CN218386055U - Household slow charging gun with temperature protection function for electric automobile - Google Patents

Household slow charging gun with temperature protection function for electric automobile Download PDF

Info

Publication number
CN218386055U
CN218386055U CN202222591907.2U CN202222591907U CN218386055U CN 218386055 U CN218386055 U CN 218386055U CN 202222591907 U CN202222591907 U CN 202222591907U CN 218386055 U CN218386055 U CN 218386055U
Authority
CN
China
Prior art keywords
cable
relay
charging gun
power plug
control box
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
Application number
CN202222591907.2U
Other languages
Chinese (zh)
Inventor
王艺淞
张明涛
陈卓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deep Blue Automotive Technology Co ltd
Original Assignee
Chongqing Changan New Energy Automobile Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Changan New Energy Automobile Technology Co Ltd filed Critical Chongqing Changan New Energy Automobile Technology Co Ltd
Priority to CN202222591907.2U priority Critical patent/CN218386055U/en
Application granted granted Critical
Publication of CN218386055U publication Critical patent/CN218386055U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model discloses an electric automobile household slow charging gun with temperature protection function, which comprises a power plug, an on-cable control box, a charging gun head and a cable, wherein the on-cable control box is respectively connected with the charging gun head and the power plug; the power plug is provided with three inserting pieces, namely an L inserting piece, an N inserting piece and a PE inserting piece; the on-cable control box comprises an MCU, a relay K1 and a relay K2; a live wire terminal L of the gun head of the charging gun is connected with a relay K1 of a cable control box through a cable, and the relay K1 is connected with an L inserting piece of a power plug through the cable; a zero line terminal N of the gun head of the charging gun is connected with a relay K2 of the on-cable control box through a cable, and the relay K2 is connected with an N inserting piece of the power plug through the cable; an NTC temperature resistance module is arranged in the power plug and is connected with the MCU. The utility model provides a because of the power socket and the incomplete power plug's that leads to of being connected unusual problem that generates heat.

