Burning clamp

Abstract

The utility model relates to the field of chips, and provides a burning clamp which comprises a first clamp body, a second clamp body, a connector and a first elastic piece. The first clamp body is movably connected with the second clamp body, the connector is rotatably connected with the first clamp body, the connector faces the second clamp body and can be close to or far away from the second clamp body through the first clamp body, a circuit board is arranged between the connector and the second clamp body, the rotating axis of the connector intersects with the circuit board, and the connector is used for being in butt joint with a test interface; the first elastic piece is connected with the first clamp body and the second clamp body and used for driving the second clamp body to be close to the connector. The connector is rotatably connected with the first clamp body, the rotating axis of the connector intersects with the circuit board, and the connector can rotate relative to the circuit board to change the angle of the connector, so that the connector can be in butt joint with test interfaces at different angles, and the compatibility of the burning clamp is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chips, in particular to a burning clip. Background Art

[0002] The Battery Management System (BMS) is used to monitor the voltage, current, temperature and other parameters of each battery in the battery pack in real time to ensure the normal operation of the battery. When abnormal parameters such as voltage and temperature are detected, the BMS will issue an alarm and take corresponding measures, such as taking fault protection measures to protect the battery.

[0003] During the development and debugging of BMS, it is necessary to frequently switch between debug mode and normal mode. How to quickly and conveniently switch modes becomes a problem. In the related art, a flash probe is added to the existing ordinary spring clip. When debug mode debugging is required, the flash probe of the spring clip is aligned with the test interface of the BMS circuit board and clamped. After the debugging is successful, the spring clip can be directly released by turning off the power.

[0004] The inventors found that the test interface is generally located at the edge of the circuit board, and the length direction of the test interface is sometimes perpendicular to the edge of the circuit board and sometimes parallel to the edge of the circuit board. Test interfaces with different angles require special spring clips to adapt to them, resulting in poor compatibility of the spring clips. Utility Model Content

[0005] The utility model provides a burning clip, which is used to solve the defect of poor compatibility of spring clips in the related art.

[0006] On the one hand, the utility model provides a burning clip, which is used to connect to a circuit board provided with a test interface, and includes a first clip body, a second clip body, a joint and a first elastic member;

[0007] The first clamp is movably connected to the second clamp, the connector is rotatably connected to the first clamp, the connector faces the second clamp and can approach or move away from the second clamp through the first clamp, the circuit board is placed between the connector and the second clamp, the rotation axis of the connector intersects with the circuit board, and the connector is used to dock with the test interface;

[0008] The first elastic member connects the first clamping body and the second clamping body, and is used to drive the second clamping body to approach the joint.

[0009] According to a burning clip provided by the utility model, the joint includes a probe, a rotating disk and a spring sheet;

[0010] Among them, the rotating disk is rotatably connected to the first clamp, the rotating disk is provided with a conductive ring arranged along the circumference of the rotating disk, the probe is arranged on the rotating disk and electrically connected to the conductive ring, the probe extends along the axial direction of the rotating disk, the spring sheet is connected to the first clamp, and the spring sheet abuts against the conductive ring.

[0011] According to a burning clip provided by the utility model, the connector also includes a conductive member, a mounting hole for inserting the probe is provided on the rotating disk, a mounting groove is provided on the end surface of the rotating disk, one end of the mounting groove is connected to the mounting hole, and the other end of the mounting groove extends to the installation position of the conductive ring, and the conductive member is arranged in the mounting groove and connects the probe and the conductive ring.

[0012] According to a burning clip provided by the utility model, a ring groove for accommodating the conductive ring is provided on the outer circumferential wall of the rotating disk, and the mounting groove communicates with the mounting hole and the ring groove.

[0013] According to a burning clamp provided by the utility model, it also includes a cylinder structure, which is connected to the first clamp body, the rotating disk is rotatably arranged in the cylinder structure, the cylinder structure is provided with a limiting device for axially limiting the rotating disk, the side wall of the cylinder structure is provided with a through hole, the spring sheet is installed on the side wall of the cylinder structure and abuts against the conductive ring through the through hole.

[0014] According to a burning clip provided by the utility model, the limiting device includes an annular protrusion and a cover body;

[0015] The annular protrusion is arranged on the inner wall of the cylindrical structure, the cover body is arranged at one end of the cylindrical structure, the rotating disk is arranged between the annular protrusion and the cover body, and the probe passes through the annular protrusion from one end of the cylindrical structure away from the cover body.

[0016] According to a burning clip provided by the utility model, it also includes a handle, the probe is connected to the handle, the handle is rotatably connected to the cylinder structure, the cover body is provided with an escape opening, the handle passes through the escape opening and protrudes from the end surface of the cylinder structure.

[0017] According to a burning clip provided by the utility model, the cylinder structure is detachably connected to the first clip body;

[0018] And / or, the cover body is detachably connected to the cylinder structure.

[0019] According to a burning clip provided by the utility model, the number of the probes and the number of the rotating disks are both set to be multiple, the rotating disks are arranged in sequence along the axial direction of the probes, and the probes pass through all the rotating disks and are connected to the conductive rings of the corresponding rotating disks.

[0020] According to a burning clip provided by the utility model, the probe comprises a needle body, a probe head and a second elastic member;

[0021] The needle body is connected to the rotating disk, the probe is slidably connected to the needle body, the probe is used to dock with the test interface, and the second elastic member connects the probe and the needle body and is used to drive the probe to move toward the second clamp.

[0022] The burning clamp provided by the utility model is movably connected through a first clamp body and a second clamp body, a connector is arranged opposite to the second clamp body, and the connector can be moved closer to or farther away from the second clamp body through the first clamp body. When in use, a circuit board to be tested can be placed between the connector and the second clamp body, and the connector is connected to a test interface. The first elastic member drives the second clamp body and the connector to approach each other, so that the circuit board is clamped between the connector and the second clamp body, ensuring that the connector and the test connector maintain stable contact.

[0023] The connector is rotatably connected to the first clamp body, and the rotation axis of the connector intersects with the circuit board. The connector can rotate relative to the circuit board to change the angle of the connector, so that the connector can be docked with test interfaces at different angles, thereby improving the compatibility of the burning clip. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 The burning clip provided by the embodiment of the utility model;

[0026] Figure 2 It is a structural schematic diagram of a joint provided by an embodiment of the utility model;

[0027] Figure 3 It is a schematic diagram of the installation structure of the cover body and the cylinder structure provided by the embodiment of the utility model;

[0028] Figure 4 It is a schematic diagram of the arrangement of multiple rotating disks provided in an embodiment of the utility model;

[0029] Figure 5 It is a structural schematic diagram of the cylinder structure provided by an embodiment of the utility model;

[0030] Figure 6 It is a structural schematic diagram of a rotating disk provided in an embodiment of the utility model;

[0031] Figure 7 It is a schematic diagram of the structure of the probe provided in the embodiment of the utility model.

[0032] Reference numerals:

[0033] 1. First clamp body; 2. Second clamp body; 3. Joint; 301. Probe; 301a. Needle body; 301b. Probe head; 301c. Second elastic member; 302. Rotating disk; 302a. Mounting hole; 302b. Mounting groove; 302c. Ring groove; 303. Spring sheet; 304. Conductive member; 305. Conductive ring; 4. First elastic member; 5. Cylinder structure; 501. Through opening; 502. Ring protrusion; 6. Cover body; 7. Handle. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Combine the following Figure 1-Figure 7 The burning clip provided in the embodiment of the utility model is described.

[0036] Specifically, the burning clip is used to be connected to a circuit board provided with a test interface, and the burning clip comprises a first clamping body 1 , a second clamping body 2 , a connector 3 and a first elastic member 4 .

