CN104338161A - Sterilizing cabinet power control device and method - Google Patents
Sterilizing cabinet power control device and method Download PDFInfo
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- CN104338161A CN104338161A CN201310339144.5A CN201310339144A CN104338161A CN 104338161 A CN104338161 A CN 104338161A CN 201310339144 A CN201310339144 A CN 201310339144A CN 104338161 A CN104338161 A CN 104338161A
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Abstract
The invention discloses a sterilizing cabinet power control device and method. The device utilizes a temperature detection unit to detect the temperature in a high temperature sterilization room of a sterilization cabinet by using a temperature detection unit and provides the temperature to a microcontroller; the microcontroller according to the temperature in the high temperature sterilization room controls the turn-on / off state of a power switching device, thus changing the heating power of a heating member to realize heating by different heating power in different temperature stages in the high temperature sterilization room. When the disinfection cabinet just starts, large heating power is employed to shorten the heating time; when the temperature in the high temperature disinfection room reaches a first preset temperature, small power is employed for heating to reduce the power consumption in the guarantee of high temperature sterilization; and the entire process of heating disinfection of the disinfection cabinet uses a variable power control mode to reduce the overall power consumption of the disinfection cabinet.
Description
Technical field
The application relates to disinfection cabinet technical field, particularly relates to a kind of disinfection cabinet output control device and method.
Background technology
Existing disinfection cabinet high-temperature sterilization room adopts single power continuous heating mode substantially, and its power is general lower, and usually between 250W ~ 350W, its heating power is less, and temperature-rise period is slow, and disinfecting time is longer, and power consumption is large.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of disinfection cabinet output control device and method, and to realize adopting variable power to carry out the mode heated up stage by stage, shorten the heating-up time, reduce the wastage simultaneously, technical scheme is as follows:
The application provides a kind of disinfection cabinet output control device, comprising: temperature detecting unit, device for power switching, microcontroller and heater element;
Described device for power switching is serially connected between power supply and described heater element, and the control end of described device for power switching connects the first outfan group of described microcontroller; The outfan of described temperature detecting unit connects the first input end of described microcontroller, described temperature detecting unit is for detecting the temperature of the high-temperature sterilization indoor of disinfection cabinet, obtain temperature detection signal, and described temperature detection signal is fed back to described microcontroller;
Described microcontroller is used for, and when detecting that described temperature detection signal is less than the first preset temperature, controls the state of the ON/OFF of described device for power switching, and described heater element is heated with the first predetermined power; When detecting that described temperature detection signal is not less than the second preset temperature, control the ON/OFF state of described device for power switching, described heater element is heated with the second predetermined power; When detecting that described temperature detection signal is not less than the 3rd preset temperature, control the ON/OFF state of described device for power switching, described heater element is heated with the 3rd predetermined power, wherein said first predetermined power is greater than described second predetermined power, and described second predetermined power is greater than described 3rd predetermined power.
Preferably, described heater element is a resistive heater part;
Described microcontroller controls the heating power of described heater element by the ON time controlling described device for power switching.
Preferably, described heater element comprises multiple heating element heater, described device for power switching comprises and described heating element heater gauge tap one to one, described each heating element heater is all connected a gauge tap, and the control end of described gauge tap connects the different outfans in the first outfan group of described microcontroller respectively;
Described microcontroller, by controlling the ON/OFF state of described multiple gauge tap, controls the heating power of described heater element.
Preferably, also comprise the first isolated location, the first input end of described first isolated location connects DC source by the first current-limiting resistance, second input connects the first input end group of microcontroller, first outfan connects the first end of described device for power switching by the 3rd current-limiting resistance, second outfan connects the control end of described device for power switching, for the light current of the forceful electric power and described microcontroller of isolating described power supply.
Preferably, described first isolated location also comprises the first switching tube, the control end of described first switching tube connects the first outfan group of described microcontroller by the second current-limiting resistance, the first end of described first switching tube connects the second input of described first isolated location, and the second end of described first switching tube connects earth terminal.
Preferably, described device for power switching is bidirectional thyristor, the first end of described bidirectional thyristor is the first end of described power switch pipe, and the second end of described bidirectional thyristor is the second end of described power switch pipe, and the grid of described bidirectional thyristor is the control end of described power switch pipe.
Preferably, described device for power switching comprises the first relay and the second relay;
One end of the coil of described first relay connects DC source, and the other end connects the first outfan of the first outfan group of described microcontroller, and a pair normally opened contact of described first relay is series between the live wire of power supply and described heater element;
One end of the coil of described second relay connects described DC source, and the other end connects the second outfan of the first outfan group of described microcontroller, and a pair normally opened contact of described second relay is series between the zero line of power supply and described heater element.
Preferably, described device for power switching also comprises the 3rd switching tube and the 4th switching tube;
The coil of described first relay of first end connection of described 3rd switching tube does not connect one end of DC source, and the second end of described 3rd switching tube connects earth terminal, and the control end of described 3rd switching tube connects the first outfan of described microcontroller;
The coil of described second relay of first end connection of described 4th switching tube does not connect one end of DC source, and the second end of described 4th switching tube connects earth terminal, and the control end of described 4th switching tube connects the second outfan of described microcontroller.
