Electrical signal test pin mechanism

Abstract

The invention discloses an electrical signal test pin mechanism which comprises a first driving device and a pin assembly, the pin assembly comprises a first pin seat and a second pin seat, the first pin seat is provided with a first pin group, the second pin seat is provided with a second pin group, the first pin seat is provided with a first annular boss part, and the second pin seat is provided with a second annular boss part. The first annular boss part is provided with a first notch set, and the second annular boss part is provided with a second notch set. According to the electrical signal test pin mechanism, the automatic process of electrical signal transmission test of the tested product can be realized, and the problem of poor contact between the contact piece and the pin can be avoided; the first annular boss part and the second annular boss part play a waterproof and sealing role under the condition that contact of the contact pieces and the contact pins is not affected, the contact positions of the contact pieces and the contact pins are prevented from being exposed, and the connector is particularly suitable for electric signal transmission testing work of products in a hydraulic system or products needing to work in a humid environment.

Description

Technical Field

[0001] The present invention relates to the technical field of electric signal testing, and in particular to an electric signal testing pin mechanism. Background Art

[0002] Electrical signal testing mechanisms are widely used in circuits that require electrical signal sampling, especially in the field of power electronics technology. In the prior art, the interfaces of the tested products are varied, and generally a multi-core male and female plug docking method is used for stable connection and testing. However, this method requires interface calibration during the insertion process, which is inefficient and not suitable for automated equipment operation; another method is to use a pin to touch the contact point of the tested product, which can save wiring harness docking time, but the existing pin-type mechanism has the problem of not being waterproof, which is not suitable for some products that require electrical signal testing in hydraulic systems or humid environments. Summary of the invention

[0003] In view of this, the present invention aims to provide an electrical signal test pin mechanism to solve at least one of the technical problems in the prior art, such as low electrical signal test efficiency, unsuitability for automated equipment operation, and non-waterproofness.

[0004] The present invention provides an electrical signal testing pin mechanism, comprising a first driving device and a pin assembly, the pin assembly comprising a first needle seat and a second needle seat, the first needle seat being provided with a first pin group, the second needle seat being provided with a second pin group arranged opposite to the first pin group, the first needle seat being provided with a first annular boss portion surrounding the first pin group, the second needle seat being provided with a second annular boss portion surrounding the second pin group, the first driving device being drivingly connected to the first needle seat and the second needle seat, the first annular boss portion being provided with a first notch group corresponding to the position of the first pin group, the second annular boss portion being provided with a second notch group corresponding to the position of the second pin group; when the first annular boss portion is socketed with the second annular boss portion, the first notch group is aligned with the second notch group and forms a contact sheet via group.

[0005] Furthermore, it also includes a first position adjustment component, the first position adjustment component includes a first moving seat and a second moving seat, the first moving seat is connected to the first driving device, and the first moving seat and the second moving seat are slidably connected along a first direction.

[0006] Furthermore, the first positioning assembly also includes a first locking piece, a first sliding groove is provided on one of the first movable seat and the second movable seat, and a first locking hole is provided on the other, the first locking piece is slidably disposed in the first sliding groove, and the first locking piece is detachably connected to the first locking hole to lock the first movable seat and the second movable seat.

[0007] Furthermore, it also includes a second positioning assembly, which includes a second driving device and a first guide rail. The second movable seat is slidably connected to the first guide rail along a second direction, and the second driving device is used to drive the second movable seat to slide along the second direction.

[0008] Furthermore, the first pins in the first pin group and the second pins in the second pin group are both spring-type pin structures.

[0009] Furthermore, the first driving device is a pneumatic clamp, and the pneumatic clamp is provided with a first clamp and a second clamp, and the first needle seat and the second needle seat are connected to the first clamp and the second clamp respectively.

[0010] Furthermore, it includes a first terminal block and a first cable, the first terminal block is installed on the first needle block, the first needle block is provided with a first pin installation cavity, the first terminal block is provided with a first wire passing cavity, the first wire passing cavity is communicated with the first pin installation cavity, the first cable is located in the first wire passing cavity, the first end of the first cable is electrically connected to the first pin group, and the second end of the first cable is electrically connected to the terminal plug.

