CN217932475U - Battery monitoring device for alarming - Google Patents
Battery monitoring device for alarming Download PDFInfo
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- CN217932475U CN217932475U CN202221728760.0U CN202221728760U CN217932475U CN 217932475 U CN217932475 U CN 217932475U CN 202221728760 U CN202221728760 U CN 202221728760U CN 217932475 U CN217932475 U CN 217932475U
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Abstract
The utility model discloses a battery monitoring devices for reporting to police is applied to the electric motor car, the electric motor car includes the electric motor car battery, battery monitoring devices includes power module, voltage conversion chip, outage detection circuitry, controller and wireless communication module, the input of voltage conversion chip is connected with the output of electric motor car battery, the output of voltage conversion chip with the input of outage detection circuitry is connected, the output of outage detection circuitry with the controller is connected, the controller still with the wireless communication module is connected, the wireless communication module still with outside mobile terminal communication connection to realize real-time alarm; the beneficial effects are as follows: through this battery monitoring devices, when electric motor car battery was stolen, outage detection circuitry and battery disconnection sent low level alarm signal to the controller, and then triggered wireless communication module work, in time with remote alarm's mode with alarm information conveying to car owner's mobile terminal.
Description
Technical Field
The utility model relates to a battery alarm technical field, concretely relates to battery monitoring devices for report to police.
Background
At present, the battery is more and more widely used, and is especially used in the storage battery car in the daily trip field, is the leading part of storage battery car, therefore some personnel also pointed the storage battery car with black hand, steals the storage battery in the storage battery car, just so has caused the loss for the storage battery car owner. Although the storage battery car is provided with the alarm, the alarm is only given in place, and the alarm is difficult to play a role in a remote place, so that a car owner cannot know the alarm in the first time. Therefore, a more timely solution is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery monitoring devices for report to police to realize more timely warning.
The utility model adopts a technical proposal that: the utility model provides a battery monitoring devices for report to police, is applied to the electric motor car, the electric motor car includes the electric motor car battery, battery monitoring devices includes power module, voltage conversion chip, outage detection circuitry, controller and wireless communication module, power module respectively with outage detection circuitry, controller and wireless communication module connect, the input of voltage conversion chip and electric motor car battery's output connection, the output of voltage conversion chip with outage detection circuitry's input is connected, outage detection circuitry's output with the controller is connected, the controller still with wireless communication module connects, wireless communication module still with outside mobile terminal communication connection to realize real-time warning.
Preferably, the voltage conversion chip is a DC-DC chip for converting a high DC voltage of the battery of the electric vehicle into a low DC voltage required by the power failure detection circuit.
Preferably, the power failure detection circuit comprises a voltage division circuit, a triode, a power storage device and an operational amplifier;
the input of outage detection circuitry passes through bleeder circuit with the base of triode is connected, be equipped with between the collecting electrode of triode and the projecting pole accumulate device, the collecting electrode of triode with operational amplifier's inverting input end is connected, operational amplifier's normal phase input end is connected with VCC through a resistance, VCC still through another resistance with operational amplifier's inverting input end is connected, operational amplifier's output with the controller is connected.
Preferably, the power storage device adopts a capacitor.
Preferably, the wireless communication module adopts a GSM module and is connected to the controller through a serial port.
Preferably, the controller is a microcontroller.
Preferably, the mobile terminal adopts a smart phone.
By adopting the technical scheme, the method has the following advantages: the utility model provides a battery monitoring devices for reporting to police, through this battery monitoring devices, when electric vehicle batteries was stolen, outage detection circuitry and battery disconnection send low level alarm signal to the controller, and then trigger wireless communication module work, in time convey alarm information to car owner's mobile terminal with remote alarm's mode for the car owner can just receive alarm information the very first time and in time take effective measure in order to prevent that electric vehicle batteries is stolen.
Drawings
Fig. 1 is a schematic block diagram of a battery monitoring device for alarming according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power failure detection circuit according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments, which are used for illustrating the present invention but are not used for limiting the scope of the present invention.
Referring to fig. 1 to 2, the embodiment of the utility model provides a pair of a battery monitoring device for report to police is applied to the electric motor car, the electric motor car includes the electric motor car battery, battery monitoring device includes power module, voltage conversion chip, outage detection circuitry, controller and wireless communication module, power module respectively with outage detection circuitry, controller and wireless communication module connect, the input of voltage conversion chip and the output connection of electric motor car battery, the output of voltage conversion chip with outage detection circuitry's input is connected, outage detection circuitry's output with the controller is connected, the controller still with wireless communication module connects, wireless communication module still with outside mobile terminal communication connection to realize real-time alarm.
In the embodiment, the power module can be directly powered by the dry battery, and the power supply is more reliable through the independent power supply mode; because the voltage ratio of the electric vehicle battery is larger, the electric vehicle battery is converted by the voltage conversion chip and then is connected with the power failure detection circuit by using the adapter; the voltage conversion chip adopts a DC-DC chip, the model number of which is PW2906, and is used for converting the high direct-current voltage of the electric vehicle battery into the low direct-current voltage required by the power failure detection circuit; for example, it can be converted into 5V; the controller employs a microcontroller, for example, STM32F103;
correspondingly, in order to realize the alarm of battery loss, the power failure detection circuit comprises a voltage division circuit, a triode, a power storage device and an operational amplifier;
the input end of the power failure detection circuit is connected with the base electrode of the triode through the voltage division circuit, the electricity storage device is arranged between the collector electrode and the emitter electrode of the triode, the collector electrode of the triode is connected with the inverting input end of the operational amplifier, the positive phase input end of the operational amplifier is connected with VCC through a resistor, the VCC is also connected with the inverting input end of the operational amplifier through another resistor, and the output end of the operational amplifier is connected with the controller; in the figure 2, the more detailed connection structure is shown, and the electric storage device adopts a capacitor; the wireless communication module adopts a GSM module and is connected with the controller through a serial port, for example, SIM900A; the operational amplifier adopts LM358; the mobile terminal adopts a smart phone.
Specifically, when the electric vehicle battery is connected and works, the converted voltage passes through a voltage division circuit consisting of a resistor R5 and a resistor R6, a base electrode is driven to enable a triode Q1 to be in a conducting state, at the moment, a capacitor C1 discharges, and the positive phase voltage of a U1 of the operational amplifier is greater than the reverse phase voltage, so that a high level is output;
after the battery of the electric vehicle is disconnected, Q1 is cut off, and the capacitor C1 is rapidly charged to a voltage higher than the voltage of the positive phase input end of the U1 through VCC and R4, so that the U1 outputs a low level, and a low level alarm signal is sent to the controller.
Through the scheme, when the electric vehicle battery is stolen, the power-off detection circuit is disconnected with the battery, and a low-level alarm signal is sent to the controller, so that the wireless communication module is triggered to work, alarm information is transmitted to a mobile terminal of a vehicle owner in a remote alarm mode in time, and the vehicle owner can receive the alarm information in the first time and take effective measures in time to prevent the electric vehicle battery from being stolen.
Finally, it should be noted that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the present invention.
Claims (7)
1. The utility model provides a battery monitoring devices for reporting to police, is applied to the electric motor car, the electric motor car includes electric motor car battery, a serial communication port, battery monitoring devices includes power module, voltage conversion chip, outage detection circuitry, controller and wireless communication module, power module respectively with outage detection circuitry, controller and wireless communication module connect, the input of voltage conversion chip and electric motor car battery's output connection, the output of voltage conversion chip with outage detection circuitry's input is connected, outage detection circuitry's output with the controller is connected, the controller still with wireless communication module connects, wireless communication module still with outside mobile terminal communication connection to realize real-time warning.
2. The battery monitoring device for alarm according to claim 1, wherein the voltage conversion chip is a DC-DC chip.
3. The battery monitoring device for alarming as recited in claim 1, wherein the power failure detection circuit comprises a voltage division circuit, a triode, a power storage device and an operational amplifier;
the input of outage detection circuitry passes through bleeder circuit with the base of triode is connected, be equipped with between the collecting electrode of triode and the projecting pole accumulate device, the collecting electrode of triode with operational amplifier's inverting input end is connected, operational amplifier's normal phase input end is connected with VCC through a resistance, VCC still through another resistance with operational amplifier's inverting input end is connected, operational amplifier's output with the controller is connected.
4. The battery monitoring device for alarming as set forth in claim 3, wherein the electric storage device employs a capacitor.
5. The battery monitoring device for alarming as recited in claim 4, wherein the wireless communication module is a GSM module and is connected with the controller through a serial port.
6. The battery monitoring device for alarming as recited in claim 5, wherein the controller employs a microcontroller.
7. The battery monitoring device for alarming as recited in claim 6, wherein the mobile terminal is a smart phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221728760.0U CN217932475U (en) | 2022-07-05 | 2022-07-05 | Battery monitoring device for alarming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221728760.0U CN217932475U (en) | 2022-07-05 | 2022-07-05 | Battery monitoring device for alarming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217932475U true CN217932475U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221728760.0U Active CN217932475U (en) | 2022-07-05 | 2022-07-05 | Battery monitoring device for alarming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217932475U (en) |
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2022
- 2022-07-05 CN CN202221728760.0U patent/CN217932475U/en active Active
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