CN112072748A - Charging over-temperature control method for direct-current charging gun - Google Patents
Charging over-temperature control method for direct-current charging gun Download PDFInfo
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- CN112072748A CN112072748A CN202010945805.9A CN202010945805A CN112072748A CN 112072748 A CN112072748 A CN 112072748A CN 202010945805 A CN202010945805 A CN 202010945805A CN 112072748 A CN112072748 A CN 112072748A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/12—Electric charging stations
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a charging over-temperature control method for a direct current charging gun. In this electric automobile rifle that charges, be provided with temperature sensor, charge the control and gather and communicate with the backstage through wireless communication module after with data processing. The charging gun real-time temperature detection system realizes control of safe charging of the charging pile by detecting the real-time temperature of the charging gun, makes full use of the advantages of the Internet of things and big data processing, and meets the requirements of users.
Description
Technical Field
The invention relates to a charging over-temperature control method for a direct current charging gun.
Background
With the rapid development of new energy electric vehicles, the application of charging piles matched with the charging of the electric vehicles is more and more extensive. Simultaneously, the car owner has proposed higher and higher requirement to electric automobile's the speed of charging, along with the continuous progress of present battery technology for the charging current that the battery can accept is also bigger and bigger, along with the high-power, extremely quick market demand of charging of ever-increasing, fills electric pile on the market also basically uses powerful direct current to fill electric pile fast as the mainstream.
The charging of the power battery of the electric automobile is mainly realized by connecting a charging pile with a charging interface of the electric automobile through the charging gun, the state can be compatible with vehicles between different charging pile manufacturers and different vehicle enterprises in order to unify different charging piles, the unified standard of the charging interface is formulated, the charging gun designed based on the standard of the charging interface is provided, the maximum charging current of the current mainstream product is 250A, the charging gun is mainly based on the direct-current quick charging pile due to the current market demand, so the charging current used by the charging gun under many conditions is very large, and the maximum current capable of being output by the charging gun is almost reached. Because the rifle that charges is inserted on the electric automobile interface that charges when charging electric automobile, carries out the electric energy transmission through the mutual contact of copper public female terminal between the two. The contact of the terminal can generate contact resistance, when the terminal is abraded due to some reasons, such as that the charging gun is not completely inserted in place, or the charging gun/electric vehicle interface is used for a long time, so that the contact resistance can be increased when the charging gun and the charging gun are not in good contact, the heating of the charging gun is serious, potential safety hazards are caused, and even the ignition danger is generated.
For the danger that the charging gun may cause due to the temperature rise, the research is also carried out in the industry, and a better effect is produced, for example, the invention patent application publication number of china CN 109460087 a discloses an ac/dc integrated temperature control charging device, in which the temperature is detected on the charging gun of the charging pile, the ac/dc integrated temperature control charging device is used for charging the vehicle, and the ac/dc integrated temperature control charging device comprises: the charging device comprises a charging pile body and a plurality of charging guns arranged on the charging pile body, wherein the charging guns are divided into an alternating current charging gun and a direct current charging gun, and at least one temperature sensor is arranged in each of the alternating current charging gun and the direct current charging gun; the charging pile body is started according to user operation, the charging gun is connected with a charging seat on the vehicle in an inserting mode, the charging gun feeds back the type of the charging gun to the charging pile body, the charging pile body receives the type of the charging gun and communicates with the vehicle, the charging gun is controlled according to a communication result to charge the vehicle, the temperature of the charging gun in the charging process is obtained through the temperature sensor, and when the temperature reaches a preset temperature corresponding to the type of the charging gun, the charging pile body reduces the charging power of the charging gun so as to reduce the temperature.
Although this kind of control by temperature change charging device can be through the temperature on the control charging rifle, control the charging current and prevent the danger that produces because the high temperature, nevertheless can not carry out the analysis to the reason of high temperature to guide the user to eliminate the trouble hidden danger, at the thing networking, under the condition of big data, can not satisfy the user to the requirement of intelligent charging stake.
Disclosure of Invention
The invention provides a direct current charging gun charging over-temperature control method, which aims at the defects that although the charging current can be controlled by monitoring the temperature on a charging gun to prevent danger caused by over-high temperature, the reason of over-high temperature cannot be analyzed, so that a user is guided to eliminate fault hidden dangers, and the requirements of the user on an intelligent charging pile cannot be met under the conditions of Internet of things and big data.
