A connection device for a probe module

Abstract

The present invention provides a connection device for a probe module, comprising a connection piece and a plurality of conductor pieces, each of which has the same or different lengths; the plurality of conductor pieces are stacked and arranged, and each of the conductor pieces is insulated and isolated; the connection piece is provided with a plurality of mutually insulated and isolated joints, the number of the joints is equal to the number of the conductor pieces, and each of the joints comprises an insulated and isolated first terminal and a second terminal; each of the conductor pieces is connected to the first terminal of a joint in a one-to-one correspondence. The conductor piece is used for connection, and since the conductor piece does not have the problem of broken wires, the phenomenon that the wire harness is prone to leakage in the prior art is overcome. At the same time, since the thermal conductivity of the conductor piece is better than that of the wire harness, the heat dissipation effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of probe module routing, in particular to a connection device for a probe module. Background Art

[0002] Current lithium battery manufacturing technology involves capacity testing, battery performance testing, etc. Most tests require the probe to contact the lithium battery, and then pass a large current to conduct a series of tests. In order to conduct large currents, a larger harness is usually connected to the probe harness terminal. The harness routing is to bend the test harness, and then weld it to each probe, and then tie the harnesses of each probe together, and finally wrap it with heat shrink tubing.

[0003] The defects of the prior art are mainly manifested in: 1. The probe wiring inside the needle plate is carried out using a wiring harness, and the test wiring harness is led to one end of the needle plate, which may cause safety hazards such as wiring harness overheating, affecting the heat dissipation of the probe and leakage between wiring harnesses; 2. The wiring harness is large in size and inconvenient for wiring; 3. The lead-out end of the wiring harness is only for a single direction, and it needs to use adapter materials to lead out in multiple directions. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a connection device for a probe module, which uses conductor sheets for transmission and is insulated from each other, thereby effectively avoiding problems such as leakage during wiring harness testing.

[0005] The present invention is implemented as follows: a probe module connection device, comprising

[0006] A plurality of conductor sheets, each of which has the same or different lengths; the plurality of conductor sheets are stacked and arranged, and each of the conductor sheets is insulated and isolated;

[0007] A connecting piece, wherein a plurality of mutually insulated and isolated joints are arranged on the connecting piece, the number of the joints is equal to the number of the conductor pieces, each of the joints comprises a first connecting terminal and a second connecting terminal which are insulated and isolated; each of the conductor pieces is connected to the first connecting terminal of one of the joints in a one-to-one correspondence.

[0008] Furthermore, it also includes a support frame; the support frame includes a first insulating pressing plate, a second insulating pressing plate and two columns;

[0009] The plurality of conductor sheets arranged in a stacked manner are clamped by the first insulating pressing plate and the second insulating pressing plate, and both ends of the first insulating pressing plate and the second insulating pressing plate are connected and fixed by two upright posts;

[0010] The connecting piece is fixedly connected to the second insulating pressing plate.

[0011] Furthermore, each of the conductor sheets is further provided with a first connecting conductor sheet, and the first connecting conductor sheets of the conductor sheets are located at the same or different positions and are the same or different in size;

[0012] The first connecting conductor sheet is fixedly connected to the first insulating pressing plate or the second insulating pressing plate.

[0013] Furthermore, a first through hole is provided on the first connecting conductor sheet; the first insulating plate and the second insulating plate are respectively provided with a first screw hole; the first connecting conductor sheet passes through the first through hole by a screw and is then locked in the first screw hole of the first insulating plate or the first screw hole of the second insulating plate.

[0014] Furthermore, each of the conductor sheets is further provided with a second connecting conductor sheet, and the second connecting conductor sheets of each of the conductor sheets are located at the same or different positions and are the same or different in size.

[0015] Furthermore, a second through hole is provided on the second connecting conductor plate; the first insulating pressure plate and the second insulating pressure plate are respectively provided with second screw holes; the first connecting conductor plate passes through the second through hole by a screw and is then locked in the second screw hole of the first insulating pressure plate or the second screw hole of the second insulating pressure plate.

[0016] Furthermore, each of the first connecting terminals is correspondingly connected to one of the first connecting conductor plates or the second connecting conductor plates.

