CN115175499B

CN115175499B - Low-clamping protection device based on P-type monocrystalline silicon piece

Info

Publication number: CN115175499B
Application number: CN202210969952.9A
Authority: CN
Inventors: 王黎明
Original assignee: Jiangsu Shengchi Microelectronics Co ltd
Current assignee: Jiangsu Shengchi Microelectronics Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2024-02-09
Anticipated expiration: 2042-08-12
Also published as: CN115175499A

Abstract

The utility model discloses a low-clamping protection device based on a P-type monocrystalline silicon piece, which comprises a base, wherein the base is of a hollow structure, a storage frame is arranged at the top of the base, one corner of the storage frame is in an inward concave arc shape, and evenly arranged jacks are arranged at the top of the storage frame; the inner part of the jack is embedded with an inserting block, the top of the inserting block is provided with a pressing plate, the inner surface of the storage frame is embedded with a circuit board, and the bottom of the circuit board is attached to the top of the base; the clamp plate is "returns the font", the bottom of clamp plate is laminated with the top of circuit board. According to the utility model, the base, the storage frame, the jack, the circuit board, the plug block and the pressing plate are arranged, and the pressing plate is covered above the circuit board through the embedding of the plug block and the jack, so that the pressing plate can limit the circuit board inside the storage frame, and when the circuit board is used subsequently, only the electric element is connected with the low clamping circuit, and then the connected circuit can be protected.

Description

Low-clamping protection device based on P-type monocrystalline silicon piece

Technical Field

The utility model relates to the technical field of low-clamping protectors, in particular to a low-clamping protector based on a P-type monocrystalline silicon wafer.

Background

The negative resistance effect through the P type piece can be used for reducing the clamp voltage, and current electrical component usually can connect the clamp protection device when using to improve electrical component's anti surge ability, however current low clamp protector is inconvenient when using to assemble the circuit board that has low clamp circuit, and the practicality is relatively poor.

The defects of the existing low-clamp protection device are as follows:

1. patent document CN212908949U discloses a 110kv line lightning stroke clamping protector, which comprises a lightning stroke protector main body, wherein the lightning stroke protector main body comprises a mounting base, a fixed base column is fixedly arranged at the top end of the mounting base, an arc striking needle is fixedly connected to one side of the fixed base column, a connecting column is fixedly arranged at the top end of the fixed base column, a clamping protector body is fixedly arranged at the top end of the connecting column, a lower terminal electrode is arranged at the bottom end of the clamping protector body, and a protection mechanism is arranged in the lightning stroke protector, so that the problem that other accidents are caused when the existing lightning arrester is found in use, ice or external pollutants fall on a discharge equalizing ring along a discharge needle point part freely, the reliability of the lightning arrester is influenced, further, the strength of the clamping protector body is increased by arranging a reinforcing rib, and the service life of the clamping protector body is further prolonged;

2. patent document CN216215798U discloses a high voltage line lightning stroke clamp protector in lightning stroke clamp protector field, including clamp protector body, protection casing, buffer protection mechanism and fastening stop gear, the bottom end face port of protection casing transversely fixed mounting has the organic board. According to the utility model, the bottom end threads of the clamp protector body are screwed in the thread grooves of the machine plate, then the top end of the clamp protector body is connected with the protective cover by using bolts, so that the clamp protector body is installed, four limit angle steel is installed on the bottom plate, the protective cover and the clamp protector body are slidably installed on the inner sides of the four limit angle steel, fastening screws are installed in limit cylinders at four corners of the bottom plate, the bottom plate is installed and fixed by turning the four fastening screws, the buffer protection mechanism is installed between the bottom plate and the machine plate by using bolts, and the buffer cylinders and the buffer columns are respectively connected with the bottom plate and the machine plate, so that the integral installation is realized;

3. patent document CN210518113U discloses a double-tube flyback switching power supply with clamp protection, comprising: the switching device comprises a first switching tube, a second switching tube, a switching tube protection circuit, a clamping protection circuit, a resistor, a voltage stabilizing diode, a control circuit, a high-frequency transformer, an absorption circuit and an output rectifying and filtering circuit; the clamping protection device in the above publication mainly considers that the voltage is limited in a safe working voltage range by a clamping protector, and does not consider that the existing clamping protection device usually needs to be turned over for maintenance tools when maintenance, thereby facilitating the replacement and other operations of parts, and the parts are inconvenient to store when maintenance, and the parts are easy to be lost;

4. patent document CN210898523U provides an on-board anti-surge active clamp protection circuit, which comprises a fuse, an electromagnetic interference filter circuit, an intermediate protection circuit and a DC/DC converter, wherein the intermediate protection circuit specifically comprises a peak suppression circuit, an input overvoltage/undervoltage anti-reverse connection output clamping and output overcurrent protection circuit and an energy storage circuit; the input overvoltage and undervoltage anti-reverse connection output clamping and output overcurrent protection circuit comprises a chip and two field effect transistors, wherein the first field effect transistor (V1) is responsible for providing voltage surge protection and keeping providing stable voltage for output, and the second field effect transistor (V2) is used as an ideal diode for providing reverse input protection and output keeping. The circuit adopts a simple integrated circuit and an effect transistor solution to replace a previous complex protection circuit, has the advantages of simple structure, good reliability, low circuit loss, comprehensive protection function, small volume, low cost and the like, but the clamp protection device in the above publication mainly considers how the clamp protection circuit can comprehensively protect the circuit, does not consider that the existing clamp protection device cannot well dissipate heat through a heat dissipation device provided by an electric element when in use, and has poor heat dissipation effect.

Disclosure of Invention

The utility model aims to provide a low-clamping protection device based on a P-type monocrystalline silicon wafer, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-clamping protection device based on the P-type monocrystalline silicon piece comprises a base, wherein the base is of a hollow structure, a storage frame is arranged at the top of the base, a corner of the storage frame is in an inward concave arc shape, and jacks which are uniformly arranged are arranged at the top of the storage frame;

the inner part of the jack is embedded with an inserting block, the top of the inserting block is provided with a pressing plate, the inner surface of the storage frame is embedded with a circuit board, and the bottom of the circuit board is attached to the top of the base;

the clamp plate is "returns the font", the bottom of clamp plate is laminated with the top of circuit board.

Preferably, the top of clamp plate is installed and is put thing cover that arranges from beginning to end, and the lantern ring has all been placed at the top of two sets of thing covers, and the stopper is all gomphosis installed to the inside of two sets of thing covers, and the stopper is "T" font structure, and the surface mounting that two sets of collars are close to each other has the spliced pole, and the surface slidable mounting of spliced pole has the sliding sleeve, and the surface mounting of sliding sleeve has plectrum and storage tank, and storage tank and plectrum symmetrical arrangement on the sliding sleeve, and the miniature air-blower is installed to one side inner wall of storage tank is embedded.

Preferably, the storing section of thick bamboo is installed at the top of clamp plate, and the storing section of thick bamboo is located one side of rear storage cover, and top cover one has been placed in the gomphosis of storing section of thick bamboo, and the top center department of top cover one installs the connecting block, and the top of top cover one runs through and is provided with the notch, and the inside of storing section of thick bamboo is slided and is placed the thing board, and the bottom of putting the thing board is installed the soft brush, and the connecting rod is installed at the top of putting the thing board.

Preferably, the connecting pipe is installed at the top of base, and the outer surface screw thread of connecting pipe installs the block, and the dog is installed at the top of block, and the dog is located same horizontal plane with the clamp plate, and the inside of base is filled with phase change material, and the block is located one side of storing frame.

Preferably, a clamping diode, a piezoresistor and the like are arranged on the top of the circuit board, so that the circuit board can form a clamping circuit;

the poking plate is of a U-shaped structure, the lantern ring is embedded with the limiting block, the lantern ring is fixed at the top of the object placing sleeve through the embedding of the limiting block and the object placing sleeve, the sliding sleeve can move on the connecting column along the vertical direction, and the diameter of the connecting column is larger than the outer diameter of the lantern ring;

the notch is "U" font structure, and the notch is located one side of connecting block, and the connecting rod is located the inboard of notch.

