CN201908837U - Axial variable-displacement scroll refrigeration compressor - Google Patents
Axial variable-displacement scroll refrigeration compressor Download PDFInfo
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- CN201908837U CN201908837U CN2011200040369U CN201120004036U CN201908837U CN 201908837 U CN201908837 U CN 201908837U CN 2011200040369 U CN2011200040369 U CN 2011200040369U CN 201120004036 U CN201120004036 U CN 201120004036U CN 201908837 U CN201908837 U CN 201908837U
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Abstract
The utility model provides an axial variable-displacement scroll refrigeration compressor in order to meet the requirement of the change of refrigerating or heating load, and the refrigeration compressor can realize continuous microregulation, reduce the investment and save energy. In an axial air supply regulation mechanism, a rotary ring is sleeved on an exhaust pipe, the outer surface of the rotary ring is provided with a push plate notch and a sloped notch, the opening of the sloped notch is downward, the outer surface of an exhaust adapter and the inner surface of the exhaust hole of a fixed scroll are provided with guide ways, in which a prop rod is arranged, one end of the prop rod props the sloped side in the sloped notch, the other end of the prop rod props the fixed scroll, a check ring is sleeved on the prop rod to check the prop rod, and is firmly connected with the fixed scroll, adjusting springs are mounted between the jointed surfaces of the fixed scroll and a base, a piston spring is arranged between a piston and the bottom of an air cylinder, one end of a push rod is connected with the piston, the other end of the push rod is connected with a push plate, one end of a high-pressure air adaptor is connected with the air inlet on a cylinder cover, and the other end of the high-pressure air adaptor is connected with the exhaust pipe through a regulating valve. The compressor can realize axial air output regulation and unloaded starting.
Description
Technical field
The utility model relates to a kind of swirl type cold compressor of axial change discharge capacity.
Background technique
The premium properties of scroll compressor makes it obtain using more and more widely in refrigeration plant.For satisfying the demand of refrigeration or heat supply, the displacement that compressor provides should adapt to the demand of refrigeration or heating demand, reduces the consumption of the energy, requires refrigeration compressor to have the function that output tolerance is regulated.At present, the method that the swirl type cold compressor displacement is regulated requires high to motor properties, initial cost is big, along with energy day is becoming tight, the urgent need development structure is simple, control is convenient, save the product of the energy-conserving and environment-protective more of investing, with the satisfied market demand that increases day by day, but also there is not to propose the specifically technological scheme of enforcement at present.
The model utility content
The utility model is in order to overcome deficiency of the prior art, a kind of scroll compressor that axial displacement is regulated that has to be provided, to satisfy the variation demand of refrigeration or heating demand, reducing investment, protection environment, energy saving.
The utility model is achieved through the following technical solutions:
A kind of swirl type cold compressor of axial change discharge capacity, it is characterized in that, comprise fixed scroll, vent connection, outlet pipe, casing, sucking pipe, motor stator, rotor, main shaft, support, cross coupling ring, rotation scroll, axial displacement controlling mechanism;
Main shaft is a crank shaft structure, the main shaft axial direction offers eccentric oil duct, the end that main shaft has an eccentric oil duct passes support and cooperates with rotor, the eccentric crank pin of main shaft cooperates with the axle connecting groove in the outside, rotation scroll chassis simultaneously, rotor cooperates with motor stator, motor stator cooperates with casing, and center position is equipped with the outlet pipe that welds with casing on the casing; Boss on the cross coupling ring with lay respectively at support and rotation scroll on become the groove fit of cross distribution to be connected support and to rotate scroll; Support two boss and casing radially closely cooperates; The exhaust port place of fixed scroll is sealedly connected with vent connection, and described vent connection is connected with outlet pipe; Accompany gasket seal between support and the fixed scroll;
Fixed scroll and of the phase difference engagement of rotation scroll with 180 degree, side contacts in the chassis of the top of the scroll wrap of fixed scroll and rotation scroll, the chassis inner surface of fixed scroll contacts with the top end surface of the scroll wrap of rotation scroll, and the compression volume that on axis, forms outermost breathing space, exhaust space that innermost layer communicates with exhaust port, centre totally three pairs of working rooms, described support is provided with the intakeport that is communicated with outermost breathing space; Be welded with sucking pipe with the corresponding position of described intakeport on the described casing;
Described axial displacement controlling mechanism comprises swivel becket, baffle ring, push rod, cylinder, piston, cylinder cap, piston spring, push pedal, push rod, modulating valve, pressurized gas are taken over, the Regulation spring of axial stretching, it is outside and spacing by vent connection that swivel becket is enclosed within outlet pipe, described swivel becket outer surface is provided with the push pedal groove and to the skewed slot of under shed, be provided with the guiding groove that matches with push rod at vent connection outer surface and fixed scroll exhaust port internal surface with the corresponding position of skewed slot, push rod is installed in the guiding groove, push rod one end withstands the hypotenuse in the skewed slot, the other end withstands fixed scroll, baffle ring is enclosed within the push rod outside and blocks push rod and fixedly connected with fixed scroll, the Regulation spring of described axial stretching is installed in the junction surface of fixed scroll and support, cylinder welds with cylinder cap and casing respectively, in the described cylinder piston is installed, between piston and the cylinder bottom piston spring is installed, push rod one end passes cylinder bottom and piston spring is fixedlyed connected with piston, and the described push rod the other end is fixedlyed connected with the push pedal in being installed in swivel becket outer surface push pedal groove; The end that pressurized gas are taken over is connected with the suction port on the cylinder cap, and the other end that pressurized gas are taken over is connected with outlet pipe by modulating valve.
Described casing is formed by connecting by upper half-shell and housing lower half, is equipped with on the housing lower half to look oily mirror.
The utlity model has following technique effect:
1, scroll compressor of the present utility model, utilize axial displacement controlling mechanism to back down fixed scroll, fixed scroll and rotation scroll are axially broken away from, gas by the center high pressure along radially to the low pressure air suction side flow, the tolerance of discharging compressor reduces, realize the adjusting of output tolerance, satisfy the variation demand of refrigeration or heating demand.Simultaneously, realize that unloading starts, improve the ride quality of refrigeration compressor, reduce cost energy saving.
2, the utility model tape spool is simple to the scroll compressor component structural of displacement adjusting, and processing and assembling is convenient, and consumptive material is few, and cost is low, control is flexible, and is safe and reliable.
Description of drawings
Fig. 1 axially becomes the schematic representation of the swirl type cold compressor of discharge capacity for the utility model;
Fig. 2 is the A-A sectional view;
Fig. 3 is the B-B sectional view;
Fig. 4 is the schematic representation of axial displacement controlling mechanism.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The schematic representation of the swirl type cold compressor of axial change discharge capacity of the present utility model as shown in Figures 1 to 4.Comprise fixed scroll 1, vent connection 3, outlet pipe 4, casing 5, sucking pipe 8, motor stator 9, rotor 10, main shaft 11, support 12, cross coupling ring 13, rotation scroll 14, axial displacement controlling mechanism.
Fixed scroll 1 and of the phase difference engagement of rotation scroll 14 with 180 degree, side contacts in the chassis of the top of the scroll wrap of fixed scroll and rotation scroll, the chassis inner surface of fixed scroll contact with the top end surface of scroll wrap of rotation scroll, and on axis, form outermost breathing space, the compression volume of exhaust space that innermost layer communicates with exhaust port, centre totally three pairs of working rooms.Support 12 is provided with the intakeport that is communicated with outermost breathing space.Be welded with sucking pipe 8 with the corresponding position of described intakeport on the described casing.During compressor operating, rotate, each swept volume of a single chamber is constantly diminished from outside to inside, thereby realize the purpose of air-breathing, compression and exhaust along with main axis rotation driven rotary scroll.
Described axial displacement controlling mechanism comprises the Regulation spring 15 of swivel becket 6, baffle ring 2, push rod 7, cylinder 24, piston 21, cylinder cap 22, piston spring 20, push pedal 18, push rod 19, modulating valve 27, pressurized gas adapter 23, axial stretching, swivel becket 6 is enclosed within outlet pipe 4 outsides, vent connection 3 is big than the external diameter of outlet pipe 4, the internal diameter of swivel becket 6 is little than the external diameter of vent connection 3, swivel becket 6 is enclosed within that outlet pipe 4 is outer to be cooperated with the projection of vent connection 3 and to pass through vent connection spacing, and swivel becket 6 can rotate outside outlet pipe 4.Described swivel becket 6 outer surfaces are provided with push pedal groove 25 and to the skewed slot 26 of under shed, be provided with the guiding groove that matches with push rod at vent connection outer surface and fixed scroll exhaust port internal surface with the corresponding position of skewed slot, push rod 7 is installed in the guiding groove, push rod 7 one ends withstand the hypotenuse in the skewed slot 26, the other end withstands fixed scroll 1, and push rod 7 can be along skewed slot 26 slide relative of swivel becket 6.Baffle ring 2 is enclosed within push rod 7 outsides and blocks push rod and fixedly connected with fixed scroll, prevents push rod 7 cantings, skids off swivel becket 6 from skewed slot 26.The Regulation spring 15 of described axial stretching is installed on the junction surface of fixed scroll 1 and support 12, cylinder 24 welds with cylinder cap 22 and casing 12 respectively, piston 21 is installed in the cylinder 24, piston spring 20 is installed between piston 21 and the cylinder bottom, push rod 19 1 ends pass cylinder bottom and piston spring is fixedlyed connected with piston 21, and push rod 19 the other ends are fixedlyed connected with the push pedal 18 in being installed in swivel becket outer surface push pedal groove.Push rod 19 can move back and forth in cylinder 24 with piston 21, and the promotion push pedal is moved along the tangent direction of swivel becket 6 together.One end of pressurized gas adapter 23 is connected with the suction port on the cylinder cap 22, and the other end that pressurized gas are taken over is connected with outlet pipe 4 by modulating valve 27, and the aperture of modulating valve 27 and opening time can be regulated automatically.
For the stability and the uniformity of regulating, push rod and its corresponding skewed slot can be for how right, and be uniform along the swivel becket circumferencial direction.The Regulation spring of axial stretching can be for a plurality of, and is uniform along the fixed scroll circumferencial direction.
Described casing is formed by connecting by upper half-shell and housing lower half, is equipped with on the housing lower half of described casing to look oily mirror.
During assembling, a face down bonding of push rod 19 is taken over a job and is filled in 21, and piston spring 20 is outside opposite side is enclosed within push rod 19, insert cylinder 24, make an end of piston spring 20 withstand piston 21, an other side is withstood cylinder 24 bottom interior wall, an other end of push rod 19 and push pedal 18 welding, cylinder cap 22 and cylinder 24 welding.The end that main shaft 11 has oil leab cooperates with support 12, rotation scroll 14 cooperates with main shaft 11, groove by the outside, rotation scroll chassis cooperates with the boss of cross coupling ring 13 with the cross recess 17 that the groove on the support is formed, place Regulation spring 15 in the spring groove 16 of support 12, cooperate with fixed scroll 1 after placing gasket seal between support and the fixed scroll, the part of main shaft 11 being stretched out support 12 cooperates with rotor 10, rotor 10 cooperates with motor stator 9, install on the housing lower half of casing 5 and look oily mirror, above-mentioned integral body is pressed into the housing lower half of casing 5, inject and calculate good lubricants capacity, with sucking pipe 8 and casing 5 welding.One end of outlet pipe 4 and vent connection 3 welding, the other end of swivel becket 6 from outlet pipe 4 is inserted in, push rod 7 is cooperated with the skewed slot 26 of swivel becket 6, the groove of fixed scroll 1 exhaust port cooperates with vent connection 3 after being embedded in sealing gasket, and make push rod 7 put into the guiding groove of vent connection outer surface and fixed scroll exhaust port internal surface, baffle ring 2 is enclosed within outside the swivel becket 6, and with fixed scroll 1 welding, the push pedal 18 of above-mentioned mounted cylinder assembly is cooperated with the push pedal groove 25 of swivel becket 6, cylinder and casing welding, with upper half-shell and housing lower half welding, outlet pipe 4 and first casing welding, pressurized gas adapter 23 and outlet pipe 4, connection box for motor is located in modulating valve 27 and cylinder cap 22 welding, take in casing 5 external welding technologies, the assembling of compressor complete machine finishes.During main shaft 11 high speed rotating, be positioned at the lubricant oil of casing 5 bottoms, the eccentric oil duct that axial direction is offered in the main shaft 11 under action of centrifugal force, flowing to needs lubricated surface, the matching gap between obturator, reduces and leaks and frictional loss.
The gas refrigeration working medium of the low-temp low-pressure that is come by vaporizer is entered the space in the casing of compressor by sucking pipe 8, motor is cooled after the suction port on the support 12 enters the outermost volume space of fixed scroll and the formation of rotation scroll, along with main shaft driven rotary scroll is rotated, gas refrigeration working medium enters the volume space that reduces gradually from outside to inside, up to the exhaust space that innermost layer communicates with exhaust port, high temperature and high pressure gas refrigeration working medium after compression enters outlet pipe through exhaust port and discharges compressor.
As shown in Figure 4; when refrigeration compressor starts; the exhaust high pressure of refrigeration system is not also set up fully; modulating valve 27 is all opened; under the promotion of piston spring 20, piston 21 is positioned at the end of cylinder 24, and drive push rod 19 moves to left; push pedal 18 drives swivel becket 6 and rotates; swivel becket 6 skewed slots 26 tangentially move to left, and push rod 7 is along moving on the skewed slot 26, and spring 15 promotes to move on the fixed scroll 1; back down fixed scroll; fixed scroll and rotation scroll 14 are axially broken away from, and gas along radially to the low pressure air suction side flow, realizes that unloading starts by the high pressure side, center; the protection motor, energy efficient.
When needs output tolerance is regulated, open modulating valve 27, from the next pressurized gas of exhaust high pressure pipe line, take over 23 by pressurized gas and enter cylinder 24, overcome the spring force of piston spring 20, promoting piston 21 moves to right, and drive push rod 19 and move to right, push pedal 18 drives swivel beckets 6 and rotates, and swivel becket 6 skewed slots 26 tangentially move to right, push rod 7 moves down along skewed slot 26, promote fixed scroll 1 and move down, when the aperture maximum of opening modulating valve 27, fixed scroll 1 falls back on the support 12, compressor is worked normally, and discharging gas flow is 100%.
Open the size of modulating valve 27 by control and control the distance of moving on the fixed scroll, can regulate the discharge tolerance of compressor.The aperture of modulating valve 27 is big more, the high-pressure gas pressure that comes from the exhaust high pressure pipe line is big, push rod 7 is big more along the distance that skewed slot 26 moves down, the distance that promotion fixed scroll 1 moves down is big more, it is few more that fixed scroll and rotation scroll axially break away from, and along few more to the low pressure air suction side flow radially, it is many more that compressor is discharged gas flow by the high pressure side, center for gas, otherwise then compressor discharge gas flow is few more.
The time of opening modulating valve 27 by control is the air displacement of adjustable compressor also, the time of opening modulating valve 27 is short more, and fixed scroll is short more with the time that the rotation scroll axially breaks away from, and compressor discharge gas flow is many more, otherwise then compressor discharge gas flow is few more.
The swirl type cold compressor of axial change discharge capacity of the present utility model utilizes axial displacement controlling mechanism to realize the adjusting of output tolerance, satisfies the variation demand of refrigeration or heating demand.Simultaneously, realize that unloading starts, improve the ride quality of refrigeration compressor, reduce cost energy saving.
Although the disclosed swirl type cold compressor that relates to a kind of axial change discharge capacity has been carried out special description with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.
Claims (2)
1. swirl type cold compressor that axially becomes discharge capacity, it is characterized in that, comprise fixed scroll, vent connection, outlet pipe, casing, sucking pipe, motor stator, rotor, main shaft, support, cross coupling ring, rotation scroll, axial displacement controlling mechanism;
Main shaft is a crank shaft structure, the main shaft axial direction offers eccentric oil duct, the end that main shaft has an eccentric oil duct passes support and cooperates with rotor, the eccentric crank pin of main shaft cooperates with the axle connecting groove in the outside, rotation scroll chassis simultaneously, rotor cooperates with motor stator, motor stator cooperates with casing, and center position is equipped with the outlet pipe that welds with casing on the casing; Boss on the cross coupling ring with lay respectively at support and rotation scroll on become the groove fit of cross distribution to be connected support and to rotate scroll; Support two boss and casing radially closely cooperates; The exhaust port place of fixed scroll is sealedly connected with vent connection, and described vent connection is connected with outlet pipe; Accompany gasket seal between support and the fixed scroll;
Fixed scroll and of the phase difference engagement of rotation scroll with 180 degree, side contacts in the chassis of the top of the scroll wrap of fixed scroll and rotation scroll, the chassis inner surface of fixed scroll contacts with the top end surface of the scroll wrap of rotation scroll, and the compression volume that on axis, forms outermost breathing space, exhaust space that innermost layer communicates with exhaust port, centre totally three pairs of working rooms, described support is provided with the intakeport that is communicated with outermost breathing space; Be welded with sucking pipe with the corresponding position of described intakeport on the described casing;
Described axial displacement controlling mechanism comprises swivel becket, baffle ring, push rod, cylinder, piston, cylinder cap, piston spring, push pedal, push rod, modulating valve, pressurized gas are taken over, the Regulation spring of axial stretching, it is outside and spacing by vent connection that swivel becket is enclosed within outlet pipe, described swivel becket outer surface is provided with the push pedal groove and to the skewed slot of under shed, be provided with the guiding groove that matches with push rod at vent connection outer surface and fixed scroll exhaust port internal surface with the corresponding position of skewed slot, push rod is installed in the guiding groove, push rod one end withstands the hypotenuse in the skewed slot, the other end withstands fixed scroll, baffle ring is enclosed within the push rod outside and blocks push rod and fixedly connected with fixed scroll, the Regulation spring of described axial stretching is installed in the junction surface of fixed scroll and support, cylinder welds with cylinder cap and casing respectively, in the described cylinder piston is installed, between piston and the cylinder bottom piston spring is installed, push rod one end passes cylinder bottom and piston spring is fixedlyed connected with piston, and the described push rod the other end is fixedlyed connected with the push pedal in being installed in swivel becket outer surface push pedal groove; The end that pressurized gas are taken over is connected with the suction port on the cylinder cap, and the other end that pressurized gas are taken over is connected with outlet pipe by modulating valve.
2. the swirl type cold compressor of axial change discharge capacity according to claim 1 is characterized in that, described casing is formed by connecting by upper half-shell and housing lower half, is equipped with on the housing lower half to look oily mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200040369U CN201908837U (en) | 2011-01-05 | 2011-01-05 | Axial variable-displacement scroll refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200040369U CN201908837U (en) | 2011-01-05 | 2011-01-05 | Axial variable-displacement scroll refrigeration compressor |
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| Publication Number | Publication Date |
|---|---|
| CN201908837U true CN201908837U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200040369U Expired - Lifetime CN201908837U (en) | 2011-01-05 | 2011-01-05 | Axial variable-displacement scroll refrigeration compressor |
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| Country | Link |
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| CN (1) | CN201908837U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032181A (en) * | 2011-01-05 | 2011-04-27 | 天津商业大学 | Scroll compressor with axial displacement regulation |
| CN108547770A (en) * | 2018-05-25 | 2018-09-18 | 天津商业大学 | Become the swirl type cold compressor of vent ports size |
| CN108591061A (en) * | 2018-05-25 | 2018-09-28 | 天津商业大学 | The Horizontal vortex refrigeration compressor adjusted with interior volume specific ratio |
| CN108854281A (en) * | 2018-07-03 | 2018-11-23 | 无锡南理工科技发展有限公司 | A kind of chemical workshop environmental protection getter device and its application method |
-
2011
- 2011-01-05 CN CN2011200040369U patent/CN201908837U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032181A (en) * | 2011-01-05 | 2011-04-27 | 天津商业大学 | Scroll compressor with axial displacement regulation |
| CN102032181B (en) * | 2011-01-05 | 2012-11-07 | 天津商业大学 | Scroll compressor with axial displacement regulation |
| CN108547770A (en) * | 2018-05-25 | 2018-09-18 | 天津商业大学 | Become the swirl type cold compressor of vent ports size |
| CN108591061A (en) * | 2018-05-25 | 2018-09-28 | 天津商业大学 | The Horizontal vortex refrigeration compressor adjusted with interior volume specific ratio |
| CN108547770B (en) * | 2018-05-25 | 2024-04-23 | 天津商业大学 | Vortex refrigerating compressor with variable exhaust hole size |
| CN108591061B (en) * | 2018-05-25 | 2024-05-07 | 天津商业大学 | Horizontal vortex type refrigerating compressor with internal volume ratio regulation |
| CN108854281A (en) * | 2018-07-03 | 2018-11-23 | 无锡南理工科技发展有限公司 | A kind of chemical workshop environmental protection getter device and its application method |
| CN108854281B (en) * | 2018-07-03 | 2020-11-17 | 江苏爱科固体废物处理有限公司 | Environment-friendly air suction device for chemical workshop and using method of environment-friendly air suction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110727 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |