CN105509211A - Infrared humidifier - Google Patents
Infrared humidifier Download PDFInfo
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- CN105509211A CN105509211A CN201610044402.0A CN201610044402A CN105509211A CN 105509211 A CN105509211 A CN 105509211A CN 201610044402 A CN201610044402 A CN 201610044402A CN 105509211 A CN105509211 A CN 105509211A
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- circuit
- infrared lamp
- infrared
- output
- thyristor regulating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
- F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
- F24F6/105—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically using the heat of lamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0008—Control or safety arrangements for air-humidification
Abstract
The invention discloses an infrared humidifier which comprises an infrared lamp tube, a humidity sampling circuit, a main control circuit, an output detection circuit and a silicon-controlled voltage regulation circuit. The humidify sampling circuit is electrically connected with the main control circuit and used for collecting environmental humidity data and inputting the same into the main control circuit, the main control circuit is electrically connected with the silicon-controlled voltage regulation circuit and the output detection circuit respectively and used for determining control signals of the silicon-controlled voltage regulation circuit according to the environmental humidity data and output parameters and outputting the control signals to the silicon-controlled voltage regulation circuit, the output detection circuit is electrically connected with the silicon-controlled voltage regulation circuit and used for detecting output parameters of the same and inputting the same into the main control circuit, and the silicon-controlled voltage regulation circuit is electrically connected with the infrared lamp tube and used for regulating the output parameters of the silicon-controlled voltage regulation circuit according to the control circuits to determine heat productivity of the infrared lamp tube. The lamp tube is avoided being frequently switched on and off, so that effects of prolonging service life of the humidifier and saving energy are realized.
Description
Technical field
The embodiment of the present invention relates to air conditioning electrical equipment, particularly relates to a kind of Infrared Humidifier.
Background technology
Infrared Humidifier can make the rapid evaporation under the situation of not seething with excitement of the water in water tank, produces clean steam and is used for air wetting.
Existing Infrared Humidifier inside, all with powerful infrared lamp, can send very high heat after infrared lamp energising, utilize these heats that the water in tank is flashed to water vapour, thus reach the object of humidification.Its control mode is: when humidity sensor detects that indoor humidity is lower, opens infrared lamp at full capacity; After humidity reaches setting value, closing infrared lamp, when indoor humidity being detected again lower than preset lower limit, again opening infrared lamp at full capacity, and after humidity reaches setting value, close infrared lamp, so circulate, control to realize indoor humidity.
But, comparatively large at the starting current of the moment of opening infrared lamp, start infrared lamp continually, the life-span of infrared lamp can be caused to reduce.Because infrared lamp is purely resistive load, its cold-state resistance is lower, the starting current of infrared lamp when powering on comparatively large (such as: the infrared lamp starting current of 1.5KW is up to 40A-50A, and normal operating current is only 6.8A), has very large impact to infrared lamp.In addition, at powered on moment, because the heating of infrared lamp two ends is fast, middle heating is slow, there will be the situation that non-homogeneous expansion is even, easily causes resistance wire to rupture.Meanwhile, for realizing higher caloric value, the power of infrared lamp is general higher, uses the working method of intermitten service at full capacity not have energy-saving effect.
Summary of the invention
The invention provides a kind of Infrared Humidifier, to optimize the control mode of existing humidifier.
Embodiments provide a kind of Infrared Humidifier, comprise infrared lamp, humidity sample circuit, governor circuit, output detection circuit and thyristor regulating volt circuit;
Described humidity sample circuit is electrically connected with described governor circuit, for gathering ambient humidity data, and described ambient humidity data is inputed to described governor circuit;
Described governor circuit is electrically connected with described thyristor regulating volt circuit and output detection circuit respectively, for determining the control signal of described thyristor regulating volt circuit according to described ambient humidity data and output parameter, export described control signal to described thyristor regulating volt circuit;
Described output detection circuit is electrically connected with thyristor regulating volt circuit, for detecting the output parameter of described thyristor regulating volt circuit, described output parameter is inputed to described governor circuit;
Described thyristor regulating volt circuit is electrically connected with described infrared lamp, for regulating the output parameter of described thyristor regulating volt circuit according to described control signal, to regulate the caloric value of described infrared lamp.