Preferably, the top of base is installed and is put the thing frame, and put the place ahead that the thing frame is located the block, and the top four corners department of putting the thing frame all is provided with puts the thing hole, and the inside gomphosis of putting the thing hole is installed the inserted bar, and top cap two is installed at the top of inserted bar.

Preferably, the bottom wall of the storage frame is provided with a supporting rod, the top of the supporting rod is provided with a bracket, the bracket is of a concave structure, and the bracket is positioned below the second top cover.

Preferably, the pin has been placed at the top of support, and the pin is flat rectangular form, and the plug bush is installed to the one end of pin, and plug bush and dog looks adaptation, and the plug bush surface is laminated mutually with the diapire of putting the thing frame.

Preferably, the working steps of the low clamp protection device are as follows:

s1, before the low-clamping protection device is used, firstly injecting melted phase-change material into the base through a connecting pipe, then inserting a plug bush into the stop block, pushing a stop lever, and driving a cap to rotate, so that the cap can be screwed on the outer surface of the connecting pipe;

s2, placing the circuit board provided with the low clamping circuit on the inner surface of the storage frame, placing the pressing plate on the top of the circuit board, pressing the pressing plate downwards until the inserting block can be inserted into the jack, and covering the pressing plate on the top of the circuit board through the embedding of the inserting block and the jack, so that a certain limiting effect is achieved;

s3, enabling the sliding sleeve to penetrate through the collar to be sleeved on the surface of the connecting column, placing the collar on the top of the storage sleeve, inserting the limiting block into the storage sleeve, and limiting the collar through the embedding of the limiting block and the storage sleeve;

s4, in the subsequent use process, fixing the base at a required position, connecting a low clamping circuit on the circuit board with the electric element according to the requirement, and protecting the circuit through the clamping diode and the piezoresistor, so that the anti-surge capability of the electric element in use is improved;

preferably, in the step S1, the method further includes the following steps:

s11, placing the stop lever on the bracket, connecting the second top cover with the storage frame through the embedding of the storage hole and the inserting rod, and then placing the inserting sleeve in the storage frame, so that the storage effect can be achieved, the probability of losing parts is reduced, and certain convenience can be provided for subsequent overhaul operation;

in the step S4, the method further includes the following steps:

s41, when the circuit board is overhauled, the connecting block is pulled upwards, so that the top cover is not embedded with the storage barrel any more, then the connecting rod is pulled upwards, and then the storage board can be taken out of the storage barrel, thereby facilitating cleaning of dust on the surface of the circuit board through a soft brush at the bottom of the storage board;

s42, in the process, the micro-blower in the storage box can be started, and the shifting plate is lifted up and down, so that the storage box can shake up and down on the surface of the connecting column under the action of the sliding sleeve, dust on the circuit board can be blown away by the micro-blower conveniently, and the influence of the dust on the low clamping circuit on the circuit board can be reduced to a certain extent.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the base, the storage frame, the jack, the circuit board, the plug block and the pressing plate are arranged, before the clamp protection device is used, each component of the circuit board is firstly formed into a low clamp circuit, the circuit board is placed in the storage frame, then the pressing plate is covered above the circuit board through the embedding of the plug block and the jack, so that the pressing plate can limit the circuit board in the storage frame, and when the circuit board is used later, only the base is required to be fixed, the electric element is connected with the low clamp circuit on the circuit board, and then the connected circuit can be protected, so that the surge resistance of the electric element in use can be improved.

2. According to the utility model, the object placing sleeve, the lantern ring, the connecting column, the sliding sleeve, the shifting plate, the micro-blower and the limiting block are arranged, the lantern ring is fixed at the top of the object placing sleeve through the embedding of the limiting block and the object placing sleeve, and the micro-blower in the storage box can be started when the circuit board is overhauled later, so that dust on the surface of the circuit board can be blown away conveniently through the micro-blower, in the process, the shifting plate can be lifted up and down, so that the storage box can be driven to shake up and down under the action of the sliding sleeve, the wind direction of the micro-blower is changed, and the flexibility of ash cleaning is improved.

3. According to the utility model, the storage barrel, the connecting rod, the storage plate, the soft brush, the first top cover and the connecting block are arranged, when the low clamping protection device is overhauled, the connecting block is pulled upwards, so that the first top cover is driven to be not embedded with the storage barrel any more, then the connecting rod can be taken out from the storage barrel, dust on the circuit board is cleaned through the soft brush at the bottom of the storage plate, and the influence of the dust on the low clamping circuit can be reduced to a certain extent.

4. When the low-clamping protection device is assembled, the melted phase-change material is injected into the base through the connecting pipe, the cover cap is screwed on the surface of the connecting pipe, and in the subsequent use process, heat generated by the use of an electric element can be reduced through the heat absorption characteristic of the melted phase-change material.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an assembled structure of an insert block and a platen of the present utility model;

FIG. 3 is a schematic plan assembly view of the base of the present utility model;

FIG. 4 is a schematic view of an assembled structure of the cap and stopper of the present utility model;

FIG. 5 is a schematic diagram of an assembled structure of a storage frame according to the present utility model;

FIG. 6 is a schematic diagram of an assembled structure of a storage barrel according to the present utility model;

fig. 7 is a schematic view illustrating an assembled structure of the storage case according to the present utility model;

fig. 8 is a flow chart of the operation of the present utility model.

In the figure: 1. a base; 2. a storage frame; 3. a jack; 4. a circuit board; 5. inserting blocks; 6. a pressing plate; 7. a storage sleeve; 8. a collar; 9. a connecting column; 10. a sliding sleeve; 11. a poking plate; 12. a storage box; 13. a micro blower; 14. a limiting block; 15. a storage barrel; 16. a connecting rod; 17. a storage plate; 18. a soft brush; 19. a first top cover; 20. a notch; 21. a connecting block; 22. a storage frame; 23. a storage hole; 24. a rod; 25. a second top cover; 26. a support rod; 27. a bracket; 28. a plug bush; 29. a stop lever; 30. a connecting pipe; 31. capping; 32. and a stop block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 2 and 8, an embodiment of the present utility model is provided: the utility model provides a low clamp protection device based on P type monocrystalline silicon piece, including base 1 and clamp plate 6, base 1 is hollow structure, storing frame 2 is installed at the top of base 1, and a corner of storing frame 2 is the arc of inwards sunken, the top of storing frame 2 is provided with evenly arranged jack 3, the inside gomphosis of jack 3 is installed cartridge 5, clamp plate 6 is installed at the top of cartridge 5, circuit board 4 has been placed to the inner surface gomphosis of storing frame 2, and the bottom of circuit board 4 is laminated mutually with the top of base 1, clamp plate 6 is "back font", the bottom of clamp plate 6 is laminated mutually with the top of circuit board 4, clamp diode and piezo-resistor etc. are installed at the top of circuit board 4 for it can constitute clamp circuit on circuit board 4.

Further, before the low clamping protection device is used, a thermistor, a clamping diode and the like are welded on the circuit board 4, the low clamping circuit is combined and connected, then a required electric element is connected with the low clamping circuit, the circuit board 4 can be placed in the storage frame 2, the circuit board 4 is limited in a space formed by the storage frame 2 and the pressing plate 6 through the insertion block 5 and the insertion hole 3, and convenience can be provided for subsequent overhaul operation to a certain extent.

Referring to fig. 7, an embodiment of the present utility model is provided: the utility model provides a low clamp protection device based on P type monocrystalline silicon piece, including putting thing cover 7 and stopper 14, the thing cover 7 of putting of arranging around installing at the top of clamp plate 6, the lantern ring 8 has all been placed at the top of two sets of thing covers 7, the stopper 14 is all gomphosis installed to the inside of two sets of thing covers 7, and stopper 14 is "T" font structure, the surface mounting that two sets of lantern rings 8 are close to each other has spliced pole 9, the surface slidable mounting of spliced pole 9 has sliding sleeve 10, the surface mounting of sliding sleeve 10 dials board 11 and storage tank 12, and storage tank 12 and dialling board 11 symmetrical arrangement on sliding sleeve 10, miniature air-blower 13 is installed to the embedded side inner wall of storage tank 12, dialling board 11 is "U" font structure, lantern ring 8 and stopper 14 gomphosis mutually, fix lantern ring 8 at the top of putting thing cover 7 through the gomphosis of stopper 14, sliding sleeve 10 can be along vertical direction removal on spliced pole 9, the diameter of spliced pole 9 is greater than the outside diameter of lantern ring 8.

Further, before using, pass lantern ring 8 cover at the surface of spliced pole 9 with sliding sleeve 10, then place lantern ring 8 at the top of putting thing cover 7, then fix lantern ring 8 at the top of putting thing cover 7 through the gomphosis of stopper 14 and putting thing cover 7, when this low clamp protection device is overhauld to the follow-up, start micro-blower 13 in storage tank 12, and then can blow off the dust on circuit board 4 surface through micro-blower 13, promote sliding sleeve 10, can drive storage tank 12 along vertical direction removal under the effect of sliding sleeve 10, lift shifting board 11 from top to bottom, can drive storage tank 12 and rock from top to bottom, thereby can change the wind direction of micro-blower 13, and then the flexibility when can improving the deashing to a certain extent.

Referring to fig. 1, 5 and 6, an embodiment of the present utility model is provided: the utility model provides a low clamp protection device based on P type monocrystalline silicon piece, including storing section of thick bamboo 15, connecting block 21 and pin 29, storing section of thick bamboo 15 is installed at the top of clamp plate 6, and storing section of thick bamboo 15 is located one side of rear storage cover 7, top cap 19 has been placed in the top gomphosis of storing section of thick bamboo 15, connecting block 21 is installed to top center department of top cap 19, the top of top cap 19 runs through and is provided with notch 20, the thing board 17 has been placed in the inside slip of storing section of thick bamboo 15, soft brush 18 is installed to the bottom of putting thing board 17, connecting rod 16 is installed at the top of putting thing board 17, notch 20 is "U" font structure, notch 20 is located one side of connecting block 21, and connecting rod 16 is located the inboard of notch 20, put thing frame 22 at the top of base 1, and put thing frame 22 and be located the place in the place of block 31, top four corners department of putting thing frame 22 all is provided with put thing hole 23, the internally chimeric of thing hole 23 installs the inserted bar 24, two 25 are installed at the top of inserted bar 24, the diapire 26 are installed to the diapire of thing frame 22, the bottom wall 26, the top 27 of supporting rod 26 is installed to the bottom wall of supporting rod 26, the top 27 is the flat bracket 27 is installed to the bottom bracket 27, and the pin 29 is equipped with the top bar bracket 29, the top cover 28 is placed with the top cover 28, the top cover 28 is in shape, the top cover 28 is matched with the top cover 28, the top cover 29 is put down.

Further, after the cap 31 is screwed on the connecting pipe 30, the stop lever 29 is placed on the support 27 on the support rod 26, and the second top cover 25 is covered on the top of the storage frame 22 through the jogging of the inserting rod 24 and the storage hole 23, so that parts for part maintenance are conveniently stored and not easy to lose, parts and the like can be directly taken out from the storage frame 22 when the low-clamping protection device is overhauled, the storage plate 17 can be placed in the storage barrel 15, the first top cover 19 is covered, the connecting rod 16 on the storage plate 17 can be positioned in the notch 20, when dust on the circuit board 4 needs to be cleaned, the connecting block 21 is pulled upwards, the first top cover 19 is not jogged with the storage barrel 15, then the storage plate 17 can be taken out from the storage barrel 15, and the dust adhered to the surface of the circuit board 4 is cleaned through the soft brush 18, so that the safety and reliability of a circuit are improved.

