CN110825131A - Intelligent control device based on PLC - Google Patents
Intelligent control device based on PLC Download PDFInfo
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- CN110825131A CN110825131A CN201911176510.3A CN201911176510A CN110825131A CN 110825131 A CN110825131 A CN 110825131A CN 201911176510 A CN201911176510 A CN 201911176510A CN 110825131 A CN110825131 A CN 110825131A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 174
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000005476 soldering Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims 4
- 238000001816 cooling Methods 0.000 claims 1
- 230000035622 drinking Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 241000190070 Sarracenia purpurea Species 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Domestic Plumbing Installations (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses an intelligent control device based on a PLC (programmable logic controller), which comprises an installation box and a fixed box, wherein the installation box is fixedly installed at the top end of the fixed box, a PLC controller is fixedly installed at the top end inside the installation box, a PCB (printed circuit board) is fixedly installed at the bottom end of the PLC controller, a wireless signal receiver is fixedly installed at the bottom end of the PCB, a water storage box is fixedly installed at the bottom end inside the fixed box, and a water inlet is fixedly installed at one side of the fixed box. The invention discloses an intelligent control device based on a PLC. Can purify the water in the water storage box at any time through clarifier and the slide valve that is equipped with, can guarantee that the inside water of water purification box reaches drinkable water standard, can adjust the temperature through the heating pipe that is equipped with and refrigeration pipe to test the temperature through temperature sensor and through the delivery port with water inflow drinking cup in, can make the temperature keep at the constant value through the temperature regulation and control circuit that is equipped with, control when needs to the temperature and make it keep in a constant range.
Description
Technical Field
The invention relates to the technical field of basic control systems, in particular to an intelligent control device based on a PLC.
Background
In our daily life, water supply is needed to ensure the water in human body, people often use hot water in families by boiling water and a water dispenser, but when people use the water dispenser, the water often needs to be heated in advance, hot water cannot be drunk at any time, meanwhile, when people use the water dispenser, cold water is often connected in advance, hot water is often connected in part, when cold water or hot water is connected in, the water cannot be held, the water is cooled or overheated, and the proper drinking temperature cannot be reached.
Therefore, an intelligent control device based on the PLC is provided.
Disclosure of Invention
The invention mainly aims to provide an intelligent control device based on a PLC (programmable logic controller), which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an intelligent control device based on PLC, includes install bin and fixed case, install bin fixed mounting is in the top of fixed case, the inside top fixed mounting of install bin has the PLC controller, the bottom fixed mounting of PLC controller has the PCB circuit board, the bottom fixed mounting of PCB circuit board has the wireless signal receiver.
Further, the inside bottom fixed mounting of fixed box has the water storage box, one side fixed mounting of fixed box has the water inlet, the water inlet has the inlet tube with the junction fixed mounting of water storage box, the inside intercommunication of inlet tube and water storage box, one side fixed mounting on water storage box top has the water inlet, one side fixed mounting of clarifier has the slide valve, slide valve fixed mounting is in the top of water storage box.
Further, the top fixed mounting of water storage box has the water purification case, the middle part fixed mounting of water purification bottom of the case has first water pump, the top fixed mounting of water storage box has the mixing box, first water pump is through the inside intercommunication of pipe and the mixing box that the top was equipped with.
Further, the middle part fixed mounting on mixing box bottom has temperature sensor, one side fixed mounting on mixing box top has the heating pipe, the opposite side fixed mounting on mixing box top has the refrigeration pipe.
Furthermore, a base is fixedly arranged on one side of the bottom of the installation box, a first push rod motor is fixedly mounted on the inner wall of one side of the installation box, a hand grip is fixedly mounted at one end of a push rod of the first push rod motor, and the position of the hand grip corresponds to that of the base.
Further, wireless signal receiver's bottom fixed mounting has flexible piece, the inside top fixed mounting of flexible piece has second push rod motor, the one end fixed mounting of the telescopic link of second push rod motor has the second water pump, the one end of second water pump is through hose and the mixing box intercommunication that is equipped with, the inside bottom of second water pump is equipped with the delivery port, one side fixed mounting of second water pump bottom has infrared distance meter.
