CN117774728A - Charging gun with wireless communication function for charging pile - Google Patents
Charging gun with wireless communication function for charging pile Download PDFInfo
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- CN117774728A CN117774728A CN202410210656.XA CN202410210656A CN117774728A CN 117774728 A CN117774728 A CN 117774728A CN 202410210656 A CN202410210656 A CN 202410210656A CN 117774728 A CN117774728 A CN 117774728A
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- charging gun
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- 238000004891 communication Methods 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000013256 coordination polymer Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Classifications
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a charging gun with a wireless communication function for a charging pile, which belongs to the field of charging guns, and comprises a charging pile body and a vehicle end, wherein the charging pile body is connected with the charging gun through a charging cable; the charging gun is internally provided with a broken wire structure matched with the cable connector; the charging gun comprises a gun shell, one end of the gun shell is connected with a cable socket matched with the broken wire structure, the other end of the gun shell is connected with a charging plug, the charging plug is in sliding connection with the gun shell, a pressure detection ring matched with the charging plug is arranged in the gun shell, and an alarm unit and an independent power supply are arranged in the gun shell; the broken line structure comprises a fixed ring, a plurality of guide rails are arranged on the fixed ring, permanent magnet iron columns are connected in a sliding manner in the guide rails, electromagnets matched with the permanent magnet iron columns are arranged at the top ends of the guide rails, the connection state of the charging gun and the charging pile can be conveniently detected, and the charging gun and a cable can be timely disconnected when a vehicle runs in the charging process.
Description
Technical Field
The invention relates to a charging gun with a wireless communication function for a charging pile, in particular to a charging gun with a wireless communication function, which is applied to the field of charging guns.
Background
As electric vehicles are increasingly used. Charging gun functions for charging electric vehicles are more and more, corresponding connecting wire harnesses are more and more, and regarding the current standard, the charging pile and the vehicle end can only perform wired connection communication authentication.
In order to solve the problem of communication connection between the charging pile and the charging gun, a certain charging pile in the market adopts a wired connection communication authentication design and has a certain market occupation ratio.
The specification of Chinese patent No. CN109017344A discloses an automatic authentication method for charging piles, which comprises the following steps: the management platform sends a PWM opening signal to a charging pile connected with the new energy vehicle, the charging pile sends a PWM signal to the new energy vehicle, the new energy vehicle obtains position information of the charging pile and sends a state signal to the management platform based on the received PWM signal, the management platform performs authentication based on the received state signal, if the information of the new energy vehicle is legal and the charging pile corresponds, the authentication result is that matching identification is successful, the management platform closes the PWM opening signal and sends a charging opening signal to the charging pile, the charging pile starts to charge the new energy vehicle when the charging pile starts to receive the charging opening signal, otherwise, the authentication result is that matching identification is unsuccessful, and the management platform closes the PWM opening signal. The invention can efficiently, conveniently and automatically authenticate the time charging pile and the new energy vehicle, thereby reducing excessive operations in the use process and reducing the complexity in the use process.
When the existing charging gun is charged, if a driver forgets to pull out the charging gun due to negligence, the vehicle can cause damage to the charging gun and the charging pile when running, so that serious accidents are generated, and other abnormal conditions in the charging process are not easy to carry out alarm prompt.
Disclosure of Invention
Aiming at the prior art, the technical problem to be solved by the invention is that when the existing charging gun is charged, if a driver forgets to pull out the charging gun due to negligence, the charging gun and the charging pile are damaged when the vehicle runs, so that serious accidents are generated, and other abnormal conditions in the charging process are not easy to carry out alarm prompt.
In order to solve the problems, the invention provides a charging gun for a charging pile with a wireless communication function, which comprises a charging pile body and a vehicle end, wherein the charging pile body is connected with a charging gun through a charging cable; the charging gun is internally provided with a broken wire structure matched with the cable connector;
the charging gun comprises a gun shell, one end of the gun shell is connected with a cable socket matched with the broken wire structure, the other end of the gun shell is connected with a charging plug, the charging plug is in sliding connection with the gun shell, a pressure detection ring matched with the charging plug is arranged in the gun shell, and an alarm unit and an independent power supply are arranged in the gun shell;
the cable connector comprises an electric connection plug connected with the charging cable, and the outer end of the electric connection plug is fixedly connected with an insulating sealing seat;
the broken wire structure comprises a fixed ring, a plurality of guide rails are arranged on the fixed ring, permanent magnet iron columns are connected in a sliding mode in the guide rails, and electromagnets matched with the permanent magnet iron columns are arranged at the top ends of the guide rails.
