CN218442654U - Parking area carbon monoxide concentration processing apparatus that exceeds standard - Google Patents
Parking area carbon monoxide concentration processing apparatus that exceeds standard Download PDFInfo
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- CN218442654U CN218442654U CN202222644355.7U CN202222644355U CN218442654U CN 218442654 U CN218442654 U CN 218442654U CN 202222644355 U CN202222644355 U CN 202222644355U CN 218442654 U CN218442654 U CN 218442654U
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Abstract
The utility model relates to a parking lot carbon monoxide concentration standard exceeding processing device, which belongs to the field of carbon monoxide monitoring devices and comprises a singlechip control circuit, a carbon monoxide concentration detection circuit, a LoRa communication circuit, a 485 communication circuit, a LED display circuit, a power supply circuit, a switching value output circuit, a switching value input circuit, an alarm system and a ventilation system; the single chip microcomputer control circuit is electrically connected with the LoRa communication circuit, the 485 communication circuit, the LED display circuit, the alarm system, the carbon monoxide concentration detection circuit, the switching value input circuit and the switching value output circuit, and can achieve the function of alarming when the carbon monoxide concentration of the parking lot exceeds the standard and process the carbon monoxide in the parking lot.
Description
Technical Field
The utility model relates to a carbon monoxide monitoring device field especially relates to a parking area carbon monoxide concentration processing apparatus that exceeds standard.
Background
Along with the economic standard of living of people promotes gradually, the user who uses the car is increasing constantly, and the quantity in parking area also increases day by day, especially in relative confined places such as underground parking area or indoor parking area, and air mobility is poor, and poisonous gas such as carbon monoxide can be remained in the car business turn over in-process in the tail gas, and excessive poisonous gas can cause very big harm to people's health.
Therefore, for the relatively closed parking lot, a ventilation system is generally additionally arranged, so that excessive accumulation of toxic gases such as carbon monoxide is avoided, and the like, the parking lots can ventilate regularly, which increases uncertainty, and continuous ventilation can cause resource waste and reduce the service life of ventilation facilities. When the ventilation equipment cannot operate, carbon monoxide is a colorless and tasteless toxic gas, is not easy to be perceived, and is easy to cause harm to human bodies.
The above problems remain to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a parking area carbon monoxide concentration processing apparatus that exceeds standard to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the embodiment of the application discloses a carbon monoxide concentration overproof processing device for a parking lot, which comprises a singlechip control circuit, a carbon monoxide concentration detection circuit, a LoRa communication circuit, a 485 communication circuit, an LED display circuit, a power supply circuit, a switching value output circuit, a switching value input circuit, an alarm system and a ventilation system, and is characterized in that,
the single chip microcomputer control circuit is electrically connected with the LoRa communication circuit, the 485 communication circuit, the LED display circuit, the alarm system, the carbon monoxide concentration detection circuit, the switching value input circuit and the switching value output circuit;
the switching value output circuit is electrically connected with the alarm system, the ventilation system, the LED display circuit and the singlechip control circuit;
the power supply circuit comprises a 3.3V power supply and a 5V power supply, and is electrically connected with the single chip microcomputer control circuit, the carbon monoxide concentration detection circuit, the LoRa communication circuit, the 485 communication circuit, the LED display circuit, the switching value output circuit, the switching value input circuit and the alarm system.
Optionally, the switching value output circuit includes a single-pole double-throw relay K1, a single-pole double-throw relay K2, an NPN type triode Q4 and a plug J3, the single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively connected in parallel with a backward diode D9 and a backward diode D11, the single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively electrically connected to a 5V power source at one end, a collector of the NPN type triode Q2 is electrically connected to the other end of the single-pole double-throw relay K1, a collector of the NPN type triode Q4 is electrically connected to the other end of the single-pole double-throw relay K2, bases of the NPN type triode Q2 and the NPN type triode Q4 are connected to a single-chip control circuit, emitters of the NPN type triode Q2 and the NPN type triode Q4 are grounded, the single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively electrically connected to the plug J3, and the alarm system and the plug J3 can be electrically connected to the alarm system.
Optionally, switching value input circuit includes diode D14, diode D15, diode D16, optoelectronic coupling module U7, optoelectronic coupling module U8, optoelectronic coupling module U9 and plug J4, optoelectronic coupling module U7, optoelectronic coupling module U8 and optoelectronic coupling module U9 include emitting diode and phototriode respectively alone, diode D14, diode D15, diode D16 and emitting diode are supplied power by single output DC/DC power module U4, the phototriode is by 3.3V mains operated, the phototriode collecting electrode connects singlechip control circuit, phototriode emitter ground, diode D14, diode D15 and diode D16 are connected with plug J4 is electric, plug J4 can electrically connect alarm system and ventilation system.
Optionally, the LED display circuit includes an LED lamp D5, an LED lamp D6, an LED lamp D7, and an LED lamp D8, and the LED lamp D5, the LED lamp D6, the LED lamp D7, and the LED lamp D8 are respectively and individually electrically connected to a resistor and electrically connected to the single chip microcomputer control circuit; the LED lamp D5 is electrically connected with the carbon monoxide concentration detection circuit and used for indicating whether the carbon monoxide concentration detection circuit normally indicates; the LED lamp D6 is electrically connected with the single-pole double-throw relay K1 and used for indicating whether the LoRa communication circuit and the 485 communication circuit are in normal indication; the LED lamp D7 is electrically connected with the single-pole double-throw relay K2 and used for indicating whether a relay in the switching value output circuit enters a working state or not; the LED lamp D8 is electrically connected with the switching value output circuit and used for indicating whether a relay in the switching value output circuit enters a working state or not.
Optionally, the carbon monoxide concentration detection circuit includes a carbon monoxide sensor module U5 and an NPN-type triode Q1, wherein the carbon monoxide sensor module U5 is electrically connected to the 5V power supply module and the single chip microcomputer control circuit; the base electrode of the NPN type triode Q1 is electrically connected with the carbon monoxide sensor module U5, the emitting electrode of the NPN type triode Q1 is grounded, the collecting electrode of the NPN type triode Q1 is electrically connected with the single chip microcomputer control circuit, and the NPN type triode Q1 inputs a test signal to the single chip microcomputer control circuit to monitor whether the carbon monoxide sensor module works normally or not.
Optionally, the single chip microcomputer control circuit is electrically connected to a crystal oscillator circuit, the crystal oscillator circuit includes a crystal oscillator Y1, a capacitor C1 and a capacitor C2, the crystal oscillator Y1 is electrically connected to the capacitor C1 and the capacitor C2, and the crystal oscillator circuit is grounded.
Optionally, the 485 communication circuit includes a half-duplex RS-485 transceiver U10, a resistor R15, a resistor R16, a zener diode D12, a zener diode D13, a fuse F1, and a fuse F2, and is characterized in that the resistor R15 and the resistor R16 are electrically connected to a pin a and a pin B of the half-duplex RS-485 transceiver U10, respectively; the resistor R15 is grounded, the resistor R16 is electrically connected with a 3.3V power supply, the voltage stabilizing diode D12 and the voltage stabilizing diode D13 are respectively and electrically connected with an A pin and a B pin of the half-duplex RS-485 transceiver U10 and grounded, the fuse F1 and the fuse F2 are respectively and electrically connected with an A pin and a B pin outlet circuit of the half-duplex RS-485 transceiver U10, and the enhanced low-power-consumption half-duplex RS-485 transceiver U10 is connected with a single chip microcomputer control circuit.
The beneficial effects of the utility model reside in following at least one:
1. can report to the police promptly when carbon monoxide concentration detection circuitry detects the carbon monoxide concentration in parking area and remind when exceeding standard to relevant ventilation system can open, reduces the concentration of parking area carbon monoxide.
2. Carbon monoxide concentration information can be transmitted to the intelligent equipment end through LoRa communication circuit and 485 communication circuit respectively with wireless communication and wired communication's mode, and operating personnel can know the concentration information of carbon monoxide in real time.
Drawings
The invention is further explained below with reference to the drawings and examples:
fig. 1 is a block diagram of a circuit structure of the present invention;
fig. 2 is a circuit diagram of the DC/DC converter circuit of the present invention;
FIG. 3 is a circuit diagram of the regulator circuit of the present invention;
fig. 4 is a circuit diagram of the single output DC/DC power module U4 of the present invention;
fig. 5 is a circuit diagram of the 3.3V power supply and the 5V power supply of the present invention;
fig. 6 is a circuit diagram of the LED display circuit of the present invention;
fig. 7 is a circuit diagram of the single chip microcomputer control circuit of the present invention;
fig. 8 is a circuit diagram of the switching value output circuit of the present invention;
fig. 9 is a circuit diagram of the switching value input circuit of the present invention;
fig. 10 is a circuit diagram of the carbon monoxide concentration detection circuit of the present invention;
fig. 11 is a circuit diagram of the 485 communication circuit of the present invention.
In the figure: a single chip microcomputer control circuit 1; a power supply circuit 2; a switching value input circuit 3; a switching value output circuit 4; a carbon monoxide concentration detection circuit 5; a LoRa communication circuit 6; a 485 communication circuit 7; an LED display circuit 8; an alarm system 9; a ventilation system 10; the smart device 11.
Detailed Description
The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. 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.
Referring to fig. 1 and 5, the utility model provides a parking area carbon monoxide concentration processing apparatus that exceeds standard specifically includes single chip microcomputer control circuit 1, carbon monoxide concentration detection circuitry 5, loRa communication circuit 6, 485 communication circuit 7, LED display circuit 8, power supply circuit 2, switching value output circuit 4, switching value input circuit 3, alarm system 9 and ventilation system 10.
The single-chip microcomputer control circuit 1 is electrically connected with the LoRa communication circuit 6, the 485 communication circuit 7, the LED display circuit 8, the alarm system 9, the carbon monoxide concentration detection circuit 5, the switching value input circuit 3 and the switching value output circuit 4 through different pins.
And the switching value output circuit 4 is electrically connected with the alarm system 9, the ventilation system 10, the LED display circuit 8 and the singlechip control circuit 1.
The power supply circuit 2 comprises a 3.3V power supply and a 5V power supply, and the power supply circuit 2 is electrically connected with the singlechip control circuit 1, the carbon monoxide concentration detection circuit 5, the LoRa communication circuit 6, the 485 communication circuit 7, the LED display circuit 8, the switching value output circuit 4, the switching value input circuit 3 and the alarm system 9.
The communication mode of the device comprises LoRa communication and 485 communication modes, the 485 communication mode is a wired communication mode, the information of the concentration of carbon monoxide in the parking lot, which is detected by the carbon monoxide concentration detection circuit 5, can be transmitted to the 485 communication circuit 7 through the single chip microcomputer control circuit 1, and finally the information is transmitted to the intelligent device 11 of the information receiving end, besides, when the single chip microcomputer control circuit 1 judges that the concentration information of the carbon monoxide transmitted by the carbon monoxide detection circuit exceeds a threshold value, besides controlling the alarm system 9, the information exceeding the threshold value can also be transmitted to the 485 communication circuit 7, and finally the information is transmitted to the intelligent device 11 of the information receiving end. The LoRa communication mode is a wireless communication mode, and when the single chip microcomputer provides information to the LoRa communication circuit 6 in the networking situation, the related data information of the carbon monoxide is transmitted to the intelligent device 11 at the information receiving end in the wireless communication mode.
Referring to fig. 1 to 5, the power supply circuit 2 further includes a DC/DC converter circuit, a regulator circuit, and a single output DC/DC power module U4. The DC/DC converter circuit is electrically connected with the 485 communication circuit 7, the single-output DC/DC power supply module is electrically connected with the switching value input circuit 3, the voltage stabilizer circuit is electrically connected with the 3.3V power supply and the 5V power supply, and the output end of the DC/DC converter circuit supplies power to the 485 communication circuit 7. In addition, the switching value input circuit 3 is supplied with power from a single-output DC/DC power supply module. The voltage stabilizer circuit can keep the output voltage basically unchanged when the input power grid voltage fluctuates or the load changes, and can effectively maintain the voltage output to be stable.
Referring to fig. 7 and 8, the switching value output circuit 4 includes a single-pole double-throw relay K1, a single-pole double-throw relay K2, an NPN transistor Q4, and a plug J3. The single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively connected with a backward diode D9 and a backward diode D11 in parallel, so that the relays can be protected, and the relays are prevented from being broken down by reverse electromotive force. The single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively and electrically connected with a 5V power supply at one end. And the collector of the NPN type triode Q2 is electrically connected with the other end of the single-pole double-throw relay K1, and the collector of the NPN type triode Q4 is electrically connected with the other end of the single-pole double-throw relay K2. Bases of the NPN type triode Q2 and the NPN type triode Q4 are connected with the singlechip control circuit 1, emitting electrodes of the NPN type triode Q2 and the NPN type triode Q4 are grounded, the single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively and electrically connected with a plug J3, and the plug J3 can be electrically connected with an alarm system 9 and a ventilation system 10. When the single chip microcomputer control circuit 1 judges that the signal transmitted from the carbon monoxide concentration detection circuit 5 exceeds the threshold value, it transmits a control signal to the switching value output circuit 4. The control signal is amplified by the NPN type triode Q2 and the NPN type triode Q4 and is transmitted to the single-pole double-throw relay K1 and the single-pole double-throw relay K2, the single-pole double-throw relay is closed and forms a conducting loop with the plug J3 respectively, and the alarm system 9 and the ventilation system 10 which are electrically connected with the plug J3 can act.
Referring to fig. 7 and 9, the switching value input circuit 3 includes a diode D14, a diode D15, a diode D16, a photoelectric coupling module U7, a photoelectric coupling module U8, a photoelectric coupling module U9, and a plug J4, the photoelectric coupling module U7, the photoelectric coupling module U8, and the photoelectric coupling module U9 respectively and individually include a light emitting diode and a phototransistor, the diode D14, the diode D15, the diode D16, and the light emitting diode are powered by the single output DC/DC power module U4, the phototransistor is powered by a 3.3V power supply, one end of the phototransistor is connected to the monolithic computer control circuit 1, an emitter of the phototransistor is grounded, the diode D14, the diode D15, and the diode D16 are electrically connected to the plug J4, and the plug J4 can electrically connect the alarm system 9 and the ventilation system 10. The plug J4 of the switching value input circuit 3 is also connected with the alarm system 9 and the ventilation system 10, the switching states of the alarm system 9 and the ventilation system 10 can be detected, the switching state signals are converted into digital signals which can be received by the single chip microcomputer, and the single chip microcomputer judges whether the alarm system 9 and the ventilation system 10 are normally started or not.
Referring to fig. 6, the LED display circuit 8 includes an LED lamp D5, an LED lamp D6, an LED lamp D7, and an LED lamp D8, and the LED lamp D5, the LED lamp D6, the LED lamp D7, and the LED lamp D8 are respectively and individually electrically connected to a resistor. The LED lamp D5 is electrically connected with the carbon monoxide concentration detection circuit 5 and used for indicating whether the carbon monoxide concentration detection circuit 5 normally indicates, and when the carbon monoxide concentration detection circuit 5 does not normally indicate, the single chip microcomputer control circuit 1 transmits a command to the LED lamp D5 to start to light. LED lamp D6 is connected with single-pole double-throw relay K1 electricity, is used for expressing whether normal instruction is instructed to LoRa communication circuit and 485 communication circuit, and when communication module did not normally instruct, singlechip control circuit 1 carried the order to LED lamp D6 and begins to shine. The LED lamp D7 is electrically connected with the single-pole double-throw relay K2 and used for indicating whether the relay in the switching value output circuit 3 enters a working state or not, and when the relay in the switching value output circuit 3 does not enter the working state, the single chip microcomputer control circuit 1 transmits a command to the LED lamp D7 and starts to light. The LED lamp D8 is electrically connected to the switching value output circuit 4, and is used to indicate whether a relay in the switching value output circuit 4 enters a working state. When the relay in the switching value output circuit 4 does not enter the working state, the singlechip control circuit 1 transmits a command to the LED lamp D8 to start to light.
Referring to fig. 10, the carbon monoxide concentration detecting circuit 5 includes a carbon monoxide sensor module U5 and an NPN transistor Q1. Carbon monoxide sensor module U5 specifically adopts ZE15-CO carbon monoxide module, carbon monoxide sensor module U5 is connected with 5V power module and single chip microcomputer control circuit 1 electricity. And the base electrode of the NPN type triode Q1 is electrically connected with the carbon monoxide sensor module U5, the emitting electrode is grounded, and the collecting electrode is electrically connected with the singlechip control circuit 1. The NPN type triode Q1 inputs a test signal to the single chip microcomputer control circuit 1 to monitor whether the carbon monoxide sensor module works normally or not, the carbon monoxide module can monitor the concentration condition of carbon monoxide in the parking lot in real time and uploads the carbon monoxide to the single chip microcomputer control circuit 1 in a timed mode, and the single chip microcomputer control circuit 1 judges the uploaded carbon monoxide concentration information. When the carbon monoxide concentration information exceeds the set threshold, a command is sent to other modules, and if the carbon monoxide concentration information does not exceed the threshold, the command is not sent, and the concentration information uploaded by the carbon monoxide module at the next time is continuously received.
Referring to fig. 7, the single chip microcomputer control circuit 1 is electrically connected to a crystal oscillator circuit, which includes a crystal oscillator Y1, a capacitor C1 and a capacitor C2. The crystal oscillator Y1 is electrically connected with the capacitor C1 and the capacitor C2, and the crystal oscillator circuit is grounded. The crystal oscillator circuit can provide basic clock signals for the single chip microcomputer, and all parts can be kept synchronous conveniently.
Referring to fig. 11, the 485 communication circuit 7 includes a half-duplex RS-485 transceiver U10, a resistor R15, a resistor R16, a zener diode D12, a zener diode D13, a fuse F1, and a fuse F2. The circuit is characterized in that the resistor R15 and the resistor R16 are respectively and electrically connected with a pin A and a pin B of the half-duplex RS-485 transceiver U10. The resistor R15 is grounded, the resistor R16 is electrically connected with a 3.3V power supply, and the voltage stabilizing diode D12 and the voltage stabilizing diode D13 are respectively electrically connected with an A pin and a B pin of the half-duplex RS-485 transceiver U10 and grounded. The fuse F1 and the fuse F2 are respectively electrically connected with an A pin and a B pin outlet circuit of the half-duplex RS-485 transceiver U10, the enhanced low-power-consumption half-duplex RS-485 transceiver U10 is connected with the single chip microcomputer control circuit 1, when the single chip microcomputer control circuit 1 receives data information provided by the carbon monoxide concentration detection circuit 5, the data information is transmitted to the 485 communication circuit 7 again, and the data information is transmitted to the intelligent equipment 11 in a wired communication mode.
In some places with larger parking lot space positions, carbon monoxide sensor modules are generally arranged at each corner of the parking lot, the modules are connected with each other through circuits and are connected with the single chip microcomputer control circuit 1, the carbon monoxide concentration of the parking lot is detected in real time, the detected data are transmitted to the single chip microcomputer control circuit 1, and the data are judged through the single chip microcomputer control circuit 1. When the data exceeds the set threshold value, a command is transmitted to the switching value input module, the relay of the switching value input circuit 3 controls the ventilation system 10 and the alarm system 9 arranged in the parking lot, so that the parking lot is in an air circulation state, and meanwhile, the alarm system 9 starts to operate to remind people in the parking lot to evacuate in time. The switching value output circuit 4 is also connected to the ventilation system 10 and the alarm system 9, the switching states of the ventilation system 10 and the alarm system 9 are detected, and the information is converted into a digital signal which can be received by the single chip microcomputer and is used for judging whether the ventilation system 10 and the alarm system 9 are started normally. The single chip microcomputer control circuit 1 can transmit commands to the LoRa communication circuit 6 and the 485 communication circuit 7, and real-time information of the parking lot can be transmitted to a receiving end of the intelligent device 11 in a wired mode and a wireless mode. When the concentration of the carbon monoxide in the parking lot is reduced to a set threshold value, the single chip microcomputer control circuit 1 sends a control command to the switching value output circuit 4 again, the switching value output circuit 4 controls the alarm system 9 and the ventilation system 10, the alarm system 9 in the parking lot stops giving an alarm, the ventilation system stops working, and the carbon monoxide sensor module continues to monitor the concentration of the carbon monoxide in the parking lot in real time.
In the above embodiments, the apparatus elements are all conventional apparatus elements unless otherwise specified, and the connection and control manners are all conventional connection and control manners unless otherwise specified.
While the present invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various changes can be made in the specific parameters of the embodiments without departing from the spirit of the present invention, and that various specific embodiments can be made, which are common variations of the present invention and will not be described in detail herein.
Claims (7)
1. A carbon monoxide concentration standard exceeding processing device for a parking lot comprises a singlechip control circuit, a carbon monoxide concentration detection circuit, a LoRa communication circuit, a 485 communication circuit, an LED display circuit, a power supply circuit, a switching value output circuit, a switching value input circuit, an alarm system and a ventilation system, and is characterized in that,
the single chip microcomputer control circuit is electrically connected with the LoRa communication circuit, the 485 communication circuit, the LED display circuit, the alarm system, the carbon monoxide concentration detection circuit, the switching value input circuit and the switching value output circuit;
the switching value output circuit is electrically connected with the alarm system, the ventilation system, the LED display circuit and the singlechip control circuit;
the power supply circuit comprises a 3.3V power supply and a 5V power supply, and is electrically connected with the single chip microcomputer control circuit, the carbon monoxide concentration detection circuit, the LoRa communication circuit, the 485 communication circuit, the LED display circuit, the switching value output circuit, the switching value input circuit and the alarm system.
2. The device for processing the carbon monoxide concentration exceeding in the parking lot according to claim 1, wherein the switching value output circuit comprises a single-pole double-throw relay K1, a single-pole double-throw relay K2, an NPN-type triode Q4 and a plug J3, the single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively connected with a backward diode D9 and a backward diode D11 in parallel, the single-pole double-throw relay K1 and the single-pole double-throw relay K2 are respectively connected with a 5V power supply at one end, a collector of the NPN-type triode Q2 is electrically connected with the other end of the single-pole double-throw relay K1, a collector of the NPN-type triode Q4 is electrically connected with the other end of the single-pole double-throw relay K2, bases of the NPN-type triode Q2 and the NPN-type triode Q4 are connected with a single chip microcomputer control circuit, emitters of the NPN-pole double-throw relay Q2 and the NPN-pole triode Q4 are grounded, the single-pole double-pole relay K1 and the single-pole double-throw relay K2 are respectively electrically connected with the plug J3, and the alarm system and the plug J3 can be electrically connected with the ventilation system.
3. The carbon monoxide concentration overproof processing device for the parking lot according to claim 1, wherein the switching value input circuit comprises a diode D14, a diode D15, a diode D16, a photoelectric coupling module U7, a photoelectric coupling module U8, a photoelectric coupling module U9 and a plug J4, the photoelectric coupling module U7, the photoelectric coupling module U8 and the photoelectric coupling module U9 respectively and independently comprise a light emitting diode and a phototriode, the diode D14, the diode D15, the diode D16 and the light emitting diode are powered by a single-output DC/DC power supply module U4, the phototriode is powered by a 3.3V power supply, a collector electrode of the phototriode is connected with a singlechip control circuit, an emitter electrode of the phototriode is grounded, the diode D14, the diode D15 and the diode D16 are electrically connected with the plug J4, and the plug J4 can be electrically connected with an alarm system and a ventilation system.
4. The carbon monoxide concentration overproof processing device for the parking lot according to claim 1, wherein the LED display circuit comprises an LED lamp D5, an LED lamp D6, an LED lamp D7 and an LED lamp D8, the LED lamp D5, the LED lamp D6, the LED lamp D7 and the LED lamp D8 are respectively and independently electrically connected with a resistor and are electrically connected with the single chip microcomputer control circuit; the LED lamp D5 is electrically connected with the carbon monoxide concentration detection circuit and used for indicating whether the carbon monoxide concentration detection circuit is in normal indication; the LED lamp D6 is electrically connected with the single-pole double-throw relay K1 and used for indicating whether the LoRa communication circuit and the 485 communication circuit are in normal indication; the LED lamp D7 is electrically connected with the single-pole double-throw relay K2 and used for indicating whether a relay in the switching value output circuit enters a working state or not; the LED lamp D8 is electrically connected with the switching value output circuit and used for indicating whether a relay in the switching value output circuit enters a working state or not.
5. The carbon monoxide concentration overproof processing device for the parking lot according to claim 1, wherein the carbon monoxide concentration detection circuit comprises a carbon monoxide sensor module U5 and an NPN type triode Q1, wherein the carbon monoxide sensor module U5 is electrically connected with a 5V power supply module and a singlechip control circuit; the base electrode of the NPN type triode Q1 is electrically connected with the carbon monoxide sensor module U5, the emitting electrode of the NPN type triode Q1 is grounded, the collecting electrode of the NPN type triode Q1 is electrically connected with the single chip microcomputer control circuit, and the NPN type triode Q1 inputs a test signal to the single chip microcomputer control circuit to monitor whether the carbon monoxide sensor module works normally or not.
6. The carbon monoxide concentration overproof processing device for the parking lot as claimed in claim 1, wherein the single chip microcomputer control circuit is electrically connected with a crystal oscillator circuit, the crystal oscillator circuit comprises a crystal oscillator Y1, a capacitor C1 and a capacitor C2, the crystal oscillator Y1 is electrically connected with the capacitor C1 and the capacitor C2, and the crystal oscillator circuit is grounded.
7. The carbon monoxide overproof processing device for the parking lot according to claim 1, wherein the 485 communication circuit comprises a half-duplex RS-485 transceiver U10, a resistor R15, a resistor R16, a voltage stabilizing diode D12, a voltage stabilizing diode D13, a fuse F1 and a fuse F2, and is characterized in that the resistor R15 and the resistor R16 are respectively and electrically connected with an A pin and a B pin of the half-duplex RS-485 transceiver U10; the resistor R15 is grounded, the resistor R16 is electrically connected with a 3.3V power supply, the voltage stabilizing diode D12 and the voltage stabilizing diode D13 are respectively and electrically connected with a pin A and a pin B of the half-duplex RS-485 transceiver U10 and grounded, the fuse F1 and the fuse F2 are respectively and electrically connected with an outlet circuit of the pin A and the pin B of the half-duplex RS-485 transceiver U10, and the half-duplex RS-485 transceiver U10 is electrically connected with the singlechip control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222644355.7U CN218442654U (en) | 2022-10-09 | 2022-10-09 | Parking area carbon monoxide concentration processing apparatus that exceeds standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222644355.7U CN218442654U (en) | 2022-10-09 | 2022-10-09 | Parking area carbon monoxide concentration processing apparatus that exceeds standard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218442654U true CN218442654U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222644355.7U Active CN218442654U (en) | 2022-10-09 | 2022-10-09 | Parking area carbon monoxide concentration processing apparatus that exceeds standard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218442654U (en) |
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2022
- 2022-10-09 CN CN202222644355.7U patent/CN218442654U/en active Active
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