CN103591742B - Condensation unit start-up control method, Apparatus and system - Google Patents
Condensation unit start-up control method, Apparatus and system Download PDFInfo
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- CN103591742B CN103591742B CN201210291126.XA CN201210291126A CN103591742B CN 103591742 B CN103591742 B CN 103591742B CN 201210291126 A CN201210291126 A CN 201210291126A CN 103591742 B CN103591742 B CN 103591742B
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Abstract
The invention discloses a kind of condensation unit start-up control method, Apparatus and system.Wherein, the method comprises: when the magnetic valve of condensation unit is in opening, obtains the magnetic valve start signal generated by magnetic valve; Trigger the low-voltage variation of shielding mainboard controller according to magnetic valve start signal, lost efficacy to make the low-voltage variation of condensation unit; Compressor was opened when the low-voltage variation of condensation unit loses efficacy.Pass through the present invention; the switch adopting magnetic valve is the start that signal controls condensation unit automatically; solve in prior art because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops; cause condensation unit to start shooting at low ambient temperatures the Related Technical Issues of difficulty, achieve the technique effect that under the operating mode of low ambient temperature condensation unit Absorbable organic halogens ground controls start automatically.
Description
Technical field
The present invention relates to control field, in particular to a kind of condensation unit start-up control method, Apparatus and system.
Background technology
Current fully-closed vortex air-cooled condensing group does not arrange start controller, and they are all generally adopt Stress control start.The principle of this power on mode is: and unit powers on → and each components and parts detection → pressure of inspiration(Pi) normally opens higher than a certain value (start force value) → unit.Fig. 1 is the structural representation of the condensation unit boot system according to prior art.As shown in Figure 1, in the process of Stress control start, after condensation unit switches on power, unit detects the components and parts such as dual pressure controller, low pressure controller, temperature limiter and the time relay and whether is in normal state at circuit place, when each components and parts of unit are in normal condition, magnetic valve is opened, and when the force value that the pressure at air entry place condensation unit inner compressor being detected is started shooting higher than the unit set, unit can normally be opened.But; under the operating mode of frigid zone or low ambient temperature; after condensation machine set compressor is opened; because the condensation temperature of condenser is too low; cause the air entry place pressure of compressor to reduce rapidly, when low-voltage variation value lower than condensation unit of the force value at air entry place, there is low-voltage variation in unit; compressor shutdown, such compressor has just been started shooting and will have been shut down.
At present in prior art because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops, cause condensation unit to start shooting at low ambient temperatures the Related Technical Issues of difficulty, not yet propose effective solution.
Summary of the invention
For in correlation technique because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops, cause condensation unit to start shooting at low ambient temperatures the Related Technical Issues of difficulty, not yet propose effective solution.Main purpose of the present invention is to provide a kind of condensation unit start-up control method, Apparatus and system to solve the problem for this reason.
To achieve these goals, according to an aspect of the present invention, provide a kind of condensation unit start-up control method, the method comprises: when the magnetic valve of condensation unit is in opening, obtains the magnetic valve start signal generated by magnetic valve; Trigger the low-voltage variation signal of shielding mainboard controller according to magnetic valve start signal, lost efficacy to make the low-voltage variation of condensation unit; Compressor was opened when the low-voltage variation of condensation unit loses efficacy.
Further, the low-voltage variation signal of shielding mainboard controller is triggered according to magnetic valve start signal, comprise to make the step that the low-voltage variation of condensation unit lost efficacy: after receiving magnetic valve start signal, control module for controlling low-voltage variation in mainboard controller stops sending low-voltage variation signal, loses efficacy to make the low-voltage variation of condensation unit; Or after receiving magnetic valve start signal, the force value that pressure sensor detects by mainboard controller is set to invalid value, makes mainboard controller stop generating low-voltage variation signal, lost efficacy to make the low-voltage variation of condensation unit; Or after receiving magnetic valve start signal, the low-voltage variation value of condensation unit is reduced to predetermined value by mainboard controller, lost efficacy to make the low-voltage variation of condensation unit.
Further, triggering according to magnetic valve start signal shielding mainboard controller low-voltage variation signal, with make condensation unit low-voltage variation lost efficacy after, method also comprises: to compressor send start signal to open compressor.
Further; performing the low-voltage variation signal triggering shielding mainboard controller according to magnetic valve start signal; while the step lost efficacy to make the low-voltage variation of condensation unit, method also comprises the steps: to send start signal to open compressor to compressor.
