CN202602536U - Compressor capacitor charging control device and compressor - Google Patents
Compressor capacitor charging control device and compressor Download PDFInfo
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- CN202602536U CN202602536U CN 201220188145 CN201220188145U CN202602536U CN 202602536 U CN202602536 U CN 202602536U CN 201220188145 CN201220188145 CN 201220188145 CN 201220188145 U CN201220188145 U CN 201220188145U CN 202602536 U CN202602536 U CN 202602536U
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- electric capacity
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- 239000003990 capacitor Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 abstract description 17
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a compressor electric capacity charge control device and compressor. This compressor electric capacity charge controlling means includes: a charging resistor connected between the power source and a capacitor, wherein the capacitor is connected in parallel with the compressor; a first switch connected in parallel with the charging resistor; and a second switch provided between the power supply and the capacitor and connected in series with the charging resistor. The charging circuit can be controlled to be switched on or switched off through the second switch, and the problem that the capacitor charging process of the compressor is uncontrollable is solved. Adopt the technical scheme of the utility model, solved the uncontrollable problem of compressor electric capacity charging process among the prior art, help under the condition that compressor system broke down, thereby can open circuit prevent to burn out charging resistor or lead to tripping operation or burn out serious consequences such as rectifier unit because of surge impact, guaranteed the operational reliability of power, compressor, condenser.
Description
Technical field
The utility model relates to compressor field, especially, relates to a kind of compressor electric capacity battery charge controller and compressor.
Background technology
Compressor of air conditioner need utilize the leading characteristic of capacitance current phase place when starting, produce detent torque.Capacitor is the indispensable parts of compressor, before the compressor start, need charge to capacitor.
Fig. 1 is the sketch map of the electric capacity battery charge controller of prior art compressor; As shown in Figure 1; Behind the air conditioner winding energize 11, charge circuit charges to capacitor 13 through charging resistor R automatically, closing relay K1 after charging is accomplished; Under non-failure conditions, insert and comprise that the load 15 of compressor starts working, this moment, operating current was got back to power end 11 through relay K 1.Except compressor, also has other load such as blower fan also by obtaining power supply in this circuit.Compressor is as basic load; Require in logic in running, to avoid overcurrent when detecting to shut down with the protection compressor when busbar voltage is hanged down; Break off relay K 1 simultaneously,, damage charge circuit or cause tripping operation to prevent the power supply 11 voltages generation surge impact that jumps.Because the driven compressor plate can not be controlled other load, break off relay K 1 when running into the low situation of busbar voltage, must cause big electric current to flow through, burn-out resistance R from charging resistor R.
According to prior art, automatic startup electric capacity to compressor charged after the air-conditioning unit powered on, and charging process can not be controlled; , run into busbar voltage and cross when low simultaneously under the situation that multi-load is supplied power at rectifier power source, break off K1 and have the risk of burning charging resistor R; Do not break off K1 and then have surge impact, the risk of rectifying device or tripping operation can occur burning.
To the uncontrollable problem of compressor electric capacity charging process in the prior art, effective solution is not proposed also at present.
The utility model content
The main purpose of the utility model provides a kind of compressor electric capacity battery charge controller and compressor, to solve the uncontrollable problem of compressor electric capacity charging process of the prior art.
To achieve these goals; According to an aspect of the utility model, a kind of compressor electric capacity battery charge controller is provided, this compressor electric capacity battery charge controller comprises: charging resistor; Be connected between power supply and the capacitor, wherein capacitor is connected with compressor parallel; First switch is connected in parallel with charging resistor; Second switch is arranged between power supply and the capacitor, is connected in series with charging resistor.
Further, first switch in parallel is at circuit two ends that second switch and charging resistor are composed in series.
Further, first switch in parallel is formed parallel circuits at the two ends of charging resistor, and second switch and parallel circuits are connected in series.
Further, the compressor electric capacity battery charge controller that the utility model provides also comprises controller, and controller is connected respectively with second switch with first switch, is used to control first switch and second switch.
Further, the compressor electric capacity battery charge controller that the utility model provides also comprises failure detector, and this failure detector is connected respectively with controller with power supply, is used to detect power source voltage and electric current; Controller also comprises: obtain parts, be used to obtain power source voltage and electric current; Decision means is used for judging according to supply voltage and electric current whether load circuit and charging circuit exist fault; Execution unit is used for controlling first switch and second switch according to judged result.Further, first switch and second switch are relay.
Another aspect according to the utility model provides a kind of compressor, comprises above-mentioned arbitrary compressor electric capacity battery charge controller.
According to the technical scheme of the utility model, compressor electric capacity battery charge controller comprises: charging resistor, be connected between power supply and the capacitor, and wherein capacitor is connected with compressor parallel; First switch is connected in parallel with charging resistor; Second switch is arranged between power supply and the capacitor, is connected in series with charging resistor.Can control through second switch and to connect or disconnect charging circuit; Solved the uncontrollable problem of compressor electric capacity charging process; Under the situation that compressor assembly breaks down; Thereby can open circuit prevent and burn charging resistor or, guaranteed the functional reliability of power supply, compressor, capacitor because of surge impact causes tripping operation or burns serious consequence such as rectifying device.
Description of drawings
Figure of description is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the sketch map of the electric capacity battery charge controller of prior art compressor;
Fig. 2 is the sketch map according to the compressor electric capacity battery charge controller of the utility model first embodiment;
Fig. 3 is the sketch map according to the compressor electric capacity battery charge controller of the utility model second embodiment;
Fig. 4 is the sketch map according to the compressor electric capacity battery charge controller of the utility model the 3rd embodiment;
Fig. 5 is the sketch map according to the compressor charge control method for capacitor of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 2 is the sketch map according to the compressor electric capacity battery charge controller of the utility model first embodiment; As shown in Figure 2; This compressor electric capacity battery charge controller comprises: charging resistor R, be connected between power supply 11 and the capacitor 13, and wherein capacitor 13 is connected in parallel with compressor even load 15; Second switch K2 is arranged between power supply 11 and the capacitor 13, and R is connected in series with charging resistor; First K switch 1 is connected in parallel on the circuit two ends that second switch K2 and charging resistor R are composed in series.
Wherein, power supply can comprise input ac power and rectification circuit.Charging resistor R act as current-limiting resistance, prevents to begin the moment of charging, and charging current is excessive, burns power supply.When first K switch 1 is used for compressor starts work, short circuit charging resistor R, charging resistor R consumes unnecessary electric energy when preventing to compress operate as normal.Whether second switch K2 is used to connect or disconnect charging circuit, can charge by control capacitance device 13, when breaking down like condenser network where necessary, breaks off charging resistor R and prevents the serious consequence of burning charging resistor R or rectification circuit.
The compressor electric capacity battery charge controller of first embodiment can also comprise controller and failure detector, and controller is connected with second switch K2 with first K switch 1 respectively, is used to control first K switch 1 and is switched on or switched off with second switch K2.Failure detector is connected respectively with controller with power supply 11, is used to detect the voltage and current of power supply 11; Controller comprises: obtain parts, be used to obtain the size of the voltage and current of power supply 11; Decision means is used for judging according to the size of supply voltage and electric current whether load circuit and charging circuit exist fault; Execution unit is used for controlling first K switch 1 and second switch K2 according to judged result.