[0011] Furthermore, the first wiring seat is provided with a first wiring cavity and a first wiring hole, the first wiring cavity is communicated with the first wire passing cavity, the first wiring hole is communicated with the first wiring cavity, the first wiring hole is detachably connected to the wiring plug so that the wiring plug extends into the first wiring cavity, and the second end of the first cable extends into the first wiring cavity and is electrically connected to the wiring plug.

[0012] Furthermore, the first wiring seat is provided with a first opening, the first opening is communicated with the first wiring cavity, and the first opening is detachably connected with a first end cover.

[0013] Further, a first sealing member is provided between the first needle seat and the first wiring seat; and / or a second sealing member is provided between the first end cover and the first opening.

[0014] The electrical signal test pin mechanism of the present invention drives the first needle seat and the second needle seat through the first driving device, so that the first pin group and the second pin group move close to each other, thereby clamping the contact piece of the tested product to achieve contact and conduction, ensuring the stability of the electrical signal connection between the contact piece and the pin, avoiding the problem of poor contact, and the entire electrical signal transmission test process can be automatically realized, thereby improving the efficiency of the electrical signal transmission test; when the first annular boss portion and the second annular boss portion are mutually sleeved and matched, the first notch group and the second notch group are aligned and surround a contact piece via group, thereby being sleeved on each contact piece of the tested product, and without affecting the contact between the contact piece and the pin, the first annular boss portion and the second annular boss portion jointly play a waterproof sealing role to avoid the contact position of each contact piece and the pin from being exposed, which is particularly suitable for electrical signal transmission testing of products in hydraulic systems or products that need to work in a humid environment.

[0015] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In the drawings that are not necessarily drawn to scale, the same reference numerals may describe similar parts in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar parts. The drawings generally illustrate various embodiments by way of example and not limitation, and together with the specification and claims, are used to illustrate the disclosed embodiments. When appropriate, the same reference numerals are used throughout the drawings to refer to the same or similar parts. Such embodiments are illustrative and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method. The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their description are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 This is a structural schematic diagram of the electrical signal test pin mechanism of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of the product under test in the present invention;

[0019] Figure 3 It is a cross-sectional schematic diagram of the electrical signal test pin mechanism of the present invention;

[0020] Figure 4 It is a schematic diagram of the structure of the first needle seat and the second needle seat in the present invention;

[0021] Figure 5 is a cross-sectional schematic diagram of the first wiring socket in the present invention;

[0022] Figure 6 This is the second structural schematic diagram of the electrical signal test pin mechanism in the present invention;

[0023] Figure 7 It is a structural schematic diagram of the first needle seat in the present invention;

[0024] Figure 8 is a schematic structural diagram of the second needle seat in the present invention;

[0025] Fig. 9 It is a structural schematic diagram of the first driving device in the present invention;

[0026] Fig.10 is an exploded view of the first positioning assembly in the present invention;

[0027] Fig.11 This is the third structural schematic diagram of the electrical signal test pin mechanism in the present invention.

[0028] The above drawings include the following reference numerals:

[0029] 01, first sealing member; 02, second sealing member; 03, third sealing member;

[0030] 1. First drive device; 11. First clamping jaw; 12. Second clamping jaw; 2. Pin assembly; 20. Contact plate through-hole group; 21. First needle seat; 211. First pin group; 212. First annular boss portion; 2121. First notch group; 213. First pin installation cavity; 22. Second needle seat; 221. Second pin group; 222. Second annular boss portion; 2221. Second notch group; 223. Second pin installation cavity; 3. First positioning assembly; 31. First moving seat; 311. First slide groove; 32. Second moving seat; 321. First locking hole; 33. First locking piece; 4. Second positioning assembly; 41. Second drive device; 42. First guide rail; 5. First wiring seat; 51. First wire cavity; 52. First wiring cavity; 53. First wiring hole; 54. First opening; 55. First end cover; 6. First pressing plate;

[0031] 100. Product under test; 101. Contact piece; 200. Wiring plug. DETAILED DESCRIPTION

[0032] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings, but are not intended to limit the present invention.

[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0034] This specification may use the phrases "in one embodiment," "in another embodiment," "in a further embodiment," or "in other embodiments," which may all refer to one or more of the same or different embodiments according to the present invention.