[0037] The first clamp body 1 is movably connected to the second clamp body 2, and the connector 3 is rotatably connected to the first clamp body 1. The connector 3 faces the second clamp body 2 and can approach or move away from the second clamp body 2 through the first clamp body 1. The circuit board is placed between the connector 3 and the second clamp body 2, and the rotation axis of the connector 3 intersects with the circuit board. The connector 3 is used to dock with the test interface of the circuit board. The test interface can be a JTAG interface.

[0038] The first elastic member 4 connects the first clamping body 1 and the second clamping body 2 and is used to drive the second clamping body 2 to approach the interface.

[0039] The burning clip provided in the embodiment of the utility model is movably connected by a first clamp body 1 and a second clamp body 2, and a connector 3 is arranged opposite to the second clamp body 2. The connector 3 can be moved closer to or farther away from the second clamp body 2 through the first clamp body 1. When in use, the circuit board to be tested can be placed between the connector 3 and the second clamp body 2, and the connector 3 is docked with the test interface. The first elastic member 4 drives the second clamp body 2 and the connector 3 to move closer, so that the circuit board is clamped between the connector 3 and the second clamp body 2, ensuring that the connector 3 and the test connector 3 maintain stable contact.

[0040] The connector 3 is rotatably connected to the first clamp body 1, and the rotation axis of the connector 3 intersects with the circuit board. The connector 3 can rotate relative to the circuit board to change the angle of the connector 3, so that the connector 3 can be connected to the test interface at different angles, thereby improving the compatibility of the burning clip.

[0041] refer to Figure 1 As shown, in some embodiments provided by the utility model, the first clamping body 1 is rotatably connected to the second clamping body 2. For example, the first clamping body 1 and the second clamping body 2 are arranged opposite to each other, a first ear plate is provided on a side of the first clamping body 1 close to the second clamping body 2, and a second ear plate is provided on a side of the second clamping body 2 close to the first clamping body 1, and the first ear plate and the second ear plate are hingedly connected through a hinge shaft.

[0042] Optionally, the joint 3 is rotatably connected to the first clamp 1, and the joint 3 is located on one side of the rotation axis of the first clamp 1, and the rotation axis of the joint 3 is perpendicular to the rotation axis of the first clamp 1. Optionally, the first elastic member 4 is configured as a spring, and the spring and the joint 3 are respectively configured on both sides of the rotation axis of the first clamp 1. Of course, the first elastic member 4 can also be configured as a torsion spring, and the torsion spring can be sleeved on the hinge shaft.

[0043] Of course, the first clamp body 1 and the second clamp body 2 are not limited to being connected in rotation. For example, in other embodiments provided by the present invention, the first clamp body 1 and the second clamp body 2 are connected in sliding connection. For example, a guide structure is provided on the second clamp body 2, and the guide structure of the first clamp body 1 is slidably matched. The joint 3 is rotatably provided on the first clamp body 1, and the rotation axis of the joint 3 is parallel to the moving path direction of the first clamp body 1. Optionally, the first elastic member 4 is configured as a tension spring, and the two ends of the tension spring are respectively connected to the first clamp body 1 and the second clamp body 2.

[0044] In some embodiments provided by the present invention, the joint 3 includes a probe 301 , a rotating disk 302 and a spring sheet 303 .

[0045] The rotating disk 302 is rotatably connected to the first clamp 1, and the rotating disk 302 is provided with a conductive ring 305 arranged along the circumference of the rotating disk 302. The probe 301 is arranged on the rotating disk 302 and is electrically connected to the conductive ring 305. The probe 301 extends along the axial direction of the rotating disk 302 and is used to dock with the test connector 3. The spring sheet 303 is connected to the first clamp 1, and the spring sheet 303 abuts against the conductive ring 305.

