CN2864160Y - Scroll compressor and starting torque control structure thereof - Google Patents
Scroll compressor and starting torque control structure thereof Download PDFInfo
- Publication number
- CN2864160Y CN2864160Y CNU2005200479934U CN200520047993U CN2864160Y CN 2864160 Y CN2864160 Y CN 2864160Y CN U2005200479934 U CNU2005200479934 U CN U2005200479934U CN 200520047993 U CN200520047993 U CN 200520047993U CN 2864160 Y CN2864160 Y CN 2864160Y
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- compressor
- unloading hole
- vortex disk
- static vortex
- orbiting scroll
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Abstract
The utility model discloses a starting-torque controller for scroll compressor with intersected static orbiting scroll and movable orbiting scroll. The static orbiting scroll and movable orbiting scroll form up an air aspiration cavity, an intermediate cavity and an exhaust cavity. On the static orbiting scroll, one or several unloading holes are made, which will open and discharge air in the intermediate cavity formed up by the static and movable orbiting scroll when the compressor starts, and close when the compressor speed rises up. The utility model also discloses a scroll compressor using the starting-torque controller. The utility model is characterized in that: the starting torque of the compressor is reduced by solenoid valve, so the reliability of the electric compressor is improved. The utility model solves efficiently too high starting torque in electric compressors in vehicles, hence ensures the stability in operation of them.
Description
Technical field
The utility model relates to the priming technique of scroll compressor, more particularly, relates to a kind of detent torque control structure that is used for electric scroll compressor for vehicles.
Background technique
At present electric scroll compressor does not substantially have the device that reduces the compressor torque when starting, during the driven by motor compressor start load very big, and cause the overcompression of refrigeration agent easily.Such design not only is easy to generate bigger impulsive load, and can cause compressor liquid hammer, the high excessively operating mode in compressor life-span that is unfavorable for of relief opening temperature to occur, and will influence the normal operation of whole automotive air conditioning system when serious.
So, just need a kind of device that can when compressor start and when the relief opening temperature is too high, effectively reduce load.
The model utility content
The purpose of this utility model provides a kind of technology that can effectively reduce load when compressor start and when the relief opening temperature is too high.
According to one side of the present utility model, a kind of detent torque control structure of scroll compressor is provided, be used to have interlaced static vortex disk, the scroll compressor of movable orbiting scroll, described static vortex disk, movable orbiting scroll rotation form air aspiration cavity, middle chamber and exhaust cavity, have one or several unloading holes on the described static vortex disk, described unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll when compressor start, closed after compressor rotary speed rises.
Preferable, described static vortex disk also comprises a relief opening, when the temperature of relief opening was too high, described unloading hole was opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll, and after the relief opening temperature is recovered normally, the unloading hole closure.
Described unloading hole is by the electromagnetic valve folding, when compressor start, the electromagnetic valve unloading hole is opened, after compressor rotary speed rises, electromagnetic valve unloading hole closure, same, when the temperature of relief opening is too high, the electromagnetic valve unloading hole is opened, after the relief opening temperature is recovered normally, and electromagnetic valve unloading hole closure.
According to an embodiment of the present utility model, the quantity of described unloading hole is two, is positioned on the static vortex disk position corresponding to the middle chamber that is formed by static vortex disk and movable orbiting scroll.
According on the other hand of the present utility model, a kind of scroll compressor is provided, comprise interlaced static vortex disk, movable orbiting scroll, described static vortex disk, movable orbiting scroll rotation form air aspiration cavity, middle chamber and exhaust cavity, also comprise the detent torque control structure, have one or several unloading holes on described static vortex disk, described unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll when compressor start, and is closed after compressor rotary speed rises.
Preferable, described static vortex disk also comprises a relief opening, when the temperature of relief opening was too high, described unloading hole was opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll, and after the relief opening temperature is recovered normally, the unloading hole closure.
Described unloading hole is by the electromagnetic valve folding, when compressor start, the electromagnetic valve unloading hole is opened, after compressor rotary speed rises, electromagnetic valve unloading hole closure, same, when the temperature of relief opening is too high, the electromagnetic valve unloading hole is opened, after the relief opening temperature is recovered normally, and electromagnetic valve unloading hole closure.
According to an embodiment of the present utility model, the quantity of described unloading hole is two, is positioned on the static vortex disk position corresponding to the middle chamber that is formed by static vortex disk and movable orbiting scroll.
Adopted the technical solution of the utility model, reduced the detent torque of compressor, improved the reliability of motor compressor work by electromagnetic valve.The utility model has effectively solved the excessive problem of electric automotive compressor start torque, thereby has guaranteed the stability of motor compressor work.
Description of drawings
The above and other feature of the present utility model, character and advantage will become more obvious by the description below in conjunction with drawings and Examples, identical in the accompanying drawings reference character is represented identical feature all the time, wherein,
Fig. 1 is according to an embodiment's of the present utility model detent torque control structure and uses the structural drawing of the scroll compressor of this structure.
Embodiment
Electric scroll compressor is when starting, and vortex cavity volume inner refrigerant is compressed in the rotation of driven by motor movable orbiting scroll.Because this moment, exhaust cavity exhaust ports exhaust valve plate was not opened as yet, intermediate cavity gas by compression produces big torque to rotatingshaft, causes motor load sharply to increase.Also cause simultaneously intermediate cavity gas to produce overcompression easily, cause the bigger impulsive load of exhaust cavity easily, even more serious is to cause the relief opening temperature to raise.The too high temperature of relief opening not only reduces the refrigerating efficiency of automotive air conditioning system, and high temperature can cause the deterioration of lubricant in the refrigeration agent simultaneously, and decarburization causes the compressor lubrication condition to destroy, and the whirlpool mill decreases aggravation, and the compressor life-span shortens.Consider the performance characteristic of scroll compressor, can be by partly have unloading hole at the scroll middle chamber by the electromagnetic valve folding, when compressor start, the electromagnetic valve unloading hole is opened, reduce gas pressure in the intermediate cavity, and then reduce the compressor start torque, after machine rotating speed to be compressed rises, make solenoid closure again, the whole system proper functioning.Reduce the detent torque of compressor like this by electromagnetic valve, improved the reliability of motor compressor work.
Thus, the utility model proposes a solution, according to one side of the present utility model, a kind of detent torque control structure of scroll compressor is provided, be used to have interlaced static vortex disk, the scroll compressor of movable orbiting scroll, static vortex disk, movable orbiting scroll rotation form air aspiration cavity, middle chamber and exhaust cavity, have one or several unloading holes on the static vortex disk, unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll when compressor start, closed after compressor rotary speed rises.
According to an embodiment, static vortex disk also comprises a relief opening, and when the temperature of relief opening was too high, unloading hole was opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll, after the relief opening temperature is recovered normally, and the unloading hole closure.
According to an embodiment, unloading hole is by the electromagnetic valve folding, when compressor start, the electromagnetic valve unloading hole is opened, after compressor rotary speed rises, electromagnetic valve unloading hole closure, equally, when the temperature of relief opening was too high, the electromagnetic valve unloading hole was opened, after the relief opening temperature is recovered normally, electromagnetic valve unloading hole closure.
According to an embodiment, the quantity of unloading hole is two, is positioned on the static vortex disk position corresponding to the middle chamber that is formed by static vortex disk and movable orbiting scroll.
According on the other hand of the present utility model, a kind of scroll compressor is provided, comprise interlaced static vortex disk, movable orbiting scroll, static vortex disk, movable orbiting scroll rotation form air aspiration cavity, middle chamber and exhaust cavity, also comprise the detent torque control structure, have one or several unloading holes on static vortex disk, unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll when compressor start, and is closed after compressor rotary speed rises.
According to an embodiment, static vortex disk also comprises a relief opening, and when the temperature of relief opening was too high, described unloading hole was opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll, after the relief opening temperature is recovered normally, and the unloading hole closure.
According to an embodiment, unloading hole is by the electromagnetic valve folding, when compressor start, the electromagnetic valve unloading hole is opened, after compressor rotary speed rises, electromagnetic valve unloading hole closure, equally, when the temperature of relief opening was too high, the electromagnetic valve unloading hole was opened, after the relief opening temperature is recovered normally, electromagnetic valve unloading hole closure.
According to an embodiment, the quantity of unloading hole is two, is positioned on the static vortex disk position corresponding to the middle chamber that is formed by static vortex disk and movable orbiting scroll.
Fig. 1 is according to an embodiment's of the present utility model detent torque control structure and uses the structural drawing of the scroll compressor of this structure.With reference to figure 1 as seen, one scroll compressor 100 comprises interlaced static vortex disk 102, movable orbiting scroll 104, static vortex disk 102 and movable orbiting scroll 104 rotations can form air aspiration cavity, middle chamber and exhaust cavity, in position corresponding to middle chamber 106, be also shown in detent torque control structure of the present utility model among Fig. 1, this control structure is: have one or several unloading holes 108 on the static vortex disk 102, unloading hole 108 is opened the gas that is used for draining formed middle chamber 106 when compressor start, closed after compressor rotary speed rises.Also comprise a relief opening 110 among the embodiment shown in Fig. 1.When the temperature of relief opening 110 was too high, unloading hole 108 also can be opened, after relief opening 110 temperature are recovered normally, and unloading hole 108 closures.Equally with reference to figure 1 as seen, the quantity of unloading hole 108 is two, is positioned on the static vortex disk 102 position corresponding to the middle chamber that is formed by static vortex disk and movable orbiting scroll.
Unloading hole shown in this embodiment is by electromagnetic valve, promptly when compressor start, electromagnetic valve unloading hole 108 is opened, after compressor rotary speed rises, electromagnetic valve unloading hole 108 closures, same, when the temperature of relief opening 110 is too high, electromagnetic valve unloading hole 108 is opened, after relief opening 110 temperature are recovered normally, and electromagnetic valve unloading hole 108 closures.In this embodiment, can the peripheral control unit control electromagnetic valve by compressor when compressor start, open the unloading hole 108 of static vortex disk 102 corresponding to swirl chamber middle chamber 106 positions, receive after feedback signal determines that dragging motor drives compressor rotary speed and arrives definite value and can settle out at controller, then close solenoid valve, thereby close unloading hole 108.The compressor starts proper functioning.In compressor operation, in case find that relief opening 110 temperature are too high, can be by opening solenoid valve once more, by opening unloading hole 108 direct off-loads.
Adopted the technical solution of the utility model, reduced the detent torque of compressor, improved the reliability of motor compressor work by electromagnetic valve.The utility model has effectively solved the excessive problem of electric automotive compressor start torque, thereby has guaranteed the stability of motor compressor work.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present utility model; those skilled in the art can be under the situation that does not break away from invention thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (8)
1. the detent torque control structure of a scroll compressor, be used to have interlaced static vortex disk, the scroll compressor of movable orbiting scroll, described static vortex disk, movable orbiting scroll rotation form air aspiration cavity, middle chamber and exhaust cavity, it is characterized in that, have one or several unloading holes on the described static vortex disk, described unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll when compressor start, closed after compressor rotary speed rises.
2. detent torque control structure as claimed in claim 1, it is characterized in that, described static vortex disk also comprises a relief opening, when the temperature of relief opening is too high, described unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll, after the relief opening temperature is recovered normally, the unloading hole closure.
3. detent torque control structure as claimed in claim 1 or 2, it is characterized in that described unloading hole is by the electromagnetic valve folding, when compressor start, the electromagnetic valve unloading hole is opened, after compressor rotary speed rises, electromagnetic valve unloading hole closure, same, when the temperature of relief opening is too high, the electromagnetic valve unloading hole is opened, after the relief opening temperature is recovered normally, and electromagnetic valve unloading hole closure.
4. detent torque control structure as claimed in claim 1 or 2 is characterized in that the quantity of described unloading hole is two, is positioned on the static vortex disk position corresponding to the middle chamber that is formed by static vortex disk and movable orbiting scroll.
5. scroll compressor, comprise interlaced static vortex disk, movable orbiting scroll, described static vortex disk, movable orbiting scroll rotation form air aspiration cavity, middle chamber and exhaust cavity, it is characterized in that, also comprise the detent torque control structure, have one or several unloading holes on described static vortex disk, described unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll when compressor start, and is closed after compressor rotary speed rises.
6. scroll compressor as claimed in claim 5, it is characterized in that, described static vortex disk also comprises a relief opening, when the temperature of relief opening is too high, described unloading hole is opened the gas that is used to drain in the middle chamber that is formed by static vortex disk and movable orbiting scroll, after the relief opening temperature is recovered normally, the unloading hole closure.
7. as claim 5 or 6 described scroll compressors, it is characterized in that described unloading hole is by the electromagnetic valve folding, when compressor start, the electromagnetic valve unloading hole is opened, after compressor rotary speed rises, electromagnetic valve unloading hole closure, same, when the temperature of relief opening is too high, the electromagnetic valve unloading hole is opened, after the relief opening temperature is recovered normally, and electromagnetic valve unloading hole closure.
8. as claim 5 or 6 described scroll compressors, it is characterized in that the quantity of described unloading hole is two, be positioned on the static vortex disk position corresponding to the middle chamber that forms by static vortex disk and movable orbiting scroll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200479934U CN2864160Y (en) | 2005-12-26 | 2005-12-26 | Scroll compressor and starting torque control structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200479934U CN2864160Y (en) | 2005-12-26 | 2005-12-26 | Scroll compressor and starting torque control structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864160Y true CN2864160Y (en) | 2007-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200479934U Expired - Fee Related CN2864160Y (en) | 2005-12-26 | 2005-12-26 | Scroll compressor and starting torque control structure thereof |
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| CN (1) | CN2864160Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626116A (en) * | 2017-03-23 | 2018-10-09 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and control method of scroll compressor |
-
2005
- 2005-12-26 CN CNU2005200479934U patent/CN2864160Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626116A (en) * | 2017-03-23 | 2018-10-09 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and control method of scroll compressor |
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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: 20070131 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |