CN207381646U - A kind of attaching plug with earth leakage protective and overheat protector - Google Patents
A kind of attaching plug with earth leakage protective and overheat protector Download PDFInfo
- Publication number
- CN207381646U CN207381646U CN201721231083.0U CN201721231083U CN207381646U CN 207381646 U CN207381646 U CN 207381646U CN 201721231083 U CN201721231083 U CN 201721231083U CN 207381646 U CN207381646 U CN 207381646U
- Authority
- CN
- China
- Prior art keywords
- bolt
- relay
- pole
- plug
- zero
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a kind of attaching plug with earth leakage protective and overheat protector, including bolt, housing, temperature sensor, DC relay, control circuit board and current sensor；The bolt and housing injection are integral, are arranged at the bottom surface of housing, other described electronic components may be contained in housing；The DC relay is divided into two and is installed in control circuit board, and terminals are connected respectively with the phase pole of bolt and zero pole, and another terminals are connected respectively with two plug buttock lines through current sensor, and the earth polar bolt is directly connected with plug buttock line；The temperature sensor is two, is located at respectively at the phase pole and zero pole of bolt；The electronic component is connected with control circuit board.This kind of attaching plug, it is simple in structure, securely and reliably, high-volume is facilitated to install and produce；There is earth leakage protective and overheat protector simultaneously, improve the security of attaching plug.
Description
Technical field
The utility model is related to a kind of attaching plugs, and in particular to a kind of power supply with earth leakage protective and overheat protector is inserted
Head belongs to electric vehicle charging and other larger current electrical domains.
Background technology
The attaching plug in mainstream charging device of electric automobile market does not possess earth leakage protective and temperature protection in itself at present
Function；The leakage protecting plug of a small number of high-power household electrical appliance carries the earth leakage protective of mechanical device, and buckle releaser is typically all
It is realized with dynamic/static contact.
Phenomena such as buckle releaser of existing high-power electric appliance leakage protecting plug is susceptible to loose contact and burn plug, and
Existing leakage protecting plug does not have overheat protector function generally, especially under electric vehicle large current charge scene, to electric appliance
Safeguard protection deficiency.
The content of the invention
Goal of the invention：The utility model aim is in view of the deficiencies of the prior art, to provide a kind of while there is electric leakage to protect
The attaching plug of shield and overheat protector can be used in fields such as electric vehicle chargings, and at the same time with earth leakage protective, mistake
Warm defencive function and new plug contactor structure, to improve the safety and reliability of plug.
Technical solution：A kind of attaching plug with earth leakage protective and overheat protector described in the utility model, including bolt, shell
Body, temperature sensor, DC relay, control circuit board and current sensor；
The bolt is respectively phase pole bolt, zero pole bolt and earth polar bolt, and the bolt and housing injection are integral, if
The bottom surface of housing is placed in, the temperature sensor, DC relay, control circuit board and current sensor are arranged in housing；
The DC relay is two, is respectively phase pole DC relay and zero extremely direct relay, is mounted on controlling
On circuit board processed, phase pole bolt and the wiring with phase pole DC relay and zero pole DC relay respectively of zero pole bolt
End connection, the phase pole of the plug buttock line and zero polar conductor through after current sensor respectively with phase pole DC relay and zero pole
Another terminals connection of DC relay, ground wire of the earth polar bolt directly with plug buttock line are connected；
The temperature sensor is two, is respectively arranged at phase pole bolt and zero pole snibbing position；
The current sensor, temperature sensor, phase pole DC relay and zero pole DC relay are and control circuit
Control unit connection on plate.
Further, the housing includes upper casing and lower casing, and upper casing is sealed with lower casing junction using sealing ring.
Further, the temperature sensor uses is close to phase pole bolt and zero pole bolt but discontiguous mode cloth respectively
It puts, adhering with epoxy resin is used between the temperature sensor and phase pole bolt and zero pole bolt.
Further, the attaching plug tail end is provided with buckle for locking wire and cable tail sleeve, the buckle for locking wire locking plug tail
Line, plug buttock line outlet after the sealing of cable tail sleeve.
Advantageous effect：（1）The buckle releaser of existing high-power electric appliance attaching plug is replaced using relay, simple in structure, peace
It is complete reliable, high-volume is facilitated to install and produce；
（2）Using control circuit and temperature sensor/current sensor automatic control relay to realize the break-make of circuit,
There is earth leakage protective and overheat protector simultaneously, improve the security of attaching plug；
（3）Using DC relay, the switch motion time is reduced, there is higher reliability and temperature tolerance, ensures control
Circuit disconnects main circuit in time.
Description of the drawings
Fig. 1 is a kind of attaching plug schematic diagram with earth leakage protective and overheat protector.