[0046] In this embodiment, during use, the test wire can be electrically connected to the spring sheet 303, that is, the test wire maintains conduction with the probe 301 through the spring sheet 303 and the conductive ring 305. When adjusting the angle of the connector 3, the rotating disk 302 rotates, while the spring sheet 303 remains fixed and is always in contact with the conductive ring 305 for conduction. Therefore, the test wire connected to the spring sheet 303 will not have the problem of entanglement, so that the connector 3 can be rotated without restriction and can better adapt to the angle of the test interface.

[0047] Optionally, the conductive ring 305 may be a metal ring or a metal layer plated on the rotating disk 302 .

[0048] refer to Figure 2 and Figure 6 As shown, in some embodiments provided by the present utility model, the connector 3 further includes a conductive member 304. The rotating disk 302 is provided with a mounting hole 302a for the probe 301 to be placed, for example, the mounting hole 302a is provided through. A mounting groove 302b is provided on the end surface of the rotating disk 302, one end of the mounting groove 302b is connected to the mounting hole 302a, and the other end of the mounting groove 302b extends to the mounting position of the conductive ring 305. The conductive member 304 is provided in the mounting groove 302b, and the conductive member 304 connects the probe 301b and the conductive ring 305.

[0049] In this embodiment, by setting a mounting groove 302b on the end face of the rotating disk 302 and setting the conductive member 304 in the mounting groove 302b, on the one hand, the conductive member 304 can be limited and fixed by the mounting groove 302b to prevent the conductive member 304 from loosening and falling off; on the other hand, when the number of probes 301 is multiple and the number of conductive members 304 is also set to multiple and corresponding to the probes 301, the conductive members 304 are set in corresponding mounting grooves 302b, which can reduce the risk of contact between the conductive members 304.

[0050] Optionally, the probe 301b is connected to the mounting hole 302a by welding. Optionally, the conductive member 304 is configured as a metal sheet.

[0051] In some embodiments provided by the utility model, an annular groove 302c for accommodating the conductive ring 305 is provided on the outer circumferential wall of the rotating disk 302, and the mounting groove 302b is connected to the mounting hole 302a and the annular groove 302c. In this embodiment, by arranging the conductive ring 305 in the annular groove 302c, the annular groove 302c can form a better limiting and fixing effect on the conductive ring 305, thereby preventing the conductive ring 305 from loosening and falling off. In addition, the conductive ring 305 is arranged in the annular groove 302c to prevent the conductive ring 305 from protruding from the outer circumferential surface of the rotating disk 302, thereby affecting the rotational cooperation between the outer circumferential surface of the rotating disk 302 and other components.

[0052] In some embodiments provided by the present utility model, the burning clip further includes a cylinder structure 5 .

[0053] The cylinder structure 5 is connected to the first clamping body 1, and the rotating disk 302 is rotatably arranged in the cylinder structure 5. The cylinder structure 5 is provided with a limiting device for axially limiting the rotating disk 302. A through hole 501 is provided on the side wall of the cylinder structure 5, and the spring sheet 303 is installed on the side wall of the cylinder structure 5 and abuts against the conductive ring 305 through the through hole 501.

[0054] In this embodiment, the rotating disk 302 is rotatably connected to the first clamping body 1 through the cylinder structure 5, and the rotating disk 302 is arranged in the cylinder structure 5, so that the rotating disk 302 and part of the structure of the probe 301 are hidden in the cylinder structure 5, reducing the exposure of the rotating disk 302 and the probe 301, and reducing the probability of electric shock. By setting the limiting device in the cylinder structure 5, the rotating disk 302 can be axially limited to prevent the rotating disk 302 from axially moving, ensuring that the probe 301 can be stably docked with the test interface. By setting the spring sheet 303 on the side wall of the cylinder structure 5, it is convenient to install and arrange the spring sheet 303.

[0055] refer to Figure 3-Figure 5 As shown, in some embodiments provided by the present utility model, the limiting device includes an annular protrusion 502 and a cover body 6.

[0056] Among them, the annular protrusion 502 is arranged on the inner wall of the cylindrical structure 5, the cover body 6 is arranged at one end of the cylindrical structure 5, the rotating disk 302 is arranged between the annular protrusion 502 and the cover body 6, and the probe 301 passes through the annular protrusion 502 from the end of the cylindrical structure 5 away from the cover body 6.

[0057] In this embodiment, the annular protrusion 502 can be used to limit the rotating disk 302 and prevent it from moving toward the second clamp 2. The cover body 6 can be used to limit the rotating disk 302 and prevent it from moving away from the second clamp 2. In this way, the rotating disk 302 can be prevented from escaping from the cylindrical structure 5 when not in use, and the rotating disk 302 can bear the force exerted on the probe 301 when in use.

[0058] In some embodiments provided by the utility model, the burning clip further includes a handle 7. The probe 301 is connected to the handle 7, and the handle 7 is rotatably connected to the cylinder structure 5. The cover body 6 is provided with an escape opening, and the handle 7 passes through the escape opening and protrudes from the end surface of the cylinder structure 5.

[0059] In this embodiment, by providing a handle 7 and connecting the handle 7 to the probe 301 , when the angle needs to be adjusted, the handle 7 can be simply screwed, which makes the operation more convenient.

[0060] Optionally, the handle 7 is made of insulating material.

[0061] Optionally, a positioning hole for inserting the probe 301 is provided on the handle 7 , and the probe 301 can be connected to the handle 7 by welding.

[0062] In some embodiments provided by the present invention, the cover body 6 is detachably connected to the cylinder structure 5. Such a configuration facilitates the disassembly and assembly of the cover body 6 to repair or replace the probe 301 or the rotating disk 302.

[0063] Optionally, the cover body 6 is connected to the cylinder structure 5 by a snap-fit ​​connection, or the cover body 6 is connected to the cylinder structure 5 by a threaded member.

[0064] In some embodiments provided by the present invention, the cylinder structure 5 is detachably connected to the first clamping body 1. Such a configuration facilitates the disassembly and replacement of the joint 3.

[0065] Optionally, a connecting plate is provided on the side wall of the cylinder structure 5, and the connecting plate is detachably connected to the first clamping body 1 through a screw. Further, the connecting plate is provided as a pair, and a space for the first clamping plate to be placed is provided between the pair of connecting plates.

[0066] In some embodiments provided by the present invention, the number of probes 301 and the number of rotating disks 302 are both set to multiple. The rotating disks 302 are arranged in sequence along the axial direction of the probes 301, and the probes 301 pass through the rotating disks 302 and are connected to the conductive rings 305 of the corresponding rotating disks 302. Optionally, the rotating disks 302 and the probes 301 are electrically connected one by one.

[0067] In this embodiment, by providing a plurality of probes 301 , the probes 301 can be connected to different pins of the test interface respectively.

[0068] refer to Figure 7 As shown, in some embodiments provided by the present invention, the probe 301 includes a needle body 301a, a probe head 301b and a second elastic member 301c.

[0069] The needle body 301a is connected to the rotating disk 302, the probe 301b is slidably connected to the needle body 301a, and the probe 301b is used to dock with the test interface. The probe 301b and the needle body 301a are both configured with conductive materials. The second elastic member 301c connects the probe 301b and the needle body 301a, and is used to drive the probe 301b to move in a direction close to the second clamp 2.

[0070] In this embodiment, during the docking process between the probe 301b and the test interface, after the probe 301b contacts the test interface, the probe 301b is subjected to the force of the test interface to compress the second elastic member 301c, thereby forming a buffer for the probe 301b, thereby avoiding excessive impact between the probe 301b and the test interface, which may cause damage to the probe 301b or the test interface.

[0071] Optionally, the needle body 301a is configured as a sleeve structure, one end of the probe 301b is slidably disposed in the needle body 301a, and the other end of the probe 301b extends out of the needle body 301a. The second elastic member 301c is also disposed in the needle body 301a, and the end of the needle body 301a away from the probe 301b is closed, and the two ends of the second elastic member 301c are respectively against the needle body 301a and the probe 301b. Such a configuration makes the structure of the probe 301 more compact.

[0072] Furthermore, the probe 301b is provided with a shoulder at one end of the needle body 301a, and a limiting structure is provided at one end of the needle body 301a from which the probe 301b extends, and the limiting structure is used to limit the shoulder to prevent the probe 301b from falling out of the needle body 301a. The limiting structure can be a necking structure or a hole shoulder.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A burning clip, characterized in that: Used to connect with a circuit board provided with a test interface, comprising a first clamping body, a second clamping body, a joint and a first elastic member; The first clamp is movably connected to the second clamp, the connector is rotatably connected to the first clamp, the connector faces the second clamp and can approach or move away from the second clamp through the first clamp, the circuit board is placed between the connector and the second clamp, the rotation axis of the connector intersects with the circuit board, and the connector is used to dock with the test interface; The first elastic member connects the first clamping body and the second clamping body, and is used to drive the second clamping body to approach the joint.

2. The burning clip according to claim 1, characterized in that: The joint comprises a probe, a rotating disk and a spring sheet; Among them, the rotating disk is rotatably connected to the first clamp, the rotating disk is provided with a conductive ring arranged along the circumference of the rotating disk, the probe is arranged on the rotating disk and electrically connected to the conductive ring, the probe extends along the axial direction of the rotating disk, the spring sheet is connected to the first clamp, and the spring sheet abuts against the conductive ring.

3. The burning clip according to claim 2, characterized in that: The connector also includes a conductive member, a mounting hole for inserting the probe is provided on the rotating disk, a mounting groove is provided on the end surface of the rotating disk, one end of the mounting groove is connected to the mounting hole, and the other end of the mounting groove extends to the installation position of the conductive ring, and the conductive member is arranged in the mounting groove and connects the probe and the conductive ring.

4. The burning clip according to claim 3, characterized in that: An annular groove for accommodating the conductive ring is provided on the outer circumferential wall of the rotating disk, and the mounting groove communicates with the mounting hole and the annular groove.

5. The burning clip according to any one of claims 2 to 4, characterized in that: It also includes a cylindrical structure, which is connected to the first clamp, and the rotating disk is rotatably arranged in the cylindrical structure. The cylindrical structure is provided with a limiting device for axially limiting the rotating disk. The side wall of the cylindrical structure is provided with a through hole, and the spring sheet is installed on the side wall of the cylindrical structure and abuts against the conductive ring through the through hole.

6. The burning clip according to claim 5, characterized in that: The limiting device comprises an annular protrusion and a cover body; The annular protrusion is arranged on the inner wall of the cylindrical structure, the cover body is arranged at one end of the cylindrical structure, the rotating disk is arranged between the annular protrusion and the cover body, and the probe passes through the annular protrusion from one end of the cylindrical structure away from the cover body.

7. The burning clip according to claim 6, characterized in that: It also includes a handle, the probe is connected to the handle, the handle is rotatably connected to the cylinder structure, the cover body is provided with an escape opening, the handle passes through the escape opening and protrudes from the end surface of the cylinder structure.

8. The burning clip according to claim 6, characterized in that: The cylindrical structure is detachably connected to the first clamping body; And / or, the cover body is detachably connected to the cylinder structure.

9. The burning clip according to any one of claims 2 to 4, characterized in that: The number of the probes and the number of the rotating disks are both set to be multiple, the rotating disks are arranged in sequence along the axial direction of the probes, and the probes pass through all the rotating disks and are connected to the conductive rings of the corresponding rotating disks.

10. The burning clip according to any one of claims 2 to 4, characterized in that: The probe comprises a needle body, a probe head and a second elastic member; The needle body is connected to the rotating disk, the probe is slidably connected to the needle body, the probe is used to dock with the test interface, and the second elastic member connects the probe and the needle body and is used to drive the probe to move toward the second clamp.

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