CN219039733U

CN219039733U - Burning device

Info

Publication number: CN219039733U
Application number: CN202223372246.0U
Authority: CN
Inventors: 沈林烨
Original assignee: Suzhou Yuankong Electronic Technology Co ltd
Current assignee: Suzhou Yuankong Electronic Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-16
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a burning device which comprises a base, a movable seat and a burning component, wherein a fixing component for fixing a circuit board is arranged on the base, the movable seat is arranged above the fixing component and can move close to or away from the fixing component, a first magnetic attraction piece is arranged on the movable seat, a second magnetic attraction piece is arranged on the burning component, and the second magnetic attraction piece and the first magnetic attraction piece are magnetically attracted, so that the burning component can be detachably arranged on one side of the movable seat facing the fixing component. According to the burning device disclosed by the utility model, the burning component can be driven by the movable seat to burn, and the chip is not required to be detached from the circuit board in the burning process, so that the chip or the circuit board is damaged due to repeated detachment and installation, the burning efficiency can be improved, and the burning component is fixed on the movable seat through magnetic attraction, so that the burning component can be quickly replaced, and the burning device can burn chips of different types, and is good in applicability.

Description

Burning device

Technical Field

The present utility model relates to the field of electronic devices, and in particular, to a recording device.

Background

In order to realize the multifunctional operation of the electronic device, a chip for storing various programs is usually mounted on an existing integrated circuit board, and the circuit board reads the programs in the chip to realize the operation of the programs.

After the program is burnt on the chip, the program needs to be welded on the circuit board and whether the program in the chip is correct or not is verified. In the verification process, repeated verification processes such as program writing, verification, re-writing and the like exist, and the chip is required to be detached from the circuit board and re-burned until the program verification of the chip is correct. This operation has the following drawbacks: the chip is required to be disassembled from the circuit board for burning for many times, so that the disassembly and welding workload of the chip can be increased, and the working efficiency is low; and because the pins on the chip are fragile, multiple detachments can easily lead to chip damage or failure.

Disclosure of Invention

The aim of the embodiment of the utility model is that: provided is a writing device which can simplify the writing operation of a chip, has high writing efficiency, and is not easy to damage the chip.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a burning device, including base, movable seat and burning subassembly, be provided with the fixed subassembly that is used for fixed circuit board on the base, the movable seat sets up on the base, and is located the top of fixed subassembly, and the movable seat can be close to or keep away from fixed subassembly and remove, is provided with first magnetism on the movable seat and inhale the piece, and the burning subassembly is provided with the second magnetism and inhale the piece, and the second magnetism is inhaled the piece and is inhaled the piece magnetism with first magnetism to make burning subassembly detachable the setting on the one side of movable seat towards fixed subassembly.

As a preferable scheme of the burning device, the first magnetic attraction piece is a magnetic attraction plate, the first magnetic attraction piece is arranged on the side face of the movable seat, which faces the fixed component, the cross section size of the first magnetic attraction piece is larger than that of the burning component, and the burning component is movably arranged on the first magnetic attraction piece through the second magnetic attraction piece.

As a preferred scheme of the burning device, the burning assembly comprises a mounting seat and ejector pins, wherein the ejector pins and the second magnetic attraction pieces are arranged on the mounting seat, and the number of the ejector pins is the same as that of the chip pins on the circuit board.

As a preferable scheme of the burning device, the burning device comprises a wire, one end of the wire is connected with the thimble, and the other end of the wire is used for being connected with an upper computer.

As a preferable scheme of the burning device, the fixing component comprises a bottom plate, a first clamping block and a second clamping block, wherein the first clamping block and the second clamping block are arranged on the bottom plate at intervals along a first direction, and the first clamping block and the bottom plate are movably arranged;

and/or the second clamping block is movably arranged with the bottom plate, so that the distance between the first clamping block and the second clamping block can be adjusted, and the first clamping block and the second clamping block are used for clamping the circuit board.

As a preferable scheme of the burning device, a chute is arranged on the bottom plate, the length of the chute extends towards a first direction, and the first clamping block is arranged on the chute in a sliding manner through a first connecting piece;

and/or the second clamping block is arranged on the sliding groove in a sliding way through the second connecting piece.

As a preferable scheme of the burning device, a first elastic piece is arranged in the chute and is respectively connected with the chute wall of the chute and the first connecting piece;

and/or a second elastic piece is arranged in the chute and is respectively connected with the chute wall of the chute and the second connecting piece so as to drive the first clamping block and the second clamping block to be close to each other.

As a preferred scheme of the burning device, a first strip-shaped hole is formed in the bottom plate, a second strip-shaped hole is formed in the base corresponding to the first strip-shaped hole, the length of one of the first strip-shaped hole and the second strip-shaped hole faces the first direction, the length of the other of the first strip-shaped hole and the second strip-shaped hole faces the second direction, the first direction is perpendicular to the second direction, and the fastener penetrates through the first strip-shaped hole and the second strip-shaped hole to connect the bottom plate and the base.

As a preferable scheme of the burning device, the movable seat is connected with the base through a lifting mechanism.

As a preferable scheme of the burning device, a guide rod is arranged on the base, the length of the guide rod extends along the vertical direction, a guide hole is formed in the movable seat, and the guide rod is inserted into the guide hole, so that the movable seat is arranged on the guide rod in a sliding manner.

The beneficial effects are that: when the burning device is used for burning, the chip is not required to be detached from the circuit board, so that the situation that the chip or the circuit board is damaged due to repeated detachment and installation can be avoided, and the burning efficiency can be improved; and the burning assembly is fixed on the movable seat through magnetic attraction, so that the burning assembly can be quickly replaced, the burning device can burn various types of chips, and the applicability of the burning device is good.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a perspective view of a recording device according to an embodiment of the utility model.

Fig. 2 is a partial cross-sectional view of a burn-in assembly according to an embodiment of the utility model.

Fig. 3 is a top view of a recording device according to an embodiment of the utility model.

Fig. 4 is a cross-sectional view of a base plate according to an embodiment of the present utility model.

Fig. 5 is a front view of a burning device according to an embodiment of the utility model.

Fig. 6 is a side view of a recording device according to an embodiment of the utility model.

In the figure:

1. a base; 11. a second bar-shaped hole; 2. a fixing assembly; 21. a bottom plate; 211. a chute; 212. a first bar-shaped hole; 213. an avoidance opening; 22. a first clamping block; 23. a second clamping block; 24. a positioning block; 3. a movable seat; 4. a first magnetic attraction member; 5. a burning component; 51. a mounting base; 52. a thimble; 6. a second magnetic attraction member; 7. a lifting mechanism; 71. a lifting rod; 72. a handle; 8. a guide rod; 9. a first elastic member; 10. a first connector.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments 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 fall within the scope of the utility model.

The burning device provided by the utility model is used for burning the chip on the circuit board.

As shown in fig. 1 and 2, the burning device includes a base 1, a movable seat 3 and a burning component 5, the base 1 is provided with a fixing component 2 for fixing a circuit board, the movable seat 3 is arranged on the base 1, the movable seat 3 is located above the fixing component 2, the movable seat 3 can move close to or far away from the fixing component 2 along the vertical direction, a first magnetic attraction piece 4 is arranged on the movable seat 3, the burning component 5 is provided with a second magnetic attraction piece 6, and the first magnetic attraction piece 4 and the second magnetic attraction piece 6 can be magnetically attracted together, so that the burning component 5 can be detachably arranged on one side of the movable seat 3, which faces the fixing component 2.

When the chip on the circuit board needs to be burnt, the circuit board can be fixed on the base 1 through the fixing component 2, so that the circuit board is located below the burning component 5, and then the burning component 5 is driven to be close to the circuit board through the movable seat 3, so that the burning component 5 can be connected with the chip on the circuit board, and the chip is burnt. The design does not need to detach the chip from the circuit board during burning, so that the chip or the circuit board can be damaged due to repeated detachment and installation, and the burning efficiency can be improved; and because the chip of different models exists the condition that needs to change different burning subassembly 5, the burning subassembly 5 is fixed on movable seat 3 through the magnetism, can quick replacement burning subassembly 5 for the burning device can be to the chip of multiple model, thereby improves the suitability of burning device.