In the charging gun with the wireless communication function for the charging pile, the connection state of the charging gun and the charging pile can be conveniently detected, and the charging gun and the cable can be disconnected in time when a vehicle runs in the charging process.
As a further improvement of the application, the device also comprises a wireless connection system, wherein the wireless connection system comprises a communication terminal connected with the charging pile main body, and the communication terminal is connected with a charging control module, a signal test module, an alarm module and a communication module; a power supply module, a main control module, a wireless communication module and a self-checking module are arranged in the charging gun; the self-checking module is used for gun insertion detection, self-displacement detection and communication detection.
As a still further improvement of the present application, upon detection of the insertion gun: detecting a gun inserting action before charging: when the charging gun detects the gun inserting action, a signal is sent to the charging pile, then the charging gun confirms whether the CP voltage is 6V or not, and if so, the charging pile main body confirms the charging state; at the moment, the charging pile body starts authentication, after the authentication is passed, the charging pile body sends a PWM command to the charging gun, and meanwhile, the charging pile body starts a charging flow; if the CP voltage is not 6V, the charge state is continuously detected.
As a further improvement of the present application, the communication detection: after each set time period of the charging pile body, a frame of heartbeat message is sent to the charging gun, and the charging gun feeds back a signal to the charging pile body after receiving the heartbeat message.
As a further improvement of the present application, the alarm types of the alarm module include disconnection alarm, charging alarm and disconnection alarm;
when the gun insertion detection fails, the charging interruption alarm is carried out, and the alarm unit carries out acousto-optic prompt;
in the charging process, when the charging gun is disconnected from the cable connector, a disconnection alarm is carried out, at the moment, the charging pile main body and the alarm unit both send out alarm signals, and meanwhile, the charging pile main body positions the charging gun; when the wire breakage alarm is given, after the gun insertion detection, the self-displacement detection and the communication detection are all passed, the wire breakage alarm is released;
in the charging process, when communication detection fails, disconnection warning is carried out; when the charging pile is disconnected and warned, the charging pile main body and the warning unit send warning signals, and the charging gun and the charging pile main body are disconnected and then the warning is released.
As yet another refinement of the present application, the alert signal includes an audible and visual alert, a signal alert, and a voice alert.
As a further improvement of the present application, a strong wire and a weak wire are provided within the charging cable, the strong wire comprising PE, N, L, A, B, C, BAT + and BAT-, the weak wire comprising CP, CC, CAN.
As still another improvement of this application, when the rifle that charges detects under charge state from the displacement, charge rifle and cable junction disconnection, the control module that charges in the rifle that charges this moment stops the charge earlier, then control electromagnet work, makes the permanent magnet post release the cable junction outside the rifle that charges, realizes charging rifle and cable junction disconnection.
As still another improvement of the present application, the vehicle end is provided with a charging connecting seat matched with the charging gun, and the charging gun and the charging connecting seat are internally provided with an auxiliary power supply.
To sum up, this scheme can realize conveniently detecting the connection state of rifle and charging stake that charges, can in time break the rifle and the cable that charge when charging in-process vehicle operation, can in time report to the police when the charge state is unusual, guarantees the safety of charging.
Drawings
Fig. 1 is a perspective view of a charging gun according to embodiment 1 and 2 of the present application
Fig. 2 is a schematic structural diagram of a charging pile according to embodiments 1 and 2 of the present application;
fig. 3 is a cross-sectional view of a charging gun according to embodiments 1 and 2 of the present application;
FIG. 4 is a schematic diagram of the structure shown at A in FIG. 3;
FIG. 5 is a system block diagram of embodiments 1 and 2 of the present application;
FIG. 6 is a flowchart of a gun detection operation according to embodiment 2 of the present application;
FIG. 7 is a communication detection workflow of embodiment 2 of the present application;
fig. 8 is a flowchart of the disconnection warning operation of embodiment 2 of the present application.
The reference numerals in the figures illustrate:
1 charging pile main body, 2 charging gun, 201 gun shell, 202 cable socket, 203 charging plug, 3 cable connector, 301 power plug, 302 insulating sealing seat, 4 broken wire structure, 401 guide rail, 402 permanent magnet column, 403 electromagnet.
Detailed Description
The following describes 2 embodiments of the present application in detail with reference to the accompanying drawings.
Embodiment 1:
1-4 show that a charging gun for a charging pile with a wireless communication function comprises a charging pile main body 1 and a vehicle end, wherein the charging pile main body 1 is connected with a charging gun 2 through a charging cable; the charging cable is connected with a cable connector 3; the charging gun 2 is in butt joint with a connecting seat of the vehicle end, and then charges the vehicle end through the strong electric wire, and the communication with the vehicle end is realized through the weak electric wire;
the vehicle end is provided with a charging connecting seat matched with the charging gun 2, and auxiliary power supplies are arranged in the charging gun 2 and the charging connecting seat;
the charging gun 2 comprises a gun shell 201, one end of the gun shell 201 is connected with a cable socket 202 matched with a broken wire structure 4, the other end of the gun shell 201 is connected with a charging plug 203, the charging plug 203 is inserted into the gun shell 201, a damping layer matched with the charging plug 203 is paved in the gun shell 201, the charging plug 203 and the gun shell 201 can slide relatively at a certain distance, the charging plug 203 is in sliding connection with the gun shell 201, a pressure detection ring 204 matched with the charging plug 203 is installed in the gun shell 201, an insulating buffer layer is paved on the surface of the pressure detection ring 204, an alarm unit and an independent power supply are arranged in the gun shell 201, and the independent power supply can ensure that the charging gun 2 is disconnected with the cable connector 3;
the pressure detection ring 204 can be used for identifying the gun inserting action, when the charging plug 203 is inserted into the connecting seat at the vehicle end, the charging plug 203 pressurizes the pressure detection ring 204, the pressure detection ring 204 is continuously pressurized, and when the pressure detection ring 204 is pressurized within a set range value and the continuous pressurized time exceeds the set time, the gun inserting action is judged to occur;
the cable connector 3 comprises a power connection plug 301 connected with the charging cable, and the outer end of the power connection plug 301 is fixedly connected with an insulating sealing seat 302; when the power plug 301 is in butt joint with the cable socket 202, the charging gun 2 can perform charging work;
a broken wire structure 4 matched with the cable connector 3 is arranged in the charging gun 2; the broken wire structure 4 comprises a fixed ring connected with the inner wall of the gun shell 201, a plurality of guide rails 401 are arranged on the fixed ring, permanent magnet columns 402 are slidably connected on the guide rails 401, electromagnets 403 matched with the permanent magnet columns 402 are arranged at the top ends of the guide rails 401, one ends of the permanent magnet columns 402 are attached to the insulating sealing seat 302, and grooves matched with the permanent magnet columns 402 are formed in the insulating sealing seat 302;
when the electromagnet 403 and the permanent magnet column 402 repel each other, the permanent magnet column 402 is displaced outwards, so that the insulating sealing seat 302 is pushed outwards, and when the insulating sealing seat 302 is completely separated from the gun shell 201, the electromagnet 403 attracts the permanent magnet column 402, so that the permanent magnet column 402 is reset.
When the charging gun 2 works in a charging mode, the self-displacement is monitored in real time, when the charging gun 2 detects that the self-displacement exceeds a set value, the charging gun 2 is disconnected from the cable connector 3, at the moment, a charging control module in the charging gun 2 stops charging firstly, then the electromagnet 403 is controlled to work, the permanent magnet column 402 pushes the cable connector 3 out of the charging gun 2, and the charging gun 2 is disconnected from the cable connector 3;
in this embodiment, when the charging gun is not pulled down, the charging gun 2 and the cable connector 3 are disconnected when the vehicle is running, so that the charging cable is not easy to drag and pull, and the charging cable is prevented from being damaged.
Embodiment 2:
fig. 5 to 8 show that the charging pile further comprises a wireless connection system, wherein the wireless connection system comprises a communication terminal connected with the charging pile main body 1, and the communication terminal is connected with a charging control module, a signal test module, an alarm module and a communication module; the signal testing module is used for sending a heartbeat message and receiving a feedback signal of the charging gun 2;
a power supply module, a main control module, a wireless communication module and a self-checking module are arranged in the charging gun 2; the wireless communication module is used for wireless connection of the charging gun 2 and the charging pile main body 1, the alarm module is connected with a voice alarm device, an audible and visual alarm device and an alarm signal transmitter, and the main control module is used for controlling a charging switch of the charging gun 2 and other equipment in the charging gun 2, such as an electromagnet 403 and the alarm module;
the self-checking module is used for inserting gun detection, self-displacement detection and communication detection, the self-displacement detection is used for detecting the displacement of the charging gun 2 in a charging state, when the displacement of the charging gun in the charging state exceeds a set value L, the self-displacement detection of the charging gun 2 is judged to be failed, an acceleration sensor or a gyroscope used for the self-displacement detection is arranged in the charging gun 2, and the self-displacement measurement of the charging gun 2 is determined by a self-displacement measurement method in the prior art.
When the gun is inserted for detection: detecting a gun inserting action before charging: when the charging gun 2 detects the gun inserting action, a signal is sent to the charging pile main body 1, then the charging gun 2 confirms whether the CP voltage is 6V or not, and if so, the charging pile main body 1 confirms the charging state; at the moment, the charging pile body 1 starts authentication, after the authentication is passed, the charging pile body 1 sends a PWM command to a charging gun, and meanwhile, the charging pile body 1 starts a charging flow; if the CP voltage is not 6V, the charge state is continuously detected.
When the communication is detected: after each set time period of the charging pile body 1, a frame of heartbeat message is sent to the charging gun 2, and the charging gun 2 receives the heartbeat message and then feeds back a signal to the charging pile body 1.
The alarm types of the alarm module comprise disconnection alarm, charging alarm and disconnection alarm;
when the gun inserting detection fails, the charging stopping alarm is carried out, at the moment, the alarm unit carries out acousto-optic prompt, the acousto-optic prompt is repeated for 1-2 times and then is stopped, and after the gun inserting detection passes, the charging gun can be charged;
in the charging process, when the charging gun 2 is disconnected from the cable connector 3, a disconnection alarm is carried out, at the moment, the charging pile main body 1 and the alarm unit both send out alarm signals, and meanwhile, the charging pile main body 1 positions the charging gun 2; when the wire breakage alarm is given, after the gun insertion detection, the self-displacement detection and the communication detection are all passed, the wire breakage alarm is released;
in the charging process, when communication detection fails, disconnection warning is carried out; when the charging pile body 1 and the alarm unit send out alarm signals during disconnection and alarm, and the charging gun 2 and the charging pile body 1 are reconnected to release the alarm.
The alarm signal includes an audible and visual alarm, a signal alarm, and a voice alarm.
In the embodiment, when detecting that the vehicle is running without pulling out the charging gun 2, the wire breaking structure 3 disconnects the charging gun 2 from the charging cable; at this time, the charging gun 2 is still on the vehicle, and a positioning module is arranged in the charging gun 2 so as to position the vehicle;
the battery is built in the charging gun 2, after the charging gun is disconnected with the charging cable, the charging gun is internally provided with the alarm module, so that alarm information such as an audible and visual alarm can be conveniently sent out, and corresponding alarm and charging protection measures can be carried out when the charging gun 2 is in various abnormal charging conditions in the embodiment, so that the charging safety is easy to ensure.
To sum up, this scheme can realize conveniently detecting the charge rifle and fill the connected state of electric pile, can in time be disconnected charge rifle and cable when the vehicle operation in the charging process, can in time report to the police when the charge state is unusual, guarantees the safety of charging.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (9)
1. Fill electric pile with rifle that charges with wireless communication function, include with the electric power is connected fill electric pile main part (1) and car end, its characterized in that: the charging pile main body (1) is connected with a charging gun (2) through a charging cable; the charging gun (2) is internally provided with a broken wire structure (4) matched with the cable connector (3);
the charging gun (2) comprises a gun shell (201), one end of the gun shell (201) is connected with a cable socket (202) matched with a broken wire structure (4), the other end of the gun shell (201) is connected with a charging plug (203), the charging plug (203) is in sliding connection with the gun shell (201), a pressure detection ring (204) matched with the charging plug (203) is arranged in the gun shell (201), and an alarm unit and an independent power supply are arranged in the gun shell (201);
the cable connector (3) comprises an electric plug (301) connected with the charging cable, and the outer end of the electric plug (301) is fixedly connected with an insulating sealing seat (302);
the broken wire structure (4) comprises a fixed ring, a plurality of guide rails (401) are arranged on the fixed ring, permanent magnet columns (402) are connected in a sliding mode in the guide rails (401), and electromagnets (403) matched with the permanent magnet columns (402) are arranged at the top ends of the guide rails (401).
2. The charging gun for charging pile with wireless communication function according to claim 1, wherein: the wireless connection system comprises a communication terminal connected with the charging pile main body (1), and the communication terminal is connected with a charging control module, a signal test module, an alarm module and a communication module; a power supply module, a main control module, a wireless communication module and a self-checking module are arranged in the charging gun (2); the self-checking module is used for gun insertion detection, self-displacement detection and communication detection.
3. The charging gun for charging pile with wireless communication function according to claim 2, characterized in that: when the insertion gun is detected: detecting a gun inserting action before charging: when the charging gun (2) detects a gun inserting action, a signal is sent to the charging pile main body (1), after that, the charging gun (2) confirms whether the CP voltage is 6V, if so, the charging pile main body (1) confirms the charging state; at the moment, the charging pile main body (1) starts authentication, after the authentication is passed, the charging pile main body (1) sends a PWM command to the charging gun, and meanwhile, the charging pile main body (1) starts a charging flow; if the CP voltage is not 6V, the charge state is continuously detected.
4. The charging gun for charging pile with wireless communication function according to claim 3, wherein: when the communication is detected, the following steps are carried out: after each interval of the charging pile body (1) is set for a time period, a frame of heartbeat message is sent to the charging gun (2), and the charging gun (2) receives the heartbeat message and then feeds back a signal to the charging pile body (1).
5. The charging gun for charging pile with wireless communication function according to claim 4, wherein: the alarm types of the alarm module comprise disconnection alarm, charging alarm and disconnection alarm;
when the gun insertion detection fails, the charging interruption alarm is carried out, and the alarm unit carries out acousto-optic prompt;
in the charging process, when the charging gun (2) is disconnected from the cable connector (3), a disconnection alarm is carried out, at the moment, the charging pile main body (1) and the alarm unit both send out alarm signals, and meanwhile, the charging pile main body (1) positions the charging gun (2); when the wire breakage alarm is given, after the gun insertion detection, the self-displacement detection and the communication detection are all passed, the wire breakage alarm is released;
in the charging process, when communication detection fails, disconnection warning is carried out; when the connection is broken, the charging pile body (1) and the alarm unit send out alarm signals, and the charging gun (2) is reconnected with the charging pile body (1) to release the alarm.
6. The charging gun for charging pile with wireless communication function according to claim 5, wherein: the alarm signal comprises an acousto-optic alarm, a signal alarm and a voice alarm.
7. The charging gun for charging pile with wireless communication function according to claim 6, wherein: the charging cable is internally provided with a strong electric wire and a weak electric wire, wherein the strong electric wire comprises PE, N, L, A, B, C, BAT + and BAT-, and the weak electric wire comprises CP, CC, CAN.
8. The charging gun for charging pile with wireless communication function according to claim 7, wherein: when the charging gun (2) detects self-displacement in a charging state, the charging gun (2) is disconnected with the cable connector (3), at the moment, a charging control module in the charging gun (2) stops charging firstly, then an electromagnet (403) is controlled to work, and a permanent magnet column (402) pushes the cable connector (3) out of the charging gun (2) to disconnect the charging gun (2) from the cable connector (3).
9. The charging gun for charging pile with wireless communication function according to claim 8, wherein: the vehicle end is provided with a charging connecting seat matched with the charging gun (2), and auxiliary power supplies are arranged in the charging gun (2) and the charging connecting seat.
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Cited By (1)
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CN118012469A (en) * | 2024-04-08 | 2024-05-10 | 科大智能(合肥)科技有限公司 | New energy charging pile batch upgrading system based on big data and upgrading method thereof |
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