稀碱显影感光成像阻焊油墨

... 本发明涉及一种稀碱显影感光成像阻焊油墨，它包括(重量％)主体树脂：改性丙烯酸酯光敏齐聚物50-70，环氧树脂10-20，反应性稀释剂：多官能丙烯酸酯5-20，光引发剂5-15，填料7.5-30，颜料0.5-1.0，硅油0或微量。它具有良好的性能，制成的印刷电路板，耐高温、光泽性好，经260℃以上高温处理，油墨涂层不变色、不碳化、不爆裂、不脱落，而且光泽度比未经高温处理前有很大的提高，提高了电路板的外观水平。 ...

Heat insulation type wire insulation shield

The invention discloses a heat insulation type wire insulation shield. The shield is of a double-layer shielding structure, the inner layer is a heat insulation layer, and the outer layer is an insulation layer; the inner layer and the outer layer are connected through a connecting block; the connecting block is a heat-resistant flame-retardant connecting block; installation chutes are formed in the two ends of the shield and connected with other shields in a matched mode; lifting holes are formed in the insulation layer and the heat insulation layer; the heat insulation layer is made of a heat insulation flame-retardant material; an anti-skidding pad is arranged on the inner side of the heat insulation layer; the connecting block is arranged on the outer side of the heat insulation layer and a sliding block is arranged at the upper end of the connecting block. The heat insulation type wire insulation shield can be used for achieving the wire insulation shielding function in the direct ...

Electronic lock

The invention discloses an electronic lock which comprises a lock body linkage device. The lock body linkage device comprises a movable square hole seat, a static square hole seat, a pin and a pin driving device; the movable square hole seat can be rotationally arranged in the static square hole seat; a stop lever is arranged outside the movable square hole seat; a section of annular groove is arranged inside the static square hole seat; the annular groove is provided with a first edge and a second edge; the stop lever is accommodated in the groove and leans against the first edge of the annular groove; the side wall of the movable square hole seat is provided with a movable square hole seat patchhole; the side wall of the static square hole seat is provided with a static square hole seat patchhole; the movable square hole seat patchhole and the static square hole seat patchhole are coaxial; the pin can be inserted into the movable square hole seat patchhole and the static square hole seat ...

Overhead transmission line prevents damper device that slides

The utility model discloses an overhead transmission line prevents damper device that slides, including two articulated tong arms, be equipped with nut card hole on one of them tong arm, be equipped with bolt card hole on another tong arm, the grip of tong arm is passed through the elastic mechanism and is connected, the elastic mechanism lies in the spring between the handle including bolt, the suit that passes the handle on the bolt. Do not change the installation method of traditional damper, increased holding of damper and puted forth effort, prevent the axial displacement of damper, solved once only that the damper slides, the problem of droing, the multiple district section of having avoided sliding, droing at the damper, the wearing and tearing of leading the ground wire have effectually been avoided to the damper phenomenon that - recovering - was slided - is resumeed of sliding.

Mass static memory extended access structure and method for data signal processor

The invention relates to the expended access structure of accessing the flash static memory of the data signal processor and the corresponding method. It is composed of the DSP1, the latch 2, the second or gate3, the reversed phase gate4 and the first or gate5. First set the enable port of the latch to 0 to make the latch operate. Then execute the write operation to the IO outer space, with the output data considered to be the expended address through the latch. Finally execute the normal read and write operation to the outer data space to complete reading from or writing to the outer large capacity memory. The invention uses the IO outer space data wire of the DSP2000 series, which improves the intrinsic data access capacity of the DSP from 64K to the several hundred million bytes. In addition, with only one control line, the access and storage to the two-dimensional address image can be implemented conveniently.

Electronic lock

The invention discloses an electronic lock which comprises a lock body linkage device. The lock body linkage device comprises a movable square hole seat, a static square hole seat, a pin and a pin driving device; the movable square hole seat can be rotationally arranged in the static square hole seat; a stop lever is arranged outside the movable square hole seat; a section of annular groove is arranged inside the static square hole seat; the annular groove is provided with a first edge and a second edge; the stop lever is accommodated in the groove and leans against the first edge of the annular groove; the side wall of the movable square hole seat is provided with a movable square hole seat patchhole; the side wall of the static square hole seat is provided with a static square hole seatpatchhole; the movable square hole seat patchhole and the static square hole seat patchhole are coaxial; the pin can be inserted into the movable square hole seat patchhole and the static square holeseat ...