Referring to fig. 3 and 4, an embodiment of the present utility model is provided: the utility model provides a low clamp protection device based on P type monocrystalline silicon piece, includes connecting pipe 30 and dog 32, connecting pipe 30 is installed at the top of base 1, and the outer surface screw thread of connecting pipe 30 installs block 31, and dog 32 is installed at the top of block 31, and dog 32 and clamp plate 6 are located same horizontal plane, and the inside of base 1 is filled with phase change material, and block 31 is located one side of storing frame 2.

Further, firstly, the melted phase change material is injected into the base 1 through the connecting pipe 30, then the plug bush 28 is inserted into the stop block 32, and the stop lever 29 is pushed, so that the cap 31 can be screwed on the surface of the connecting pipe 30 under the action of the stop block 32, in the subsequent use process, the heat generated when the electric element is used can be reduced through the heat absorption characteristic of the phase change material when the phase change material is melted, and the heat dissipation device matched with the electric element is used, so that the heat dissipation effect can be improved to a certain extent.

Further, the working steps of the low clamp protection device are as follows:

s1, before the low-clamp protection device is used, firstly, molten phase change material is injected into the base 1 through a connecting pipe 30, then a plug bush 28 is inserted into a stop block 32, and a stop lever 29 is pushed, so that a cap 31 is driven to rotate, and the cap 31 can be screwed on the outer surface of the connecting pipe 30;

s2, placing the circuit board 4 provided with the low clamping circuit on the inner surface of the storage frame 2, placing the pressing plate 6 on the top of the circuit board 4, then pressing the pressing plate 6 downwards until the insert block 5 can be inserted into the jack 3, and then enabling the pressing plate 6 to cover the top of the circuit board 4 through the engagement of the insert block 5 and the jack 3, so that a certain limiting effect is achieved;

s3, a sliding sleeve 10 is sleeved on the surface of the connecting column 9 through the collar 8, then the collar 8 is placed on the top of the storage sleeve 7, a limiting block 14 is inserted into the storage sleeve 7, and then the collar 8 can be limited through the embedding of the limiting block 14 and the storage sleeve 7;

s4, in the subsequent use process, the base 1 is fixed at a required position, a low clamping circuit on the circuit board 4 is connected with an electric element according to the requirement, and the circuit can be protected through a clamping diode and a piezoresistor, so that the anti-surge capability of the electric element in use is improved;

in step S1, the method further includes the steps of:

s11, then the stop lever 29 is placed on the support 27, the second top cover 25 is connected with the object placing frame 22 through the embedding of the object placing hole 23 and the inserting rod 24, and then the inserting sleeve 28 is placed inside the object placing frame 22, so that the effect of collecting objects can be achieved, the probability of losing parts is reduced, and a certain convenience is provided for subsequent overhaul operation;

in step S4, the method further includes the steps of:

s41, when the circuit board 4 is overhauled, the connecting block 21 is pulled upwards, so that the first top cover 19 is not embedded with the storage cylinder 15 any more, then the connecting rod 16 is pulled upwards, and then the storage board 17 can be taken out of the storage cylinder 15, thereby facilitating cleaning of dust on the surface of the circuit board 4 through the soft brush 18 at the bottom of the storage board 17;

s42, in the process, the micro-blower 13 in the storage box 12 can be started, and the shifting plate 11 is lifted up and down, so that the storage box 12 can shake up and down on the surface of the connecting column 9 under the action of the sliding sleeve 10, dust on the circuit board 4 can be conveniently blown away by the micro-blower 13, and the influence of the dust on a low clamping circuit on the circuit board 4 can be reduced to a certain extent.

