CN215268340U - Bidirectional inverter communication system and vehicle - Google Patents
Bidirectional inverter communication system and vehicle Download PDFInfo
- Publication number
- CN215268340U CN215268340U CN202120710482.5U CN202120710482U CN215268340U CN 215268340 U CN215268340 U CN 215268340U CN 202120710482 U CN202120710482 U CN 202120710482U CN 215268340 U CN215268340 U CN 215268340U
- Authority
- CN
- China
- Prior art keywords
- controller
- bidirectional inverter
- inverter
- communication system
- communication circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Inverter Devices (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The application relates to a two-way inverter communication system and vehicle includes: the device comprises a controller, a CAN communication circuit, a first serial communication circuit, a second serial communication circuit and a power module; the first serial communication circuit is connected between a bidirectional inverter and the controller and is used for transmitting communication data between the bidirectional inverter and the controller; the second serial communication circuit is connected with the controller and used for receiving external data and transmitting control signals of the controller and working parameters of the bidirectional inverter; the CAN communication circuit is connected with the controller and used for receiving external data and transmitting working parameters of the bidirectional inverter; the power module is connected with the controller and used for supplying power to the controller. The problem of among the prior art two-way contravariant charger be difficult to the different communication environment of adaptation, the practicality is relatively poor can be solved to this application.
Description
Technical Field
The present application relates to the field of vehicle technologies, and in particular, to a bidirectional inverter communication system and a vehicle.
Background
Inverters are electronic devices that convert direct current to alternating current using a high frequency bridge circuit. The bidirectional inverter is an inverter that can convert either direct current power into alternating current power or alternating current power into direct current power. The bidirectional inverter can control the charging and discharging of the storage battery pack, is a central control device of a system, and is widely applied to the fields of vehicle-mounted chargers and the like.
However, the bidirectional inverter charger in the prior art often only functions as a basic switching power supply, and is difficult to adapt to different communication environments, so that the bidirectional inverter charger in the prior art has a problem of poor practicability.
SUMMERY OF THE UTILITY MODEL
The main objective of this application is to provide a two-way inverter communication system, aims at solving among the prior art two-way contravariant charger and is difficult to the different communication environment of adaptation, the relatively poor problem of practicality.
To achieve the above object, the present application provides a bidirectional inverter communication system including: the device comprises a controller, a CAN communication circuit, a first serial communication circuit, a second serial communication circuit and a power module;
the first serial communication circuit is connected between a bidirectional inverter and the controller and is used for transmitting communication data between the bidirectional inverter and the controller;
the second serial communication circuit is connected with the controller and used for receiving external data and transmitting control signals of the controller and working parameters of the bidirectional inverter;
the CAN communication circuit is connected with the controller and used for receiving external data and transmitting working parameters of the bidirectional inverter;
the power module is connected with the controller and used for supplying power to the controller.
As an improvement of the above scheme, the intelligent terminal further comprises a bluetooth communication circuit, which is connected with the controller and is used for receiving the control instruction sent by the intelligent terminal and sending the control instruction sent by the intelligent terminal to the controller.
As an improvement of the above scheme, the USB interface circuit is further included; the USB interface circuit is connected with the controller and used for transmitting the program data packet of the controller.
As an improvement of the above scheme, the system further comprises a programmable interface circuit; the programmable interface circuit is connected with the controller and is used for providing a program online programming channel of the controller.
As an improvement of the above scheme, the device further comprises a sampling module; the sampling module is connected with the bidirectional inverter and used for acquiring the working parameters of the bidirectional inverter and transmitting the working parameters of the bidirectional inverter to the controller through the first serial communication circuit.
As an improvement of the above scheme, the device further comprises a display module; the display module is connected with the controller through the second serial communication circuit and used for displaying according to the control signal of the controller.
As an improvement of the above scheme, the display module comprises a bidirectional inverter status indicator lamp; the bidirectional inverter state indicator lamp is used for switching the corresponding display mode according to the control signal.
As an improvement of the above scheme, the display module further comprises a bidirectional inverter alternating current output indicator lamp; the bidirectional inverter alternating current output indicator lamp is used for indicating the bidirectional inverter alternating current output state according to the control signal.
As an improvement of the above scheme, the display module further comprises a power indicator light; the power supply indicator light is connected with the controller and used for indicating the working state of the power supply module according to the control signal.
The application also provides a vehicle comprising the bidirectional inverter communication system.
According to the bidirectional inverter communication system, the communication data between the bidirectional inverter and the controller are transmitted through the first serial communication circuit, so that the data and signals are rapidly transmitted; the control signal is sent to external control units such as a host and the like by adopting a second serial communication circuit, so that communication between the external control unit and the bidirectional inverter charger is provided, and a communication path and a communication scene of the bidirectional inverter are increased; and the CAN communication circuit and the second serial communication circuit are used for respectively receiving external data and sending the working parameters of the bidirectional inverter, so that two transmission modes CAN be compatible in actual use, and the problems of difficulty in adapting to different communication environments and poor practicability are solved.
Drawings
Fig. 1 is a schematic structural diagram of a bidirectional inverter communication system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a bidirectional inverter communication system according to an embodiment of the present application.
Description of reference numerals:
the intelligent controller comprises a controller 1, a CAN communication circuit 2, a first serial communication circuit 3, a second serial communication circuit 4, a power module 5, a Bluetooth communication circuit 6, a USB interface circuit 7, a programmable interface circuit 8, a sampling module 9 and a display module 10.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As used herein, the singular forms "a", "an", "the" and "the" include plural referents unless the content clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, units, modules, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1, a schematic structural diagram of a bidirectional inverter communication system in an embodiment of the present application includes: the controller comprises a controller 1, a CAN communication circuit 2, a first serial communication circuit 3, a second serial communication circuit 4 and a power supply module 5;
the first serial communication circuit 3 is connected between the bidirectional inverter and the controller 1 and is used for transmitting communication data between the bidirectional inverter and the controller 1;
the second serial communication circuit 4 is connected with the controller 1 and used for receiving external data and sending control signals of the controller 1 and working parameters of the bidirectional inverter out;
the CAN communication circuit 2 is connected with the controller 1 and used for receiving external data and sending the working parameters of the bidirectional inverter out;
the power module 5 is connected with the controller 1 and used for supplying power to the controller 1.
Specifically, the serial communication circuit 3 includes at least one of an RS232 interface circuit and an RS485 interface circuit; the controller 1 can be a control chip, a controller and other devices; the bidirectional inverter is an inverter which can convert direct current into alternating current and can convert alternating current into direct current, when the bidirectional inverter is connected with commercial power, the commercial power is converted into stable direct current through the AC/DC unit to charge the vehicle-mounted battery, when the bidirectional inverter is not connected with the commercial power, the bidirectional inverter works in an inversion state, the energy flow direction is from the vehicle-mounted battery to the AC/DC unit, and inversion is carried out through the AC/DC unit, so that power is supplied to a load, and the bidirectional inverter belongs to the prior art and is not described herein again.
Specifically, the controller 1 can receive the operating parameters of the bidirectional inverter through the first serial communication circuit 3, and generate a corresponding control signal according to a preset mapping relationship, so as to realize communication with an external control unit.
In summary, the first serial communication circuit 3 transmits communication data between the bidirectional inverter and the controller 1, so as to realize fast transmission of data and signals; the second serial communication circuit 4 is adopted to send the control signal to external control units such as a host and the like, so that communication between the external control units and the bidirectional inverter charger is provided, and communication paths and communication scenes of the bidirectional inverter are increased; and moreover, the working parameters of the bidirectional inverter and the control signals of the controller 1 are respectively sent out by the CAN communication circuit 2 and the second serial communication circuit 4, so that two transmission modes CAN be compatible in actual use, and the problems of difficulty in adapting to different communication environments and poor practicability are solved.
Further, referring to fig. 2, the schematic diagram of the structure of the bidirectional inverter communication system in an embodiment of the present application further includes a bluetooth communication circuit 6, connected to the controller 1, and configured to receive the control command sent by the intelligent terminal and send the control command sent by the intelligent terminal to the controller 1.
Specifically, intelligent terminals with a bluetooth communication function, such as smart phones and smart computers, can be used for receiving, sending, checking, setting and operating states of the bidirectional inverter through bluetooth, so that multi-mode communication of the bidirectional inverter is realized.
Further, referring to fig. 2, a USB interface circuit 7 is further included; the USB interface circuit 7 is connected to the controller 1 and is used to transmit the program data packet of the controller 1.
Specifically, the USB interface circuit 7 is used as a data updating circuit of the controller 1, and a storage medium such as a USB disk having a USB transmission function can be used to update the program data packet of the controller 1, so as to update the program version of the controller 1, thereby changing the mapping relationship preset in the controller 1, adapting to different working environments, and improving the versatility and the practicability of the bidirectional inverter communication system.
Further, referring to fig. 2, a programmable interface circuit 8 is also included; the programmable interface circuit 8 is connected with the controller 1 and is used for providing an online programming channel of the program of the controller 1.
Specifically, the programmable interface circuit 8 is used as an online programming program interface of the controller 1, so that online updating of the controller 1 is realized, and the practicability of the bidirectional inverter communication system is further improved.
Further, referring to fig. 2, a sampling module is further included; the sampling module 9 is connected to the bidirectional inverter, and is configured to obtain operating parameters of the bidirectional inverter, and transmit the operating parameters of the bidirectional inverter to the controller 1 through the first serial communication circuit 3.
Specifically, after receiving the operating parameters of the bidirectional inverter, the controller 1 generates a corresponding control signal according to a preset mapping relationship.
Specifically, the operating parameters of the bidirectional inverter acquired by the sampling module 9 may include a battery temperature, an operating current, an operating voltage, and the like. The working state of the bidirectional inverter comprises a charging state, a full-charging state, an inversion state, a fault state and the like, and the preset mapping relation of the controller 1 comprises the following steps: when the working current of the bidirectional inverter is in the forward direction and is not less than the preset charging current threshold value, judging that the working state of the bidirectional inverter is a charging state, and generating a control signal corresponding to the charging state by the controller 1; when the working current of the bidirectional inverter is in the forward direction and is smaller than a preset charging current threshold value, judging that the working state of the bidirectional inverter is a full-charge state, and generating a control signal corresponding to the full-charge state by the controller 1; when the working current of the bidirectional inverter is reverse, the working state of the bidirectional inverter is judged to be an inversion state, and the controller 1 generates a control signal corresponding to the inversion state; when the working voltage of the bidirectional inverter exceeds the normal working voltage range, the working state of the bidirectional inverter is judged to be a fault state, and the controller 1 generates a control signal corresponding to the fault state to prompt that the bidirectional inverter is required to be maintained at the moment. It should be noted that the preset mapping relationship is exemplary, and may be adjusted according to actual requirements in specific implementations.
Specifically, in the embodiment of the application, the sampling module 9 is used for acquiring the working parameters of the bidirectional inverter, the first serial communication circuit 3 is used for sending the working parameters to the controller 1, so that the controller 1 generates the control signals according to the working parameters of the bidirectional inverter, and the second serial communication circuit 4 is used for sending the control signals to the display module 10, so that the working state of the bidirectional inverter charger is monitored, the maintenance timeliness of the bidirectional inverter is improved, and the bidirectional inverter is prevented from being affected by unmonitored abnormity in the communication process.
In particular embodiments, the sampling module may include a battery temperature detection module; the battery temperature detection module is used for detecting the battery temperature of the bidirectional inverter. The charging condition of the bidirectional inverter can be effectively judged by detecting the battery temperature of the bidirectional inverter; when the battery temperature exceeds a preset battery temperature threshold, the controller 1 determines that the bidirectional inverter is in an abnormal state, and sends a corresponding control signal to the display module 10, so that a user or a host controls the bidirectional inverter to stop working for maintenance.
Specifically, a BTS battery temperature rise detection circuit is arranged in the battery temperature detection module, the BTS battery temperature rise detection circuit is arranged close to the battery and is connected with the controller 1, and the controller 1 acquires a voltage value in the BTS battery temperature rise detection circuit; because the thermistor in the BTS battery temperature rise detection circuit can generate corresponding resistance value change along with the temperature change, the voltage value of the BTS battery temperature rise detection circuit is sampled by the controller 1, and the battery temperature can be obtained according to the temperature rise curve in the prior art.
Further, referring to fig. 2, a display module 10 is further included; the display module 10 is connected to the controller 1 through the second serial communication circuit 4, and is configured to perform display according to a control signal of the controller 1.
Specifically, the display module 10 includes a display device capable of changing display contents according to a control signal, such as an indicator lamp, a liquid crystal display, a display, and an all-in-one machine, and is capable of visually displaying the operating state of the bidirectional inverter according to the control signal of the controller 1.
Further, the display module 10 includes a bidirectional inverter status indicator lamp; the bidirectional inverter state indicator lamp is used for switching the corresponding display mode according to the control signal.
Specifically, the bidirectional inverter status indicator lamp may be a two-color lamp, preferably a red-green two-color lamp, and when the operating state of the bidirectional inverter is the charging state, the controller 1 sends a corresponding control signal to the bidirectional inverter status indicator lamp through the serial communication circuit 3, so that the display mode of the bidirectional inverter status indicator lamp is switched to the green-light flashing; similarly, when the working state of the bidirectional inverter is a full-charge state, the display mode of the bidirectional inverter state indicator lamp is switched to be a green lamp and is normally on; when the working state of the bidirectional inverter is an inversion state, the display mode of the bidirectional inverter state indicator lamp is switched to be an orange lamp and is normally on; when the working state of the bidirectional inverter is a fault or error state, the display mode of the bidirectional inverter state indicator lamp is switched to be a red lamp and normally on. The two-way inverter state indicator lamp is adopted to improve the monitoring intuitiveness of the two-way inverter communication system and avoid the influence on the normal communication of the two-way inverter caused by the abnormal working state of the two-way inverter.
Further, the display module 10 further includes a bidirectional inverter ac output indicator light; the bidirectional inverter alternating current output indicator lamp is used for indicating the bidirectional inverter alternating current output state according to the control signal.
Specifically, when the bidirectional inverter works in the inversion state, if the working current of the bidirectional inverter exceeds the preset inversion current threshold range, the controller 1 determines that the current state is the inverter ac output abnormal state, otherwise, the current state is the inverter ac output normal state, and the normal communication of the bidirectional inverter is prevented from being influenced by the abnormal inversion state of the bidirectional inverter.
Specifically, the bidirectional inverter alternating current output indicator lamp can be a monochromatic indicator lamp or a bicolor indicator lamp; when the bidirectional inverter alternating current output indicator lamp is a monochromatic indicator lamp, the indicator lamp is normally on, namely the inverter alternating current output is normal, the indicator lamp is turned off, namely the inverter alternating current output is abnormal, and the monochromatic indicator lamp can be green; when the bidirectional inverter alternating current output indicator lamp is a double-color indicator lamp, the first color is normally bright, namely the inverter alternating current output is normal, the second color is normally bright, namely the inverter alternating current output is abnormal, and the double-color indicator lamp can be red and green.
Further, the display module 10 further includes a power indicator light; the power indicator is connected with the controller 1 and used for indicating the working state of the power module 5 according to the control signal.
Specifically, because the power module 5 is a module for supplying power to the controller 1, the controller 1 acquires the working parameters of the power module in real time during working, so as to generate a corresponding control signal to indicate the working state of the power module 5, thereby ensuring the monitoring capability of the working state of the bidirectional inverter communication system and avoiding communication failure caused by power supply failure of the power module 5.
Specifically, the power indicator may be a single-color indicator or a double-color indicator; when the power indicator lamp is a monochromatic indicator lamp, the indicator lamp is normally on, namely, the power supply is normal, the indicator lamp is turned off, namely, the power supply is abnormal, and the monochromatic indicator lamp can be green; when the power indicator is a double-color indicator, the first color is normally bright, namely, the power supply is normal, the second color is normally bright, namely, the power supply is abnormal, and the double-color indicator can be red and green.
In a specific embodiment, the device further comprises a switch circuit; the switch circuit is connected with the controller 1 and used for controlling the working state of the controller 1. Specifically, the switching circuit comprises a key switch for controlling the power on/off of the bidirectional inverter communication system so as to control the power on/off of the bidirectional inverter communication system.
Specifically, when the bidirectional inverter communication system is applied to power a vehicle-mounted battery of a vehicle, the switch circuit further comprises an ignition circuit, and the ignition circuit controls the starting or shutdown of the external host through an external power supply, so that the external host controls the starting or shutdown of the controller 1 connected with the external host; the ignition circuit may be a hall ignition circuit, an integrated circuit ignition, a photoelectric electronic ignition system, etc., and will not be described herein again.
An embodiment of the present application further provides a vehicle, including: the bidirectional inverter communication system is described above.
Specifically, the bidirectional inverter can charge a vehicle-mounted battery of the vehicle, and the bidirectional inverter communication system can realize multi-mode communication of the bidirectional inverter.
It can be understood that, in an embodiment of the present application, a vehicle includes the bidirectional inverter communication system provided in the foregoing embodiment, so that all the beneficial technical effects of the bidirectional inverter communication system in the foregoing embodiment are achieved, and details are not described herein again.
In summary, for the bidirectional inverter communication system and the vehicle provided in the embodiment of the present application, the communication data between the bidirectional inverter and the controller is transmitted through the first serial communication circuit, so that the fast transmission of data and signals is realized; the control signal is sent to external control units such as a host and the like by adopting a second serial communication circuit, so that communication between the external control unit and the bidirectional inverter charger is provided, and a communication path and a communication scene of the bidirectional inverter are increased; in addition, the CAN communication circuit and the second serial communication circuit are used for respectively receiving external data and sending the external data to the working parameters of the bidirectional inverter, so that two transmission modes CAN be compatible in actual use at the same time, and the problems of difficulty in adapting to different communication environments and poor practicability are solved; the running states of the bidirectional inverter are received, sent, checked, set and received through the Bluetooth, so that the multi-mode communication of the bidirectional inverter is realized; the program data packet of the controller is updated by a storage medium with a USB transmission function such as a U disk and the like and the programmable interface circuit is used for updating the controller on line, so that the controller is adaptive to different working environments, and the universality and the practicability of a bidirectional inverter communication system are improved; the working parameters of the bidirectional inverter are collected through the sampling module, and the working state of the bidirectional inverter is visually displayed through the bidirectional inverter state indicator lamp, the power indicator lamp and the bidirectional inverter alternating current output indicator lamp, so that a user or a host controls the bidirectional inverter to stop working for maintenance according to information displayed by the indicator lamps, normal communication of the bidirectional inverter is prevented from being influenced, and the stability of communication of the bidirectional inverter is ensured.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. A bi-directional inverter communication system, comprising: the device comprises a controller, a CAN communication circuit, a first serial communication circuit, a second serial communication circuit and a power module;
the first serial communication circuit is connected between a bidirectional inverter and the controller and is used for transmitting communication data between the bidirectional inverter and the controller;
the second serial communication circuit is connected with the controller and used for receiving external data and transmitting control signals of the controller and working parameters of the bidirectional inverter;
the CAN communication circuit is connected with the controller and used for receiving external data and transmitting working parameters of the bidirectional inverter;
the power module is connected with the controller and used for supplying power to the controller.
2. The bidirectional inverter communication system according to claim 1, further comprising a bluetooth communication circuit connected to the controller, for receiving the control command sent by the intelligent terminal and sending the control command sent by the intelligent terminal to the controller.
3. The bi-directional inverter communication system of claim 1, further comprising a USB interface circuit; the USB interface circuit is connected with the controller and used for transmitting the program data packet of the controller.
4. The bi-directional inverter communication system of claim 1, further comprising a programmable interface circuit; the programmable interface circuit is connected with the controller and is used for providing a program online programming channel of the controller.
5. The bi-directional inverter communication system of any of claims 1 to 4, further comprising a sampling module; the sampling module is connected with the bidirectional inverter and used for acquiring the working parameters of the bidirectional inverter and transmitting the working parameters of the bidirectional inverter to the controller through the first serial communication circuit.
6. The bi-directional inverter communication system of claim 5, further comprising a display module; the display module is connected with the controller through the second serial communication circuit and used for displaying according to the control signal of the controller.
7. The bi-directional inverter communication system of claim 6, wherein the display module includes a bi-directional inverter status indicator light; the bidirectional inverter state indicator lamp is used for switching the corresponding display mode according to the control signal.
8. The bi-directional inverter communication system of claim 6, wherein the display module further comprises a bi-directional inverter AC output indicator light; the bidirectional inverter alternating current output indicator lamp is used for indicating the bidirectional inverter alternating current output state according to the control signal.
9. The bi-directional inverter communication system of claim 6, wherein the display module further comprises a power indicator light; the power supply indicator light is connected with the controller and used for indicating the working state of the power supply module according to the control signal.
10. A vehicle characterized by comprising the bidirectional inverter communication system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120710482.5U CN215268340U (en) | 2021-04-07 | 2021-04-07 | Bidirectional inverter communication system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120710482.5U CN215268340U (en) | 2021-04-07 | 2021-04-07 | Bidirectional inverter communication system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215268340U true CN215268340U (en) | 2021-12-21 |
Family
ID=79507984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120710482.5U Active CN215268340U (en) | 2021-04-07 | 2021-04-07 | Bidirectional inverter communication system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215268340U (en) |
-
2021
- 2021-04-07 CN CN202120710482.5U patent/CN215268340U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10116149B1 (en) | Automatic control system for a rechargeable battery system | |
| CN106274533A (en) | A kind of low-power consumption CCCP detection circuitry for electric automobile and method of work | |
| CN206067526U (en) | A kind of low-power consumption CCCP detection circuitries for electric automobile | |
| US20230291200A1 (en) | Smart connection device, jump starter and battery clamp | |
| CN210984891U (en) | Intelligent temperature control system for lithium battery protection board | |
| CN201928080U (en) | Power supply detecting and switching device | |
| CN204575757U (en) | Charger output characteristics automatic detection device | |
| US10205329B2 (en) | Intelligent charger with diagnostic function and charging method | |
| CN104467040A (en) | Vehicle-mounted uninterruptible power supply (UPS) storage battery control and management device | |
| KR101609719B1 (en) | Apparatus for Sensing Full Charge of Mobile Terminal Battery connected to Vehicle Power Source | |
| CN207010344U (en) | A kind of power-supply device | |
| CN215268340U (en) | Bidirectional inverter communication system and vehicle | |
| CN111504389B (en) | Detection device for battery replacing mechanism of electric vehicle | |
| CN111952943A (en) | Intelligent circuit breaker control device with metering function | |
| CN218906988U (en) | Electric vehicle charging protection device and system thereof | |
| KR101183884B1 (en) | Wireless Power Monitering Receptacle and Power Management Method thereof | |
| CN204858641U (en) | Charger data line and charger | |
| CN211930279U (en) | Battery pack and charging combination device | |
| CN112255540A (en) | Adhesion fault detection circuit of low-side contactor | |
| CN113541237A (en) | Charger and charging method thereof | |
| CN111769535A (en) | Intelligent protection automatic phase separation controller based on wireless network | |
| CN211208604U (en) | Water boiling equipment | |
| CN210608629U (en) | Wireless charging system based on bluetooth | |
| CN110634694A (en) | Double-loop permanent magnet switch driving module capable of being switched manually | |
| CN216051966U (en) | Test system for detecting safety state of battery management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |