CN205231816U - Rifle control box charges - Google Patents

Rifle control box charges Download PDF

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Publication number
CN205231816U
CN205231816U CN201521061424.5U CN201521061424U CN205231816U CN 205231816 U CN205231816 U CN 205231816U CN 201521061424 U CN201521061424 U CN 201521061424U CN 205231816 U CN205231816 U CN 205231816U
Authority
CN
China
Prior art keywords
control box
microcontroller
circuit
detection circuit
charging gun
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.)
Expired - Fee Related
Application number
CN201521061424.5U
Other languages
Chinese (zh)
Inventor
周东
张建
盛昊骏
井党林
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.)
Ann Po Fu Central Electric (Shanghai) Co., Ltd.
Original Assignee
Delphi Electrical Centers Shanghai 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 Delphi Electrical Centers Shanghai Co Ltd filed Critical Delphi Electrical Centers Shanghai Co Ltd
Priority to CN201521061424.5U priority Critical patent/CN205231816U/en
Application granted granted Critical
Publication of CN205231816U publication Critical patent/CN205231816U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a rifle control box charges, the terminal comprises a microcontroller, this microcontroller is connected with the relay in the rifle main circuit that charges, the control box is still including the socket temperature measurement circuit who all is connected with microcontroller, plug temperature measurement circuit, input voltage detection circuitry and output current detection circuitry, socket temperature measurement circuit with the connector assembly of rifle charges, plug temperature measurement circuit locates and is connected with the rifle head of the rifle that charges, input voltage detection circuitry is connected with the input of main circuit, output current detection circuitry is connected with the output of main circuit. Compared with the prior art, the utility model discloses can be to the temperature of socket and plug to and input voltage and output current detect, and feed back to microcontroller, by microcontroller according to these data managements that detect following electrical works, the security can improve.

Description

A kind of charging gun control box
Technical field
The utility model relates to charging gun control field, especially relates to a kind of charging gun control box.
Background technology
At present; existing charging pile significantly can not meet current demand; and the distribution of charging pile is incomplete; distance parking stall is distant; suitable inconvenience, so portable charged rifle is one of charging modes of main flow in the future, but the unsteadiness of existing domestic power supply requires higher to the security performance of charging gun itself; but what have now does not often accomplish very comprehensive defencive function, can there is safe hidden danger.The short circuit safety problem etc. that the bad excess temperature of such as female contact causes.
Utility model content
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of charging gun control box is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of charging gun control box, comprise microcontroller, this microcontroller is connected with the relay in charging gun main circuit, described control box also comprises the socket temperature sensing circuit be all connected with microcontroller, plug temperature sensing circuit, input voltage detection circuit and output current detection circuit, described socket temperature sensing circuit is connected with the plug of charging gun, described plug temperature sensing circuit is located at and is connected with the rifle head of charging gun, described input voltage detection circuit is connected with the input of described main circuit, described output current detection circuit is connected with the output of described main circuit.
Described control box also comprises ground wire break detection circuit, and one end of this ground wire break detection circuit is connected with microcontroller, and the other end is connected on the ground wire of described main circuit.
Whether the described control box contact also comprised for detecting relay exists the contact detection circuitry binding fault, and one end of this contact detection circuitry is connected with microcontroller, and the other end is connected with described relay.
Described control box also comprises the electric-leakage detection circuit whether leaked electricity for detecting main circuit, and one end of this electric-leakage detection circuit is connected with microcontroller, and the other end is connected to the output of described main circuit.
Described control box also comprises burst data transfers circuit, and this burst data transfers circuit is connected with microcontroller.
Described control box also comprises ambient temperature detection circuit, and this ambient temperature detection circuit is connected with microcontroller.
Described control box also comprises AC/DC converter, and one end of this AC/DC converter is connected with microcontroller, and the other end is connected to the input of described main circuit.
Compared with prior art, the utility model has the following advantages:
1) can to the temperature of socket and plug, and input voltage and output current detect, and feed back to microcontroller, the Data Control relay work detected according to these by microcontroller, can improve fail safe.
2) ground wire break detection circuit can detect input protection ground wire wiring state, improves fail safe.
3) whether the contact that contact detection circuitry can detect relay has the fault of bonding, prevents contact bonding and relay phenomenon out of control.
4) electric-leakage detection circuit can carry out the monitoring of charging vehicle high-pressure system Leaked Current of Line to Ground, improves fail safe.
5) change standby by the change of pulse signal, charging, charging complete three kinds of states.
6) prevent temperature too high by testing environment temperature and cause the damage of device.
7) AC/DC converter can realize the power supply to MPU.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein: 1, microcontroller, 2, socket temperature sensing circuit, 3, plug temperature sensing circuit, 4, input voltage detection circuit, 5, output current detection circuit, 6, ground wire break detection circuit, 7, contact detection circuitry, 8, electric-leakage detection circuit, 9, burst data transfers circuit, 10, ambient temperature detection circuit, 11, AC/DC converter, 12, output switch drive circuit, 13, current sensor, 14, electricity leakage sensor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
A kind of charging gun control box, as shown in Figure 1, comprise microcontroller 1, this microcontroller 1 is connected with the relay in charging gun main circuit by output switch drive circuit 12, control box also comprises the socket temperature sensing circuit 2 be all connected with microcontroller 1, plug temperature sensing circuit 3, input voltage detection circuit 4 and output current detection circuit 5, socket temperature sensing circuit 2 is connected with the plug of charging gun, plug temperature sensing circuit 3 is located at and is connected with the rifle head of charging gun, input voltage detection circuit 4 is connected with the input of main circuit, output current detection circuit 5 is connected with the output of main circuit.Wherein, concrete, socket temperature sensing circuit 2 and plug temperature sensing circuit 3 can be temperature sensor and peripheral circuit composition thereof, input voltage detection circuit 4 and output current detection circuit 5 also can be realized by some chips selected on the market, because it is various informative, and concrete which kind of form of employing is not the category that the application discusses, therefore no longer describe in detail.
Concrete, socket temperature sensing circuit 2 can detect the temperature of the socket that charging gun input plug inserts, plug temperature sensing circuit 3 can detect the plug temperature that charging gun output socket connects, when arbitrary temperature overrun value, microcontroller 1 and block system relay are also reported to the police, and temperature return is then resumed work to scope of can resuming work; Input voltage detection circuit 4 and output current detection circuit 5 can detect input voltage and output current respectively, wherein input voltage measurement is by sampling to the dividing potential drop of input ac voltage and the second-order filter of amplifier, when voltage exceeds normal range (NR), automatic cut-off power is also reported to the police, resuming work after voltage resume normally also stablizes 3s, output electric current measure judges whether it is overcurrent work by the value reading current sensor 13, if it is cut off the electricity supply and report to the police, recovering after 10s.Continuous appearance three times then not in recovery, until re-power reset.
Control box also comprises ground wire break detection circuit 6; one end of this ground wire break detection circuit 6 is connected with microcontroller 1; the other end is connected on the ground wire of main circuit; concrete; ground wire break detection circuit 6 detects input protection ground wire wiring state, and when broken string occurs ground wire, microcontroller 1 can detect that AC-input voltage signal approximation is in zero; because alternating voltage loses with reference to ground after ground wire broken string, alternating voltage is in suspended state.Ground wire break detection circuit 6 can be a resistance, and when ground wire breaks, the level zero that it exports also can be other form, and because it is various informative, and concrete which kind of form of employing is not the category that the application discusses, therefore no longer describes in detail.
Whether the control box contact also comprised for detecting relay exists the contact detection circuitry 7 binding fault, one end of this contact detection circuitry 7 is connected with microcontroller 1, the other end is connected with relay, whether the contact that contact detection circuitry 7 detects relay has the fault of bonding, by difference closing relay, microcontroller 1 is detected, and different partial pressure value is to judge whether relay contact has the situation of bonding, finds that contact has bonding then report to the police and quit work.Contact detection circuitry 7 can be a resistance, when its exporting change postpones, then there is bonding, also can be other form, and because it is various informative, and concrete which kind of form of employing is not the category that the application discusses, therefore no longer describes in detail.
Control box also comprises the electric-leakage detection circuit 8 whether leaked electricity for detecting main circuit, one end of this electric-leakage detection circuit 8 is connected with microcontroller 1, the other end is connected to the output of main circuit, whether electric-leakage detection circuit 8 detects electric current by electricity leakage sensor 14 and balances, if find imbalance, trigger triggers, microcontroller 1 is cut off the electricity supply and is reported to the police, until re-power reset.Electric-leakage detection circuit 8 can select leakage current detect chip or relay, field effect transistor etc. together, according to the measurement data that electricity leakage sensor 14 sends, the level being used to indicate electric leakage is sent to microcontroller 1, also can be other form, because it is various informative, and concrete which kind of form of employing is not the category that the application discusses, therefore no longer describe in detail.
Control box also comprises burst data transfers circuit 9, and one end of this burst data transfers circuit 9 is connected with microcontroller 1, and the other end can be connected with automobile, also can be connected with the control board on charging gun, for return pulse signal, standby to complete, charging, the switching of charging complete three kinds of states.Burst data transfers circuit 9 can be one or more wire harness, or mating protection resistance, and because it is various informative, and concrete which kind of form of employing is not the category that the application discusses, therefore no longer describes in detail.
Control box also comprises ambient temperature detection circuit 10, and this ambient temperature detection circuit 10 is connected with microcontroller 1, and ambient temperature detection circuit 10 prevents temperature too high by testing environment temperature and causes the damage of device.When finding excess temperature, cut off the electricity supply by microcontroller 1 and report to the police, equitemperature is reduced to can resume work during recovery temperature.Ambient temperature detection circuit 10 can be made up of temperature sensor and peripheral circuit thereof, input voltage detection circuit 4 and output current detection circuit 5 also can be realized by some chips selected on the market, because it is various informative, and concrete which kind of form of employing is not the category that the application discusses, therefore no longer describe in detail.
Control box also comprises AC/DC converter 11, and one end of this AC/DC converter 11 is connected with microcontroller 1, and the other end is connected to the input of main circuit.

Claims (7)

1. a charging gun control box, comprise microcontroller (1), this microcontroller (1) is connected with the relay in charging gun main circuit, it is characterized in that, described control box also comprises the socket temperature sensing circuit (2) be all connected with microcontroller (1), plug temperature sensing circuit (3), input voltage detection circuit (4) and output current detection circuit (5), described socket temperature sensing circuit (2) is connected with the plug of charging gun, described plug temperature sensing circuit (3) is located at and is connected with the rifle head of charging gun, described input voltage detection circuit (4) is connected with the input of described main circuit, described output current detection circuit (5) is connected with the output of described main circuit.
2. a kind of charging gun control box according to claim 1, it is characterized in that, described control box also comprises ground wire break detection circuit (6), one end of this ground wire break detection circuit (6) is connected with microcontroller (1), and the other end is connected on the ground wire of described main circuit.
3. a kind of charging gun control box according to claim 1, it is characterized in that, whether the described control box contact also comprised for detecting relay exists the contact detection circuitry (7) binding fault, one end of this contact detection circuitry (7) is connected with microcontroller (1), and the other end is connected with described relay.
4. a kind of charging gun control box according to claim 1, it is characterized in that, described control box also comprises the electric-leakage detection circuit (8) whether leaked electricity for detecting main circuit, one end of this electric-leakage detection circuit (8) is connected with microcontroller (1), and the other end is connected to the output of described main circuit.
5. a kind of charging gun control box according to claim 1, is characterized in that, described control box also comprises burst data transfers circuit (9), and this burst data transfers circuit (9) is connected with microcontroller (1).
6. a kind of charging gun control box according to claim 1, is characterized in that, described control box also comprises ambient temperature detection circuit (10), and this ambient temperature detection circuit (10) is connected with microcontroller (1).
7. a kind of charging gun control box according to claim 1, it is characterized in that, described control box also comprises AC/DC converter (11), one end of this AC/DC converter (11) is connected with microcontroller (1), and the other end is connected to the input of described main circuit.
CN201521061424.5U 2015-12-17 2015-12-17 Rifle control box charges Expired - Fee Related CN205231816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521061424.5U CN205231816U (en) 2015-12-17 2015-12-17 Rifle control box charges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521061424.5U CN205231816U (en) 2015-12-17 2015-12-17 Rifle control box charges

Publications (1)

Publication Number Publication Date
CN205231816U true CN205231816U (en) 2016-05-11

Family

ID=55906861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521061424.5U Expired - Fee Related CN205231816U (en) 2015-12-17 2015-12-17 Rifle control box charges

Country Status (1)

Country Link
CN (1) CN205231816U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106712212A (en) * 2017-02-22 2017-05-24 朱小平 Charging lance with safer, reliable and effective charging
CN107026490A (en) * 2017-05-25 2017-08-08 浙江巨磁智能技术有限公司 Charging gun electric energy protection device
TWI595722B (en) * 2016-05-18 2017-08-11 台達電子工業股份有限公司 Charge gun and electric vehicle supply equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI595722B (en) * 2016-05-18 2017-08-11 台達電子工業股份有限公司 Charge gun and electric vehicle supply equipment
CN106712212A (en) * 2017-02-22 2017-05-24 朱小平 Charging lance with safer, reliable and effective charging
CN107026490A (en) * 2017-05-25 2017-08-08 浙江巨磁智能技术有限公司 Charging gun electric energy protection device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 201814 A seventh, No. 60 Yuan Yuan Road, Anting Town, Jiading District, Shanghai.

Patentee after: Ann Po Fu Central Electric (Shanghai) Co., Ltd.

Address before: 201814 A seventh, No. 60 Yuan Yuan Road, Anting Town, Jiading District, Shanghai.

Patentee before: Delphi Central Electric (Shanghai) Co., Ltd.

CP01 Change in the name or title of a patent holder
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160511

Termination date: 20181217

CF01 Termination of patent right due to non-payment of annual fee