Further, when execution is in opening at the magnetic valve of condensation unit, before obtaining the step of the magnetic valve start signal generated by magnetic valve, method also comprises the steps: whether detect magnetic valve is in opening, wherein, when magnetic valve is in opening, obtain the magnetic valve start signal generated by magnetic valve; When magnetic valve is not in opening, continues to detect magnetic valve and whether be in opening.
Further, after opening the step of compressor when performing the low-voltage variation inefficacy at condensation unit, method also comprises the steps: the running time detecting compressor, wherein, when reaching threshold value operationally, open the low-voltage variation of mainboard controller; When not reaching threshold value operationally, continue the low-voltage variation of shielding mainboard controller.
According to a further aspect in the invention, a kind of condensation unit start-up control device is provided.This device comprises: first detection module, for when the magnetic valve of condensation unit is in opening, obtains the magnetic valve start signal generated by magnetic valve; First trigger module, for triggering the low-voltage variation signal of shielding mainboard controller according to magnetic valve start signal, lost efficacy to make the low-voltage variation of condensation unit; First opening module, for opening compressor when the low-voltage variation of condensation unit loses efficacy.
Further, first trigger module comprises: the first processing module, for after receiving magnetic valve start signal, the control module for controlling low-voltage variation in mainboard controller stops sending low-voltage variation signal, loses efficacy to make the low-voltage variation of condensation unit; Or second processing module, for after receiving magnetic valve start signal, the force value that pressure sensor detects by mainboard controller is set to invalid value, makes mainboard controller stop generating low-voltage variation signal, loses efficacy to make the low-voltage variation of condensation unit; Or the 3rd processing module, for after receiving magnetic valve start signal, the low-voltage variation value of condensation unit is reduced to predetermined value by mainboard controller, loses efficacy to make the low-voltage variation of condensation unit.
Further, device also comprises: the first sending module, for sending starting-up signal to open compressor to compressor.
Further, the first trigger module also comprises: the second sending module, for sending starting-up signal to open compressor to compressor.
Further, device also comprises: the second detection module, for detecting the running time of compressor; Second opening module, when for reaching threshold value between operationally, opens the low-voltage variation of mainboard controller.
According to a further aspect in the invention, a kind of condensation unit opening control system is provided.This system comprises: magnetic valve, under the state of opening, generates magnetic valve start signal; Compressor, for opening when magnetic valve is opened; Controller; be connected between magnetic valve and compressor; for magnetic valve start signal being detected when magnetic valve is in opening; and after the low-voltage variation signal triggering shielding mainboard controller according to magnetic valve start signal; the low-voltage variation of condensation unit was lost efficacy, to open compressor.
Further, system also comprises: storehouse temperature controller, is connected with magnetic valve, for unlatching or the closedown of the actual temperature Controlling solenoid valve by environment being detected.
By condensation unit start-up control method provided by the invention, Apparatus and system; the switch adopting magnetic valve is the start that signal controls condensation unit automatically; solve in prior art because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops; cause condensation unit to start shooting at low ambient temperatures the Related Technical Issues of difficulty, achieve the technique effect that under the operating mode of low ambient temperature condensation unit Absorbable organic halogens ground controls start automatically.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the condensation unit boot system according to prior art;
Fig. 2 is the structural representation according to condensation unit opening control system of the present invention;
Fig. 3 is the detailed construction schematic diagram of the condensation unit opening control system according to Fig. 1;
Fig. 4 is the structural representation according to condensation unit start-up control method of the present invention;
Fig. 5 is the schematic flow sheet of the embodiment of condensation unit start-up control method according to Fig. 4; And
Fig. 6 is the schematic flow sheet according to condensation unit start-up control device of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 2 is the structural representation according to condensation unit opening control system of the present invention.Fig. 3 is the detailed construction schematic diagram of the condensation unit opening control system according to Fig. 1.
As shown in Figures 2 and 3, this system comprises: magnetic valve 10, under the state of opening, generates magnetic valve start signal; Compressor 50, for opening when magnetic valve is opened; Controller 30; be connected between magnetic valve 10 and compressor 50; for magnetic valve start signal being detected when magnetic valve 10 is in opening; and after the low-voltage variation signal triggering shielding mainboard controller according to magnetic valve start signal; the low-voltage variation of condensation unit was lost efficacy, to open compressor.Wherein, controller 30 can be the controller in outer mainboard, and magnetic valve 10 can be liquid supply electromagnetic valve.
