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Scroll compressor and restarting method thereof
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A technology for scroll compressors and compression chambers, which is applied to rotary piston machines, machines/engines, rotary piston pumps, etc., and can solve problems such as difficulty in restarting
Inactive Publication Date: 2017-10-03
SANDEN HUAYU AUTOMOTIVE AIR CONDITIONING CO LTD
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Abstract
Description
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[0004] The purpose of the present invention is to provide a scroll compressor and its restarting method to solve the problem of difficulty in restarting in a short time
Method used
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Embodiment 2
[0026] image 3 The example shown with the figure 1 , 2 The same parts in the illustrated embodiment are omitted, and the same reference numerals are given to the parts that perform the same functions for description.
[0027] The difference with embodiment 1 is the structure of the valve, such as image 3 As shown, the valve includes a valve housing 46 fixed in the crankshaft 2, the seat 41, spring 42, armature 43, and valve core 44 are sequentially installed in the valve housing 46, the seat 41 is fixed with the valve housing 46, and the valve housing 46 and A valve hole 50 runs through the axial channels 6 , and when the valve core 44 closes the valve hole 50 , the axial channel 6 is closed. The valve casing 46 is made of magnetically permeable material, which can increase the magnetic force of the armature 43 .
[0028] When shutting down, the coil 49 of the solenoid is energized, the solenoid attracts the armature 43, and the armature 43 drives the spool 44 to open th...
Embodiment 3
[0031] Figure 4 The example shown with the image 3 The same parts in the illustrated embodiment are omitted, and the same reference numerals are given to the parts that perform the same functions for description.
[0032] The difference between embodiment 3 and embodiment 2 is that there is an iron core 47 inside the valve seat 41, and the iron core 47 is close to the solenoid. When the solenoid is energized, the iron core 47 is excited. A spring 42 is provided between the iron core 47 and the armature 43 , and the armature 43 is fixedly connected with the valve core 44 .
[0033] When shutting down, the coil 49 of the solenoid is energized, the solenoid attracts the armature 43, and the armature 43 drives the spool 44 to open the axial passage 6, so that the back pressure chamber 31 communicates with the low pressure chamber 28, and the pressure in the back pressure chamber 31 is obtained. freed. After the pressure in the back pressure chamber 31 is reduced, the movable ...
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Abstract
The purpose of the present invention is to provide a scroll compressor and its restarting method, so as to solve the problem of difficulty in restarting in a short time. The scroll compressor for achieving the stated purpose includes a low-pressure chamber for absorbing low-pressure refrigerant, a compression chamber formed by meshing a fixed scroll and a movable scroll for drawing refrigerant from the low-pressure chamber, and receiving high-pressure refrigerant discharged from the compression chamber. The high-pressure chamber of the agent and the back-pressure chamber arranged on the back side of the movable scroll are characterized in that they also include a channel connecting the low-pressure chamber and the back-pressure chamber and a valve for controlling the opening and closing of the channel; the channel and the The valve is arranged in the crankshaft capable of driving the movable scroll to rotate, and the valve is arranged at one end of the crankshaft close to the casing of the scroll compressor.
Description
technical field [0001] The invention relates to a scroll compressor, which comprises a low-pressure chamber for absorbing low-pressure refrigerant, a compression chamber formed by meshing a fixed scroll and a movable scroll for drawing refrigerant from the low-pressure chamber, and receiving high-pressure refrigerant discharged from the compression chamber. The high pressure chamber and the back pressure chamber set on the back side of the static scroll. Background technique [0002] The back of the movable scroll of the scroll compressor is often provided with a back pressure chamber. During the operation of the compressor, the high-pressure gas in the back pressure chamber pushes the movable scroll to the fixed scroll, so that the meshing end surfaces between the movable scroll and the fixed scroll are in close contact, and the internal leakage between the compression chambers is reduced. [0003] The current scroll compressor has the problem of difficulty in restarting w...
Claims
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/02F04C28/06
Inventor 樊灵
Owner SANDEN HUAYU AUTOMOTIVE AIR CONDITIONING CO LTD
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