CN210970741U - Electric automobile communication controller - Google Patents
Electric automobile communication controller Download PDFInfo
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- CN210970741U CN210970741U CN201921853144.6U CN201921853144U CN210970741U CN 210970741 U CN210970741 U CN 210970741U CN 201921853144 U CN201921853144 U CN 201921853144U CN 210970741 U CN210970741 U CN 210970741U
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The embodiment of the application discloses electric automobile communication controller, electric automobile communication controller includes first chip, main control unit: the first chip is a chip which communicates in a power line carrier form, the first chip is respectively connected with the charging pile and the main controller, the first chip is used for converting first communication information sent by the charging pile into second communication information and sending the second communication information to the main controller, the first communication information is information transmitted in the power line carrier form, and the second communication information is communication information transmitted in a controller local area network form; the main controller is connected with a battery management system of the electric automobile and used for sending the received second communication information to the battery management system. Through being connected electric automobile communication controller with the European standard respectively and fill electric pile and national standard electric automobile's battery management system, realize the European standard and fill the communication between electric pile and national standard electric automobile, and then realize that national standard electric automobile's European standard charges.
Description
Technical Field
The application relates to the field of electric automobiles, in particular to an electric automobile communication controller.
Background
For electric vehicles exported to europe, it is common to directly set a charging device to a european standard charging form during the vehicle production process, so as to realize european standard charging of the electric vehicles, wherein the european standard charging is communicated in a Power line carrier (Power L ineCarrier, P L C).
And the charging device is an electric automobile in a national standard charging mode, and can not realize European standard charging. The national standard charging mode communicates in a Controller Area Network (CAN) mode.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application provides an electric automobile communication controller, through being connected electric automobile communication controller respectively with the european standard fill electric pile and national standard electric automobile's battery management system, can realize the communication between european standard fill electric pile and national standard electric automobile, and then realize that national standard electric automobile's european standard charges.
The embodiment of the application discloses the following technical scheme:
the embodiment of the application provides an electric automobile communication controller, electric automobile communication controller includes first chip, main control unit:
the first chip is a chip which communicates in a power line carrier form, the first chip is respectively connected with a charging pile and the main controller, the first chip is used for converting first communication information sent by the charging pile into second communication information and sending the second communication information to the main controller, the first communication information is information transmitted in the power line carrier form, and the second communication information is communication information transmitted in a controller local area network form;
the main controller is connected with a battery management system of the electric automobile, and the main controller is used for sending the received second communication information to the battery management system.
Optionally, the main controller includes an acquisition interface, and the main controller is further configured to acquire a maximum charging current signal of the charging gun and send the maximum charging current signal to the battery management system through the acquisition interface connected to the charging gun.
Optionally, the charging system further comprises a duty ratio sensor, the duty ratio sensor is connected with the main controller, and the duty ratio sensor is used for detecting the duty ratio of the charging gun and sending the duty ratio of the charging gun to the main controller;
the main controller is further used for determining the charging current and the corresponding charging type according to the received duty ratio of the charging gun and sending the charging current and the corresponding charging type to a battery management system.
Optionally, the charger further comprises a temperature sensor, the temperature sensor is connected with the main controller, and the temperature sensor is used for detecting the temperature of the charging seat and sending the temperature to the main controller;
the main controller is further used for determining whether the temperature accords with a safe temperature range according to the received temperature, and sending the information of stopping charging to a battery management system when the temperature sensor does not accord with the safe temperature range.
Optionally, the main controller is further configured to detect an electronic lock of the charging dock, and control the electronic lock to lock after detecting the electronic lock.
Optionally, the main controller is further configured to collect a position of the electronic lock of the charging dock, and determine whether the electronic lock at the position of the electronic lock is locked.
Optionally, the power system further includes a power system basic chip: the power system basic chip is connected with a battery in the electric automobile and used for supplying power to devices in the electric automobile communication controller.
It can be seen from the above technical scheme that this application embodiment provides an electric automobile communication controller, electric automobile communication controller includes first chip, main control unit: the first chip is a chip which communicates in a power line carrier form, the first chip is respectively connected with the charging pile and the main controller, the first chip is used for converting first communication information sent by the charging pile into second communication information and sending the second communication information to the main controller, the first communication information is information transmitted in the power line carrier form, and the second communication information is communication information transmitted in a controller local area network form; the main controller is connected with a battery management system of the electric automobile and used for sending the received second communication information to the battery management system. This scheme is through being connected electric automobile communication controller with the European standard respectively and fill electric pile and national standard electric automobile's battery management system, can realize the European standard and fill the communication between electric pile and national standard electric automobile, and then realize that national standard electric automobile's European standard charges.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a first EVCC structural diagram provided in the embodiment of the present application;
fig. 2 is a diagram of a second EVCC structure provided in the embodiment of the present application;
fig. 3 is a third EVCC structural diagram provided in the embodiment of the present application;
fig. 4 is a diagram of a fourth EVCC structure provided in the embodiment of the present application;
fig. 5 is a diagram of a fifth EVCC structure provided in the embodiment of the present application;
fig. 6 is a diagram of a sixth EVCC structure provided in the embodiment of the present application.
Detailed Description
Embodiments of the present application are described below with reference to the accompanying drawings.
At present, the charging device is an electric automobile in a national standard charging mode, and European standard charging cannot be realized.
For this reason, this application embodiment provides an electric automobile communication controller, electric automobile communication controller includes first chip, main control unit: the first chip is a chip which communicates in a power line carrier form, the first chip is respectively connected with the charging pile and the main controller, the first chip is used for converting first communication information sent by the charging pile into second communication information and sending the second communication information to the main controller, the first communication information is information transmitted in the power line carrier form, and the second communication information is communication information transmitted in a controller local area network form; the main controller is connected with a battery management system of the electric automobile and used for sending the received second communication information to the battery management system. This scheme is through being connected electric automobile communication controller with the European standard respectively and fill electric pile and national standard electric automobile's battery management system, can realize the European standard and fill the communication between electric pile and national standard electric automobile, and then realize that national standard electric automobile's European standard charges.
Next, an Electric Vehicle Communication Controller (EVCC) provided in the embodiment of the present application will be described.
Referring to fig. 1, which shows a structure diagram of a first EVCC provided in the embodiment of the present application, as shown in fig. 1, the EVCC100 includes a first chip 101, a main controller 102:
the first chip 101 may be a chip that communicates in the form of a power line carrier.
In particular implementations, the first chip 101 may be referred to as a QCA7005 chip. The host controller 102 may be a Micro Controller Unit (MCU), such as a chip of TMS570 or FS32K148HET0MMHT model.
In the embodiment of the present application, the first chip 101 may be connected to the charging pile 300 and the main controller 102, respectively. The first chip 101 may be configured to convert the first communication information sent by the charging pile 300 into a second communication information, and send the second communication information to the main controller 102.
In one possible implementation, the charging post 300 may be a european standard charging post.
The first communication information may be information transmitted in a power line carrier form, that is, communication information in a european standard charging form, and the second communication information may be communication information transmitted in a controller area network form, that is, communication information in a national standard charging form.
In addition, the main controller 102 may be connected to a Battery Management System (BMS) 201 of the electric vehicle, and the main controller 102 may be configured to transmit the received second communication information to the BMS 201. From this, BMS 201 can obtain the charging information such as electric current, the voltage that fills electric pile to based on these charging information carry out corresponding control, realize realizing the European standard for the electric automobile of national standard type of charging and charge.
In one possible implementation, the EVCC100 may further include a power System Base Chip (SBC) 103. Referring to fig. 2, which shows a second EVCC structural diagram provided in this embodiment of the present application, as shown in fig. 2, SBC 103 may be connected to a battery 202 in an electric vehicle, and SBC 103 has a wake-up function, and in a specific implementation, SBC 103 may be woken up when EVCC100 is connected to a charging gun. After SBC 103 wakes up, it can output power of various voltage levels for powering the devices in EVCC 100. Compared with the conventional power architecture, one SBC 103 saves power chips, saves a special wake-up chip, can reduce the size of the EVCC100, and saves the EVCC product cost.
In a possible implementation manner, referring to fig. 3, which shows a third EVCC structural diagram provided in this embodiment of the present application, as shown in fig. 3, the main controller 102 includes an acquisition interface 104, and in a possible implementation manner, the acquisition interface 104 may be, for example, an Analog/Digital (a/D) acquisition interface, and the main controller 102 is further configured to connect to a charging gun through the acquisition interface 104 to acquire a maximum charging current (PP) signal of the charging gun, and send the PP signal to the battery management system 201. Thus, the battery management system 201 can determine the current carrying capacity of the european standard charging gun according to the received PP signal, and control the charging current of the electric vehicle accordingly.
In the form of charging according to the european standard, different duty ratios correspond to different charging current sizes and corresponding charging types, and the charging types may include direct current and alternating current. In view of this, in one possible implementation, refer to fig. 4, which shows a fourth EVCC structural diagram provided in the embodiment of the present application. As shown in fig. 4, the EVCC100 further includes a duty cycle sensor 105, such as a sensor for detecting CP duty cycle, the duty cycle sensor 105 may be connected to the main controller 102, and the duty cycle sensor 105 may be used for detecting the duty cycle of the charging gun and transmitting the duty cycle of the charging gun to the main controller 102.
Thus, the main controller 102 may be configured to determine the charging current magnitude and the corresponding charging type according to the received duty ratio of the charging gun, and transmit the charging type to the battery management system 201.
In one possible implementation, a duty threshold value may be preset, and the duty threshold value is used for distinguishing the charging type. When the duty ratio of the charging gun is smaller than the duty ratio threshold, the charging type can be determined to be a direct current, and when the duty ratio of the charging gun is not smaller than the duty ratio threshold, the charging type can be determined to be an alternating current. In this way, the main controller 102 may be configured to determine that the charging type is the direct current if it is determined that the duty ratio of the charging gun is smaller than a preset duty ratio threshold, and determine that the charging type is the alternating current if it is determined that the duty ratio of the charging gun is not smaller than the duty ratio threshold.
For example: the duty cycle threshold is 8%, and if the main controller 102 determines that the duty cycle of the charging gun is 5%, the charging type may be determined as a direct current, and if the duty cycle is determined to be 10%, the charging type may be determined as an alternating current. In addition, different duty cycles also correspond to different charging currents.
In fact, the temperature of the charging dock gradually rises with long-term heavy current charging. In order to avoid the ignition of the electric vehicle caused by the excessively high temperature of the charging stand, in one possible implementation, refer to fig. 5, which shows a fifth EVCC structural diagram provided in the embodiment of the present application. As shown in fig. 5, EVCC100 further includes a temperature sensor 106, wherein temperature sensor 106 is connected to host controller 102, and temperature sensor 106 can be used to detect the temperature of the charging cradle and send the temperature to host controller 102. The main controller 102 may be further configured to determine whether the temperature is within the safe temperature range according to the received temperature, and send a charging stop message to the battery management system 201 when the temperature sensor is determined not to be within the safe temperature range. Wherein, the safe temperature range can be a charging seat temperature range for safe charging.
In a specific implementation, the safe temperature range is: t <120 deg. That is, when the main controller 102 determines that the temperature of the charging cradle reaches 120 °, the charging may be stopped.
In a possible implementation manner, the main controller 102 may also be configured to detect an electronic lock of the charging dock, and after detecting the electronic lock, the electronic lock may be controlled to lock. From this, can avoid the rifle that charges to take place to drop in charging process, harm personal safety.
In a possible implementation manner, the main controller may be further configured to acquire an electronic lock position of the charging dock, and determine whether the electronic lock at the electronic lock position is locked, so as to prevent the electronic lock from being locked unsuccessfully, and further ensure personal safety.
Referring to fig. 6, a diagram of a sixth EVCC structure provided in the embodiments of the present application is shown. As shown in fig. 6, the EVCC100 includes a main controller 102, a power system basic chip 103, and a first chip 101, in this embodiment, the first chip 101 is connected to the charging pile 300 and the main controller 102, and the first chip 101 is configured to convert first communication information sent by the charging pile 300 into second communication information and send the second communication information to the main controller 102, where the first communication information is information transmitted in a power line carrier form, and the second communication information is communication information transmitted in a controller area network form.
The main controller 102 is connected to a battery management system 201 of the electric vehicle, and the main controller 101 is configured to transmit the received second communication information to the battery management system 201.
The power system basic chip 103 is connected with a battery 202 in the electric automobile, and the power system basic chip 103 is used for supplying power to devices in the electric automobile communication controller.
The main controller 102 includes an acquisition interface 104, and the main controller 102 is further configured to be connected to a charging gun through the acquisition interface 104, acquire a maximum charging current signal of the charging gun, and send the maximum charging current signal to the battery management system 201.
The EVCC100 further comprises a duty ratio sensor 105, the duty ratio sensor 105 is connected to the main controller 102, and the duty ratio sensor 105 is used for detecting the duty ratio of the charging gun and sending the duty ratio of the charging gun to the main controller 102.
The main controller 102 is further configured to determine a charging current and a corresponding charging type according to the received duty ratio of the charging gun, and send the charging current and the corresponding charging type to the battery management system 201.
The EVCC100 further comprises a temperature sensor 106, the temperature sensor 106 is connected with the main controller 102, and the temperature sensor 106 is used for detecting the temperature of the charging dock and sending the temperature to the main controller 102;
the main controller 102 is further configured to determine whether the temperature is within a safe temperature range according to the received temperature, and send a charging stop message to the battery management system 201 when it is determined that the temperature sensor is not within the safe temperature range.
The main controller 102 is further configured to detect an electronic lock of the charging dock, and control the electronic lock to lock after detecting the electronic lock.
The master controller 102 is also used to acquire the electronic lock position of the charging dock and determine whether the electronic lock at the electronic lock position is locked.
This scheme is through being connected electric automobile communication controller with the European standard respectively and fill electric pile and national standard electric automobile's battery management system, can realize the European standard and fill the communication between electric pile and national standard electric automobile, and then realize that national standard electric automobile's European standard charges.
As can be seen from the above description of the embodiments, those skilled in the art can clearly understand that all or part of the steps in the above embodiment methods can be implemented by software plus a necessary general hardware platform. Based on such understanding, the technical solution of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network communication device such as a media gateway, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an electric automobile communication controller which characterized in that, electric automobile communication controller includes first chip, main control unit:
the first chip is a chip which communicates in a power line carrier form, the first chip is respectively connected with a charging pile and the main controller, the first chip is used for converting first communication information sent by the charging pile into second communication information and sending the second communication information to the main controller, the first communication information is information transmitted in the power line carrier form, and the second communication information is communication information transmitted in a controller local area network form;
the main controller is connected with a battery management system of the electric automobile, and the main controller is used for sending the received second communication information to the battery management system.
2. The electric vehicle communication controller of claim 1, wherein the main controller comprises a collection interface, and the main controller is further configured to connect to a charging gun through the collection interface, collect a maximum charging current signal of the charging gun, and send the maximum charging current signal to the battery management system.
3. The electric vehicle communication controller of claim 2, wherein the acquisition interface is an analog/digital acquisition interface.
4. The electric vehicle communication controller according to claim 1, further comprising a duty ratio sensor connected to the main controller, the duty ratio sensor being configured to detect a duty ratio of a charging gun and send the duty ratio of the charging gun to the main controller;
the main controller is further used for determining the charging current and the corresponding charging type according to the received duty ratio of the charging gun and sending the charging current and the corresponding charging type to a battery management system.
5. The electric vehicle communication controller of claim 4, wherein the main controller is configured to determine that the charging type is a direct current if it is determined that the duty cycle of the charging gun is less than a preset duty cycle threshold, and determine that the charging type is an alternating current if it is determined that the duty cycle of the charging gun is not less than the duty cycle threshold.
6. The electric automobile communication controller according to claim 1, further comprising a temperature sensor connected to the main controller, the temperature sensor being configured to detect a temperature of a charging dock and send the temperature to the main controller;
the main controller is further used for determining whether the temperature accords with a safe temperature range according to the received temperature, and sending the information of stopping charging to a battery management system when the temperature sensor does not accord with the safe temperature range.
7. The electric vehicle communication controller according to claim 1, wherein the main controller is further configured to detect an electronic lock of a charging dock, and control the electronic lock to lock after detecting the electronic lock.
8. The electric vehicle communication controller of claim 7, wherein the main controller is further configured to acquire an electronic lock position of the charging dock and determine whether the electronic lock at the electronic lock position is locked.
9. The electric vehicle communication controller according to any one of claims 1 to 8, further comprising a power system base chip: the power system basic chip is connected with a battery in the electric automobile and used for supplying power to devices in the electric automobile communication controller.
10. The electric vehicle communication controller of any one of claims 1 to 8, wherein the charging post connected to the first chip is a European standard charging post.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921853144.6U CN210970741U (en) | 2019-10-30 | 2019-10-30 | Electric automobile communication controller |
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| CN201921853144.6U CN210970741U (en) | 2019-10-30 | 2019-10-30 | Electric automobile communication controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806271A (en) * | 2020-07-22 | 2020-10-23 | 深圳时代能创能源科技有限公司 | EVCC supporting double-gun charging |
| CN113306418A (en) * | 2021-06-16 | 2021-08-27 | 徐州徐工汽车制造有限公司 | Double-gun charging system and method and vehicle |
| CN114475473A (en) * | 2020-10-27 | 2022-05-13 | 许继电源有限公司 | Direct current charging controller based on SPI dual-computer communication |
| CN114670696A (en) * | 2021-06-22 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging control method and device, charging pile and electric vehicle |
-
2019
- 2019-10-30 CN CN201921853144.6U patent/CN210970741U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806271A (en) * | 2020-07-22 | 2020-10-23 | 深圳时代能创能源科技有限公司 | EVCC supporting double-gun charging |
| CN114475473A (en) * | 2020-10-27 | 2022-05-13 | 许继电源有限公司 | Direct current charging controller based on SPI dual-computer communication |
| CN113306418A (en) * | 2021-06-16 | 2021-08-27 | 徐州徐工汽车制造有限公司 | Double-gun charging system and method and vehicle |
| CN114670696A (en) * | 2021-06-22 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging control method and device, charging pile and electric vehicle |
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