[0017] Furthermore, the second insulating pressing plate is provided with a first mounting hole;

[0018] It also includes two shields, two end plates and a probe fixing plate for fixing the probe;

[0019] The left and right sides of the end plates are provided with penetrating rectangular slots; the two ends of the support frame respectively pass through one of the rectangular slots, and then the support frame is fixedly connected to the two end plates;

[0020] The probe fixing plate is fixedly connected to the bottom of the two end plates;

[0021] The two shields are fixedly connected to the front and rear ends of the two end plates.

[0022] Furthermore, an insulating plate is provided between two adjacent conductor sheets.

[0023] Furthermore, the conductor sheet is a copper sheet.

[0024] The present invention has the following advantages: a connection device for a probe module, comprising a connection piece and a plurality of conductor pieces, each of which has the same or different lengths; the plurality of conductor pieces are stacked and arranged, and each of the conductor pieces is insulated and isolated; the connection piece is provided with a plurality of mutually insulated and isolated joints, the number of the joints is equal to the number of the conductor pieces, and each of the joints comprises an insulated and isolated first terminal and a second terminal; each of the conductor pieces is connected to the first terminal of a joint in a one-to-one correspondence. The conductor piece is used for connection, and since the conductor piece does not have the problem of broken wires, the problem of leakage of the wiring harness in the prior art is overcome. At the same time, since the thermal conductivity of the conductor piece is better than that of the wiring harness, the heat dissipation effect is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with embodiments with reference to the accompanying drawings.

[0026] Figure 1 This is a schematic diagram of the effect of installing the connecting device described in the present invention on a capacity detection tray.

[0027] Figure 2 This is a specific connection diagram of the connection device described in the present invention installed on a capacity detection tray.

[0028] Figures 3 to 5 This is an exploded view of the connecting device described in the present invention.

[0029] Figures 6 to 8 It is a three-dimensional diagram of the connecting device described in the present invention.

[0030] Fig. 9 for Figure 8 A is a partial enlarged schematic diagram of the middle part.

[0031] Fig.10 It is a schematic diagram of the effect of connecting the connecting device and the probe module described in the present invention.

[0032] Fig.11 for Fig.10 A partial enlarged schematic diagram of B in the figure.

[0033] Fig.12 for Fig.11 A partial enlarged schematic diagram of C in the middle.

[0034] Description of reference numerals:

[0035] The connecting device 100,

[0036] Conductor sheet 1, first connecting conductor sheet 11, first through hole 111; second connecting conductor 12, second through hole 121;

[0037] Connecting piece 2, connector 21, first connecting terminal 211, second connecting terminal 212;

[0038] Support frame 3, first insulating plate 31, second insulating plate 32, first mounting hole 321, column 33;

[0039] A first screw hole 41; a second screw hole 42;

[0040] Insulation board 5;

[0041] End plate 6, rectangular notch 61, second mounting hole 62;

[0042] Probe fixing plate 7;

[0043] Shield 8;

[0044] Capacity detection device 200 , tray 201 , battery cell 202 , capacity detection tray 203 , probe 204 . DETAILED DESCRIPTION

[0045] See also Figures 1 to 12 As shown. Fig. 9 As shown, one of the first connecting terminal 211 and the second connecting terminal 212 is connected to the second connecting conductor 12 by a wire (not shown) so as to be conductive, and the other terminal is directly connected to the voltage line.

[0046] The inventive concept of the present invention: The present invention changes the wiring method from the traditional wiring to the conductor sheet 1 transmission, and the conductor sheets are insulated and separated, which effectively avoids the problems such as leakage during the wiring harness test. This is because the wiring harness is generally made up of several bundles of wires twisted together, which is prone to wire breakage and other phenomena and leakage, while the conductor sheet 1 does not have the problem of wire breakage. At the same time, the conductor sheet has good thermal conductivity, which fundamentally solves the safety hazards such as overheating of the wiring harness; the conductor sheet adopts a single probe corresponding to a single conductor sheet method, and multiple conductor sheets 1 are stacked and arranged, which can change the circular cross-section of the original wiring harness into a rectangular cross-section. Compared with the volume of the wiring harness, the volume of the conductive material is greatly reduced, which is convenient for optimizing the internal structure; the conductor sheet has strong plasticity and can lead out multi-directional signals without the need for switching.

