CN215494594U - Circuit for electricity safety detector - Google Patents
Circuit for electricity safety detector Download PDFInfo
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- CN215494594U CN215494594U CN202120930681.7U CN202120930681U CN215494594U CN 215494594 U CN215494594 U CN 215494594U CN 202120930681 U CN202120930681 U CN 202120930681U CN 215494594 U CN215494594 U CN 215494594U
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Abstract
The utility model discloses a circuit for an electricity utilization safety detector, which comprises a single chip microcomputer with the model number of STM32L152C8T6, a wireless module, a temperature detection module and a detection circuit, wherein the single chip microcomputer is connected with the wireless module, the single chip microcomputer is connected with the temperature detection module, the detection circuit comprises a sensor with the model number of TVOC, the single chip microcomputer is connected with the detection circuit, a twenty-fifth pin of the single chip microcomputer is connected with a fourth pin of the wireless module, a twenty-sixth pin of the single chip microcomputer is connected with a twelfth pin of the wireless module, a twenty-eighth pin of the single chip microcomputer is connected with a fourteenth pin of the wireless module, a twenty-ninth pin of the single chip microcomputer is connected with a fifth pin of the wireless module, a thirty-second pin of the single chip microcomputer is connected with a fifteenth pin of the wireless module, a tenth pin of the single chip microcomputer is connected with a sixth pin of the TVOC sensor, and an eleventh pin of the singlechip is connected with a fifth pin of the TVOC sensor.
Description
Technical Field
The utility model relates to the field of electricity safety detection, in particular to a circuit for an electricity safety detector.
Background
The fire monitoring system of the electric appliance monitors and controls the electricity consumption in real time, and fire can be caused by improper electricity consumption or line faults. The conflagration in the real life is many because the fire safety problem that the power consumption is not standard to arouse in the very early stage, so need a power consumption safety detection circuit to can carry out real-time control to the power consumption, this circuit is a very early conflagration early warning circuit, can effectively prevent that electric fire from taking place.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a circuit for an electrical safety detector, which eliminates the electrical fire hazard caused by electrical safety.
The technical scheme of the utility model is as follows:
the utility model provides a circuit for power consumption safety detector, includes that the model is STM32L152C8T 6's singlechip, wireless module, temperature detection module and detection circuitry, the singlechip with wireless module connects, the singlechip with temperature detection module connects, detection circuitry includes that the model is the sensor of TVOC, the singlechip with detection circuitry connects, the first pin of singlechip is connected with electric capacity C3, the fifth pin of singlechip is parallelly connected with electric capacity C1 and crystal oscillator X1, the sixth pin of singlechip is connected with electric capacity C2 and crystal oscillator X1, electric capacity C1, electric capacity C2 and electric capacity C3 parallelly connected ground connection, the twenty-second pin parallel connection of singlechip has resistance R1 and resistance R2, the twenty-fifth pin of singlechip is connected the fourth pin of wireless module, the twenty-sixth pin of singlechip is connected the twelfth pin of wireless module, a twenty-eighth pin of the single chip microcomputer is connected with a fourteenth pin of the wireless module, a twenty-ninth pin of the single chip microcomputer is connected with a fifth pin of the wireless module, a thirty-second pin of the single chip microcomputer is connected with a fifteenth pin of the wireless module, a tenth pin of the single chip microcomputer is connected with a sixth pin of the TVOC sensor, and an eleventh pin of the single chip microcomputer is connected with a fifth pin of the TVOC sensor.
The working principle of the technical scheme is as follows: this circuit adopts TVOC module detection circuitry, has used TVOC gas sensor among the TVOC module detection circuitry, consequently can effectual very early discovery conflagration to with STM32L152C8T6 singlechip control circuit, STM32L152C8T6 singlechip embeds AD converting circuit. For when the inside electrical joint of block terminal or cable have abnormal temperature to lead to TVOC concentration variation, after U1 internal program judgement, 28 th, 29 th, 30 th, 31 nd end output data signal control ann letter but wireless LORA emission module of wireless LORA module transmitting circuit of RA-01 by STM32L152C8T6 singlechip, send the signal to LORA receiving host computer module after the inside analysis of safe letter but wireless LORA module transmitting circuit, the LORA host computer shows current PPM value, exceed alarm threshold value, information such as display address position, alarm value. When the inside fire temperature that takes place of block terminal rose to 70 degrees, reach STM32L152C8T6 singlechip 22 nd foot by humiture sensor 2 nd foot output signal, after STM32L152C8T6 singlechip internal program is judged, by STM32L152C8T6 singlechip 28 th, 29, 30, 31 end output data signal control wireless LORA emission module, send the signal to LORA receiving host computer module after believing that the wireless LORA module of accessible RA-01 is inside to be analyzed, the LORA host computer shows current temperature value, exceed temperature alarm threshold and will show address orientation, information such as alarm value, be a fire early warning system in very early stage, can prevent effectively that electric fire from taking place. The control program referred to in the present invention can be implemented by those skilled in the art according to the same principle of the existing program, and this part is not the innovation of the present invention.
In a further technical scheme, the temperature detection module includes a digital temperature and humidity sensor with a model of AM2302, a first pin and a second pin of the sensor are connected with a twenty-second pin of the single chip microcomputer through a resistor R1 and a resistor R2, the first pin and the second pin of the sensor are connected through a resistor R1 and a resistor R2, a capacitor C4 and a capacitor C5 are connected between the resistor R1 and the resistor R2, an output end of the capacitor C4 is grounded, an output end of the capacitor C4 is connected with an input end of the capacitor C5, an output end of the capacitor C5 is connected with the resistor R2, and a fourth pin of the sensor is grounded.
In the technical scheme, the AM2302 digital temperature and humidity sensor outputs calibrated digital signals, the AM2302 digital temperature and humidity sensor is connected to a high-performance STM32L152C8T6 single chip microcomputer, the high reliability and the excellent long-term stability are achieved, meanwhile, the power consumption is low, the signal transmission distance is long, a host used in a temperature measuring circuit of a high-low voltage cabinet in the application sends a start signal once, after the STM32L152C8T6 single chip microcomputer receives the start signal, the AM2302 digital temperature and humidity sensor is switched from a low power consumption mode to a high-speed mode, after the host start signal is ended, signal end information is sent to the STM32L152C8T6 single chip microcomputer, the AM2302 digital temperature and humidity sensor sends response signals and sends data, signal acquisition is triggered at the moment, and if the time interval between two times of measurement is long in the process of using the AM2302 digital temperature and humidity sensor, the real-time temperature and humidity values need to be obtained continuously twice.
In a further technical scheme, the wireless module is in a Anxin type RA-01, a first pin of the wireless module is connected with a radio frequency coaxial connector COAX-F, a second pin of the wireless module is grounded, a third pin of the wireless module is connected with a capacitor C6 and a capacitor C7 in parallel, a fourth pin of the wireless module is connected with a twenty-fifth pin of the single chip microcomputer, a fifth pin of the wireless module is connected with a twenty-ninth pin of the single chip microcomputer, a ninth pin and a sixteenth pin of the wireless module are connected with the ground in parallel, a twelfth pin of the wireless module is connected with a twenty-sixth pin of the single chip microcomputer, a thirteenth pin of the wireless module is connected with a twenty-seventh pin of the single chip microcomputer, a fourteenth pin of the wireless module is connected with a twenty-eighth pin of the single chip microcomputer, a third pin of the wireless module is connected with a capacitor C6 and a capacitor C7 in parallel and is connected with the radio frequency coaxial connector And a ninth pin and a sixteenth pin of the wireless module are connected with the radio frequency coaxial connector COAX-F.
In this technical scheme, but ann believes RA-01 wireless module can furthest reduce current consumption, but ann believes RA-01 wireless module and STM32L152C8T6 singlechip are connected, under the prerequisite of anti-jamming and low-power consumption, the data signal of STM32L152C8T6 singlechip output sends the signal to LORA receiving host computer module after believing RA-01 wireless module is inside to be analyzed, the LORA host computer shows current temperature value, when exceeding the setting temperature alarm value, show address and temperature value, reach the early warning effect, prevent early electric fire.
The utility model has the beneficial effects that:
1. the fire disaster can be early warned in the very early stage, and the electric fire disaster can be effectively prevented;
2. when the temperature of an electric circuit and a joint odor VOC or the environment in the distribution box changes, the data are sent to the server platform through the LORA module after being judged by the single chip microcomputer, and the system platform displays electric fire alarm data information such as alarm address, type, direction and the like;
3. when the parameters of the monitoring device in the protected line exceed the alarm set value, an alarm and a control signal can be generated.
Drawings
Fig. 1 is a circuit diagram of an electrical safety detector according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, a circuit for an electricity safety detector, includes a single chip microcomputer, a wireless module, a temperature detection module and a detection circuit, the model of which is STM32L152C8T6, the single chip microcomputer is connected with the wireless module, the single chip microcomputer is connected with the temperature detection module, the detection circuit includes a sensor, the model of which is TVOC, the single chip microcomputer is connected with the detection circuit, a first pin of the single chip microcomputer is connected with a capacitor C3, a fifth pin of the single chip microcomputer is connected in parallel with a capacitor C1 and a crystal oscillator X1, a sixth pin of the single chip microcomputer is connected with a capacitor C2 and a crystal oscillator X1, a capacitor C1, a capacitor C2 and a capacitor C3 are connected in parallel with ground, a twenty-second pin of the single chip microcomputer is connected in parallel with a resistor R1 and a resistor R2, a twenty-fifth pin of the single chip microcomputer is connected with a fourth pin of the wireless module, a twenty-sixth pin of the single chip microcomputer is connected with a twelfth pin of the wireless module, a twenty-eighth pin of the single chip microcomputer is connected with a fourteenth pin of the wireless module, a twenty-ninth pin of the single chip microcomputer is connected with a fifth pin of the wireless module, a thirty-second pin of the single chip microcomputer is connected with a fifteenth pin of the wireless module, a tenth pin of the single chip microcomputer is connected with a sixth pin of the TVOC sensor, and an eleventh pin of the single chip microcomputer is connected with a fifth pin of the TVOC sensor.
The working principle of the embodiment is as follows: this circuit comprises TVOC module detection circuitry, temperature and humidity signal detection circuitry, LORA modular circuit and single chip microcomputer control circuit etc. and this circuit adopts TVOC module detection circuitry to with STM32L152C8T6 single chip microcomputer control circuit, STM32L152C8T6 singlechip embeds AD converting circuit. For when the inside electrical joint of block terminal or cable have abnormal temperature to lead to TVOC concentration variation, after U1 internal program judgement, 28 th, 29 th, 30 th, 31 nd end output data signal control ann letter but wireless LORA emission module of wireless LORA module transmitting circuit of RA-01 by STM32L152C8T6 singlechip, send the signal to LORA receiving host computer module after the inside analysis of safe letter but wireless LORA module transmitting circuit, the LORA host computer shows current PPM value, exceed alarm threshold value, information such as display address position, alarm value. When the inside fire temperature that takes place of block terminal rose to 70 degrees, reach STM32L152C8T6 singlechip 22 nd foot by humiture sensor 2 nd foot output signal, after STM32L152C8T6 singlechip internal program is judged, by STM32L152C8T6 singlechip 28 th, 29, 30, 31 end output data signal control wireless LORA emission module, send the signal to LORA receiving host computer module after believing that the wireless LORA module of accessible RA-01 is inside to be analyzed, the LORA host computer shows current temperature value, exceed temperature alarm threshold and will show address orientation, information such as alarm value, be a fire early warning system in very early stage, can prevent effectively that electric fire from taking place. The control program referred to in the present invention can be implemented by those skilled in the art according to the same principle of the existing program, and this part is not the innovation of the present invention.
In another embodiment, as shown in fig. 1, the temperature detection module includes a digital temperature and humidity sensor of type AM2302, a first pin and a second pin of the sensor are connected to a twenty-second pin of the single chip microcomputer through a resistor R1 and a resistor R2, the first pin and the second pin of the sensor are connected through a resistor R1 and a resistor R2, a capacitor C4 and a capacitor C5 are connected between the resistor R1 and the resistor R2, an output end of the capacitor C4 is grounded, an output end of the capacitor C4 is connected to an input end of the capacitor C5, an output end of the capacitor C5 is connected to the resistor R2, and a fourth pin of the sensor is grounded.
In this embodiment, the AM2302 digital temperature and humidity sensor outputs calibrated digital signals, the AM2302 digital temperature and humidity sensor is connected to a high-performance STM32L152C8T6 single chip microcomputer, and has extremely high reliability and excellent long-term stability, and simultaneously, the power consumption is very low, and the signal transmission distance is long.
In another embodiment, as shown in fig. 1, the wireless module is in a model of Anxin RA-01, a first pin of the wireless module is connected with a radio frequency coaxial connector COAX-F, a second pin of the wireless module is grounded, a third pin of the wireless module is connected with a capacitor C6 and a capacitor C7 in parallel, a fourth pin of the wireless module is connected with a twenty-fifth pin of the single chip microcomputer, a fifth pin of the wireless module is connected with a twenty-ninth pin of the single chip microcomputer, a ninth pin and a sixteenth pin of the wireless module are connected with ground in parallel, a twelfth pin of the wireless module is connected with a twenty-sixth pin of the single chip microcomputer, a thirteenth pin of the wireless module is connected with a twenty-seventh pin of the single chip microcomputer, a fourteenth pin of the wireless module is connected with a twenty-eighth pin of the single chip microcomputer, the third pin of the wireless module is connected with the capacitor C6 and the capacitor C7 in parallel and is connected with the radio frequency coaxial connector COAX-F, and the ninth pin and the sixteenth pin of the wireless module are connected with the radio frequency coaxial connector COAX-F.
In this embodiment, believe can RA-01 wireless module safely can furthest reduce current consumption, believe can RA-01 wireless module safely is connected with STM32L152C8T6 singlechip, under the prerequisite of anti-jamming and low-power consumption, the data signal of STM32L152C8T6 singlechip output sends the signal to LORA receiving host computer module after believing can RA-01 wireless module is inside to be analyzed, the LORA host computer shows current temperature value, when exceeding the setting temperature alarm value, show address and temperature value, reach the early warning effect, prevent early electric fire.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (3)
1. The utility model provides a circuit for power consumption safety detector, its characterized in that, including model STM32L152C8T 6's singlechip, wireless module, temperature detection module and detection circuitry, the singlechip with wireless module connects, the singlechip with temperature detection module connects, detection circuitry includes that the model is the sensor of TVOC, the singlechip with detection circuitry connects, the first pin of singlechip is connected with electric capacity C3, the fifth pin of singlechip is parallelly connected with electric capacity C1 and crystal oscillator X1, the sixth pin of singlechip is connected with electric capacity C2 and crystal oscillator X1, electric capacity C1, electric capacity C2 and electric capacity C3 are parallelly connected and ground connection, the twenty second pin parallel connection of singlechip has resistance R1 and resistance R2, the twenty fifth pin of singlechip is connected the fourth pin of wireless module, the twenty sixth pin of singlechip is connected the twelfth pin of wireless module, a twenty-eighth pin of the single chip microcomputer is connected with a fourteenth pin of the wireless module, a twenty-ninth pin of the single chip microcomputer is connected with a fifth pin of the wireless module, a thirty-second pin of the single chip microcomputer is connected with a fifteenth pin of the wireless module, a tenth pin of the single chip microcomputer is connected with a sixth pin of the TVOC sensor, and an eleventh pin of the single chip microcomputer is connected with a fifth pin of the TVOC sensor.
2. The circuit for the electric safety detector as claimed in claim 1, wherein the temperature detection module comprises a digital temperature and humidity sensor with a model number of AM2302, a first pin and a second pin of the sensor are connected with a twenty-second pin of the single chip microcomputer through a resistor R1 and a resistor R2, the first pin and the second pin of the sensor are connected through resistors R1 and R2, a capacitor C4 and a capacitor C5 are connected between the resistor R1 and the resistor R2, an output end of the capacitor C4 is grounded, an output end of the capacitor C4 is connected with an input end of the capacitor C5, an output end of the capacitor C5 is connected with the resistor R2, and a fourth pin of the sensor is grounded.
3. The circuit for the electric safety detector as claimed in claim 1, wherein the wireless module has a model number of Anxin RA-01, a first pin of the wireless module is connected with a radio frequency coaxial connector COAX-F, a second pin of the wireless module is connected with ground, a third pin of the wireless module is connected with a capacitor C6 and a capacitor C7 in parallel, a fourth pin of the wireless module is connected with a twenty-fifth pin of the single chip microcomputer, a fifth pin of the wireless module is connected with a twenty-ninth pin of the single chip microcomputer, a ninth pin and a sixteenth pin of the wireless module are connected with ground in parallel, a twelfth pin of the wireless module is connected with a twenty-sixth pin of the single chip microcomputer, a thirteenth pin of the wireless module is connected with a twenty-seventh pin of the single chip microcomputer, and a fourteenth pin of the wireless module is connected with a twenty-eighth pin of the single chip microcomputer, the third pin of the wireless module is connected with the capacitor C6 and the capacitor C7 in parallel and is connected with the radio frequency coaxial connector COAX-F, and the ninth pin and the sixteenth pin of the wireless module are connected with the radio frequency coaxial connector COAX-F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930681.7U CN215494594U (en) | 2021-04-30 | 2021-04-30 | Circuit for electricity safety detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930681.7U CN215494594U (en) | 2021-04-30 | 2021-04-30 | Circuit for electricity safety detector |
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| Publication Number | Publication Date |
|---|---|
| CN215494594U true CN215494594U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120930681.7U Active CN215494594U (en) | 2021-04-30 | 2021-04-30 | Circuit for electricity safety detector |
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| CN (1) | CN215494594U (en) |
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2021
- 2021-04-30 CN CN202120930681.7U patent/CN215494594U/en active Active
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