CN218569415U

CN218569415U - Connector and vehicle

Info

Publication number: CN218569415U
Application number: CN202222503277.9U
Authority: CN
Inventors: 王超; 初殿军
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-03-03
Anticipated expiration: 2032-09-21

Abstract

A connector belongs to the technical field of electric energy transmission device manufacturing, and particularly relates to a connector and a vehicle. The magnetic field measuring device comprises at least one conductive part and a protection part, wherein the conductive part is at least partially arranged in a cavity of the protection part, a magnetic field measuring device is arranged in the cavity, the conductive part forms a magnetic field in a current conduction state, and the magnetic field measuring device is used for measuring the strength of the magnetic field. Set up magnetic field measuring device in the protection portion, magnetic field measuring device can near the magnetic field intensity that produces of real time monitoring connector to in time send the magnetic field intensity of gathering for vehicle management system, the vehicle management system of being convenient for in time sends the warning signal, reminds the car owner to carry out whole car power control the very first time, reduces the risk because of the too big production in magnetic field, guarantees vehicle safety.

Description

Connector and vehicle

Technical Field

The utility model belongs to the technical field of electric energy transmission device makes, concretely relates to connector and vehicle.

Background

With the development of the new energy automobile field, the application proportion of the high-voltage electric connector on the automobile is higher and higher. The new energy automobile has heavy current and big voltage in driving and charge-discharge process, and high-voltage cable and data communication cable are used for switching on of electric current and signal. To facilitate connection to a docked cable or powered device, the end of the cable is typically connected to a connector. The novel energy automobile has the advantages that the circuit in the automobile body is complex, electronic devices are standing, various electronic devices easily generate electromagnetic interference, particularly, a connector is not shielded by a shielding device generally, electromagnetic interference is carried out on electric appliances in the surrounding environment by an electromagnetic field generated by large current flowing through the connector, normal work of other electric appliances is influenced, the vehicle is easily out of control, the vehicle is damaged slightly, personal harm is seriously caused, and equipment for detecting the magnetic field in the connector is lacked at present. Therefore, there is a need in the art for a new solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

A connector comprises at least one conductive part and a protection part, wherein the conductive part is at least partially arranged in a cavity of the protection part, a magnetic field measuring device is arranged in the cavity, the conductive part forms a magnetic field in a current conduction state, and the magnetic field measuring device is used for measuring the strength of the magnetic field.

The magnetic field measuring device is arranged in the gradient direction of the magnetic field or the direction perpendicular to the cutting direction.

The magnetic field measuring device is arranged on the connecting part in a bonding or clamping or screwing or inserting or welding mode.

And a protective bracket is sleeved outside the magnetic field measuring device.

The conductive part is a terminal or a cable.

A sealing pad is arranged between the conductive part and the protection part, and the magnetic field measuring device is arranged on the sealing pad.

And a signal transmission device connected with the magnetic field measuring device is also arranged in the cavity.

The signal transmission device is a wireless transmission module.

The protection part comprises a first protection part and a second protection part which are detachably connected, the magnetic field measuring device is arranged on the conductive part, and the projection of the inner wall of the cavity is at least partially overlapped with the joint of the first protection part and the second protection part.

A vehicle comprising a connector as described above, the magnetic field measuring device being connected to the vehicle control system via a wireless network.

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

The beneficial effects of the utility model are that: set up magnetic field measuring device in the protection portion, magnetic field measuring device can near the magnetic field intensity that produces of real time monitoring connector to in time send the magnetic field intensity of gathering for vehicle management system, the vehicle management system of being convenient for in time sends the warning signal, reminds the car owner to carry out whole car power control the very first time, reduces the risk because of the too big production in magnetic field, guarantees vehicle safety. The protection bracket can protect the magnetic field measuring device and prevent the magnetic field measuring device from being damaged by impact when the conductive part is installed. A sealing gasket is arranged at the joint in the cavity to prevent water or dust from entering the protection part. The magnetic field measuring device is arranged on the sealing gasket, so that the assembly is convenient, and the magnetic field condition at the joint of the conductive part and the protection part can be better monitored.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of the connector of the present invention.

Fig. 2 is a schematic view of a protective bracket of the connector of the present invention.

Fig. 3 is a schematic structural diagram of the first protection portion and the second protection portion of the connector according to the present invention.

Fig. 4 is a cross-sectional view of a connector of the present invention shown in fig. 3.

The figures are labeled as follows:

the device comprises a 1-conductive part, a 2-protective part, a 3-cavity, a 4-magnetic field measuring device, a 21-protective bracket, a 22-first protective part and a 23-second protective part.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

A connector comprises at least one conductive part 1 and a protection part 2, wherein the conductive part 1 is partially arranged in a cavity 3 of the protection part 2, a magnetic field measuring device 4 is arranged in the cavity 3, the conductive part 1 forms a magnetic field in a current conducting state, and the magnetic field measuring device 4 is used for measuring the strength of the magnetic field. The protective part 2 of the connector can protect the conductive part 1 of the connector arranged in the cavity 3 of the connector, and the conductive part 1 can be a terminal, a conductor or a conductor and a terminal which are mutually connected. The conductive part 1 in the protection part 2 transmits large current, and can produce great electromagnetic field when the current passes through, and the electromagnetic field that the large current produced can carry out electromagnetic interference to the electrical apparatus in the surrounding environment, influences the normal work of other electrical apparatus, especially data communication cable, its inside transmission electromagnetic signal, and this electromagnetic signal can be disturbed by external electromagnetic field to lead to the electromagnetic signal distortion, unable effectual transmission signal. This embodiment sets up rectangle magnetic field measuring device 4 in the cavity 3 of guard portion 2, and magnetic field measuring device 4 can near the magnetic field intensity that produces of real time monitoring connector to in time send the magnetic field intensity of gathering for vehicle management system, the vehicle management system of being convenient for in time sends alarm signal, reminds the car owner the very first time to carry out whole car power control, reduces the risk because of the too big production in magnetic field, guarantees vehicle safety. The magnetic field measuring device 4 may be a thin film magneto-resistive sensor or a magneto-resistive sensor.

In some embodiments, the magnetic field measuring device 4 is arranged in the gradient direction or perpendicular to the cutting direction of the magnetic field. The magnetic field measuring device 4 is located in the gradient direction of the magnetic field, as shown in fig. 1, i.e. arranged parallel to the conductive part 1, or the magnetic field measuring device 4 is arranged perpendicular to the conductive part 1, as shown in fig. 4, so that it cuts perpendicularly the magnetic field formed by the current flowing through the conductive part 1, and the magnetic field collected in this way is the most accurate.

In some embodiments, a connection portion is provided on the protection portion 2, and the magnetic field measurement device 4 is disposed on the connection portion by means of bonding, clamping, screwing, splicing, or welding.

In a first possible technical solution, the contact surface of the magnetic field measuring device 4 and the connection part is an adhesive layer, and the magnetic field measuring device 4 and the connection part are adhered together by the adhesive layer.

In a second possible technical solution, one of the contact surfaces of the magnetic field measuring device 4 and the connecting portion is a clamping jaw, and the other is a clamping groove, so that the magnetic field measuring device 4 and the connecting portion are stably connected together through the assembly of the clamping jaw and the clamping groove.

In a third possible technical solution, the magnetic field measuring device 4 and the connecting portion are respectively provided with a thread and a screw, and the magnetic field measuring device 4 and the contact surface of the connecting portion are stably connected together by the thread connection of the thread and the screw.

In a fourth possible solution, the connection portion is a slot, and the magnetic field measuring device 4 is inserted into the slot to stably connect the magnetic field measuring device 4 and the connection portion.

In a fifth possible embodiment, the magnetic field measuring device 4 and the connecting part have a welding surface in addition to the contact surface, and the welding surface is melted and connected together by using a welding machine, so that the magnetic field measuring device 4 and the contact surface of the connecting part are stably connected together.

In some embodiments, the magnetic field measuring device 4 is sheathed with a protective bracket 21. As shown in fig. 2, the protective bracket 21 can protect the magnetic field measuring device 4 from being damaged by hitting the magnetic field measuring device 4 when the conductive part 1 is mounted.

In some embodiments, the conductive part 1 is a terminal or a cable. When the connector is specifically arranged, the connecting position of the terminal and the cable can be selected according to needs, the terminal is arranged in the cavity 3, the connection between the terminal and the terminal is realized, and the connecting position of the terminal and the cable is arranged outside the connector. It is also possible to extend the cable into the protective part 2 so that the terminal and the cable are connected inside the connector.

In some embodiments, a sealing pad is disposed between the conductive part 1 and the protective part 2, and the magnetic field measuring device 4 is disposed on the sealing pad. In order to increase the sealing property at the joint of the conductive part 1 and the shield part 2, a gasket is provided at the joint in the cavity 3 to prevent water or dust from entering the shield part 2. The magnetic field measuring device 4 is arranged on the sealing gasket, so that the assembly is convenient, and the magnetic field condition at the joint of the conductive part 1 and the protection part 2 can be better monitored.

In some embodiments, a signal transmission device 5 connected to the magnetic field measurement device 4 is further disposed in the cavity 3. The signal transmission device 5 can transmit the magnetic field strength acquired by the magnetic field measuring device 4, for example, to a control system of the vehicle so that the driver can know the magnetic field condition near the connector. The signal transmission device can be a copper bar, an aluminum bar, a wire harness, a cable or a circuit board.

