CN217822240U - Terminal resistor, wire harness mechanism and vehicle - Google Patents
Terminal resistor, wire harness mechanism and vehicle Download PDFInfo
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- CN217822240U CN217822240U CN202221796411.2U CN202221796411U CN217822240U CN 217822240 U CN217822240 U CN 217822240U CN 202221796411 U CN202221796411 U CN 202221796411U CN 217822240 U CN217822240 U CN 217822240U
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Abstract
The application provides a terminal resistor, a wire harness mechanism and a vehicle; wherein, termination resistance includes the resistance body and two terminals that extend along the first direction, and the definition is the second direction with the first direction vertically direction, and the both ends of resistance body all are connected with the pin. The terminal comprises a connecting part and an inserting part, one end of the connecting part is connected with the pin, and the other end of the connecting part extends and bends along the second direction; one end of the insertion part is connected with the bent end, and the other end of the insertion part extends along the second direction; between two terminals, the distance between two plug-in parts is equal to the distance between two sockets, and the distance between two connecting parts and the pin connecting position is greater than the distance between two plug-in parts, thereby prolonging the distance between two ends of the resistor body and avoiding the short circuit phenomenon caused by the pin contacting another pin or the end part of the resistor body. The wire harness mechanism comprises the terminal resistor, and the vehicle comprises the wire harness mechanism. The application provides a terminal resistor, pencil mechanism and vehicle can effectively avoid the emergence of short circuit phenomenon, improves the stability of use.
Description
Technical Field
This application belongs to automobile spare and accessory part technical field, concretely relates to terminal resistance, pencil mechanism and vehicle.
Background
Along with the development of modern automobile intellectualization and automation, electronic components such as multimedia equipment, network equipment, gateway equipment, cameras and laser radars on the automobile are more and more, a plurality of CAN processors and domain controllers are added in a traditional wire harness mechanism, and each controller and an actuator are connected by adopting high-frequency and high-speed Ethernet. There are very many signals in these loops, which are easily reflected back after being transmitted to the terminal, thereby causing interference to data transmission, so that it is necessary to add a terminal resistance at the transmission terminal to cancel the signal reflection in the loop.
The conventional termination resistor structure is shown in fig. 1, and includes a resistor 100, and blades 200 respectively connected to two ends of the resistor 100; the distance between the two insertion pieces 200 is equal to the distance between the corresponding sockets, and because the distance between the insertion pieces 200 is small, the resistor 100 can only be placed vertically, that is, the length direction of the resistor 100 is parallel to the length direction of the insertion pieces 200; the resistor 100 is connected to the leads 110 at both ends thereof, and is electrically connected to the two blades 200 through the leads 110.
Since high-frequency vibration can be generated in the driving process of an automobile, the internal structure of the terminal resistor can be directly influenced by the vibration phenomenon, one lead 110 is in contact with the other lead 110 or the metal end cap of the resistor 100, a short circuit phenomenon is caused, and the terminal resistor fails.
Disclosure of Invention
The embodiment of the application provides a terminal resistor, a wiring harness mechanism and a vehicle, and aims to solve the technical problem that when an existing terminal resistor structure is applied to a high-frequency vibration environment, failure easily occurs.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
providing a terminal resistor, which comprises a resistor body and two terminals, wherein the axial direction of the resistor body is defined as a first direction, and the direction perpendicular to the first direction is defined as a second direction; the resistor is characterized in that two axial ends of the resistor body are electrically connected with pins extending outwards along the first direction; the two terminals are arranged on two sides of the resistor body in parallel along the first direction and are respectively electrically connected with the two pins; the terminal includes:
the connecting part is provided with a first end and a second end in the first direction, the first end is connected with the corresponding pin, and the second end extends along the second direction and is bent towards the axial end face close to the resistor body; and
the plug part is provided with a third end and a fourth end in the second direction, and the third end is connected with the second end; the plug part is used for being plugged in a socket on the surface of the automobile connector;
the distance between the two inserting parts is equal to the distance between the two inserting holes between the two terminals, and the distance between the two first ends is larger than the distance between the two inserting parts.
In one possible implementation, the connection portion includes:
the crimping part is connected with the pins; the crimping portion is the first end; and
a flat extension portion connected to the crimping portion and bent toward an axial end surface close to the resistor body; one end of the flat extending portion is the second end.