In figure, 1- bolts, 2- lower casings, 3- DC relays, 4- control circuit boards, 5- upper casings, 6- temperature sensors, 7- are close
Seal, 8- current sensors, 9- buckle for locking wire, 10- cable tail sleeves.
Specific embodiment
Technical solutions of the utility model are described in detail below by attached drawing, but the scope of protection of the utility model
It is not limited to the embodiment.
Embodiment：A kind of attaching plug with earth leakage protective and overheat protector, it is characterised in that：Including bolt 1, housing,
Temperature sensor 6, DC relay 3, control circuit board 4 and current sensor 8.
The housing includes upper casing 5 and lower casing 2, and upper casing 5 is sealed with 2 junction of lower casing using sealing ring.The bolt 1 divides
Not Wei phase pole bolt, zero pole bolt and earth polar bolt, it is and integral with housing injection, be arranged at the bottom surface of housing, the temperature
Sensor 6, DC relay 3, control circuit board 4 and current sensor 8 are arranged in housing.
The DC relay 3 is two, is respectively phase pole DC relay and zero extremely direct relay, is mounted on controlling
On circuit board 4 processed.
Phase pole bolt and zero pole bolt respectively with phase pole DC relay and a terminals of zero pole DC relay
Connection, the phase pole of the plug buttock line and zero polar conductor through after current sensor 8 respectively with phase pole DC relay and zero pole
Another terminals connection of direct relay.
Ground wire of the earth polar bolt directly with plug buttock line is connected.
The temperature sensor 6 is two, is respectively arranged at phase pole bolt and zero pole snibbing position；The temperature
Adhering with epoxy resin is used between sensor 6 and phase pole bolt and zero pole bolt.
The current sensor 8, temperature sensor 6, phase pole DC relay and zero pole DC relay are electric with control
Control unit connection on road plate 4.
The attaching plug tail end is provided with buckle for locking wire 9 and cable tail sleeve 10, the 9 locking plug buttock line of buckle for locking wire, institute
State the outlet after the sealing of cable tail sleeve 10 of plug buttock line.
Attaching plug in use, once the temperature that temperature sensor 6 monitors be more than predetermined value when, temperature sensing
Actuating signal is passed to control circuit board 4 by device 6, and the control circuit in control circuit board 4 outputs control signals to DC relay
3,3 disconnecting circuit of order DC relay, the power supply of fast shut-off plug plays the function of overheat protector.
When current sensor 8 detects that leakage current is more than predetermined value, actuating signal is passed to control by current sensor 8
Circuit board 4, the control circuit in control circuit board 4 output control signals to DC relay 3, and order DC relay 3 disconnects
Circuit, the power supply of disconnecting plug reach earth leakage protective effect.
This example has overheat protector and creepage protection function simultaneously, ensures the security of attaching plug；And using direct current
Relay 3 replaces the buckle releaser of existing leakage protecting plug sound contact, and dependable performance is simple in structure, quality controllable, especially just
Just mass production has greater advantage in electric vehicle charging industry.
As described above, although the utility model has been represented and described with reference to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.The spirit and scope of the utility model that appended claims define are not being departed from
Under the premise of, it can various changes can be made in the form and details to it.
Claims (4)
1. a kind of attaching plug with earth leakage protective and overheat protector, it is characterised in that：Including bolt, housing, temperature sensor,
DC relay, control circuit board and current sensor；
The bolt is respectively phase pole bolt, zero pole bolt and earth polar bolt, and the bolt and housing injection are integral, are arranged at
The bottom surface of housing, the temperature sensor, DC relay, control circuit board and current sensor are arranged in housing；
The DC relay is two, is respectively phase pole DC relay and zero extremely direct relay, is mounted on control electricity
On the plate of road, phase pole bolt and zero pole bolt connect respectively with a terminals of phase pole DC relay and zero pole DC relay
Connect, the phase pole of the plug buttock line and zero polar conductor through after current sensor respectively with phase pole DC relay and zero extremely directly
Another terminals connection of relay, ground wire of the earth polar bolt directly with plug buttock line are connected；
The temperature sensor is two, is respectively arranged at phase pole bolt and zero pole snibbing position；
The current sensor, temperature sensor, phase pole DC relay and zero pole DC relay in control circuit board
Control unit connection.
2. a kind of attaching plug with earth leakage protective and overheat protector according to claim 1, it is characterised in that：The shell
Body includes upper casing and lower casing, and upper casing is sealed with lower casing junction using sealing ring.
3. a kind of attaching plug with earth leakage protective and overheat protector according to claim 1, it is characterised in that：The temperature
Phase pole bolt and zero pole bolt are close in degree sensor use respectively but discontiguous mode is arranged, the temperature sensor and phase pole
Adhering with epoxy resin is used between bolt and zero pole bolt.
4. a kind of attaching plug with earth leakage protective and overheat protector according to claim 1, it is characterised in that：The electricity
Source plug tail end is provided with buckle for locking wire and cable tail sleeve, and the buckle for locking wire locking plug buttock line, the plug buttock line is through cable tail
Outlet after set sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231083.0U CN207381646U (en) | 2017-09-25 | 2017-09-25 | A kind of attaching plug with earth leakage protective and overheat protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231083.0U CN207381646U (en) | 2017-09-25 | 2017-09-25 | A kind of attaching plug with earth leakage protective and overheat protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381646U true CN207381646U (en) | 2018-05-18 |
Family
ID=62340626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721231083.0U Active CN207381646U (en) | 2017-09-25 | 2017-09-25 | A kind of attaching plug with earth leakage protective and overheat protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381646U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560434A (en) * | 2019-01-14 | 2019-04-02 | 南京康尼机电股份有限公司 | A kind of attaching plug with overheat protector |
| CN110488146A (en) * | 2019-04-02 | 2019-11-22 | 许继电气股份有限公司 | A kind of DC distribution net type insulation monitoring system and D.C. isolation monitoring device |
| FR3087584A1 (en) * | 2018-10-23 | 2020-04-24 | Aptiv Technologies Limited | CONNECTION DEVICE FOR VEHICLE HAVING A TEMPERATURE SENSOR |
| US12017550B2 (en) | 2018-10-23 | 2024-06-25 | Aptiv Technologies AG | Connection device for vehicle equipped with a temperature sensor |
-
2017
- 2017-09-25 CN CN201721231083.0U patent/CN207381646U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3087584A1 (en) * | 2018-10-23 | 2020-04-24 | Aptiv Technologies Limited | CONNECTION DEVICE FOR VEHICLE HAVING A TEMPERATURE SENSOR |
| WO2020084479A1 (en) * | 2018-10-23 | 2020-04-30 | Aptiv Technologies Limited | Connection device for a vehicle equipped with a temperature sensor |
| US11642974B2 (en) | 2018-10-23 | 2023-05-09 | Aptiv Technologies Limited | Connection device for vehicle equipped with a temperature sensor |
| US11745609B2 (en) | 2018-10-23 | 2023-09-05 | Aptiv Technologies Limited | Connection device for vehicle equipped with a temperature sensor |
| US12017550B2 (en) | 2018-10-23 | 2024-06-25 | Aptiv Technologies AG | Connection device for vehicle equipped with a temperature sensor |
| CN109560434A (en) * | 2019-01-14 | 2019-04-02 | 南京康尼机电股份有限公司 | A kind of attaching plug with overheat protector |
| CN110488146A (en) * | 2019-04-02 | 2019-11-22 | 许继电气股份有限公司 | A kind of DC distribution net type insulation monitoring system and D.C. isolation monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207381646U (en) | A kind of attaching plug with earth leakage protective and overheat protector | |
| CN105375206A (en) | Charging plug, charging cable and charging method for an electric vehicle | |
| CN207200350U (en) | A kind of excess temperature overvoltage crowbar and intelligent terminal | |
| CN102927690A (en) | Water heater and electric leakage and dry burning preventing detection method thereof | |
| CN208954274U (en) | A kind of detection warning device of strong magnetic field proof interference stealing | |
| CN206962289U (en) | A kind of electronic equipment block terminal | |
| CN209413983U (en) | A kind of automobile cooling system is used for the electromagnetic solenoid of velocity test | |
| CN203466073U (en) | Capacitor | |
| CN206470346U (en) | A kind of ground detecting system | |
| CN205484644U (en) | A grounding detection cabinet for polycrystalline silicon reduction system | |
| CN204103467U (en) | A kind of protective circuit of automobile instrument circuit | |
| CN207366622U (en) | Differential protection cable socket and the Current Mutual Inductance circuit protection device being made from it | |
| CN204189600U (en) | A kind of zero-sequence transformer on electric heater | |
| CN207535704U (en) | A kind of voltage-suppressing circuit and electric vehicle | |
| CN109066216A (en) | A kind of electric car conduction chargeable connection device and its for plug | |
| CN104715961B (en) | Terminal unit, pole and the chopper using the pole | |
| CN206038780U (en) | Prevent high -pressure electric charge sensor | |
| CN204372280U (en) | A kind of automobile-used DC electromagnetic valve and the components and parts protective gear that is connected thereof | |
| CN205645709U (en) | Moulded case circuit breaker electronic module joins externally shunt opening device | |
| CN106887775B (en) | Earthing detection protects plug and washing machine | |
| CN203882690U (en) | An electric wire and short circuit alarm system | |
| CN208890634U (en) | A kind of power protecting circuit | |
| CN203520199U (en) | Intelligent electric heater control cabinet | |
| CN214542437U (en) | Protection device for battery | |
| CN212968343U (en) | Socket with anti-demagnetization protection function, anti-demagnetization protection module and compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |