WO2024061260A1

WO2024061260A1 - Electrical connector and electrical connector system

Info

Publication number: WO2024061260A1
Application number: PCT/CN2023/119937
Authority: WO
Inventors: 王超
Original assignee: 长春捷翼汽车科技股份有限公司
Priority date: 2022-09-21
Filing date: 2023-09-20
Publication date: 2024-03-28
Also published as: CN115764439A

Abstract

The present description consists of an electrical connector and an electrical connector system, relates to the field of automobiles, and solves the problems in the prior art whereby a signal line and a high-voltage line are prone to scraping, and a signal line is prone to being torn. The technical features comprise a housing, at least one group of conductive mechanisms and a wireless transmission module, the conductive mechanisms being at least partially arranged in the housing and transmitting electricity; the wireless transmission module being arranged in the housing, and the wireless transmission module being used for transmitting signals. In the assembly process of the electrical connector, a data transmission mechanism and an opposite plug end do not depend on a wiring harness but rather are connected using a wireless network transmission mode, not only simplifying the physical structure, but also avoiding the risk of signal failure caused by breakage of the signal wiring harness, and likewise reducing the space occupied by the wiring harness in the vehicle, thereby greatly reducing wiring harness costs, further increasing the reliability of vehicle wiring harness arrangement, improving transmission efficiency, and enhancing automobile safety performance.

Description

An electrical connector and an electrical connector system

This application claims priority to the Chinese patent submitted on September 21, 2022, with the application number 202211152762.4 and the invention title "An Electrical Connector and an Electrical Connector System". All contents of this patent are hereby incorporated.

Technical field

This specification relates to the technical field of automobiles, and in particular to an electrical connector and an electrical connector system.

Background technique

Because electrical connectors have the convenience of being ready for connection and high transmission speed, they are often used in automobiles, computers and their peripherals, communications, industry, aerospace and military fields. Existing electrical connectors generally use wired communication technology, and signal transmission relies on transmission cables. That is to say, each controller must be connected to each other through a wire harness to establish network communication. However, the application of wire harness connections in connectors is often subject to various restrictions. Since the wire harness connection is a physical connection, poor contact in the wire harness is prone to occur when the connector is connected to the outside or the vehicle vibrates or the space is limited, especially The diameter difference between the signal line and the high-voltage line is relatively large. During the electrical transmission process of the high-voltage line, the signal line and the high-voltage line are easily scratched, and the signal line is easily torn, resulting in the signal being unable to be transmitted and the vehicle being unable to perform corresponding functions or unable to operate normally. run.

Therefore, an electrical connector is currently needed to solve the above problems.

Contents of the invention

This specification is intended to solve the technical problems in the prior art that signal lines and high-voltage lines are easily scratched and signal lines are easily torn off, and an electrical connector and an electrical connector system are provided.

In order to solve the above technical problems, the technical solutions of this manual are as follows:

An electrical connector includes: a housing, at least one set of conductive mechanisms and a wireless transmission module. The conductive mechanism is at least partially disposed in the housing and performs electrical transmission; the wireless transmission module is disposed in the housing. , the wireless transmission module is used for signal transmission.

Preferably, the conductive mechanism includes a conductive device and a first conductor, and the conductive device is electrically connected to the first conductor for transmitting electricity.

Preferably, the electrical connector further includes a data transmission mechanism disposed in the housing, and the data transmission mechanism performs wireless transmission of data and signals through the wireless transmission module.

Preferably, the data transmission mechanism includes a signal terminal and a second conductor, and the signal terminal is electrically connected to the wireless transmission module through the second conductor for transmitting data and signals.

Preferably, the electrical connector further includes a PCBA disposed in the housing, and the data transmission mechanism and the wireless transmission module are disposed on the PCBA.

Preferably, the electrical connector further includes a shielding device, the shielding device at least wraps the conductive mechanism provided in the housing.

Preferably, the electrical connector further includes a detection module disposed in the housing, and the detection module is electrically connected to the wireless transmission module.

Preferably, the detection module includes one or more of a current detection module, a voltage detection module, a resistance monitoring module or a temperature detection module.

An electrical connector system includes a mating connector, a control module and an electrical connector as described above. The electrical connector and the mating connector are mated and electrically connected to each other. The electrical connector is connected to the mating connector. The plug connectors are plugged into each other and electrically connected, and the wireless transmission module transmits data and signals with the control module through a wireless network.

Preferably, the mating connector contains a power loop and a signal loop, the power loop is electrically connected to the conductive device and is used to transmit power; the signal loop is electrically connected to the signal terminal and is used to transmit data. with signals.

Preferably, the wireless transmission module includes a wireless transmitting unit, the control module includes a wireless receiving unit, and the data and signals of the data transmission mechanism and/or the detection module are sent to the wireless network through the wireless transmitting unit. , the wireless receiving unit receives data and signals through the wireless network, and passes them to the control module.

Preferably, the wireless transmission module includes a wireless receiving unit, the control module includes a wireless transmitting unit, the data and signals of the control module are sent to the wireless network through the wireless transmitting unit, and the wireless receiving unit passes through the wireless transmitting unit. The wireless network receives data and signals and passes them to the data transmission mechanism.

Preferably, the wireless network is any one of Bluetooth, WIFI, NFC, 4G or 5G.

This manual has the following beneficial effects:

During the assembly process of electrical connectors, the data transmission mechanism and the mating end no longer rely on wire harnesses, but are connected using wireless network transmission. This not only simplifies the physical structure, but also avoids signal errors caused by the breakage of the signal wire harness. The risk of signal failure also reduces the space occupied by the wiring harness in the vehicle, thereby significantly reducing the wiring harness cost. It also improves the reliability of the vehicle wiring harness layout, improves transmission efficiency, and improves vehicle safety performance.

Description of drawings

This specification will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods:

Figure 1 is a schematic structural diagram of an electrical connector in some embodiments of this specification;

Figure 2 is a structural block diagram of an electrical connector and an electrical connector system in some embodiments of this specification;

Figure 3 is a structural block diagram of a conductive mechanism in some embodiments of this specification;

Figure 4 is a structural block diagram of a data transmission mechanism in some embodiments of this specification;

Figure 5 is a block diagram of the connection structure between the detection module and PCBA in some embodiments of this specification;

Figure 6 is a structural block diagram of the detection module in some embodiments of this specification;

Figure 7 is a structural block diagram of the connection between the control module and the wireless transmission module in some embodiments of this specification.

[Explanation of reference symbols]
1. Electrical connector;
10. Shell;
20. Conductive mechanism;
30. Data transmission agency;
40. Wireless transmission module;
21. Conductive device;
22. First conductor;
31. Signal terminal;
32. Second conductor;
50.PCBA;
60. Detection module;
61. Current detection module;
62. Voltage detection module;
63. Temperature detection module;
64. Resistance detection module;
7. Butt connector;
80. Control module;
71. Electric energy circuit;
72. Signal loop;
90. Wireless network;
41. Wireless receiving unit;
81. Wireless transmitting unit.

Detailed ways

The technical solutions in the embodiments of this specification will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this specification. Obviously, the described embodiments are only some of the embodiments of this specification, rather than all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this specification.

Referring to Figures 1-7, an electrical connector includes a housing 10, at least one set of conductive mechanisms 20, at least one set of data transmission mechanisms 30, and a wireless transmission module 40. The conductive mechanisms 20 are at least partially disposed on the The data transmission mechanism 30 and the wireless transmission module 40 are arranged in the housing 10, and the data transmission mechanism 30 performs wireless transmission of data and signals through the wireless transmission module 40. .

During the assembly process of the electrical connector, the data transmission mechanism 30 and the counter plug no longer rely on the wire harness, but are connected using wireless network transmission, which not only simplifies the physical structure, but also avoids signal errors caused by the breakage of the signal wire harness. The risk of failure also reduces the space occupied by the wiring harness in the vehicle, thereby significantly reducing the wiring harness cost. It also improves the reliability of the vehicle wiring harness layout, improves transmission efficiency, and improves vehicle safety performance.

In one embodiment, as shown in Figures 1 and 3, the conductive mechanism 20 includes a conductive device 21 and a first conductor 22. The conductive device 21 and the first conductor 22 are electrically connected for transmitting electricity. .

In one embodiment, as shown in Figures 1 and 4, the data transmission mechanism 30 includes a signal terminal 31 and a second conductor 32. The signal terminal 31 communicates with the wireless transmission module through the second conductor 32. 40 electrical connections for transmitting data and signals.

In one embodiment, as shown in FIGS. 1 and 5 , the electrical connector further includes a PCBA 50 disposed in the housing 10 , and the data transmission mechanism 30 and the wireless transmission module 40 are disposed therein. Described on PCBA50.

In one embodiment, the electrical connector further includes a shielding device that at least wraps the conductive mechanism 20 disposed in the housing 10 .

In order to prevent the current of the conductive mechanism 20 from causing signal interference to the data transmission mechanism 30 , a shielding device is provided outside the conductive mechanism 20 , specifically, it can be provided on the exposed exterior of the first conductor 22 and the conductive device 21 .

In one embodiment, the electrical connector further includes a detection module 60 disposed in the housing 10 , and the detection module 60 is electrically connected to the wireless transmission module 40 .

As shown in FIG. 1 , the detection module 60 can be disposed inside the housing 10 , specifically, it can be disposed outside the conductive mechanism 20 to accurately detect the current, voltage or temperature of the vehicle conductive mechanism 20 .

In one implementation, as shown in FIG. 6 , the detection module 60 includes one or more of a current detection module 61 , a voltage detection module 62 , a resistance detection module 64 or a temperature detection module 63 .

Specifically, as shown in Figure 1, taking the voltage detection module 62 as an example, in this electrical connector, the voltage detection module 62 can detect the residual voltage of the conductive mechanism 20. The voltage detection module 62 is electrically connected to the wireless transmission module 40. The wireless transmission module 40 transmits the detection signal through the data transmission mechanism 30 and the opposite plug terminal through the wireless network for data and signal transmission. This electrical connector can be used in new energy vehicles. During maintenance, the residual voltage in the circuit can be known in advance, serving as a safety protection reminder to avoid danger caused by residual voltage. This electrical connector can be used in the vehicle research and development process. As an experimental connector, the electrical connector can be installed on the vehicle under development to facilitate the acquisition of voltage and current parameters between each module in the development of vehicle electronic control.

The voltage detection module 62 is close to the conductive mechanism 20 , and the outside of the voltage detection module 62 is covered with a high-voltage heat-conducting insulating material, such as alumina. The voltage detection module 62 and the collection harness have an insulating shielding structure.

The voltage detection module 62 can use an infrared induction collection sensor or a voltage magnetic collector sensor. Both the voltage magnetic collector sensor and the infrared induction collection sensor have voltage collection functions. The voltage detection module 62 and the conductive mechanism 20 can cooperate in a coupling manner, and the voltage detection module 62 can use the voltage transformer principle to collect voltage. Preferably, the voltage detection module 62 uses an infrared induction acquisition sensor. The infrared induction acquisition sensor transmits the collected variables to the voltage calculation module and converts them into voltages. The voltage and timing curves form a waveform, and the voltage waveform signal is displayed through the microprocessor, which has the advantages of infinite Contact, anti-interference and high-precision features. The microprocessor can be STM32. Infrared induction collection sensors belong to the existing technology, and a suitable model of infrared induction collection sensor can be selected for the voltage detection module 62 .

In another embodiment, the current detection module 61 can also be disposed on the PCBA 50. The current detection module 61 and the signal connection device are electrically connected to the circuit board respectively. The signal connection device can supply power to the circuit board and the current sensor and perform data transmission. The current sensor can be integrated on the circuit board, and the circuit board integrates the current acquisition function. The circuit board is connected to the external control device through a signal connection device, which can realize real-time current monitoring and warning functions. The current sensor can be a TMR current sensor, such as the TMR7302 current sensor from Duowei Technology Company.

The current in the conductive mechanism 20 is monitored by the current detection module 61, thereby monitoring the temperature rise and performance of the conductive mechanism 20. The current detection module 61 may use a TMR current detection device, such as the TMR7302 current sensor from Multidimensional Technology.

The temperature detection module 63 can directly output digital signals related to temperature, which is convenient and small in size.

The resistance detection module 64 can collect the resistance of the conductive mechanism 20 .

The use of the detection module 60 is also based on the actual use situation. You can also use two or three of them at the same time.

The detection module 60 can be configured according to the number of the conductive devices 21 , and one detection module 60 can be configured for one group of conductive mechanisms 20 .

This specification provides another electrical connector system, including a mating connector 7, a control module 80 and the electrical connector as described above. The electrical connector and the mating connector 7 are mated and electrically connected to each other, The wireless transmission module 40 transmits data and signals with the control module 80 through a wireless network.

As shown in FIGS. 2 and 7 , a specific control module 80 can be installed on the vehicle side, and the data transmission mechanism 30 transmits data and signals with the control module 80 through a wireless network.

In one embodiment, as shown in Figure 2, the plug-in connector 7 includes a power loop 71 and a signal loop 72. The power loop 71 is electrically connected to the conductive device 21 for transmitting power; The signal circuit 72 is electrically connected to the signal terminal 31 for transmitting data and signals.

In a preferred embodiment, as shown in Figure 7, the wireless transmission module 40 includes a wireless receiving unit 41, the control module 80 includes a wireless transmitting unit 81, and the data and signals of the control module 80 are transmitted through the wireless transmitter. The wireless receiving unit 41 receives data and signals through the wireless network and passes them to the data transmission mechanism 30 .

In another embodiment, the wireless transmission module 40 includes a wireless transmitting unit 81, the control module 80 includes a wireless receiving unit 41, and the data and signals of the data transmission mechanism 30 and/or the detection module 60 pass through The wireless transmitting unit 81 sends data and signals to the wireless network, and the wireless receiving unit 41 receives data and signals through the wireless network and passes them to the control module 80 .

In a preferred embodiment, the wireless network is any one of Bluetooth, WIFI, NFC, 4G or 5G.

It should be noted that the Bluetooth transmission module uses Bluetooth transmission technology, which can realize networking without the help of cables and supports devices to realize signal transmission in short distances. It is convenient, fast, flexible, safe, low-cost and low-power consumption. and other advantages;

The WIFI transmission module uses WiFi transmission technology to achieve networking through radio waves. It has the advantages of fast transmission speed, wide coverage, strong radio frequency signal and low power consumption;

Near Field Communication (NFC) is a wireless communication technology that enables devices to communicate with each other without using the Internet. It first identifies nearby NFC-equipped devices. NFC is commonly used in smartphones and tablets. Improved on radio frequency identification (RFID), NFC can be used to transmit data between devices that are just a few centimeters away from each other through radio waves. It operates independently of the Internet, eliminating potential sources of interference.

4G technology, short for the fourth generation of mobile communications and technology, is a technology that integrates 3G and WLAN and can transmit high-quality video images with image transmission quality comparable to high-definition television. 4G mobile communication technology can find the fastest and most efficient communication paths between multiple different network systems, platforms and wireless communication interfaces to perform the most immediate transmission, reception and positioning actions;

The fifth generation mobile communication technology (5G for short) is a new generation of broadband mobile communication technology with the characteristics of high speed, low latency and large connection. 5G communication facilities are the network infrastructure that realizes the interconnection of humans, machines and things.

Since the above wireless transmission modules 40 do not need to rely on wiring harnesses for signal transmission, the space occupied by wiring harnesses in the vehicle is reduced, thereby providing installation space for more controllers, thereby realizing more functions.

Obviously, the above-mentioned embodiments are only examples for clear explanation and are not intended to limit the implementation. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. An exhaustive list of all implementations is neither necessary nor possible. The obvious changes or modifications derived therefrom are still within the protection scope created by this specification.

Claims

An electrical connector, characterized in that it includes: a housing, at least one set of conductive mechanisms and a wireless transmission module, the conductive mechanism is at least partially disposed in the housing and performs electrical transmission; the wireless transmission module is disposed in Inside the housing, the wireless transmission module is used for signal transmission.
The electrical connector according to claim 1, wherein the conductive mechanism includes a conductive device and a first conductor, and the conductive device is electrically connected to the first conductor for transmitting electricity.
The electrical connector according to claim 1, characterized in that the electrical connector further includes a data transmission mechanism disposed in the housing, and the data transmission mechanism performs wireless transmission of data and signals through the wireless transmission module. transmission.
The electrical connector according to claim 3, wherein the data transmission mechanism includes a signal terminal and a second conductor, and the signal terminal is electrically connected to the wireless transmission module through the second conductor for transmission. Data and signals.
The electrical connector according to claim 3, wherein the electrical connector further includes a PCBA disposed in the housing, and the data transmission mechanism and the wireless transmission module are disposed on the PCBA.
The electrical connector according to claim 1, characterized in that the electrical connector further includes a shielding device, the shielding device at least wraps the conductive mechanism provided in the housing.
The electrical connector according to claim 1, wherein the electrical connector further includes a detection module disposed in the housing, and the detection module is electrically connected to the wireless transmission module.
The electrical connector according to claim 7, wherein the detection module includes one or more of a current detection module, a voltage detection module, a resistance monitoring module or a temperature detection module.
An electrical connector system, including a mating connector, a control module and the electrical connector according to any one of claims 1 to 8, wherein the electrical connector and the mating connector are opposite to each other. Plug-in and electrically connected, the wireless transmission module transmits data and signals with the control module through a wireless network.
The electrical connector system according to claim 9 is characterized in that the plug-in connector contains a power circuit and a signal circuit, the power circuit is electrically connected to the conductive device for transmitting power; the signal circuit is electrically connected to the signal terminal for transmitting data and signals.
The electrical connector system according to claim 9, wherein the wireless transmission module includes a wireless transmitting unit, the control module includes a wireless receiving unit, and the data and signals of the data transmission mechanism and/or the detection module pass through The wireless transmitting unit sends data and signals to the wireless network, and the wireless receiving unit receives data and signals through the wireless network and passes them to the control module.
The electrical connector system according to claim 9 is characterized in that the wireless transmission module includes a wireless receiving unit, the control module includes a wireless transmitting unit, the data and signals of the control module are sent to the wireless network through the wireless transmitting unit, and the wireless receiving unit receives the data and signals through the wireless network and transmits them to the data transmission mechanism.
The electrical connector system according to claim 9, wherein the wireless network is any one of Bluetooth, WIFI, NFC, 4G or 5G.