In a possible implementation manner, the crimping portion is an annular structure, and the pin is inserted into an annular hole of the crimping portion.
In one possible implementation, the crimping portion has an opening penetrating in the first direction, communicating with the annular hole.
In a possible implementation manner, the press-connecting part, the flat extending part and the inserting part are of an integrally formed structure.
In one possible implementation, the termination resistor further includes:
a housing; the resistor body and the terminals are arranged in the shell, and the two inserting parts penetrate through the shell along the second direction.
In one possible implementation, a protrusion extending outward is fixedly connected to an outer surface of the housing, and the protrusion is used for being connected with the locking mechanism.
In a possible implementation manner, the housing is made of an insulating material to isolate insulation and limit the resistor body and the terminal.
In the embodiment of the application, the fourth ends of the two plugging parts are respectively plugged into the two jacks on the surface of the automobile connector, so that the terminal resistor is connected with the automobile connector; in the structure, due to the existence of the connecting parts, on the premise of ensuring the matching between the distance between the two inserting parts and the distance between the two sockets, the distance between the first ends of the two connecting parts is prolonged, so that the distance between the two pins is prolonged, and the short circuit phenomenon caused by the fact that one pin is in contact with the other pin or the end part of the resistor body is effectively avoided.
Compared with the prior art, the terminal resistor provided by the embodiment effectively avoids the occurrence of a short circuit phenomenon by prolonging the distance between the two pins, so that the internal structure can bear a high-frequency vibration environment, and the stability of the terminal resistor in the using process is improved.
The application also provides a wire harness mechanism which comprises the terminal resistor.
The beneficial effect of the wire harness mechanism provided by the embodiment is the same as that of the terminal resistor, and is not repeated herein.
The application further provides a vehicle, including aforementioned pencil mechanism.
The beneficial effects of the vehicle provided by the embodiment are the same as those of the terminal resistor, and are not described herein again.
Drawings
FIG. 1 is a diagram illustrating a structure of a termination resistor in the prior art;
fig. 2 is a schematic perspective view of a terminal resistor provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of an exploded structure between a resistor body and a terminal according to an embodiment of the present application;
description of reference numerals: 1. a resistor body; 11. a pin; 2. a terminal; 21. a connecting portion; 211. a crimping part; 2111. annular ring; 2112. an opening; 212. a flat extension part; 22. a plug-in part; 3. a housing; 31. a boss portion; 100. a resistor; 110. a lead; 200. and (4) inserting sheets.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1 to 3 together, the termination resistor provided in the present application will now be described. The terminal resistor provided by the application comprises a resistor body 1 and two terminals 2.
During actual preparation, the resistor body 1 can be changed into different resistances and powers according to customer requirements; in this embodiment, the resistor body 1 adopts RY-type high temperature resistant metal oxide film resistor element, and the characteristics of this type of resistor are: the metal oxide film on the outer layer and the ceramic are combined more firmly, so that the resistance film can load higher voltage and current, has higher acid and alkali resistance, and can be normally used under severe working conditions of the whole vehicle. In the present embodiment, for convenience of description, the axial direction of the resistor body 1 is defined as a first direction, and a direction perpendicular to the first direction is defined as a second direction.
The application is characterized in that: both axial ends of the resistor body 1 are electrically connected with pins 11 extending outwards along a first direction, and the pins 11 are made of the same material and process as those of the lead 110 under normal conditions; the two terminals 2 are arranged in parallel at two sides of the resistor body 1 along the first direction, and are respectively electrically connected with the two pins 11.
The terminal 2 includes a connection portion 21 and a plug portion 22; the connecting portion 21 has a first end and a second end in the first direction, the first end is connected to the corresponding pin 11, and the second end extends along the second direction and is bent toward the axial end surface close to the resistor body 1. The socket 22 extends in the second direction and has a third end and a fourth end in the second direction; the third end is connected to the second end of the connection portion 21, and the fourth end is used for being plugged into a socket on the surface of the automobile connector.
In this embodiment, the specification of 2.8mm × 0.8mm is used for the plug end of the plug part 22, and the 2.8 series connector and the fuse box with the mini fuse mounting position can be compatible.
Wherein, between the two terminals 2, the distance between the two inserting parts 22 is equal to the distance between the two inserting holes, and the distance between the two first ends is larger than the distance between the two inserting parts 22; therefore, the connection between the terminal resistor and the automobile connector is realized by inserting the fourth ends of the two plugging parts 22 into two sockets on the surface of the automobile connector respectively; in the above structure, due to the existence of the connection portion 21, on the premise of ensuring the matching between the distance between the two insertion portions 22 and the distance between the two insertion holes, the distance between the first ends of the two connection portions 21 is extended, so that the distance between the two pins 11 is extended, and the short circuit phenomenon caused by one pin 11 contacting the other pin 11 or the end of the resistor body 1 is effectively avoided.
Compared with the prior art, the terminal resistor provided by the embodiment effectively avoids the short circuit phenomenon by prolonging the distance between the two pins 11, so that the internal structure can bear a high-frequency vibration environment, and the stability of the terminal resistor in the using process is improved.
In some embodiments, the feature connecting portion 21 may have a structure as shown in fig. 3. Referring to fig. 3, the connection part 21 includes a crimping part 211 and a flat extension part 212.
The press-bonding part 211 is connected to the pin 11, and the press-bonding part 211 is the first end.
The flat extending portion 212 is connected to the crimping portion 211 and is bent toward an axial end face close to the resistor body 1, and the bent end of the flat extending portion 212 is a second end.
By adopting the structure, on the basis of realizing the structural characteristics of self bending, the structure can be ensured to be electrically connected with the pins 11.
In some embodiments, the above-described feature crimping portion 211 can adopt a structure as shown in fig. 3. Referring to fig. 3, the press-bonding part 211 has a ring structure with a ring hole 2111, the pin 11 is inserted into the ring hole 2111 of the press-bonding part 211, and when the pin 11 is inserted into the ring hole 2111, the outer peripheral wall of the pin 11 contacts with the inner peripheral wall of the ring hole 2111, so as to form a stable and reliable electrical connection relationship.
In some embodiments, the above-described feature crimping portion 211 can adopt a structure as shown in fig. 3. Referring to fig. 3, the crimping portion 211 has an opening 2112 penetrating in the first direction and communicating with the ring hole 2111, and the size of the opening 2112 is equal to or larger than the diameter of the cross-section circle of the pin 11, so as to be suitable for the pin 11 to be inserted and complete the contact connection with the ring hole 2111. Compared with the mode of inserting the ring hole 2111 from the axial direction, the mode of entering the ring hole 2111 from the radial direction is more convenient for manual operation, and the efficiency of the structure during assembly is improved.
In an actual manufacturing stage, the press-fitting part 211 is formed by bending a flat metal plate, and specifically, the press-fitting part 211 is formed by manually bending or machine-forming the press-fitting part 211 so that the cross section of the press-fitting part 211 is three-quarters circular. When the crimping portion 211 is lapped on the outer wall of the pin 11, a worker can also crimp the pin by using a manual or automatic crimping tool, so that the opening 2112 of the crimping portion 211 is closed, the pin 11 is prevented from being separated from the annular hole 2111 from the opening 2112, the pin 11 is fixed and connected, and the structural stability is improved. It should be added that the crimped portion 211 can be welded again, and the welding uses metallic tin, so as to improve the strength of the terminal resistor structure to bear larger load current and worse vibration condition.
In some embodiments, the characteristic crimping portion 211, the flat extension portion 212 and the plugging portion 22 can adopt the structure shown in fig. 2. Referring to fig. 2, the press-connecting portion 211, the flat extending portion 212 and the inserting portion 22 are integrally formed, and are formed by an injection molding process, so that the product has certain structural strength and excellent conductivity, and the reliability of the product structure is improved.
In some embodiments, the characteristic resistor body 1 and the terminal 2 may be externally configured as shown in fig. 2. Referring to fig. 2, the termination resistor further includes a housing 3.
The resistor body 1 and the terminal 2 are both disposed in the housing 3, and the two insertion portions 22 both penetrate the housing 3 along the second direction; specifically, the press-connecting part 211, the flat extending part 212 and part of the plugging part 22 are located in the housing 3, the plugging ends of the two plugging parts 22 penetrate through the resistor body 1 and extend out of the resistor body 1, and the extending length is adapted to the depth of the corresponding socket. The resistance body 1 and part of the terminals 2 are closed by the housing 3 to insulate the electronic components and prolong the service life thereof.
In some embodiments, the above-described feature housing 3 may take the configuration shown in fig. 2. Referring to fig. 2, an outwardly extending protrusion 31 is fixedly connected to an outer surface of the housing 3, and the protrusion 31 is used for connecting with a latch mechanism, where the latch mechanism is an existing structure pre-installed on the automotive connector, and the stability of the connection structure between the housing 3 and the automotive connector is enhanced by the connection of the protrusion 31 and the latch mechanism.
In some embodiments, the structure shown in fig. 2 can be adopted among the characteristic housing 3, the resistor body 1 and the terminal 2. Referring to fig. 2, the housing 3 is made of PP or PA, and is wrapped outside the resistor body 1 and the terminal 2 to isolate the insulation and limit the resistor body 1 and the terminal 2. Specifically, in this embodiment, the shell 3 is formed by injection molding of plastic materials, so that the resistor body 1 and the terminal 2 are integrally wrapped, the structural strength of the product is improved, and the resistor body 1 and the partial terminal 2 are isolated and insulated, so that the terminal resistor can be assembled and disassembled manually.
Based on the same inventive concept, the embodiment of the present application further provides a wire harness mechanism, which includes the aforementioned terminal resistor.
The beneficial effect of the wire harness mechanism provided by the embodiment is the same as that of the terminal resistor, and is not repeated herein.
Based on the same inventive concept, the embodiment of the application also provides a vehicle, which comprises the wire harness mechanism.
The beneficial effects of the vehicle provided by the embodiment are the same as those of the terminal resistor, and are not described herein again.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the present application, and any modifications, equivalents and improvements made within the spirit and principle of the present application are intended to be included within the scope of the present application.
Claims (10)
1. The terminal resistor comprises a resistor body and two terminals, wherein the axial direction of the resistor body is defined as a first direction, and the direction perpendicular to the first direction is defined as a second direction; the resistor is characterized in that two axial ends of the resistor body are electrically connected with pins extending outwards along the first direction; the two terminals are arranged on two sides of the resistor body in parallel along the first direction and are respectively electrically connected with the two pins; the terminal includes:
the connecting part is provided with a first end and a second end in the first direction, the first end is connected with the corresponding pin, and the second end extends along the second direction and is bent towards the axial end face close to the resistor body; and
the plug part is provided with a third end and a fourth end in the second direction, and the third end is connected with the second end; the plug part is used for being plugged in a socket on the surface of the automobile connector;
the distance between the two inserting parts is equal to that between the two inserting parts, and the distance between the two first ends is larger than that between the two inserting parts.
2. The termination resistor of claim 1, wherein the connection portion comprises:
the crimping part is connected with the pin; the crimping portion is the first end; and
a flat extension portion connected to the crimping portion and bent toward an axial end surface close to the resistor body; one end of the flat extending portion is the second end.
3. The termination resistor of claim 2, wherein the crimping portion is a ring structure, and the pin is inserted into a ring hole of the crimping portion.
4. A termination resistance as claimed in claim 3, characterized in that the crimping has an opening through in the first direction communicating with the annular ring.
5. The termination resistor of claim 2, wherein the crimping portion, the flattened portion and the mating portion are integrally formed.
6. The termination resistor of claim 1, wherein the termination resistor further comprises:
a housing; the resistor body and the terminals are arranged in the shell, and the two inserting parts penetrate through the shell along the second direction.
7. The termination resistor defined in claim 6 wherein an outwardly extending boss is fixedly attached to an outer surface of the housing and is adapted to be connected to a latching mechanism.
8. The termination resistor according to claim 6, wherein the housing is made of an insulative material to isolate insulation and confine the resistor body and the terminals.
9. Harness mechanism, characterized in that it comprises a termination resistor according to any of claims 1-8.
10. A vehicle characterized by comprising the wire harness mechanism of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221796411.2U CN217822240U (en) | 2022-07-12 | 2022-07-12 | Terminal resistor, wire harness mechanism and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221796411.2U CN217822240U (en) | 2022-07-12 | 2022-07-12 | Terminal resistor, wire harness mechanism and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217822240U true CN217822240U (en) | 2022-11-15 |
Family
ID=83965133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221796411.2U Active CN217822240U (en) | 2022-07-12 | 2022-07-12 | Terminal resistor, wire harness mechanism and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217822240U (en) |
-
2022
- 2022-07-12 CN CN202221796411.2U patent/CN217822240U/en active Active
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