CN220209352U - Grounding device - Google Patents
Grounding device Download PDFInfo
- Publication number
- CN220209352U CN220209352U CN202320460184.4U CN202320460184U CN220209352U CN 220209352 U CN220209352 U CN 220209352U CN 202320460184 U CN202320460184 U CN 202320460184U CN 220209352 U CN220209352 U CN 220209352U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- board assembly
- jacks
- pins
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims description 6
- 241000463219 Epitheca Species 0.000 claims 5
- 230000001681 protective effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to the technical field of new energy automobile charging equipment, in particular to a grounding device, which comprises a main body, wherein three jacks are formed in the front surface of the main body, inserting sheets are arranged in the three jacks, three pins are arranged on the back surface of the main body, the three jacks and the three pins are positioned at the same vertical line, the jacks vertically correspond to the pin positions, a circuit board assembly is arranged in the main body, a live wire, a zero wire and a ground wire which are communicated with the three pins and the three jacks are arranged on the circuit board assembly, a resistor is arranged on the ground wire, the ground wire is connected on the zero wire in series, a power metering chip and a power-off relay are arranged on the circuit board assembly, the power-off relay is positioned on the live wire and/or the zero wire, and the power-off relay can cut off the current at two ends of the live wire and/or the zero wire so that the current cannot pass; when the current or voltage passing through the circuit board assembly is larger than or lower than a preset value, the main control chip on the circuit board assembly can control the power-off relay to work, so that the three pins and the three jacks are disconnected in current, and automatic power-off can be realized when the zero and the fire wires are connected reversely.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile charging equipment, and particularly relates to a grounding device.
Background
Due to the popularization of new energy vehicles, more and more household vehicles select new energy vehicles, namely, some pure electric vehicles without gasoline. Although the new energy vehicle does not need to be filled with gasoline, charging is still a problem. Particularly, when no special charging pile is arranged in the home, a plurality of new energy vehicles can select a more rapid portable charging gun, and one end of the charging gun is required to be inserted into a socket, and the other end of the charging gun is required to be inserted into the vehicle for use; for the safety of charging, this kind of rifle that charges needs the socket to have ground wire when using, and when the ground wire detection module on the rifle that charges detects the socket and does not have the ground wire, the rifle that charges just can not normally charge. And many old houses are two zero live wires, and the socket lacks the ground wire, leads to unable normal use. The ground device is characterized in that the ground device is provided with a plurality of grounding pins, each grounding pin is connected with a ground wire, the ground pin is connected with a ground wire detection module, and the ground pin detection module is connected with a power supply.
However, there is a problem that the live wire and the neutral wire in the grounding device are exchanged when the grounding device is used because the live wire and the neutral wire are reversely connected, the ground wire of the ground wire detection module originally connected to the neutral wire for misleading the charging gun can be connected to the live wire, and the ground wire and the live wire are connected to generate potential safety hazards.
Disclosure of Invention
The utility model aims to provide a grounding device which is simple in structure, safer and capable of realizing automatic power failure when a zero line is connected reversely.
The purpose of the utility model is realized in the following way:
the utility model provides a ground connection treasured, includes the main part, three jacks have been seted up to the main part front, be provided with the inserted sheet in the three jacks, the back of main part is provided with three and takes in, three jacks are in same vertical line with three and take in, and the jack corresponds from top to bottom with the position of taking in, the inside circuit board subassembly that is provided with of main part, be equipped with live wire, zero line and the ground wire of intercommunication three and three jacks on the circuit board subassembly, be provided with the resistance on the ground wire to the ground wire is established ties on the zero line, is provided with power metering chip and outage relay on the circuit board subassembly, and power metering chip is arranged in detecting the electric current and the voltage that pass through in the circuit board subassembly, outage relay is located live wire and/or zero line, and outage relay can break off the both ends electric current of live wire and/or zero line, makes the electric current unable to pass through;
when the current or voltage passing through the circuit board assembly is larger than or lower than a preset value, the main control chip on the circuit board assembly can control the power-off relay to work, so that the three pins and the three jacks are disconnected.
The main body comprises a base, an upper shell and a display screen arranged on the upper shell, the circuit board assembly is fixed on the base, the three pins and the three jacks are respectively arranged on the base and the upper shell and are connected with the circuit board assembly through wires, the upper shell is also provided with a mounting opening for mounting the display screen, the display screen is positioned above the circuit board assembly, the circuit board assembly is provided with a socket, the bottom of the display screen is provided with corresponding pins, and when the display screen is mounted on the upper shell, the pins at the bottom of the display screen are inserted into the sockets on the circuit board assembly.
In the utility model, a protective cover is arranged on the outer side of the display screen, and the protective cover is clamped on the outer side of the mounting port.
According to the utility model, the base is provided with the mounting part, the circuit board assembly is provided with the plurality of mounting holes, and the circuit board can be fixed on the mounting part through screws.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
the utility model relates to a grounding device capable of enabling a socket without a ground wire to charge a new energy vehicle, which structurally comprises a main body, wherein the front surface of the main body is provided with three jacks for connecting a charging gun plug, the back surface of the main body is provided with three pins for connecting a household electrified socket, the three pins are connected with the three jacks through a circuit board, the three jacks and the three pins are positioned at the same vertical line, the jacks and the pin positions are vertically corresponding, so that a user can conveniently insert the charging gun plug into the three jacks of the utility model, the stress cannot deviate, the three jacks and the three pins are misplaced in the past, and when the charging gun plug is inserted into the three jacks, the three pins of the grounding device are easily separated from the household electrified socket, and in some cases, two hands are needed.
The utility model directly connects the heavy current in the household socket into the circuit board assembly, thus the voltage, current and electricity consumption passing through the circuit board assembly can be detected, and the temperature is also detected, the circuit board assembly is provided with the power metering chip, the chip can detect the corresponding value, when the real-time voltage or current is larger or smaller than the preset value, namely overvoltage, overcurrent, undervoltage and undercurrent, the main control chip receives the signal and controls the power-off relay to work, and the three jacks and three pins on the grounding device are powered off, so that some potential safety hazards are avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a side view of the present utility model.
Fig. 4 is a schematic illustration of the structure of the present utility model with the housing removed.
Fig. 5 is an exploded view of the present utility model.
Fig. 6 is a side view of a circuit board assembly and display screen of the present utility model.
The meaning indicated by the reference numerals in the figures:
1-a main body; 2-three jacks; 3-three pins; 4-a circuit board assembly; 5-a power metering chip;
6-a power-off relay; 7-a base; 8-an upper shell; 9-a display screen; 10-a mounting port; 11-socket; 12-inserting pins; 13-a protective cover; 14-a mounting part; 15-mounting holes.
Detailed Description
The utility model is further described with reference to the following specific examples:
the utility model provides a ground connection treasured, includes main part 1, three jack 2 has been seted up in main part 1 front, is provided with the inserted sheet in the three jack 2, the back of main part 1 is provided with three and takes in 3, three jack 2 is in same vertical line with three and takes in 3, and the jack corresponds from top to bottom with the position of taking in, main part 1 is inside to be provided with circuit board assembly 4, be equipped with live wire, zero line and the ground wire of intercommunication three and three jack 2 on the circuit board assembly 4, be provided with the resistance on the ground wire to the ground wire is established ties on the zero line, be provided with power metering chip 5 and outage relay 6 on the circuit board assembly 4, power metering chip 5 is arranged in detecting the electric current and the voltage that pass through in the circuit board assembly 4, outage relay 6 is located on live wire and/or the zero line, outage relay 6 can break off live wire and/or zero line's both ends electric current, makes the electric current unable to pass through;
when the current or voltage passing through the circuit board assembly 4 is greater than or lower than a preset value, the main control chip on the circuit board assembly 4 controls the power-off relay 6 to work, so that the three pins 3 are disconnected with the three jacks 2 in current.
The utility model relates to a grounding device capable of enabling a socket without a ground wire to charge a new energy vehicle, which structurally comprises a main body 1, wherein the front surface of the main body 1 is provided with three jacks 2 for connecting a charging gun plug, the back surface of the main body is provided with three pins 3, the three pins 3 are used for connecting a household electrified socket, the three pins 3 are connected with the three jacks 2 through a circuit board, the three jacks 2 and the three pins 3 are positioned in the same vertical line, and the jacks correspond to the pin positions up and down, so that a user can conveniently insert the charging gun plug into the three jacks 2 of the utility model, the stress cannot deviate, the three jacks 2 and the three pins 3 are misplaced with each other in the past, and when the charging gun plug is inserted into the three jacks 2, the three pins 3 of the grounding device are easy to separate from the household electrified socket, and sometimes two hands are needed to operate.
The utility model directly connects the heavy current in the household socket into the circuit board assembly 4, so that the voltage, current and electricity consumption passing through the circuit board assembly 4 can be detected, and the temperature is also detected, the circuit board assembly 4 is internally provided with the power metering chip 5, the chip can detect the corresponding value, and when the real-time voltage or current is larger or smaller than the preset value, namely overvoltage, overcurrent, undervoltage and undercurrent, the main control chip receives the signal and controls the power-off relay 6 to work, and the three jacks 2 and the three pins 3 on the grounding device are powered off, so that some potential safety hazards are avoided.
According to the preferred scheme of the utility model, the main body 1 comprises a base 7, an upper shell 8 and a display screen 9 arranged on the upper shell 8, the circuit board assembly 4 is fixed on the base 7, the three pins 3 and the three jacks 2 are respectively arranged on the base 7 and the upper shell 8, the three pins 3 and the three jacks 2 are connected with the circuit board assembly 4 through wires, the upper shell 8 is also provided with a mounting opening 10 for mounting the display screen 9, the display screen 9 is positioned above the circuit board assembly 4, the circuit board assembly 4 is provided with a socket 11, the bottom of the display screen 9 is provided with corresponding pins 12, and when the display screen 9 is mounted on the upper shell 8, the pins 12 at the bottom of the display screen 9 are inserted into the sockets 11 on the circuit board assembly 4.
After the display screen 9 is connected with the circuit board assembly 4, the display screen 9 can display the voltage, current, electricity consumption, temperature and other numerical values in the grounding device, so that a user can know various parameters in the using process conveniently. Secondly, in order to produce and install more quickly, the socket 11 is arranged at the fixed position of the circuit board assembly 4, the pin 12 is arranged at the bottom of the display screen 9 at the corresponding position of the socket 11, the size of the display screen 9 corresponds to the size of the installation opening 10 on the upper shell 8, when the display screen 9 is installed, the display screen 9 is placed in the installation opening 10, at the moment, the pin 12 just corresponds to the socket 11, and the installation of the display screen 9 can be completed by pressing downwards, so that the installation speed is higher.
In a preferred embodiment of the present utility model, a protective cover 13 is disposed on the outer side of the display 9, and the protective cover 13 is clamped on the outer side of the mounting opening 10. The protective cover 13 is used to prevent the display screen 9 from falling off from the mounting opening 10.
In a preferred embodiment of the present utility model, the base 7 is provided with a mounting portion 14, and the circuit board assembly 4 is provided with a plurality of mounting holes 15, so that the circuit board can be fixed on the mounting portion 14 by screws. The installation position of the circuit board assembly 4 is fixed, so that the accuracy of the positions of the pins 12 and the sockets 11 is ensured when the display screen 9 is installed.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (4)
1. A ground connection treasured, its characterized in that: the three-pin power supply device comprises a main body (1), wherein three jacks (2) are formed in the front surface of the main body (1), inserting sheets are arranged in the three jacks (2), three pins (3) are arranged on the back surface of the main body (1), the three jacks (2) and the three pins (3) are located on the same vertical line, the jacks correspond to the pins in position up and down, a circuit board assembly (4) is arranged in the main body (1), a live wire, a zero line and a ground wire which are communicated with the three pins (3) and the three jacks (2) are arranged on the circuit board assembly (4), a resistor is arranged on the ground wire, the ground wire is connected in series with the zero line, a power metering chip (5) and a power-off relay (6) are arranged on the circuit board assembly (4), the power metering chip (5) is used for detecting current and voltage which pass through the circuit board assembly (4), the power-off relay (6) is located on the live wire and/or the zero line, and the current at two ends of the live wire and/or the zero line can be disconnected, so that the current cannot pass through the circuit;
when the current or voltage passing through the circuit board assembly (4) is larger than or lower than a preset value, the main control chip on the circuit board assembly (4) can control the power-off relay (6) to work, so that the three pins (3) are disconnected with the three jacks (2) in current.
2. A grounding strap as defined in claim 1, wherein: the main part (1) is including base (7), epitheca (8) and set up display screen (9) on epitheca (8), circuit board assembly (4) are fixed in on base (7), three participate in (3) and three jack (2) and set up respectively on base (7) and epitheca (8) to three participate in (3) are connected with circuit board assembly (4) through the electric wire with three jack (2), still set up on epitheca (8) and be used for installing mouth (10) of display screen (9), display screen (9) are located circuit board assembly (4) top, are provided with socket (11) on circuit board assembly (4), and display screen (9) bottom is equipped with corresponding contact pin (12), when display screen (9) are installed on epitheca (8), contact pin (12) of display screen (9) bottom are inserted in socket (11) on circuit board assembly (4).
3. A grounding strap as defined in claim 2, wherein: the outside of display screen (9) is provided with visor (13), visor (13) card is in the installation mouth (10) outside.
4. A grounding strap according to claim 2 or 3, characterized in that: the base (7) is provided with a mounting part (14), the circuit board assembly (4) is provided with a plurality of mounting holes (15), and the circuit board can be fixed on the mounting part (14) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320460184.4U CN220209352U (en) | 2023-03-13 | 2023-03-13 | Grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320460184.4U CN220209352U (en) | 2023-03-13 | 2023-03-13 | Grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209352U true CN220209352U (en) | 2023-12-19 |
Family
ID=89143851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320460184.4U Active CN220209352U (en) | 2023-03-13 | 2023-03-13 | Grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209352U (en) |
-
2023
- 2023-03-13 CN CN202320460184.4U patent/CN220209352U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101226861A (en) | Socket type earth fault line breaker | |
| CN220209352U (en) | Grounding device | |
| CN210174666U (en) | Intelligent charging stake with alarm function | |
| CN201383610Y (en) | Plug converter | |
| CN109818212B (en) | Intelligent extension socket with waterproof and electric quantity detection functions and charging and billing method thereof | |
| CN106207690A (en) | A kind of safety socket by plug rotating power on/off | |
| CN210136777U (en) | AC lifting transformer | |
| CN219018060U (en) | Grounding device | |
| CN206727366U (en) | Cylinder manifold and the high voltage system containing it | |
| CN201233940Y (en) | Emergency general-purpose charger | |
| CN112865240A (en) | Portable low-power voltage-adjustable power supply device | |
| CN214673330U (en) | Multifunctional power strip | |
| CN212182642U (en) | Wall-in type intelligent socket | |
| CN220605136U (en) | Charging gun | |
| CN215266948U (en) | Intelligent grounding socket | |
| CN218101799U (en) | Switch socket convenient for wiring | |
| CN216761466U (en) | Charging device for electric vehicle and electric vehicle | |
| CN210273570U (en) | Wireless hand pulse charging base | |
| CN2466818Y (en) | Single-phase three-pin safety socket | |
| CN218896902U (en) | Electric shock prevention socket structure | |
| CN202949117U (en) | Electric storage type multifunctional power socket with USB interfaces | |
| CN215645328U (en) | Wall switch with charger | |
| CN219018061U (en) | New energy vehicle rifle that charges | |
| CN211089225U (en) | Power-off protection device for vehicle-mounted equipment | |
| CN217639480U (en) | Power line detection tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |