CN210183006U - Power-off alarm control circuit - Google Patents
Power-off alarm control circuit Download PDFInfo
- Publication number
- CN210183006U CN210183006U CN201921434055.8U CN201921434055U CN210183006U CN 210183006 U CN210183006 U CN 210183006U CN 201921434055 U CN201921434055 U CN 201921434055U CN 210183006 U CN210183006 U CN 210183006U
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- China
- Prior art keywords
- circuit
- alarm control
- voltage
- control circuit
- power
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- 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.)
- Expired - Fee Related
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- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a power failure alarm control circuit, including radio signal transmission circuit, respectively with voltage stabilizing circuit, outage monitoring circuit and the identification circuit that the radio signal transmission circuit electricity is connected, voltage stabilizing circuit reduces domestic voltage to predetermineeing the magnitude of voltage, the monitoring of outage monitoring circuit predetermine the magnitude of voltage and according to predetermine the magnitude of voltage variation data send to radio signal transmission circuit, the identification circuit passes through radio signal transmission circuit and sends the outage information. The utility model has the advantages of being simple in structure and convenient in operation, the stable performance can in time discover domestic appliance's the power supply condition moreover, reduces the use risk.
Description
Technical Field
The utility model relates to an electrical equipment test field, concretely relates to outage alarm control circuit.
Background
At present, with the popularization of household appliances, particularly the application of refrigeration devices, if power is cut off, the items (such as food) in the refrigeration devices can be rotten. The existing power failure alarm system is too complex in function and high in price, or the power failure alarm system is too simple in function and low in reliability, and a battery is needed to supply power for the power failure alarm system after power failure. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a convenient to use, outage alarm control circuit that the reliability is high.
The utility model discloses a realize through following technical scheme:
a power failure alarm control circuit comprises a wireless signal sending circuit, a voltage stabilizing circuit, a power failure monitoring circuit and an identity recognition circuit, wherein the voltage stabilizing circuit, the power failure monitoring circuit and the identity recognition circuit are respectively electrically connected with the wireless signal sending circuit, the voltage stabilizing circuit reduces household voltage to a preset voltage value, the power failure monitoring circuit monitors the preset voltage value and sends data to the wireless signal sending circuit according to the preset voltage value, and the identity recognition circuit sends power failure information through the wireless signal sending circuit.
Further, the wireless signal transmitting circuit is a GPRS signal transmitting circuit.
Further, the voltage stabilizing circuit further comprises a protection circuit, and the protection circuit comprises a current limiting circuit and a thermal shutdown circuit.
Further, the identity recognition circuit comprises a SIM card seat
Further, the power outage monitoring circuit comprises a farad capacitor.
Compared with the prior art, the utility model discloses a whether outage monitoring circuit detects domestic voltage and supplies power, if do not supply power just for the control circuit power supply and send the outage signal, for the user provides domestic voltage behavior to the handling emergence incident has improved the safety in utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic diagram of the power-off alarm control circuit of the present invention.
In the figure: 1-a wireless signal transmitting circuit; 2-voltage stabilizing circuit; 3-a power-off monitoring circuit; 4-identity recognition circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 the utility model discloses a power failure alarm control circuit, including radio signal transmission circuit 1, voltage stabilizing circuit 2 with the 1 electricity of radio signal transmission circuit is connected respectively, outage monitoring circuit 3 and identification circuit 4, voltage stabilizing circuit 2 reduces domestic voltage to predetermineeing the magnitude of voltage, and the magnitude of voltage is predetermine in outage monitoring circuit 3 monitoring and according to predetermineeing magnitude of voltage change data transmission to radio signal transmission circuit 1, and identification circuit 4 sends the outage information through radio signal transmission circuit 1.
The wireless signal transmitting circuit 1 is a GPRS signal transmitting circuit.
The voltage stabilizing circuit 2 further comprises a protection circuit including a current limiting circuit and a thermal shutdown circuit.
The identity recognition circuit 4 comprises an SIM card seat, and is convenient for communication with the mobile terminal.
The power failure monitoring circuit 3 includes a farad capacitor and supplies power to the control circuit.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a outage alarm control circuit which characterized in that: the household voltage is reduced to a preset voltage value by the voltage stabilizing circuit, the power failure monitoring circuit monitors the preset voltage value and sends the preset voltage value to the wireless signal sending circuit according to the preset voltage value change data, and the identity recognition circuit sends power failure information through the wireless signal sending circuit.
2. The power outage alarm control circuit according to claim 1, characterized in that: the wireless signal transmitting circuit is a GPRS signal transmitting circuit.
3. The power outage alarm control circuit according to claim 1, characterized in that: the voltage stabilizing circuit further comprises a protection circuit, wherein the protection circuit comprises a current limiting circuit and a thermal shutdown circuit.
4. The power outage alarm control circuit according to claim 1, characterized in that: the identity recognition circuit comprises a SIM card seat.
5. The power outage alarm control circuit according to claim 1, characterized in that: the power down monitoring circuit includes a farad capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921434055.8U CN210183006U (en) | 2019-08-30 | 2019-08-30 | Power-off alarm control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921434055.8U CN210183006U (en) | 2019-08-30 | 2019-08-30 | Power-off alarm control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210183006U true CN210183006U (en) | 2020-03-24 |
Family
ID=69842706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921434055.8U Expired - Fee Related CN210183006U (en) | 2019-08-30 | 2019-08-30 | Power-off alarm control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210183006U (en) |
-
2019
- 2019-08-30 CN CN201921434055.8U patent/CN210183006U/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: 20200324 |