Compression contactor, probe row and electric contact device

Abstract

The utility model discloses a pressing contactor, a probe row and an electric contact device, and belongs to the technical field of photovoltaic cell production equipment. The pressing contactor comprises a pressing piece and a probe. Wherein the pressing member for providing a pressing force is arranged in the transverse direction, and the probe extends in the longitudinal direction. The probe is provided with a body and a conductive probe body; wherein the needle body is provided with a contact surface which is in electric contact with a grid line of a battery piece. And the needle body is configured to be telescopically matched with the body along the longitudinal direction, and the needle body in an extension state is driven to move downwards under the action of pressing force and tends to be in a compression state after abutting against the grid line through the contact surface. The pressing contactor can be in stable and effective contact with a photovoltaic battery piece in the using process, and the virtual contact condition is avoided.

Description

Technical Field

[0001] The embodiments of the utility model relate to the technical field of photovoltaic cell production equipment, especially the field of cell performance optimization. Specifically, the application relates to a clamping contactor, a probe row and an electrical contact device. Background Art

[0002] There are many production or testing processes in the various processing processes of the photovoltaic cell manufacturing process. And most of these processes require another process to be performed while forming an electrical connection with the grid line of the cell. The other process includes, for example, EL detection / electroluminescence detection (electrical connection and taking pictures at the same time), electrical injection annealing (electrical connection and irradiation with light source at the same time), power detection (electrical connection and illumination at the same time), etc.

[0003] The industry adopts the method of placing a conductive metal wire on the top of the battery cell and using the metal wire to contact the grid line of the battery cell. However, the contact effect of the metal wire is unstable and it is easy to have false contact, resulting in poor electrical connection effect. Utility Model Content

[0004] The present application aims to at least solve the problem of unstable contact and poor conductive connection during battery testing in the prior art. To this end, the example of the present application provides a clamping contactor, a probe row and an electrical contact device, which can achieve stable contact with the grid line of the cell when the photovoltaic cell is tested.

[0005] The solution of this application example is implemented through the following contents.

[0006] A compression contactor, comprising:

[0007] A pressing member arranged in the transverse direction, the pressing member is used to provide a pressing force; and

[0008] A probe extending longitudinally, the probe having a main body and a conductive needle body, the needle body being provided with a contact surface for electrically contacting the grid line of the battery cell, the needle body being constructed to be telescopically matched with the main body along the longitudinal direction, and the needle body in an extended state is driven to move downward under the action of the pressing force, and tends to be in a compressed state after contacting the grid line through the contact surface.

[0009] The compression contactor forms surface contact with the grid line of the battery sheet through the needle body. Since it can realize action through compression force during contact and provide force through the component realizing telescopic effect, it can stably contact with the grid line.

[0010] Since the pressing member is arranged horizontally and the probe is arranged vertically, it is possible to achieve good contact while advantageously designing and controlling the shielding of the surface of the battery cell, thereby reducing the negative impact on photoelectric conversion.

[0011] In this way, when testing the battery cell, the test equipment can form a stable electrical connection with the battery cell, so that the electrical performance or characteristics of the battery cell can be tested. At the same time, due to less obstruction of the battery cell, the photoelectric conversion environment of the battery cell under normal use can be more accurately reflected, so that the photoelectric conversion efficiency can more accurately and truly reflect the battery design parameters.

[0012] Optionally, the probe further includes an elastic member, the body has a cylindrical hole, the elastic member is disposed in the cylindrical hole, and one end of the needle body is inserted into the cylindrical hole and cooperates with the elastic member.

[0013] The probe is provided with an elastic member that can provide adaptive contraction and extension, and can provide a pressing force in a corresponding state, so the control and implementation are easy. The probe is designed so that the body and the elastic member are plugged in through a hole, so that damaged or different-specification elastic members can be easily replaced as needed to meet the needs of contacting different battery grid lines, thereby improving the flexibility of use and the overall service life.

[0014] Optionally, the pressing member has a limiting ring, the body has a flange that is snap-fitted with the limiting ring, and the pressing force is transferred to the flange through the limiting ring and applied to the probe.

[0015] Through the above configuration, the probe can be conveniently configured to the pressing member, and is also convenient to be disassembled and replaced when necessary.

[0016] Optionally, there are at least two probes, which are respectively engaged with the limiting ring; or, there are at least two probes, and needle bodies of at least two of the probes have different diameters.

[0017] By selectively configuring the number of probes in the clamping contactor, the scope of application and flexibility can be increased, and the contact effect when contacting the gate line can be improved.

[0018] Optionally, the pressing member has a first dimension measured along the longitudinal direction, and a second dimension measured in a direction perpendicular to a plane defined by the longitudinal direction and the transverse direction, and the second dimension is smaller than the first dimension.

[0019] The two-size design of the clamping piece provides good structural strength, thereby being able to increase the clamping force, thereby ensuring a good clamping effect and reducing the obstruction of light or the camera.

[0020] Optionally, the pressing piece further includes a wiring portion for connecting a wire, and the body and the pressing piece are both conductors; and / or the pressing piece is in the shape of a plate.

[0021] The configuration of the wiring part allows the external device to be directly configured to the clamping piece; if both the main body and the clamping piece are configured as conductors, the external device can also be connected to the main body, and then electrical conduction is achieved through the cooperation of the main body and the clamping piece, and then electrically connected to the battery grid line.

[0022] The present application also discloses a probe row of a row bar and at least one pressing contactor, wherein the pressing member of the pressing contactor is installed on the row bar.

[0023] Connecting the hold-down contactors with the row bars can facilitate the configuration and installation of the hold-down contactors. In particular, when multiple hold-down contactors need to be arranged, the hold-down contactors can be connected to the row bars and installed at the preset positions at the same time.

[0024] Optionally, the probe row further includes a fixing member, the pressing member is connected to the row rod via the fixing member, and both the fixing member and the row rod are conductors.

[0025] The fixing piece and the row rod are arranged as conductors, so that the external device can be electrically connected to the compression contactor through the fixing piece and the row rod. The fixing piece can be conveniently connected with other parts and components when the probe row is used.

[0026] Optionally, the fixing member includes an integrated first fixing portion and a second fixing portion, wherein: the first fixing portion is connected to the row rod, the second fixing portion is connected to the clamping member, the first fixing portion is provided with a waist hole, the row rod has a screw hole matching the waist hole; and / or the second fixing portion has a supporting portion that supports the clamping member.

[0027] The waist hole in the fixing piece cooperates with the logic hole, which can facilitate the adjustment of the position of the pressing contactor relative to the row rod. The support part can conveniently carry the pressing contactor, thereby improving the connection firmness between the pressing piece and the fixing piece.

[0028] Optionally, the pressing member includes an extension portion and a main body portion, and the pressing member is connected to the row rod through the main body portion, and is connected to the probe through the extension portion.

[0029] Optionally, the probe row further includes a fixing member, and the main body of the pressing member is connected to the row rod via the fixing member; and / or the fixing member is threadedly connected to the main body of the pressing member, and the fixing member is provided with a supporting portion that carries the main body.

[0030] The screw connection can be convenient for disassembly or it may be required for easy connection.

[0031] The present application also provides an electrical contact device including a frame and a probe row, wherein the probe row is installed on the frame.

[0032] Optionally, the rack includes a base and a mounting mechanism, the probe row is mounted on the mounting mechanism, and the mounting mechanism is connected to the base.

[0033] The mounting mechanism can be pre-designed to provide the desired connection method, as well as connection stability and ease of assembly and disassembly.

[0034] Optionally, the base includes a mounting plate and a fixing seat connected to each other, and the mounting mechanism is mounted on the fixing seat through a UVW adjustment platform; and / or, the mounting mechanism is a quadrilateral frame.

[0035] The use of the UVW adjustment platform can improve the flexibility of activities and movements, as well as the diversity of movements, so that the position and posture of the probe can be better adjusted and the gate line can be accurately docked.