Preferably, described device for power switching also comprises: the first diode and the second diode;
The anode of described first diode connects the first end of described 3rd switching tube, and negative electrode connects one end of the coil connection DC source of described first relay;
The anode of described second diode connects the first end of described 4th switching tube, and negative electrode connects one end of the coil connection DC source of described second relay.
Preferably, also comprise zero passage detection unit, the input of described zero passage detection unit connects the live wire of described power supply, and outfan connects the second input of described microcontroller, for detecting the zero crossing information of described power supply, and is supplied to described microcontroller.
Preferably, described zero passage detection unit comprises: the first divider resistance, the second divider resistance, the second isolated location and second switch pipe;
Described first divider resistance and described second divider resistance are connected between the live wire of power supply and zero line;
The first input end of described second isolated location and the second input are parallel to the two ends of described second divider resistance, and the first outfan connects the control end of described switching tube, and the second outfan connects the second end of described second switch pipe;
The first end of described second switch pipe connects DC source by the 4th current-limiting resistance, and described first end connects the second input of described microcontroller by the 5th current-limiting resistance.
Preferably, described temperature detecting unit comprises: temperature sensor, filter capacitor, divider resistance and the 6th current-limiting resistance;
Described filter capacitor is connected between the output and ground of described temperature sensor;
Described divider resistance is connected in parallel on the two ends of described filter capacitor;
One end of described 6th current-limiting resistance connects the outfan of described temperature sensor, and the other end connects the 3rd input of described microcontroller.
Preferably, also comprise capacitance-resistance module, described capacitance-resistance wired in parallel is between the first end and the second end of described device for power switching.
The application also provides a kind of disinfection cabinet Poewr control method, is applied to disinfection cabinet, the device for power switching that described disinfection cabinet at least comprises heater element and connects with described heater element, and described method comprises:
Control heater part heats with the first predetermined power;
When the temperature of high-temperature sterilization indoor disinfection cabinet being detected rises to the first preset temperature, the heating power controlling described heater element is reduced to the second predetermined power from described first predetermined power;
When the temperature of high-temperature sterilization indoor disinfection cabinet being detected rises to the second preset temperature, the heating power controlling described heater element is reduced to the 3rd predetermined power from described second predetermined power, remains the 4th preset temperature to make the temperature of described high-temperature sterilization indoor in preset time period.
Preferably, described heater element is the uncontrollable resistive heater part of power, and described heater element connects power supply by device for power switching, then the process reducing the heating power of described heater element is specially:
Control described switching device Discontinuous Conduction, to make the intermittent heat of described heater element, make the heating power of described heater element be down to the second predetermined power.
Preferably, described heater element is the heater element combination of multiple predetermined power, and each described heater element is all by connecting power supply with gauge tap, then the process reducing the heating power of described heater element is specially:
The on off operating mode of gauge tap device, to make the heating power of described multiple heater element combination be the second predetermined power.
The technical scheme provided from above the embodiment of the present application, described disinfection cabinet output control device and method, adopt variable power control by stages mode, the first stage, adopt the first larger predetermined power continuous heating of numerical value that the temperature of high-temperature sterilization indoor is raised rapidly; Second stage, when the temperature of high-temperature sterilization indoor is increased to the first preset temperature, adopts the second predetermined power being less than the first predetermined power to heat, makes the temperature of high-temperature sterilization indoor slowly rise to the second preset temperature; Phase III adopts the 3rd predetermined power being less than the second predetermined power to heat, and makes the temperature of high-temperature sterilization indoor in preset time period, remain the 3rd preset temperature.Described disinfection cabinet output control device and method, when disinfection cabinet is just started shooting, adopt the first larger predetermined power to heat, the temperature of high-temperature sterilization indoor raised rapidly, compared with traditional single low-power heating mode, substantially reduce the heating-up time; After the temperature of high-temperature sterilization indoor is increased to the first preset temperature, the second less predetermined power is adopted to heat, temperature in high-temperature disinfection cabinet is slowly raised, because the numerical value of the second predetermined power is less, therefore, this stage, while the high temperature sterilization ensureing disinfection cabinet, reduces power consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 a is the structural representation of a kind of disinfection cabinet output control device of the embodiment of the present application;
Fig. 1 b is the structural representation of the another kind of disinfection cabinet output control device of the embodiment of the present application;
Fig. 1 c is the electrical block diagram of a kind of power model of the embodiment of the present application;
Fig. 1 d is the electrical block diagram of the another kind of power model of the embodiment of the present application;
Fig. 2 is the structural representation of the another kind of disinfection cabinet output control device of the embodiment of the present application;
Fig. 3 is the circuit diagram of a kind of zero passage detection unit of the embodiment of the present application;
Fig. 4 is the circuit diagram of a kind of temperature detecting unit of the embodiment of the present application;
Fig. 5 is the schematic flow sheet of a kind of disinfection cabinet Poewr control method of the embodiment of the present application.
Detailed description of the invention
The embodiment of the present application provides a kind of disinfection cabinet output control device and method, wherein, described sterilization adopts the heating power of variable power control by stages mode control heater part to Poewr control method, in the stage that disinfection cabinet has just been started shooting, the first larger predetermined power is adopted to continue to heat, the temperature of high-temperature sterilization indoor is raised rapidly, thus shortens the heating-up time of disinfection cabinet; Second stage, temperature when high-temperature sterilization indoor rises to the first preset temperature (such as, high-temperature sterilization point temperature 120 DEG C) time, less the second predetermined power (such as 300W-400W) is adopted to heat, make the temperature of high-temperature sterilization indoor slowly be increased to the second preset temperature (such as 130 DEG C), while ensureing disinfecting power, reduce power consumption; Phase III, further reduction heating power, the temperature of high-temperature sterilization indoor is made in preset time period, to remain the 3rd preset temperature (such as, 125 DEG C), after reaching preset time period, heater element described in phase down, make the temperature of high-temperature sterilization indoor be reduced to safe temperature, disinfecting process terminates.
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
Refer to Fig. 1 a-Fig. 1 d, Fig. 1 a shows the structural representation of a kind of disinfection cabinet output control device of the embodiment of the present application, and Fig. 1 b shows the structural representation of the another kind of disinfection cabinet output control device of the embodiment of the present application; Fig. 1 c shows the electrical block diagram of a kind of power model of the embodiment of the present application.Fig. 1 d shows another electrical block diagram of the another kind of power model of the embodiment of the present application.
As shown in Figure 1a, described disinfection cabinet output control device comprises: microcontroller 1, temperature detecting unit 2, device for power switching 3, heater element 4, and wherein, described device for power switching, heater element form power model.
Device for power switching 3 comprises first end, the second end and control end, and wherein, first end and the second end are series between the live wire L of power supply and heater element 4, and control end is connected to the first outfan group of microcontroller 1; Wherein, device for power switching 3 can be realized by bidirectional thyristor.
The outfan of temperature detecting unit 2 connects the first input end of microcontroller 1, and the temperature detection signal of the high-temperature sterilization indoor of the disinfection cabinet detected is fed back to microcontroller 1, and wherein, temperature detecting unit 2 can be realized by temperature sensor.
Microcontroller 1 controls the ON/OFF state of device for power switching according to the temperature detection signal that temperature detecting unit 2 feeds back, and concrete control procedure comprises following three phases:
First stage, in the stage that disinfection cabinet has just been started shooting, microcontroller 1 exports control signal, control device for power switching 3 conducting, to make heater element 4 heat with the first predetermined power (such as, 400W-800W) that numerical value is larger, the temperature of high-temperature sterilization indoor is raised rapidly;
Second stage, when detecting that the temperature of high-temperature sterilization indoor is not less than the first preset temperature (high-temperature sterilization point, as 120 DEG C) time, control the ON/OFF state of device for power switching, heater element 4 is heated with the second predetermined power (such as, 300W-400W), and the temperature of high-temperature sterilization indoor slowly raises, thus while ensure that sterilizing ability, reduce power consumption;
Phase III, when detecting that the temperature of high-temperature sterilization indoor is not less than the second preset temperature (such as, 130 DEG C) time, control the ON/OFF state of device for power switching, make heater element 4 with the 3rd predetermined power (such as, 200W-250W) heat, the temperature of high-temperature sterilization indoor is made in preset time period, to keep the 3rd preset temperature (such as, 125 DEG C), after reaching preset time period, export the control signal controlling device for power switching and turn off, heater element 4 is made to stop heating, after the temperature of high-temperature sterilization indoor is reduced to safe temperature, disinfecting process terminates.
Wherein, preset time period is the disinfecting time of setting, and the 3rd preset temperature is a certain temperature value of more than high-temperature sterilization point, and this stage is the sterilisation stage of disinfection cabinet.
During concrete enforcement, dissimilar according to heater element, by controlling the ON/OFF state of device for power switching, the process changing the heating power of heater element 4 is also different, specifically comprises following two kinds of situations:
1) heater element is single resistive heater part
Microcontroller is by controlling the ON time of device for power switching, and the heating power of control heater part, ON time is longer, and the heating power of heater element is larger, otherwise ON time is longer, and the heating power of heater element is less.
2) heater element is the combination of multiple single resistive heating element, and device for power switching comprises and heating element heater gauge tap one to one
Each heating element heater is all connected a gauge tap, and the control end of gauge tap connects the different outfan of microcontroller respectively.
Microcontroller is by controlling the ON/OFF state of gauge tap, and control the quantity of the heating element heater of place in circuit, the quantity of the heating element heater in place in circuit is more, and heating power is larger, otherwise heating power is less.
As shown in Figure 1 b, the power model shown in Fig. 1 a also comprises the first forceful electric power of isolated location 5, first isolated location 5 for insulating power supply and light current of microcontroller, realizes strong and weak electricity and is separated, safety and reliability.
Concrete, as illustrated in figure 1 c, first isolated location 5 can be realized by photo-coupler U1, and device for power switching realizes especially by bidirectional thyristor SCR1, and the first end of SCR1, the second end, grid are first end, the second end, the grid of device for power switching respectively.
The first input end (positive pole of diode) of photo-coupler U1 connects DC source VDD by current-limiting resistance R01, and the second input (negative pole of diode) connects the first outfan of microcontroller 1.
