CN220535467U - Electric vehicle battery charging temperature detection feedback device - Google Patents
Electric vehicle battery charging temperature detection feedback device Download PDFInfo
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- CN220535467U CN220535467U CN202322306455.3U CN202322306455U CN220535467U CN 220535467 U CN220535467 U CN 220535467U CN 202322306455 U CN202322306455 U CN 202322306455U CN 220535467 U CN220535467 U CN 220535467U
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Abstract
The electric vehicle battery charging temperature detection feedback device comprises a shell, wherein a controller is arranged in the shell, an adjusting knob, a wireless transceiver, an AD converter, an instruction input device and a display screen are connected to the controller, and the controller is used for integrally connecting all electric functional components so as to uniformly integrate a detection link and a transmission feedback link of a battery of the electric vehicle; the adjusting knob is used for setting subdivision degree of charging temperature detection so as to be suitable for temperature detection with different precision; the wireless transceiver is used for establishing wireless communication between the upper computer and the controller, the AD converter adopts 16-bit AD sampling, is connected with the temperature sensor, detects the charging temperature of the electric vehicle, converts the charging temperature into a data type recognizable by the controller and transmits the data type to the controller; the instruction input device is used for being connected with the instruction input interface so as to set a detection threshold value of the charging temperature; the display screen is used for displaying the running state of the controller.
Description
Technical field:
the utility model relates to a battery charging temperature detection feedback device of an electric vehicle.
The background technology is as follows:
the electric vehicle is a pure electric vehicle driven by a motor and provided with electric energy by a storage battery, and has been widely popularized in China in recent years; as a green vehicle, electric vehicles will bring tremendous variation to human society in the 21 st century.
In the electric vehicle, the electric vehicle battery is a core power component, and can provide stable power for daily operation of the electric vehicle, and the working principle is that chemical energy is converted into electric energy which is directly connected with the electric vehicle for power supply; in general, the battery of the electric vehicle can be charged for recycling.
In the charging process of the electric vehicle battery, the real-time charging temperature of the battery is an important detection parameter, and the electric vehicle battery can be ensured to have higher charging efficiency when the charging temperature is in a proper interval; the existing battery charging temperature detection feedback device is single in functionality, only adopts a temperature detection instrument to directly detect, lacks a detection parameter feedback transmission link, enables detected parameters not to be timely transmitted and fed back to user equipment, lacks an integrated control component, cannot uniformly control the detection link and the transmission feedback link, and leads to the fact that a user cannot accurately master the real-time charging temperature of the battery of the electric vehicle when the battery of the electric vehicle is charged.
The utility model comprises the following steps:
the embodiment of the utility model provides a charging temperature detection feedback device for an electric vehicle battery, which has reasonable structural design, is matched with multiple types of electric elements based on the integrated control function of a controller, uniformly integrates a temperature detection link and a transmission feedback link of the electric vehicle battery in the charging process of the electric vehicle battery, can accurately acquire real-time charging temperature parameters and remotely transmit the real-time charging temperature parameters to user equipment, and simultaneously adopts an AD conversion detection mode to accurately acquire the charging temperature parameters.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the electric vehicle battery charging temperature detection feedback device comprises a shell, wherein a controller is arranged in the shell, an adjusting knob, a wireless transceiver, an AD converter, an instruction input device and a display screen are connected to the controller, and the controller is used for integrally connecting all electric functional components so as to uniformly integrate a detection link and a transmission feedback link of a battery of the electric vehicle; the adjusting knob is used for setting subdivision degree of charging temperature detection so as to be suitable for temperature detection with different precision; the wireless transceiver is used for establishing wireless communication between the upper computer and the controller, the AD converter adopts 16-bit AD sampling, is connected with the temperature sensor, detects the charging temperature of the electric vehicle, converts the charging temperature into a data type recognizable by the controller and transmits the data type to the controller; the instruction input device is used for being connected with the instruction input interface so as to set a detection threshold value of the charging temperature; the display screen is used for displaying the running state of the controller.
The model of controller is STM32F103C8T6, is equipped with 64 pins on the controller, the controller links to each other with instruction input unit through No. four pins, the controller links to each other with adjust knob through No. ten pins, the controller links to each other with AD converter through No. sixteen pins, the controller links to each other with wireless transceiver through No. twenty pins and No. twenty-first pins, the controller links to each other with the display screen through thirty-third pins.
The model of the instruction input device is TLP290, four pins are arranged on the instruction input device, the first pin of the instruction input device is connected with the instruction input interface, a ninth resistor, a tenth resistor and a fourth capacitor are connected in parallel between the first pin and the second pin of the instruction input device, a fifth capacitor and an eighth resistor are connected in parallel between the third pin and the fourth pin of the instruction input device, and the third pin of the instruction input device is connected with the fourth pin of the controller.