[0036] Optionally, the mounting mechanism further includes an insulating suspension arm, and the probe row is mounted on the mounting mechanism via the suspension arm.

[0037] The insulated boom can isolate the mounting mechanism from the pin header, and considering that the pin header is also a conductor, it can prevent other equipment and components from being accidentally electrified and causing danger.

[0038] Optionally, the probe row is rotatably mounted at the end of the boom.

[0039] The probe row is rotatably connected to the suspension arm, so the probe row can be rotated by rotating the suspension arm, thereby switching whether the probe is in contact with the battery grid line, as well as the contact state or posture.

[0040] Optionally, there are two probe rows, which are symmetrically connected to the mounting mechanism.

[0041] The symmetrically arranged probe rows can make the contact positions of the probes on the battery grid lines identical and corresponding. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present application will become easy to understand. In the accompanying drawings, several embodiments of the present application are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0043] Figure 1 This is a schematic structural diagram of the coupling connection between the clamping contactor and the fixing member in an embodiment of the present application;

[0044] Figure 2 A schematic diagram of the structure of the clamping contactor and the fixing member in the embodiment of the present application being connected in cooperation from another viewing angle;

[0045] Figure 3 A schematic diagram of the structure of the clamping contactor and the fixing member in the embodiment of the present application being connected in cooperation from another viewing angle;

[0046] Figure 4 Public Figure 1 A schematic diagram of the structure of the fixing parts;

[0047] Figure 5 A schematic diagram of the structure of a probe row according to an embodiment of the present application;

[0048] Figure 6 A schematic diagram of the structure of an electrical contact device according to an embodiment of the present application;

[0049] Figure 7 It is a schematic structural diagram of an electrical contact device with a mounting plate and a fixing seat according to an embodiment of the present application.

[0050] Description of reference numerals:

[0051] 100-press contactor;

[0052] 10-probe; 101-body; 1011-flange;

[0053] 102-conductive needle body; 1021-contact surface;

[0054] 30-pressing member; 1031-extension portion; 1032-main body; 1033-connection portion; 1034-limiting ring;

[0055] 20-fixing member; 201-first fixing part; 202-second fixing part; 203-waist hole; 204-support part;

[0056] 400-probe row; 40-row rod; 401-screw hole;

[0057] 50-quadric frame; 51-jib;

[0058] 60-base; 601-mounting plate; 602-fixed seat; 603-UVW adjustment platform. DETAILED DESCRIPTION

[0059] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present disclosure.

[0060] The cell includes at least fine grid lines and may also include main grid lines. Currently, a conductive metal wire is arranged above the cell and the metal wire is used to contact the grid lines of the cell. However, the contact effect of the metal wire is unstable and it is easy to have false contact, resulting in poor electrical connection effect.

[0061] The electrical connection or electrical contact referred to in this application refers to the contact between the probe 10 and the grid line of the battery cell, so that the current can be conducted between the probe 10 and the battery cell, and the current direction is not limited. For example, a simulated sunlight module is set up, and the IV test instrument is connected to the probe 10 at the same time, so that the current and voltage generated by the battery cell when it is illuminated can be measured, so as to calculate the power; or, an EL detection camera is set up, and an external power supply is connected to the probe 10 to inject current into the battery cell. The EL detection camera can take pictures and detect the battery cell to determine problems such as hidden cracks in the cell body; or, a laser module is set up, and the external power supply applies a reverse voltage to the battery cell through the probe 10. Almost at the same time, the laser module irradiates the battery cell, which can optimize the grid line contact of the battery cell and improve the power generation efficiency of the battery cell.

[0062] In view of this, a new solution is proposed in this application, and please refer to Figures 1 to 7 To understand.

[0063] The scheme is described from aspects such as the clamping contactor, the probe row and the electrical contact device.

[0064] Press Contactor 100

[0065] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The main component of the compression contactor 100 is a probe 10 that is in electrical contact with the battery grid line. The probe 10 is in temporary contact with the grid line, so it can be easily removed after completing the electrical contact task, so it is easy to use.