First outfan (first end of photoelectricity IGCT) of photo-coupler U1 connects the first end of SCR1 by current-limiting resistance R03, simultaneously, the first end of SCR1 connects the live wire L of power supply, and second outfan (the second end of photoelectricity IGCT) of photo-coupler U1 connects the grid of SCR1; Second end of SCR1 connects one end of heater element 4.
Preferably, as illustrated in figure 1 c, described first isolated location also comprises the first switching tube Q1, and the first end of Q1 connects the second input of described photo-coupler, second end of Q1 connects earth terminal, and control end connects the first outfan IC1 of microcontroller by current-limiting resistance R02.
As shown in Figure 1 d, described device for power switching can comprise the first relay K 1, second relay K 2, switching tube Q3, switching tube Q4, diode D2 and diode D3.
One end of the coil of K1 connects DC source (DC source of+12V), the first end of other end connecting valve pipe Q3, and a pair normally opened contact of K1 is series between power firestreak L and heater element 4, and K1 is for controlling the on/off of the live wire L of power supply; Second end of Q3 connects earth terminal, and control end connects the first outfan IC11 in the first outfan group of microcontroller; The anode of D2 connects the first end of Q3, and the negative electrode of D2 connects one end of the coil connection DC source of K1;
One end of the coil of K2 connects DC source (DC source of+12V), the first end of other end connecting valve pipe Q4, and a pair normally opened contact of K2 is series between zero-power line N and heater element 4, and K2 is for controlling the on/off of the zero line N of power supply; Second end of Q4 connects earth terminal, and control end connects the second outfan IC12 in the first outfan group of microcontroller; The anode of D3 connects the first end of Q4, and the negative electrode of D3 connects one end of the coil connection DC power supply terminal of K2.
Wherein, switching tube Q3 and Q4 can be realized by audion, and the first end of the current collection of audion very switching tube, launch the second end of very switching tube, base stage is the control end of switching tube.
The effect of diode D2 and D3 is voltage disturbance when reducing relay K 2, K3 power-off, reduces the ripple voltage of power supply.
The work process of the device for power switching that the present embodiment provides is as follows:
When the first outfan IC11 of microcontroller exports high level signal, switching tube Q3 conducting, the one end making the coil of K1 connect Q3 connects earth terminal, and the coil of K1 obtains electric, the normally opened contact of K1 is closed, thus connects heater element 4 and power firestreak L;
When the second outfan IC12 of microcontroller exports high level signal, switching tube Q4 conducting, the one end making the coil of K2 connect Q4 connects earth terminal, and the coil of K2 obtains electric, the normally opened contact of K2 is closed, thus connects heater element 4 and zero-power line N.
The work process of the disinfection cabinet output control device that the present embodiment provides is as follows:
When microcontroller export control device for power switching conducting control signal (as, high level signal) time, switching tube Q1 conducting, make photo-coupler conducting, and then make the control end of device for power switching 3 be connected to the live wire L of power supply by current-limiting resistance, device for power switching 3 conducting, connects the circuit between heater element 4 and power firestreak L, heater element is heated;
When microcontroller export the control signal contrary with the level of the control signal of control device for power switching conducting (as, low level signal) time, switching tube Q1 turns off, photo-coupler does not work, device for power switching turns off, circuit between heater element 4 and power firestreak L is disconnected, and heater element does not work.
The disinfection cabinet output control device that the present embodiment provides, the temperature utilizing temperature detecting unit to detect the high-temperature sterilization indoor of disinfection cabinet is supplied to microcontroller, microcontroller is according to the temperature conditions of high-temperature sterilization indoor, control the ON/OFF state of device for power switching, thus change the heating power of heater element, the different temperature stage realizing high-temperature sterilization indoor adopts different heating powers to heat, in the stage that disinfection cabinet has just been started shooting, adopt larger heating power to heat, shorten the heating-up time; When the temperature of high-temperature sterilization indoor reaches the first preset temperature, less heating power is utilized to heat, while guarantee high temperature sterilization, reduce power consumption, the overall process of the intensification sterilization of disinfection cabinet adopts variable power control mode to reduce the complete machine power consumption of disinfection cabinet.
Preferably; see Fig. 1 b; described disinfection cabinet output control device also comprises capacitance-resistance module RC; wherein; capacitance-resistance module comprises the resistance and electric capacity that are connected in series; capacitance-resistance wired in parallel is in the two ends of device for power switching, and for the instantaneous large voltage disturbance signal of the Q1 conducting of delivered power switching device or shutdown moment, thus protection device for power switching can not damage because bearing too high counter voltage.
Refer to Fig. 2 and Fig. 3, Fig. 2 shows the structural representation of the another kind of disinfection cabinet output control device of the application, with the structure shown in Fig. 1 a unlike, described disinfection cabinet output control device also comprises: zero passage detection unit 6, for detecting the zero-acrross ing moment of the power supply that heater element connects, thus control device for power switching in the conducting of power supply zero-acrross ing moment or shutoff, realize the no-voltage ON/OFF of device for power switching, reduce the heating of device for power switching, reduce the power attenuation of device for power switching.
The input of zero passage detection unit 6 connects the live wire of power supply, and outfan connects the second input of microcontroller 1.
Refer to Fig. 3, zero passage detection unit comprises: the first divider resistance, the second divider resistance R20, the second isolated location U2, switching tube Q2.
Preferably, first divider resistance comprises the first resistance R1, the second resistance R2, the 3rd resistance R3 and the 4th resistance R4, wherein, first resistance R1 and the second resistance R2 parallel connection obtain the first parallel branch, 3rd resistance R3 and the 4th resistance R4 parallel connection obtain the second parallel branch, first parallel branch and the series connection of the second parallel branch, and connect with the second divider resistance R20;
Second isolated location U2 is photo-coupler, its first input end (anode of diode) and the second input (negative electrode of diode) are connected in parallel on the two ends of the second divider resistance R20, the control end of the first outfan (colelctor electrode of phototriode) the connecting valve pipe Q2 of photo-coupler, the second outfan (emitter stage of phototriode) connects earth terminal.
Simultaneously, the control end of switching tube Q2 connects DC source VDD by current-limiting resistance R5 and pull-up resistor R6, the first end of switching tube Q2 connects DC source VDD by pull-up resistor R7, and meanwhile, described first end connects the second input of microcontroller 1 by current-limiting resistance R8.
Wherein, switching tube Q2 can be realized by audion, and control end is the base stage of audion, and first end is colelctor electrode, and the second end is emitter stage; DC source VDD can be 5V DC source.
Preferably, zero passage detection unit also comprises: filter capacitor C1, C2 and C3, wherein, filter capacitor C1 is parallel between two inputs of the second isolated location, filter capacitor C2 is parallel between two outfans of the second isolated location, filter capacitor C3 is parallel between the control end of switching tube Q2 and the second end, between one end that filter capacitor C4 is parallel to current-limiting resistance R8 connection microcontroller and earth terminal.The effect of above-mentioned filter capacitor C1-C4 is all filter actions, ensure that the accuracy of detection of zero passage detection unit.
Preferably, zero passage detection unit also comprises the diode D1 being parallel to the second divider resistance two ends, the anode of diode D1 connects the zero line of power supply, negative electrode connects the common port of the first divider resistance and the second divider resistance, for when power-half cycle, by the voltage clamp between two of the second isolated location inputs at 0.7V, thus ensure that the second isolated location can not damage owing to exceeding self withstand voltage.
The work process of the zero cross detection circuit that the present embodiment provides is as follows:
The live wire L of power supply and zero line N is sinusoidal wave, R20 and the first divider resistance dividing potential drop be made up of R1, R2, R3, R4, when supply voltage zero crossing, voltage on R20 is less than the forward conduction voltage on the second isolated location U2, therefore the second isolated location U2 does not work, the base stage of audion Q2 is connected 5V DC source by current-limiting resistance R5 with pull-up resistor R6, base stage is high level, now, audion Q2 conducting, make audion Q2 current collection very low level, therefore, the second input input low level of microcontroller.
When supply voltage is in non-zero crossing, voltage on R20 is greater than the forward conduction voltage on the second isolated location U2, U2 works and the output voltage of its conducting is less than 0.7V, the pressure reduction between the base stage of audion Q2 and emitter stage is made to be less than 0.7V, now, audion Q2 is in cut-off state, and the colelctor electrode of audion Q2 connects+5V DC source by pull-up resistor R7, the i.e. current collection of audion Q2 very high level, now the second input input high level of microcontroller.By the low and high level of the signal of telecommunication that detection second input inputs, microcontroller judges whether power supply is in zero crossing state.
Simultaneously, when first divider resistance is different with the resistance of the second divider resistance, be applied to the supply voltage needed for photo-coupler conducting voltage (about about 1V) on the first divider resistance just different, therefore, the resistance changing this this two divider resistances can adjust power supply zero passage point value.
The disinfection cabinet output control device that the present embodiment provides, add zero passage detection unit, detect the zero-acrross ing moment of power supply, thus control device for power switching in the conducting of power supply zero-acrross ing moment or shutoff, realize the no-voltage ON/OFF of device for power switching, reduce the heating of device for power switching, reduce the power attenuation of device for power switching.
Refer to Fig. 4, show the circuit diagram of a kind of temperature detecting unit of the embodiment of the present application, described temperature detecting unit comprises temperature sensor CN1, filter capacitor C5, C6 and C7, divider resistance R9 and current-limiting resistance R10.
Filter capacitor C5 and C6 is all connected in parallel between the output and ground of temperature sensor CN1, C7 be parallel to that current-limiting resistance R10 is connected with the first input end IC1 of microcontroller 1 between one end and earth terminal, C5, C6, C7, all for filtering, reduce ripple voltage, strengthen antistatic effect;
Divider resistance R9 is parallel between the output and ground of temperature sensor, and current-limiting resistance R10 is connected between temperature sensor and the first input end of microcontroller, and the resistance of R9 and R10 needs to mate according to the resistance of temperature sensor.
Temperature sensor CN1 responds to the temperature of the high-temperature sterilization chamber interior of disinfection cabinet, and the signal of telecommunication exporting correspondence is supplied to microcontroller.
