CN101749836B - Humidifier control system and humidifier applying same - Google Patents
Humidifier control system and humidifier applying same Download PDFInfo
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- CN101749836B CN101749836B CN2008102203611A CN200810220361A CN101749836B CN 101749836 B CN101749836 B CN 101749836B CN 2008102203611 A CN2008102203611 A CN 2008102203611A CN 200810220361 A CN200810220361 A CN 200810220361A CN 101749836 B CN101749836 B CN 101749836B
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention relates to a humidifier control system and a humidifier applying the control system. The control system comprises a humidity transmitter (30), a distributor (32), a controller (34), a power regulator (36), a contactor (46), a programmable controller (42) and a touch screen (44). Wherein, the controller (34) receives the control parameter and the humidity signal and outputs a control signal; the power regulator (36) is connected in series between the power supply (40) and the humidifier (38), receives a control signal of the controller (34), regulates the output power of the humidifier (38) according to the control signal, and the programmable controller (42) receives the control signal of the controller, a feedback signal of the humidifier and a control signal of the touch screen, and controls the on-off of a power supply circuit of the humidifier through the contactor (46) according to the received signals. The control system can be suitable for the humidifier without adopting a fan, control parameters can be input, and the precise control of the humidifier is realized.
Description
Technical field
The present invention relates to the control system of humidifier of simulated environment humidity and the humidifier of using this control system.
Background technology
In living environment, except temperature, humidity is a very important key factor that influences the comfortableness degree of human body equally, and the different humidity of uniform temp can be brought very big sense organ difference to the people.Therefore, when design, production, testing product, need to consider the humidity of product applied environment.Industrial, generally come the humiture of the environment for use of analog equipment by the environmental simulation laboratory.For example, in the production and detection of air-conditioning, simulate indoor environment for use and the outdoor application condition of room air conditioner by the environmental simulation laboratory, and according to the experiment needs humiture ratio that automatically adjusts, the wet adverse weather condition of simulation south heat for example, thus full-amount operating mode demand provided for the reliability of estimating air-conditioning.
The applying date is that the Chinese invention patent application 200610053381.5 on September 14th, 2006 discloses a kind of Humidifier control system, this control system comprises Programmable Logic Controller (hereinafter referred is PLC), touching display screen, analog quantity input/output module, switching value input/output module, frequency converter etc., the analog quantity input/output module is used for obtaining ambient signal, the switching value input/output module is used for water inlet, water outlet are controlled, and frequency converter is used for regulating humidification amount and the humidification speed of humidifier.
Because frequency converter is just to regulate humidification amount and humidification speed by blower fan or the motor of regulating humidifier, therefore, this existing Humidifier control system is not suitable for the humidifier that does not adopt blower fan.In addition, the output of frequency converter does not generally connect contactor, be subjected to control (for example being subjected to the motor of Frequency Converter Control) thereby can not enable by contactor easily or stop using, also be inconvenient to switch main with being subjected to control (as the main motor of using) and the standby control (as standby motor) that is subjected to.Have, this existing Humidifier control system does not have parameter input (for example target humidity, transformation period) module, is not easy to accurate control again.
Summary of the invention
On the one hand, be not suitable for the humidifier that does not adopt blower fan and be not easy to the accurately defective of control at the above-mentioned of existing Humidifier control system, a kind of can accurately control, control system of being applicable to the humidifier that does not adopt blower fan is provided.
Humidifier control system of the present invention comprises for measures ambient humidity and moisture signal is converted into the humidity transmitter of analog signal; Be connected with humidity transmitter, be used for to receive and amplify the distributor of described analog signal; The controller that is connected with distributor, described controller are used for receiving the control parameter and receive the analog signal that described distributor amplifies, and the output control signal; Be serially connected in the power regulating eqiupment between power supply and the humidifier, described power regulating eqiupment also is connected with controller, receives the control signal of described controller, regulates the power output of described humidifier according to this control signal; Be serially connected in first contactor between described power regulating eqiupment and the power supply; PLC (Programmable Logic Controller) and touch-screen, described PLC is used for receiving the control signal of described controller, the feedback signal of described humidifier, the control signal of described touch-screen, and closure and the disconnection of controlling described first contactor according to the signal that receives by first relay.
Preferably, the feedback signal of described humidifier comprises the low water level alarm signal.
Preferably, described humidifier comprises first humidifying unit and second humidifying unit; Described control system also comprises second contactor that is serially connected between described power regulating eqiupment and this first humidifying unit, is serially connected in the 3rd contactor between described power regulating eqiupment and second humidifying unit; Described PLC also is connected with described power regulating eqiupment, receives the control signal of power regulating eqiupment, controls closure and the disconnection of described second contactor by second relay, controls closure and the disconnection of described the 3rd contactor by the 3rd relay.
Preferably, described first humidifying unit is first electric heating tube, and described second humidifying unit is second electric heating tube, and the feedback signal of described humidifier comprises the heat alarm of described first electric heating tube and second electric heating tube.
Preferably, described control system also comprises: with the data acquisition unit that described distributor is connected, data acquisition unit is used for receiving the analog signal that distributor amplifies, and the corresponding data signal of output; The computer terminal that is connected with described data acquisition unit is used for receiving described data signal and analysis and record humidity and changes.
Preferably, described computer terminal also is used for target humidity value and transformation period are set, and exports described control parameter by communication interface to described controller.
On the other hand, the present invention also provides a kind of humidifier that can accurately control, comprise: attemperater, described attemperater comprises outer case and inner bag, inner bag is installed in the outer case, inner bag inside is provided with the electric heating part for generation of water vapour, and electric heating part is connected with control system, and the inner bag top also is communicated with steam pipeline; Water supply tank, described water supply tank is communicated with the inner bag of attemperater by the attemperater filling pipe of bottom, be connected to the moisturizing source by the water supply tank water inlet pipe, be provided with in the water supply tank according to water level and just be communicated with or the water compensating valve of closed described water supply tank water inlet pipe and be provided with the low water level alarm device, wherein, the described control system that is connected with electric heating part comprises: be used for measures ambient humidity and moisture signal be converted into the humidity transmitter of analog signal; Be connected with humidity transmitter, be used for to receive and amplify the distributor of described analog signal; The controller that is connected with distributor, described controller are used for receiving the control parameter and receive the analog signal that described distributor amplifies, and the output control signal; Be serially connected in the power regulating eqiupment between power supply and the humidifier, described power regulating eqiupment also is connected with controller, receives the control signal of described controller, regulates the power output of described humidifier according to this control signal; Be serially connected in first contactor between described power regulating eqiupment and the power supply; PLC and touch-screen, described PLC is used for receiving the control signal of described controller, the feedback signal of described humidifier, the control signal of described touch screen, and closure and the disconnection of controlling described first contactor according to the signal that receives by first relay.
Preferably, the low water level alarm device of described water supply tank is connected with described PLC, to described PLC feedback low water level alarm signal.
Preferably, described low water level alarm device comprises reed switch circuit and the slide block that slides up and down along with the water level height of water supply tank, and the slide block that slides into predeterminated position is down connected described reed switch circuit.
Preferably, described electric heating part comprises first electric heating tube and second electric heating tube; Described control system also comprises second contactor that is serially connected between described power regulating eqiupment and first electric heating tube, is serially connected in the 3rd contactor between described power regulating eqiupment and second electric heating tube; Described PLC also is connected with described power regulating eqiupment, receives the control signal of power regulating eqiupment, controls closure and the disconnection of described second contactor by second relay, controls closure and the disconnection of described the 3rd contactor by the 3rd relay.
Preferably, the overheat protection device is installed on the described electric heating part, described overheat protection device is connected with described PLC, feeds back the heat alarm of described electric heating part to described PLC.
Preferably, described control system also comprises: with the data acquisition unit that described distributor is connected, data acquisition unit is used for receiving the analog signal that distributor amplifies, and the corresponding data signal of output; The computer terminal that is connected with described data acquisition unit is used for receiving described data signal and analysis and record humidity and changes.
Preferably, described computer terminal also is used for target humidity value and transformation period are set, and exports described control parameter by communication interface to described controller.
Preferably, be provided with heat-preservation cotton between the outer case of described attemperater and the inner bag, described steam pipeline appearance is enclosed with heat-preservation cotton.
Compare with existing Humidifier control system, control system of the present invention uses power regulating eqiupment to replace frequency converter, thereby go for not adopting the humidifier of blower fan, this control system has also comprised the controller that can import control parameter and output control signal in addition, has realized the accurate control to humidifier.Correspondingly, the humidifier of having used this control system has the advantage that can accurately control.
Description of drawings
Fig. 1 is the framework schematic diagram of a Humidifier control system among the embodiment;
Fig. 2 is the framework schematic diagram of the Humidifier control system of another embodiment;
Fig. 3 is the circuit connection diagram of control system shown in Figure 2;
Fig. 4 is the schematic diagram of using the humidifier of control system of the present invention;
Fig. 5 is the schematical top view of humidifier shown in Figure 4;
Fig. 6 is the side schematic view of humidifier shown in Figure 5;
Fig. 7 is the cutaway view of the attemperater of humidifier shown in Figure 6;
Fig. 8 is the cutaway view of the water supply tank of humidifier shown in Figure 6;
Fig. 9 is the cutaway view of the steam pipeline of humidifier shown in Figure 6.
The specific embodiment
Fig. 1 is the framework schematic diagram of the control system of a humidifier 38 among the embodiment.As shown in Figure 1, this control system comprises humidity transmitter 30, distributor 32, controller 34, power regulating eqiupment 36, power supply 40 and first contactor 46, PLC 42 and touch-screen 44 thereof, first relay 45.Effect and the annexation of each parts are as described below.
Distributor 32 is connected with humidity transmitter 30, is used for receiving and amplifying above-mentioned analog signal.
First contactor 46 is serially connected between power supply 40 and the power regulating eqiupment 36, and first contactor is 46 this areas A.C. contactors commonly used in this embodiment.Contactor 46 plays the effect of startup, halt system, by PLC 42 controls.For example, by the coil power of PLC 42 output 24V DC voltage adhesive first relays 45 and then connection contactor 46, thus the through and off of control humidifier 38 power supply circuits.
For safer and more reliable guarantee is provided, also be provided with breaker between power supply 40 and first contactor 46, breaker is as battery main switch.
Fig. 2 is the structural representation of the control system of another embodiment.Among this embodiment, humidifier 38 comprises two electric heating parts that are used for evaporation water steam, is called first electric heating tube 51 and second electric heating tube 52.Compare with control system shown in Figure 1, control system shown in Figure 2 also comprises second contactor 48 that is serially connected between power regulating eqiupment 36 and first electric heating tube 51, be serially connected in the 3rd contactor 50, second relay 47 that is connected with PLC 42 and the 3rd relay 49 between power regulating eqiupment 36 and second electric heating tube 52.Second relay 47 is used for the disconnection of control second contactor 48 with closed, and the 3rd relay 49 is used for the disconnection of control the 3rd contactor 50 with closed, thereby can control enabling and stopping using of first electric heating tube 51 and second electric heating tube 52 independently.For example, can be with first electric heating tube 51 as the main electric heating tube of using, with second electric heating tube 52 as standby electric heating tube, in first electric heating tube, 51 faults or when overheated, can be by second contactor, 48 inactive first electric heating tubes 51, and enable second electric heating tube 52 by the 3rd contactor 50, thereby guaranteed the normal operation of humidifier 38; Vice versa.Again for example, first electric heating tube 51 and second electric heating tube 52 can be used electric heating tube as the master, when needs increase the humidification amount or improve humidification speed, can enable first electric heating tube 51 and second electric heating tube 52 simultaneously, guarantee to satisfy the requirement of operating mode.
Similarly, in the humidifier with many group electric heating parts or a plurality of humidifying unit, can be by corresponding many windings tentaculum control many groups electric heating part or the Push And Release of a plurality of humidifying unit, the electric heating part of enabling by control or the quantity of a plurality of humidifying unit realize controlling more accurately and rapidly humidification amount, humidification speed.
Humidifier generally has the low water level alarm device.Therefore, the feedback signal of the humidifier that receives of PLC 42 can comprise the low water level alarm signal.According to using needs, PLC 42 receives after the low water level alarm signal, can show this low water level alarm at touch-screen 44, also can disconnect first contactor 46 where necessary to stop humidifier 38, has increased the security of humidifier.
If the overheat protection device is installed on the humidifier 38, then the feedback signal of the humidifier that receives of PLC 42 can comprise the heat alarm of overheat protection device.For example, the overheat protection device sends alarm signal to PLC 42 when the electric heating part temperature surpasses preset value, and PLC 42 controls the Push And Release of first contactor 46, second contactor 48 or the 3rd contactor 50 according to this alarm signal.
As another improvement, this control system can also comprise data acquisition unit 53 and computer terminal 55.Data acquisition unit 53 is connected with distributor 32, distributor 32 is converted to analog signal with the signal amplification of humidity transmitter 30, distribute item by item in the signal time ratio that receives, riches all the way in transmission course gives UP550 controller 34, one the tunnel through data acquisition unit 53 data intercepts, flow to computer terminal 55 by communication port after data acquisition unit 53 image data.TT﹠C software can be installed in computer terminal 55, and the data that TT﹠C software provides according to data acquisition unit 53 demonstrate the moisture curve waveform.
In addition, computer terminal 55 also can be used for arranging target humidity value and transformation period, the user can arrange humidity and transformation period as required voluntarily, and the setting that computer terminal 55 bases are used for and the moisture signal that receives from data acquisition unit 53 send control signal by communication interface to controller 34.For example, can man-machine interface be set at above-mentioned TT﹠C software, be used for parameters such as input target humidity value, transformation period; These parameters are transferred to controller 34 by observing and controlling software conversion back by computer terminal 55 subsequently.Preferably, 55 when arranging parameter such as target humidity or transformation period to the computer terminal, and controller 34 is in the lock state the parameter input that does not receive the user, that is, computer terminal 55 is set in parameter has higher priority, in order to avoid parameter is obscured.
Fig. 3 is the circuit connection diagram of control system shown in Figure 2.As shown in Figure 3,4 of controller 34 ports are connected the transmission of carrying out signal with PLC port x 201, X202, X203, X204 respectively; Controller 34 also has 4 ports to carry out communication by COM1 RS1, RS2 with computer terminal 55 to be connected, more specifically, wherein two ports are connected with computer terminal 55 communications by COM1 RS1, and two ports are connected with computer terminal 55 communications by COM1 RS2 in addition.
As shown in Figure 3, breaker MCB-18 lower end is connected with first contactor 46, and first contactor 46 is used for the connecting and disconnecting of the circuit of control humidifier 38, and PLC 42 is by first relay, 45 controls, first contactor 46.Be serially connected with second contactor 48 between power regulating eqiupment 36 and first electric heating tube 51, be serially connected with the 3rd contactor 50 between power regulating eqiupment 36 and second electric heating tube 52, PLC 42 is respectively by second relay 47, the 3rd relay 49 this second contactor 48 of control and the 3rd contactors 50.
This PLC is connected with touch-screen 44.In use; click the damping device button at touch-screen 44; enabling signal feeds back to PLC 42; PLC 42 communication port Y520 obtain exporting 24V dc source adhesive first relay 45 (please refer to Fig. 2) behind the signal; thereby the coil of conducting first contactor 46; and then main power source connects energising and input power regulating eqiupment 36; power regulating eqiupment 36 is regulated by the input signal of controller 34 and is exported to electric heating tube 51; 52 power; overheat protection device 10 in the while humidifier 36; the low water level warning circuit; overheat protection device and PLC 42 are connected to whole humidifier 38 safeguard protection are provided; controller 36 is connected with computer terminal 55 by communication interface simultaneously, controls the function of whole system by the TT﹠C software of computer terminal 55.At 34 interceptings of distributor 32 and controller humidity data, and gathered and then be connected with computer terminal 52 by communication port by data acquisition unit 53, controller 34 is connected with PLC 42 port xs 201, X202, X203, X204 and carries out signal and transmit.
Above Humidifier control system of the present invention is set forth.A kind of humidifier of using this control system is described below.
Fig. 4 is the schematic diagram of humidifier of the simulated environment humidity of an embodiment, Fig. 5, Fig. 6 are respectively schematical top view, the side schematic views of this humidifier, Fig. 7 is the cutaway view of the attemperater of this humidifier, Fig. 8 is the cutaway view of the water supply tank of this humidifier, and Fig. 9 is the cutaway view of the steam pipeline of this humidifier.
To shown in Figure 9, this humidifier comprises attemperater 1 and water supply tank 15 as Fig. 4.Attemperater 1 comprises outer case 3 and the inner bag 5 that is installed in the outer case 3, inner bag 5 tops are communicated with steam pipeline 13, inner bag 5 inside are provided with temperature-sensing probe 7 (referring to Fig. 5 and Fig. 7) and electric heating part 9, temperature controller 11 above temperature-sensing probe 7 (with reference to figure 5) and the outer case 3 is connected, and expansion of liquids extruding actuating unit makes humidifier control the disconnection of power supply dead electricity in the probe when temperature reaches required water temperature.Electric heating part 9 is connected with above-mentioned control system.Water supply tank 15 is communicated with by the attemperater filling pipe 17 of bottom and the inner bag 5 of attemperater, be connected to the moisturizing source by water supply tank water inlet pipe 19, be provided with in the water supply tank 15 for the water compensating valve 23 according to water level connection or closed described water supply tank water inlet pipe 19, and be provided with the low water level alarm device, the low water level alarm device is connected with the PLC 42 of control system, to PLC 42 feedback low water level alarm signals.As shown in Figure 8, this low water level alarm device comprises reed switch circuit 26 and the slide block 27 that slides up and down along with the water level height of water supply tank, and the slide block 27 that slides into predeterminated position is down connected described reed switch circuit 27.
As shown in Figure 7, electric heating part 9 can be one or more electric heating tube.As a kind of improvement, lost efficacy for preventing overheated heater, can overheat protection device 10 be installed at heating tube, overheat protection device 10 is connected with the PLC 42 of control system, to PLC 42 heat alarms, provides reliable guarantee thereby move for the long-term safety of electric heating tube.
Again as shown in Figure 7, as a kind of improvement, be provided with heat-preservation cotton 4 between the outer case 3 of attemperater and the inner bag 5.
Again as shown in Figure 8, the top of water supply tank 15 is provided with top cover 21, can open top cover with foreign material in the wash-up tray by handle 22.Preferably, water supply tank 14 is provided with the water level meter so that see the moisture storage capacity water level situation that case is interior intuitively, and case is outside equipped with overflow pipe 16 (with reference to figure 5), in order to discharge the water that overfills by overflow pipe 16 when the moisturizing ball valve loses efficacy.
As shown in Figure 9, to humidifying spraying nozzle 24, shower nozzle 24 sprays water smokes to be mixed with air steam pipeline 13, thereby water vapour is transported in the simulated environment space with the transmission of water vapor that expands.Preferably, steam pipeline 13 appearances also are enclosed with heat-preservation cotton 14.
Electric heat type humidifier has that the humidification amount is big, the fireballing characteristics of humidification, electric heat type humidifier cooperates with control system of the present invention, can realize humidification accurate, automation, for example can be used for the variation of simulated environment humidity and ambient humidity, satisfy industrial demand, enhance productivity.
Above-described embodiment of the present invention does not constitute the restriction to protection domain of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (12)
1. a Humidifier control system is characterized in that, comprising:
Be used for measures ambient humidity and moisture signal be converted into the humidity transmitter (30) of analog signal;
Be connected with humidity transmitter (30), be used for to receive and amplify the distributor (32) of described analog signal;
The controller (34) that is connected with distributor (32), described controller (34) are used for receiving the control parameter and receive the analog signal that described distributor (32) amplifies, and the output control signal;
Be serially connected in the power regulating eqiupment (36) between power supply (40) and the humidifier (38), described power regulating eqiupment (36) also is connected with controller (34), receives the control signal of described controller (34), regulates the power output of described humidifier (38) according to this control signal;
Be serially connected in first contactor (46) between described power regulating eqiupment (36) and the power supply (40);
Programmable Logic Controller (42) and touch-screen (44), described Programmable Logic Controller (42) is used for receiving the control signal of the control signal of described controller (34), the feedback signal of described humidifier (38), described touch-screen (44), and according to closure and the disconnection of the signal that receives by first relay (45) described first contactor of control (46);
Described humidifier (38) comprises first humidifying unit and second humidifying unit, and described first humidifying unit and described second humidifying unit work alone; The feedback signal of described humidifier (38) comprises the low water level alarm signal;
Described humidifier (38) comprises first humidifying unit and second humidifying unit;
Described control system also comprises second contactor (48) that is serially connected between described power regulating eqiupment (36) and this first humidifying unit, is serially connected in the 3rd contactor (50) between described power regulating eqiupment (36) and second humidifying unit;
Described Programmable Logic Controller (42) also is connected with described power regulating eqiupment (36), receive the control signal of power regulating eqiupment (36), by closure and the disconnection of second relay (47) described second contactor of control (48), by closure and the disconnection of the 3rd relay (49) described the 3rd contactor of control (50);
Described first humidifying unit is first electric heating tube (51), and described second humidifying unit is second electric heating tube (52), and described first electric heating tube (51) and described second electric heating tube (52) work alone.
2. Humidifier control system according to claim 1 is characterized in that, the feedback signal of described humidifier (38) comprises the heat alarm of described first electric heating tube (51) and second electric heating tube (52).
3. according to any described Humidifier control system in the claim 1 to 2, it is characterized in that described control system also comprises:
The data acquisition unit (53) that is connected with described distributor (32), data acquisition unit (53) are used for receiving the analog signal that distributor (32) amplifies, and the corresponding data signal of output;
The computer terminal (55) that is connected with described data acquisition unit (53) is used for receiving described data signal and analysis and record humidity and changes.
4. Humidifier control system according to claim 3 is characterized in that, described computer terminal (55) also are used for arranging target humidity value and transformation period, and exports described control parameter by communication interface to described controller (34).
5. humidifier comprises:
Attemperater (1), described attemperater (1) comprises outer case (3) and inner bag (5), inner bag (5) is installed in the outer case (3), inner bag (5) inside is provided with the electric heating part (9) for generation of water vapour, electric heating part (9) is connected with control system, and inner bag (5) top also is communicated with steam pipeline (13);
Water supply tank (15), described water supply tank (15) is communicated with the inner bag (5) of attemperater by the attemperater filling pipe (17) of bottom, be connected to the moisturizing source by water supply tank water inlet pipe (19), be provided with in the water supply tank (15) according to water level and just be communicated with or the water compensating valve (23) of closed described water supply tank water inlet pipe (19) and be provided with the low water level alarm device
It is characterized in that the described control system that is connected with electric heating part (9) comprises:
Be used for measures ambient humidity and moisture signal be converted into the humidity transmitter (30) of analog signal;
Be connected with humidity transmitter (30), be used for to receive and amplify the distributor (32) of described analog signal;
The controller (34) that is connected with distributor (32), described controller (34) are used for receiving the control parameter and receive the analog signal that described distributor (32) amplifies, and the output control signal;
Be serially connected in the power regulating eqiupment (36) between power supply (40) and the humidifier (38), described power regulating eqiupment (36) also is connected with controller (34), receives the control signal of described controller (34), regulates the power output of described humidifier (38) according to this control signal;
Be serially connected in first contactor (46) between described power regulating eqiupment (36) and the power supply (40);
Programmable Logic Controller (42) and touch-screen (44), described Programmable Logic Controller (42) is used for receiving the control signal of the control signal of described controller (34), the feedback signal of described humidifier (38), described touch-screen (44), and according to closure and the disconnection of the signal that receives by first relay (45) described first contactor of control (46);
Described electric heating part (9) comprises first electric heating tube (51) and second electric heating tube (52), and is described
First electric heating tube and described second electric heating tube work alone.
6. humidifier according to claim 5 is characterized in that, the low water level alarm device of described water supply tank (15) is connected with described Programmable Logic Controller (42), to described Programmable Logic Controller (42) feedback low water level alarm signal.
7. humidifier according to claim 6, it is characterized in that, described low water level alarm device comprises reed switch circuit (26) and the slide block (27) that slides up and down along with the water level height of water supply tank, and the slide block (27) that slides into predeterminated position is down connected described reed switch circuit (27).
8. humidifier according to claim 7 is characterized in that:
Described electric heating part (9) comprises first electric heating tube (51) and second electric heating tube (52);
Described control system also comprises second contactor (48) that is serially connected between described power regulating eqiupment (36) and first electric heating tube (51), is serially connected in the 3rd contactor (50) between described power regulating eqiupment (36) and second electric heating tube (52);
Described Programmable Logic Controller (42) also is connected with described power regulating eqiupment (36), receive the control signal of power regulating eqiupment (36), by closure and the disconnection of second relay (47) described second contactor of control (48), by closure and the disconnection of the 3rd relay (49) described the 3rd contactor of control (50).
9. according to each described humidifier in the claim 5 to 8, it is characterized in that, overheat protection device (10) is installed on the described electric heating part (9), described overheat protection device (10) is connected with described Programmable Logic Controller (42), to the heat alarm of the described electric heating part of described Programmable Logic Controller (42) feedback.
10. humidifier according to claim 9 is characterized in that, described control system also comprises:
The data acquisition unit (53) that is connected with described distributor (32), data acquisition unit (53) are used for receiving the analog signal that distributor (32) amplifies, and the corresponding data signal of output;
The computer terminal (55) that is connected with described data acquisition unit (53) is used for receiving described data signal and analysis and record humidity and changes.
11. humidifier according to claim 10 is characterized in that, described computer terminal (55) also are used for arranging target humidity value and transformation period, and export described control parameter by communication interface to described controller (34).
12. humidifier according to claim 10 is characterized in that, is provided with heat-preservation cotton (4) between the outer case of described attemperater (3) and the inner bag (5), described steam pipeline (13) appearance is enclosed with heat-preservation cotton (14).
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| CN2008102203611A CN101749836B (en) | 2008-12-20 | 2008-12-20 | Humidifier control system and humidifier applying same |
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| CN2008102203611A CN101749836B (en) | 2008-12-20 | 2008-12-20 | Humidifier control system and humidifier applying same |
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| CN101749836A CN101749836A (en) | 2010-06-23 |
| CN101749836B true CN101749836B (en) | 2013-07-03 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487552B (en) * | 2010-12-01 | 2015-09-16 | 海尔集团公司 | The controller of a kind of pair of heating tube |
| CN102614076B (en) * | 2011-01-27 | 2014-04-16 | 佛山市顺德区盛熙电器制造有限公司 | Hand and face steam nursing device |
| CN103292438A (en) * | 2013-06-18 | 2013-09-11 | 毛雪斌 | Water level monitoring humidifier |
| CN104456863B (en) * | 2013-09-24 | 2018-05-11 | 珠海格力电器股份有限公司 | Humidifier and control method and circuit thereof |
| CN106705345A (en) * | 2015-11-18 | 2017-05-24 | 成都超网实业有限公司 | Control method of spray humidification amount of combined air conditioner |
| CN105509211B (en) * | 2016-01-22 | 2019-01-18 | 珠海格力电器股份有限公司 | Infrared humidifier |
| CN106851863B (en) * | 2016-12-13 | 2019-08-20 | 珠海格力电器股份有限公司 | Control method and device for humidifying lamp tube and humidifier |
| CN107642860A (en) * | 2017-08-28 | 2018-01-30 | 合肥龙多电子科技有限公司 | A kind of Humidifier control system |
| CN107817861A (en) * | 2017-11-09 | 2018-03-20 | 彩虹集团（邵阳）特种玻璃有限公司 | A kind of device and its control method for reducing cover-plate glass shaping heating circuit loss |
| CN110018374A (en) * | 2019-04-11 | 2019-07-16 | 深圳市宏之都科技有限公司 | A kind of life test apparatus under simulated environment |
| CN110173798B (en) * | 2019-05-30 | 2021-04-27 | 广东美的制冷设备有限公司 | Humidification control method for air conditioner, and storage medium |
| CN111174397A (en) * | 2020-01-11 | 2020-05-19 | 广东泰宏君科学仪器股份有限公司 | A built-in humidifier for pharmaceutical production equipment |
| CN112178851A (en) * | 2020-09-27 | 2021-01-05 | 广州哲阳贸易有限公司 | Can be according to domestic humidifier of air humidity control humidification degree |
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| DE29819950U1 (en) * | 1998-11-07 | 1999-04-08 | Hoffrichter, Helmut, 19057 Schwerin | Heated humidifier |
| CN2616842Y (en) * | 2003-04-15 | 2004-05-19 | 岑伟强 | Step less regulating electric-ehatnig humidifier |
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