Specifically, the first magnetic attraction piece 4 is a magnetic attraction plate, the first magnetic attraction piece 4 is arranged on the side face, facing the fixed component 2, of the movable seat 3, the cross section size of the first magnetic attraction piece 4 is larger than that of the burning component 5, and the burning component 5 is movably arranged on the first magnetic attraction piece 4 through the second magnetic attraction piece 6. Because the chip positions on different types of circuit boards may be different, the burning component 5 can be fixed on any position of the first magnetic attraction piece 4 through the second magnetic attraction piece 6, so that the burning component 5 is ensured to be opposite to the battery core on the circuit board, and the adjustment operation is simple, thereby being beneficial to improving the adjustment efficiency.

The first magnetic attraction member 4 is a metal plate capable of being attracted magnetically, and the second magnetic attraction member 6 is a magnet, for example.

Specifically, the first magnetic attraction member 4 and the movable seat 3 may be of an integral design or a split design.

In this embodiment, the first magnetic attraction member 4 is designed to be separated from the movable seat 3. Specifically, the first magnetic attraction piece 4 is an iron plate, and the movable seat 3 is made of a light material, such as plastic; the first magnetic attraction piece 4 is connected with the movable seat 3 through a screw. The design not only can reduce the overall weight of the burning device, but also is beneficial to reducing the material cost of the burning device.

Specifically, as shown in fig. 2, the burning assembly 5 includes a mounting seat 51 and a thimble 52, and the thimble 52 and the second magnetic attraction member 6 are both disposed on the mounting seat 51. The number of the ejector pins 52 is the same as the number of the chip pins on the circuit board. The ejector pins 52 of the burning assembly 5 are in one-to-one correspondence with the pins of the chip, and all the ejector pins 52 can move simultaneously and are connected with the pins of the chip so as to burn the chip.

It should be noted that, when different types of chips are burned, the burning assembly 5 can be replaced to ensure that the number of the pins 52 is the same as the number of the pins of the chips on the circuit board.

The ejector pins 52 are made of metal, so that the ejector pins 52 can be electrically connected with pins of the chip.

Further, the burning device comprises a wire (not shown in the figure), one end of the wire is connected with the thimble 52, the other end of the wire is used for being connected with an upper computer, the upper computer is a computer capable of directly sending out a control command, and the upper computer can transmit data through the wire and the thimble 52. When the thimble 52 is connected with the chip, the upper computer can burn the program on line on the chip.

Specifically, as shown in fig. 1, the fixing assembly 2 includes a base plate 21, a first clamping block 22 and a second clamping block 23, the first clamping block 22 and the second clamping block 23 are disposed on the base plate 21 at intervals along a first direction, the first clamping block 22 and/or the second clamping block 23 are movably disposed to drive an adjustable interval between the first clamping block 22 and the second clamping block 23, and the first clamping block 22 and the second clamping block 23 are used for clamping a circuit board. This design can be through the tight not unidimensional circuit board of adjustment interval between first clamp splice 22 and the second clamp splice 23 for fixed subassembly 2 can satisfy the demand of fixed not unidimensional circuit board, thereby improves the suitability of burning device.

In the present embodiment, as shown in fig. 1, 3 and 4, a slide groove 211 is provided on the base plate 21, the length of the slide groove 211 extends toward the first direction, a first clamping block 22 is slidably provided on the slide groove 211 by the first connector 10, and a second clamping block 23 is fixedly provided on the base plate 21. The sliding groove 211 can limit the moving direction of the first clamping block 22, so as to ensure that the first clamping block 22 moves relatively or oppositely towards the second clamping block 23 along the first direction, so as to avoid the first clamping block 22 from shifting in the moving process, and the circuit board is damaged due to uneven stress.

Specifically, the first elastic member 9 is disposed in the sliding slot 211, the first elastic member 9 is respectively connected with the slot wall of the sliding slot 211 and the first connecting member 10, and the first elastic member 9 drives the first clamping block 22 to move towards the second clamping block 23. The first resilient member 9 causes the first clamping block 22 to have a clamping force against the second clamping block 23 to keep clamping the circuit board.

In another embodiment, the second clamping block 23 is slidably disposed on the sliding slot 211 through the second connecting member, the first clamping block 22 is fixedly disposed on the bottom plate 21, and the second clamping block 23 can move relatively or reversely toward the first clamping block 22 along the first direction so as to adjust the distance between the first clamping block 22 and the second clamping block 23.

Specifically, a second elastic member is disposed in the sliding slot 211, and the second elastic member is respectively connected to the slot wall of the sliding slot 211 and the second connecting member, and drives the second clamping block 23 to move towards the first clamping block 22. The second resilient member causes the second clamping block 23 to have a clamping force against the first clamping block 22 to keep clamping the circuit board.

Wherein the sliding structure of the second clamping block 23 and the bottom plate 21 is the same as the sliding structure of the first clamping block 22 and the bottom plate 21.

In other embodiments, two ends of the sliding slot 211 along the length direction are respectively provided with a first elastic member 9 and a second elastic member, the first clamping block 22 is slidably disposed on the sliding slot 211 through the first connecting member 10, the second clamping block 23 is slidably disposed on the sliding slot 211 through the second connecting member, and the first clamping block 22 and the second clamping block 23 can respectively move towards the first clamping block 22 in the first direction or back to back so as to adjust the distance between the first clamping block 22 and the second clamping block 23.

Specifically, a first elastic member 9 and a second elastic member are disposed in the sliding slot 211, the first elastic member 9 is respectively connected with the slot wall of the sliding slot 211 and the first connecting member 10, the first elastic member 9 drives the first clamping block 22 to move towards the second clamping block 23, the second elastic member is respectively connected with the slot wall of the sliding slot 211 and the second connecting member, and the second elastic member drives the second clamping block 23 to move towards the first clamping block 22. The first and second elastic members 9 and 23 provide the first and second clamping blocks 22 and 23 with a clamping force to keep clamping the circuit board.

It should be noted that, the sliding slot 211 may be one, the first clamping block 22 and the second clamping block 23 are respectively slidably disposed at two ends of the sliding slot 211 along the length direction, or the sliding slot 211 includes a first slot and a second slot, which are disposed at intervals, the first clamping block 22 is slidably disposed in the first slot, and the second clamping block 23 is slidably disposed in the second slot.

Specifically, as shown in fig. 1, the bottom plate 21 is provided with a relief opening 213, and when the circuit board is fixed on the base 1, the electronic component on the side of the circuit board away from the chip can be accommodated in the relief opening 213, so as to avoid damaging the circuit board.

Preferably, as shown in fig. 1 and 5, the fixing assembly 2 further includes a positioning block 24, and the positioning block 24 is disposed at one side of the bottom plate 21 in the second direction. The positioning block 24 can position the circuit board so that the electronic component of the circuit board can be placed against the avoidance opening 213.

Specifically, the base plate 21 and the base 1 are detachably connected by fasteners.

In this embodiment, as shown in fig. 1 and 5, a first bar hole 212 is provided on the base plate 21, a second bar hole 11 is provided on the base 1 corresponding to the first bar hole 212, one of the first bar hole 212 and the second bar hole 11 has a length directed in a first direction, the other of the first bar hole 212 and the second bar hole 11 has a length directed in a second direction, the first direction is perpendicular to the second direction, and a fastener passes through the first bar hole 212 and the second bar hole 11 to connect the base plate 21 and the base 1. The design can adjust the position where the first strip-shaped hole 212 is communicated with the second strip-shaped hole 11, the bottom plate 21 is fixed on the base 1 through the fastener, and the base 1 can move relative to the base 1 along the first direction and the second direction in the adjusting process, so that the position of the circuit board is adjusted, and the chip on the circuit board can move to be aligned with the burning assembly 5.

The fastener is, for example, a bolt.

Specifically, the movable base 3 is connected to the base 1 via a lifting mechanism 7.

Further, as shown in fig. 1, 5 and 6, the lifting mechanism 7 includes a lifting rod 71, the base 1 includes a base body and a bracket provided on the base body, the lifting rod 71 is provided on the bracket, and the lifting rod 71 is connected with the upper surface of the movable base 3 to drive the movable base 3 to move in the vertical direction.

In the present embodiment, the end of the lifting rod 71 remote from the movable seat 3 is provided with a handle 72. The lifting rod 71 can be manually driven to move in the vertical direction through the handle 72, and the movable seat 3 is driven to move.

In other embodiments, the lifting rod 71 may also be connected to a driving member, by which the lifting rod 71 is driven to move in the vertical direction.

Preferably, as shown in fig. 1 and 5, a guide rod 8 is provided on the base 1, the length of the guide rod 8 extends in the vertical direction, the movable seat 3 is provided with a guide hole, the guide rod 8 is inserted in the guide hole, specifically, one end of the guide rod 8 is connected with the upper surface of the seat body, and the other end passes through the guide hole to be connected with the bracket, so that the movable seat 3 is slidably arranged on the guide rod 8. The guide rod 8 can limit the moving direction of the movable seat 3 to avoid the movable seat 3 from being deviated during the moving process.

Claims

1. A burning apparatus, comprising:

the base is provided with a fixing component for fixing the circuit board;

the movable seat is arranged on the base and is positioned above the fixed assembly, the movable seat can move close to or away from the fixed assembly, and the movable seat is provided with a first magnetic attraction piece;

the burning assembly is provided with a second magnetic attraction piece, and the second magnetic attraction piece and the first magnetic attraction piece are magnetically attracted, so that the burning assembly can be detachably arranged on one side of the movable seat, which faces the fixed assembly.

2. The recording device of claim 1, wherein the first magnetic attraction member is a magnetic attraction plate, the first magnetic attraction member is disposed on a side surface of the movable seat facing the fixed component, a cross-sectional dimension of the first magnetic attraction member is larger than a cross-sectional dimension of the recording component, and the recording component is movably disposed on the first magnetic attraction member through the second magnetic attraction member.

3. The device of claim 1, wherein the burning assembly comprises a mounting base and a thimble, the thimble and the second magnetic attraction piece are both arranged on the mounting base, and the number of the thimble is the same as the number of the chip pins on the circuit board.

4. The recording device of claim 3, wherein the recording assembly comprises a wire, one end of the wire is connected with the thimble, and the other end of the wire is used for being connected with an upper computer.

5. The recording apparatus according to any one of claims 1 to 4, wherein the fixing assembly includes a bottom plate, a first clamping block and a second clamping block, the first clamping block and the second clamping block being disposed on the bottom plate at intervals along a first direction, the first clamping block being movably disposed with the bottom plate;

and/or the second clamping block and the bottom plate are movably arranged, so that the distance between the first clamping block and the second clamping block is adjustable, and the first clamping block and the second clamping block are used for clamping the circuit board.

6. The recording apparatus according to claim 5, wherein a chute is provided on the base plate, a length of the chute extends toward the first direction, and the first clamp block is slidably disposed on the chute via a first connecting member;

and/or the second clamping block is arranged on the sliding groove in a sliding way through a second connecting piece.

7. The recording device according to claim 6, wherein a first elastic member is disposed in the chute, and the first elastic member is connected to the wall of the chute and the first connecting member, respectively;

and/or a second elastic piece is arranged in the chute and is respectively connected with the wall of the chute and the second connecting piece so as to drive the first clamping block and the second clamping block to be close to each other.

8. The recording device of claim 5, wherein a first bar hole is provided in the base plate, a second bar hole is provided in the base plate at a position corresponding to the first bar hole, a length of one of the first bar hole and the second bar hole faces the first direction, a length of the other of the first bar hole and the second bar hole faces the second direction, the first direction is perpendicular to the second direction, and a fastener passes through the first bar hole and the second bar hole to connect the base plate and the base plate.

9. The recording apparatus according to any one of claims 1 to 4, wherein the movable base is connected to the base by a lifting mechanism.

10. The recording apparatus according to claim 9, wherein a guide rod is provided on the base, a length of the guide rod extends in a vertical direction, the movable seat is provided with a guide hole, and the guide rod is inserted into the guide hole, so that the movable seat is slidably disposed on the guide rod.