[0066] And because the contact between the probe 10 and the grid line is a non-fixed connection mode, a clamping member 30 is also configured in the clamping contactor 100. The clamping member 30 can provide the probe 10 with a clamping force that acts on the probe 10 to be pressed onto the battery grid line. In an actual usage scenario, the clamping member 30 is configured in the horizontal direction, and correspondingly, the probe 10 extends in the longitudinal direction. For example, as expressed in the accompanying drawings, the clamping member 30 is arranged roughly horizontally, and the probe 10 is arranged vertically. Therefore, when the clamping member 30 is pressed downward, the clamping member 30 applies force to the probe 10, so that the probe 10 contacts the grid line in an extruding manner.

[0067] The probe 10 has a body 101 and a conductive needle body 102. The probe 10 cooperates with the pressing member 30 through the body 101, and the pressing force applied is transmitted through the body 101. The conductive needle body 102 is a component that directly contacts the battery grid line. In detail, the needle body has a contact surface 1021 for electrically contacting the grid line of the battery cell, so it directly contacts the battery grid line through the contact surface 1021.

[0068] In particular, the needle body is telescopically matched with the body 101 in the longitudinal direction. In this way, under the action of the pressing force provided by the pressing member 30, the needle body in the extended state can be driven to move downward (in the vertical direction), and can subsequently be in a compressed state after contacting the grid line of the battery cell through the contact surface 1021 of the conductive needle body 102. In the compressed state, the force transmitted to the needle body can be increased, and the battery grid line can be firmly contacted.

[0069] As a way for the needle body to telescopically cooperate with the main body 101, the probe 10 may also include an elastic member. Correspondingly, the main body 101 has a cylindrical hole; the elastic member is arranged in the cylindrical hole. And, one end of the needle body is inserted into the cylindrical hole and cooperates with the elastic member. Therefore, the needle body can be inserted into the cylindrical hole, and can even continue to go deeper to squeeze the elastic member, causing the elastic member to shrink and shorten; accordingly, the needle body is in a contracted state. Similarly, when the elastic member stretches, it will push the elastic member to move in the direction of separating from the main body 101, and the elastic member can even continue to stretch to push the needle body; accordingly, the needle body is in an extended state. In this case, the needle body can be in an extended state when it is not squeezed and contacted with the battery grid line.

[0070] In the clamping contactor 100, the clamping member 30 and the conductive needle body 102 can be fixedly connected and matched, or the two can be detachably connected and matched. And as an optional implementation method, the two are snap-fitted. For example, the clamping member 30 has a limiting ring, and the main body 101 has a flange 1011 that is snap-fitted with the limiting ring. Then, the way in which the clamping force of the clamping member 30 is applied can be limited to being transmitted to the flange 1011 through the limiting ring and applied to the probe 10. That is, the limiting ring clamps the flange 1011, and when the clamping member 30 applies a force downward, the limiting ring will resist the flange 1011, so that the probe 10 is subjected to a downward force.

[0071] In the clamping contactor 100, the number of probes 10 can be set to one or more (such as at least two) as needed so that they can be replaced when needed. These probes 10 can be respectively connected to the limiting ring. In particular, for the case of having multiple probes 10, such as at least two probes 10, it is advantageous to design the needle bodies of at least two probes 10 to have different diameters. This can be used to achieve contact with battery grid lines of different specifications. Alternatively, one or more conductive needle bodies 102 can be installed on the limiting ring of the clamping member 30. By selecting and configuring different numbers of probes 10, different contact areas 1021 with the grid lines can be achieved, and therefore different contact effects can be achieved.

[0072] On the other hand, a large area of ​​the contact surface 1021 may also result in more probes 10 and affect the irradiation of light onto the battery cell. Therefore, in order to control the shielding of the conductive needle body 102 on the light utilization of the battery cell, it is possible to consider optimizing the design of the external dimensions of the conductive needle body 102. It is also advantageous to design the clamping member 30 independently or in combination. For example, it is defined in this way that the clamping member 30 has a first dimension measured in the longitudinal direction and a second dimension measured in a direction perpendicular to the plane defined by the longitudinal and transverse directions. Therefore, the second dimension can be made smaller than the first dimension. Therefore, the area of ​​the clamping member 30 vertically projected on the surface of the battery cell is smaller, while the strength can still be maintained, thereby taking into account both structural strength and reducing shading. Alternatively, as another optimization scheme, the clamping member 30 can also be designed to be plate-shaped.

