CN205207191U - Compressor and refrigeration plant - Google Patents
Compressor and refrigeration plant Download PDFInfo
- Publication number
- CN205207191U CN205207191U CN201521100679.8U CN201521100679U CN205207191U CN 205207191 U CN205207191 U CN 205207191U CN 201521100679 U CN201521100679 U CN 201521100679U CN 205207191 U CN205207191 U CN 205207191U
- Authority
- CN
- China
- Prior art keywords
- compressor
- oil groove
- induction coil
- electromagnetic induction
- metalwork
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005057 refrigeration Methods 0.000 title abstract description 4
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 239000000314 lubricant Substances 0.000 claims description 23
- 239000003921 oil Substances 0.000 abstract description 80
- 230000006698 induction Effects 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 238000004804 winding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a compressor and refrigeration plant, wherein, this compressor includes the shell, install in shell incurvated axle and be used for saving the oil groove of lubricating oil, and the one end of bent axle is equipped with the metalwork in extending the oil groove in the oil groove, and the compressor still includes electromagnetism electro -heat equipment, electromagnetic induction coil that electromagnetism electro -heat equipment set up including neighbouring oil groove and the frequency -conversion circuit who is connected with electromagnetic induction coil, the metalwork is in electromagnetic induction coil's production magnetic field. The utility model discloses the magnetic field that technical scheme changes through electromagnetic induction coil to make the metalwork that is arranged in the oil groove take place magnetic induction phenomenon and burble, so that the lubricating oil rapid heating up in the oil groove and reduce viscosity, thereby, make this lubricating oil can lubricate the bent axle effectively, and then shortened the preheating time of compressor.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, particularly a kind of compressor and chiller plant.
Background technique
At present, when the compressor of chiller plant is under low temperature environment, if long-time off-duty, oil body in compressor oil groove can increase, so, make lubricant oil effectively to the cylinder lubricate of compressor inside, and not cause compressor to need great moment of rotation when starting, and then make compressor internal poles fragile.When compressor starts at low temperatures, need to carry out preheating to compressor, also namely the lubricant oil in oil groove is heated, at present, compressor preheating is mainly by the motor winding energising preheating to compressor, the heat produced to make motor winding reaches the lubricant oil in oil groove through the bent axle of compressor, oil body is reduced to improve the temperature of lubricant oil, but, because the resistance of motor winding is less, and then make the overlong time of motor winding preheating, and bent axle heat transfer efficiency is low, thus, cause the power consumption of compressor preheating excessive.
Model utility content
Main purpose of the present utility model is to provide a kind of compressor, is intended to the preheat time shortening compressor, improves the pre-thermal efficiency of compressor.
For achieving the above object, a kind of compressor that the utility model proposes, this compressor comprises shell, is installed on described shell inside crankshaft and the oil groove in order to store lubricant oil, one end of described bent axle extends in described oil groove, metalwork is provided with in described oil groove, described compressor also comprises electromagnetic electrothermic device, described electromagnetic electrothermic device comprises the electromagnetic induction coil that contiguous described oil groove is arranged and the frequency-conversion circuit be connected with described electromagnetic induction coil, and described metalwork is in the magnetic field of described electromagnetic induction coil generation.
Preferably, described frequency-conversion circuit comprises rectifier, supply convertor, first electric capacity and switching tube, the input end of described rectifier is connected with alternating source, one output terminal of described rectifier is connected with one end of supply convertor, the other end of described supply convertor is connected with one end of described first electric capacity, the other end of described first electric capacity is connected with the input end of described switching tube, and the two ends of described electromagnetic induction coil correspondence is connected with the two ends of described first electric capacity, the output terminal of described switching tube is connected with another output terminal of described rectifier, the controlled end of described switching tube is in order to receive external control signal, and conducting or the shutoff of described switching tube is controlled according to control signal.
Preferably, be provided with the clutch shaft bearing of one end socket stretching to described oil groove for described bent axle in described oil groove, described metalwork is described clutch shaft bearing.
Preferably, described electromagnetic induction coil is located on described clutch shaft bearing.
Preferably, described cylinder is back to the side of described oil groove, and be provided with the second bearing for described bent axle socket, described electromagnetic induction coil is located on described second bearing.
Preferably, described electromagnetic induction coil to be located in described oil groove and to be fixed on the internal face of described oil groove.
Preferably, described compressor is rotary compressor or scroll compressor.