Working principle: before the low-clamping protection device is used, firstly, molten phase-change material is injected into the base 1 through a connecting pipe 30, a cap 31 is screwed on the surface of the connecting pipe 30, then a circuit board 4 provided with a low-clamping circuit is placed on the inner surface of a storage frame 2, a pressing plate 6 is covered on the top of the circuit board 4 through the embedding of an inserting block 5 and an inserting hole 3, a sliding sleeve 10 is sleeved on the surface of a connecting post 9 through a sleeve ring 8, then the sleeve ring 8 is placed on the top of a storage sleeve 7, the sleeve ring 8 is limited through the embedding of a limiting block 14 and the storage sleeve 7, then the base 1 can be fixed at a required position, and the low-clamping circuit on the circuit board 4 is connected with an electric element according to requirements;

when overhauling the circuit board 4, upwards pull connecting block 21 for top cap 19 no longer gomphosis with storing section of thick bamboo 15 mutually, then upwards pull connecting rod 16, and take out the board 17 of will putting in from storing section of thick bamboo 15, just can clean the dust on circuit board 4 surface through soft brush 18 afterwards, after cleaning the dust, start micro-blower 13, and lift up and down shifting board 11, make storage tank 12 rock about the surface of spliced pole 9 under the effect of sliding sleeve 10, thereby can change the wind direction of micro-blower 13 in the storage tank 12, and then can provide convenience for the dust on micro-blower 13 blow off circuit board 4 to a certain extent, be favorable to reducing the influence of dust to low clamp circuit on circuit board 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a low clamp protection device based on P type monocrystalline silicon piece, includes base (1), its characterized in that: the base (1) is of a hollow structure, the top of the base (1) is provided with a storage frame (2), one corner of the storage frame (2) is in an inward concave arc shape, and the top of the storage frame (2) is provided with evenly arranged jacks (3);

the inner part of the jack (3) is embedded with an inserting block (5), the top of the inserting block (5) is provided with a pressing plate (6), the inner surface of the storage frame (2) is embedded with a circuit board (4), and the bottom of the circuit board (4) is attached to the top of the base (1);

the pressing plate (6) is in a shape like a Chinese character 'Hui', and the bottom of the pressing plate (6) is attached to the top of the circuit board (4);

the top of the pressing plate (6) is provided with a front object placing sleeve (7) and a rear object placing sleeve (7), the tops of the two object placing sleeves (7) are respectively provided with a lantern ring (8), the interiors of the two object placing sleeves (7) are respectively embedded and provided with a limiting block (14), the limiting blocks (14) are of a T-shaped structure, the surfaces of the two lantern rings (8) which are close to each other are provided with a connecting column (9), the outer surface of the connecting column (9) is slidably provided with a sliding sleeve (10), the outer surface of the sliding sleeve (10) is provided with a poking plate (11) and a storage box (12), the storage box (12) and the poking plate (11) are symmetrically arranged on the sliding sleeve (10), and the inner wall of one side of the storage box (12) is internally provided with a micro-blower (13);

the top of clamp plate (6) is installed storing section of thick bamboo (15), and storing section of thick bamboo (15) are located one side of rear storage cover (7), top cover one (19) has been placed in the top gomphosis of storing section of thick bamboo (15), connecting block (21) are installed in top center department of top cover one (19), the top of top cover one (19) is run through and is provided with notch (20), storing board (17) have been placed in the inside slip of storing section of thick bamboo (15), soft brush (18) are installed to the bottom of storing board (17), connecting rod (16) are installed at the top of storing board (17).

2. The P-type monocrystalline silicon wafer-based low clamp protection device defined in claim 1, wherein: the connecting pipe (30) is installed at the top of base (1), and block (32) are installed at the surface screw thread of connecting pipe (30), the top of block (31), and block (32) and clamp plate (6) are located same horizontal plane, and the inside of base (1) is filled with phase change material, and block (31) are located one side of storing frame (2).

3. The P-type monocrystalline silicon wafer-based low clamp protection device defined in claim 1, wherein: the top of the circuit board (4) is provided with a clamping diode and a piezoresistor, so that the circuit board (4) can form a clamping circuit;

the poking plate (11) is of a U-shaped structure, the lantern ring (8) is embedded with the limiting block (14), the lantern ring (8) is fixed at the top of the object placing sleeve (7) through the embedding of the limiting block (14) and the object placing sleeve (7), the sliding sleeve (10) can move on the connecting column (9) along the vertical direction, and the diameter of the connecting column (9) is larger than the outer diameter of the lantern ring (8);

the notch (20) is of a U-shaped structure, the notch (20) is located on one side of the connecting block (21), and the connecting rod (16) is located on the inner side of the notch (20).