[0073] In addition to the above optimization, considering the use scenario of the clamping contactor 100, a wiring portion 1033 for connecting a wire can also be provided in the clamping member 30, so as to facilitate electrical connection with a battery testing device or an external power source. In such an example, the body 101 and the clamping member 30 can also be set as conductors, so that the clamping member 30 and the conductive needle body 102 can form a conductive path. The external device is directly electrically connected to the needle body, and the external device is adjusted to be connected to the clamping member 30.

[0074] Based on the above optimized compression contactor 100, it can be selected to be connected with other components. For example, since there are multiple gate lines on the battery cell and they are arranged regularly, multiple compression contactors 100 can be pre-setly connected, such as the probe row 400 discussed below.

[0075] Probe row 400

[0076] Exemplarily, the probe row 400 includes a row rod 40 and at least one pressing contactor 100, and the pressing member 30 of the pressing contactor 100 is mounted on the row rod 40, see Figure 5 .

[0077] For multiple contactors, they can be matched based on the spacing distance of the gate lines in the battery sheet. In this way, through a probe row 400, multiple contactors can be used to electrically contact the corresponding multiple gate lines at the same time.

[0078] Considering the connection mode between the row rod 40 and the contactor, in some cases, a fixing member 20 is selected to be configured in the probe row 400, so that the pressing member 30 is connected to the row rod 40 through the fixing member 20. For example, the pressing member 30 includes an extension 1031 and a main body 1032, so the pressing member 30 is connected to the row rod 40 through the main body 1032, and is connected to the probe 10 through the extension 1031. In other words, the main body 1032 of the pressing member 30 is connected to the row rod 40 through the fixing member 20. Among them, the fixing member 20 and the main body 1032 of the pressing member 30 can be threadedly connected, and are simply described as screwed.

[0079] Furthermore, in order to facilitate electrical connection through the row rod 40, the fixing member 20 and the row rod 40 can be both made of conductive material. Therefore, the external device can be connected to the row rod 40 to achieve electrical connection with the needle body in the contactor, and then electrically contact the gate line through the needle body.

[0080] In an optional embodiment, the fixing member 20 includes an integrated first fixing portion 201 and a second fixing portion 202; for example, two fixing portions are formed by machining using a block material. The first fixing portion 201 is connected to the row rod 40, and the second fixing portion 202 is connected to the pressing member 30. The second fixing portion 202 can also improve the stability of its connection with the pressing member 30 by providing a support portion 204 that supports the pressing member 30 (such as the main body 1032 of the pressing member 30).

[0081] Furthermore, in order to facilitate the adjustment of the relative position or spacing between the contactors, a waist hole 203 can be provided on the first fixing portion 201, and a screw hole 401 matching the waist hole 203 can be provided on the row rod 40. In this way, the position of the contactor on the row rod 40 can be adjusted by passing a screw through the screw hole 401 and fixing it at different positions of the waist hole 203.

[0082] After constructing the probe array 400 described above, we can proceed to discuss an example of its application—an electrical contact device.

[0083] Electrical contact device

[0084] The electrical contact device includes a frame and a probe row 400, and the probe row 400 is installed on the frame, see 6 and Figure 7 .

[0085] The rack can be constructed as a frame structure, made by metal welding, bolt connection, or plastic, resin, etc. In some examples, the rack includes a base 63 and a mounting mechanism, and on this basis, the probe row 400 is mounted on the mounting mechanism, and the mounting mechanism is connected to the base 63.

[0086] The base 63 may have a variety of structural implementations. For example, the base 63 includes a mounting plate 62 and a fixing seat 61 connected to each other. The mounting plate 62 facilitates the electrical contact device to be installed in other mechanisms or devices. The fixing seat 61 is configured so that the mounting mechanism can be installed and fixed thereon through the UVW adjustment platform 60. The UVW adjustment platform 60 may be supported and specifically implemented by the prior art, and will not be described in detail herein to avoid redundancy.

[0087] In the illustrated solution of the present application, the mounting mechanism can be implemented as a quadrilateral frame 50. In order to facilitate the connection of the probe row 400 and considering that the probe row 400 is a conductive structure, an insulating suspension arm 51 can also be configured in the mounting mechanism. In this way, the probe row 400 is mounted on the mounting mechanism through the suspension arm 51.

[0088] Through the above structure, UVW adjustment platform 60 can adjust the drive installation mechanism, and then also drive probe row 400 to move, such as lifting to achieve contact or separation between probe 10 and grid line. However, in some examples, such a mode of movement may require a larger displacement space and is inconvenient, therefore, alternatively, probe row 400 is configured to be rotatably mounted at the end of the boom 51. In this way, the row rod 40 is realized by the rotation of the boom 51, and then the probe 10 is driven to rotate. Through different rotation directions (such as forward or reverse), the battery grid line that probe 10 can contact, or leave the battery grid line. The rotation is realized for a driver to be also installed on the mounting frame or the insulating block, and the driver can drive the probe row 400 to rotate.

[0089] In addition, for the situation that there are multiple probe rows 400, and the situation that the grid line of the battery cell is electrically contacted at multiple positions, it can be dispersed and centrally arranged to the installation mechanism as needed. For example, consider that the battery cell is a roughly rectangular structure, and the grid line is arranged along the direction of one side of the battery cell or in other words, parallel to the direction of one side of the battery. When the probe 10 contacts the grid line of the battery cell, it can contact the head and tail of the grid line. In this way, the probe row 400 can be designed to have two, and the two are symmetrically connected to the installation mechanism, and are electrically contacted with the grid lines located at two opposite edges of the battery cell respectively. When both probe rows 400 have a driver, the first probe row 400 is driven to leave the battery cell first, and the second probe row 400 is driven and electrically contacts the grid line of the battery cell. After the process is processed for the first time, the first probe row 400 is driven and electrically contacts the grid line of the battery cell, and the second probe row 400 is driven to leave the battery cell, and the process is finished after the second time. Through the characteristic that the grid line can conduct current, there is no need to contact the ends of the grid lines on both sides at the same time, and the process can also be completed, which significantly reduces the shielding of the probe 10.

[0090] In the above description of the present application, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected" or "connected" and the like should be understood in a broad sense. For example, with regard to the term "connection", it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. Therefore, unless otherwise clearly defined in the present application, those skilled in the art can understand the specific meanings of the above terms in the present application according to the specific circumstances.

[0091] According to the above description of the present application, those skilled in the art may also understand that the terms used below, such as "upper", "lower", "length", "width", "top", "bottom", "inside", "outside", "axial", "longitudinal", "horizontal", "clockwise" or "counterclockwise", etc., which indicate the orientation or position relationship, are based on the orientation or position relationship shown in the drawings of the present application. It is only for the purpose of facilitating the explanation of the scheme of the present application and simplifying the description, rather than explicitly or implicitly indicating that the device or element involved must have the specific orientation, be constructed and operate in a specific orientation, so the above-mentioned orientation or position relationship terms cannot be understood or interpreted as limiting the scheme of the present application.

[0092] In addition, the terms "first" or "second" used in this application to refer to numbers or ordinals are only used for convenience of description and cannot be understood as explicitly or implicitly indicating relative importance or implicitly indicating the number of technical features indicated. At the same time, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this application, the meaning of "plurality" is at least two, such as two, three or more, etc., unless otherwise clearly and specifically defined.

[0093] Although multiple embodiments of the present application have been shown and described herein, it will be appreciated by those skilled in the art that such embodiments are provided only by way of example. Those skilled in the art may think of many combinations, changes, alterations and substitutions without departing from the thought and spirit of the present application. It should be understood that in the process of practicing the present application, various alternatives to the embodiments of the present application described herein may be adopted. The attached claims are intended to define the scope of protection of the present application, and therefore cover equivalents or alternatives within the scope of these claims.

