Signal terminal assembly, connector, electronic component and vehicle

Abstract

The utility model relates to the technical field of signal terminal assemblies, specifically provides a signal terminal assembly, a connector, an electronic component and a vehicle, and aims to solve the problem of short circuit to ground caused by breakdown of a TVS (Transient Voltage Suppressor) by partial higher-voltage surges in the prior art. In order to achieve the purpose, the signal terminal assembly comprises a signal terminal, a plurality of contact pieces and a buffer resistor, and the plurality of contact pieces are sequentially arranged on the outer side of the signal terminal and electrically connected with the signal terminal; at least one buffer resistor is arranged between the contact piece and the signal terminal; the larger the distance between the contact piece and the signal terminal is, the larger the resistance between the contact piece and the signal terminal is. When a butt joint connector is in hot plug connection with the signal terminal assembly, due to the fact that the butt joint connector is firstly in contact with high resistance impedance, electric potential difference cannot be instantly conducted to form surge, surge is avoided, components connected with the butt joint connector and the connector respectively are protected, and a chip can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of signal terminal components, and specifically provides a signal terminal component, a connector, an electronic component and a vehicle. Background Art

[0002] With the development of technology, hot plugging has gradually become a common way to connect electronic components. When hot plugging is performed, surges will inevitably occur at the port. At present, when the port has a low-voltage surge, TVS is connected in parallel to solve the surge pulse caused by the potential imbalance between the plug-ins. However, TVS has a small flow rate, and some higher-voltage surges will break through the TVS and cause a short circuit to the ground, making the system fail. In addition, TVS is expensive, and low-cost products have almost no TVS protection.

[0003] Therefore, the utility model urgently needs a signal terminal assembly, a connector, an electronic component and a vehicle to solve the above technical problems. Utility Model Content

[0004] The utility model aims to solve the above technical problems, that is, to solve the problems in the prior art that some relatively high-voltage surges may break through the TVS and cause a short circuit to the ground, thus rendering the system ineffective; and the TVS is expensive and low-cost products have almost no TVS protection.

[0005] In a first aspect, the utility model provides a signal terminal assembly, the signal terminal assembly comprising:

[0006] signal terminal;

[0007] A plurality of contact pieces are sequentially arranged outside the signal terminals and electrically connected to the signal terminals;

[0008] A buffer resistor, at least one of which is provided between the contact piece and the signal terminal;

[0009] The greater the distance from the signal terminal, the greater the resistance between the contact piece and the signal terminal.

[0010] In a specific embodiment of the above-mentioned signal terminal assembly, there are multiple buffer resistors, and they are arranged one-to-one corresponding to the multiple contact pieces. The contact piece is electrically connected to the signal terminal through the corresponding buffer resistor. The greater the distance from the signal terminal, the greater the resistance value of the buffer resistor corresponding to the contact piece.

[0011] In a specific implementation of the above signal terminal assembly, there are multiple buffer resistors, which are arranged one-to-one corresponding to the multiple contact pieces. The multiple buffer resistors are connected in series to the signal terminals, and the contact pieces are connected to the side of the corresponding buffer resistor away from the signal terminal.

[0012] In a specific implementation of the above signal terminal assembly, there are four buffer resistors and four contacts, the four buffer resistors are connected in series to the signal terminal, and the contact is connected to the side of the corresponding buffer resistor away from the signal terminal.

[0013] In a specific implementation of the signal terminal assembly, there are multiple buffer resistors, which are greater than the number of contacts. Multiple buffer resistors are connected in series to the signal terminal, and some of the buffer resistors are connected to the contact at a side away from the signal terminal.

[0014] In a specific implementation of the above signal terminal assembly, the resistance values ​​of the plurality of buffer resistors are the same.

[0015] In a specific implementation of the above signal terminal assembly, the greater the distance from the signal terminal, the greater the resistance of the plurality of buffer resistors.

[0016] In a specific embodiment of the above-mentioned signal terminal assembly, the signal terminal assembly also includes an insulator, the signal terminal and the contact are at least partially embedded in the insulator, the signal terminal and the plurality of contacts are arranged sequentially from the inside to the outside, and gradually contact the plurality of contacts and the signal terminal when the docking signal terminal assembly is plugged into the signal terminal assembly.

