汽化器（球型）

CHARGING METHOD AND CHARGER

A charging method and a charger. The method is suitable for charging a battery (30) using different types of power adapters (10), comprising: acquiring the working state of a present power adapter connected to the charger (20) by means of a physical interface; if the working state of the present power adapter is an over-current protection state, continuing to supply power to a charging control unit (204) of the charger by means of a backup power supply built in the charger (203); and reducing, by means of the charging control unit, the present current outputted by the charger to the battery until the working state of the present power adapter returns to a normal state. The charging method can supply, when the present power adapter is in an over-current protection state, power to the charging control unit of the charger by means of the backup power supply built in the charger, so as to reduce the present current outputted by the charger to the battery, thereby enabling various types of power ...

Training method and system for robust intelligent synthetic speech speaker confirmation model

The invention provides a training method and system for a robust intelligent synthetic speech speaker confirmation model, a storage medium and electronic equipment, and relates to the technical field of speech processing. The robust intelligent synthetic speech speaker confirmation model provided by the invention is used for improving the speaker confirmation accuracy of intelligent synthetic speech under a strong background noise condition, and comprises a speech enhancement network, a feature extraction network and a feature enhancement module. In the training stage of the model, a training set of the noisy intelligent synthetic voice data set is subjected to STFT feature preprocessing and Fbank feature preprocessing and then is transmitted to a voice enhancement network and a feature extraction network, the two networks are linked through a feature enhancement module for joint training, and speaker embedded features with anti-noise robustness are obtained. In the test stage, performing ...

Intelligent abrasion detection device and detection method for rail transit rigid contact line

The invention discloses an intelligent abrasion detection device for a rail transit rigid contact line, which comprises an abrasion detection unit and a dust removal unit capable of walking along a pi-shaped busbar, the abrasion detection unit and the dust removal unit can be respectively detached and hung right below the pi-shaped busbar provided with the rigid contact line, and the dust removal unit is arranged in front of the pi-shaped busbar along the walking direction. The abrasion detection unit is arranged behind the dust removal unit, each of the abrasion detection unit and the dust removal unit comprises a traction mechanism and a suspension walking mechanism, the suspension walking mechanisms are of symmetrical structures, are arranged on the two sides of the pi-shaped busbar respectively and can walk along the pi-shaped busbar under driving of the traction mechanisms, and the abrasion detection unit further comprises an abrasion detection module. The wear detection module is ...

Motor cover rotor inserted rotor machine device

... 本实用新型公开了一种电机插转子机用套转子装置，包括主滑枕、副滑枕及设置于主滑枕和副滑枕之间以使两者可拆卸连接的连接构件；主滑枕包括用于支承待安装的转子的第一大段，第一大段包括用于与电机定子内径配合以安装电机转子的第一小段，及连接第一小段的第二小段，第二小段的横截面面积大于第一小段的横截面面积，从而形成变截面结构以增强支撑电机转子的抗扭能力。本实用新型的电机插转子机用套转子装置，由于第二小段的横截面面积大于第一小段的横截面面积，从而形成变截面结构以增强支撑电机转子的抗扭能力，故而本实用新型的套转子装置在满足转子插入定子时不发生干涉的情形下可提高其抵抗变形的能力，从而适用多种规格中心高的电机。 ...

MULTIFUNCTIONAL BICYCLE

A multifunctional bicycle, comprising a head pipe (1), a front fork (2), a front wheel (3), a back wheel (4), a vertical pipe (5) and a beam (7); the diameter of the back wheel (4) is greater than the diameter of the front wheel (3); the axle (8) of the front wheel (3) is located behind the head pipe (1), and is connected to the front fork (2) via a guide rod (9); and a damping spring (10) is disposed between the axle (8) and the front fork (2). The above structure avoids hard contact between the front fork and the axle of the front wheel on the one hand, and improves the damping effect for the front wheel on the other hand, thus being more stable and saving labor in traveling with the bicycle. In addition, a steering bar (108) is disposed on the head pipe (1), and a baffle (103) is disposed on the front fork (2) to coordinate with the steering bar (108), thus avoiding danger to a cyclist caused by sudden turning of the handlebar in an emergency.

Novel combination pneumatic cylinder

... 本实用新型涉及一种能够应用于液压抽油机的新型组合液压缸，由于抽油机在工作时需要进行平衡，而传统的平衡重大大增加了抽油机的重量，对现场作业的影响较大，本实用新型的组合液压缸包括上腔、下腔和中心腔三个腔室，其中中心腔可以与蓄能器连接，来吸收抽油机工作时的振动和冲击，作为平衡重来使用，大大降低了抽油机的重量，对抽油机向小型化方向发展奠定了基础，本实用新型的有益效果是：结构安全可靠，安装维护费用低，可以应用于油田等恶劣环境下，对液压抽油机的发展有一定的促进作用。 ...

Crude oil water content detector

The utility model provides a crude oil water content detector, and relates to the technical field of water content detectors, the crude oil water content detector comprises a detector body, a sampling drain pipe communicated with the detector body is welded on the right side of the detector body, a sleeve communicated with the sampling drain pipe is embedded in the right end of the sampling drain pipe, the sleeve is L-shaped, and the top of the sleeve is provided with a through hole; a driving wheel and a driven wheel which are vertically distributed are arranged in the sleeve, the top of the driving wheel penetrates out of the through opening, a notch is formed in the center of the left side of the driven wheel, a circular ring is fixed in the left end of the sleeve and located on the left side of the driven wheel, a transverse rod is fixed in the notch, and the left end of the transverse rod penetrates through the circular ring and extends into the sampling liquid discharging pipe. The ...

AGV intelligent transfer system and method for metal metallurgy, electronic equipment and storage medium

The invention discloses an AGV intelligent transfer system and method for metal metallurgy, electronic equipment and a storage medium, and relates to the technical field of intelligent control. The server auctions the to-be-distributed task and issues the to-be-distributed task to each AGV terminal; the target AGV end calculates a first transportation cost predicted for completing the local task according to the layout map and the local task list, calculates a second transportation cost predicted for completing the local task and the to-be-allocated task according to the layout map, the local task list and the to-be-allocated task, and calculates an auction value according to the first transportation cost and the second transportation cost; and the server allocates the to-be-allocated task according to the auction rule and the auction value. The target AGV terminal calculates the auction value by combining the first transportation cost of the target AGV terminal and considering the second ...

Metal powder weighing and batching system

The invention discloses a metal powder weighing and batching system, which comprises an acquisition module for acquiring the far particle size of copper powder and the particle size of a carbon powder raw material; the analysis module is used for acquiring the average particle size of the copper powder, the molar mass of the copper powder, and the transfer speed of the copper powder; calculating to obtain the volatilization coefficient of the copper powder; obtaining the average particle size of the carbon powder, the molar mass of the carbon powder and the material transfer speed of the carbon powder; calculating to obtain the volatilization coefficient of the carbon powder; the weighing module is used for acquiring the volatilization coefficient of the copper powder and the volatilization coefficient of the carbon powder and respectively acquiring the weight required when the copper powder and the carbon powder are matched; according to the method, the loss of the powder raw materials ...

Voiceprint authentication method and system based on StarGAN-VC

The invention provides a voiceprint authentication method and system based on StarGAN-VC, and relates to the field of voiceprint authentication. The method comprises the following steps: carrying out iterative training on generator networks in a StarGAN-VC network architecture by taking original registered audio as a training sample, and respectively obtaining a first generator network and a second generator network based on different iterative training times; the original registration voice signal is converted into the first registration audio signal through the second generator network, so that the first registration audio signal and the original registration voice signal have a certain difference, and the security of voiceprint privacy of the original registration voice signal is guaranteed. Due to the fact that in the StarGAN-VC network architecture, the specific conversion means in the conversion process cannot be known when the generator converts the voice signals, the conversion ...

Big pot and stove filter equipment of living beings

... 本实用新型属于生物质燃烧装置技术领域，具体的说是涉及一种生物质大锅灶过滤装置，主要是为了提供一种新型的过滤效率更高的生物质大锅灶过滤装置，提高燃烧的燃烧效率和再利用率，提供了一种生物质大锅灶过滤装置，包括矩形的网格本体，该网格本体由粗筛层和精筛层组成，在粗筛层中设置有内凹型的滤料口，在滤料口的前端设置有筛料板，在精筛层中设置有梅花型的过滤板，本结构简单方便，极大的提高了生物质大锅灶的燃烧效率，生物质燃料更加充分的燃烧和利用，极大的保护了人民群众的生产和生活安全，提高了生物质能的有效回收利用率。 ...