Garden maintenance personnel management system and method

The embodiment of the invention discloses a garden maintenance personnel management system and method, and the system comprises a data collection module which is used for collecting the current position information, collection time, warehousing time and working range information of a target person in real time; the personnel information management module is used for collecting and storing basic information and binding information of all target personnel; the data processing module is used for generating a real-time track, working time statistical information and working content of the target personnel based on the current position of the target personnel and the working range information; and the result display module is used for receiving and displaying the real-time track, the working time statistical information and the working content in a visual form. According to the system and the method, multi-dimensional management and working state display in the working process of the garden ...

Digifax hybrid control multiple ring way LDO circuit

The utility model discloses a digifax hybrid control multiple ring way LDO circuit, include: power tube MP, pMOS pipe M1, M3, M5, nMOS pipe M2, M4, M6, M7, M8, operational amplifier AMP, not gate INV1, INV2, INV3, INV4, INV5, INV6, AND gate AND1, AND2. The utility model discloses the change that the LDO circuit created utilized three control loop to deal with load voltage provides load transient response the ability, and through emulation, LDO circuit and the contrast of current LDO circuit that the invention was created have improved 10% load transient response ability. The utility model discloses but LDO circuit structure wide application in the soC chip of creating.

Rotary table cutting type removing device for suspended objects of power transmission line

The invention discloses a rotary table cutting type removing device for suspended objects of a power transmission line. The rotary table cutting type removing device for the suspended objects of the power transmission line comprises a hook. The lower end of the hook is connected with the upper end of a fixing frame. The middle portion of the fixing frame is connected with a rotating wheel through a rotating shaft. Cutters are arranged on the rotating wheel. The lower portion of the fixing frame is connected with a fan-shaped driving wheel through a rotating shaft. The two ends of the fan-shaped driving wheel are each connected with a force bearing frame. Each force bearing frame is provided with a pull rope. The fan-shaped driving wheel is connected with the rotating wheel. According to the rotary table cutting type removing device for the suspended objects of the power transmission line, foreign matter on a grounding line is removed by operating an insulating rope through ground personnel ...

Forestry pest and disease damage intelligent monitoring management system based on AI automatic identification

The embodiment of the invention discloses a forestry disease and insect pest intelligent monitoring management system based on AI automatic identification. The system comprises a disease and insect pest directory management module, a monitoring equipment management module, a monitoring equipment execution strategy management module, a disease and insect pest monitoring alarm module, an equipment alarm module and a monitoring result display and statistics module. Wherein the monitoring equipment execution strategy management module is used for managing an execution strategy of monitoring equipment, the pest and disease damage monitoring and warning module is used for monitoring and identifying pest and disease damage and sending warning information, and the equipment warning module is used for monitoring the running state of the equipment and sending warning information. And the monitoring result display and statistics module is used for displaying the state data of the monitoring equipment ...

Park safety management and control system and method based on artificial intelligence

The embodiment of the invention discloses a park safety management and control system and method based on artificial intelligence, and the system comprises a visitor flow rate intelligent monitoring statistics display module which is used for receiving image data, collected by a camera, of a target region, and carrying out the recognition and statistics of people entering and exiting a park through the data image based on a human body recognition algorithm; the map display module is used for displaying the space distribution and state of the cameras, the thermodynamic diagram of the pedestrian flow and the alarm information by utilizing the GIS technology; the video monitoring module is used for acquiring image data of the target area in real time and realizing remote control of a camera by using a console function; and the intelligent analysis module is used for identifying the abnormal state of the personnel by using the detection result of the electronic fence and a preset human body ...

Anti-disengagement turning tackle for power transmission line

The invention discloses an anti-disengagement turning tackle for a power transmission line. The anti-disengagement turning tackle for the power transmission line comprises a hook body, wherein a wheel carrier is arranged at the lower end of the hook body, a switching wheel is arranged on the wheel carrier, a line containing cavity is formed in one side of the hook body, a connecting rod cavity is formed in the other side of the hook body, the upper end of the line containing cavity is closed, the lower end of the line containing cavity is open, an idler wheel is arranged on the upper portion of the line containing cavity, a connecting rod is arranged in the connecting rod cavity, the upper end of the connecting rod is hinged to the middle of an operating rod, the lower end of the connecting rod is hinged to one end of a closed rod, one end of the operating rod is hinged to the upper end of the hook body, a pulling rope is arranged at the other end of the operating rod, the middle of the ...

Beckon arc angle live line measurement insulator spindle

The utility model belongs to the technical field of live working equipment, especially, beckon arc angle live line measurement insulator spindle, including parallel arrangement's first insulation poleand second insulator spindle, first insulation pole upper end sets up first cardboard, and fixed connection goes up spacing clamp and lower limiting clamp hoop on the first insulation pole, and second insulator spindle upper end sets up the second cardboard, and the second cardboard lies in the below of first cardboard, second insulator spindle and last spacing clamp and lower limiting clamp hoopsliding connection, and the surface of second insulator spindle sets up the scale mark. The utility model discloses the preparation forming based on two insulator spindles, and the design of collocation clamp and cardboard not only can realize the interval between two trick arc angles of measurement of single portable, and remote electrified measuring operation avoids the electrified equipment ofdirect ...

LDO circuit based on FVF control

The utility model discloses a LDO circuit based on FVF control, a serial communication port, include: bias circuit, FVF control circuit, load circuit, the utility model discloses the circuit structurewho creates uses FVF control circuit as the core, for present LDO circuit, the utility model discloses the creation all has good performance in each parameter index such as low -power consumption, big load current, high power supply rejection ratio, transient response, satisfy the development need of following LDO circuit. But this circuit structure wide application in soC chip.

Cover is shielded in thermal -insulated type wire insulation

The utility model discloses a cover is shielded in thermal -insulated type wire insulation, shielding the cover and adopting the bilayer to shield the structure, the inlayer is insulating layer, the outer insulating layer that is, the inlayer with adopt the connecting block to connect between the skin, the connecting block is heat -resisting fire -retardant connecting block, the both ends of shielding the cover all are equipped with the installation spout, the spout covers the cover cooperation with other to be connected, the insulating layer with all set up on the insulating layer and promote the hole, the insulating layer adopts thermal -insulated flameresistant material to make, the insulating layer inboard sets up the slipmat, the connecting block sets up in the insulating layer outside, the upper end of connecting block sets up the slider. The utility model discloses the wire insulation that can be used to direct current earthing pole circuit live working in -process is shielded, has ...

Feed drying equipment for animal husbandry

The utility model discloses feed drying equipment for animal husbandry, which relates to the technical field of animal husbandry and comprises a bin body, induced draft fans are fixedly connected to the left side surface and the right side surface of the bin body, air inlet holes are formed in the left side surface and the right side surface of the bin body, a partition plate matched with the bin body is fixedly connected to the inside of the bin body, and a pushing bin is fixedly connected to the bottom surface of the partition plate. An electric heating pipe is wound on the outer surface of the pushing bin, a guide pipe is fixedly connected to the inner bottom wall of the pushing bin, two symmetrical air inlet pipes fixedly communicate with the lower portion of the outer surface of the guide pipe, the bottom end of each air inlet pipe penetrates through the pushing bin and extends to the outside of the pushing bin, and two symmetrical spraying pipes fixedly communicate with the upper ...

heat radiator for computer chip

Welding-resistant low-alkaline ink for developing and photosenstive imaging

A weld-resistant ink for weakly alkaline developing and photosensitive imaging of PCB contains modified acrylate as photosensitive oligomer (50-70 wt.%), epoxy resin (10-20), multifunctional acrylate(5-20), optical trigger (5-15), filler (7.5-30), pigment (0.5-1) and silica oil. Its advantages are high resistance to high temp (260 deg.C or more) and lustre, and not discolouring and dropping off.

Multiple ring way substrate developments biasing LDO circuit is mixed to digifax

The utility model discloses a multiple ring way substrate developments biasing LDO circuit is mixed to digifax, include: power tube MP, pMOS pipe M1, M3, M5, nMOS pipe M2, M4, M6, M7, M8, operationalamplifier AMP, not gate INV1, INV2, INV3, INV4, INV5, INV6, AND gate AND1, AND2. The utility model discloses the change that the LDO circuit created utilized three control loop to deal with load voltage provides load transient response the ability, through emulation, the utility model discloses LDO circuit and the contrast of current LDO circuit created have improved 10% load transient response ability. The utility model discloses but LDO circuit structure wide application in the soC chip of creating.

Heat exchanger

The invention provides a heat exchanger which comprises an inner container and an outer shell. The lower end of the inner container and the lower end of the outer shell are arranged on the same bottom plate. Holes for the inner container and the outer shell are formed in the bottom plate, the inner container and the outer shell respectively has a larger lower part and a smaller upper part, openings are formed in the upper end of the inner container and the upper end of the outer shell, and the upper end of the inner container is lower than the upper end of the outer shell in height. The heat exchanger is simple in structure, convenient to use, reliable in safety and environmentally friendly and saves energy.