[0017] In a second aspect, the utility model provides a connector, the connector comprising:

[0018] A plurality of signal terminal assemblies as described above arranged side by side;

[0019] An insulator, wherein the signal terminal and the contact are partially embedded in the insulator, and the signal terminal and the plurality of contacts are arranged sequentially from the inside to the outside. When the docking connector is plugged into the connector, the connecting terminals of the docking connector gradually contact the plurality of contacts and the signal terminals of the single signal terminal assembly.

[0020] In a third aspect, the utility model provides an electronic component, the electronic component comprising:

[0021] A connector as described above;

[0022] A chip is connected to the connector.

[0023] In a fourth aspect, the utility model provides a vehicle, the vehicle comprising:

[0024] Vehicle body;

[0025] The electronic component as described above is arranged on the vehicle body;

[0026] A docking connector, which can be hot-swapped with the connector of the electronic component.

[0027] When adopting the above technical solution, the signal terminal assembly of the utility model includes a signal terminal, a plurality of contacts and a buffer resistor, wherein the plurality of contacts are sequentially arranged on the outside of the signal terminal and are electrically connected to the signal terminal; at least one buffer resistor is arranged between the contact and the signal terminal; the greater the distance from the signal terminal, the greater the resistance between the contact and the signal terminal.

[0028] When the docking connector is plugged into the signal terminal assembly, specifically during hot plugging, the connection terminal of the docking connector first contacts the high-impedance contact piece for slow discharge. As the docking connector is gradually inserted, the impedance of the contact piece closer to the inside becomes smaller, and finally the signal terminal is connected to conduct. Since the high-resistance impedance is contacted first, the potential difference will not be instantly conducted to form a surge, thereby avoiding the generation of surges, protecting the docking connector and the components connected to the connector, that is, protecting the chip. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0030] Figure 1 It is a partial structural schematic diagram of the connector provided in the first embodiment of the utility model;

[0031] Figure 2 The figure is a comparison curve of surge when the connector provided by the first embodiment of the utility model is plugged into the docking connector and surge in the prior art.

[0032] Figure 3 It is a partial structural schematic diagram of the connector provided in the second embodiment of the utility model;

[0033] Figure 4 It is a partial structural schematic diagram of the connector provided in the third embodiment of the present utility model.

[0034] List of reference numerals:

[0035] 1. Signal terminal; 2. Contact; 3. Buffer resistor; 4. Insulator. DETAILED DESCRIPTION

[0036] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0037] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setting", 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 direct connection, an indirect connection through an intermediate medium, or the internal connection of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In order to solve the problems in the prior art that some relatively high-voltage surges may break through the TVS and cause a short circuit to the ground, thus causing the system to fail, and that the TVS is expensive and low-cost products have almost no TVS protection, the utility model provides a signal terminal assembly, a connector, an electronic component and a vehicle to solve the above technical problems.

[0040] Embodiment 1

[0041] This embodiment discloses an electronic component, which includes a chip and a connector. The connector includes a plurality of signal terminal 1 components, a ground terminal, a power terminal, an insulator 4 and a metal shell arranged side by side. The ground terminal, the power terminal and the signal terminal 1 components are arranged side by side and extend along the direction of the connector. The signal terminal 1 component specifically includes a signal terminal 1, a plurality of contact pieces 2 and a buffer resistor 3.

[0042] The connector is specifically an external connector for electronic components, that is, the chip is connected to other electronic devices through the connector for communication. The signal terminal 1, the power terminal and the ground terminal are partially embedded in the insulator 4, and the tail end is connected to the chip so that the chip signal and current can be transmitted. Specifically, it can be directly connected to the chip by welding, or it can be connected by a wire. Specifically, the tail ends of the signal terminal 1, the ground terminal and the power terminal are exposed on the insulator 4, and the end that overlaps with the docking connector of the docking component is partially exposed on the insulator 4 so that the docking connector can be connected thereto. The metal shell is covered on the insulator 4 to play a fixed shielding role.

[0043] The plug-in end of the connector is provided with a plug-in portion, and the docking connector can be plugged into the plug-in portion to achieve electrical connection with the connector. The plug-in portion can be specifically a plug-in section, that is, specifically a plug-in slot, wherein the plug-in end of the connection terminal is exposed in the plug-in slot. The plug-in portion can also be a male plug-in end, that is, the plug-in portion is protruding, and the connection terminal is exposed in the protruding insulator 4.

[0044] The plurality of contact pieces 2 are sequentially arranged outside the signal terminal 1 and partially embedded in the insulator 4. That is, the plurality of contact pieces 2 are arranged along the insulator 4 toward the end away from the chip, so that when the docking connector is plugged into the connector, the plurality of contact pieces 2 can be gradually contacted and then contacted with the signal terminal 1.

[0045] At least one buffer resistor 3 is provided between the contact piece 2 and the signal terminal 1 ; and the greater the distance from the signal terminal 1 , the greater the resistance between the contact piece 2 and the signal terminal 1 .

[0046] When the docking connector is plugged into the signal terminal 1 assembly, specifically during hot plugging, the connection terminal of the docking connector first contacts the high-impedance contact piece 2 for slow discharge. As the docking connector is gradually inserted, the impedance of the contact piece 2 becomes smaller as it approaches the inside, and finally the signal terminal 1 is connected for conduction. Since the high-resistance impedance is contacted first, the potential difference will not be instantly turned on to form a surge, thereby avoiding the generation of a surge, protecting the docking connector and the components connected to the connector, that is, protecting the chip.

[0047] Specifically, there are multiple buffer resistors 3, and they are arranged one by one corresponding to the multiple contact pieces 2. The multiple buffer resistors 3 are connected in series to the signal terminal 1, and the contact piece 2 is connected to the side of the corresponding buffer resistor 3 away from the signal terminal 1. The multiple buffer resistors 3 are arranged in series, and the contact piece 2 is connected to the side of the corresponding buffer resistor 3 away from the signal terminal 1, so that the resistance between the outermost contact piece 2 and the signal terminal 1 is the largest, and the resistance between the innermost contact piece 2 and the signal terminal 1 is the smallest, and the resistance between the outermost contact piece 2 to the innermost contact piece 2 and the signal terminal 1 is gradually reduced.

[0048] Preferably, in this embodiment, there are four buffer resistors 3 and four contact pieces 2 , the four buffer resistors 3 are connected in series to the signal terminal 1 , and the contact piece 2 is connected to the side of the corresponding buffer resistor 3 away from the signal terminal 1 .

[0049] The greater the distance from the signal terminal 1, the greater the resistance of the plurality of buffer resistors 3. Specifically, from the direction close to the signal terminal 1 to the direction away from the signal terminal 1, that is, Figure 1From left to right in the figure, the resistance values ​​of the four buffer resistors 3 are 1Ω, 5Ω, 100Ω and 1000Ω respectively. The resistance value between the contact piece 2 closest to the signal terminal 1 and the signal terminal 1 is 1Ω, the resistance value between the contact piece 2 second closest to the signal terminal 1 and the signal terminal 1 is 6Ω, the resistance value between the contact piece 2 third closest to the signal terminal 1 and the signal terminal 1 is 106Ω, and the resistance value between the outermost contact piece 2 and the signal terminal 1 is 1106Ω.

[0050] Regarding the resistance value of the buffer resistor 3, it should be noted that although the resistance values ​​of the multiple buffer resistors 3 in this embodiment are different, this is not a limitation of the present invention. Without departing from the principle of the present invention, in other embodiments, the resistance values ​​of the multiple buffer resistors 3 are the same; since the multiple buffer resistors 3 are connected in series, the greater the distance from the signal terminal 1, the greater the resistance value between the contact piece 2 and the signal terminal 1. This does not deviate from the basic principle of the present invention and will fall within the protection scope of the present invention.

[0051] The buffer resistor 3 may be embedded in the insulator 4 , specifically, the buffer resistor 3 may be embedded in the insulator 4 by injection molding.

[0052] Arranging the buffer resistors 3 in series can save space. Since the signal terminal 1 component is small in size and has limited layout space, the buffer resistors 3 can be arranged in series in the connector.

