Sampling piece, controller, electric assembly and vehicle

Abstract

The utility model discloses a sampling piece, a controller, an electric assembly and a vehicle, the sampling piece comprises a shell, a first pin and a second pin, and one end of the shell is open; one end of the first pin and one end of the second pin are fixedly connected to the shell, and the other end of the first pin and the other end of the second pin extend towards the direction of the opening; the first pins and the second pins are arranged at intervals. According to the sampling piece provided by the embodiment of the utility model, the first pin and the second pin are integrated into the shell, and the first pin and the second pin are arranged at an interval, so that an electric gap between the first pin and the second pin can be ensured, the sampling safety of the sampling piece can be ensured, the installation mode of the sampling piece can be simple, and the sampling piece is convenient to install. The installation efficiency of the sampling piece can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and in particular to a sampling component, a controller, an electric assembly and a vehicle. Background Art

[0002] In the related art, the control board in the controller has multiple high-voltage sampling functions. Due to high-voltage sampling, the control board must meet the electrical clearance. One solution is to use screws to install the connecting wires to the control board separately, which is a cumbersome installation method; the other is to use pin headers to weld multiple wire harnesses on the control board, which is a cumbersome installation method, and this connection method has high requirements for the vertical direction. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a sampling member that can not only ensure the safety of the sampling member during sampling, but also simplify the installation of the sampling member and improve the installation efficiency of the sampling member.

[0004] The utility model also provides a controller with the sampling component.

[0005] The utility model also provides an electric assembly with the controller.

[0006] The utility model also provides a vehicle with the electric assembly.

[0007] According to the sampling piece of the first aspect of the utility model, the sampling piece includes: a shell, one end of which is open; a first pin and a second pin, one end of the first pin and one end of the second pin are fixedly connected to the shell, and the other end of the first pin and the other end of the second pin extend toward the direction of the opening; the first pin and the second pin are arranged at intervals.

[0008] According to the sampling piece of the embodiment of the utility model, the first pin and the second pin are integrated into the shell, and the first pin and the second pin are arranged at an interval, which can ensure the electrical gap between the first pin and the second pin, which can not only ensure the safety of the sampling piece during sampling, but also make the installation method of the sampling piece simple, and improve the installation efficiency of the sampling piece.

[0009] According to some embodiments of the utility model, a third pin is further included, one end of the third pin is fixedly connected to the shell, and the other end extends toward the opening, the third pin is spaced apart from the first pin, and the third pin is spaced apart from the second pin.

[0010] According to some embodiments of the present invention, at least one stitch hole is provided between the first stitch and the second stitch, between the first stitch and the third stitch, and between the second stitch and the third stitch.

[0011] According to some embodiments of the present utility model, in the direction from the first pin to the third pin, the second pin is located between the first pin and the third pin, and the spacing between the first pin and the second pin is a, satisfying: 8.8mm≤a≤9.2mm; the spacing b between the first pin and the third pin satisfies: 19.7mm≤b≤20.3mm; the spacing c between the second pin and the third pin satisfies: 10.8mm≤c≤11.2mm.

[0012] According to some embodiments of the utility model, the first stitch, the second stitch and the third stitch are arranged in multiple rows, the first stitch and the third stitch are located in the first row, the second stitch is located in the second row, and in the direction from the first stitch to the third stitch, at least one stitch hole is provided between the first stitch and the second stitch in the second row; at least one stitch hole is provided between the first stitch and the third stitch in the first row; and at least one stitch hole is provided between the second stitch and the third stitch in the second row.

[0013] According to some embodiments of the utility model, in the second row, the stitch hole between the first stitch and the second stitch is a first stitch hole; in the first row, the stitch hole between the first stitch and the third stitch is a second stitch hole; in the second row, the stitch hole between the second stitch and the third stitch is a third stitch hole, wherein, in the direction from the first stitch to the third stitch, the numbers of the first stitch hole, the second stitch hole and the third stitch hole are all multiple, the distance between two adjacent first stitch holes is h1, the distance between two adjacent second stitch holes is h2, and the distance between two adjacent third stitch holes is h3, satisfying: h2>h1, and / or, h1=h3.

