CN209746747U - Power-off burglar alarm - Google Patents
Power-off burglar alarm Download PDFInfo
- Publication number
- CN209746747U CN209746747U CN201920785166.7U CN201920785166U CN209746747U CN 209746747 U CN209746747 U CN 209746747U CN 201920785166 U CN201920785166 U CN 201920785166U CN 209746747 U CN209746747 U CN 209746747U
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- module
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- power supply
- detection
- alarm
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Abstract
The utility model relates to a power-off burglar alarm, this power-off burglar alarm includes: the power supply monitoring system comprises a processor module, a power supply detection module and an alarm module, wherein the power supply detection module and the alarm module are electrically connected with the processor module; the power supply detection module is suitable for carrying out power-on and power-off detection on the power supply module and sending detection information to the processor module; the processor module controls the alarm module to alarm after receiving a power-off signal of the power supply module; the utility model discloses a carry out the outage detection to power module in real time, in time report to the police when the power disconnection, realized the function of outage theftproof to simple structure, detection accuracy, convenient to use.
Description
Technical Field
the utility model relates to a circuit control field especially relates to a power failure alarm.
Background
At present, more and more electric vehicles (four-wheel vehicles, three-wheel vehicles and two-wheel vehicles) are produced and used, but when the vehicles are charged, a long wire socket needs to be led out from the indoor to the outdoor for charging, and a user cannot always stare until the vehicles are charged, so that the possibility of being stolen can be caused.
Therefore, it is desirable to develop a new power-off burglar alarm to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a outage alarm to solve the problem of how to carry out timely warning when the power is disconnected in the charging process.
In order to solve the technical problem, the utility model provides a power-off burglar alarm, it includes: the power supply monitoring system comprises a processor module, a power supply detection module and an alarm module, wherein the power supply detection module and the alarm module are electrically connected with the processor module; the power supply detection module is suitable for carrying out power-on and power-off detection on the power supply module and sending detection information to the processor module; and the processor module controls the alarm module to alarm after receiving the power-off signal of the power supply module.
Further, the power supply module includes: the low-voltage stabilizing chip is electrically connected with the power supply input end; the low-voltage stabilizing chip is suitable for performing voltage stabilizing output on the power supply voltage at the power supply input end.
further, the power detection module includes: two detection function lines electrically connected with the output end of the low-voltage stabilizing chip; the two detection function lines are electrically connected with the processor module; when the two detection function lines are short-circuited, sending a switch-on signal of the power supply module to the processor module; and when the two detection function lines are disconnected, sending a power-off signal of the power supply module to the processor module.
further, the power detection module further comprises: the voltage dividing resistors are electrically connected with the output end of the low-voltage stabilizing chip; the divider resistors are electrically connected with the processor module; and the voltage dividing resistors are suitable for detecting a power supply voltage signal and sending the power supply voltage signal to the processor module.
Further, the alarm module includes: the three-pin inductance booster circuit is electrically connected with the processor module; the processor module is suitable for controlling a buzzer in the three-pin inductance booster circuit to give an alarm.
the beneficial effects of the utility model are that, the utility model discloses a carry out the outage detection to power module in real time, in time report to the police when the power disconnection, realized the function of outage theftproof to simple structure, detect accurate, convenient to use.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic block diagram of the power-off burglar alarm of the present invention;
Fig. 2 is a circuit diagram of the power-off burglar alarm of the present invention.
In the figure: processor module U3.
Detailed Description
the present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
example 1
FIG. 1 is a schematic block diagram of the power-off burglar alarm of the present invention;
Fig. 2 is a circuit diagram of the power-off burglar alarm of the present invention.
In this embodiment, as shown in fig. 1 and fig. 2, the present embodiment provides a power-off burglar alarm, which includes: the power supply device comprises a processor module U3, a power supply module, a power supply detection module and an alarm module, wherein the power supply detection module and the alarm module are electrically connected with the processor module U3; wherein the power detection module is adapted to perform power-on and power-off detection on the power module and send detection information to the processor module U3; and the processor module U3 controls the alarm module to alarm after receiving the power-off signal of the power supply module.
In this embodiment, as shown in fig. 2, the processor module U3 may be, but is not limited to, an EM78p153s single chip microcomputer.
In this embodiment, this embodiment is through carrying out the outage detection to power module in real time, in time reports to the police when the power disconnection, has realized the function of outage theftproof to simple structure, detection accuracy, convenient to use.
In order to perform voltage stabilization output on a power supply voltage at a power supply input end, the power supply module comprises: the low-voltage stabilizing chip is electrically connected with the power supply input end; the low-voltage stabilizing chip is suitable for performing voltage stabilizing output on the power supply voltage at the power supply input end.
In the present embodiment, as shown in fig. 2, the low voltage regulator chip is adapted to regulate and output the power voltage at the power input terminal to the CON1 terminal.
In the present embodiment, the low voltage regulator chip can be, but is not limited to, an HT7150 LDO chip.
For power-on and power-off detection of a power module, the power detection module comprises: two detection function lines electrically connected with the output end of the low-voltage stabilizing chip; the two detection function lines are electrically connected with the processor module U3; when the two detection function lines are short-circuited, sending a switch-on signal of the power supply module to the processor module U3; and when the two detection function lines are disconnected, sending a power-off signal of the power supply module to the processor module U3.
In this embodiment, when the two detection function lines are short-circuited, the power supply loop works normally; when the two detection function lines are disconnected, namely the power supply loop is disconnected; the power-off anti-theft function is realized.
In this embodiment, a 23A-12V battery may be used as the power source to provide the supply voltage.
In order to detect the power voltage signal to determine whether the power voltage is operating within a normal range, the power detection module further comprises: the voltage dividing resistors are electrically connected with the output end of the low-voltage stabilizing chip; the divider resistors are electrically connected with the processor module U3; a number of voltage dividing resistors are adapted to sense the supply voltage signal and send it to the processor module U3.
In this embodiment, as a preferred embodiment, as shown in fig. 2, three voltage dividing resistors are used: a voltage dividing resistor R21, a voltage dividing resistor R22 and a voltage dividing resistor R27.
In this embodiment, each voltage-dividing resistor also plays a protective role.
For audible alerting, the alerting module comprises: the three-pin inductance booster circuit is electrically connected with the processor module U3; the processor module U3 is suitable for controlling a buzzer in the three-pin inductance booster circuit to give an alarm.
In this embodiment, the PWM pin of the processor module U3 is connected to a three-pin inductive boost circuit.
To sum up, the utility model discloses a carry out the outage detection to power module in real time, in time report to the police when the power disconnection, realized the function of outage theftproof to simple structure, detection accuracy, convenient to use.
in light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. An outage burglar alarm, comprising:
The power supply monitoring system comprises a processor module, a power supply detection module and an alarm module, wherein the power supply detection module and the alarm module are electrically connected with the processor module; wherein
the power supply detection module is suitable for carrying out power-on and power-off detection on the power supply module and sending detection information to the processor module;
And the processor module controls the alarm module to alarm after receiving the power-off signal of the power supply module.
2. The power outage burglar alarm according to claim 1,
the power module includes: the low-voltage stabilizing chip is electrically connected with the power supply input end;
The low-voltage stabilizing chip is suitable for performing voltage stabilizing output on the power supply voltage at the power supply input end.
3. The power outage burglary protector according to claim 2,
The power detection module includes: two detection function lines electrically connected with the output end of the low-voltage stabilizing chip;
the two detection function lines are electrically connected with the processor module;
when the two detection function lines are short-circuited, sending a switch-on signal of the power supply module to the processor module; and
And when the two detection function lines are disconnected, sending a power-off signal of the power supply module to the processor module.
4. the power outage burglar alarm according to claim 3,
The power detection module further comprises: the voltage dividing resistors are electrically connected with the output end of the low-voltage stabilizing chip;
The divider resistors are electrically connected with the processor module;
And the voltage dividing resistors are suitable for detecting a power supply voltage signal and sending the power supply voltage signal to the processor module.
5. The power outage burglar alarm according to claim 1,
the alarm module includes: the three-pin inductance booster circuit is electrically connected with the processor module;
The processor module is suitable for controlling a buzzer in the three-pin inductance booster circuit to give an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785166.7U CN209746747U (en) | 2019-05-28 | 2019-05-28 | Power-off burglar alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785166.7U CN209746747U (en) | 2019-05-28 | 2019-05-28 | Power-off burglar alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209746747U true CN209746747U (en) | 2019-12-06 |
Family
ID=68723194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920785166.7U Expired - Fee Related CN209746747U (en) | 2019-05-28 | 2019-05-28 | Power-off burglar alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209746747U (en) |
-
2019
- 2019-05-28 CN CN201920785166.7U patent/CN209746747U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20200528 |