By condensation unit opening control system provided by the invention; adopt magnetic valve, compressor and controller; by controller when the magnetic valve of condensation unit is in opening; obtain the magnetic valve start signal generated by magnetic valve; after the low-voltage variation signal triggering shielding mainboard controller according to the magnetic valve start signal got; the low-voltage variation of condensation unit was lost efficacy, to open compressor.Due to compared with under the operating mode of low ambient temperature, after the unit start of Stress control start, compressor air suction mouth place pressure reduces rapidly and causes unit low-voltage variation to be shut down, therefore, the above embodiments of the present application are by utilizing magnetic valve start signal to trigger the low-voltage variation function shielding described unit, due to the conductively-closed of unit low-voltage variation, unit is opened can not there is the situation of namely stopping of starting shooting due to low-voltage variation, thus solve in prior art because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops, cause condensation unit start shooting at low ambient temperatures difficulty Related Technical Issues, achieve the technique effect that condensation unit under the operating mode of low ambient temperature can control to start shooting easily automatically.
In the above embodiment of the present invention, the low-voltage variation signal of shielding mainboard controller is triggered according to magnetic valve start signal, can be realized by following method: (1) is after receiving magnetic valve start signal, control to stop sending low-voltage variation signal for the control module controlling low-voltage variation in mainboard controller, lost efficacy to make the low-voltage variation of condensation unit, make condensation unit not by low-voltage variation, thus the low-voltage variation of shielding mainboard controller; (2) when the low-voltage variation function of normal unlatching unit, after receiving magnetic valve start signal, the force value that pressure sensor detects by control mainboard controller is set to invalid value, mainboard controller is made to stop generating low-voltage variation signal, thus the low-voltage variation of shielding mainboard controller, lost efficacy to make the low-voltage variation of condensation unit; (3) when the low-voltage variation function of normal unlatching unit; after receiving magnetic valve start signal; control mainboard controller and the low-voltage variation value of condensation unit is reduced to predetermined value; lost efficacy to make the low-voltage variation of condensation unit; thus make condensation unit not by low-voltage variation; wherein, predetermined value can be arbitrary value of the force value detected lower than pressure sensor, also can be to use the environmental condition on ground to carry out testing the value determined according to condensation unit.
According to the abovementioned embodiments of the present invention, this system can also comprise: storehouse temperature controller, is connected with magnetic valve 10, for unlatching or the closedown of the actual temperature Controlling solenoid valve by environment being detected.Wherein, environment can be various freezing, freezers.
Particularly; after the energising of condensation unit; controller starts to detect magnetic valve 10 and whether is in opening; when magnetic valve 10 is in opening; controller 30 shields the low-voltage variation function of mainboard controller; can not shut down because of low-voltage variation after making compressor operation, condensation unit is normally opened.
Preferably, while unlatching compressor, controller detects the running time of compressor, wherein, when reaching threshold value operationally, opens the low-voltage variation of mainboard controller; When not reaching threshold value operationally, continue the low-voltage variation of shielding mainboard controller.Wherein, threshold value can be 1 or 2 minute.
Particularly; because pressure of inspiration(Pi) in open at compressor 50 tens seconds is very low by what draw; especially under the operating mode of low ambient temperature; condensation unit there will be low-voltage variation; this control system opens the low-voltage variation function of the time range inner shield mainboard controller of latter 2 minutes at compressor; crossed suction pressure of compressor by the very low time period of drawing, thus condensation unit normally can run.
Preferably, after condensation unit normally runs and makes environment actual temperature reach target temperature, compressor can the autostop a bit of time, and treat that the actual temperature of environment is higher than after target temperature, compressor can be opened again.Wherein, a bit of time of compressor autostop can be stand-by time, and when condensation unit is standby, magnetic valve is in closed condition.After the actual temperature of environment is higher than target temperature; when compressor needs again to open; magnetic valve is opened; the controller of outer mainboard detects the magnetic valve start signal that magnetic valve generates; then the low-voltage variation function of mainboard controller is shielded; compressor is normally opened, after condensation unit runs well again, recovers the low-voltage variation of mainboard controller.Wherein, environment can be the internal environment of freezer or showcase.
In the above embodiment of the present invention, after condensation unit reaches target temperature, when needing to shut down or artificially shut down, liquid supply electromagnetic valve closes condensation unit automatically.Particularly; compressor remains in operation a period of time after closed electromagnetic valve; run in condenser by the refrigerant of vaporizer side, to prevent the liquid refrigerants when condensation unit downtime is long from entering compressor, when causing condensation unit to open next time, the situation of infringement compressor occurs.Preferably, when the back pressure of condensation unit being detected lower than certain value, compressor cuts out.
Fig. 4 is the schematic flow sheet according to condensation unit start-up control method of the present invention.As shown in Figure 4, the method comprises the steps:
Step S1, when the magnetic valve of condensation unit is in opening, obtains the magnetic valve start signal generated by magnetic valve.
Particularly, can by the detection of outer mainboard, whether the magnetic valve obtaining machine in condensation unit is in opening, and when the magnetic valve of condensation unit is in opening, controller receives the magnetic valve start signal that magnetic valve generates.Wherein, magnetic valve can be liquid supply electromagnetic valve.
Step S3, triggers the low-voltage variation signal of shielding mainboard controller, lost efficacy to make the low-voltage variation of condensation unit according to magnetic valve start signal.
Wherein, after controller obtains magnetic valve start signal, the low-voltage variation signal of shielding condensation unit, makes the low-voltage variation of condensation unit lose efficacy.Preferably, in the low-voltage variation of very first time scope inner shield condensation unit.Wherein, very first time scope can be 1 to 2 minute.
Step S5, when the low-voltage variation of condensation unit lost efficacy, opened compressor.
Particularly, while the conductively-closed of mainboard controller low-voltage variation, open compressor, thus condensation unit is normally opened.
Adopt condensation unit start-up control method of the present invention; by when the magnetic valve of condensation unit is in opening; obtain the magnetic valve start signal generated by magnetic valve; then the low-voltage variation signal of shielding mainboard controller is triggered according to the magnetic valve start signal got; when making the low-voltage variation of condensation unit lose efficacy, open compressor.Due to compared with under the operating mode of low ambient temperature, after the unit start of Stress control start, compressor air suction mouth place pressure reduces rapidly and causes unit low-voltage variation to be shut down, and the above embodiments of the present application are by utilizing magnetic valve start signal to trigger the low-voltage variation function shielding described unit, due to the conductively-closed of unit low-voltage variation, unit is opened can not there is the situation of namely stopping of starting shooting due to low-voltage variation, thus solve in prior art because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops, cause condensation unit start shooting at low ambient temperatures difficulty Related Technical Issues, achieve the technique effect that condensation unit under the operating mode of low ambient temperature can control to start shooting easily automatically.
In the above embodiment of the present invention, the low-voltage variation signal of shielding mainboard controller is triggered according to magnetic valve start signal, comprise to make the step that the low-voltage variation of condensation unit lost efficacy: after receiving magnetic valve start signal, control module for controlling low-voltage variation in mainboard controller stops sending low-voltage variation signal, loses efficacy to make the low-voltage variation of condensation unit; Or after receiving magnetic valve start signal, the force value that pressure sensor detects by mainboard controller is set to invalid value, makes mainboard controller stop generating low-voltage variation signal, lost efficacy to make the low-voltage variation of condensation unit; Or after receiving magnetic valve start signal, the low-voltage variation value of condensation unit is reduced to predetermined value by mainboard controller, lost efficacy to make the low-voltage variation of condensation unit.
Particularly, the step triggering the low-voltage variation signal of shielding mainboard controller according to magnetic valve start signal can be realized by following method: (1) is after receiving magnetic valve start signal, control to stop sending low-voltage variation signal for the control module controlling low-voltage variation in mainboard controller, lost efficacy to make the low-voltage variation of condensation unit, make condensation unit not by low-voltage variation, thus the low-voltage variation of shielding mainboard controller; (2) when the low-voltage variation function of normal unlatching unit, after receiving magnetic valve start signal, the force value that pressure sensor detects by control mainboard controller is set to invalid value, mainboard controller is made to stop generating low-voltage variation signal, thus the low-voltage variation of shielding mainboard controller, lost efficacy to make the low-voltage variation of condensation unit; (3) when the low-voltage variation function of normal unlatching unit; after receiving magnetic valve start signal; control mainboard controller and the low-voltage variation value of condensation unit is reduced to predetermined value; lost efficacy to make the low-voltage variation of condensation unit; thus make condensation unit not by low-voltage variation; wherein, predetermined value can be arbitrary value of the force value detected lower than pressure sensor, also can be to use the environmental condition on ground to carry out testing the value determined according to condensation unit.
