CN210181751U - Electric fire detection protection device - Google Patents
Electric fire detection protection device Download PDFInfo
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- CN210181751U CN210181751U CN201921090329.6U CN201921090329U CN210181751U CN 210181751 U CN210181751 U CN 210181751U CN 201921090329 U CN201921090329 U CN 201921090329U CN 210181751 U CN210181751 U CN 210181751U
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Abstract
The utility model discloses an electric fire detection protection device includes: the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module, the residual current transformer, the analog-to-digital converter, the microcontroller and the circuit breaker, wherein the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module and the residual current transformer are electrically connected with the analog-to-digital converter, the analog-to-digital converter is electrically connected with the microcontroller, and the microcontroller is electrically connected with the circuit breaker. Implement the utility model discloses, can predetermine electric fire according to multiple signals such as temperature, electric current, voltage and residual current to can reduce because the emergence probability of the malfunction that noise interference or other factors caused, improve electric fire protection system's reliability.
Description
Technical Field
The utility model relates to an electric safety protection technique, especially electric fire detection protection device.
Background
The existing electric fire protection device mainly detects residual current in a circuit, and triggers an air switch or an alternating current contactor to act when the residual current exceeds a preset threshold value so as to cut off the input of a user power supply and realize the function of fire protection of an electric appliance. However, in real life, due to the existence of complex environments such as voltage fluctuation, noise interference, capacitive impedance and the like, whether an electrical fire occurs or not is judged simply according to residual current, which is easy to cause misoperation, and interference is caused to production and life of users.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric fire detection protection device that interference killing feature is stronger to solve the problem of the easy malfunction of current electric fire protection device.
In order to solve the problem provided above, the utility model discloses a technical scheme be: constructing an electrical fire detection protection device comprising: the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module, the residual current transformer, the analog-to-digital converter, the microcontroller and the circuit breaker, wherein the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module and the residual current transformer are electrically connected with the analog-to-digital converter, the analog-to-digital converter is electrically connected with the microcontroller, and the microcontroller is electrically connected with the circuit breaker.
Further, the electric fire detection protection device also comprises a communication module.
Optionally, the communication module comprises one or more of the following modules: NB-I oT module, SUB-1G module, Bluetooth module, ZigBee module.
Further, the electrical fire detection protection device also comprises a key board.
Further, the electric fire detection protection device also comprises a display screen.
Further, the electrical fire detection protection device also comprises a serial interface.
Further, the electric fire detection protection device also comprises a power supply circuit.
Furthermore, the power supply circuit comprises an alternating current-direct current conversion module and a voltage stabilizing module.
Compared with the prior art, the beneficial effects of the utility model reside in that: implement the utility model discloses can pass through multiple electric signals such as temperature, electric current, voltage, residual current among phase voltage sensing module, phase current sensing module, phase line temperature sensing module, the residual current mutual-inductor acquisition circuit, then utilize analog to digital converter to convert these electric signals into digital signal, prejudge electric fire by microcontroller according to these digital signal to can reduce because the emergence probability of the malfunction that noise interference or other factors caused, improve electric fire protection system's reliability.
Drawings
Fig. 1 shows a block circuit diagram of the electrical fire detection protection device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is given to the implementation of the present invention with reference to the specific embodiments:
fig. 1 shows a block circuit diagram of the electrical fire detection protection device of the present invention. As shown in fig. 1, the utility model discloses an electric fire detection protection device includes: the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module, the residual current transformer, the analog-to-digital converter, the microcontroller and the circuit breaker, wherein the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module and the residual current transformer are electrically connected with the analog-to-digital converter, the analog-to-digital converter is electrically connected with the microcontroller, and the microcontroller is electrically connected with the circuit breaker. The microcontroller can acquire various electrical signals such as temperature, current, voltage, residual current and the like through the analog-to-digital converter and then synthesize the electrical signals according to a preset algorithm to judge, so that the identification precision of electrical fire is improved, misjudgment and leakage can be effectively avoided, and the misjudgment probability is reduced.
In some embodiments, the electrical fire detection protection device further comprises a communication module. Optionally, the communication module comprises one or more of the following modules: NB-IoT module, SUB-1G module, Bluetooth module, ZigBee module. The electric fire detection protection device can transmit various monitored electric signals such as temperature, current, voltage and residual current to the cloud server through the communication module, and the cloud server processes and analyzes the data.
In some embodiments, the electrical fire detection protection device further comprises a keypad for a user to perform data input, modify settings, and the like.
In some embodiments, the electrical fire detection protection device further comprises a display screen. The display screen can be used for displaying data such as temperature, current, voltage, residual current and the like in real time.
In some embodiments, the electrical fire detection protection device further comprises a serial interface. The serial interface can be an RS232 interface or an RS485 interface and is used for serial communication with other equipment.
In some embodiments, the electrical fire detection protection device further comprises a power supply circuit. The power supply circuit comprises an alternating current-direct current conversion module and a voltage stabilizing module, and is used for converting alternating current commercial power into low-voltage direct current so as to supply power for circuits such as a microcontroller, an analog-to-digital converter and a communication module.
Implement the utility model discloses can pass through multiple electric signals such as temperature, electric current, voltage, residual current among phase voltage sensing module, phase current sensing module, phase line temperature sensing module, the residual current mutual-inductor acquisition circuit, then utilize analog to digital converter to convert these electric signals into digital signal, prejudge electric fire by microcontroller according to these digital signal to can reduce because the emergence probability of the malfunction that noise interference or other factors caused, improve electric fire protection system's reliability.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (8)
1. An electrical fire detection protection device, comprising: the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module, the residual current transformer, the analog-to-digital converter, the microcontroller and the circuit breaker, wherein the phase voltage sensing module, the phase current sensing module, the phase temperature sensing module and the residual current transformer are electrically connected with the analog-to-digital converter, the analog-to-digital converter is electrically connected with the microcontroller, and the microcontroller is electrically connected with the circuit breaker.
2. An electrical fire detection protection device according to claim 1, further comprising a communication module.
3. An electrical fire detection protection device according to claim 2, wherein the communication module comprises one or more of the following: NB-IoT module, SUB-1G module, Bluetooth module, ZigBee module.
4. The electrical fire detection protection device of claim 1, further comprising a keypad.
5. An electrical fire detection protection device according to claim 1, further comprising a display screen.
6. The electrical fire detection protection device of claim 1, further comprising a serial interface.
7. The electrical fire detection protection device of claim 1, further comprising a power supply circuit.
8. The electrical fire detection protection device of claim 7, wherein the power supply circuit comprises an AC-DC conversion module and a voltage stabilization module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090329.6U CN210181751U (en) | 2019-07-12 | 2019-07-12 | Electric fire detection protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090329.6U CN210181751U (en) | 2019-07-12 | 2019-07-12 | Electric fire detection protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210181751U true CN210181751U (en) | 2020-03-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921090329.6U Active CN210181751U (en) | 2019-07-12 | 2019-07-12 | Electric fire detection protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210181751U (en) |
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2019
- 2019-07-12 CN CN201921090329.6U patent/CN210181751U/en active Active
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