CN220305661U - Smoke generator control circuit - Google Patents
Smoke generator control circuit Download PDFInfo
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- CN220305661U CN220305661U CN202321900597.6U CN202321900597U CN220305661U CN 220305661 U CN220305661 U CN 220305661U CN 202321900597 U CN202321900597 U CN 202321900597U CN 220305661 U CN220305661 U CN 220305661U
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- 239000004509 smoke generator Substances 0.000 title claims abstract description 18
- 239000000779 smoke Substances 0.000 claims abstract description 76
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 16
- 239000010721 machine oil Substances 0.000 claims description 7
- 239000010705 motor oil Substances 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 4
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000000443 aerosol Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Electrostatic Spraying Apparatus (AREA)
Abstract
The utility model discloses a smoke generator control circuit, which comprises a main control board and a 220V alternating current controller; the main control board comprises an MCU controller, an alternating current voltage reduction module and a network communication module, wherein the alternating current voltage reduction module supplies power for the MCU controller and the 220V alternating current controller; the network communication module receives a smoke spraying instruction from a far end of a network; the MCU controller outputs a smoke trigger signal according to the smoke spraying instruction, and controls the working state of a booster pump of the smoke machine through the 220V alternating current controller to realize smoke spraying and stopping; the 220V alternating current controller is connected between the main control board and the power supply interface of the smoke machine, and the working state signal of the heater of the smoke machine is an input trigger signal of the 220V alternating current controller. The remote control system realizes communication with a remote end through the network communication module of the main control board, and realizes field control of the smoke machine through the driving trigger module under the control signal of the MCU controller.
Description
Technical Field
The utility model relates to the technical field of smoke generators, in particular to a smoke generator control circuit.
Background
The smoke generator is a special smoke bullet for fire-fighting exercises, and can also be used for manufacturing stage smoke effect, detecting whether sealed containers such as boilers are leaked or not and whether air is circulated or not; the method can also be widely applied to the fields of industry, agriculture and the like, such as distress on sea, aviation flight performance, manufacturing of a smoke generator for bank robbery prevention, field game countermeasure and the like. In addition, in clean factories, verification of room airflow direction by smoke emitted from smoke generators is also widely used.
An aerosol generating device as disclosed in chinese patent publication No. CN213912343U comprises a heater, an oil inlet passage, an accumulator, a gear pump, a pressure sensor, and a control circuit. The smoke generating device utilizes the gear pump to convey smoke oil for the oil inlet channel, and the gear pump has the characteristics of large flow and high upper limit of output pressure, so that the smoke can ensure enough smoke oil supply in the process of spraying. And the control circuit controls the output pressure and the output flow of the gear pump according to the pressure information of the fluid in the oil inlet channel detected by the pressure sensor, and the control circuit is matched with the energy accumulator to maintain the hydraulic pressure in the oil inlet channel, so that the smoke injection quantity is stable.
However, most of the existing smoke generators are manually started on site and then intermittently spray smoke, the power supply is manually turned off when the smoke is not needed, and some potential safety hazards exist when the smoke generators are manually started and stopped on site, so that remote control is needed.
Disclosure of Invention
The utility model provides a smoke generator control circuit which is used for realizing remote control of a smoke generator.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a smoke generator control circuit comprises a main control board and a 220V alternating current controller;
the main control board comprises an MCU controller, an alternating current voltage reduction module and a network communication module, wherein the alternating current voltage reduction module is connected with a 220V alternating current power supply and converts 220V alternating current into direct current in a voltage reduction mode to supply power for the MCU controller and the 220V alternating current controller; the network communication module is connected with the network far end through a network port and is used for receiving a smoke spraying instruction from the network far end; the MCU controller outputs a smoke trigger signal according to the smoke spraying instruction, and controls the working state of a booster pump of the smoke machine through the 220V alternating current controller to realize smoke spraying and stopping;
the 220V alternating current controller is connected between the main control board and the power supply interface of the smoke machine, and the working state signal of the heater of the smoke machine is an input trigger signal of the 220V alternating current controller.
Further, the smoke machine oil tank oil quantity detecting device also comprises a liquid level sensor for detecting the smoke machine oil tank oil quantity, and a detection signal of the liquid level sensor is fed back to the MCU controller.
Further, the liquid level sensor is a non-contact sensor, and is arranged on the outer wall of the smoke engine oil tank.
Further, the alternating current voltage reduction module comprises an alternating circuit and a secondary voltage reduction circuit.