The concrete working method of the controller of the compressor electric capacity battery charge controller of first embodiment is: whether after connecting AC power, it is in proper working order to detect rectification circuit, if rectification circuit is normal; Then control the K2 conducting; Electric current charges to capacitor 13 through K2 and charging resistor R, and whether detect charging voltage and charging current simultaneously normal, and is unusual if charging voltage or charging current occur; Break off K2 at once, stop charging.Awaiting Overhaul is waited in the back that stops to charge, and after the perhaps predetermined at interval stand-by period, recloses K1 and confirms whether fault still exists, if still exist unusually then wait Awaiting Overhaul.If charging voltage and charging current are normal all the time; Charging interval is controlled K1 conducting, K2 disconnection after satisfying the predetermined charging interval, and compressor and other load bring into operation; In compressor and other load running process; Controller obtain the size that parts obtain the voltage and current of the power supply 11 that failure detector detects, decision means compares above-mentioned voltage and current respectively with voltage threshold and the current threshold preset, when voltage less than above-mentioned voltage threshold or electric current during greater than current threshold; Execution unit control control K1 breaks off, and compressor is quit work.More than preset voltage threshold and current threshold can be confirmed according to the power of concrete applied environment and compressor even load, the voltage threshold when being the three-phase alternating current power supply as setting 380V, and current threshold is 1.2 times of compressor rated current etc.
Fig. 3 is the sketch map according to the compressor electric capacity battery charge controller of the utility model second embodiment; As shown in Figure 3; The difference of the compressor electric capacity battery charge controller of this compressor electric capacity battery charge controller and first embodiment is the two ends composition parallel circuits that first K switch 1 is connected in parallel on charging resistor R, and second switch K1 is connected between power supply 11 and this parallel circuits.
The concrete working method of the controller of the compressor electric capacity battery charge controller of second embodiment is: whether after connecting AC power, it is in proper working order to detect rectification circuit, if rectification circuit is normal; Then control the K2 conducting; Electric current charges to capacitor 13 through K2 and charging resistor R, and whether detect charging voltage and charging current simultaneously normal, and is unusual if charging voltage or charging current occur; Break off K2 at once, stop charging.Awaiting Overhaul is waited in the back that stops to charge, and after the perhaps predetermined at interval stand-by period, recloses K1 and confirms whether fault still exists, if still exist unusually then wait Awaiting Overhaul.If charging voltage and charging current are normal all the time, the charging interval is controlled the K1 conducting after satisfying the predetermined charging interval; And K2 still need be in conducting state; Compressor and other load bring into operation, in compressor and other load running process, controller obtain the size that parts obtain the voltage and current of the power supply 11 that failure detector detects; Decision means compares above-mentioned voltage and current respectively with preset voltage threshold and current threshold; When voltage less than above-mentioned voltage threshold or electric current during greater than current threshold, execution unit control control K2 breaks off, and compressor is quit work.With the concrete working method difference of first embodiment be: in charging and compressor normal course of operation; Second switch K2 is in conducting state all the time, if unusual, only need to break off K2; Just can stop charging or operation, first K switch 1 only is used for the short circuit charging resistor.Therefore the electric capacity battery charge controller working method of second embodiment is more easy.
Fig. 4 is the sketch map according to the compressor electric capacity battery charge controller of the utility model the 3rd embodiment; As shown in Figure 3; This compressor electric capacity battery charge controller is the distortion with the compressor electric capacity battery charge controller of second embodiment; Unique difference is that second switch K1 is connected between load 15 and the parallel circuits.Control mode is consistent with the control mode of the compressor electric capacity battery charge controller of second embodiment.
First K switch 1 among the above embodiment can specifically be switching devices such as relay, thyristor with second switch K2; When first K switch 1 is relay with second switch K2; The control coil of relay is connected with controller, and the contact switch of relay is connected in the circuit according to the connected mode of the foregoing description.
The embodiment of the utility model also provides a kind of compressor, has comprised the compressor electric capacity battery charge controller of above embodiment, can use following compressor charge control method for capacitor to control.
Fig. 5 is the sketch map according to the compressor charge control method for capacitor of the utility model embodiment, and is as shown in Figure 5, and this method mainly comprises the steps:
Step S51: the charging circuit of connecting capacitor;
Step S53: whether the charging voltage that detects capacitor is normal;
Step S55:, continue capacitor is charged if the charging voltage of capacitor is normal;
Step S57: capacitor after the charging scheduled time, is being connected the compressor operating circuit.
Wherein, can also comprise after the step S53: when charging voltage is undesired, break off charging circuit, prevent charge fault.
Can also comprise after the step S57: obtain power source voltage and electric current, compare with preset voltage threshold and current threshold respectively; When voltage during greater than current threshold, breaks off the compressor operating circuit less than voltage threshold and/or electric current.Can guarantee that like this compressor operating Shi Buhui that breaks down burns charging resistor R or burns the serious problems of rectifying device and tripping operation.
Can also carry out self check to the part of compressor assembly except that charging circuit before the step S57, if self check not through disconnect the charging circuit of capacitor, avoid causing thus more multiple faults or damage mainboard.
According to the technical scheme of the utility model, compressor electric capacity battery charge controller comprises: charging resistor, be connected between power supply and the capacitor, and wherein capacitor is connected with compressor parallel; First switch is connected in parallel with charging resistor; Second switch is arranged between power supply and the capacitor, is connected in series with charging resistor.Can control through second switch and to connect or disconnect charging circuit; Solved the uncontrollable problem of compressor electric capacity charging process; Under the situation that compressor assembly breaks down; Thereby can open circuit prevent serious consequences such as burning charging resistor or tripping operation, guarantee the functional reliability of power supply, compressor, capacitor.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (7)
1. a compressor electric capacity battery charge controller is characterized in that, comprising:
Charging resistor is connected between power supply and the capacitor, and wherein said capacitor is connected with compressor parallel;
First switch is connected in parallel with said charging resistor;
Second switch is arranged between said power supply and the said capacitor, is connected in series with said charging resistor.
2. control device according to claim 1 is characterized in that, said first switch in parallel is at circuit two ends that said second switch and said charging resistor are composed in series.
3. control device according to claim 1 is characterized in that, said first switch in parallel is formed parallel circuits at the two ends of said charging resistor, and said second switch and said parallel circuits are connected in series.
4. control device according to claim 1 is characterized in that, also comprises controller, and said controller is connected respectively with second switch with said first switch, is used to control said first switch and said second switch.
5. control device according to claim 4 is characterized in that, also comprises failure detector,
Said failure detector is connected respectively with said controller with said power supply, is used to detect said power source voltage and electric current;
Said controller comprises:
Obtain parts, be used to obtain said power source voltage and electric current;
Decision means is used for judging according to said supply voltage and electric current whether load circuit and charging circuit exist fault;
Execution unit is used for controlling said first switch and said second switch according to judged result.
6. according to each described control device in the claim 1 to 5, it is characterized in that,
Said first switch and second switch are relay.
7. a compressor is characterized in that, comprises each described compressor electric capacity battery charge controller in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188145 CN202602536U (en) | 2012-04-27 | 2012-04-27 | Compressor capacitor charging control device and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188145 CN202602536U (en) | 2012-04-27 | 2012-04-27 | Compressor capacitor charging control device and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202602536U true CN202602536U (en) | 2012-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220188145 Expired - Lifetime CN202602536U (en) | 2012-04-27 | 2012-04-27 | Compressor capacitor charging control device and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202602536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378720A (en) * | 2012-04-27 | 2013-10-30 | 珠海格力电器股份有限公司 | Compressor capacitor charging control device and control method and compressor |
| CN109830947A (en) * | 2013-07-12 | 2019-05-31 | 凌力尔特有限责任公司 | Control is poured in using Multi- Switch |
-
2012
- 2012-04-27 CN CN 201220188145 patent/CN202602536U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378720A (en) * | 2012-04-27 | 2013-10-30 | 珠海格力电器股份有限公司 | Compressor capacitor charging control device and control method and compressor |
| CN109830947A (en) * | 2013-07-12 | 2019-05-31 | 凌力尔特有限责任公司 | Control is poured in using Multi- Switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
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| CX01 | Expiry of patent term |