Further, described governor circuit specifically for: compare in real time current environment humidity with setting humidity threshold deviate, according to the angle of flow of described deviate adjusted in concert silicon-controlled device, control signal is generated according to the described angle of flow, export described control signal to described thyristor regulating volt circuit, to be added by described silicon-controlled voltage regulation circuit adjustment, moisture is progressive reaches setting humidity threshold.
Further, described output detection circuit comprises voltage sensor, current sensor, voltage transformer or current transformer, and described output parameter comprises output current, output voltage or power output.
Further, described output detection circuit is included in sampling resistor of connecting between described infrared lamp with described thyristor regulating volt circuit, is obtained the electric current of described infrared lamp by the electric current detecting described sampling resistor.
Further, described output detection circuit comprises the resistance between negative electrode and anode being connected in parallel on described thyristor regulating volt circuit, to detect the output voltage of described thyristor regulating volt circuit.
Further; also input detecting circuit is provided with between described thyristor regulating volt circuit and AC power; for detecting input voltage and input current; export described input voltage and input current extremely described governor circuit, to be performed overvoltage protection operation, under-voltage protection operation, overcurrent protection operation, open-phase protection operation and the operation of alternate unbalance protection by described governor circuit.
Further, also comprise temperature sensing circuit, the temperature signal for the infrared lamp by collection inputs to described governor circuit, to perform overheating detection by described governor circuit.
Further, the temperature limiter being arranged at the higher region of infrared lamp caloric value is also comprised.
Further, also comprising water level detection circuit, for gathering the waterlevel data in tank, described waterlevel data being inputed to described governor circuit, controlled unlatching or the closedown of water intaking valve by governor circuit.
Further, described infrared lamp is halogen infrared lamp, and the number of described halogen infrared lamp is at least one, and is parallel relationship between halogen infrared lamp described in each.
The present invention gathers ambient humidity data by humidity sample circuit; Export control signal by governor circuit to thyristor regulating volt circuit according to these ambient humidity data, thyristor regulating volt circuit according to this control signal adjustment output parameter, and then reaches the object of the caloric value controlling infrared lamp; Described output parameter is detected by output detection circuit, and described output parameter is fed back to governor circuit, make governor circuit perform the control signal adjustable strategies of setting according to described output parameter, to adjust the output parameter of thyristor regulating volt circuit, and then regulate the caloric value of infrared lamp.The present invention solves the short and large problem that consumes energy of existing Infrared Humidifier life-span, avoids switch infrared lamp frequently, reaches and extends humidifier life-span and energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of Infrared Humidifier in the embodiment of the present invention one;
Fig. 2 a is the structural representation of a kind of Infrared Humidifier in the embodiment of the present invention two;
Ambient humidity and the graph of a relation of voltage exporting infrared lamp to when Fig. 2 b is a kind of Infrared Humidifier work in the embodiment of the present invention two;
Fig. 3 is the circuit theory diagrams of a kind of output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention three;
Fig. 4 is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention four;
Fig. 5 is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention five;
Fig. 6 a is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention six;
Fig. 6 b is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention six;
Fig. 7 a is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention seven;
Fig. 7 b is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention seven;
Fig. 8 a is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention eight;
Fig. 8 b is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention eight;
Fig. 9 a is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention nine;
Fig. 9 b is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention nine;
Fig. 9 c is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention nine;
Fig. 9 d is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention nine.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
The theory diagram of a kind of Infrared Humidifier that Fig. 1 provides for the embodiment of the present invention one, specifically comprises:
Infrared lamp 140, humidity sample circuit 110, governor circuit 120, output detection circuit 150 and thyristor regulating volt circuit 130;
Described humidity sample circuit 110 is electrically connected with described governor circuit 120, for gathering ambient humidity data, and described ambient humidity data is inputed to described governor circuit 120;
Described governor circuit 120 is electrically connected with described thyristor regulating volt circuit 130 and output detection circuit 150 respectively, for determining the control signal of described thyristor regulating volt circuit 130 according to described ambient humidity data and output parameter, export described control signal to described thyristor regulating volt circuit 130;
Described output detection circuit 150 is electrically connected with thyristor regulating volt circuit 130, for detecting the output parameter of described thyristor regulating volt circuit 130, described output parameter is inputed to described governor circuit 120;
Described thyristor regulating volt circuit 130 is electrically connected with described infrared lamp 140, for regulating the output parameter of described thyristor regulating volt circuit 130 according to described control signal, to regulate the caloric value of described infrared lamp 140.