Further, the 220V alternating current controller comprises a power-on feedback circuit and a booster pump driving circuit.
Further, the MCU controller is composed of an 8051 series single chip microcomputer and a peripheral circuit.
Further, the liquid level sensor adopts a capacitive sensor which is arranged at the position of a low liquid level trigger line of the smoke engine oil tank, and two output ends of the capacitive sensor are respectively connected with a first pin and a second pin of the singlechip after passing through resistors.
Further, the network communication module is provided with an RJ45 Ethernet interface, and the RJ45 Ethernet interface is connected to an upper computer at a far end of the network through a network.
Compared with the prior art, the remote control system realizes communication with a remote end through the network communication module of the main control board, and realizes field control of the smoke machine through the 220V alternating current controller under the control signal of the MCU controller.
Drawings
Fig. 1 is a control flow of a smoke machine according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of an alternating circuit in an embodiment of the utility model.
Fig. 3 is a schematic diagram of a secondary step-down circuit according to an embodiment of the utility model.
Fig. 4 is a schematic circuit diagram of a 220V ac controller according to an embodiment of the present utility model.
Fig. 5 is a schematic circuit diagram of an MCU controller according to an embodiment of the present utility model.
FIG. 6 is a schematic diagram of a reference voltage circuit in an embodiment of the utility model.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
A control circuit of a smoke generator comprises a main control board, a 220V alternating current controller, a matched power line, a matched control line, a matched network line and the like. The solution is based on a smoke machine with the control flow shown in fig. 1.
The main control board comprises an MCU controller, an alternating current voltage reduction module and a network communication module, wherein the alternating current voltage reduction module is connected with a 220V alternating current power supply and converts 220V alternating current into direct current in a voltage reduction mode to supply power for the MCU controller and the 220V alternating current controller; the main control board is powered by 220V alternating current (power is 10W), the smoke machine is powered by 220V alternating current (power is 400W/1.81A), and the 220V alternating current controller and the liquid level sensor are directly powered by the main control board.
The network communication module is connected with the network far end through a network port and is used for receiving a smoke spraying instruction from the network far end; the control end of the main control board is Ethernet (RJ 45 interface) and supports TCP/IP service/client and UDP service/client modes. Parameters such as network mode, device name, device IP, subnet mask, gateway, DHCP, port number and the like can be set by a network configuration tool in a self-defining way, and the parameters need to be set in cooperation with an upper computer control system.
And the MCU controller outputs a smoke trigger signal according to the smoke spraying instruction, and controls the working state of a booster pump of the smoke machine through the 220V alternating current controller to realize smoke spraying and stopping. The specific process is as follows: the alternating current controller only controls the input power of the smoke machine, the initial state of the smoke machine is power off after the smoke machine is electrified, and the smoke machine is preheated from room temperature to a standby state. Sending a power-on instruction to perform power-on operation on the smoke machine; and sending a power-down instruction to perform power-down operation on the smoke machine.
The 220V alternating current controller is connected between the main control board and the power supply interface of the smoke machine, and the working state signal of the heater of the smoke machine is an input trigger signal of the 220V alternating current controller. The heater of the aerosol sprayer can spray the aerosol after heating to the standby temperature, the temperature of the heater can be reduced during spraying, the spraying is automatically stopped when the temperature is reduced to the heating temperature, and the aerosol sprayer enters a heating state. Meanwhile, even if the injection is not performed, the heater temperature naturally gradually decreases.
The aerosol-generating device heater cannot perform the spraying operation when in the heating state. The motor of the aerosol sprayer booster pump does not need to continuously work, the longest continuous spraying time can be set for protection, and when the heater is in a standby state, an injection starting instruction is sent for injection operation; the injection stop instruction is sent to terminate the injection operation. The longer the injection time, the faster the heater cools, which accelerates the cooling of the heater temperature during injection.
Further, the smoke machine oil tank oil level detection device also comprises a liquid level sensor for detecting the smoke machine oil tank oil level, a detection signal of the liquid level sensor is fed back to the MCU controller, and when the liquid level sensor detects that the oil level is too low, the MCU controller sends out a down electric signal and can transmit the information to the remote upper computer.
Further, the liquid level sensor is a non-contact sensor, and is arranged on the outer wall of the smoke engine oil tank, so that the smoke engine oil is prevented from being directly contacted.