[0047] A probe module connection device 100, comprising:

[0048] A plurality of conductor sheets 1, such as Figure 3 and Figure 4 As shown, the lengths of the conductor sheets 1 are the same or different; a plurality of the conductor sheets 1 are stacked and arranged, and the conductor sheets 1 are insulated and isolated from each other;

[0049] A connecting piece 2 is provided with a plurality of mutually insulated and isolated connectors 21, the number of the connectors 21 is equal to the number of the conductor pieces 1, and each connector 21 includes an insulated and isolated first terminal 211 and a second terminal 212; each conductor piece 1 is connected to the first terminal 211 of a connector 21 one by one. In a specific implementation, the first terminal 211 and the second terminal 212 of each connector 21 are connected to a probe, wherein the first terminal 211 is connected to a conductor piece 1, the conductor piece 1 is connected to a detection device for connecting a large current, and the second terminal 212 is directly connected to a voltage line, and the wiring method of the remaining probes is similar, the connecting device 100 of the present invention is connected to a probe module and a detection device, and the connecting device 100 of the present invention is installed on the detection device. Figure 1 and Figure 2 As shown, in a specific embodiment, the connecting device 100 is used for a capacity detection device 200 of a lithium battery, a battery cell 202 is mounted on a tray 201, and is located inside a capacity detection tray 203, and the connecting device is fixedly suspended above the capacity detection tray 203; for specific connection methods, see Figure 2 As shown, the upper part of the end plate 6 is fixed on the capacity detection material tray 203, and a rectangular notch 61 is opened in the middle of the end plate 6, the size of which corresponds to the size of the connecting device. The two ends of the connecting device 100 pass through the rectangular notches 61 of the end plates 6 on both sides, and after passing through the second mounting hole 62 and the first mounting hole on the side of the end plate 6 by screws (not shown), the connecting device 100 is locked and fixed on the two end plates 6, so that the connecting device 100 is fixed and suspended above the capacity detection material tray 203, wherein only the second insulating pressing plate 32 and the first insulating pressing plate 31 of the connecting device 100 are in contact with the two end plates 6, and the rest of the parts are not in contact, so as to be insulated and isolated from the end plates 6; the lower part of the connecting device 100 is welded with the lead wire of the probe 204, and the probe 204 is fixed on the probe fixing plate 7, and the two ends of the probe fixing plate 7 are fixedly connected to the lower part of the end plate 6, and the two sides are fixedly enclosed by the shield 8.

[0050] In a specific implementation, the conductor sheet 1 can be made of conductive metals such as copper sheets, aluminum sheets, etc., which can be selected according to actual usage requirements.

[0051] In a specific implementation, a preferred embodiment: further comprising a support frame 3; the support frame 3 comprises a first insulating plate 31, a second insulating plate 32 and two columns 33; Figure 3 and Figure 4As shown, the support frame 3 and the conductor sheet 1 are assembled into a rectangular structure, and the volume of the entire connecting device 3 in the horizontal direction is reduced, thereby reducing the floor space. This is because for a factory building, the area of ​​the horizontal plane is limited, while the height space above is more sufficient. The connecting device 100 is made into a rectangular structure. Compared with the circular cross-section of the wiring harness in the prior art, when a large current is met, the conductor of the same material is used. The present invention can reduce the length and width of the conductor sheet 1 in the horizontal direction and increase the thickness in the height direction. In this way, for the entire connecting device 100, when it is installed on the detection device, it is more convenient for the detection device to perform structural optimization to reduce the floor space.

[0052] like Figure 3 and Figure 4 In the embodiment shown, the conductor sheet 1 is bent into a Z-shape, with the middle elongated part hidden inside the support frame 3, and the lead-out ends on both sides can be fixedly connected to the first insulating plate 31 and the second insulating plate 32 on both sides. On this basis, the electrical signal conducted on the conductor sheet can be connected to other wiring harnesses in a variety of ways, such as welding and bolting. This achieves a variety of signal lead-out methods and avoids the problem that the traditional wiring harness lead-out bends must comply with a certain bending radius. The manufacturing material of the conductor sheet 1 can be copper, aluminum, aluminum alloy, etc., but is not limited thereto. In other embodiments, other conductive materials can also be used instead.

[0053] Except for the conductor sheet 1, the first connection conductor sheet 11 and the second connection conductor sheet 12 which are made of conductive materials, the remaining parts of the connection device 100 of the present invention are made of insulating materials, such as FR-4 (epoxy resin board), which has a good insulation effect and improves stability.

[0054] The plurality of conductor sheets 1 arranged in a stacked manner are clamped by the first insulating pressing plate 31 and the second insulating pressing plate 32, and the two ends of the first insulating pressing plate 31 and the second insulating pressing plate 32 are connected and fixed by the two upright posts 33;

[0055] The connecting piece 2 is fixedly connected to the second insulating pressing plate 32 .

[0056] Each of the conductor sheets 1 is further provided with a first connecting conductor sheet 11, and the first connecting conductor sheets 11 of the conductor sheets are located at the same or different positions and are the same or different in size;

[0057] The first connecting conductor plate 11 is fixedly connected to the first insulating pressing plate 31 or the second insulating pressing plate 32 .

[0058] The first connecting conductor sheet 11 has a first through hole 111; the first insulating plate 31 and the second insulating plate 32 have first screw holes 41 respectively; the first connecting conductor sheet 11 passes through the first through hole 111 through a screw (not shown) and is then fastened to the first screw hole 41 of the first insulating plate 31 or the first screw hole 41 of the second insulating plate 32. The first connecting conductor sheet 11 and the conductor sheet 1 are made of the same material.

[0059] When connected to the first insulating pressure plate, the first connecting conductor piece 11 serves as a connecting piece for fixing the conductor piece 1 to the supporting frame 3, and also serves as a connector for connecting the wires of the detection device. When connected to the second insulating pressure plate, the first connecting conductor piece 11 serves as a connecting piece for fixing the conductor piece 1 to the supporting frame 3, and also serves as a connecting piece for connecting the conductor piece 1 and the connector 21. In a specific implementation, the wires of the detection device can be directly locked and fixed by screws locked in the first through holes 111, and connected to the corresponding conductor piece 1, so that when the present invention is wiring, it can be directly connected to the first connecting conductor piece 11 on the side, without the need to bend the wire harness first and then connect it to the probe 204 like the existing wire harness. The bending of the wire harness makes it easy for the wire to break and leak.

[0060] Each of the conductor plates 1 is further provided with a second connecting conductor plate 12 , and the second connecting conductor plates 12 of each of the conductor plates 1 are located at the same or different positions and are the same or different in size.

[0061] A second through hole 121 is formed on the second connecting conductor 12; a second screw hole 42 is formed on the first insulating plate 31 and the second insulating plate 32 respectively; the first connecting conductor 11 passes through the second through hole 121 by a screw (not shown), and is then locked in the second screw hole 42 of the first insulating plate 31 or the second screw hole 42 of the second insulating plate 32.

[0062] When connected to the first insulating pressure plate, the second connecting conductor piece 12 serves as a connecting piece for fixing the conductor piece 1 to the supporting frame 3, and also serves as a connector for connecting the wires of the detection device. When connected to the second insulating pressure plate, the second connecting conductor piece 12 serves as a connecting piece for fixing the conductor piece 1 to the supporting frame 3, and also serves as a connecting piece for connecting the conductor piece 1 and the connector 21. In a specific implementation, the wires of the detection device can be directly locked and fixed by screws locked in the first through holes 111, and connected to the corresponding conductor piece 1, so that when the present invention is wiring, it can be directly connected to the second connecting conductor piece 11 on the side, without the need to bend the wire harness first and then connect it to the probe 204 like the existing wire harness. The bending of the wire harness makes it easy for the wire to break and leak.

[0063] Each of the first connecting terminals 211 is correspondingly connected to one of the first connecting conductor plates 11 or the second connecting conductor plates 12 .

[0064] The second insulating pressing plate 32 is provided with a first mounting hole 321; in a specific embodiment, the first mounting hole 321 is a screw hole;

[0065] It also includes two shields 8, two end plates 6 and a probe fixing plate 7 for fixing the probe 204;

[0066] The left and right sides of the end plate 6 are provided with penetrating rectangular slots 61; the two ends of the support frame 3 respectively pass through one of the rectangular slots 61, and then the support frame 3 is fixedly connected to the two end plates 6; in a specific embodiment, the front and rear end surfaces of the end plate 6 are symmetrically provided with second mounting holes 62; the second mounting hole 62 is a screw hole; a bolt (not shown) is locked into the second mounting hole 62 and then locked into the first mounting hole 321.

[0067] The probe fixing plate 7 is fixedly connected to the bottom of the two end plates 6; in a specific embodiment, the fixed connection is performed by screws.

[0068] The two shields 8 are fixedly connected to the front and rear ends of the two end plates 6 .

[0069] An insulating plate 5 is disposed between two adjacent conductor sheets 1 .

[0070] The conductor sheet 1 is a copper sheet.

[0071] In a specific embodiment, the conductor sheet 1 is a copper sheet. The connecting device 100 described in the present invention can be applied to existing chemical componentization: an employee places the battery cell 202 placed on the tray 201 into the capacity detection tray 203 through a slide rail. After the sensor of the capacity detection device 200 senses the material, the start button is pressed, and the probe 204 slowly descends under the drive of the cylinder until the probe effectively contacts the two poles of the battery cell. During the test, the probe routing method is changed from the traditional wiring harness method to the copper busbar conductive method composed of copper sheets to improve safety and stability.

[0072] Except for the conductor sheet 1, the first connection conductor sheet 11 and the second connection conductor sheet 12 which are made of conductive materials, the remaining parts of the connection device 100 of the present invention are made of insulating materials, such as FR-4 (epoxy resin board), which has a good insulation effect and improves stability.

[0073] The present invention solves the problems that the existing probe wiring inside the needle plate is carried out using a wiring harness, and the test wiring harness is led to one end of the needle plate, which may cause safety hazards such as wiring harness overheating, affecting the heat dissipation of the probe and leakage between wiring harnesses; the wiring harness is large in size and inconvenient for wiring; the wiring harness lead-out end is only for a single direction, and the lead-out in multiple directions requires the use of adapter materials, etc.

[0074] Although the specific implementation modes of the present invention are described above, those skilled in the art should understand that the specific implementation modes described are only illustrative and are not intended to limit the scope of the present invention. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A probe module connection device, characterized in that: include: A plurality of conductor sheets, each of which has the same or different lengths; the plurality of conductor sheets are stacked and arranged, and each of the conductor sheets is insulated and isolated; an insulating plate is provided between two adjacent conductor sheets; the conductor sheets are copper sheets; A connecting piece, wherein a plurality of mutually insulated and isolated joints are arranged on the connecting piece, the number of the joints is equal to the number of the conductor pieces, each of the joints comprises an insulated and isolated first wiring terminal and a second wiring terminal; each of the conductor pieces is connected to the first wiring terminal of one of the joints in a one-to-one correspondence; Support frame; the support frame includes a first insulating pressing plate, a second insulating pressing plate and two columns; The plurality of conductor sheets arranged in a stacked manner are clamped by the first insulating pressing plate and the second insulating pressing plate, and both ends of the first insulating pressing plate and the second insulating pressing plate are connected and fixed by two upright posts; The connecting piece is fixedly connected to the second insulating pressing plate; Each of the conductor plates is further provided with a first connecting conductor plate, and the first connecting conductor plates of the conductor plates are located at the same or different positions and are the same or different in size; The first connecting conductor sheet is fixedly connected to the first insulating pressing plate or the second insulating pressing plate; The first connecting conductor sheet is provided with a first through hole; the first insulating pressing plate and the second insulating pressing plate are provided with first screw holes respectively; the first connecting conductor sheet passes through the first through hole by means of a screw and is then locked in the first screw hole of the first insulating pressing plate or the first screw hole of the second insulating pressing plate; Each of the conductor plates is further provided with a second connecting conductor plate, and the second connecting conductor plates of the conductor plates are located in the same or different positions and are the same or different in size; The second connecting conductor sheet is provided with a second through hole; the first insulating pressing plate and the second insulating pressing plate are provided with second screw holes respectively; the second connecting conductor sheet is screwed through the second through hole and then locked in the second screw hole of the first insulating pressing plate or the second screw hole of the second insulating pressing plate; Each of the first connecting terminals is correspondingly connected to one of the first connecting conductor plates or the second connecting conductor plates; The second insulating pressing plate is provided with a first mounting hole; It also includes two shields, two end plates and a probe fixing plate for fixing the probe; The left and right sides of the end plates are provided with penetrating rectangular slots; the two ends of the support frame respectively pass through one of the rectangular slots, and then the support frame is fixedly connected to the two end plates; The probe fixing plate is fixedly connected to the bottom of the two end plates; The two shields are fixedly connected to the front and rear ends of the two end plates.

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