The utility model also proposes a kind of chiller plant, this chiller plant comprises compressor, described compressor comprises shell, and the cylinder be installed in described shell, the bent axle wearing described cylinder is provided with in described shell, and be positioned at the side of described cylinder and the oil groove in order to store the lubricant oil lubricating described bent axle, metalwork is provided with in described oil groove, described compressor also comprises electromagnetic electrothermic device, described electromagnetic electrothermic device comprises the electromagnetic induction coil that contiguous described oil groove is arranged, and the frequency-conversion circuit to be connected with described electromagnetic induction coil, described metalwork is in the magnetic field of described electromagnetic induction coil generation.
Preferably, described chiller plant comprises the controller be electrically connected with described electromagnetic electrothermic device and the Temperature Detector be located in described oil groove, described Temperature Detector is in order to detect the temperature in described oil groove, and the temperature value that described controller is used for detecting according to described Temperature Detector controls described electromagnetic electrothermic device.
Preferably, described chiller plant is air conditioner.
Technical solutions of the utility model by arranging a metalwork in the oil groove of compressor, and electromagnetic heater is set in the shell of compressor, this electromagnetic heater comprises electromagnetic induction coil and the frequency-conversion circuit of the setting of contiguous oil groove, the magnetic field that electromagnetic induction coil changes when frequency-conversion circuit is energized, to make to be arranged in the metalwork generation magnetic induction phenomenon of oil groove and to produce eddy current effect and rapid temperature increases, and then, viscosity is reduced after lubricant oil in oil groove is heated up, thus, make this lubricant oil effectively can lubricate bent axle, and then shorten the preheat time of compressor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, the structure according to these accompanying drawings can also obtain other accompanying drawing.
Fig. 1 is the structural representation of compressor one embodiment of the present utility model;
Fig. 2 is the schematic diagram of the electromagnetic generator in compressor of the present utility model.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 100 | Compressor | 110 | Shell |
| 120 | Stator | 130 | Rotor |
| 140 | Cylinder | 150 | Bent axle |
| 160 | Oil groove | 170 | Electromagnetic heater |
| 171 | Electromagnetic induction coil | 172 | Frequency-conversion circuit |
| 1721 | Rectifier | 1722 | Supply convertor |
| 1723 | First electric capacity | 1724 | Switching tube |
| 1725 | Diode | 1726 | Second electric capacity |
| 180 | Clutch shaft bearing | 190 | Second bearing |
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Need explanation, all directivity instruction (such as up, down, left, right, before and afters in the utility model embodiment ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, in the utility model, relate to the description of " first ", " second " etc. only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technological scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technological scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technological scheme does not exist, also not the utility model require protection domain within.
The utility model proposes a kind of compressor.
Referring to figs. 1 through the structural representation that Fig. 2, Fig. 1 are compressor one embodiment of the present utility model; Fig. 2 is the schematic diagram of the electromagnetic generator in compressor of the present utility model.
Please refer to Fig. 1 and Fig. 2, this compressor 100 is applied on chiller plant (not shown), this chiller plant can be air conditioner, this compressor 100 mainly plays compression, drives refrigeration agent, this compressor 100 can be rotary compressor or scroll compressor, do not do concrete restriction at this, below for rotary compressor, be specifically described.