[0014] According to some embodiments of the utility model, in a first direction, the first pin and the third pin are respectively arranged close to the edges of both sides of the shell, and the second pin is located between the first pin and the third pin and is arranged close to the middle of the shell.

[0015] The controller according to the second aspect of the present invention comprises: a control board, the control board comprises a sampling circuit, and a sampling component according to the first aspect of the present invention, the sampling component is mounted on the control board and electrically connected to the sampling circuit.

[0016] According to the controller of the embodiment of the utility model, by providing the above-mentioned sampling member, not only the safety of the sampling member during sampling can be ensured, but also the installation method of the sampling member can be simplified, thereby improving the installation efficiency of the sampling member.

[0017] According to some embodiments of the utility model, it also includes a first signal line, a second signal line, a bus capacitor and a resistor, one end of the first signal line is connected to the first pin, one end of the second signal line is connected to the second pin, the other end of the first signal line is connected to the positive electrode of the bus capacitor, the other end of the second signal line is connected to the negative electrode of the bus capacitor, and the resistor is connected to the bus capacitor.

[0018] According to some embodiments of the utility model, a third signal line is further included. The sampling component is the sampling component according to the first aspect of the utility model. One end of the third signal line is connected to the third pin, and the other end of the third signal line is connected to the positive pole of the battery.

[0019] The electric assembly according to the embodiment of the third aspect of the utility model includes: a controller according to the embodiment of the second aspect of the utility model.

[0020] According to the electric assembly of the embodiment of the utility model, by providing the above-mentioned controller, the safety of the sampling component when collecting the voltage of the bus capacitor and the voltage of the battery can be guaranteed, thereby improving the safety of the electric assembly when working.

[0021] A vehicle according to an embodiment of the fourth aspect of the utility model includes: an electric assembly according to an embodiment of the third aspect of the utility model.

[0022] According to the vehicle of the embodiment of the utility model, the safety of the vehicle during operation can be ensured by providing the above-mentioned electric assembly.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0025] Figure 1 is a schematic diagram of a controller according to an embodiment of the utility model;

[0026] Figure 2 is a schematic diagram of a sampling member according to an embodiment of the utility model;

[0027] Figure 3 yes Figure 2 Schematic diagram of a sample part in FIG, showing the relative dimensions of the pins and pin holes.

[0028] Reference numerals:

[0029] 100. Controller;

[0030] 11. Control board; 111. Sampling circuit; 12. Bus capacitor; 13. Resistance;

[0031] 20. sampling member; 21. housing; 221. opening; 23. first pin; 24. second pin; 25. third pin; 32. pin hole; 321. first pin hole; 322. second pin hole; 323. third pin hole;

[0032] 41. A first signal line; 42. A second signal line; 43. A third signal line. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0034] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0035] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] Reference below Figure 1-Figure 3 The sampling member 20 according to the embodiment of the present invention is described.

[0037] Reference Figure 1-Figure 3 According to the first embodiment of the utility model, the sampling member 20 includes a housing 21, a first pin 23 and a second pin 24. One end of the housing 21 has an opening 221. One end of the first pin 23 and one end of the second pin 24 are fixedly connected to the housing 21. The other end of the first pin 23 and the other end of the second pin 24 extend toward the opening 221, so as to facilitate sampling through the first pin 23 and the second pin 24. For example, the first pin 23 and the second pin 24 can be integrally injection molded on the housing 21.

[0038] The first pin 23 and the second pin 24 are arranged at intervals, which can ensure the electrical gap between the first pin 23 and the second pin 24, and can ensure the safety of the sampling of the sampling member 20; the first pin 23 and the second pin 24 can also be integrated together, and the sampling member 20 only needs to be assembled as a whole, which can simplify the installation method of the sampling member 20 and improve the installation efficiency of the sampling member 20. For example, a spacing space can be provided between the first pin 23 and the second pin 24 to separate the first pin 23 and the second pin 24.

[0039] According to the sampling piece 20 of the embodiment of the utility model, the first pin 23 and the second pin 24 are integrated into the shell 21, and the first pin 23 and the second pin 24 are arranged at intervals, which can ensure the electrical gap between the first pin 23 and the second pin 24, which can not only ensure the safety of sampling of the sampling piece 20, but also make the installation method of the sampling piece 20 simple, and can improve the installation efficiency of the sampling piece 20.

[0040] According to some embodiments of the present invention, referring to Figure 2-Figure 3 The sampling piece 20 also includes a third pin 25, one end of the third pin 25 is fixedly connected to the shell 21, and the other end of the third pin 25 extends toward the direction of the opening 221. The first pin 23 and the third pin 25 are arranged at intervals, which can ensure the electrical gap between the first pin 23 and the third pin 25; the second pin 24 and the third pin 25 are also arranged at intervals, which can ensure the electrical gap between the second pin 24 and the third pin 25, and can ensure the safety of the sampling piece 20 during sampling; the first pin 23, the second pin 24 and the third pin 25 can also be integrated into the sampling piece 20, and the sampling piece 20 only needs to be assembled as a whole, which can make the installation method of the sampling piece 20 simple and improve the installation efficiency of the sampling piece 20.

[0041] According to some embodiments of the present invention, referring to Figure 2-Figure 3At least one stitch hole 32 is provided between the first stitch 23 and the second stitch 24, between the first stitch 23 and the third stitch 25, and between the second stitch 24 and the third stitch 25. One stitch hole 32 may be provided between the first stitch 23 and the second stitch 24, between the first stitch 23 and the third stitch 25, and between the second stitch 24 and the third stitch 25. Alternatively, a plurality of stitch holes 32 may be provided between the first stitch 23 and the second stitch 24, between the first stitch 23 and the third stitch 25, and between the second stitch 24 and the third stitch 25.

[0042] The pin hole 32 is used to separate the first pin 23 and the second pin 24, the first pin 23 and the third pin 25, and the second pin 24 and the third pin 25, so as to ensure the electrical clearance between the first pin 23 and the second pin 24, between the first pin 23 and the third pin 25, and between the second pin 24 and the third pin 25.

[0043] In the related art, the sampling piece 20 may be a low-voltage sampling piece, and the intervals between adjacent pins of the low-voltage sampling piece are small, and the electrical clearance between adjacent pins cannot be guaranteed. In the present application, at least one pin between the first pin 23 and the second pin 24, between the first pin 23 and the third pin 25, and between the second pin 24 and the third pin 25 may be removed, and at least one pin hole 32 may be retained, so that the sampling piece 20 of the present application can be used for high-voltage sampling.

[0044] According to some embodiments of the present invention, referring to Figure 2-Figure 3 In the direction from the first pin 23 to the third pin 25, the second pin 24 is located between the first pin 23 and the third pin 25, and the spacing between the first pin 23 and the second pin 24 is a, which satisfies: 8.8mm≤a≤9.2mm; the spacing b between the first pin 23 and the third pin 25 satisfies: 19.7mm≤b≤20.3mm; the spacing c between the second pin 24 and the third pin 25 satisfies: 10.8mm≤c≤11.2mm.

[0045] When the values ​​of a, b, and c meet the above requirements, the electrical clearances between the first pin 23 and the second pin 24, between the first pin 23 and the third pin 25, and between the second pin 24 and the third pin 25 can be met. For example, the spacing a between the first pin 23 and the second pin 24 can be 8.8 mm, 8.9 mm, 9.0 mm, 9.1 mm, 9.14 mm, or 9.2 mm, etc., preferably 9.14 mm; the spacing b between the first pin 23 and the third pin 25 can be 19.7 mm, 19.75 mm, 20.0 mm, 20.1 mm, 20.2 mm, or 20.3, etc., preferably 19.75 mm; the spacing c between the second pin 24 and the third pin 25 can be 10.8 mm, 10.9 mm, 11.0 mm, 11.07 mm, 11.1 mm, or 11.2 mm, etc., preferably 11.07 mm.