4. The P-type monocrystalline silicon wafer-based low clamp protection device defined by claim 2, wherein: the top of base (1) is installed and is put thing frame (22), and put thing frame (22) and be located the place ahead of block (31), all be provided with in the top four corners department of putting thing frame (22) and put thing hole (23), the inside gomphosis of putting thing hole (23) is installed inserted bar (24), and top cap two (25) are installed at the top of inserted bar (24).

5. The P-type monocrystalline silicon wafer-based low clamp protection device defined by claim 4, wherein: the bottom wall of the storage frame (22) is provided with a supporting rod (26), the top of the supporting rod (26) is provided with a bracket (27), the bracket (27) is of a concave structure, and the bracket (27) is positioned below the top cover II (25).

6. The P-type monocrystalline silicon wafer-based low clamp protection device defined by claim 5, wherein: the top of support (27) has placed pin (29), and pin (29) are flat rectangular shape, and plug bush (28) are installed to one end of pin (29), and plug bush (28) and dog (32) looks adaptation, and plug bush (28) surface is laminated with the diapire of putting thing frame (22).

7. The method of using a P-type monocrystalline silicon wafer-based low clamp protection device as defined in any one of claims 1-6, the method comprising the steps of:

s1, before the low-clamping protection device is used, firstly, injecting melted phase change material into the base (1) through a connecting pipe (30), then inserting a plug bush (28) into a stop block (32), pushing a stop lever (29), and driving a cap (31) to rotate, so that the cap (31) can be screwed on the outer surface of the connecting pipe (30);

s2, placing the circuit board (4) provided with the low clamping circuit on the inner surface of the storage frame (2), placing the pressing plate (6) on the top of the circuit board (4), then pressing the pressing plate (6) downwards until the inserting block (5) can be inserted into the jack (3), and then enabling the pressing plate (6) to cover the top of the circuit board (4) through the embedding of the inserting block (5) and the jack (3), so that a certain limiting effect is achieved;

s3, enabling the sliding sleeve (10) to penetrate through the collar (8) to be sleeved on the surface of the connecting column (9), then placing the collar (8) at the top of the storage sleeve (7), inserting the limiting block (14) into the storage sleeve (7), and then limiting the collar (8) through the embedding of the limiting block (14) and the storage sleeve (7);

s4, fixing the base (1) at a required position in the subsequent use process, connecting a low clamping circuit on the circuit board (4) with an electric element according to the requirement, and protecting the circuit through the clamping diode and the piezoresistor to improve the anti-surge capability of the electric element in use.

8. The method of using a P-type monocrystalline silicon wafer-based low clamp protection device as defined in claim 7, further comprising, in step S1:

s11, then a stop lever (29) is placed on the bracket (27), the top cover II (25) is connected with the object placing frame (22) through the combination of the object placing hole (23) and the inserting rod (24), and then the inserting sleeve (28) can be placed in the object placing frame (22), so that the effect of collecting objects can be achieved, the probability of losing parts is reduced, and certain convenience is provided for subsequent overhaul operation;

in step S4, the method further includes the steps of:

s41, when the circuit board (4) is overhauled, the connecting block (21) is pulled upwards, so that the first top cover (19) is not embedded with the storage barrel (15) any more, then the connecting rod (16) is pulled upwards, and then the storage board (17) can be taken out of the storage barrel (15), so that dust on the surface of the circuit board (4) is cleaned conveniently through the soft brush (18) at the bottom of the storage board (17);

s42, in this process, can also start micro-blower (13) in storage tank (12) to lift shifting board (11) from top to bottom, make storage tank (12) rock from top to bottom at the surface of spliced pole (9) under the effect of sliding sleeve (10), thereby make things convenient for dust on micro-blower (13) blow off circuit board (4), and then can reduce the influence of dust to low clamp circuit on circuit board (4) to a certain extent.