The model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with sixteen pins of the controller through six pins, and the AD converter is connected with the temperature sensor through three pins; the model of the temperature sensor is SHT20, 4 pins are arranged on the temperature sensor, and the temperature sensor is connected with a third pin of the AD converter through a second pin.
The shell is provided with a charging temperature display instrument connected with the temperature sensor so as to display the real-time charging temperature of the electric vehicle battery.
The model of the wireless transceiver is ESP8266, 8 pins are arranged on the wireless transceiver, the wireless transceiver is connected with the twenty-number pin of the controller through the fourth pin, and the wireless transceiver is connected with the twenty-first pin of the controller through the eighth pin.
By adopting the structure, the utility model integrally connects all the electric functional components through the controller so as to uniformly integrate the detection link and the transmission feedback link of the battery car; setting subdivision degree of charging temperature detection through an adjusting knob so as to be suitable for temperature detection with different precision; directly establishing wireless communication between the upper computer and the controller through the wireless transceiver; the AD converter is connected with the temperature sensor to detect the charging temperature of the electric vehicle and convert the charging temperature into the data type which can be identified by the controller to be transmitted to the controller, and the electric vehicle charging temperature detection device has the advantages of simplicity, practicability, accuracy and high efficiency.
Description of the drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the back structure of the present utility model.
Fig. 3 is a control schematic of the present utility model.
Fig. 4 is an electrical schematic of the controller of the present utility model.
Fig. 5 is an electrical schematic diagram of the AD converter of the present utility model.
Fig. 6 is an electrical schematic diagram of a temperature sensor of the present utility model.
Fig. 7 is an electrical schematic diagram of a wireless transceiver of the present utility model.
Fig. 8 is an electrical schematic of the command input of the present utility model.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-8, the electric vehicle battery charging temperature detection feedback device comprises a shell, wherein a controller is arranged in the shell, an adjusting knob, a wireless transceiver, an AD converter, an instruction input device and a display screen are connected to the controller, and the controller is used for integrally connecting all electric functional components so as to uniformly integrate a detection link and a transmission feedback link of a battery of the electric vehicle; the adjusting knob is used for setting subdivision degree of charging temperature detection so as to be suitable for temperature detection with different precision; the wireless transceiver is used for establishing wireless communication between the upper computer and the controller, the AD converter adopts 16-bit AD sampling, is connected with the temperature sensor, detects the charging temperature of the electric vehicle, converts the charging temperature into a data type recognizable by the controller and transmits the data type to the controller; the instruction input device is used for being connected with the instruction input interface so as to set a detection threshold value of the charging temperature; the display screen is used for displaying the running state of the controller.
The model of controller is STM32F103C8T6, is equipped with 64 pins on the controller, the controller links to each other with instruction input unit through No. four pins, the controller links to each other with adjust knob through No. ten pins, the controller links to each other with AD converter through No. sixteen pins, the controller links to each other with wireless transceiver through No. twenty pins and No. twenty-first pins, the controller links to each other with the display screen through thirty-third pins.
The model of the instruction input device is TLP290, four pins are arranged on the instruction input device, the first pin of the instruction input device is connected with the instruction input interface, a ninth resistor, a tenth resistor and a fourth capacitor are connected in parallel between the first pin and the second pin of the instruction input device, a fifth capacitor and an eighth resistor are connected in parallel between the third pin and the fourth pin of the instruction input device, and the third pin of the instruction input device is connected with the fourth pin of the controller.
The model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with sixteen pins of the controller through six pins, and the AD converter is connected with the temperature sensor through three pins; the model of the temperature sensor is SHT20, 4 pins are arranged on the temperature sensor, and the temperature sensor is connected with a third pin of the AD converter through a second pin.
The shell is provided with a charging temperature display instrument connected with the temperature sensor so as to display the real-time charging temperature of the electric vehicle battery.
The model of the wireless transceiver is ESP8266, 8 pins are arranged on the wireless transceiver, the wireless transceiver is connected with the twenty-number pin of the controller through the fourth pin, and the wireless transceiver is connected with the twenty-first pin of the controller through the eighth pin.
The working principle of the electric vehicle battery charging temperature detection feedback device in the embodiment of the utility model is as follows: based on the integrated control effect of controller, cooperation multiple type electrical component carries out unified integration with the temperature detection link and the transmission feedback link of electric motor car battery in electric motor car battery charging process, can accurately acquire real-time charging temperature parameter and remote transmission to user side equipment, adopts AD conversion detection's mode to acquire charging temperature parameter accurately simultaneously, compares in direct detection mode, and is easier to discern to compromise degree of accuracy and detection feedback efficiency, can be applicable to electric motor car battery of different grade.
Because the operation mode of the existing charging temperature detection device is single, the detection link and the transmission link can be separated by the direct detection mode, so that detection errors can occur, and a user cannot acquire corresponding charging temperature detection parameters in time.
In the whole scheme, the battery car mainly comprises a shell, wherein a controller is arranged in the shell, an adjusting knob, a wireless transceiver, an AD converter, an instruction input device and a display screen are connected to the controller, and the controller is used for integrally connecting all electric functional components so as to uniformly integrate a detection link and a transmission feedback link of a battery of the battery car; the adjusting knob is used for setting subdivision degree of charging temperature detection so as to be suitable for temperature detection with different precision; the wireless transceiver is used for directly establishing wireless communication between the upper computer and the controller, the AD converter adopts 16-bit AD sampling, is connected with the temperature sensor, detects the charging temperature of the electric vehicle, converts the charging temperature into a data type recognizable by the controller and transmits the data type to the controller; the instruction input device is used for being connected with the instruction input interface so as to set a detection threshold value of the charging temperature; the display screen is used for displaying the running state of the controller.
The controller is core assembly, and its model is STM32F103C8T6, is equipped with 64 pins on the controller, the controller links to each other with instruction input unit through No. four pins, the controller links to each other with adjust knob through No. ten pins, the controller links to each other with AD converter through sixteen pins, the controller links to each other with wireless transceiver through No. twenty pins and twenty-first pins, the controller links to each other with the display screen through thirty-third pins to constitute whole hardware circuit, and rely on above-mentioned whole hardware circuit to realize the integration unification of electric motor car battery charge temperature detection link and transmission feedback link, in order to guarantee electric motor car battery charge safety, avoid appearing the too high phenomenon of temperature.
Preferably, the model of the instruction input device is TLP290, four pins are arranged on the instruction input device, the first pin of the instruction input device is connected with the instruction input interface, a ninth resistor, a tenth resistor and a fourth capacitor are connected in parallel between the first pin and the second pin of the instruction input device, a fifth capacitor and an eighth resistor are connected in parallel between the third pin and the fourth pin of the instruction input device, and the third pin of the instruction input device is connected with the fourth pin of the controller; different temperature detection thresholds can be set under the combined action of the instruction input interface and the instruction input device, and the temperature detection thresholds are set for different specifications or different types of electric vehicle batteries so as to improve the flexibility and the universality of the device.
In addition, the instruction input device and the instruction input interface can carry out fine adjustment on the temperature detection threshold value under the environments of different seasons and different temperatures, so that the method is more suitable for practical application.
When the detected real-time charging temperature exceeds the detection threshold, the controller can automatically transmit alarm information to the upper computer through the wireless transceiver, and a user can acquire the alarm information at the first time, so that the upper computer can stop the charging process of the electric vehicle battery, and the charging safety of the electric vehicle battery is ensured.
Preferably, the model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with sixteen pins of the controller through six pins, and the AD converter is connected with the temperature sensor through three pins; the model of the temperature sensor is SHT20, 4 pins are arranged on the temperature sensor, and the temperature sensor is connected with a third pin of the AD converter through a second pin; in general, the temperature sensor can be arranged above the electric vehicle battery, and directly detects the temperature parameter sent out by the electric vehicle battery during charging to feed back the change of the charging temperature; or the temperature sensor is connected with a charging interface of the electric vehicle battery through a wire to directly detect.
The acquired temperature parameters are converted under the action of the AD converter, so that the controller can accurately identify and judge.
Further, the charging temperature display instrument connected with the temperature sensor is further arranged on the shell of the electric vehicle battery charging device to display the real-time charging temperature of the electric vehicle battery.
Preferably, the model of the wireless transceiver is ESP8266, 8 pins are arranged on the wireless transceiver, the wireless transceiver is connected with the twenty-number pin of the controller through the fourth pin, and the wireless transceiver is connected with the twenty-first pin of the controller through the eighth pin; the controller can establish stable wireless communication between the controller and the upper computer, and accurately transmit the detected charging temperature parameters, so that a user can timely acquire the real-time charging temperature parameters of the electric vehicle battery.
When in actual use, the temperature detection threshold is set according to the actual application scene by matching the instruction input device with the instruction input interface, and the detection fine graduation is set according to the type of the electric vehicle battery by the adjusting knob, so that the characteristics of the whole device are completely adapted to the electric vehicle battery to be detected.
The electric vehicle battery starts to charge, and under the integrated action of the controller, the real-time charging temperature parameter of the electric vehicle battery is detected, the detection link and the transmission feedback link are integrated, and the detected real-time charging temperature parameter can be accurately transmitted to the upper computer.
The method is characterized in that the sequence of the time nodes for installing the real-time charging temperature parameters obtained through detection is sequentially stored in the upper computer, so that a user can conveniently inquire historical data.
In summary, the electric vehicle battery charging temperature detection feedback device in the embodiment of the utility model is based on the integrated control function of the controller, and is matched with multiple types of electrical elements, so that the temperature detection link and the transmission feedback link of the electric vehicle battery are integrated in a unified manner in the electric vehicle battery charging process, real-time charging temperature parameters can be accurately acquired and transmitted to the user terminal equipment in a remote mode, meanwhile, the charging temperature parameters are accurately acquired in an AD conversion detection mode, and compared with a direct detection mode, the electric vehicle battery charging temperature detection feedback device is easier to recognize, thereby giving consideration to accuracy and detection feedback efficiency, and being applicable to different types of electric vehicle batteries.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. Electric motor car battery charging temperature detects feedback device, its characterized in that: the device comprises a shell, wherein a controller is arranged in the shell, an adjusting knob, a wireless transceiver, an AD converter, an instruction input device and a display screen are connected to the controller, and the controller is used for integrally connecting all electric functional components so as to uniformly integrate a detection link and a transmission feedback link of a battery of the battery car; the adjusting knob is used for setting subdivision degree of charging temperature detection so as to be suitable for temperature detection with different precision; the wireless transceiver is used for establishing wireless communication between the upper computer and the controller, the AD converter adopts 16-bit AD sampling, is connected with the temperature sensor, detects the charging temperature of the electric vehicle, converts the charging temperature into a data type recognizable by the controller and transmits the data type to the controller; the instruction input device is used for being connected with the instruction input interface so as to set a detection threshold value of the charging temperature; the display screen is used for displaying the running state of the controller.
2. The electric vehicle battery charge temperature detection feedback device according to claim 1, wherein: the model of controller is STM32F103C8T6, is equipped with 64 pins on the controller, the controller links to each other with instruction input unit through No. four pins, the controller links to each other with adjust knob through No. ten pins, the controller links to each other with AD converter through No. sixteen pins, the controller links to each other with wireless transceiver through No. twenty pins and No. twenty-first pins, the controller links to each other with the display screen through thirty-third pins.
3. The electric vehicle battery charge temperature detection feedback device according to claim 2, wherein: the model of the instruction input device is TLP290, four pins are arranged on the instruction input device, the first pin of the instruction input device is connected with the instruction input interface, a ninth resistor, a tenth resistor and a fourth capacitor are connected in parallel between the first pin and the second pin of the instruction input device, a fifth capacitor and an eighth resistor are connected in parallel between the third pin and the fourth pin of the instruction input device, and the third pin of the instruction input device is connected with the fourth pin of the controller.
4. The electric vehicle battery charge temperature detection feedback device according to claim 2, wherein: the model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with sixteen pins of the controller through six pins, and the AD converter is connected with the temperature sensor through three pins; the model of the temperature sensor is SHT20, 4 pins are arranged on the temperature sensor, and the temperature sensor is connected with a third pin of the AD converter through a second pin.
5. The electric vehicle battery charge temperature detection feedback device according to claim 4, wherein: the shell is provided with a charging temperature display instrument connected with the temperature sensor so as to display the real-time charging temperature of the electric vehicle battery.
6. The electric vehicle battery charge temperature detection feedback device according to claim 2, wherein: the model of the wireless transceiver is ESP8266, 8 pins are arranged on the wireless transceiver, the wireless transceiver is connected with the twenty-number pin of the controller through the fourth pin, and the wireless transceiver is connected with the twenty-first pin of the controller through the eighth pin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306455.3U CN220535467U (en) | 2023-08-25 | 2023-08-25 | Electric vehicle battery charging temperature detection feedback device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322306455.3U CN220535467U (en) | 2023-08-25 | 2023-08-25 | Electric vehicle battery charging temperature detection feedback device |
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| CN220535467U true CN220535467U (en) | 2024-02-27 |
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| CN202322306455.3U Active CN220535467U (en) | 2023-08-25 | 2023-08-25 | Electric vehicle battery charging temperature detection feedback device |
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- 2023-08-25 CN CN202322306455.3U patent/CN220535467U/en active Active
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