Description

Household slow charging gun with temperature protection function for electric automobile
Technical Field
The utility model belongs to the technical field of the car rifle that charges, concretely relates to electric automobile is domestic fills rifle slowly with temperature protect function.
Background
In recent years, electric vehicles are rapidly progressing, and charging apparatuses for electric vehicles are roughly classified into two types: one type is public charging equipment such as a dc charging pile and an ac charging pile, which is installed in urban areas and is assumed to be used by unspecified majority of people; the other type is based on the convenience of charging, and the vehicle is slowly charged by directly using household 220V alternating current, such as a household slow charging gun.
When the household slow charging gun is used for charging an electric vehicle, a power plug needs to be inserted into a power socket arranged on the outer wall of a house, and the like.
Therefore, there is a need to develop a new electric vehicle household slow charging gun with temperature protection function.
Disclosure of Invention
An object of the utility model is to provide an electric automobile is domestic fills rifle slowly with temperature protect function to solve the unusual heating of power plug because of the incomplete connection of supply socket and power plug leads to.
The utility model relates to a household slow charging gun with temperature protection function for an electric automobile, which comprises a power plug, an on-cable control box, a charging gun head and a cable, wherein the on-cable control box is respectively connected with the charging gun head and the power plug; the power plug is provided with three inserting pieces, namely an L inserting piece, an N inserting piece and a PE inserting piece; the on-cable control box comprises an MCU, a relay K1 and a relay K2;
a live wire terminal L of the gun head of the charging gun is connected with a relay K1 of the control box on the cable through a cable, and the relay K1 is connected with an L inserting piece of the power plug through the cable;
a zero line terminal N of the gun head of the charging gun is connected with a relay K2 of the control box on the cable through a cable, and the relay K2 is connected with an N inserting piece of the power plug through the cable;
and an NTC temperature resistance module is arranged in the power plug and is connected with the MCU.
Optionally, the NTC temperature resistance module includes a second NTC temperature resistance, and the second NTC temperature resistance is connected to the MCU and is used for monitoring the internal temperature of the power plug.
Optionally, the second NTC temperature resistor is disposed between the blades L and N for monitoring the temperature between the blades L and N in the power plug.
Optionally, the NTC temperature resistance module includes a second NTC temperature resistance and a third NTC temperature resistance, and the second NTC temperature resistance and the third NTC temperature resistance are respectively connected to the MCU and are used for monitoring the temperature of the power plug in real time.
Optionally, the second NTC temperature resistor is placed beside the blade L, so that the temperature of the blade L of the power plug can be monitored accurately in real time.
Optionally, the third NTC temperature resistor is placed beside the blade N, so that the temperature of the blade N of the power plug can be monitored accurately in real time.
Optionally, the temperature monitoring device further comprises a first NTC temperature resistor arranged in the control box on the cable, and the first NTC temperature resistor is connected with the MCU and can monitor the internal temperature of the control box on the cable.
Optionally, the first NTC temperature resistor is placed between the relay K1 and the relay K2, and the integrated temperature of the relay K1 and the relay K2 inside the on-cable control box is monitored in real time.
The utility model has the advantages of it is following:
(1) The utility model solves the problem of abnormal heating of the power plug caused by incomplete connection between the power socket and the power plug;
(2) The utility model provides a domestic on-cable control box internal relay who fills the rifle slowly work and the heating that arouses.
To sum up, the utility model discloses avoid the domestic overheated problem of rifle in charging process of filling slowly, ensured the charging safety of vehicle.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural diagram of an NTC temperature resistor built in the power plug of the present embodiment;
FIG. 3 is a schematic structural diagram of two NTC temperature resistors built in the power plug of the present embodiment;
FIG. 4 is a schematic structural diagram of a NTC temperature resistor built in the control box on the cable in this embodiment;
FIG. 5 is a schematic circuit diagram of an NTC temperature resistor built in the power plug of the present embodiment;
FIG. 6 is a schematic circuit diagram of two NTC resistors built in the power plug of the present embodiment;
in the figure: 1. the charging gun comprises a power plug, 2, a cable upper control box, 3, a charging gun head, 4, a cable, 1-1, an inserting piece, 1-2, an inserting piece support frame, 1-3, a second NTC temperature resistor, 1-4, a third NTC temperature resistor, 2-1 and a first NTC temperature resistor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in this embodiment, an electric vehicle household slow charging gun with a temperature protection function is composed of a power plug 1, an on-cable control box 2, a charging gun head 3, and a cable 4, where the on-cable control box 2 is connected to the charging gun head 3 and the power plug 1, respectively. An NTC temperature resistance module is arranged in the power plug 1 and used for detecting the temperature in the power plug 1.
As shown in FIG. 2, the NTC temperature resistance module includes a second NTC temperature resistance 1-3. The power plug 1 is provided with three inserting pieces 1-1 which are respectively an L inserting piece, an N inserting piece and a PE inserting piece, and the L inserting piece, the N inserting piece and the PE inserting piece are all fixed on an inserting piece supporting frame 1-2. And a second NTC temperature resistor 1-3 is arranged between the inserting sheet L and the inserting sheet N, and the outside is subjected to injection molding and packaging. The temperature of the power plug 1, namely the temperature between the L plug blade and the N plug blade, is monitored through the second NTC temperature resistor 1-3.
As shown in FIG. 3, the NTC temperature resistance module comprises a second NTC temperature resistance 1-3 and a third NTC temperature resistance 1-4, the second NTC temperature resistance 1-3 is arranged beside the insert L, the third NTC temperature resistance 1-4 is arranged beside the insert N, and the outside is subjected to injection molding. The second NTC temperature resistor 1-3 is used for monitoring the temperature of the blade L of the power plug 1, and the third NTC temperature resistor 1-4 is used for monitoring the temperature of the blade N of the power plug 1.
As shown in fig. 4 to 6, the on-cable control box 2 includes an MCU, a relay K1, and a relay K2; live wire terminal L of rifle head 3 charges is connected with the relay K1 of control box 2 on the cable through cable 4, and relay K1 is connected with the L inserted sheet of power plug 1 through cable 4. Zero line terminal N of rifle head 3 charges is connected with relay K2 of control box 2 on the cable through cable 4, and relay K2 is connected with the N inserted sheet of power plug 1 through cable 4.
As shown in FIG. 4, a first NTC temperature resistor 2-1 is arranged in the cable control box 2, and the first NTC temperature resistor 2-1 is arranged between the relay K1 and the relay K2 and used for monitoring the comprehensive temperature of the relay K1 and the relay K2 during the charging operation of the household charging gun.
As shown in FIG. 5, the MCU of the on-cable control box 2 is connected to the first NTC temperature resistor 2-1 (i.e., NTC1 in FIG. 5), and receives the temperature value collected by the first NTC temperature resistor 2-1. The MCU of the on-cable control box 2 is connected to the second NTC temperature resistance 1-3 (i.e., NTC2 of fig. 5), and receives the temperature value collected by the second NTC temperature resistance 1-3. MCU real-time supervision cable is gone up 2 internal relay K1 of control box and the comprehensive temperature of relay K2 to and the comprehensive temperature of the L inserted sheet and the N inserted sheet in power plug 1. If the temperature exceeds the set over-temperature value of the MCU, the MCU controls the relay K1 and the relay K2 to be disconnected, over-temperature protection is carried out, and charging is stopped;
as shown in fig. 6, the MCU of the on-cable control box 2 is connected to the first NTC temperature resistor 2-1 (i.e., NTC1 in fig. 6), and receives the temperature value collected by the first NTC temperature resistor 2-1. The MCU of the on-cable control box 2 is connected to the third NTC temperature resistors 1-4 (i.e., NTC3 in fig. 6), and receives temperature values collected by the third NTC temperature resistors 1-4. The MCU of the on-cable control box 2 is connected to the second NTC temperature resistance 1-3 (i.e., NTC2 of fig. 6), and receives the temperature value collected by the second NTC temperature resistance 1-3. The MCU of the on-cable control box 2 monitors the comprehensive temperature of the relay K1 and the relay K2 inside the on-cable control box 2, the temperature of the L insert in the power plug and the temperature of the N insert in the power plug in real time. If the temperature exceeds the set over-temperature value of the MCU, the MCU controls the relay K1 and the relay K2 to be disconnected, over-temperature protection is carried out, and charging is stopped.
As shown in fig. 5 and 6, the on-cable control box 2 further includes a switch S2 and a resistor R1, and the MCU is connected to the CP terminal of the charging gun head 3 through the switch S2 and the resistor R1.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. A household slow charging gun with a temperature protection function for an electric automobile comprises a power plug (1), an on-cable control box (2), a charging gun head (3) and a cable (4), wherein the on-cable control box (2) is respectively connected with the charging gun head (3) and the power plug (1); the power plug (1) is provided with three inserting pieces (1-1) which are respectively an L inserting piece, an N inserting piece and a PE inserting piece; the method is characterized in that: the on-cable control box (2) comprises an MCU, a relay K1 and a relay K2;
a live wire terminal L of the charging gun head (3) is connected with a relay K1 of the on-cable control box (2) through a cable (4), and the relay K1 is connected with an L inserting piece of the power plug (1) through the cable (4);
a zero line terminal N of the charging gun head (3) is connected with a relay K2 of the cable upper control box (2) through a cable (4), and the relay K2 is connected with an N inserting piece of the power plug (1) through the cable (4);
an NTC temperature resistance module is arranged in the power plug (1) and is connected with the MCU.
2. The household slow charging gun with the temperature protection function for the electric automobile as claimed in claim 1, wherein: the NTC temperature resistance module comprises a second NTC temperature resistance (1-3), and the second NTC temperature resistance (1-3) is connected with the MCU.
3. The household slow charging gun with the temperature protection function for the electric automobile as claimed in claim 2, wherein: the second NTC temperature resistor (1-3) is arranged between the insert L and the insert N.
4. The household slow charging gun with the temperature protection function for the electric automobile as claimed in claim 1, wherein: the NTC temperature resistance module comprises a second NTC temperature resistance (1-3) and a third NTC temperature resistance (1-4), and the second NTC temperature resistance (1-3) and the third NTC temperature resistance (1-4) are respectively connected with the MCU.
5. The household slow charging gun with the temperature protection function for the electric automobile as claimed in claim 4, wherein: the second NTC temperature resistor (1-3) is arranged beside the insert L.
6. The electric vehicle household slow charging gun with the temperature protection function as claimed in claim 4 or 5, wherein: the third NTC temperature resistor (1-4) is arranged beside the inserting piece N.
7. The household slow charging gun with the temperature protection function for the electric automobile as claimed in any one of claims 1 to 3, characterized in that: the cable also comprises a first NTC temperature resistor (2-1) arranged in the control box (2) on the cable, and the first NTC temperature resistor (2-1) is connected with the MCU.
8. The household slow charging gun with the temperature protection function for the electric automobile according to claim 7, is characterized in that: the first NTC temperature resistance (2-1) is placed between the relay K1 and the relay K2.
9. The household slow charging gun with the temperature protection function for the electric automobile as claimed in claim 6, wherein: the cable also comprises a first NTC temperature resistor (2-1) arranged in the control box (2) on the cable, and the first NTC temperature resistor (2-1) is connected with the MCU.
10. The household slow charging gun with the temperature protection function for the electric automobile as claimed in claim 9, wherein: the first NTC temperature resistance (2-1) is placed between the relay K1 and the relay K2.
CN202222591907.2U 2022-09-29 2022-09-29 Household slow charging gun with temperature protection function for electric automobile Active CN218386055U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222591907.2U CN218386055U (en) 2022-09-29 2022-09-29 Household slow charging gun with temperature protection function for electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222591907.2U CN218386055U (en) 2022-09-29 2022-09-29 Household slow charging gun with temperature protection function for electric automobile