The technical scheme for realizing the technical purpose of the invention is as follows: a charging over-temperature control method for a direct current charging gun comprises the following steps that at least two mutually independent charging rectifying modules are arranged in a charging pile, and all the charging rectifying modules are connected in parallel to be connected with the charging gun; after a charging gun is inserted into a charging interface of an electric automobile to be charged, the method comprises the following steps;
step 1, reporting that a charging gun is normally connected with a charging interface of an electric automobile;
step 2, monitoring the charging current according to the vehicle requirement according to the background instruction to charge the electric vehicle;
step 3, monitoring the temperature of the charging gun, and uploading temperature data to a background;
and 4, analyzing the temperature data by the background, wherein the method comprises the following steps:
step 401, generating a temperature curve, recording and storing the temperature curve in the background, and issuing the temperature curve to a user for reference;
step 402, judging whether the current temperature is normal, wherein the historical data of the charging gun and other charging guns of the same type of the user are learned and judged: if the temperature is abnormal for multiple times, sending a message to remind a user that the vehicle joint is abnormal for multiple times of use, and the vehicle joint needs to be overhauled in time; if the temperature is not normal at this time, the step 403 is turned to;
and 403, giving an instruction to the charging pile to monitor and reduce the output current of the rectifying module, turning to step 3 if the temperature of the charging gun is gradually recovered to be normal after the charging current is reduced, and stopping charging and prompting a user that the electric automobile is stopped due to too high temperature if the temperature of the charging gun is continuously increased to an over-temperature protection point.
Further, in the above method for controlling the over-temperature of the charging of the dc charging gun: and (3) judging whether the voltage signal is normal by using the connection between the charging gun and the charging interface of the electric automobile in the step 1, and if the connection is abnormal, the charging cannot be continued.
Further, in the above method for controlling the over-temperature of the charging of the dc charging gun: in step 2, the user contacts the background by using the user terminal to submit a charging request.
Further, in the above method for controlling the over-temperature of the charging of the dc charging gun: in step 402, the abnormal current temperature includes an abnormal comparison of the temperature over a threshold, the degree of temperature increase per unit time, and the historical data of the user charging.
Further, in the above method for controlling the over-temperature of the charging of the dc charging gun: the threshold value of 100 ℃ can be properly adjusted according to the specific use environment requirement of the charging gun.
The charging gun real-time temperature detection system realizes control of safe charging of the charging pile by detecting the real-time temperature of the charging gun, makes full use of the advantages of the Internet of things and big data processing, and meets the requirements of users.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a diagram of the effect of a prototype used in the embodiment of the invention.
FIG. 2 is a flow chart of the control principle of the present invention.
Detailed Description
As shown in the attached drawings 1 and 2, the embodiment is an appearance structure drawing of an outdoor 120KW single-gun dc charging pile 101, a dc charging gun 201 with a maximum charging current of 250A/1000V is installed outside the 120KW charging pile, 4 30KW constant-power charging modules 202 and a charging monitor 203 are installed inside the 120KW charging pile, a 4G communication module is installed on the charging monitor 203, and the charging pile can be transmitted through wireless communication, so that data in the charging process of the charging pile is uploaded to a charging control platform 401 in real time, namely, a background. The maximum charging current of the charging pile can reach 250A, and the over-temperature protection point of the gun is set to be 100 ℃. Be provided with temperature sensor on the rifle that charges for the temperature of the rifle that charges of real-time supervision, in addition, under the rifle treater that charges also namely the control at rifle processing terminal, realize gathering temperature sensor's data, through the backstage of uploading of wireless communication mode after the AD conversion, also namely charge control platform 401.
The working principle of the over-temperature control method for charging the direct current charging gun in the embodiment is introduced as follows:
the customer that charges pulls out rifle 201 that charges from filling electric pile 101 earlier, comes to electric automobile 301 department and reliably inserts electric automobile 301 interface that charges with rifle 201 that charges, then opens cell-phone little letter/payment treasured/APP or other third party software and sweep the sign indicating number and get into the charged state, and that is exactly the user utilizes user terminal and backstage to communicate, pays fee to the backstage and proposes the request of charging, tells the backstage that the user wants to purchase what kind of service: the charging current and the charging electric quantity are uploaded to the charging control center, and then after the charging is finished, the charging control center issues a bill to the user terminal, and the user terminal settles the bill. The charging gun 201 charges the electric vehicle according to the required voltage and current generated by the electric vehicle 301. When the required current sent by the electric vehicle 301 is large, for example, 250A, the charging module 202 outputs 250A current to charge the electric vehicle 301 through the charging gun 201, the temperature of the gun head 201 of the charging gun is detected by the charging monitoring 203 in the whole charging process, and under a normal condition, the temperature of the gun head 201 of the charging gun is kept below 80 ℃, and the operation continues until the electric vehicle 301 is fully charged.
If the temperature of the tip of the charging gun 201 rises too fast due to some abnormal reasons (for example, the gun contacts with the vehicle are in poor contact or the charging gun is not completely inserted in place) in the charging process, when the charging monitor 203 detects that the temperature of the charging gun 201 reaches 90 degrees (10 degrees lower than the temperature of the protection point (threshold value)), the charging monitor 203 controls the charging module to reduce the output current to 70% of the required current, namely 175A, and the temperature of the tip of the charging gun 201 does not rise or even falls any more by reducing the charging current, so that the temperature of the tip of the charging gun 201 can be ensured to continue charging within a very safe range. In this embodiment, have and detect the rifle that charges and insert the electric automobile interface that charges who waits to charge back measurement charge rifle and electric automobile's the interface connection that charges resistance detection device when.
When the charging gun and the charging interface have serious poor contact faults, the temperature of the gun head of the charging gun 201 still cannot be prevented from continuously rising by reducing the charging current, and then when the temperature of the gun head of the charging gun 201 reaches 100 ℃, the charging monitor 203 sends an instruction to command the charging module 202 to immediately stop working and not output the charging current any more, so that the safety of the charging pile and the electric automobile is ensured, and safety accidents cannot be caused. The terminal of the charging gun detects the resistance of the charging gun when the charging gun is connected with the charging interface of the electric automobile through the resistance detection device and uploads the resistance to the background, and the background can judge whether the contact is poor or other faults according to big data processing.
In the whole charging process, the charging monitor 202 continuously reports the temperature of the gun head of the charging gun 201 to the charging control platform 401, and the charging control platform 401 records the temperature in the whole charging process in a curve form, so that the charging process can be traced later. Meanwhile, the charging control platform 401 monitors the temperature curve of the abnormal electric vehicle in the charging process and screens the charging big data, intelligently compares the temperature data curve of the charging gun in the previous charging process of the user, can evaluate the safety condition of the vehicle of the charging user, sends out information to carry out friendly prompt of vehicle faults for the user, eliminates the potential safety hazard of charging, and improves the charging experience.
In this embodiment, the charging over-temperature control process of the dc charging gun is as follows:
step 1, reporting that the charging gun is normally connected with a charging interface of the electric automobile to a background; the charging gun is normally connected with the charging interface of the electric automobile by measuring the resistance of the charging gun when the charging gun is connected with the charging interface of the electric automobile, and if the resistance is larger than a set threshold value, the connection is abnormal, so that a user is prompted to improve.
Step 2, charging the electric automobile according to the charging current required by the automobile by charging monitoring according to the background instruction requirement; the user contacts the background by using the user terminal to submit the charging request. The background issues an instruction according to the requirement of a user, and the charging current is set through charging monitoring.
Step 3, monitoring the temperature of the charging gun, and uploading temperature data to a background;
and 4, analyzing the temperature data by the background, wherein the method comprises the following steps:
step 401, generating a temperature curve, recording and storing the temperature curve in the background, and issuing the temperature curve to a user for reference;
step 402, judging whether the current temperature is normal or not, wherein the historical data of the charging gun or the charging guns of the same type are learned and judged; if the current temperature is not normal, go to step 403; the current temperature abnormality comprises the temperature exceeding a threshold value, the degree of temperature rise in unit time and the comparison abnormality of historical data of the user charging. The threshold is typically 100 degrees celsius and may be adjusted as appropriate. In this embodiment, when the temperature has not reached the threshold, for example, 90 degrees celsius, the temperature is considered too high, and the process proceeds to step 403. If the temperature rises above 20 degrees in 1 minute and continues for 2 minutes, the flow is shifted to step 403 even if the temperature is considered abnormal, and it is possible to determine whether the temperature is normal by learning the charging gun history data.
And 403, issuing an instruction to the charging pile to monitor and reduce the output current of the rectifying module, turning to step 3 if the temperature of the charging gun is gradually recovered to be normal after the charging current is reduced, and prompting a user that the electric automobile is stopped being charged due to too high temperature if the temperature of the charging gun is continuously increased to an over-temperature protection point.
In summary, in the embodiment, the direct current charging gun charging over-temperature control method reduces the failure that the charging is stopped due to gun skipping easily in the charging process by a derating processing mode when the abnormal temperature of the charging gun is too high in the charging process, can prejudge the working condition of the vehicle by big data screening, informs the client of the abnormal condition of the vehicle in advance, eliminates the potential safety hazard of the vehicle charging, improves the satisfaction degree of the charging experience of the user, and achieves the purpose of the invention.
Claims (5)
1. A charging over-temperature control method for a direct current charging gun comprises the following steps that at least two mutually independent charging rectifying modules are arranged in a charging pile, and all the charging rectifying modules are connected in parallel to be connected with the charging gun; the method is characterized in that: after a charging gun is inserted into a charging interface of an electric automobile to be charged, the method comprises the following steps;
step 1, reporting that a charging gun is normally connected with a charging interface of an electric automobile;
step 2, monitoring the charging current according to the vehicle requirement according to the background instruction to charge the electric vehicle;
step 3, monitoring the temperature of the charging gun, and uploading temperature data to a background;
and 4, analyzing the temperature data by the background, wherein the method comprises the following steps:
step 401, generating a temperature curve, recording and storing the temperature curve in the background, and issuing the temperature curve to a user for reference;
step 402, judging whether the current temperature is normal, wherein the historical data of the charging gun and other charging guns of the same type of the user are learned and judged: if the temperature is abnormal for multiple times, sending a message to remind a user that the vehicle joint is abnormal for multiple times of use, and the vehicle joint needs to be overhauled in time; if the temperature is not normal at this time, the step 403 is turned to;
and 403, giving an instruction to the charging pile to monitor and reduce the output current of the rectifying module, turning to step 3 if the temperature of the charging gun is gradually recovered to be normal after the charging current is reduced, and stopping charging and prompting a user that the electric automobile is stopped due to too high temperature if the temperature of the charging gun is continuously increased to an over-temperature protection point.
2. The direct current charging gun charging over-temperature control method according to claim 1, characterized in that: and (3) judging whether the voltage signal is normal by using the connection between the charging gun and the charging interface of the electric automobile in the step 1, and if the connection is abnormal, the charging cannot be continued.
3. The direct current charging gun charging over-temperature control method according to claim 1, characterized in that: in step 2, the user contacts the background by using the user terminal to submit a charging request.
4. The direct current charging gun charging over-temperature control method according to claim 1, characterized in that: in step 402, the abnormal current temperature includes an abnormal comparison of the temperature over a threshold, the degree of temperature increase per unit time, and the historical data of the user charging.
5. The direct current charging gun charging over-temperature control method according to claim 4, characterized in that: the threshold is 100 degrees celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945805.9A CN112072748A (en) | 2020-09-10 | 2020-09-10 | Charging over-temperature control method for direct-current charging gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945805.9A CN112072748A (en) | 2020-09-10 | 2020-09-10 | Charging over-temperature control method for direct-current charging gun |
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| CN112072748A true CN112072748A (en) | 2020-12-11 |
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| CN202010945805.9A Pending CN112072748A (en) | 2020-09-10 | 2020-09-10 | Charging over-temperature control method for direct-current charging gun |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410707A (en) * | 2021-06-23 | 2021-09-17 | 度普(苏州)新能源科技有限公司 | Protection method and system for charging interface |
| CN113415197A (en) * | 2021-06-19 | 2021-09-21 | 特瓦特能源科技有限公司 | Charging gun monitoring method and related equipment |
| CN113479083A (en) * | 2021-08-18 | 2021-10-08 | 绿能慧充数字技术有限公司 | Protection device and method for safe use of direct current charging gun |
| CN113602123A (en) * | 2021-08-27 | 2021-11-05 | 阳光电源股份有限公司 | Direct-current charging pile and charging control method |
| CN114312432A (en) * | 2021-12-31 | 2022-04-12 | 上海洛轲智能科技有限公司 | Charging control method, apparatus, device, medium, and computer program product |
-
2020
- 2020-09-10 CN CN202010945805.9A patent/CN112072748A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415197A (en) * | 2021-06-19 | 2021-09-21 | 特瓦特能源科技有限公司 | Charging gun monitoring method and related equipment |
| CN113410707A (en) * | 2021-06-23 | 2021-09-17 | 度普(苏州)新能源科技有限公司 | Protection method and system for charging interface |
| CN113410707B (en) * | 2021-06-23 | 2022-06-28 | 度普(苏州)新能源科技有限公司 | Protection method and system for charging interface |
| CN113479083A (en) * | 2021-08-18 | 2021-10-08 | 绿能慧充数字技术有限公司 | Protection device and method for safe use of direct current charging gun |
| CN113602123A (en) * | 2021-08-27 | 2021-11-05 | 阳光电源股份有限公司 | Direct-current charging pile and charging control method |
| CN113602123B (en) * | 2021-08-27 | 2023-09-29 | 阳光电源股份有限公司 | DC charging pile and charging control method |
| CN114312432A (en) * | 2021-12-31 | 2022-04-12 | 上海洛轲智能科技有限公司 | Charging control method, apparatus, device, medium, and computer program product |
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