[0053] The connector further includes an insulating sheath block, which specifically covers the rear end of the insulator 4, the tail ends of the signal terminal 1, the power terminal and the ground terminal, and at least a portion of the metal shell. If the outer side of the metal shell is not plugged into the docking connector, the insulating sheath block covers the entire metal shell. If the front end of the metal shell is plugged into the docking connector, the insulating sheath block does not cover the front end of the metal shell.

[0054] When the contact piece 2 and the buffer resistor 3 are not provided, the surge generated when the connector is hot-plugged is as follows: Figure 2 The surge generated when the connector of this embodiment is hot-plugged with the docking connector is as shown in the curve 11 in FIG. Figure 2 As shown in curve 12 in .

[0055] Signal terminal 1 is connected in series with multiple resistors. When the peripheral is inserted, it will first contact the contact 2 with the largest impedance. At this time, the signal of the electronic component chip and the signal of the docking component chip are discharged at the same potential. Due to the effect of the series resistor, the rising edge of the discharge waveform slows down and a part of the energy will be discharged when the current passes through the resistor. At this time, the surge energy reaching the chip end of the electronic component will gradually decrease. This design more effectively protects the electronic components and docking components from surge impact. This surge protection connector design can effectively avoid the impact of surge voltage or current generated when two powered devices are connected. It can effectively protect the two docking electronic devices from being damaged by surges.

[0056] Embodiment 2

[0057] This embodiment discloses an electronic component, which has a structure substantially the same as that of the electronic component in the first embodiment, except for the arrangement of the buffer resistor 3 .

[0058] like Figure 3 As shown, in this embodiment, there are multiple buffer resistors 3, and they are arranged one by one corresponding to multiple contact pieces 2. Multiple buffer resistors 3 are connected in parallel with the signal terminal 1, and the contact piece 2 is electrically connected to the signal terminal 1 through the corresponding buffer resistor 3; and the greater the distance from the signal terminal 1, the greater the resistance of the buffer resistor 3 corresponding to the contact piece 2. In this way, it can be ensured that the greater the distance from the signal terminal 1, the greater the resistance between the contact piece 2 and the signal terminal 1.

[0059] Specific reference Figure 3 In this embodiment, there are four contacts 2 and four buffer resistors 3, and the four buffer resistors 3 are connected in parallel to the signal terminal 1, and each buffer resistor 3 is connected in series with a contact 2, wherein the contact 2 is located on the side of the buffer resistor 3 away from the signal terminal 1. Figure 3 The resistance value increases gradually from left to right.

[0060] When the docking connector is plugged into the signal terminal 1 assembly, specifically during hot plugging, the connection terminal of the docking connector first contacts the high-impedance contact piece 2 for slow discharge. As the docking connector is gradually inserted, the impedance of the contact piece 2 becomes smaller as it approaches the inside, and finally the signal terminal 1 is connected for conduction. Since the high-resistance impedance is contacted first, the potential difference will not be instantly turned on to form a surge, thereby avoiding the generation of a surge, protecting the docking connector and the components connected to the connector, that is, protecting the chip.

[0061] Embodiment 3

[0062] This embodiment discloses an electronic component, which has a structure substantially the same as that of the electronic component in the first embodiment, except for the arrangement of the buffer resistor 3 .

[0063] like Figure 4As shown, in this embodiment, there are multiple buffer resistors 3, and the number is greater than the number of contact pieces 2. Multiple buffer resistors 3 are connected in series to the signal terminal 1, and some buffer resistors 3 are connected to the contact piece 2 on the side away from the signal terminal 1, that is, two adjacent contact pieces 2 can directly be multiple buffer resistors 3.

[0064] Specific reference Figure 3 In this embodiment, there are four contact pieces 2 and six buffer resistors 3, and the six buffer resistors 3 are connected in series to the signal terminal 1, and the four contact pieces 2 from left to right are respectively connected in series with one, three, five and six buffer resistors 3.

[0065] The greater the distance from the signal terminal 1, the greater the resistance of the multiple buffer resistors 3. Regarding the resistance of the buffer resistor 3, it should be noted that although the resistance of the multiple buffer resistors 3 in this embodiment is different, this is not a limitation of the present invention. Without departing from the principle of the present invention, in other embodiments, the resistance of the multiple buffer resistors 3 is the same; because the multiple buffer resistors 3 are connected in series, this can also make the greater the distance from the signal terminal 1, the greater the resistance between the contact piece 2 and the signal terminal 1. This does not deviate from the basic principle of the present invention and will fall within the protection scope of the present invention.

[0066] When the docking connector is plugged into the signal terminal 1 assembly, specifically during hot plugging, the connection terminal of the docking connector first contacts the high-impedance contact piece 2 for slow discharge. As the docking connector is gradually inserted, the impedance of the contact piece 2 becomes smaller as it approaches the inside, and finally the signal terminal 1 is connected for conduction. Since the high-resistance impedance is contacted first, the potential difference will not be instantly turned on to form a surge, thereby avoiding the generation of a surge, protecting the docking connector and the components connected to the connector, that is, protecting the chip.

[0067] Embodiment 4

[0068] This embodiment discloses a vehicle, which includes a docking connector, a vehicle body, and the electronic components as described in any one of the first to third embodiments.

[0069] Among them, the electronic components are arranged on the vehicle body, and the docking connector can be hot-swapped with the connector of the electronic components; wherein the docking connector is connected to the electronic device, and the electronic device can be connected to the electronic components through the connector and the docking connector.

[0070] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A signal terminal (1) assembly, characterized in that: It includes: Signal terminal(1); A plurality of contact pieces (2) are sequentially arranged outside the signal terminal (1) and are electrically connected to the signal terminal (1); A buffer resistor (3), at least one buffer resistor (3) being arranged between the contact piece (2) and the signal terminal (1); The greater the distance from the signal terminal (1), the greater the resistance between the contact piece (2) and the signal terminal (1).

2. The signal terminal (1) assembly according to claim 1, characterized in that: There are a plurality of buffer resistors (3), which are arranged one-to-one corresponding to the plurality of contact pieces (2); the plurality of buffer resistors (3) are connected in parallel to the signal terminal (1); and the contact piece (2) is electrically connected to the signal terminal (1) via the corresponding buffer resistor (3); The greater the distance from the signal terminal (1), the greater the resistance value of the buffer resistor (3) corresponding to the contact piece (2).

3. The signal terminal (1) assembly according to claim 1, characterized in that: There are a plurality of buffer resistors (3), which are arranged one-to-one corresponding to the plurality of contact sheets (2); the plurality of buffer resistors (3) are connected in series to the signal terminal (1); and the contact sheet (2) is connected to the side of the corresponding buffer resistor (3) away from the signal terminal (1).

4. The signal terminal (1) assembly according to claim 3, characterized in that: There are four buffer resistors (3) and four contact pieces (2); the four buffer resistors (3) are connected in series to the signal terminal (1); and the contact piece (2) is connected to the side of the corresponding buffer resistor (3) away from the signal terminal (1).

5. The signal terminal (1) assembly according to claim 1, characterized in that: The buffer resistors (3) are multiple and the number is greater than the number of the contact pieces (2). The multiple buffer resistors (3) are connected in series to the signal terminal (1), and a part of the buffer resistors (3) is connected to the contact piece (2) on a side away from the signal terminal (1).

6. The signal terminal (1) assembly according to claim 4 or 5, characterized in that: The resistance values ​​of the plurality of buffer resistors (3) are the same.

7. The signal terminal (1) assembly according to claim 4 or 5, characterized in that: The greater the distance from the signal terminal (1), the greater the resistance of the plurality of buffer resistors (3).

8. A connector, characterized in that: It includes: A plurality of signal terminal (1) assemblies as claimed in any one of claims 1 to 7 arranged side by side; An insulator (4), wherein the signal terminal (1) and the contact piece (2) are partially embedded in the insulator (4), and the signal terminal (1) and the plurality of contact pieces (2) are arranged in sequence from the inside to the outside. When the docking connector is plugged into the connector, the connection terminal of the docking connector gradually contacts the plurality of contact pieces (2) and the signal terminal (1) of a single signal terminal (1) assembly.

9. An electronic component, characterized in that: It includes: The connector according to claim 8; A chip is connected to the connector.

10. A vehicle, characterized in that: It includes: Vehicle body; The electronic component according to claim 9, which is arranged on the vehicle body; A docking connector, which can be hot-swapped with the connector of the electronic component.

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