In some embodiments, the signal transmission device 5 is a wireless transmission module. In order to reduce the number of connectors and lines in a vehicle, a wireless transmission module is used as a signal transmission device, and the wireless transmission module wirelessly transmits signals acquired by the magnetic field measurement device 4 to a vehicle control system.

In some embodiments, the protection part 2 includes a first protection part 22 and a second protection part 23 which are detachably connected, as shown in fig. 3 and 4, the magnetic field measuring device 4 is disposed on the conductive part 1, and a projection of the magnetic field measuring device 4 on the inner wall of the cavity 3 at least partially overlaps with a connection portion of the first protection part 22 and the second protection part 23. In order to better detach and mount the protection part 2 in the embodiment, a split design is adopted, the split design comprises a first protection part 22 and a second protection part 23 which are detachably connected, a specific connection mode is one of bonding, clamping, screwing or inserting, and electromagnetic shielding at the joint of the first protection part 22 and the second protection part 23 is the weakest, so that the magnetic field measuring device 4 is arranged on the conductive part 1, and the projection of the magnetic field measuring device in the cavity 3 is positioned at the joint of the first protection part 22 and the second protection part 23, namely, the magnetic field intensity at the joint can be more accurately measured by being closer to the joint.

A vehicle comprising a connector as described above, the magnetic field measuring device 4 being connected to the vehicle control system via a wireless network. In a preferred embodiment, the wireless network is used by a wireless transmitting unit arranged inside the protective part 2, the vehicle control system comprises a wireless receiving unit, the data and signals of the magnetic field measuring device 4 are transmitted to the wireless network by the wireless transmitting unit, and the wireless receiving unit receives the data and signals by the wireless network and transmits the data and signals to the vehicle control system.

In some embodiments, the wireless network is any one of bluetooth, WIFI, NFC, 4G or 5G. The Bluetooth transmission can realize networking without cables, supports the radio technology of realizing signal transmission of equipment under the condition of short distance, and has the advantages of convenience, rapidness, flexibility, safety, low cost, low power consumption and the like;

the WIFI transmission module utilizes Wi-Fi transmission technology, realizes networking through radio waves, and has the advantages of high transmission speed, wide coverage range, strong radio frequency signals, low power consumption and the like;

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 for smart phones and tablet computers. Improved on the basis of Radio Frequency Identification (RFID), NFC can be used to transmit data between devices located several centimeters from each other by means of radio waves. Its operation is independent of the Internet, eliminating a potential interference source.

The 4G technology, fourth generation mobile communication and its short for 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. The 4G mobile communication technology can find the fastest and most efficient communication path among a plurality of different network systems, platforms and wireless communication interfaces so as to perform the most real-time actions of transmission, reception, positioning and the like;

the fifth Generation Mobile Communication Technology (5 th Generation Mobile Communication Technology, 5G for short) is a new Generation broadband Mobile Communication Technology with high speed, low time delay and large connection features, and the 5G Communication facility is a network infrastructure for implementing man-machine-object interconnection.

Because the wireless transmission mode does not need to rely on the wiring harness for signal transmission, the space occupied by the wiring harness in the connector or the vehicle is reduced, so that installation space can be provided for more electronic devices, and more functions are realized.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A connector comprising at least one conductive portion and a shielding portion, the conductive portion being at least partially disposed within a cavity of the shielding portion, characterized in that: the magnetic field measuring device is arranged in the cavity, the conductive part forms a magnetic field in a current conduction state, and the magnetic field measuring device is used for measuring the strength of the magnetic field.

2. A connector according to claim 1, wherein: the magnetic field measuring device is arranged in the gradient direction of the magnetic field or in the direction perpendicular to the cutting direction.

3. A connector according to claim 1, wherein: the magnetic field measuring device is arranged on the connecting part in a bonding or clamping or screwing or inserting or welding mode.

4. A connector according to claim 1, wherein: and a protective bracket is sleeved outside the magnetic field measuring device.

5. A connector according to claim 1, wherein: the conductive part is a terminal or a cable.

6. A connector according to claim 1, wherein: a sealing pad is arranged between the conductive part and the protection part, and the magnetic field measuring device is arranged on the sealing pad.

7. A connector according to claim 1, wherein: and a signal transmission device connected with the magnetic field measuring device is also arranged in the cavity.

8. A connector according to claim 7, wherein: the signal transmission device is a wireless transmission module.

9. A connector according to claim 1, wherein: the protection part comprises a first protection part and a second protection part which are detachably connected, the magnetic field measuring device is arranged on the conductive part, and the projection of the inner wall of the cavity is at least partially overlapped with the joint of the first protection part and the second protection part.

10. A vehicle, characterized in that: comprising a connector according to any of claims 1-9, said magnetic field measuring device being connected to said vehicle control system via a wireless network.

11. The vehicle of claim 10, wherein the wireless network is any one of bluetooth, WIFI, NFC, 4G or 5G.