Concrete, this compressor 100 comprises shell 110, be installed on the stator 120 of shell 110 internal face, the rotor 130 be installed in shell 110 is rotated relative to stator 120, cylinder 140 is also provided with in this shell 110, rotor 130 is arranged with a bent axle 150, one end of this bent axle 150 wears this cylinder 140 and arranges, the oil groove 160 that contiguous cylinder 140 is arranged also is provided with in shell 110, what should say is, this oil groove 160 jointly can be enclosed by cylinder 140 and shell 110 and be formed, also namely this cylinder 140 is tightly connected with the internal face of shell 110 and encloses formation, obviously, this oil groove 160 also can be the vessel with storing liquid material, at this, do not do concrete restriction, this oil groove 160 is in order to store lubricant oil, one end of bent axle 150 wears cylinder 140 and extends in this oil groove 160, this bent axle 150 rotates more smooth and easy under the lubrication of lubricant oil, this oil body can increase at low ambient temperatures, and then make this lubricant oil cannot effectively lubricate bent axle 150, this compressor 100 is caused to need great moment of rotation to start at low ambient temperatures, so, this compressor 100 internal structure can be made very easily to damage, for this reason, one metalwork is set in oil groove 160, and electromagnetic heater 170 is set in shell 110, this metalwork can be copper billet, iron block or the part (such as oil groove) be made up of metallic material, its Main Function in the magnetic field of change, sends magnetic induction and produces eddy current effect, this electromagnetic heater 170 comprises the electromagnetic induction coil 171 that contiguous oil groove 160 is arranged, and the frequency-conversion circuit 172 to be connected with electromagnetic induction coil 171, this electromagnetic induction coil 171 preferably adopts copper cash to make, ac power supply is mainly converted to high-frequency direct-current power supply by this frequency-conversion circuit 172, to power to electromagnetic induction coil 171, when frequency-conversion circuit 172 is energized, the magnetic field of conversion can be produced in space around this electromagnetic induction coil 171, and there is magnetic induction phenomenon in the variation magnetic field that electromagnetic induction coil 171 produces in the metalwork being arranged in oil groove 160, and produce eddy current effect and rapid temperature increases, and then make the temperature of lubricant oil raise rapidly and reduce viscosity, thus, this lubricant oil is made can effectively to lubricate bent axle 150.
Technical solutions of the utility model by arranging a metalwork in the oil groove 160 of compressor 100, and electromagnetic heater 170 is set in the shell 110 of compressor 100, this electromagnetic heater 170 comprises electromagnetic induction coil 171 and the frequency-conversion circuit 172 of the setting of contiguous oil groove 160, the magnetic field that electromagnetic induction coil 171 can change when frequency-conversion circuit 172 is energized, to make to be arranged in the metalwork generation magnetic induction phenomenon of oil groove 160 and to produce eddy current effect and raised temperature rapidly, and then, viscosity is reduced after lubricant oil in oil groove 160 is heated up, thus, this lubricant oil is made can effectively to lubricate bent axle 150, so, shorten the preheat time of this compressor 100 widely, simultaneously, the energy consumed when also reducing this compressor 100 preheating.
Please refer to Fig. 2, this frequency-conversion circuit 172 comprises rectifier 1721, supply convertor 1722, first electric capacity 1723 and switching tube 1724, the input end of rectifier 1721 is connected with alternating source, one output terminal of rectifier 1721 is connected with one end of supply convertor 1722, the other end of supply convertor 1722 is connected with one end of the first electric capacity 1723, the other end of the first electric capacity 1723 is connected with the input end of switching tube 1724, and the first electric capacity 1723 is in parallel with electromagnetic induction coil 171 forms antiresonant circuit, the output terminal of switching tube 1724 is connected with another output terminal of rectifier 1721, the controlled end of switching tube 1724 is in order to receive external control signal, and according to the conducting of control signal control switch pipe 1724 or shutoff.
Concrete, alternating voltage is mainly transformed to VDC by this rectifier 1721, this VDC through supply convertor 1722 frequency conversion and form high-frequency voltage, its frequency is 20 ~ 35KHZ, so, makes this ground electromagnetic induction coil 171 produce the magnetic field of conversion at a high speed, when the magnetic induction line in magnetic field is by metalwork, make this metalwork generation magnetic induction phenomenon and produce countless eddy current, the temperature of this metalwork is improved rapidly, and then reaching the effect of temperature of fast lifting lubricant oil.This switching tube 1724 can be triode or metal-oxide-semiconductor, at this, do not do concrete restriction, when the controlled end of switching tube 1724 receives Continuity signal, this frequency-conversion circuit 172 is on state, this electromagnetic induction coil 171 store electrical energy also produces magnetic field, and the first electric capacity 1723 is in charged state, when the controlled end of switching tube 1724 receives cut-off signal, this frequency-conversion circuit 172 is in off state, this electromagnetic induction coil 171 and the first electric capacity 1723 form primary Ioops, electromagnetic induction coil 171 continues to discharge to the first electric capacity 1723, first electric capacity 1723 continues charging, when the electric energy in the first electric capacity 1723 reaches maximum, first electric capacity 1723 starts electric discharge, now, current direction in first electric capacity 1723 and electromagnetic induction coil 171 changes, the direction of the magnetic induction line in the magnetic field that electromagnetic induction coil 171 produces converts, when the electric energy in the first electric capacity 1723 is released into minimum, the controlled end of switching tube 1724 can receive Continuity signal again, so, go round and begin again, make electric current coil being formed direction change, and then form the magnetic field of conversion.