Publications (1)

Publication Number Publication Date
CN218386055U true CN218386055U (en) 2023-01-24

Family

ID=84956975

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222591907.2U Active CN218386055U (en) 2022-09-29 2022-09-29 Household slow charging gun with temperature protection function for electric automobile

Country Status (1)

Country Link
CN (1) CN218386055U (en)

Similar Documents

Publication Publication Date Title
CN107599857B (en) Pure electric vehicle charging system and charging method based on lithium battery
CN101599651B (en) General rapid intelligent charger and charging method thereof
CN104656026B (en) A kind of hybrid power automobile battery overcharges diagnostic method and system
CN203839477U (en) Low-temperature charging and heating device of automobile power battery and system
CN102655244B (en) Battery pack, electric storage system, electronic installation, electro-motive vehicle and electric power system
CN106828180B (en) Electric automobile charger, charging pile and charging management system
CN102969777A (en) Intelligent charging pile for electric vehicle storage battery
CN104393358A (en) Rapid nondestructive charging method of power-driven light automobile and charger
CN201444589U (en) Universal type rapid intelligent charger
CN108407652A (en) Charging detecting circuit and system
CN105048566A (en) Intelligent detection method for vehicle-mounted charger
CN103123995A (en) Heating and heat-insulation system for automotive battery
CN218386055U (en) Household slow charging gun with temperature protection function for electric automobile
CN208923894U (en) Portable DC charging machine device
CN111682600A (en) Internet of things charging cabinet capable of detecting abnormity of electric bicycle lithium battery
CN108815743A (en) A kind of electric bicycle automatic fire extinguishing system and its extinguishing method
CN115848322A (en) Electric vehicle charging system and method
CN212604566U (en) Electric vehicle battery charging protection device
CN205680759U (en) A kind of electrokinetic cell system with heating function
CN205104935U (en) A charging device for electric automobile quick change battery
CN105428739A (en) Slow-charging method and apparatus, and automobile
CN209593056U (en) Intelligent posture charger
CN205059308U (en) Batteries of electric vehicle management system based on labVIEW
CN211335615U (en) Intelligent charging and discharging detection system for household electric vehicle and intelligent charger
CN205029365U (en) Group battery management system and electronic or hybrid vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing

Patentee after: Deep Blue Automotive Technology Co.,Ltd.

Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing

Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd.

CP01 Change in the name or title of a patent holder