Corresponding to device embodiment above, the application also provides a kind of disinfection cabinet Poewr control method, and described method is applied to disinfection cabinet, the device for power switching that described disinfection cabinet at least comprises heater element and connects with heater element, refer to Fig. 5, said method comprising the steps of:
501, control heater part heats with the first predetermined power;
By controlling the ON/OFF state of device for power switching, the heating power of control heater part, this stage control heater element heats with peak power, rises rapidly with the temperature of the high-temperature sterilization indoor making disinfection cabinet.
502, when the temperature of high-temperature sterilization indoor disinfection cabinet being detected rises to the first preset temperature, the heating power controlling described heater element is reduced to the second predetermined power from described first predetermined power;
Temperature when high-temperature sterilization indoor is elevated to high-temperature sterilization point (such as, 120 DEG C) time, control heater part continues heating with less heating power, and this stage adopts the heating of lower heating power to make the temperature of high-temperature sterilization indoor slowly increase, while ensureing high temperature sterilization, reduce power consumption.
503, when the temperature of high-temperature sterilization indoor disinfection cabinet being detected rises to the second preset temperature, the heating power controlling described heater element is reduced to the 3rd predetermined power from described second predetermined power, remains the 3rd preset temperature to make the temperature of described high-temperature sterilization indoor in preset time period.
During concrete enforcement, dissimilar according to heater element, by controlling the ON/OFF state of device for power switching, the process changing the heating power of heater element is also different, specifically comprises following two kinds of situations:
1) heater element is single resistive heater part
Microcontroller is by controlling the ON time of device for power switching, and the heating power of control heater part, ON time is longer, and the heating power of heater element is larger, otherwise ON time is longer, and the heating power of heater element is less.
2) heater element is the combination of multiple single resistive heating element, and device for power switching comprises and heating element heater gauge tap one to one
Each heating element heater is all connected a gauge tap, and the control end of gauge tap connects the different outfan of microcontroller respectively.
Microcontroller is by controlling the ON/OFF state of gauge tap, and control the quantity of the heating element heater of place in circuit, the quantity of the heating element heater in place in circuit is more, and heating power is larger, otherwise heating power is less.
The disinfection cabinet Poewr control method that the present embodiment provides, adopt variable power control by stages mode, larger heating power is adopted to heat in the stage that disinfection cabinet has just been started shooting, greatly shorten the heating-up time of high-temperature sterilization indoor, after the temperature of high-temperature sterilization indoor is increased to the first preset temperature, the second less predetermined power is adopted to heat, temperature in high-temperature disinfection cabinet is slowly raised, because the numerical value of the second predetermined power is less, therefore, this stage, while the high temperature sterilization ensureing disinfection cabinet, reduces power consumption.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.
The above is only the detailed description of the invention of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (16)
1. a disinfection cabinet output control device, is characterized in that, comprising: temperature detecting unit, device for power switching, microcontroller and heater element;
Described device for power switching is serially connected between power supply and described heater element, and the control end of described device for power switching connects the first outfan group of described microcontroller;
The outfan of described temperature detecting unit connects the first input end of described microcontroller, described temperature detecting unit is for detecting the temperature of the high-temperature sterilization indoor of disinfection cabinet, obtain temperature detection signal, and described temperature detection signal is fed back to described microcontroller;
Described microcontroller is used for, and when detecting that described temperature detection signal is less than the first preset temperature, controls the state of the ON/OFF of described device for power switching, and described heater element is heated with the first predetermined power; When detecting that described temperature detection signal is not less than the second preset temperature, control the ON/OFF state of described device for power switching, described heater element is heated with the second predetermined power; When detecting that described temperature detection signal is not less than the 3rd preset temperature, control the ON/OFF state of described device for power switching, described heater element is heated with the 3rd predetermined power, wherein said first predetermined power is greater than described second predetermined power, and described second predetermined power is greater than described 3rd predetermined power.
2. disinfection cabinet output control device according to claim 1, is characterized in that, described heater element is a resistive heater part;
Described microcontroller controls the heating power of described heater element by the ON time controlling described device for power switching.
3. disinfection cabinet output control device according to claim 1, it is characterized in that, described heater element comprises multiple heating element heater, described device for power switching comprises and described heating element heater gauge tap one to one, described each heating element heater is all connected a gauge tap, and the control end of described gauge tap connects the different outfans in the first outfan group of described microcontroller respectively;
Described microcontroller, by controlling the ON/OFF state of described multiple gauge tap, controls the heating power of described heater element.
4. the disinfection cabinet output control device according to any one of claim 1-3, it is characterized in that, also comprise the first isolated location, the first input end of described first isolated location connects DC source by the first current-limiting resistance, second input connects the first input end group of microcontroller, first outfan connects the first end of described device for power switching by the 3rd current-limiting resistance, second outfan connects the control end of described device for power switching, for the light current of the forceful electric power and described microcontroller of isolating described power supply.
5. disinfection cabinet output control device according to claim 4, it is characterized in that, described first isolated location also comprises the first switching tube, the control end of described first switching tube connects the first outfan group of described microcontroller by the second current-limiting resistance, the first end of described first switching tube connects the second input of described first isolated location, and the second end of described first switching tube connects earth terminal.
6. the disinfection cabinet output control device according to any one of claim 1-3,5, it is characterized in that, described device for power switching is bidirectional thyristor, the first end of described bidirectional thyristor is the first end of described power switch pipe, second end of described bidirectional thyristor is the second end of described power switch pipe, and the grid of described bidirectional thyristor is the control end of described power switch pipe.
7. the disinfection cabinet output control device according to any one of claim 1-3,5, is characterized in that, described device for power switching comprises the first relay and the second relay;
One end of the coil of described first relay connects DC source, and the other end connects the first outfan of the first outfan group of described microcontroller, and a pair normally opened contact of described first relay is series between the live wire of power supply and described heater element;
One end of the coil of described second relay connects described DC source, and the other end connects the second outfan of the first outfan group of described microcontroller, and a pair normally opened contact of described second relay is series between the zero line of power supply and described heater element.
8. disinfection cabinet output control device according to claim 7, is characterized in that, described device for power switching also comprises the 3rd switching tube and the 4th switching tube;
The coil of described first relay of first end connection of described 3rd switching tube does not connect one end of DC source, and the second end of described 3rd switching tube connects earth terminal, and the control end of described 3rd switching tube connects the first outfan of described microcontroller;
The coil of described second relay of first end connection of described 4th switching tube does not connect one end of DC source, and the second end of described 4th switching tube connects earth terminal, and the control end of described 4th switching tube connects the second outfan of described microcontroller.
9. disinfection cabinet output control device according to claim 8, is characterized in that, described device for power switching also comprises: the first diode and the second diode;
The anode of described first diode connects the first end of described 3rd switching tube, and negative electrode connects one end of the coil connection DC source of described first relay;
The anode of described second diode connects the first end of described 4th switching tube, and negative electrode connects one end of the coil connection DC source of described second relay.
10. the disinfection cabinet output control device according to any one of claim 1-3,5, it is characterized in that, also comprise zero passage detection unit, the input of described zero passage detection unit connects the live wire of described power supply, outfan connects the second input of described microcontroller, for detecting the zero crossing information of described power supply, and be supplied to described microcontroller.
11. disinfection cabinet output control devices according to claim 10, is characterized in that, described zero passage detection unit comprises: the first divider resistance, the second divider resistance, the second isolated location and second switch pipe;
Described first divider resistance and described second divider resistance are connected between the live wire of power supply and zero line;
The first input end of described second isolated location and the second input are parallel to the two ends of described second divider resistance, and the first outfan connects the control end of described switching tube, and the second outfan connects the second end of described second switch pipe;
The first end of described second switch pipe connects DC source by the 4th current-limiting resistance, and described first end connects the second input of described microcontroller by the 5th current-limiting resistance.
12. disinfection cabinet output control devices according to any one of claim 1-3, it is characterized in that, described temperature detecting unit comprises: temperature sensor, filter capacitor, divider resistance and the 6th current-limiting resistance;
Described filter capacitor is connected between the output and ground of described temperature sensor;
Described divider resistance is connected in parallel on the two ends of described filter capacitor;
One end of described 6th current-limiting resistance connects the outfan of described temperature sensor, and the other end connects the 3rd input of described microcontroller.
13. disinfection cabinet output control devices according to any one of claim 1-3, it is characterized in that, also comprise capacitance-resistance module, described capacitance-resistance wired in parallel is between the first end and the second end of described device for power switching.
14. 1 kinds of disinfection cabinet Poewr control methods, are applied to disinfection cabinet, it is characterized in that, the device for power switching that described disinfection cabinet at least comprises heater element and connects with described heater element, and described method comprises:
Control heater part heats with the first predetermined power;
When the temperature of high-temperature sterilization indoor disinfection cabinet being detected rises to the first preset temperature, the heating power controlling described heater element is reduced to the second predetermined power from described first predetermined power;
When the temperature of high-temperature sterilization indoor disinfection cabinet being detected rises to the second preset temperature, the heating power controlling described heater element is reduced to the 3rd predetermined power from described second predetermined power, remains the 4th preset temperature to make the temperature of described high-temperature sterilization indoor in preset time period.
15. methods according to claim 14, it is characterized in that, described heater element is the uncontrollable resistive heater part of power, and described heater element connects power supply by device for power switching, then the process reducing the heating power of described heater element is specially:
Control described switching device Discontinuous Conduction, to make the intermittent heat of described heater element, make the heating power of described heater element be down to the second predetermined power.
16. methods according to claim 14, it is characterized in that, described heater element is the heater element combination of multiple predetermined power, and each described heater element is all by connecting power supply with gauge tap, then the process reducing the heating power of described heater element is specially:
The on off operating mode of gauge tap device, to make the heating power of described multiple heater element combination be the second predetermined power.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211393A (en) * | 2015-04-30 | 2016-12-07 | 佛山市顺德区美的电热电器制造有限公司 | The heating power control method of electromagnetic heating system and device |
| CN107426844A (en) * | 2016-05-23 | 2017-12-01 | 佛山市顺德区美的电热电器制造有限公司 | Method for heating and controlling, device and the electric cooking pot of electric cooking pot |
| CN107977040A (en) * | 2017-03-17 | 2018-05-01 | 深圳市伟佰利科技有限公司 | A kind of heat load and its invariable power adjusting method and device |
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| CN110201195A (en) * | 2018-06-07 | 2019-09-06 | 华帝股份有限公司 | Temperature rise control method and control system of disinfection cabinet |
| CN110456286A (en) * | 2019-08-13 | 2019-11-15 | 深圳和而泰家居在线网络科技有限公司 | The control circuit and method of self-test power failure |
| CN111397155A (en) * | 2020-03-31 | 2020-07-10 | 广东美的制冷设备有限公司 | Sterilization control method and device and air conditioner |
| CN112057637A (en) * | 2020-09-21 | 2020-12-11 | 宁波宝工电器有限公司 | Intelligent heating control method for high-temperature disinfection chamber |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881114A (en) * | 2005-06-13 | 2006-12-20 | 陈东明 | Control system for intelligent disinfector |
| CN101417138A (en) * | 2007-10-26 | 2009-04-29 | 郭声光 | Dry sterilizer |
| CN101890174A (en) * | 2010-04-07 | 2010-11-24 | 海尔集团公司 | Disinfecting method of disinfection cabinet and disinfection cabinet |
| CN102210877A (en) * | 2010-04-07 | 2011-10-12 | 海尔集团公司 | Disinfecting cabinet with ultraviolet disinfecting functions |
| CN102367973A (en) * | 2011-10-14 | 2012-03-07 | 深圳市卓先实业有限公司 | Energy-saving type heating control device of electric heating equipment |
| US20130071288A1 (en) * | 2009-10-09 | 2013-03-21 | Sanofi-Aventis Deutschland Gmbh | Sterilization Apparatus and Method for Controlling of a Sterilization Apparatus |
| CN104107448A (en) * | 2013-04-19 | 2014-10-22 | 美的集团股份有限公司 | Method and device for controlling disinfector |
-
2013
- 2013-08-06 CN CN201310339144.5A patent/CN104338161B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881114A (en) * | 2005-06-13 | 2006-12-20 | 陈东明 | Control system for intelligent disinfector |
| CN101417138A (en) * | 2007-10-26 | 2009-04-29 | 郭声光 | Dry sterilizer |
| US20130071288A1 (en) * | 2009-10-09 | 2013-03-21 | Sanofi-Aventis Deutschland Gmbh | Sterilization Apparatus and Method for Controlling of a Sterilization Apparatus |
| CN101890174A (en) * | 2010-04-07 | 2010-11-24 | 海尔集团公司 | Disinfecting method of disinfection cabinet and disinfection cabinet |
| CN102210877A (en) * | 2010-04-07 | 2011-10-12 | 海尔集团公司 | Disinfecting cabinet with ultraviolet disinfecting functions |
| CN102367973A (en) * | 2011-10-14 | 2012-03-07 | 深圳市卓先实业有限公司 | Energy-saving type heating control device of electric heating equipment |
| CN104107448A (en) * | 2013-04-19 | 2014-10-22 | 美的集团股份有限公司 | Method and device for controlling disinfector |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211393B (en) * | 2015-04-30 | 2021-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Heating power control method and device of electromagnetic heating system |
| CN106211393A (en) * | 2015-04-30 | 2016-12-07 | 佛山市顺德区美的电热电器制造有限公司 | The heating power control method of electromagnetic heating system and device |
| CN107426844A (en) * | 2016-05-23 | 2017-12-01 | 佛山市顺德区美的电热电器制造有限公司 | Method for heating and controlling, device and the electric cooking pot of electric cooking pot |
| CN107977040A (en) * | 2017-03-17 | 2018-05-01 | 深圳市伟佰利科技有限公司 | A kind of heat load and its invariable power adjusting method and device |
| CN108448681B (en) * | 2018-04-10 | 2021-09-07 | 广东力科新能源有限公司 | Charger online detection method of battery management system |
| CN108448681A (en) * | 2018-04-10 | 2018-08-24 | 广东力科新能源有限公司 | A kind of online method for detecting of the charger of battery management system |
| CN110201195A (en) * | 2018-06-07 | 2019-09-06 | 华帝股份有限公司 | Temperature rise control method and control system of disinfection cabinet |
| CN110456286A (en) * | 2019-08-13 | 2019-11-15 | 深圳和而泰家居在线网络科技有限公司 | The control circuit and method of self-test power failure |
| CN111397155A (en) * | 2020-03-31 | 2020-07-10 | 广东美的制冷设备有限公司 | Sterilization control method and device and air conditioner |
| CN112057637A (en) * | 2020-09-21 | 2020-12-11 | 宁波宝工电器有限公司 | Intelligent heating control method for high-temperature disinfection chamber |
| CN113551353A (en) * | 2021-07-16 | 2021-10-26 | 珠海格力电器股份有限公司 | Air sterilizer and sterilization control method for air sterilizer |
| CN113551353B (en) * | 2021-07-16 | 2022-08-23 | 珠海格力电器股份有限公司 | Air sterilizer and sterilization control method for air sterilizer |
| CN113973932A (en) * | 2021-10-29 | 2022-01-28 | 四川绿源春茶业有限公司 | Temperature-controlled tea roller continuous fixation machine |
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