COMMUNICATION CONTROL METHOD, COMMUNICATION MASTER DEVICE AND COMMUNICATION SYSTEM

Disclosed in the present invention is a communication control method, used for controlling a communication master device (100) to communicate with a battery assembly (200). The battery assembly (200) is in communication connection with at least two communication master devices (100) by means of a first communication line (300). The level of the first communication line (300) changes when the battery assembly (200) communicates with any communication master device (100). The communication method comprises: starting a control request process; detecting whether the level of the first communication line (300) is maintained at a predetermined level for a predetermined period of time; interrupting the control request process when the level of the first communication line (300) is not the predetermined level during the predetermined period of time; and controlling the communication master devices (100) to communicate with the battery assembly (200) when the level of the first communication line ...

Remote 5G wireless control device and method for coal mining machine

The invention discloses a remote 5G wireless control device and method for a coal mining machine, and relates to the technical field of coal mining machine control, the remote 5G wireless control device comprises an upper computer system and a receiving system, and the upper computer system is connected with the receiving system; the upper computer system is installed on a fully mechanized coal mining face central control room computer and used for issuing a wireless control instruction signal and transmitting the wireless control instruction signal to the receiving system through a 5G network. And the receiving system is mounted on a fully mechanized coal mining face coal mining machine body and is used for receiving the wireless control command signal transmitted by the upper computer system and controlling the coal mining machine to act based on the wireless control command signal. The problems that the working environment of workers is severe and the safety risk of nearby operation ...

Nursery stock soil ball packing device

The invention discloses a nursery stock soil ball packing device which comprises a base, and supports are arranged on the two sides of the base respectively. A fixed bracket is fixed to the top of the support on one side, a movable bracket parallel to the fixed bracket is arranged on the top of the support on the other side, and the top of the fixed bracket and the top of the movable bracket are each provided with a horizontally-rotating conveying mechanism. A moving seat is horizontally and slidably arranged in the middle of the top end of the base, a rotating drive with a vertically-arranged output shaft is fixed to the top of the moving seat, and a bearing groove is fixed to the output shaft of the rotating drive. The device has the advantages that nursery stocks are moved through cooperation of the two conveying mechanisms, the rotating drive and the bearing disc fixedly provided with the fixing shaft are arranged below the conveying mechanisms to drive the winding roller to rotate, ...

Preparation method of cyclopropane compound

The invention discloses a preparation method of a cyclopropane compound, and the specific implementation mode is as follows: a sulfuryl fluoride ester compound as shown in a formula (I) and cyclopropaneboronic acid are taken as raw materials, palladium acetate, a ligand, alkali and a solvent are added, nitrogen flow is used for replacement for three times, reaction liquid is subjected to post-treatment, and the cyclopropane compound as shown in a formula (II) is prepared. H on the benzene ring is substituted by a substituent R, and the substituent R is aryl, alkoxy, cyano, alkylsulfonyl, alkoxycarbonyl, nitro or aldehyde. The preparation method provided by the invention has better yield and functional group tolerance, and can be applied to gram-scale and later modification of small-molecule natural products.

Intelligent evaluation method and device for health state of coal mining machine and related components

The invention discloses an intelligent evaluation method and device for the health state of a coal mining machine and related components. The method comprises the following steps: acquiring monitoring data of each target position of the coal mining machine in a plurality of adjacent time periods; performing dynamic clustering analysis on all the corresponding monitoring data in each time period by using a K-means algorithm, and removing similar monitoring data based on a clustering result obtained by the dynamic clustering analysis; classifying the monitoring data from which the similar monitoring data is removed by using a pre-trained bidirectional long-short-term memory network model, and outputting a classification result; and based on a preset coal mining machine health state evaluation rule, performing fuzzy comprehensive evaluation by using all the classification results, and calculating a coal mining machine health score in the current time period. According to the method, the rationality ...

Big pot and stove of living beings granule

... 本实用新型属于生物质燃烧技术领域，具体的说是涉及一种生物质颗粒大锅灶，主要是为了提供一种新型的生物质颗粒燃烧大锅灶，提高燃烧机的整体燃烧效率，降低工人的劳动强度，提高企业的整体自动化程度，提高企业的经济效益，提供了一种生物质颗粒大锅灶，包括框架本体，在框架本体的上端设置有炉台面，在炉台面上设置有锅体，在锅体的下部设置有炉心，在炉心的下部连接有二次加氧系统，在二次加氧系统的外部设置有耐火材料，在二次加氧系统的下部还连接有二次配风口，本实用新型简单适用，在使用的过程中自动送料，移动方便，火势均匀灰烬少，热效率高。 ...

Big pot and stove automatic feed device of living beings

... 本实用新型属于生物质燃烧装置技术领域，具体的说是涉及一种生物质大锅灶自动进料装置，主要是为了提供一种新型的自动进料装置，有效的降低工人的劳动强度，提高生物质炉的燃烧效率，提供了一种生物质大锅灶自动进料装置，包括旋转电机，在旋转电机的前端连接有输送绞龙，在输送绞龙的前端设置有过渡仓，在过渡仓的前端设置有过滤网格，在过渡仓的底部设置有提升送料台，在过渡仓的顶部位置处设置有水平送料台，在水平送料台的送料方向上设置有二次破碎机，二次破碎机直接与输送绞龙相连,本实用新型结构简单适用，自动化程度高，有效了提高了用户在使用过程中的自动化程度，降低了使用者的劳动强度。 ...

Preparation method of didodecylsulfanyl dibutyltin

The preparation method comprises the following steps: adding n-dodecanethiol and liquid dibutyltin dichloride into a reaction kettle in proportion, starting to stir, and heating to 35-45 DEG C; then dropwise adding alkali liquor, controlling the reaction temperature to be 50-100 DEG C, stopping dropwise adding the alkali liquor when the pH value of the reaction feed liquid reaches 6.0-9.0, and continuously maintaining the reaction for 2-4 hours; and standing for phase splitting, directly carrying out reduced pressure distillation on the upper organic phase to remove water, and filtering to obtain the didodecylsulfanyl dibutyltin. The one-step method is adopted for direct synthesis, no solvent is added for extracting the product, no water washing desalination is carried out on the product, the method has the advantages of being safe in process, simple in equipment, small in wastewater generation amount, high in direct yield of the product, stable in product quality and the like, and the ...

Continuous production process of N-(2-propoxyethyl)-2, 6-diethylaniline

The invention relates to a continuous production process of N-(2-propoxyethyl)-2, 6-diethylaniline, which comprises the following steps: 1) filling a reactor with a catalyst, and fixing the position of the catalyst; introducing carrier gas into the reactor to enable the pressure in the reactor to reach a pressure value A, and raising the temperature of a catalyst bed layer to 100-300 DEG C; 2) mixing ethylene glycol mono-n-propyl ether and 2, 6-diethylaniline in a raw material bottle, then continuously feeding the mixture into a vaporizing chamber for vaporization by using a high-pressure liquid pump, continuously introducing the generated raw material gas into a reactor connected with the vaporizing chamber independently or together with a carrier gas introduced into the vaporizing chamber, and carrying out a reaction through a catalyst bed layer, so that the reaction is continuously carried out; 3) condensing and liquefying gaseous substances continuously flowing out of the reactor through ...

Motor island formula is work piece operation device and motor island formula assembly line for assembly line

... 本实用新型公开了一种电机岛式装配线用工件运转装置及电机岛式装配线，该工件运转装置包括：用于在加工工位间传递工件以装配电机的装配岛及用于给装配岛传递工件的周转车；装配岛上设有第一辊道系统及驱动第一辊道系统运转以传递工件的第一驱动系统；周转车上设有第二辊道系统及驱动第二辊道系统运转以传递工件的第二驱动系统，周转车还设有驱动其自身移动以进行周转的第三驱动系统；其中，第一驱动系统与第二驱动系统隔离且单独驱动。通过在装配岛及周转车上分别设置独立的驱动各自辊道系统运转的驱动系统，避免了传统的周转车与装配岛对接需人工操作导致的操作繁琐、自动化程度低及可靠性差的缺陷，实现了工件运输的自动化控制。 ...

Efficient weeding composition containing pyroxasulfone as well as preparation method and application thereof

The invention relates to the field of pesticide compositions, in particular to a pyroxasulfone-containing efficient weeding composition as well as a preparation method and application thereof. The composition at least comprises the following components in percentage by mass: 10-90% of a mixture of pyroxasulfone and a synergistic active agent, the synergistic active agent is at least one of metribuzin, 2, 4-D acid, 2, 4-D isooctyl ester, flumetsulam and isoxaflutole. The weeding composition prepared by the invention has an excellent soybean and corn composite planting pre-weeding effect, also has excellent storage and dispersion stability, and can not be denatured and inactivated in a long-term use process, thereby having very high use value and economic value.

Robust audio watermark embedding and extracting method capable of resisting large-scale shearing

The invention provides a robust audio watermark embedding method and system resistant to large-scale cutting and an extraction method and system, and relates to the technical field of digital watermarking. Compared with a traditional watermark system, the method has the advantages that graph transformation, wavelet transformation and singular value decomposition are combined, and a new DWT-GBT-SVD watermark embedding algorithm is designed; a traditional synchronous code is replaced, and the initial position of watermark embedding is searched by comparing similarity through a sliding window; a rollback mechanism can effectively prevent watermark extraction failure caused by large-scale cutting of the audio, and the robustness of the watermark is indirectly improved; and the extracted watermark is recovered by using the m sequence, so that the integrity recovery of the watermark after being subjected to large-scale cutting attacks is realized.

Intelligent synthetic voice speaker confirmation method based on Group-Res2Block network

The invention discloses an intelligent synthetic voice speaker confirmation method based on a Group-Res2Block network. The method comprises the following steps: 1, acquiring an intelligent synthetic voice data set; 2, a feature extraction network model based on Group-Res2Block is established; 3, training the established feature extraction network model based on the Group-Res2Block; and 4, realizing prediction by using the established model so as to achieve the purpose of confirming the speaker main body of the intelligent synthetic speech. According to the invention, the public effective voiceprint features of the natural human voice and the intelligent synthetic voice can be acquired to the maximum extent, so that the intelligent synthetic voice speaker can be effectively confirmed, and the confirmation accuracy can be improved.

Adaptive frequency measurement device and test method based on FPGA (Field Programmable Gate Array)

The invention aims to provide the adaptive frequency measuring device based on the FPGA and the testing method, which are higher in adaptability, can be compatible with various measuring ranges, can improve the measuring precision and can control the measuring time. The system comprises a high-speed voltage comparator, an FPGA frequency measurement module and an arithmetic unit which are electrically connected in sequence, the high-speed voltage comparator accesses a measured signal and converts the measured signal into a digital pulse, the FPGA frequency measurement module carries out measurement and counting, and the arithmetic unit is connected with the FPGA frequency measurement module. And the arithmetic unit obtains a counting result of the measured signal and a counting result of a reference clock, and calculates the frequency of the measured signal. The method is applied to the technical field of digital frequency measurement.

一种有机肥料及生产方法

The present invention relates to an organic fertilizer and its production method. Said fertilizer is the product by making the mixture of turf, excrements of farm animal, soybean cake powder, rick husk, corn flour, bone powder, blood powder, ground phosphate rock and potash feldspar through the process of fermentation, in whith the turf and farm animal excrements are undergone the processes of baking and sterilizing treatment and other components are undergone the processes of water boiling and sterilizing treatent, and the above-mentioned dried materials and wet materials are mixed and fermented so as to obtain the invented product.

Novel long stroke hydraulic pumping unit

... 本实用新型涉及种新型长冲程液压抽油机，包括主机架、蓄能器、补油机架、底座、动带轮、悬绳器、皮带、组合液压缸、定带轮和液压控制系统，底座上安装有主机架和补油机架，主机架和补油机架焊接在起，主机架内部安装有组合液压缸，补油机架内部安装有蓄能器，液压缸活塞杆与动带轮连接，皮带绕过定带轮和动带轮，端固定于主机架顶部，端与悬绳器连接，本实用新型的有益效果是：结构简单紧凑，将蓄能器安装在背井口侧，可抵消悬点载荷对抽油机的倾覆力矩，安全性能高，采用皮带和带轮组的传动形式，在降低抽油机高度的同时，可实现长冲程的要求，有定的市场竞争力。 ...

One-pot preparation method of biaryl heterocyclic compound

The invention belongs to the technical field of organic compounds, and particularly relates to a one-pot preparation method of a biaryl heterocyclic compound. The method comprises the following steps: by taking an aryl fluorosulfonate compound and benzoxazole as raw materials and 4-dimethylaminopyridine as an additive, adding palladium acetate, cuprous chloride, a ligand, alkali and a solvent, and reacting at 120 DEG C for 12-16 hours to prepare the biaryl heterocyclic compound. The reaction is mild and rapid, the operation is simple, no purification process is needed in the reaction process, and a convenient novel method is provided for synthesizing the biaryl heterocyclic compound. The substrate is wide in applicability and high in tolerance to sensitive groups, and the corresponding biaryl heterocyclic compound can be obtained with excellent yield.