In the above embodiment of the present invention; the low-voltage variation signal of shielding mainboard controller is being triggered according to magnetic valve start signal; with make condensation unit low-voltage variation lost efficacy after, the application can adopt following implementation step: to compressor send starting-up signal to open compressor.The unlatching success rate of compressor can be improved by this step.
In addition; in above-described embodiment of the application; can also adopt with the following method in the method for the unlatching success rate improving compressor; namely the low-voltage variation signal triggering shielding mainboard controller according to magnetic valve start signal is being performed; while losing efficacy to make the low-voltage variation of condensation unit, performed following step: send starting-up signal to open compressor to compressor.The method further increases the unlatching success rate of compressor.
According to the abovementioned embodiments of the present invention, when execution is in opening at the magnetic valve of condensation unit, before obtaining the step of the magnetic valve start signal generated by magnetic valve, method also comprises the steps: whether detect magnetic valve is in opening, wherein, when magnetic valve is in opening, obtain the magnetic valve start signal generated by magnetic valve; When magnetic valve is not in opening, continues to detect magnetic valve and whether be in opening.In above-mentioned steps, the switching signal of the magnetic valve detected by controller controls the start of condensation unit automatically, achieves the automatic control of condensation unit start.
Particularly; after the energising of condensation unit; controller starts to detect magnetic valve and whether is in opening; when magnetic valve is in opening; the low-voltage variation function of controller shielding mainboard controller; can not shut down because of low-voltage variation after making compressor operation, condensation unit is normally opened.
Preferably, after the step of compressor is opened in execution when magnetic valve is opened, method also comprises the steps: the running time detecting compressor, wherein, when reaching threshold value operationally, opens the low-voltage variation of mainboard controller; When not reaching threshold value operationally, continue the low-voltage variation of shielding mainboard controller.Preferably, threshold value can be 1 or 2 minute.
Particularly; because pressure of inspiration(Pi) in open at compressor 50 tens seconds is very low by what draw; especially under the operating mode of low ambient temperature; condensation unit there will be low-voltage variation; this control method opens the low-voltage variation function of the time range inner shield mainboard controller of latter 2 minutes at compressor; crossed suction pressure of compressor by the very low time period of drawing, thus condensation unit normally can run.
Fig. 5 is the schematic flow sheet of the embodiment of condensation unit start-up control method according to Fig. 4.As shown in Figure 5, this condensation unit start-up control method can adopt following steps to realize:
Step S101, controller detects magnetic valve and whether is in opening, wherein, when magnetic valve is in opening, performs step S103, and when magnetic valve is not in opening, controller continues the opening detecting magnetic valve.
Wherein, controller can be arranged in mainboard controller, and magnetic valve can be liquid supply electromagnetic valve.
Step S103, when magnetic valve is in opening, controller starts low-voltage variation shielding, and controls the unlatching of compressor.Wherein, controller starts the low-voltage variation that low-voltage variation shielding can be the controller shielding unit of step S3 in above-described embodiment, loses efficacy to make the low-voltage variation of condensation unit.
Particularly; controller can send start signal to compressor while the shielding of startup low-voltage variation, to open compressor, also can open compressor by the following method: controller is after the low-voltage variation starting shielding unit; start signal is sent, to open compressor to compressor.The unlatching success rate of compressor can be improved by above-mentioned two kinds of open methods.
Step S105, compressor is normally opened.
Particularly, according to the method for step S5 in above-described embodiment, after the low-voltage variation function of controller shielding unit, under the operating mode of cold environment, compressor still can normally be opened.
Step S107, condensation unit is normally opened.
Step S109, recovers the low-voltage variation of unit.
Preferably, after the step of compressor is opened in execution when magnetic valve is opened, method also comprises the steps: the running time detecting compressor, wherein, when reaching threshold value operationally, opens the low-voltage variation of mainboard controller; When not reaching threshold value operationally, continue the low-voltage variation of closing mainboard controller.Preferably, threshold value can be 1 or 2 minute.
Particularly; because pressure of inspiration(Pi) in open at compressor 50 tens seconds is very low by what draw; especially under the operating mode of low ambient temperature; condensation unit there will be low-voltage variation; this control system opens the low-voltage variation function of the time range inner shield mainboard controller of latter 2 minutes at compressor; crossed suction pressure of compressor by the very low time period of drawing, thus condensation unit normally can run.
Preferably, after condensation unit normally runs and makes environment actual temperature reach target temperature, compressor can the autostop a bit of time, and treat that the actual temperature of environment is higher than after target temperature, compressor can be opened again.Wherein, a bit of time of compressor autostop can be stand-by time, and when condensation unit is standby, magnetic valve is in closed condition.After the actual temperature of environment is higher than target temperature; when compressor needs again to open; magnetic valve is opened; the controller of outer mainboard detects the magnetic valve start signal that magnetic valve generates; then the low-voltage variation function of mainboard controller is shielded; compressor is normally opened, after condensation unit runs well again, recovers the low-voltage variation of unit.Wherein, environment can be the internal environment of freezer or showcase.
In the above embodiment of the present invention, after condensation unit reaches target temperature, when needing to shut down or artificially shut down, liquid supply electromagnetic valve closes condensation unit automatically.Particularly; compressor remains in operation a period of time after closed electromagnetic valve; run in condenser by the refrigerant of vaporizer side, to prevent the liquid refrigerants when condensation unit downtime is long from entering compressor, when causing condensation unit to open next time, the situation of infringement compressor occurs.Preferably, when the back pressure of condensation unit being detected lower than certain value, compressor cuts out.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
Fig. 6 is the schematic flow sheet according to condensation unit start-up control device of the present invention.As shown in Figure 6, this device comprises: first detection module 1, for when the magnetic valve of condensation unit is in opening, obtains the magnetic valve start signal generated by magnetic valve; First trigger module 3, for triggering the low-voltage variation signal of shielding mainboard controller according to magnetic valve start signal, lost efficacy to make the low-voltage variation of condensation unit; First opening module 5, for opening compressor when the low-voltage variation of condensation unit loses efficacy.
Adopt condensation unit start-up control device of the present invention; when the magnetic valve of condensation unit is in opening; first detection module obtains the magnetic valve start signal generated by magnetic valve; then the first trigger module triggers the low-voltage variation signal of shielding mainboard controller according to the magnetic valve start signal got; when low-voltage variation lost efficacy, the first opening module opened compressor.Due to compared with under the operating mode of low ambient temperature, after the unit start of Stress control start, compressor air suction mouth place pressure reduces rapidly and causes unit low-voltage variation to be shut down, and the above embodiments of the present application are by utilizing magnetic valve start signal to trigger the low-voltage variation function of shielding condensation unit, due to the conductively-closed of unit low-voltage variation, unit is opened can not there is the situation of namely stopping of starting shooting due to low-voltage variation, thus solve in prior art because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops, cause condensation unit start shooting at low ambient temperatures difficulty Related Technical Issues, achieve the technique effect that condensation unit under the operating mode of low ambient temperature can control to start shooting easily automatically.
In the above embodiment of the present invention, first trigger module 3 comprises: the first processing module, for after receiving magnetic valve start signal, the control module for controlling low-voltage variation in mainboard controller stops sending low-voltage variation signal, loses efficacy to make the low-voltage variation of condensation unit; Or second processing module, for after receiving magnetic valve start signal, the force value that pressure sensor detects by mainboard controller is set to invalid value, makes mainboard controller stop generating low-voltage variation signal, loses efficacy to make the low-voltage variation of condensation unit; Or the 3rd processing module, for after receiving magnetic valve start signal, the low-voltage variation value of condensation unit is reduced to predetermined value by mainboard controller, loses efficacy to make the low-voltage variation of condensation unit.
Particularly, the low-voltage variation signal of shielding mainboard controller is triggered according to magnetic valve start signal, can be realized by following method: (1) is after receiving magnetic valve start signal, control to stop sending low-voltage variation signal for the control module controlling low-voltage variation in mainboard controller, lost efficacy to make the low-voltage variation of condensation unit, make condensation unit not by low-voltage variation, thus the low-voltage variation of shielding mainboard controller; (2) when the low-voltage variation function of normal unlatching unit, after receiving magnetic valve start signal, the force value that pressure sensor detects by control mainboard controller is set to invalid value, mainboard controller is made to stop generating low-voltage variation signal, thus the low-voltage variation of shielding mainboard controller, lost efficacy to make the low-voltage variation of condensation unit; (3) when the low-voltage variation function of normal unlatching unit; after receiving magnetic valve start signal; control mainboard controller and the low-voltage variation value of condensation unit is reduced to predetermined value; lost efficacy to make the low-voltage variation of condensation unit; thus make condensation unit not by low-voltage variation; wherein, predetermined value can be arbitrary value of the force value detected lower than pressure sensor, also can be to use the environmental condition on ground to carry out testing the value determined according to condensation unit.
According to the abovementioned embodiments of the present invention, after execution first trigger module 3, device can also comprise: the first sending module, for sending starting-up signal to open compressor to compressor.The unlatching success rate of compressor can be improved by performing this module.
In addition, in the above embodiment of the present invention, for the unlatching success rate improving compressor can also pass through the second sending module in the first trigger module 3, for sending starting-up signal to open compressor to compressor.Perform the unlatching success rate that this module further increases compressor.
Preferably; after the energising of condensation unit; controller starts to detect magnetic valve and whether is in opening; when magnetic valve is in opening; the low-voltage variation function of controller shielding unit; can not shut down because of low-voltage variation after making compressor operation, condensation unit is normally opened.
In above-described embodiment of the application, after the first opening module of execution, device also comprises: the second detection module, for detecting the running time of compressor; Second opening module, when for reaching threshold value between operationally, opens the low-voltage variation of mainboard controller.Wherein, threshold value can be 1 or 2 minute.
Particularly; because pressure of inspiration(Pi) in open at compressor 50 tens seconds is very low by what draw; especially under the operating mode of low ambient temperature; condensation unit there will be low-voltage variation; the low-voltage variation function of the time range inner shield mainboard controller of latter 2 minutes opened by this controller at compressor; crossed suction pressure of compressor by the very low time period of drawing, thus condensation unit normally can run.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: condensation unit start-up control method provided by the invention, the embodiment of Apparatus and system with the switch of magnetic valve for signal controls the start of condensation unit automatically, the low-voltage variation function of shielding unit is triggered according to magnetic valve start signal, due to the conductively-closed of unit low-voltage variation, unit is opened can not there is the situation of namely stopping of starting shooting due to low-voltage variation, thus solve in prior art because because of low-voltage variation, condensation unit at low ambient temperatures occurs that namely start stops, cause condensation unit start shooting at low ambient temperatures difficulty Related Technical Issues, achieve the technique effect that condensation unit under the operating mode of low ambient temperature can control to start shooting easily automatically.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a condensation unit start-up control method, is characterized in that, comprising:
When the magnetic valve of condensation unit is in opening, obtain the magnetic valve start signal generated by described magnetic valve;
Trigger the low-voltage variation signal of shielding mainboard controller according to described magnetic valve start signal, lost efficacy to make the low-voltage variation of described condensation unit;
Compressor was opened when the low-voltage variation of described condensation unit loses efficacy.
2. method according to claim 1, is characterized in that, triggers the low-voltage variation signal of shielding mainboard controller, comprise to make the step that the low-voltage variation of described condensation unit lost efficacy according to described magnetic valve start signal:
After receiving described magnetic valve start signal, the control module for controlling low-voltage variation in described mainboard controller stops sending low-voltage variation signal, loses efficacy to make the low-voltage variation of described condensation unit; Or
After receiving described magnetic valve start signal, the force value that pressure sensor detects by described mainboard controller is set to invalid value, makes described mainboard controller stop generating low-voltage variation signal, loses efficacy to make the low-voltage variation of described condensation unit; Or
After receiving described magnetic valve start signal, the low-voltage variation value of described condensation unit is reduced to predetermined value by described mainboard controller, loses efficacy to make the low-voltage variation of described condensation unit.
3. method according to claim 2, is characterized in that, triggering according to described magnetic valve start signal shielding mainboard controller low-voltage variation signal, with make described condensation unit low-voltage variation lost efficacy after, described method also comprises:
Start signal is sent to open described compressor to described compressor.
4. method according to claim 2; it is characterized in that; performing the low-voltage variation signal triggering shielding mainboard controller according to described magnetic valve start signal, while the step lost efficacy to make the low-voltage variation of described condensation unit, described method also comprises the steps:
Start signal is sent to open described compressor to described compressor.
5. the method according to claim 3 or 4, is characterized in that, when execution is in opening at the magnetic valve of condensation unit, before obtaining the step of the magnetic valve start signal generated by described magnetic valve, described method also comprises the steps:
Detect described magnetic valve and whether be in opening, wherein,
When described magnetic valve is in opening, obtain the described magnetic valve start signal generated by described magnetic valve;
When described magnetic valve is not in opening, continues to detect described magnetic valve and whether be in opening.
6. method according to claim 1 and 2, is characterized in that, while opening the step of compressor when performing the low-voltage variation inefficacy at described condensation unit, described method also comprises the steps:
Detect the running time of described compressor, wherein,
When reaching threshold value described running time, open the low-voltage variation of described mainboard controller;
When not reaching threshold value described running time, continue the low-voltage variation of the described mainboard controller of shielding.
7. a condensation unit start-up control device, is characterized in that, comprising:
First detection module, for when the magnetic valve of condensation unit is in opening, obtains the magnetic valve start signal generated by described magnetic valve;
First trigger module, for triggering the low-voltage variation signal of shielding mainboard controller according to described magnetic valve start signal, lost efficacy to make the low-voltage variation of described condensation unit;
First opening module, for opening compressor when the low-voltage variation of described condensation unit loses efficacy.
8. device according to claim 7, is characterized in that, described first trigger module comprises:
First processing module, for after receiving described magnetic valve start signal, the control module for controlling low-voltage variation in described mainboard controller stops sending low-voltage variation signal, loses efficacy to make the low-voltage variation of described condensation unit; Or
Second processing module, for after receiving described magnetic valve start signal, the force value that pressure sensor detects by described mainboard controller is set to invalid value, makes described mainboard controller stop generating low-voltage variation signal, loses efficacy to make the low-voltage variation of described condensation unit; Or
3rd processing module, for after receiving described magnetic valve start signal, the low-voltage variation value of described condensation unit is reduced to predetermined value by described mainboard controller, loses efficacy to make the low-voltage variation of described condensation unit.
9. device according to claim 8, is characterized in that, after execution first trigger module, described device also comprises:
First sending module, for sending start signal to open described compressor to described compressor.
10. device according to claim 8, is characterized in that, described first trigger module also comprises:
Second sending module, for sending start signal to open described compressor to described compressor.
11. devices according to claim 7 or 8, it is characterized in that, described device also comprises:
Second detection module, for detecting the running time of described compressor;
Second opening module, for when reaching threshold value described running time, opens the low-voltage variation of described mainboard controller.
12. 1 kinds of condensation unit opening control systems, is characterized in that, comprising:
Magnetic valve, under the state of opening, generates magnetic valve start signal;
Compressor, for opening when described magnetic valve is opened;
Controller; be connected between described magnetic valve and described compressor; for described magnetic valve start signal being detected when described magnetic valve is in opening; and after the low-voltage variation signal triggering shielding mainboard controller according to described magnetic valve start signal; the low-voltage variation of described condensation unit was lost efficacy, to open compressor.
13. systems according to claim 12, is characterized in that, described system also comprises:
Storehouse temperature controller, is connected with described magnetic valve, for by detecting that the actual temperature of environment controls unlatching or the closedown of described magnetic valve.
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| CN113432269A (en) * | 2021-05-28 | 2021-09-24 | 青岛海尔空调电子有限公司 | Control method of refrigeration and freezing unit and refrigeration and freezing unit |
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| CN1906450A (en) * | 2004-09-13 | 2007-01-31 | 大金工业株式会社 | Refrigerating device |
| CN201285504Y (en) * | 2008-11-12 | 2009-08-05 | 毛振祥 | Circuit apparatus for controlling low voltage closing of refrigerator |
| CN102032732A (en) * | 2010-12-03 | 2011-04-27 | 海信（山东）空调有限公司 | Air-conditioning system with refrigerant reclaiming function |
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| JP3530983B2 (en) * | 1993-12-28 | 2004-05-24 | 松下電器産業株式会社 | Separate air conditioner |
| JP4425189B2 (en) * | 2005-06-30 | 2010-03-03 | 三洋電機株式会社 | Cooling system |
| JP2008309483A (en) * | 2008-09-29 | 2008-12-25 | Sanyo Electric Co Ltd | Refrigerating unit |
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| CN1906450A (en) * | 2004-09-13 | 2007-01-31 | 大金工业株式会社 | Refrigerating device |
| CN201285504Y (en) * | 2008-11-12 | 2009-08-05 | 毛振祥 | Circuit apparatus for controlling low voltage closing of refrigerator |
| CN102032732A (en) * | 2010-12-03 | 2011-04-27 | 海信（山东）空调有限公司 | Air-conditioning system with refrigerant reclaiming function |
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