Further, the positive middle part fixed mounting of install bin has the display screen, one side fixed mounting of install bin has the numeric keyboard, numeric keyboard and temperature sensor are all through PCB circuit board and the PLC controller electric connection that is equipped with, infrared distance meter is through the PLC controller and second water pump and the second push rod motor electric connection that are equipped with, the PLC controller respectively with flow valve, display screen, refrigeration pipe, heating pipe and radio signal receiver electric connection.
Furthermore, the surface of the PCB circuit board is fixedly provided with a temperature regulating circuit, the temperature regulating circuit comprises a detection regulating circuit and an execution circuit, and the detection regulating circuit comprises a temperature sensor, a nixie tube U1-U4, an operational amplifier A1, an operational amplifier A2 and the like. The negative pole of the operational amplifier A1 is connected with one end of a temperature sensor, the positive pole of the operational amplifier A1 is connected with a slide bar of a slide rheostat Rp1, the output end of the operational amplifier A1 is connected with a base electrode of a triode VT1, the negative pole of the operational amplifier A2 is connected with a slide bar of a slide rheostat Rp2, one end of a slide rheostat Rp2 is connected with one end of a resistor R1, the positive pole of the operational amplifier A2 is connected with a capacitor C1, the output end of the operational amplifier A2 is connected with a resistor R6, the other end of the resistor R6 is connected with a base electrode of a triode VT2, one end of the slide rheostat Rp1 is connected with a resistor R2, the other end of the slide rheostat Rp1 is connected with an emitter electrode of a triode VT1, the top end of the temperature sensor is connected with a resistor R1 and a resistor R2, the other end of the slide rheostat R2 is connected with the other end of a capacitor C1 and an emitter of a triode VT2 respectively, the bottom end of the temperature sensor is connected with bases of a capacitor C1 and a triode VT1, one end of the capacitor C1 is connected with a nixie tube U1, the other end of the capacitor C1 is grounded, interfaces of the nixie tube U2 and the nixie tube U3 are grounded, and the interface of the nixie tube U4 is connected with a resistor R2 and an external circuit respectively. The execution circuit comprises triodes VT1 and VT2, light emitting diodes VL1 and VL2, relays KA1 and KA2, a heating pipe, a refrigerating pipe and the like, a collector of the triode VT1 is respectively connected with a cathode of the light emitting diode VL1, an anode of the diode D1 and one end of a coil soldering lug of the relay KA1, the other end of the coil soldering lug of the relay KA1 is respectively connected with a cathode of the diode D1 and a resistor R4, an anode of the light emitting diode VL1 is connected with a resistor 695R 4, a collector of the triode VT2 is respectively connected with a cathode of the light emitting diode VL2, an anode of the diode D2 and one end of the coil soldering lug of the relay KA2, the other end of the coil soldering lug of the relay KA2 is respectively connected with a cathode of the diode KA2 and a resistor R7, the other end of the resistor R7 is connected with an anode of the light emitting diode VL 7, one end of a soldering lug of the relay KA 72 is respectively connected with an external circuit, one end of the relay KA2 welding point contact piece is connected with a refrigerating pipe, and the other end of the relay KA2 welding point contact piece and the other end of the refrigerating pipe are both connected with an external circuit.
Compared with the prior art, the invention has the following beneficial effects:
1. when household tap water enters the water storage tank through the water inlet and the water inlet pipe, the water in the water storage tank is purified by the purifier and then is pumped into the water purification tank by the first row of water pumps, and the purified water amount is controlled by the control numeric keyboard according to the required water amount and is pumped by the first water pump;
2. the PLC can receive signals through the wireless signal receiver, the water temperature in the mixing box is controlled, the time of people is saved, the water temperature can be adjusted through the heating pipe and the refrigerating pipe, the water temperature is tested through the temperature sensor, water flows into the water cup through the water outlet, people can drink hot water with proper water temperature, the water cup needing to receive water can be grabbed through the second push rod motor and the gripper, and the phenomenon that the inner wall of the cup is impacted to cause the inclination of the cup due to overlarge water pressure flow is avoided;
3. the temperature control circuit can keep the water temperature at a constant value, when the water temperature needs to be controlled to keep the water temperature within a constant range, firstly, the numerical keyboard adjusts the water temperature range through the sliding rheostat Rp1 and the sliding rheostat Rp2, the sliding rheostat Rp1 controls the lower limit value of the water temperature, the sliding rheostat Rp2 controls the upper limit value of the water temperature, the operational amplifier A1 and the operational amplifier A2 form a voltage comparison circuit, when the water temperature in the air is detected by the water temperature sensor, the numerical tubes U1-U4 display the water temperature value detected by the water temperature sensor, the output end of the operational amplifier A1 outputs the output end of the operational amplifier A1 to be at a high level according to the detected water temperature, the triode VT1 is conducted, the light emitting diode VL1 emits light and the relay heating tube KA1 is attracted, and the air water temperature is humidified by opening the heating; when the water temperature in the mixing box is high, the remote computing amplifier A2 receives a signal sent by the water temperature sensor, sends a high level to conduct the triode VT2, so that the light-emitting diode VL2 emits light, and simultaneously the relay KA2 is attracted to drive the refrigerating pipe to exhaust air, so that the water temperature is maintained at a certain value.
Drawings
Fig. 1 is a system diagram of an intelligent control device based on a PLC according to the present invention.
Fig. 2 is a schematic diagram of the overall structure of an intelligent control device based on a PLC according to the present invention.
Fig. 3 is a schematic diagram of an internal structure of an intelligent control device based on a PLC according to the present invention.
Fig. 4 is a side view of an intelligent control device based on a PLC according to the present invention.
Fig. 5 is a schematic structural diagram of a telescopic block of the intelligent control device based on the PLC of the present invention.
Fig. 6 is a circuit diagram of a temperature control circuit of an intelligent control device based on a PLC according to the present invention.
In the figure: 1. installing a box; 2. a fixed box; 3. a telescopic block; 4. a display screen; 5. a numeric keypad; 6. a base; 7. a water inlet; 8. a purifier; 9. a PLC controller; 10. a PCB circuit board; 11. a wireless signal receiver; 12. a water inlet pipe; 13. a gate valve; 14. a water storage tank; 15. a first water pump; 16. a temperature sensor; 17. heating a tube; 18. a refrigeration pipe; 19. a water purifying tank; 20. a mixing box; 21. a second water pump; 22. a hose; 23. a flow valve; 24. a first push rod motor; 25. a gripper; 26. a second push rod motor; 27. an infrared range finder; 28. and (7) a water outlet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-6, an intelligent control device based on PLC includes an installation box 1 and a fixed box 2, the installation box 1 is fixedly installed on the top end of the fixed box 2, a PLC controller 9 is fixedly installed on the top end inside the installation box 1, a PCB circuit board 10 is fixedly installed on the bottom end of the PLC controller 9, and a wireless signal receiver 11 is fixedly installed on the bottom end of the PCB circuit board 10.
The inside bottom fixed mounting of fixed box 2 has water storage box 14, and one side fixed mounting of fixed box 2 has water inlet 7, and water inlet 7 and the junction fixed mounting of water storage box 14 have inlet tube 12, the inside intercommunication of inlet tube 12 and water storage box 14, and one side fixed mounting on 14 tops of water storage box has water inlet 7, and one side fixed mounting of clarifier 8 has a flashboard valve 13, and flashboard valve 13 fixed mounting is on the top of water storage box 14.
The top end of the water storage tank 14 is fixedly provided with a water purification tank 19, the middle part of the bottom end of the water purification tank 19 is fixedly provided with a first water pump 15, the top end of the water storage tank 14 is fixedly provided with a mixing tank 20, and the first water pump 15 is communicated with the inside of the mixing tank 20 through a guide pipe arranged at the top end.