[0046] According to the data in standard JISC 60664-1, the minimum creepage distance required to meet the rated voltage of 850V AC is 7.1mm. The values ​​of a, b, and c are all greater than 7.1mm, which can meet the creepage distance required for the rated voltage of 850V AC.

[0047] According to some embodiments of the present invention, referring to Figure 2-Figure 3 The first pin 23, the second pin 24 and the third pin 25 are arranged in multiple rows, the first pin 23 and the third pin 25 are located in the same row as the first row, the second pin 24 is located in another row as the second row, and in the direction from the first pin 23 to the third pin 25, at least one pin hole 32 is provided between the first pin 23 and the second pin 24 and in the second row, so as to ensure the electrical clearance between the first pin 23 and the second pin 24. For example, four pin holes 32 are provided between the first pin 23 and the second pin 24 and in the second row.

[0048] At least one pin hole 32 is provided in the first row between the first pin 23 and the third pin 25 to ensure an electrical gap between the first pin 23 and the third pin 25. For example, four pin holes 32 are provided in the first row between the first pin 23 and the third pin 25.

[0049] At least one pin hole 32 is provided in the second row between the second pin 24 and the third pin 25 to ensure an electrical gap between the second pin 24 and the third pin 25. For example, five pin holes 32 are provided in the second row between the second pin 24 and the third pin 25.

[0050] In the related art, the sampling piece 20 can be a 16-pin low-pressure sampling piece, in which 16 pins are defined, and the 16 pins are arranged in multiple rows and columns in the bottom wall of the low-pressure sampling piece. The 16 pins are arranged in two rows and multiple columns in an irregular arrangement in the bottom wall of the low-pressure sampling piece, where one row has 6 pins and the other row has 10 pins. The first stitch 23 and the third stitch 25 are located in the same row, and in the direction from the first stitch 23 to the third stitch 25, four stitches are arranged between the first stitch 23 and the third stitch 25. By removing the four stitches between the first stitch 23 and the third stitch 25, four stitch holes 32 can be retained; the first stitch 23 and the second stitch 24 are not in the same row, and four stitches are arranged between the first stitch 23 and the second stitch 24. By removing the four stitches between the first stitch 23 and the second stitch 24, four stitch holes 32 can be retained; the second stitch 24 and the third stitch 25 are not in the same row, and five stitches are arranged between the second stitch 24 and the third stitch 25. By removing the five stitches between the second stitch 24 and the third stitch 25, five stitch holes 32 can be retained. Finally, the first stitch 23, the second stitch 24, the third stitch 25 and 13 stitch holes 32 are arranged in the sampling piece 20, and the second stitch 24 is located between the first stitch 23 and the third stitch 25.

[0051] According to some embodiments of the present invention, referring to Figure 2-Figure 3 , in the second row, the stitch hole 32 between the first stitch 23 and the second stitch 24 is the first stitch hole 321; in the first row, the stitch hole 32 between the first stitch 23 and the third stitch 25 is the second stitch hole 322; in the second row, the stitch hole 32 between the second stitch 24 and the third stitch 25 is the third stitch hole 323, wherein, in the direction from the first stitch 23 to the third stitch 25, the number of the first stitch hole 321, the second stitch hole 322 and the third stitch hole 323 are all spaced apart and arranged in plurality, the distance between two adjacent first stitch holes 321 is h1, the distance between two adjacent second stitch holes 322 is h2, and the distance between two adjacent third stitch holes 323 is h3, satisfying: h2>h1, h1=h3, i.e., h2>h3.

[0052] The second pin 24 is located between the first pin 23 and the third pin 25, and the first pin 23 and the third pin 25 are located in the same row, and the second pin 24 is located in another row, h2>h1, h2>h3, the distance between two adjacent second pin holes 322 is larger, the distance between two adjacent first pin holes 321 is smaller, and the distance between two adjacent third pin holes 323 is also smaller, which can meet the electrical clearance between the first pin 23 and the third pin 25, the electrical clearance between the second pin 24 and the third pin 25, and the electrical clearance between the second pin 24 and the third pin 25.