Further, please refer to Fig. 2, frequency-conversion circuit 172 is also provided with the diode 1725 in parallel with switching tube 1724, and the negative electrode of this diode 1725 is connected to the input end of switching tube 1724, and anode is connected to the output terminal of switching tube 1724.The effect of the main device protective switch pipe 1724 of this diode 1725, so, avoids the voltage excessive and impaired problem generation of switching tube 1724 because of two ends.
Further, please refer to Fig. 2, frequency-conversion circuit 172 is provided with the second electric capacity 1726, and the two ends of this second electric capacity 1726 are connected with two output terminals of rectifier 1721 respectively, and the second electric capacity 1726 mainly plays filtering in the present embodiment.
In the utility model embodiment, please refer to Fig. 1, this metalwork is the clutch shaft bearing 180 being socketed on bent axle 150 and being placed in oil groove 160.So, simplify the structure of this compressor 100, meanwhile, metalwork in oil groove 160 also can be avoided when carrying compressor 100, the problem skidding off oil groove 160 occurs.
In embodiment of the present utility model, this electromagnetic induction coil 171 is located on clutch shaft bearing 180.Concrete, this clutch shaft bearing 180 is adopted and is made of a steel, when electromagnetic induction coil 171 energising produces the magnetic field of conversion, the little eddy current that clutch shaft bearing 180 is countless because inside can produce and being rapidly heated, thus make the lubricant oil of contiguous clutch shaft bearing 180 be rapidly heated and reduce viscosity, and then bent axle 150 can be lubricated by lubricated oil, what should say is, this electromagnetic induction coil 171 is located on clutch shaft bearing 180, or be fixed on clutch shaft bearing 180 by screw, so, the installing space of electromagnetic induction coil 171 is saved.Should say, please refer to Fig. 1, cylinder 140 is back to the side of oil groove 160, and be provided with the second bearing 190 be socketed for bent axle 150, this electromagnetic induction coil 171 is located on the second bearing 190.This second bearing 190 is also adopted and is made of a steel, it can strengthen the magnetic intensity in the magnetic field that electromagnetic induction coil 171 produces, so, be conducive to rapid heating clutch shaft bearing 180, and then shorten the time of the lubricant oil intensification in oil groove 160, also namely the low viscous time falls in this lubricant oil, thus shortens the time that this compressor 100 starts at low ambient temperatures.Obviously, the design is not limited thereto, and this electromagnetic induction coil 171 can also to be located in oil groove 160 and to be fixed on the internal face of oil groove 160, and its effect, does not repeat them here.
The utility model also proposes a kind of chiller plant (not shown), this chiller plant comprises compressor 100, the concrete structure of this compressor 100 is with reference to above-described embodiment, because this chiller plant have employed whole technological schemes of above-mentioned all embodiments, therefore all beneficial effects that the technological scheme at least having above-described embodiment is brought, this is no longer going to repeat them.
In embodiment of the present utility model, chiller plant comprises the controller (not shown) be electrically connected with electromagnetic electrothermic device, and the Temperature Detector (not shown) be located in oil groove 160, this Temperature Detector is in order to detect the temperature value in oil groove 160, whether too high to judge the oil body in this oil groove 160, and cause this lubricant oil cannot play the effect of lubrication bent axle 150, the temperature value that this controller sends according to Temperature Detector controls electromagnetic heater 170, concrete, the input end of this controller is connected with this Temperature Detector, the output terminal of this controller is connected with the controlled end of switching tube 1724, when the temperature value that Temperature Detector sends is lower than predefined value, the output terminal of controller to transmit control signal control switch pipe 1724 alternate conduction to the controlled end of switching tube 1724, with the magnetic field making electromagnetic induction coil 171 produce conversion, and then make lubricant oil in this oil groove 160 under the effect of the metalwork heated up and raised temperature, thus, reduce oil body, make this lubricant oil can lubricate bent axle 150, and then reduce moment of rotation required when compressor 100 starts, compressor 100 is facilitated to start, when the temperature value that Temperature Detector sends is higher than predefined value, also namely this oil body is lower, and bent axle 150 can be lubricated, the controlled end that controller does not close to open pipe transmits control signal, also namely this electromagnetic heater 170 does not work, so, achieve the startup of this electromagnetic heater 170 of intelligent control, and then save the consumption of the energy.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every under model utility design of the present utility model; utilize the equivalent structure transformation that the utility model specification and accompanying drawing content are done, or directly/be indirectly used in other relevant technical fields to include in scope of patent protection of the present utility model.
Claims (10)
1. a compressor, comprise shell, be installed on described shell inside crankshaft and the oil groove in order to store lubricant oil, one end of described bent axle extends in described oil groove, it is characterized in that, metalwork is provided with in described oil groove, described compressor also comprises electromagnetic electrothermic device, and described electromagnetic electrothermic device comprises the electromagnetic induction coil that contiguous described oil groove is arranged and the frequency-conversion circuit be connected with described electromagnetic induction coil, and described metalwork is in the generation magnetic field of described electromagnetic induction coil.
2. compressor as claimed in claim 1, it is characterized in that, described frequency-conversion circuit comprises rectifier, supply convertor, first electric capacity and switching tube, the input end of described rectifier is connected with alternating source, one output terminal of described rectifier is connected with one end of supply convertor, the other end of described supply convertor is connected with one end of described first electric capacity, the other end of described first electric capacity is connected with the input end of described switching tube, and the two ends of described electromagnetic induction coil correspondence is connected with the two ends of described first electric capacity, the output terminal of described switching tube is connected with another output terminal of described rectifier, the controlled end of described switching tube is in order to receive external control signal, and conducting or the shutoff of described switching tube is controlled according to control signal.
3. compressor as claimed in claim 1, is characterized in that, be provided with the clutch shaft bearing of one end socket stretching to described oil groove for described bent axle in described oil groove, described metalwork is described clutch shaft bearing.
4. compressor as claimed in claim 3, it is characterized in that, described electromagnetic induction coil is located on described clutch shaft bearing.
5. compressor as claimed in claim 1, is characterized in that, described cylinder is back to the side of described oil groove, and be provided with the second bearing for described bent axle socket, described electromagnetic induction coil is located on described second bearing.
6. compressor as claimed in claim 1, is characterized in that, described electromagnetic induction coil to be located in described oil groove and to be fixed on the internal face of described oil groove.
7. the compressor as described in claim 1 to 6 any one, is characterized in that, described compressor is rotary compressor or scroll compressor.
8. a chiller plant, is characterized in that, comprises compressor as described in claim 1 to 7 any one.
9. chiller plant as claimed in claim 8, it is characterized in that, described chiller plant comprises the controller be electrically connected with described electromagnetic electrothermic device and the Temperature Detector be located in described oil groove, described Temperature Detector is in order to detect the temperature in described oil groove, and the temperature value that described controller is used for detecting according to described Temperature Detector controls described electromagnetic electrothermic device.
10. chiller plant as claimed in claim 8 or 9, it is characterized in that, described chiller plant is air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100679.8U CN205207191U (en) | 2015-12-23 | 2015-12-23 | Compressor and refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100679.8U CN205207191U (en) | 2015-12-23 | 2015-12-23 | Compressor and refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207191U true CN205207191U (en) | 2016-05-04 |
Family
ID=55844914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521100679.8U Expired - Fee Related CN205207191U (en) | 2015-12-23 | 2015-12-23 | Compressor and refrigeration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972770A (en) * | 2016-05-30 | 2016-09-28 | 海信（山东）空调有限公司 | Heating control method and device for air conditioner system and air conditioner system |
| CN110541810A (en) * | 2019-09-10 | 2019-12-06 | 青岛海信日立空调系统有限公司 | Compressor driving circuit, control method and control device and air conditioner |
-
2015
- 2015-12-23 CN CN201521100679.8U patent/CN205207191U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972770A (en) * | 2016-05-30 | 2016-09-28 | 海信（山东）空调有限公司 | Heating control method and device for air conditioner system and air conditioner system |
| CN105972770B (en) * | 2016-05-30 | 2019-08-02 | 海信（山东）空调有限公司 | Air-conditioning system method for heating and controlling, device and air-conditioning system |
| CN110541810A (en) * | 2019-09-10 | 2019-12-06 | 青岛海信日立空调系统有限公司 | Compressor driving circuit, control method and control device and air conditioner |
| CN110541810B (en) * | 2019-09-10 | 2020-09-25 | 青岛海信日立空调系统有限公司 | Compressor driving circuit, control method and control device and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |