CN220391064U - Early warning type low-power charger - Google Patents
Early warning type low-power charger Download PDFInfo
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- CN220391064U CN220391064U CN202322029654.4U CN202322029654U CN220391064U CN 220391064 U CN220391064 U CN 220391064U CN 202322029654 U CN202322029654 U CN 202322029654U CN 220391064 U CN220391064 U CN 220391064U
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- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses an early warning type low-power charger, which belongs to the field of chargers and aims to solve the problem that the low-power charger in the prior art cannot early warn in time. The charging circuit comprises a control module, wherein the control module is electrically connected with a temperature measurement module, a clock module and an electric quantity measurement module respectively; the temperature measuring module comprises a temperature sensor and a temperature acquisition circuit provided with the temperature sensor; the control module is in bidirectional electrical connection with the GSM/GPRS module; the control module is electrically connected with the display screen. The utility model is mainly provided with a temperature measuring module and an electric quantity measuring module, the temperature, the current and the voltage during charging are monitored in real time, and the control module can be used for disconnecting and charging when the temperature, the current and the voltage exceed the threshold value, so that the charging safety is ensured.
Description
Technical Field
The utility model relates to a charger, in particular to an early warning type low-power charger.
Background
Currently, with the development of new energy electric vehicles supported by China, a large number of electric vehicles (especially two-wheel and three-wheel vehicles) are introduced to the market. But the electric vehicle is applied on a large scale, and is required to be provided with qualified endurance mileage and enough power battery capacity. The large-capacity battery requires the intellectualization of the electric vehicle charging system in order to obtain sufficient energy in a short time. Therefore, development of a charging system with excellent performance is an indispensable component for large-scale commercialization of electric vehicles. How to realize the rapid and nondestructive charging of the storage battery by the intelligent charging system is one of key technologies of the electric vehicle.
The application with publication number of CN210941373U discloses a low-power charger, which realizes fast following and a five-section charging mode, and can effectively realize a charging function and protect a battery. But lack the early warning device, can't carry out quick response to the unusual circumstances such as the condition that the temperature is too high when charging.
At present, a low-power charger capable of early warning is lacking.
Disclosure of Invention
The utility model aims to provide an early warning type low-power charger so as to solve the problem that the low-power charger in the prior art cannot early warn in time.
The utility model is realized by the following technical scheme:
the early warning type low-power charger comprises a charging loop, wherein the charging loop comprises a control module, and the control module is respectively and electrically connected with a temperature measurement module, a clock module and an electric quantity measurement module; the temperature measuring module comprises a temperature sensor and a temperature acquisition circuit provided with the temperature sensor; the control module is in bidirectional electrical connection with the GSM/GPRS module; the control module is electrically connected with the display screen.
Further, the charging loop comprises a fuse, a pre-charging module, an uncontrollable rectifying module, an input filtering module, an isolated DC-DC module, an output filtering module and a battery, wherein the fuse, the pre-charging module, the uncontrollable rectifying module, the input filtering module, the isolated DC-DC module, the output filtering module and the battery are sequentially connected, a protection circuit module is connected between the uncontrollable rectifying module and the input filtering module, a sampling circuit module is connected between the isolated DC-DC module and the output filtering module, the protection circuit module and the sampling main control circuit module are connected with the main control circuit module, the main control circuit module is connected with the isolated DC-DC module, the sampling circuit module is connected with the protection circuit module, and the sampling circuit module is connected with the battery.
Further, the GSM/GPRS module comprises a GSM/GPRS chip, and a pin of the GSM/GPRS chip is electrically connected with a radio frequency antenna.
Further, the GSM/GPRS chip employs a chip SIM800a.
Further, the clock module comprises a clock chip, and the clock chip is electrically connected with the crystal oscillator.
Further, the display screen is an OLED display screen, and a buzzer and keys are arranged on the OLED display screen.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is provided with a temperature measuring module and an electric quantity measuring module, the temperature, the current and the voltage during charging are monitored in real time, and when the temperature, the current and the voltage exceed the threshold values, the control module can be used for disconnecting the charging, so that the charging safety is ensured.
2. The utility model is provided with a display screen, and the display screen can display data parameters acquired by the electric quantity measuring module and the temperature measuring module in real time for monitoring by people.
3. The utility model is provided with the GSM/GPRS module, the pin of the GSM/GPRS module is connected with the radio frequency antenna to send out alarm data information, the GSM/GPRS module directly binds the temperature alarm information and then realizes remote alarm, and the equipment cost is low.
Drawings
Fig. 1 is a system diagram of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
An early warning type low-power charger in embodiment 1 is shown in fig. 1, and comprises a charging loop, wherein the charging loop comprises a control module, the control module is respectively and electrically connected with a temperature measurement module, a clock module and an electric quantity measurement module, the electric quantity measurement module is in the prior art, and is used for collecting the voltage value and the current value of a charged battery and displaying the values on a display screen for real-time monitoring of staff; the temperature measuring module comprises a temperature sensor and a temperature acquisition circuit provided with the temperature sensor, wherein the temperature acquisition circuit is in the prior art, temperature data are acquired through the temperature acquisition circuit and the temperature sensor and then amplified, and then the temperature data are transmitted to the control module, and the control module carries out correlation conversion through AD sampling to obtain temperature; the clock module is combined with the crystal oscillator to generate time information; the control module is in bidirectional electrical connection with the GSM/GPRS module, and the control module judges that the temperature information and the time information can be combined to send a temperature alarm short message; the control module is electrically connected with the display screen, and the display screen displays the acquired temperature parameters and time parameters.
In embodiment 2, an early warning type low-power charger, the fuse, typically a glass fuse with a lead wire, is 250V/10A, is externally connected with 220V ac mains supply, and is connected to an internal pre-charging module circuit at the same time, so as to play a role in protection. The pre-charging module is a typical cylindrical direct-insert aluminum electrolytic capacitor, one end of the pre-charging module is connected with a fuse, the other end of the pre-charging module is connected with an uncontrollable rectifier module bridge, and the pre-charging module is mainly used for stabilizing input voltage and peak current and preventing voltage and current fluctuation. The uncontrollable rectifying module circuit is typically a GBU series rectifying module, one end of the uncontrollable rectifying module is connected with the pre-charging module, and the other end of the uncontrollable rectifying module circuit is connected with the input filtering module and the protection circuit module and is used for converting unidirectional alternating current into direct current. The input filter module is typically a filter circuit formed by an inductor and a resistor, one end of the input filter module is connected with the uncontrollable rectifier module, the other end of the input filter module is connected with the isolation DC-DC module, and the input filter module has the main functions of stabilizing the rectified voltage and current waveform and absorbing peak voltage and current. The isolation DC-DC module is typically a transformer, a flyback auxiliary circuit and a hardware PI circuit, one end of the isolation DC-DC module is connected with the input filter module, and the other end of the isolation DC-DC module is connected with the output filter module and the sampling circuit module. The output filter module is typically a filter circuit consisting of an inductor and a resistor, one end of the output filter module is connected with the isolation DC-DC module, the other end of the output filter module is directly connected with a battery, and the output filter module outputs stable and adjustable direct current. The sampling circuit module is typically used for sampling temperature, current and voltage, and the like, and is used for collecting signals of all paths and feeding the signals back to the main control circuit module. The main control circuit module is typically a main control chip N76E003AT20, one end of the main control chip is connected with the sampling circuit module and the protection circuit module, and the other end of the main control chip is connected with the isolation DC-DC module and controls the isolation DC-DC module; the GSM/GPRS module comprises a GSM/GPRS chip, a pin of the GSM/GPRS chip is electrically connected with a radio frequency antenna SMA, and alarm data information can be sent out through the radio frequency antenna SMA; the GSM/GPRS chip adopts a chip SIM800a; the clock module comprises a clock chip, the clock chip is electrically connected with the crystal oscillator, the time chip is in communication connection with the control module by adopting DS1302, and the frequency of the crystal oscillator is 32.768kHz; the display screen is an OLED display screen, a buzzer and keys are arranged on the OLED display screen, the OLED display screen and the keys are used as human-computer interfaces, and the OLED display screen is in communication connection with the control module through an IIC protocol. The other steps are the same as in example 1.
In use, the temperature of the charging machine is collected and compared with the threshold temperature, when the temperature is exceeded, the control module can cut off the charging circuit in time, and when the voltage value and the current value exceed the threshold range, the charging circuit can be cut off in time; when abnormal conditions occur, the control module sends alarm information and temperature data to the outside through the GSM/GPRS module; and the display screen is arranged on the control module and used for displaying charging voltage, current, temperature and time, so that people can monitor in real time.
Claims (6)
1. The utility model provides a little power of early warning formula machine that charges, includes the return circuit that charges, the return circuit that charges includes control module, its characterized in that: the control module is respectively and electrically connected with the temperature measurement module, the clock module and the electric quantity measurement module; the temperature measuring module comprises a temperature sensor and a temperature acquisition circuit provided with the temperature sensor; the control module is in bidirectional electrical connection with the GSM/GPRS module; the control module is electrically connected with the display screen.
2. The early warning low power charger of claim 1, wherein: the charging circuit comprises a fuse, a pre-charging module, an uncontrollable rectifying module, an input filtering module, an isolated DC-DC module, an output filtering module and a battery, wherein the fuse, the pre-charging module, the uncontrollable rectifying module, the input filtering module, the isolated DC-DC module, the output filtering module and the battery are sequentially connected, a protection circuit module is connected between the uncontrollable rectifying module and the input filtering module, a sampling circuit module is connected between the isolated DC-DC module and the output filtering module, the protection circuit module and the sampling main control circuit module are connected with the main control circuit module, the main control circuit module is connected with the isolated DC-DC module, the sampling circuit module is connected with the protection circuit module, and the sampling circuit module is connected with the battery.
3. The early warning low power charger of claim 1, wherein: the GSM/GPRS module comprises a GSM/GPRS chip, and a pin of the GSM/GPRS chip is electrically connected with a radio frequency antenna.
4. The pre-warning low power charger of claim 3, wherein: the GSM/GPRS chip employs a chip SIM800a.
5. The early warning low power charger of claim 1, wherein: the clock module comprises a clock chip, and the clock chip is electrically connected with the crystal oscillator.
6. The early warning low power charger of claim 1, wherein: the display screen is an OLED display screen, and a buzzer and keys are arranged on the OLED display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322029654.4U CN220391064U (en) | 2023-07-31 | 2023-07-31 | Early warning type low-power charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322029654.4U CN220391064U (en) | 2023-07-31 | 2023-07-31 | Early warning type low-power charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220391064U true CN220391064U (en) | 2024-01-26 |
Family
ID=89614515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322029654.4U Active CN220391064U (en) | 2023-07-31 | 2023-07-31 | Early warning type low-power charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220391064U (en) |
-
2023
- 2023-07-31 CN CN202322029654.4U patent/CN220391064U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 272000 No. 8 Lianhua Road, Wangyin Street, High tech Zone, Jining City, Shandong Province Patentee after: Shandong Lingao Electronic Technology Co.,Ltd. Country or region after: China Address before: 272000, 3rd Floor, Building C5, Industry University Research Base, High tech Zone, Jining City, Shandong Province Patentee before: Shandong Lingao Electronic Technology Co.,Ltd. Country or region before: China |