Wherein, described infrared lamp 140 forms in quartz ampoule tungsten filament being stretched into inflation.Tungsten filament generates heat and gas in heated quarty tube under alternating voltage effect, produces infrared radiation thus, by water by the tank of infrared lamp 140 lower end of the heat of infrared lamp 140 radiation, thus reaches the object of humidification.Tank is preferably disposed on immediately below infrared lamp 140, is convenient to the heat of receiving infrared-ray fluorescent tube 140 radiation, can also be arranged near infrared lamp 140, as long as within the scope of the heat radiation of infrared lamp 140.Preferably, the caloric value of described infrared lamp 140 is determined by the voltage of infrared lamp, electric current or power.
Humidity sample circuit 110, for gathering ambient humidity data, can comprise humidity sensor and peripheral circuit thereof.
Governor circuit 120 comprises control chip and peripheral circuit thereof.Peripheral circuit is used for reception environment humidity data, carries out exporting control chip to after filtering and analog signal turn the operations such as data signal.Current environment humidity data and setting humidity threshold compare according to the algorithm of setting by control chip.When current environment humidity does not reach setting humidity threshold, control signal is adjusted according to current environment humidity and the deviate of setting humidity threshold, and then, the full conducting of silicon-controlled device is made by control signal, output voltage is 220V, humidifier runs with peak power, and to make the water in tank more flash to water vapour, increase sharply ambient humidity.In humidification, current environment humidity and the deviate setting humidity threshold is periodically compared according to the periodic quantity of setting, and according to the output parameter of the transmission of output detection circuit 150 and the angle of flow of described deviate adjusted in concert silicon-controlled device, control signal is generated according to the described angle of flow, export described control signal to described thyristor regulating volt circuit 130, to be regulated the electrical parameter of infrared lamp 140 by described thyristor regulating volt circuit 130, make to add that moisture is progressive reaches setting humidity threshold.Wherein, the output parameter that output detection circuit 150 sends, thyristor regulating volt circuit 130 and governor circuit 120 form a feedback control loop, make the output voltage stabilization of thyristor regulating volt circuit 130, and then when adding moisture and reaching setting humidity threshold, maintain the electrical parameter now exporting infrared lamp 140 to constant, stable infrared line humidifier add moisture, realize the constant control of humidity.But control mode of the prior art is for being set with top limit of humidity and humidity lower limit two threshold values.When indoor humidity is lower than lower limit, opens humidifier middle infrared (Mid-IR) fluorescent tube 140, reach after higher limit until humidity, close humidifier.Indoor humidity fluctuates between upper lower limit value, and its amplitude is comparatively large, cannot arrive steady state value.The control mode of the present embodiment can realize the constant control of indoor humidity compared with the scheme of prior art, without the need to frequently opening or close the object of humidifier (or infrared lamp 140).By the electrical parameter (such as voltage, electric current or power) regulating the angle of flow of silicon-controlled device to realize changing infrared lamp 140, and then, regulate the caloric value of infrared lamp 140, make to add that moisture is progressive reaches setting humidity threshold, and be stabilized in described setting humidity threshold.
Output detection circuit 150 is for detecting output voltage, the output current and power output etc. of thyristor regulating volt circuit 130.Described output detection circuit 150 comprises voltage sensor, current sensor, voltage transformer or current transformer.Optionally, output current detection circuit can be included in sampling resistor of connecting between described infrared lamp 140 with described thyristor regulating volt circuit 130, is obtained the output current of described thyristor regulating volt circuit 130 by the electric current detecting described sampling resistor.Output voltage detecting circuit comprises the resistance between negative electrode and anode being connected in parallel on described thyristor regulating volt circuit 130, to detect the output voltage of described thyristor regulating volt circuit 130.
Thyristor regulating volt circuit 130 is series in AC power and infrared lamp 140 loop, for being regulated the voltage at infrared lamp 140 two ends by the mode of dividing potential drop.Thyristor regulating volt circuit 130 comprises the controlled power device of the forms such as IGCT, metal-oxide half field effect transistor (MOSFET), insulated gate bipolar transistor (IGBT).The control pole of the silicon-controlled device in thyristor regulating volt circuit 130 is electrically connected with control chip, for receiving the control signal that control chip exports, by the internal resistance of this control signal determination silicon-controlled device, and then determine the electrical parameter on series circuit middle infrared (Mid-IR) fluorescent tube 140.Such as, the voltage of the output voltage of AC power and the output end voltage determination infrared lamp 140 of thyristor regulating volt circuit 130 can be passed through, and then using the criterion of the voltage of infrared lamp 140 as infrared lamp 140 caloric value.Or, by detecting the electric current of thyristor regulating volt circuit 130, because thyristor regulating volt circuit 130 is connected with infrared lamp 140, the electric current of infrared lamp 140 can be determined, and then using the criterion of the electric current of infrared lamp 140 as infrared lamp 140 caloric value.Or, can also the electric current of infrared lamp 140 and the performance number of voltage determination infrared lamp 140 be passed through, using the criterion of performance number as infrared lamp 140 caloric value.
The technical scheme of the present embodiment, gathers ambient humidity data by humidity sample circuit 110; Export control signal by governor circuit 120 to thyristor regulating volt circuit 130 according to these ambient humidity data, thyristor regulating volt circuit 130 according to this control signal adjustment output parameter, and then reaches the object of the caloric value controlling infrared lamp 140; Described output parameter is detected by output detection circuit 150, and described output parameter is fed back to governor circuit 120, governor circuit 120 is made to perform the control signal adjustable strategies of setting according to described output parameter, to adjust the output parameter of thyristor regulating volt circuit 130, and then regulate the caloric value of infrared lamp 140.The technical scheme of the present embodiment solves that existing Infrared Humidifier indoor humidity is non-constant, the Infrared Humidifier life-span is short and the large problem that consumes energy, realize indoor humidity constant control and avoid switch infrared lamp 140 frequently, reaching and extend humidifier life-span and energy-conservation effect.
Embodiment two
Fig. 2 a is the structural representation of a kind of Infrared Humidifier in the embodiment of the present invention two.The technical scheme of the present embodiment, on the basis of above-described embodiment, further increases the technical characteristics such as input detecting circuit 205, temperature sensing circuit 208 and water level detection circuit 209, specifically comprises:
Input detecting circuit 205 is also provided with between described thyristor regulating volt circuit 202 and AC power 201; for detecting input voltage and input current; export described input voltage and input current extremely described governor circuit 206, to be performed overvoltage protection operation, under-voltage protection operation, overcurrent protection operation, open-phase protection operation and the operation of alternate unbalance protection by described governor circuit 206.The alternating current that AC power 201 exports, after input detecting circuit 205 carries out input protection, exports the series loop of infrared lamp 203 and thyristor regulating volt circuit 202 to.The silicon-controlled device comprised due to thyristor regulating volt circuit 202 is when the angle of flow is 180 degree, for fully conducting state, now the internal resistance of silicon-controlled device is minimum, pressure drop on silicon-controlled device can be ignored, can think that the voltage at current infrared lamp 203 two ends is 220V, the caloric value of infrared lamp 203 is now the highest.The internal resistance of silicon-controlled device increases along with the reduction of the angle of flow, it can thus be appreciated that the pressure drop on silicon-controlled device also increases gradually, the voltage at infrared lamp 203 two ends reduces gradually, thus the caloric value of infrared lamp 203 reduces gradually.Preferably, described infrared lamp 203 is halogen infrared lamp, and the number of described halogen infrared lamp is at least one, and is parallel relationship between halogen infrared lamp described in each.Flashing to water vapour by arranging many infrared lamps 203 with the water added in tank 204, adding moisture with what increase Infrared Humidifier.Each infrared lamp 203 is set to parallel relationship, if make certain infrared lamp 203 rupture, governor circuit 206 only disconnects the supply line of this infrared lamp 203, and other infrared lamp 203 simultaneously worked still can continue normal work.