Further, the alternating current voltage reduction module comprises an alternating circuit and a secondary voltage reduction circuit;
as shown in fig. 2, the alternating circuit comprises a power supply module U4 with a model number of HLK-10M series, wherein the input end of the power supply module U4 is connected with the 220V alternating current power supply through a common mode inductance filter L1, a voltage stabilizing capacitor CX1, an adjustable resistor MOV1 and a fuse FU1 in sequence; a seventh capacitor C7 is connected between the two output ends of the power supply module U4, the seventh capacitor C7 is connected in parallel with a third polar capacitor E3, the negative electrode of the third polar capacitor E3 is grounded, and the positive electrode of the third polar capacitor E3 is used as a 12V direct-current voltage source end after passing through a first radio-frequency resistor RF 1;
as shown in fig. 3, the secondary step-down circuit includes a voltage regulator V1 with a model of CJ7805-1.5A, a second schottky diode D2 with a model of B5817WS is connected between an input end and an output end of the voltage regulator V1, an input end of the voltage regulator V1 is connected with the 12V dc voltage source end, and a tenth polar capacitor E10, a fifty-third capacitor C53, a fourth polar capacitor E4, a sixteenth capacitor C16 and an eighth capacitor C8 connected in parallel are connected between the input end and the ground end; the output end of the voltage stabilizer V1 is a VCC direct-current voltage source end, and the VCC direct-current voltage source end is in power supply connection with the MCU controller and the driving trigger module.
Further, the 220V alternating current controller comprises a power-on feedback circuit and a booster pump driving circuit;
as shown in fig. 4, the power-on feedback circuit includes a rectifier bridge U1 and a second optocoupler U2 with a model K10104CTLD, two opposite ends of the rectifier bridge U1 are connected with a power interface of the smoke machine, the other two opposite ends of the rectifier bridge U1 are connected with a first pin and a second pin of the second optocoupler U2 correspondingly, a plurality of capacitors, polar capacitors, unidirectional diodes, voltage stabilizing diodes and resistors connected in parallel are connected between the first pin and the second pin of the second optocoupler U2, and the second pin of the second optocoupler U2 is grounded; the fourth pin of the second optocoupler U2 is connected with the VCC direct-current voltage source end through a fifth resistor R5 and is correspondingly connected with two control ends of the MCU controller through a sixth resistor R6 and a twentieth resistor R20 respectively, and the third pin of the second optocoupler U2 is grounded and is connected with the fourth pin through a fourth capacitor C4;
the booster pump driving circuit comprises a relay switch JK1 and a third optocoupler U3 with the model of K10104CTLD, wherein the switch of the relay switch JK1 controls the on-off of the booster pump, one end of an induction coil of the relay switch JK1 is connected with a fourth pipe pin of the third optocoupler U3, and the fourth pipe pin of the third optocoupler U3 is grounded through a fifth capacitor C5; a twelfth capacitor C12 is connected between a third pin and a fourth pin of the third optocoupler U3, the third pin of the third optocoupler U3 is also connected with the other end of the induction coil sequentially through a seventh resistor R7 and a fifteenth resistor R15, the connection end of the seventh resistor R7 and the fifteenth resistor R15 is connected with a base electrode of a triode Q1, a collector electrode of the triode Q1 is connected with the other end of the fifteenth resistor R15, an emitter electrode of the triode Q1 is grounded, and a diode D1 is further connected between the collector electrode of the triode Q1 and the fourth pin of the third optocoupler U3 in a forward direction; the first pin of the third optocoupler U3 is grounded through a thirteenth capacitor C13, the thirteenth capacitor C13 is connected with the VCC direct current voltage source end through an eighth resistor R8, the second pin of the third optocoupler U3 is connected with a control end of the MCU controller through a ninth resistor R9, and a sixteenth resistor R16 and a sixth capacitor C6 which are connected in parallel are further connected between the first pin and the second pin of the third optocoupler U3.
Further, the MCU controller is composed of an 8051 series of single-chip microcomputer U5 and peripheral circuits, as shown in fig. 5. The twentieth pin and the fortieth third pin of the singlechip U5 are correspondingly connected with the sixth resistor R6 and the twentieth resistor R20; a twenty-sixth pin of the singlechip U5 is connected with the ninth resistor R9; and a twenty-second pipe foot of the singlechip U5 controls the power-on and power-off state of the booster pump. The JP1-CON terminal is three control ends of 220V/1A alternating current, and the power-on feedback circuit feeds back the working state of a heater of the smoke machine to the singlechip U5, namely the on-off state of the heater, and the heater cannot spray when in a heating state. The JP-VDRS terminal detects the working state of the heater, when the heater is in a power-off state and the temperature reaches an injection value, the relay switch JK1 is closed, and the smoke injection is realized when the twenty-second pipe foot of the singlechip U5 controls the booster pump to inject. When the temperature of the heater is reduced in the spraying process and cannot meet the spraying requirement temperature, the relay switch JK1 is turned off, and the booster pump is powered off to stop working, so that the spraying of the smoke sprayer is stopped.
The peripheral circuit includes pin interface circuits, such as a reference voltage circuit shown in fig. 6 for providing a reference voltage for the single chip U5. The other components are U5-P0.0, U5-P0.1, U5-P0.2, U5-P0.3, U5-P0.5 and U5-P3.6 are reserved function ends, U5-P0.4 smoke machine oil level sensor signal ends, U5-P0.7 user indication lamp ends, U5-P0.6 are used as analog function AD ends, U5-P3.4 is a 220VAC power supply control end of the smoke machine, U5-P4.1 is a booster pump control end and the like, and the smoke machine is configured according to the requirements.
Further, the liquid level sensor adopts a capacitive sensor which is arranged at the position of a low liquid level trigger line of the smoke engine oil tank, and two output ends of the capacitive sensor are respectively connected with a first pin and a second pin of the single chip microcomputer U5 after passing through resistors. The smoke oil level sensor is attached to the surface of the smoke oil tank in a non-contact mode. The liquid level sensor is placed at the position of LOW liquid Level (LOW) of the liquid level of the smog oil pot, the sensor protective cover is opened to conduct sensing sensitivity fine adjustment (potentiometer), the indication lamp is in a lighting state of detecting liquid, and the indication lamp is in a non-detecting state.
Further, the network communication module is provided with an RJ45 Ethernet interface, and the RJ45 Ethernet interface is connected to an upper computer at a far end of the network through a network.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (8)
1. A smoke generator control circuit, characterized by: comprises a main control board and a 220V alternating current controller,
the main control board comprises an MCU controller, an alternating current voltage reduction module and a network communication module, wherein the alternating current voltage reduction module is connected with a 220V alternating current power supply and converts 220V alternating current into direct current in a voltage reduction mode to supply power for the MCU controller and the 220V alternating current controller; the network communication module is connected with the network far end through a network port and is used for receiving a smoke spraying instruction from the network far end; the MCU controller outputs a smoke trigger signal according to the smoke spraying instruction, and controls the working state of a booster pump of the smoke machine through the 220V alternating current controller to realize smoke spraying and stopping;
the 220V alternating current controller is connected between the main control board and the power supply interface of the smoke machine, and the working state signal of the heater of the smoke machine is an input trigger signal of the 220V alternating current controller.
2. The smoke generator control circuit of claim 1 wherein: the smoke machine oil tank oil quantity detection device is characterized by further comprising a liquid level sensor for detecting the smoke machine oil tank oil quantity, and detection signals of the liquid level sensor are fed back to the MCU controller.
3. The smoke generator control circuit of claim 2 wherein: the liquid level sensor is a non-contact sensor and is arranged on the outer wall of the smoke engine oil tank.
4. The smoke generator control circuit of claim 1 wherein: the alternating current voltage reduction module comprises an alternating circuit and a secondary voltage reduction circuit;
the alternating circuit comprises a power supply module (U4) with the model number of HLK-10M series, and the input end of the power supply module (U4) is connected with the 220V alternating current power supply through a common mode inductance filter (L1), a voltage stabilizing capacitor (CX 1), an adjustable resistor (MOV 1) and a fuse (FU 1) in sequence; a seventh capacitor (C7) is connected between the two output ends of the power supply module (U4), a third polar capacitor (E3) is connected in parallel with the seventh capacitor (C7), the negative electrode of the third polar capacitor (E3) is grounded, and the positive electrode of the third polar capacitor (E3) is used as a 12V direct-current voltage source end after passing through a first radio-frequency resistor (RF 1);
the secondary step-down circuit comprises a voltage stabilizer (V1) with the model number of CJ7805-1.5A, a second Schottky diode (D2) with the model number of B5817WS is connected between the input end and the output end of the voltage stabilizer (V1), the input end of the voltage stabilizer (V1) is connected with the 12V direct-current voltage source end, and a tenth polarity capacitor (E10), a fifty-third capacitor (C53), a fourth polarity capacitor (E4), a sixteenth capacitor (C16) and an eighth capacitor (C8) which are connected in parallel are connected between the input end and the ground end of the voltage stabilizer (V1); the output end of the voltage stabilizer (V1) is a VCC direct-current voltage source end, and the VCC direct-current voltage source end is in power supply connection with the MCU controller and the driving trigger module.
5. A smoke generator control circuit according to claim 2 or claim 3, wherein: the 220V alternating current controller comprises a power-on feedback circuit and a booster pump driving circuit;
the power-on feedback circuit comprises a rectifier bridge (U1) and a second optical coupler (U2) with the model number of K10104CTLD, wherein two opposite ends of the rectifier bridge (U1) are connected with a power supply interface of the smoke machine, the other two opposite ends of the rectifier bridge (U1) are connected with a first pin and a second pin of the second optical coupler (U2) correspondingly, a plurality of capacitors, polar capacitors, unidirectional diodes, voltage stabilizing diodes and resistors which are connected in parallel are connected between the first pin and the second pin of the second optical coupler (U2), and the second pin of the second optical coupler (U2) is grounded; the fourth pin of the second optocoupler (U2) is connected with the VCC direct-current voltage source end through a fifth resistor (R5) and is correspondingly connected with two control ends of the MCU controller through a sixth resistor (R6) and a twentieth resistor (R20) respectively, and the third pin of the second optocoupler (U2) is grounded and is connected with the fourth pin through a fourth capacitor (C4);
the booster pump driving circuit comprises a relay switch (JK 1) and a third optocoupler (U3) with the model of K10104CTLD, wherein the switch of the relay switch (JK 1) controls the power on and off of the booster pump, one end of an induction coil of the relay switch (JK 1) is connected with a fourth pipe pin of the third optocoupler (U3), and the fourth pipe pin of the third optocoupler (U3) is grounded through a fifth capacitor (C5); a twelfth capacitor (C12) is connected between a third pin and a fourth pin of the third optocoupler (U3), the third pin of the third optocoupler (U3) is connected with the other end of the induction coil sequentially through a seventh resistor (R7) and a fifteenth resistor (R15), the connection end of the seventh resistor (R7) and the fifteenth resistor (R15) is connected with a base electrode of a triode (Q1), a collector electrode of the triode (Q1) is connected with the other end of the fifteenth resistor (R15), an emitter electrode of the triode (Q1) is grounded, and a diode (D1) is further connected between a collector electrode of the triode (Q1) and the fourth pin of the third optocoupler (U3) in a forward direction; the first pin of the third optocoupler (U3) is grounded through a thirteenth capacitor (C13), the thirteenth capacitor (C13) is connected with the VCC direct-current voltage source end through an eighth resistor (R8), the second pin of the third optocoupler (U3) is connected with one control end of the MCU controller through a ninth resistor (R9), and a sixteenth resistor (R16) and a sixth capacitor (C6) which are connected in parallel are further connected between the first pin and the second pin of the third optocoupler (U3).
6. The smoke generator control circuit of claim 5 wherein: the MCU controller consists of an 8051 series singlechip (U5) and a peripheral circuit, and a twentieth pin and a fortieth-third pin of the singlechip (U5) are correspondingly connected with the sixth resistor (R6) and the twentieth resistor (R20); a twenty-sixth pin of the singlechip (U5) is connected with the ninth resistor (R9); a twenty-second pipe foot of the singlechip (U5) controls the power-on and power-off states of the booster pump.
7. The smoke generator control circuit of claim 6 wherein: the liquid level sensor adopts a capacitive sensor which is arranged at the position of a low liquid level trigger line of the smoke engine oil tank, and two output ends of the capacitive sensor are respectively connected with a first pin and a second pin of the singlechip (U5) after passing through resistors.
8. The smoke generator control circuit of claim 1 wherein: the network communication module is provided with an RJ45 Ethernet interface, and the RJ45 Ethernet interface is connected to an upper computer at the far end of the network through a network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321900597.6U CN220305661U (en) | 2023-07-19 | 2023-07-19 | Smoke generator control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321900597.6U CN220305661U (en) | 2023-07-19 | 2023-07-19 | Smoke generator control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220305661U true CN220305661U (en) | 2024-01-05 |
Family
ID=89347874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321900597.6U Active CN220305661U (en) | 2023-07-19 | 2023-07-19 | Smoke generator control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220305661U (en) |
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2023
- 2023-07-19 CN CN202321900597.6U patent/CN220305661U/en active Active
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