[0053] According to some embodiments of the present invention, referring to Figure 2-Figure 3 The first pin 23, the second pin 24 and the third pin 25 are parallel to each other, and the extension directions of the first pin 23, the second pin 24 and the third pin 25 are the same, which can facilitate the insertion of the first pin 23, the second pin 24 and the third pin 25.

[0054] According to some embodiments of the present invention, referring to Figure 1 In the first direction (for example, see the attached Figure 2 In the direction shown in e1 in the figure, the first pin 23 and the third pin 25 are respectively arranged near the edges of both sides of the housing 21, and the second pin 24 is located between the first pin 23 and the third pin 25 and is arranged near the middle of the housing 21, so that the electrical clearance between the first pin 23 and the second pin 24, the second pin 24 and the third pin 25, and the first pin 23 and the third pin 25 can be ensured. According to some embodiments of the present invention, referring to Figure 1-Figure 3 The sampling component 20 is a high-voltage sampling component 20 electrically connected to a high-voltage circuit. The high-voltage sampling component 20 is used to collect high voltage in the device. When collecting high voltage, the electrical spacing between adjacent pins must be ensured.

[0055] According to the controller 100 of the second aspect embodiment of the utility model, it includes a control board 11 and a sampling device 20 according to the first aspect embodiment of the utility model. The control board 11 includes a sampling circuit 111. The sampling device 20 is installed on the control board 11 and is electrically connected to the sampling circuit 111. The sampling device 20 can transmit the collected high-voltage information to the sampling circuit 111, and the controller 100 can make corresponding instructions based on the collected high-voltage information.

[0056] According to the controller 100 of the embodiment of the utility model, by providing the above-mentioned sampling member 20, not only the safety of the sampling member 20 during sampling can be ensured, but also the installation method of the sampling member 20 can be simplified, and the installation efficiency of the sampling member 20 can be improved.

[0057] According to some embodiments of the present invention, the controller 100 also includes a first signal line 41 and a second signal line 42, one end of the first signal line 41 is connected to the first pin 23, one end of the second signal line 42 is connected to the second pin 24, the other end of the first signal line 41 is connected to the positive pole of the bus capacitor 12, and the other end of the second signal line 42 is connected to the negative pole of the bus capacitor 12.

[0058] The first signal line 41 is used to electrically connect the positive electrode of the bus capacitor 12 and the first pin 23, and the second signal line 42 is used to electrically connect the negative electrode of the bus capacitor 12 and the second pin 24. The first signal line 41 and the first pin 23 as well as the second signal line 42 and the second pin 24 can transfer the collected voltage of the bus capacitor 12 to the sampling circuit 111, so that the sampling circuit 111 can collect the voltage of the bus capacitor 12 in real time.

[0059] According to some embodiments of the present invention, the controller 100 also includes a third signal line 43, which is used to electrically connect the positive pole of the battery and the third pin 25. The third signal line 43 and the third pin 25 can transmit the collected battery voltage to the sampling circuit 111, so that the sampling circuit 111 can collect the battery voltage in real time.

[0060] The first pin 23, the second pin 24, the third pin 25, the first signal line 41, the second signal line 42 and the third signal line 43 are integrated on the same sampling component 20, and the sampling component 20 is assembled as a whole, saving internal space and reducing internal wiring, avoiding multiple wiring inside the controller 100 and reducing the risk of failure.

[0061] In a specific example, referring to Figure 1 The controller 100 includes the bus capacitor 12 and a resistor 13, which is connected to the copper busbar in the bus capacitor 12 for passive discharge. The other end of the first signal line 41 is connected to the positive electrode of the resistor 13, and the other end of the second signal line 42 is connected to the negative electrode of the resistor 13. The first signal line 41 and the second signal line 42 can detect the voltage of the bus capacitor 12 by connecting the positive electrode and the negative electrode of the resistor 13.

[0062] The electric assembly according to the embodiment of the third aspect of the utility model includes the controller 100 according to the embodiment of the second aspect of the utility model.

[0063] According to the electric assembly of the embodiment of the utility model, by providing the above-mentioned controller 100, the safety of the sampling component 20 when collecting the voltage of the bus capacitor 12 and the voltage of the battery can be guaranteed, thereby improving the safety of the electric assembly when working.

[0064] A vehicle according to an embodiment of the fourth aspect of the utility model includes an electric assembly according to an embodiment of the third aspect of the utility model.

[0065] According to the vehicle of the embodiment of the utility model, by setting the above-mentioned electric assembly, the safety of the vehicle during operation can be ensured. In the description of this specification, the description of reference terms "some embodiments", "optionally", "further" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A sampling piece, characterized in that: include: A shell, one end of which is open; A first pin and a second pin, one end of the first pin and one end of the second pin are fixedly connected to the shell, the other end of the first pin and the other end of the second pin extend toward the opening, and the first pin and the second pin are arranged at intervals.

2. The sampling piece according to claim 1, characterized in that: It also includes a third pin, one end of which is fixedly connected to the shell, and the other end of which extends toward the opening. The third pin is spaced apart from the first pin, and the third pin is spaced apart from the second pin.

3. The sampling piece according to claim 2, characterized in that: At least one pin hole is provided between the first pin and the second pin, between the first pin and the third pin, and between the second pin and the third pin.

4. The sampling piece according to claim 2, characterized in that: In the direction from the first pin to the third pin, the second pin is located between the first pin and the third pin, and, The distance between the first pin and the second pin is a, which satisfies: 8.8 mm ≤ a ≤ 9.2 mm; The distance b between the first pin and the third pin satisfies: 19.7 mm ≤ b ≤ 20.3 mm; A distance c between the second pin and the third pin satisfies: 10.8 mm ≤ c ≤ 11.2 mm.

5. The sampling piece according to claim 3, characterized in that: The first pin, the second pin and the third pin are arranged in multiple rows, the first pin and the third pin are located in the first row, the second pin is located in the second row, and in the direction from the first pin to the third pin, at least one pin hole is provided between the first pin and the second pin in the second row; at least one pin hole is provided between the first pin and the third pin in the first row; and at least one pin hole is provided between the second pin and the third pin in the second row.

6. The sampling piece according to claim 5, characterized in that: In the second row, the stitch hole between the first stitch and the second stitch is a first stitch hole; in the first row, the stitch hole between the first stitch and the third stitch is a second stitch hole; in the second row, the stitch hole between the second stitch and the third stitch is a third stitch hole, wherein, in the direction from the first stitch to the third stitch, the number of the first stitch hole, the second stitch hole and the third stitch hole are all multiple, the distance between two adjacent first stitch holes is h1, the distance between two adjacent second stitch holes is h2, and the distance between two adjacent third stitch holes is h3, satisfying: h2>h1, and / or, h1=h3.

7. The sampling piece according to any one of claims 2 to 6, characterized in that: In the first direction, the first pin and the third pin are respectively arranged close to the edges of both sides of the shell, and the second pin is located between the first pin and the third pin and is arranged close to the middle of the shell.

8. A controller, characterized in that: include: a control board, the control board comprising a sampling circuit, The sampling component according to any one of claims 1 to 7 is mounted on the control board and electrically connected to the sampling circuit.

9. The controller according to claim 8, characterized in that: It also includes a first signal line, a second signal line, a bus capacitor and a resistor, one end of the first signal line is connected to the first pin, one end of the second signal line is connected to the second pin, the other end of the first signal line is connected to the positive electrode of the bus capacitor, the other end of the second signal line is connected to the negative electrode of the bus capacitor, and the resistor is connected to the bus capacitor.

10. The controller according to claim 9, characterized in that: It also includes a third signal line, the sampling component is the sampling component according to claim 2, one end of the third signal line is connected to the third pin, and the other end of the third signal line is connected to the positive electrode of the battery.

11. An electric assembly, characterized in that: include: A controller as claimed in any one of claims 8 to 10.

12. A vehicle, characterized in that: include: The electric powertrain assembly of claim 11.

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