Claims

1. A clamping contactor, characterized in that: include: A pressing member arranged in the transverse direction, the pressing member is used to provide a pressing force; as well as, A probe extending in the longitudinal direction, the probe having a main body and a conductive needle body, the needle body being provided with a contact surface for electrically contacting the grid line of the battery cell, the needle body being constructed to be telescopically matched with the main body in the longitudinal direction, and the needle body in an extended state is driven to move downward under the action of the pressing force, and tends to be in a compressed state after contacting the grid line through the contact surface.

2. The compression contactor according to claim 1, characterized in that: The probe further comprises an elastic member, the body has a columnar hole, the elastic member is arranged in the columnar hole, and one end of the needle body is inserted into the columnar hole and matched with the elastic member.

3. The compression contactor according to claim 1, characterized in that: The pressing member has a limiting ring, the body has a flange that is snap-fitted with the limiting ring, and the pressing force is transferred to the flange through the limiting ring and applied to the probe.

4. The compression contactor according to claim 3, characterized in that: The number of the probes is at least two, and they are respectively engaged with the limiting ring; Alternatively, the number of the probes is at least two, and the needle bodies of at least two of the probes have different diameters.

5. The compression contactor according to claim 1, characterized in that: The pressing member has a first dimension measured along the longitudinal direction, and a second dimension measured in a direction perpendicular to a plane defined by the longitudinal direction and the transverse direction, wherein the second dimension is smaller than the first dimension.

6. The compression contactor according to claim 1, characterized in that: The clamping member further comprises a connection portion for connecting a wire, and both the body and the clamping member are conductors; and / or the clamping member is in the shape of a plate.

7. A probe row, characterized in that: include: Row of poles; At least one hold-down contactor according to any one of claims 1 to 6, wherein the hold-down member of the hold-down contactor is mounted on the row bar.

8. The probe row according to claim 7, characterized in that: The probe row further comprises a fixing member, the pressing member is connected to the row rod via the fixing member, and both the fixing member and the row rod are conductors.

9. The probe row according to claim 8, characterized in that: The fixing member comprises an integrated first fixing portion and a second fixing portion, wherein: The first fixing part is connected to the row rod, and the second fixing part is connected to the clamping piece. The first fixing part is provided with a waist hole, and the row rod has a screw hole matching the waist hole; and / or the second fixing part has a supporting part for supporting the clamping piece.

10. The probe row according to claim 7, characterized in that: The pressing member comprises an extension portion and a main body portion. The pressing member is connected to the row rod through the main body portion and is connected to the probe through the extension portion.

11. The probe row according to claim 10, characterized in that: The probe row also includes a fixing member, and the main body of the pressing member is connected to the row rod through the fixing member; And / or, the fixing member is threadedly connected to the main body of the pressing member, and the fixing member is provided with a supporting portion that carries the main body.

12. An electrical contact device, characterized in that: include: frame; as well as The probe row according to any one of claims 7 to 11, wherein the probe row is mounted on the frame.

13. The electrical contact device according to claim 12, characterized in that The rack comprises a base and a mounting mechanism, the probe row is mounted on the mounting mechanism, and the mounting mechanism is connected to the base.

14. The electrical contact device according to claim 13, characterized in that The base comprises a mounting plate and a fixing seat connected to each other, and the mounting mechanism is mounted on the fixing seat through a UVW adjustment platform; And / or, the mounting mechanism is a quadrilateral frame.

15. The electrical contact device according to claim 13, characterized in that The mounting mechanism further comprises an insulating suspension arm, and the probe row is mounted on the mounting mechanism via the suspension arm.

16. The electrical contact device according to claim 15, characterized in that The probe row is rotatably mounted at the end of the boom.

17. The electrical contact device according to claim 16, characterized in that The probe rows have two and are symmetrically connected to the mounting mechanism.

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