By adopting the technical scheme: can purify the water in the water storage box 14 at any time through clarifier 8 and flashboard valve 13 that are equipped with, can guarantee that 19 inside water in water purification box reaches the drinking water standard, inside household running water gets into water storage box 14 through water inlet 7 and inlet tube 12, the water of 14 inside water storage boxes is purified the back through clarifier 8 and is controlled and is extracted by first water pump suction water purification box 19 inside, the water yield as required is through control digital keyboard 5 to the water purification volume.
Example 2
As shown in fig. 1-6, an intelligent control device based on PLC includes an installation box 1 and a fixed box 2, the installation box 1 is fixedly installed on the top end of the fixed box 2, a PLC controller 9 is fixedly installed on the top end inside the installation box 1, a PCB circuit board 10 is fixedly installed on the bottom end of the PLC controller 9, and a wireless signal receiver 11 is fixedly installed on the bottom end of the PCB circuit board 10.
A temperature sensor 16 is fixedly installed in the middle of the bottom end of the mixing box 20, a heating pipe 17 is fixedly installed on one side of the top end of the mixing box 20, and a refrigerating pipe 18 is fixedly installed on the other side of the top end of the mixing box 20.
One side of installation case 1 bottom is fixed and is equipped with base 6, and installation case 1 one side inner wall fixed mounting has first push rod motor 24, and the one end fixed mounting of the push rod of first push rod motor 24 has tongs 25, and the position of tongs 25 and the position of base 6 are corresponding.
The bottom fixed mounting of wireless signal receiver 11 has flexible piece 3, and the inside top fixed mounting of flexible piece 3 has second push rod motor 26, and the one end fixed mounting of the telescopic link of second push rod motor 26 has second water pump 21, and the one end of second water pump 21 is through intercommunication in hose 22 and the mixing box 20 that are equipped with, and the inside bottom of second water pump 21 is equipped with delivery port 28, and one side fixed mounting of second water pump 21 bottom has infrared distance meter 27.
The positive middle part fixed mounting of installing box 1 has display screen 4, one side fixed mounting of installing box 1 has numeric keyboard 5, numeric keyboard 5 and temperature sensor 16 are all through PCB circuit board 10 and the 9 electric connection of PLC controller that are equipped with, infrared distance meter 27 is through the PLC controller 9 and the second water pump 21 and the 26 electric connection of second push rod motor that are equipped with, PLC controller 9 respectively with flow valve 23, display screen 4, refrigeration pipe 18, heating pipe 17 and 11 electric connection of wireless signal receiver.
By adopting the technical scheme: can make PLC controller 9 receive the signal through the wireless signal receiver 11 that is equipped with, control the inside temperature of mixing box 20, people's time has been saved, heating pipe 17 and the refrigeration pipe 18 through being equipped with can be adjusted the temperature, and test the temperature through temperature sensor 16 and flow into the drinking cup with water through delivery port 28 in, make people can drink the hot water of suitable temperature, can snatch the drinking cup of needs water receiving through second push rod motor 26 and the tongs 25 that are equipped with, avoid the too big slope that causes the striking to produce the cup of water pressure flow to the cup inner wall.
Example 3
As shown in fig. 1-6, an intelligent control device based on PLC includes an installation box 1 and a fixed box 2, the installation box 1 is fixedly installed on the top end of the fixed box 2, a PLC controller 9 is fixedly installed on the top end inside the installation box 1, a PCB circuit board 10 is fixedly installed on the bottom end of the PLC controller 9, and a wireless signal receiver 11 is fixedly installed on the bottom end of the PCB circuit board 10.
A temperature sensor 16 is fixedly installed in the middle of the bottom end of the mixing box 20, a heating pipe 17 is fixedly installed on one side of the top end of the mixing box 20, and a refrigerating pipe 18 is fixedly installed on the other side of the top end of the mixing box 20.
The positive middle part fixed mounting of installing box 1 has display screen 4, one side fixed mounting of installing box 1 has numeric keyboard 5, numeric keyboard 5 and temperature sensor 16 are all through PCB circuit board 10 and the 9 electric connection of PLC controller that are equipped with, infrared distance meter 27 is through the PLC controller 9 and the second water pump 21 and the 26 electric connection of second push rod motor that are equipped with, PLC controller 9 respectively with flow valve 23, display screen 4, refrigeration pipe 18, heating pipe 17 and 11 electric connection of wireless signal receiver.
The surface of the PCB circuit board 10 is fixedly provided with a temperature regulating circuit, the temperature regulating circuit comprises a detection regulating circuit and an execution circuit, and the detection regulating circuit comprises a temperature sensor, a nixie tube U1-U4, an operational amplifier A1, an operational amplifier A2 and the like. The negative pole of the operational amplifier A1 is connected with one end of a temperature sensor, the positive pole of the operational amplifier A1 is connected with a slide bar of a slide rheostat Rp1, the output end of the operational amplifier A1 is connected with the base of a triode VT1, the negative pole of the operational amplifier A2 is connected with a slide bar of a slide rheostat Rp2, one end of a slide rheostat Rp2 is connected with one end of a resistor R1, the positive pole of the operational amplifier A2 is connected with a capacitor C1, the output end of the operational amplifier A2 is connected with a resistor R6, the other end of the resistor R6 is connected with the base of a triode VT2, one end of a slide rheostat Rp1 is connected with a resistor R2, the other end of the slide rheostat Rp1 is connected with the emitter of a triode VT1, the top end of the temperature sensor is respectively connected with a resistor R1 and a resistor R2, the other end of the resistor R1 is connected with, the bottom end of the temperature sensor is connected with a base electrode of a capacitor C1 and a base electrode of a triode VT1, one end of the capacitor C1 is connected with a nixie tube U1, the other end of the capacitor C1 is grounded, interfaces of the nixie tubes U2 and U3 are grounded, and the interface of the nixie tube U4 is connected with a resistor R2 and an external circuit respectively. The execution circuit comprises triodes VT1 and VT2, light emitting diodes VL1 and VL2, relays KA1 and KA2, a heating pipe, a refrigerating pipe and the like, a collector of the triode VT1 is respectively connected with a cathode of the light emitting diode VL1, an anode of the diode D1 and one end of a coil soldering lug of the relay KA1, the other end of the coil soldering lug of the relay KA1 is respectively connected with a cathode of the diode D1 and a resistor R4, an anode of the light emitting diode VL1 is connected with a resistor R4, a collector of the triode VT2 is respectively connected with a cathode of the light emitting diode VL2, an anode of the diode D2 and one end of the coil soldering lug of the relay KA2, the other end of the coil soldering lug of the relay KA2 is respectively connected with a cathode of the diode D2 and a resistor R7, the other end of the resistor R7 is connected with an anode of the light emitting diode VL 7, one end of a soldering lug of the relay KA 7 is connected with an external circuit, one end of the relay KA2 welding point contact piece is connected with a refrigerating pipe, and the other end of the relay KA2 welding point contact piece and the other end of the refrigerating pipe are both connected with an external circuit.
By adopting the technical scheme: the water temperature can be kept at a constant value through the arranged temperature control circuit, when the water temperature needs to be controlled to be kept in a constant range, the numerical keyboard 5 firstly adjusts the water temperature range of the sliding rheostat Rp1 and the sliding rheostat Rp2, the sliding rheostat Rp1 controls the lower limit value of the water temperature, the sliding rheostat Rp2 controls the upper limit value of the water temperature, the operational amplifier A1 and the operational amplifier A2 form a voltage comparison circuit, when the water temperature in the air is detected by the water temperature sensor, the numerical pipes U1-U4 display the water temperature value detected by the water temperature sensor, the output end of the operational amplifier A1 outputs the output end of the operational amplifier A1 to be a high level according to the detected water temperature, the triode VT1 is conducted, the light emitting diode VL1 emits light and the relay KA1 is attracted, and the heating pipe 17 is opened to humidify the water temperature of the air; when the water temperature in the mixing box 20 is high, the remote computing amplifier A2 receives the signal sent by the water temperature sensor, and sends high level to turn on the triode VT2, so that the light emitting diode VL2 emits light, and the relay KA2 is attracted to drive the refrigerating tube 18 to cool down, and the water temperature is maintained at a certain value.
It should be noted that the present invention is an intelligent control device based on PLC, when in use, people can put a cup on the base 6 in advance, the infrared distance meter 27 detects that the cup sends a signal to the first push rod motor 24 and the gripper 25 to grab the cup, when people need to drink water, the remote terminal can send a signal to the wireless signal receiver 11, the wireless signal receiver 11 sends a signal to the PLC controller 9 to control the water temperature inside the mixing box 20, when household tap water enters the water storage box 14 through the water inlet 7 and the water inlet pipe 12, the water inside the water storage box 14 is purified by the purifier 8 and then pumped into the water purification box 19 by the first traveling water pump, the amount of purified water is controlled by the control numeric keypad 5 according to the required water amount and is pumped by the first water pump 15, and the water temperature inside the mixing box 20 is adjusted by the heating pipe 17 and the refrigerating pipe 18 inside the mixing box 20, when the temperature sensor 16 detects that the water temperature meets the standard water temperature, the temperature sensor 16 sends a signal to the PLC controller 9 and displays the water temperature on the display screen 4, the PLC controller 9 sends a signal to the second push rod motor 26 and the second water pump 21, so that the second water pump 21 pumps the water in the mixing box 20 through the hose 22 and flows out of the water outlet 28, and the flow valve 23 is arranged to control the water outlet amount.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an intelligent control device based on PLC, includes, including install bin (1) and fixed case (2), its characterized in that: install bin (1) fixed mounting is on the top of fixed case (2), the inside top fixed mounting of install bin (1) has PLC controller (9), the bottom fixed mounting of PLC controller (9) has PCB circuit board (10), the bottom fixed mounting of PCB circuit board (10) has wireless signal receiver (11).
2. The intelligent PLC-based control device of claim 1, wherein: the inside bottom fixed mounting of fixed case (2) has water storage box (14), one side fixed mounting of fixed case (2) has water inlet (7), water inlet (7) and the junction fixed mounting of water storage box (14) have inlet tube (12), inlet tube (12) and the inside intercommunication of water storage box (14), one side fixed mounting on water storage box (14) top has water inlet (7), one side fixed mounting of clarifier (8) has slide valve (13), slide valve (13) fixed mounting is in the top of water storage box (14).
3. The intelligent PLC-based control device of claim 2, wherein: the top fixed mounting of water storage box (14) has water purification case (19), the middle part fixed mounting of water purification case (19) bottom has first water pump (15), the top fixed mounting of water storage box (14) has mixing box (20), pipe and mixing box (20) inside intercommunication that first water pump (15) were equipped with through the top.
4. The intelligent PLC-based control device of claim 3, wherein: the middle part fixed mounting of mixing box (20) bottom has temperature sensor (16), one side fixed mounting on mixing box (20) top has heating pipe (17), the opposite side fixed mounting on mixing box (20) top has refrigeration pipe (18).
5. The intelligent PLC-based control device of claim 1, wherein: the mounting box is characterized in that a base (6) is fixedly arranged on one side of the bottom of the mounting box (1), a first push rod motor (24) is fixedly mounted on the inner wall of one side of the mounting box (1), a hand grip (25) is fixedly mounted at one end of a push rod of the first push rod motor (24), and the position of the hand grip (25) corresponds to the position of the base (6).
6. The intelligent PLC-based control device of claim 1, wherein: the bottom fixed mounting of radio signal receiver (11) has flexible piece (3), the inside top fixed mounting of flexible piece (3) has second push rod motor (26), the one end fixed mounting of the telescopic link of second push rod motor (26) has second water pump (21), the one end of second water pump (21) is through intercommunication in hose (22) and mixing box (20) that are equipped with, the inside bottom of second water pump (21) is equipped with delivery port (28), one side fixed mounting of second water pump (21) bottom has infrared range finder (27).
7. The intelligent PLC-based control device of claim 1, wherein: install installation box (1) positive middle part fixed mounting has display screen (4), one side fixed mounting of installation box (1) has numeric keyboard (5), numeric keyboard (5) and temperature sensor (16) are all through PCB circuit board (10) and PLC controller (9) electric connection who is equipped with, infrared range finder (27) are through PLC controller (9) and second water pump (21) and second push rod motor (26) electric connection who is equipped with, PLC controller (9) respectively with flow valve (23), display screen (4), refrigeration pipe (18), heating pipe (17) and wireless signal receiver (11) electric connection.
8. The intelligent PLC-based control device of claim 1, wherein: the surface of the PCB circuit board (10) is fixedly provided with a temperature regulating circuit which comprises a detection regulating circuit and an execution circuit, the detection regulating circuit comprises a temperature sensor, a nixie tube U1-U4, an operational amplifier A1, an operational amplifier A2 and the like,
the negative pole of the operational amplifier A1 is connected with one end of a temperature sensor, the positive pole of the operational amplifier A1 is connected with a slide bar of a slide rheostat Rp1, the output end of the operational amplifier A1 is connected with a base electrode of a triode VT1, the negative pole of the operational amplifier A2 is connected with a slide bar of a slide rheostat Rp2, one end of a slide rheostat Rp2 is connected with one end of a resistor R1, the positive pole of the operational amplifier A2 is connected with a capacitor C1, the output end of the operational amplifier A2 is connected with a resistor R6, the other end of the resistor R6 is connected with a base electrode of a triode VT2, one end of the slide rheostat Rp1 is connected with a resistor R2, the other end of the slide rheostat Rp1 is connected with an emitter electrode of a triode VT1, the top end of the temperature sensor is connected with a resistor R1 and a resistor R2, the other end of the slide rheostat R2 is respectively connected with the other end of a capacitor C1 and an emitter of a triode VT2, the bottom end of the temperature sensor is connected with a base electrode of a capacitor C1 and a base electrode of a triode VT1, one end of the capacitor C1 is connected with a nixie tube U1, the other end of the capacitor C1 is grounded, interfaces of the nixie tubes U2 and U3 are grounded, an interface of the nixie tube U4 is respectively connected with a resistor R2 and an external circuit, the execution circuit comprises triodes VT1 and VT 53, light emitting diodes VL1 and VL2, relays KA1 and KA2, a heating tube, a cooling tube and the like, a collector electrode of the triode VT1 is respectively connected with a cathode of the light emitting diode VL1, an anode of the diode D1 and one end of a coil soldering piece of the relay KA1, the other end of the coil soldering piece of the relay 1 is respectively connected with a cathode of the diode D1 and a resistor R1, triode VT 2's collecting electrode is connected with emitting diode VL 2's negative pole, diode D2's positive pole and relay KA 2's coil soldering lug's one end respectively, the other end of relay KA 2's coil soldering lug is connected with diode D2's negative pole and resistance R7 respectively, resistance R7's the other end and emitting diode VL 2's positive pole link to each other, the one end of relay KA1 solder joint wafer is connected with the heating pipe, the other end of heating pipe and relay KA1 solder joint wafer is connected with external circuit respectively, the one end of relay KA2 solder joint wafer is connected with the refrigeration pipe, the other end of relay KA2 solder joint wafer and the other end of refrigeration pipe all are connected with external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176510.3A CN110825131B (en) | 2019-11-26 | 2019-11-26 | Intelligent control device based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176510.3A CN110825131B (en) | 2019-11-26 | 2019-11-26 | Intelligent control device based on PLC |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110825131A true CN110825131A (en) | 2020-02-21 |
| CN110825131B CN110825131B (en) | 2021-11-16 |
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| CN201911176510.3A Active CN110825131B (en) | 2019-11-26 | 2019-11-26 | Intelligent control device based on PLC |
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| CN110825131B (en) | 2021-11-16 |
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