[0035] The present invention provides an electrical signal test pin mechanism, comprising a first drive device 1 and a pin assembly 2, wherein the pin assembly 2 comprises a first pin seat 21 and a second pin seat 22, wherein the first pin seat 21 is provided with a first pin group 211, and the second pin seat 22 is provided with a second pin group 221 arranged opposite to the first pin group 211, wherein the first pin seat 21 is provided with a first annular boss portion 212 surrounding the first pin group 211, and the second pin seat 22 is provided with a second annular boss portion 222 surrounding the second pin group 221, The first driving device 1 is drivingly connected to the first needle seat 21 and the second needle seat 22, and the first annular boss portion 212 is provided with a first notch group 2121 corresponding to the position of the first pin group 211, and the second annular boss portion 222 is provided with a second notch group 2221 corresponding to the position of the second pin group 221; when the first annular boss portion 212 and the second annular boss portion 222 are sleeved and matched, the first notch group 2121 and the second notch group 2221 are aligned and surround a contact sheet via group 20.

[0036] Combination Figures 1 to 10 As shown, Figure 1 , Figures 3 to 6 , Figure 10 to Figure 11 The corresponding XYZ coordinate system is shown in the figure, which is only used as a reference to describe the orientation relationship between the components and does not limit the orientation of each component; Figure 2 An embodiment of a product under test is shown in FIG. 1 , which has a plurality of contact pieces 101 . The product under test can be subjected to an electrical signal test by the electrical signal test pin mechanism of the present invention.

[0037] Combination Figure 1As shown, the first drive device 1 can be designed as needed, for example, a pneumatic device or a hydraulic device can be used, which can drive the first needle seat 21 and the second needle seat 22 to move closer to each other to achieve a clamping action, and move away from each other to achieve a loosening action; Figure 3 As shown, the first pin holder 21 is provided with a first pin group 211, and the second pin holder 22 is provided with a second pin group 221. The first pin group 211 includes at least one first pin, and the second pin group 221 includes at least one second pin. Preferably, the first pin in the first pin group 211 and the second pin in the second pin group 221 are both spring-type pin structures, so that when the first pin and the second pin contact with the contact sheet 101 of the tested product 100, the contact sheet 101 can be pressed and fixed by elastic force, and damage to the contact sheet 101 caused by hard contact can be avoided; combined with Figure 7 and Figure 8 As shown, a rectangular ring-shaped first annular boss portion 212 is provided on the first needle seat 21, and a rectangular ring-shaped second annular boss portion 222 is provided on the second needle seat 22. The first annular boss portion 212 is arranged around the first pin group 211, and the second annular boss portion 222 is arranged around the second pin group 221. When the first driving device 1 drives the first needle seat 21 and the second needle seat 22 to approach each other to achieve a clamping action, the first annular boss portion 212 and the second annular boss portion 222 are sleeved and matched with each other (in this embodiment, the size of the first annular boss portion 212 is slightly larger than the second annular boss portion 222, so the first annular boss portion 212 can be sleeved on the outer side of the second annular boss portion 222, and optionally, the second annular boss portion 222 can also be sleeved on the outer side of the first annular boss portion 212); at the same time, a first notch group 2121 is provided on the first annular boss portion 212, and a second notch group 2221 is provided on the second annular boss portion 222. Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown, the first notch in the first notch group 2121 corresponds to the first pin in the first pin group 211 in the Y-axis direction, and the second notch in the second notch group 2221 corresponds to the second pin in the second pin group 221 in the Y-axis direction; after the first annular boss portion 212 and the second annular boss portion 222 are sleeved together, the combination Figure 1 As shown, the first notch group 2121 and the second notch group 2221 are aligned in the Y-axis direction (i.e., when viewed along the Y-axis direction, the first notch group 2121 and the second notch group 2221 have at least a partially overlapping area, and it is not limited here that the first notch group 2121 and the second notch group 2221 are exactly aligned), and surround the contact sheet via group 20, combined with Figure 6As shown (only the contact sheet 101 of the tested product 100 is shown in the figure for easy observation), at this time, the contact sheet 101 is inserted into the contact sheet via hole of the contact sheet via hole group 20, and contacts and conducts electricity with the first pin and the second pin.

[0038] The electrical signal test pin mechanism of the present invention drives the first pin seat 21 and the second pin seat 22 through the first driving device 1, so that the first pin group 211 and the second pin group 221 move close to each other, thereby clamping the contact sheet 101 of the tested product 100 to achieve contact and conduction, ensuring the stability of the electrical signal connection between the contact sheet 101 and the pin, avoiding the problem of poor contact, and the entire electrical signal transmission test process can be automatically realized, thereby improving the efficiency of the electrical signal transmission test; when the first annular boss portion 212 and the second annular boss portion 22 When they are sleeved together, the first notch group 2121 and the second notch group 2221 are aligned and enclose a contact sheet via group 20, so as to be sleeved on each contact sheet 101 of the tested product 100. Without affecting the contact between the contact sheet 101 and the plug pin, the first annular boss portion 212 and the second annular boss portion 222 play a waterproof sealing role together to avoid the contact position between each contact sheet 101 and the plug pin being exposed, which is particularly suitable for the electrical signal transmission test of products in hydraulic systems or products that need to work in a humid environment.

[0039] Furthermore, it also includes a first positioning assembly 3, which includes a first moving seat 31 and a second moving seat 32. The first moving seat 31 is connected to the first driving device 1, and the first moving seat 31 and the second moving seat 32 are slidably connected along a first direction.

[0040] As shown in combination 1, the first movable seat 31 and the first driving device 1 can be fixedly connected by any means such as bolt connection, welding, and clamping, and the first movable seat 31 and the second movable seat 32 are slidably connected by means such as slider rail connection, etc. In this embodiment, the first direction is the Z-axis direction in the figure. Optionally, the first movable seat 31 is driven by a driving device such as a motor or manually moved to slide along the first direction.

[0041] In this way, the positions of the first driving device 1 and the pin assembly 2 in the first direction are adjusted by moving the first moving seat 31 relative to the second moving seat 32 in the first direction.

[0042] Furthermore, the first positioning assembly 3 also includes a first locking piece 33, one of the first movable seat 31 and the second movable seat 32 is provided with a first sliding groove 311, and the other is provided with a first locking hole 321, the first locking piece 33 is slidably set in the first sliding groove 311, and the first locking piece 33 is detachably connected to the first locking hole 321 to lock the first movable seat 31 and the second movable seat 32.

[0043] In this embodiment, combined with Figure 1 and Fig.10 As shown, the first movable seat 31 is provided with a first slide groove 311, the first locking piece 33 is a bolt, and the second movable seat 32 is provided with a first locking hole 321, and the first locking hole 321 is a screw hole. The first locking piece 33 is passed through the first slide groove 311 and connected with the first locking hole 321. The first movable seat 31 can be locked on the second movable seat 32 by tightening the first locking piece 33, or the first movable seat 31 can slide in the first direction relative to the second movable seat 32 by loosening the first locking piece 33.

[0044] In this way, the first locking member 33 is used to realize locking and unlocking between the first movable seat 31 and the second movable seat 32 , thereby facilitating adjustment of the positions of the first driving device 1 and the pin assembly 2 in the first direction.

[0045] Furthermore, it also includes a second positioning component 4, which includes a second driving device 41 and a first guide rail 42. The second movable seat 32 is slidably connected to the first guide rail 42 along the second direction, and the second driving device 41 is used to drive the second movable seat 32 to slide along the second direction.

[0046] Combination Fig.11 As shown, the second movable seat 32 is slidably connected to the first guide rail 42 along the second direction, and the second direction is the X-axis direction in the figure. The second driving device 41 can be designed according to needs (such as a motor, etc.). The second driving device 41 can drive the second movable seat 32 to move along the second direction (i.e. guided by the first guide rail 42).

[0047] In this way, the second driving device 41 can drive the second movable seat 32 to slide and adjust along the second direction, and the first guide rail 42 plays a guiding role, thereby facilitating the adjustment of the positions of the first driving device 1 and the pin assembly 2 in the second direction.

[0048] Furthermore, the first driving device 1 is a pneumatic clamp, and the pneumatic clamp is provided with a first clamp 11 and a second clamp 12 , and the first needle seat 21 and the second needle seat 22 are connected to the first clamp 11 and the second clamp 12 respectively.

[0049] Combination Fig. 9 As shown, the first driving device 1 is a pneumatic clamp, which is provided with a first clamp 11 and a second clamp 12. The first clamp 11 and the second clamp 12 can be driven to move closer to or away from each other by compressed air, thereby driving the first needle seat 21 and the second needle seat 22 to achieve clamping or releasing action.

[0050] In this way, the clamping force of the first needle seat 21 and the second needle seat 22 to achieve the clamping action can be ensured by the pneumatic clamping jaws, which is beneficial to maintaining the sealing and waterproof effect.

[0051] Furthermore, it also includes a first terminal block 5 and a first cable, the first terminal block 5 is installed on the first needle block 21, the first needle block 21 is provided with a first pin installation cavity 213, the first terminal block 5 is provided with a first wire passing cavity 51, the first wire passing cavity 51 is communicated with the first pin installation cavity 213, the first cable is located in the first wire passing cavity 51, the first end of the first cable is electrically connected to the first pin group 211, and the second end of the first cable is electrically connected to the terminal plug 200.

[0052] Combination Figure 1 , Figure 3 As shown, the first terminal block 5 can be installed on the first needle seat 21 by means of bolts, welding, clamping, etc. The first needle seat 21 accommodates and installs the first pin through the first pin installation cavity 213. By setting a plurality of first pin installation cavities 213, a plurality of first pins constitute a first pin group 211. A first wire passing cavity 51 is provided in the first terminal block 5. The first wire passing cavity 51 is communicated with the first pin installation cavity 213. The first end of the first cable is electrically connected to the first pin group 211, and the second end of the first cable is electrically connected to the terminal plug 200 (an aviation plug is selected in this embodiment). The first cable is located in the first wire passing cavity 51.

[0053] In this way, the first cable is accommodated by the first cable passage cavity 51, so that the first cable is prevented from being exposed, and it is also convenient to organize the first cable, thereby ensuring the neatness of the cable.

[0054] Optionally, a first pressing plate 6 is further included. A second pin installation cavity 223 is provided on the second needle seat 22 . The first pressing plate 6 is installed on the second needle seat 22 to cover the second pin installation cavity 223 .

[0055] Combination Figure 3 As shown, the second pin is installed in the second pin installation cavity 223, and the second pins in the plurality of second pin installation cavities 223 constitute a second pin group 221, which is installed on the second pin seat 22 through the first pressing plate 6 and covers the second pin installation cavity 223, thereby achieving a sealing and waterproof effect. Preferably, a third sealing member 03 is provided between the first pressing plate 6 and the second pin seat 22, and the third sealing member 03 can adopt a structure such as a sealing ring to achieve a better sealing and waterproof effect.

[0056] In this way, the second plug pin installation cavity 223 is covered by the first pressing plate 6 to achieve a sealing and waterproof effect, thereby preventing water from contacting the second plug pin group 221 .

[0057] Furthermore, the first wiring seat 5 is provided with a first wiring cavity 52 and a first wiring hole 53, the first wiring cavity 52 is communicated with the first wire cavity 51, the first wiring hole 53 is communicated with the first wiring cavity 52, the first wiring hole 53 is detachably connected to the wiring plug 200 so that the wiring plug 200 extends into the first wiring cavity 52, and the second end of the first cable extends into the first wiring cavity 52 and is electrically connected to the wiring plug 200.

[0058] Combination Figure 3 As shown, the first wiring seat 5 is provided with a first wiring cavity 52 and a first wiring hole 53. The first wiring hole 53 can be detachably connected to the wiring plug 200 (for example, after the wiring plug 200 passes through the first wiring hole 53, it is connected to the wiring plug 200 by a nut to achieve detachable connection). The second end of the first cable can extend into the first wiring cavity 52, thereby achieving electrical connection with the wiring plug 200.

[0059] In this way, the first wiring cavity 52 accommodates the connection position of the first cable and the wiring plug 200 to avoid being exposed, facilitate arrangement, and ensure the neatness of the cable.

[0060] Preferably, a first opening 54 is provided on the first wiring seat 5 , the first opening 54 is communicated with the first wiring cavity 52 , and a first end cover 55 is detachably connected to the first opening 54 .

[0061] Combination Figure 1 , Figure 3 and Figure 5 As shown, the first wiring seat 5 is provided with a first opening 54, and the first opening 54 is correspondingly connected to the first wiring cavity 52, so that the connection position between the second end of the first cable and the wiring plug 200 can be maintained and inspected through the first opening 54, thereby facilitating the disassembly and assembly of the wiring plug 200, and the first end cover 55 can be detachably connected to the first opening 54, thereby playing a sealing and waterproof role and preventing the internal cable from being directly exposed.

[0062] Preferably, a first sealing member 01 is provided between the first needle seat 21 and the first wiring seat 5 , and / or a second sealing member 02 is provided between the first end cover 55 and the first opening 54 .

[0063] Combination Figure 3 and Figure 5 As shown, the first seal 01 (which may be a seal ring or other seals) achieves a better sealing and waterproof effect, preventing water from entering the interior from between the first needle seat 21 and the first terminal seat 5; the second seal 02 (which may be a seal ring or other seals) achieves a better sealing and waterproof effect, preventing water from entering the interior from between the first end cover 55 and the first opening 54.

[0064] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, rotated 90 degrees or in other orientations, and the spatially relative descriptions used herein are interpreted accordingly.

[0065] In addition to the above, it should be noted that "one embodiment", "another embodiment", "embodiment", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure or characteristic in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the present invention.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electrical signal test pin mechanism, characterized in that: The invention comprises a first driving device and a pin assembly, wherein the pin assembly comprises a first pin seat and a second pin seat, the first pin seat is provided with a first pin group, the second pin seat is provided with a second pin group arranged opposite to the first pin group, the first pin seat is provided with a first annular boss portion around the first pin group, the second pin seat is provided with a second annular boss portion around the second pin group, the first driving device is drivingly connected to the first pin seat and the second pin seat, the first annular boss portion is provided with a first notch group corresponding to the position of the first pin group, the second annular boss portion is provided with a second notch group corresponding to the position of the second pin group; when the first annular boss portion is socketed with the second annular boss portion, the first notch group is aligned with the second notch group and forms a contact sheet via group.

2. The electrical signal test pin mechanism according to claim 1, characterized in that: It also includes a first position adjustment component, which includes a first moving seat and a second moving seat. The first moving seat is connected to the first driving device, and the first moving seat and the second moving seat are slidably connected along a first direction.

3. The electrical signal test pin mechanism according to claim 2, characterized in that: The first positioning assembly also includes a first locking piece, a first slide groove is provided on one of the first movable seat and the second movable seat, and a first locking hole is provided on the other, the first locking piece is slidably disposed in the first slide groove, and the first locking piece is detachably connected to the first locking hole to lock the first movable seat and the second movable seat.

4. The electrical signal test pin mechanism according to claim 2, characterized in that: It also includes a second positioning assembly, which includes a second driving device and a first guide rail. The second movable seat is slidably connected to the first guide rail along a second direction, and the second driving device is used to drive the second movable seat to slide along the second direction.

5. The electrical signal test pin mechanism according to claim 1, characterized in that: The first pins in the first pin group and the second pins in the second pin group are both spring-type pin structures.

6. The electrical signal test pin mechanism according to claim 1, characterized in that: The first driving device is a pneumatic clamping jaw, on which a first clamping jaw and a second clamping jaw are provided, and the first needle seat and the second needle seat are connected to the first clamping jaw and the second clamping jaw respectively.

7. The electrical signal test pin mechanism according to claim 1, characterized in that: It also includes a first terminal block and a first cable, the first terminal block is installed on the first needle block, the first needle block is provided with a first pin installation cavity, the first terminal block is provided with a first wire passing cavity, the first wire passing cavity is communicated with the first pin installation cavity, the first cable is located in the first wire passing cavity, the first end of the first cable is electrically connected to the first pin group, and the second end of the first cable is electrically connected to the terminal plug.

8. The electrical signal test pin mechanism according to claim 7, characterized in that: The first wiring seat is provided with a first wiring cavity and a first wiring hole, the first wiring cavity is communicated with the first wire passing cavity, the first wiring hole is communicated with the first wiring cavity, the first wiring hole is detachably connected to the wiring plug so that the wiring plug can be extended into the first wiring cavity, and the second end of the first cable extends into the first wiring cavity and is electrically connected to the wiring plug.

9. The electrical signal test pin mechanism according to claim 8, characterized in that: The first wiring seat is provided with a first opening, the first opening is communicated with the first wiring cavity, and the first opening is detachably connected with a first end cover.

10. The electrical signal test pin mechanism according to claim 9, characterized in that: A first sealing member is provided between the first needle seat and the first wiring seat; and / or a second sealing member is provided between the first end cover and the first opening.

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