Infrared Humidifier can also comprise temperature sensing circuit 208, and the temperature signal for the infrared lamp 203 by collection inputs to described governor circuit 206, to perform overheating detection by described governor circuit 206.When the temperature of infrared lamp 203 being detected higher than the temperature threshold set, governor circuit 206 controls Infrared Humidifier and reports to the police, and can be that indicator lamp flicker is reported to the police, or pass through buzzer warning.Preferably, temperature limiter can also be set in the region that infrared lamp 203 caloric value is higher, realize hardware overtemperature protection.
Infrared Humidifier can also comprise water level detection circuit 209, for gathering the waterlevel data in tank 204, described waterlevel data being inputed to described governor circuit 206, being controlled unlatching or the closedown of water intaking valve by governor circuit 206.When water level being detected lower than the watermark threshold set, controlling water intaking valve by governor circuit 206 and opening, realizing automatic feeding water; When the water yield reaches the watermark threshold of setting, control water intaking valve by governor circuit 206 and close.
The course of work of Infrared Humidifier is: the humidity sensor comprised in humidity sample circuit 210 gathers current environment humidity, by current environment humidity input governor circuit 206.Governor circuit 206 comprises control chip and peripheral circuit thereof.Peripheral circuit is used for reception environment humidity data, carries out exporting control chip to after filtering and analog signal turn the operations such as data signal.Current environment humidity data and setting humidity threshold compare according to the algorithm of setting by control chip.When current environment humidity does not reach setting humidity threshold, control signal is adjusted according to current environment humidity and the deviate of setting humidity threshold, as shown in Figure 2 b, in 0-T1 interval, current environment humidity differs comparatively large with setting humidity thresholding, and the angle of flow of the silicon-controlled device that control chip exports in control signal is 180 degree, makes the complete conducting of silicon-controlled device, the alternating voltage exporting infrared lamp 203 to is 220V, and Infrared Humidifier is run with the maximum moisture that adds.And then have more water to flash to water vapour in tank 204, increase sharply ambient humidity.Detected the output voltage of described thyristor regulating volt circuit 202 by output detection circuit 207, and described output voltage is inputed to control chip.Control chip receives this output voltage coating-forming voltage closed-loop adjustment, reaches the stable effect exporting the voltage of infrared lamp 203 to.
In humidification, compare current environment humidity and the deviate setting humidity threshold in real time, when current environment humidity is close to setting humidity threshold, T1-T2 as described in Fig. 2 b is interval, current environment humidity is less with the deviate of setting humidity threshold, the angle of flow in the control signal that control chip exports reduces gradually, the virtual value of the alternating voltage exporting infrared lamp 203 to is reduced gradually, thus reduce gradually to add moisture, until when reaching setting humidity threshold (add moisture with humidity number of dropouts balances), the voltage at maintenance infrared lamp 203 two ends is constant.
Embodiment three
Fig. 3 is the schematic diagram of a kind of output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention three.The technical scheme of the present embodiment and the difference of above-described embodiment are the further restriction of the physical circuit to described output detection circuit.Described output detection circuit comprises sampling resistor and operational amplifier, and described sampling resistor is series in the loop of described infrared lamp and described thyristor regulating volt circuit.Described sampling resistor is also series at in-phase input end and the inverting input of described operational amplifier, and the output of described operational amplifier is electrically connected with described governor circuit.Realize the output current of thyristor regulating volt circuit to input to governor circuit by sampling resistor and operational amplifier, owing to being series relationship between thyristor regulating volt circuit and infrared lamp, namely the electric current of infrared lamp is equal with the output current of thyristor regulating volt circuit, and then be equivalent to the electric current of infrared lamp to input to governor circuit, reach the effect of closed-loop current control, to maintain the current stabilization of infrared lamp.
Embodiment four
Fig. 4 is the schematic diagram of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention four.The technical scheme of the present embodiment and the difference of above-described embodiment are the further restriction of the physical circuit to described output detection circuit.Described output detection circuit comprises current transformer and current signal treatment circuit.A windings in series of described current transformer is in the loop of described infrared lamp and described thyristor regulating volt circuit.The Secondary Winding of described current transformer exports sensor current signal to described current signal treatment circuit.Described current signal treatment circuit is used for carrying out A/D sampling, rectification and filtering process to described sensor current signal, exports the sensor current signal after process to described governor circuit.Realize the output current of thyristor regulating volt circuit to input to governor circuit by current transformer and current signal treatment circuit, owing to being series relationship between thyristor regulating volt circuit and infrared lamp, namely the electric current of infrared lamp is equal with the output current of thyristor regulating volt circuit, and then be equivalent to the electric current of infrared lamp to input to governor circuit, reach the effect of closed-loop current control, to maintain the current stabilization of infrared lamp.
Embodiment five
Fig. 5 is the schematic diagram of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention five.The technical scheme of the present embodiment and the difference of above-described embodiment are the further restriction of the physical circuit to described output detection circuit.Described output detection circuit comprises Hall element, and a section lead in the loop of described infrared lamp and described thyristor regulating volt circuit is placed in the magnetic field of Hall element, the output of Hall element is electrically connected with described governor circuit.Realize the output current of thyristor regulating volt circuit to input to governor circuit by Hall element, owing to being series relationship between thyristor regulating volt circuit and infrared lamp, namely the electric current of infrared lamp is equal with the output current of thyristor regulating volt circuit, and then be equivalent to the electric current of infrared lamp to input to governor circuit, reach the effect of closed-loop current control, to maintain the current stabilization of infrared lamp.
Embodiment six
Fig. 6 a is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention six.The technical scheme of the present embodiment and the difference of above-described embodiment are the further restriction of the physical circuit to described output detection circuit.Described output detection circuit comprises diode D1, the first resistance R1, the second resistance R2 and the 3rd resistance R3.Wherein, between the T1 pole that is connected in parallel on silicon-controlled device (bidirectional triode thyristor), the sub-series loop of diode D1, the first resistance R1 and the second resistance R2 and T2 pole.One end of 3rd resistance R3 is electrically connected with the common port of the first resistance R1 and the second resistance R2, the other end of the 3rd resistance R3 and the AD (analog to digital conversion) of governor circuit electronic circuit of sampling is connected, for the output voltage of thyristor regulating volt circuit is carried out analog-to-digital conversion process, and according to after the sample frequency sampling of setting, sampled signal is inputed to the main control chip of governor circuit, reach the effect that voltage close loop controls, to maintain the voltage stabilization of infrared lamp.The output of described governor circuit is electrically connected with the control pole of silicon-controlled device, for exporting control signal to silicon-controlled device.
Optionally, can also at the two ends parallel filtering electric capacity of the second resistance R2, to carry out filtering process to output voltage.
Diode D1 is used as halfwave rectifier, optionally, the rectifier bridge of four diode compositions can also be adopted to replace described diode D1, to realize full-wave rectification, as shown in Figure 6 b.
Embodiment seven
Fig. 7 a is the schematic diagram of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention seven.Described output detection circuit comprises diode D1, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and multiplier.Wherein, the positive pole of diode D1 is electrically connected with the T1 pole of silicon-controlled device (bidirectional triode thyristor), diode D1, the first resistance R1 and the second resistance R2 connect formation sub-series loop, between the T1 pole that described sub-series loop is parallel to silicon-controlled device (bidirectional triode thyristor) and T2 pole.One end of 3rd resistance R3 is electrically connected with the common port of the first resistance R1 and the second resistance R2, and the other end of the 3rd resistance R3 is electrically connected with an input of multiplier.Between the in-phase input end that described 4th resistance R4 is also series at described operational amplifier and inverting input.The output of described operational amplifier is electrically connected with another input of multiplier.The output of described multiplier is electrically connected with described governor circuit.The output of described governor circuit is electrically connected with the control pole of silicon-controlled device, for exporting control signal to silicon-controlled device.The technical scheme of the present embodiment realizes the object power output of thyristor regulating volt circuit being inputed to governor circuit, reaches the effect of power closed-loop control, to maintain the power stability of infrared lamp.
Optionally, can also at the two ends parallel filtering electric capacity of the second resistance R2, to carry out filtering process to output voltage.
Diode D1 is used as halfwave rectifier, optionally, the rectifier bridge of four diode compositions can also be adopted to replace described diode D1, to realize full-wave rectification, as shown in Figure 7b.
Embodiment eight
Fig. 8 a is the schematic diagram of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention eight.Described output detection circuit comprises Hall element, diode D1, the first resistance R1, the second resistance R2, the 3rd resistance R3 and multiplier.Wherein, between the T1 pole that is connected in parallel on silicon-controlled device (bidirectional triode thyristor), the sub-series loop of diode D1, the first resistance R1 and the second resistance R2 and T2 pole.One end of 3rd resistance R3 is electrically connected with the common port of the first resistance R1 and the second resistance R2, and the other end of the 3rd resistance R3 is electrically connected with an input of multiplier.One section lead in the loop of described infrared lamp and described thyristor regulating volt circuit is placed in the magnetic field of Hall element, the output of Hall element is electrically connected with another input of described multiplier.The output of described multiplier is electrically connected with described governor circuit.The output of described governor circuit is electrically connected with the control pole of silicon-controlled device, for exporting control signal to silicon-controlled device.The technical scheme of the present embodiment realizes the object power output of thyristor regulating volt circuit being inputed to governor circuit, reaches the effect of power closed-loop control, to maintain the power stability of infrared lamp.
Optionally, can also at the two ends parallel filtering electric capacity of the second resistance R2, to carry out filtering process to output voltage.
Diode D1 is used as halfwave rectifier, optionally, the rectifier bridge of four diode compositions can also be adopted to replace described diode D1, to realize full-wave rectification, as shown in Figure 8 b.
Embodiment nine
Fig. 9 a is the circuit theory diagrams of another output detection circuit of a kind of Infrared Humidifier in the embodiment of the present invention nine.Described output detection circuit comprises the first diode D1, the second diode D2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, current transformer and multiplier.Wherein, between the T1 pole that is connected in parallel on silicon-controlled device (bidirectional triode thyristor), the sub-series loop of the first diode D1, the first resistance R1 and the second resistance R2 and T2 pole.One end of 3rd resistance R3 is electrically connected with the common port of the first resistance R1 and the second resistance R2, and the other end of the 3rd resistance R3 is electrically connected with an input of multiplier.A windings in series of current transformer is in the loop of described infrared lamp and described thyristor regulating volt circuit.Output the 6th resistance R6 in parallel of the Secondary Winding of described current transformer.The sub-series loop of the second diode D2, the 5th resistance R5 and the 4th resistance R4 is parallel to the two ends of the 6th resistance R6.The common port of the 4th resistance R4 and the 5th resistance R5 is electrically connected with another input of multiplier.The output of described multiplier is electrically connected with described governor circuit.The output of described governor circuit is electrically connected with the control pole of silicon-controlled device, for exporting control signal to silicon-controlled device.The technical scheme of the present embodiment realizes the object power output of thyristor regulating volt circuit being inputed to governor circuit, reaches the effect of power closed-loop control, to maintain the power stability of infrared lamp.
Optionally, can also at the two ends parallel filtering electric capacity of the second resistance R2, to carry out filtering process to output voltage.And, can at the two ends parallel filtering electric capacity of the 4th resistance R4, to carry out filtering process to output current.
First diode D1 and the second diode D2, all as halfwave rectifier, optionally, can also adopt the rectifier bridge of four diode compositions to replace described halfwave rectifier diode, to realize full-wave rectification, as shown in Fig. 9 b to 9d.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. an Infrared Humidifier, comprises infrared lamp and humidity sample circuit, it is characterized in that, also comprise: governor circuit, output detection circuit and thyristor regulating volt circuit;
Described humidity sample circuit is electrically connected with described governor circuit, for gathering ambient humidity data, and described ambient humidity data is inputed to described governor circuit;
Described governor circuit is electrically connected with described thyristor regulating volt circuit and output detection circuit respectively, for determining the control signal of described thyristor regulating volt circuit according to described ambient humidity data and output parameter, export described control signal to described thyristor regulating volt circuit;
Described output detection circuit is electrically connected with thyristor regulating volt circuit, for detecting the output parameter of described thyristor regulating volt circuit, described output parameter is inputed to described governor circuit;
Described thyristor regulating volt circuit is electrically connected with described infrared lamp, for regulating the output parameter of described thyristor regulating volt circuit according to described control signal, to regulate the caloric value of described infrared lamp.
2. Infrared Humidifier according to claim 1, is characterized in that, described governor circuit specifically for:
Compare current environment humidity and the deviate setting humidity threshold in real time, according to the angle of flow of described deviate adjusted in concert silicon-controlled device, control signal is generated according to the described angle of flow, export described control signal to described thyristor regulating volt circuit, to be added by described silicon-controlled voltage regulation circuit adjustment, moisture is progressive reaches setting humidity threshold.
3. Infrared Humidifier according to claim 1 and 2, it is characterized in that, described output detection circuit comprises voltage sensor, current sensor, voltage transformer or current transformer, and described output parameter comprises output current, output voltage or power output.
4. Infrared Humidifier according to claim 1, it is characterized in that, described output detection circuit is included in sampling resistor of connecting between described infrared lamp with described thyristor regulating volt circuit, is obtained the output current of described thyristor regulating volt circuit by the electric current detecting described sampling resistor.
5. Infrared Humidifier according to claim 1, is characterized in that, described output detection circuit comprises the resistance between negative electrode and anode being connected in parallel on described thyristor regulating volt circuit, to detect the output voltage of described thyristor regulating volt circuit.
6. Infrared Humidifier according to claim 1; it is characterized in that; also input detecting circuit is provided with between described thyristor regulating volt circuit and AC power; for detecting input voltage and input current; export described input voltage and input current extremely described governor circuit, to be performed overvoltage protection operation, under-voltage protection operation, overcurrent protection operation, open-phase protection operation and the operation of alternate unbalance protection by described governor circuit.
7. Infrared Humidifier according to claim 1, is characterized in that, also comprises temperature sensing circuit, and the temperature signal for the infrared lamp by collection inputs to described governor circuit, to perform overheating detection by described governor circuit.
8. Infrared Humidifier according to claim 7, is characterized in that, also comprises the temperature limiter being arranged at the higher region of infrared lamp caloric value.
9. Infrared Humidifier according to claim 1, is characterized in that, also comprises water level detection circuit, for gathering the waterlevel data in tank, described waterlevel data is inputed to described governor circuit, is controlled unlatching or the closedown of water intaking valve by governor circuit.
10. Infrared Humidifier according to claim 1, is characterized in that, described infrared lamp is halogen infrared lamp, and the number of described halogen infrared lamp is at least one, and is parallel relationship between halogen infrared lamp described in each.
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