CN214787933U - Structure is adjusted to compressor refrigerating output - Google Patents
Structure is adjusted to compressor refrigerating output Download PDFInfo
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- CN214787933U CN214787933U CN202120484709.9U CN202120484709U CN214787933U CN 214787933 U CN214787933 U CN 214787933U CN 202120484709 U CN202120484709 U CN 202120484709U CN 214787933 U CN214787933 U CN 214787933U
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Abstract
The utility model discloses a structure is adjusted to compressor refrigerating output, including setting up the crankcase in the compressor housing, the crankcase is equipped with valve opening, regulation gas pocket including the inlet port that is used for compressing gaseous state refrigerant's cylinder hole, is used for inputting refrigerant to cylinder hole on the crankcase, adjusts the one end and the cylinder hole intercommunication of gas pocket, other end intercommunication valve opening, valve opening one end is equipped with adjusting valve core, and the valve opening other end is linked together through pipeline and inlet port, and adjusting valve core and a drive arrangement that can make adjusting valve core axial displacement in the valve opening are correlated with. The utility model discloses can avoid frequent start-up, the improvement temperature control precision of compressor, it is with low costs simultaneously, the reliability is high.
Description
Technical Field
The utility model relates to a compressor technical field, concretely relates to structure is adjusted to compressor refrigerating output.
Background
With the development of national economy and the gradual improvement of the living standard of people, the energy-saving and environment-friendly consciousness of people is continuously enhanced, and correspondingly, the requirements of consumers on energy conservation, moisture preservation, fresh keeping and the like of refrigerators and freezers are higher and higher. The compressor is used as a core component of a refrigerator and a freezer and is the key for improving various qualities of the refrigerator. In order to improve the temperature control precision of the refrigerator to the maximum extent and reduce the energy consumption of the refrigerator, the refrigerating capacity of the compressor is required to be matched with the requirements of the refrigerator under different environment temperature working conditions. For example, when the refrigerator body is under the high-ambient-temperature working condition of 32 degrees, the required refrigerating capacity is about 2 times that under the low-ambient-temperature working condition of 16 degrees.
In the prior art, people usually match the refrigerating capacity of a compressor with the requirements of a refrigerator under different environment temperature working conditions by the following two methods, the first method is that the power and the corresponding refrigerating capacity of the compressor are constant, and at the moment, the aim of controlling the refrigerating capacity output by the compressor is mainly achieved by controlling the starting and stopping and the working time of the compressor. Although the method can also achieve the purpose of controlling the output refrigerating capacity and then controlling the temperature of the refrigerator, the method has the following defects that when the temperature of the refrigerator is higher, the compressor is frequently started, so that the service life of the compressor is influenced; when the ambient temperature is low, the problem that the compressor is not started for a long time is easy to occur. And the cold output of the compressor is greatly different from the actual heat load of the box body, so that the temperature control precision is lower. The second is that the present popular variable frequency compressor that adopts can reach the output refrigerating output of adjustment compressor according to the difference control compressor's of ambient temperature rotational speed and power, and then make it with the actual demand assorted effect of refrigerator. However, the inverter compressor has disadvantages such as high manufacturing cost, many electronic components, and easy occurrence of failure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the compressor existing in the prior compressor refrigerating capacity adjusting method needs frequent starting, the temperature control precision is low, the manufacturing cost is high, the fault is easy, and the like, providing a compressor refrigerating capacity adjusting structure, avoiding the frequent starting of the compressor, improving the temperature control precision, and simultaneously having reliable performance and low manufacturing cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a compressor refrigerating output adjusts structure, is including setting up the crankcase in the compressor housing, the crankcase is including the cylinder hole that is used for compressing gaseous state refrigerant, the inlet port that is used for inputing refrigerant to the cylinder hole, is equipped with valve opening, regulation gas pocket on the crankcase, and the one end and the cylinder hole intercommunication of regulation gas pocket, other end intercommunication valve opening, valve opening one end is equipped with the regulation case, and the valve opening other end is linked together through pipeline and inlet port, and the regulation case is associated with a drive arrangement that can make the regulation case axial displacement in the valve opening.
The utility model discloses set up valve opening and one on the crankcase and the regulation gas pocket with cylinder hole, valve opening intercommunication. Therefore, when the ambient temperature is higher, the driving device can drive the adjusting valve core to axially move in the valve hole so as to completely block the adjusting air hole, and at the moment, the high-pressure gaseous refrigerant in the cylinder hole of the crankcase can be completely output outwards through the cylinder hole for refrigeration. That is, the cooling capacity and the power of the compressor reach the maximum value at this time. When the environmental temperature is reduced, the driving device drives the regulating valve core to axially move in the valve hole, so that the valve core partially blocks the regulating air hole or forms dislocation with the regulating air hole. That is, at this time, the high-pressure gaseous refrigerant in the cylinder bore of the crankcase can partially escape through the adjusting air hole and the valve hole, and finally returns to the air inlet of the compressor through the pipeline to participate in the circulation again. It can be understood that the opening of the adjusting air hole can be conveniently controlled by controlling the position of the adjusting valve core in the valve hole through the driving device, and further the leakage amount of the high-pressure gaseous refrigerant is adjusted, so that the compressor can output the refrigerant which is matched with the compressor according to the operation environment temperature working condition of the refrigerator, the compressor can output the refrigerating capacity which is matched with the operation of the refrigerator on the premise of not frequently stopping the refrigerator, the frequent starting of the compressor can be avoided, the operation power of the compressor can be reduced, the energy consumption of the compressor can be reduced, and the accuracy of controlling the temperature of the refrigerator can be improved.
Because the utility model discloses a structure is adjusted to refrigerating output mainly is some mechanical structure that set up on the crankcase, compares with inverter compressor, has with low costs, advantage that the reliability is high.
Preferably, the output shaft of the rotary motor is a flat shaft, the regulating valve core is provided with a square inner hole matched with the flat shaft, and the valve core can rotate and reciprocate under the driving of the motor.
Preferably, the valve hole is a stepped hole, one end of the valve hole is a closed section communicated with the adjusting air hole, the other end of the valve hole is a matching section expanded outwards, the adjusting valve core comprises a sealing section in sealing fit with the closed section and a thread section in threaded connection with the matching section, and the driving device is a rotary stepping motor connected with the adjusting valve core.
It can be understood that the rotary stepping motor can accurately control the rotation angle, is convenient to manufacture and is beneficial to reducing the cost. In addition, because the regulating valve core comprises a thread section which is in threaded connection with the matching section of the valve hole, when the stepping motor drives the regulating valve core to rotate, the regulating valve core can be driven to axially move in the valve hole. That is, the rotational movement of the part motor can be converted into an axial movement of the regulating valve element by the threaded connection of the threaded section and the mating section. And the sealing section which is in sealing fit with the closing section is cylindrical, so that the sealing section can be always kept in sealing fit with the closing section when the sealing section is driven to rotate and axially move by the stepping motor. Because the valve hole is the shoulder hole, consequently, can make the axial displacement of adjusting the case in the valve hole have accurate limit spacing, avoid adjusting the case and form excessive axial displacement.
Preferably, a spline hole is formed in the threaded section of the adjusting valve core, and a motor shaft of the stepping motor is in spline connection with the spline hole.
Because the motor shaft of the stepping motor and the spline hole of the matching section of the regulating valve core form spline connection, on one hand, the stepping motor can transmit torque to the regulating valve core to drive the regulating valve core to rotate, and on the other hand, the regulating valve core can form axial movable connection relative to the motor shaft, so that the regulating valve core can axially move in the valve hole.
In particular, we can increase the depth of the splined hole appropriately, ensuring that the depth of the splined hole is greater than the length of the motor shaft. Therefore, the positions of the adjusting valve core and the stepping motor can be conveniently set according to requirements, and the assembly requirements are reduced.
Preferably, the sealing section is provided with an annular groove, and a sealing shaft sleeve is arranged in the annular groove.
The sealing shaft sleeve can improve the sealing degree between the adjusting valve core and the valve hole, and the annular groove can ensure the accurate positioning of the sealing shaft sleeve on the sealing section of the adjusting valve core, thereby avoiding the displacement of the sealing shaft sleeve when the adjusting valve core moves axially.
Preferably, the driving device is a stepping linear motor connected with the regulating valve core.
In the scheme, the stepping linear motor can directly drive the adjusting valve core to axially move in the valve hole and accurately control the moving distance of the adjusting valve core, so that the matching structure of the adjusting valve core and the valve hole is simplified.
Therefore, the utility model discloses following beneficial effect has: the compressor can be prevented from being frequently started, the temperature control precision is improved, and meanwhile, the performance is reliable and the manufacturing cost is low.
Drawings
Fig. 1 is a schematic structural diagram of the regulating air hole of the present invention when being blocked by the regulating valve core.
Fig. 2 is a schematic structural diagram of the adjusting vent according to the present invention when the adjusting vent has the maximum opening.
Fig. 3 is a schematic diagram of a regulator valve cartridge.
In the figure: 1. the air cylinder comprises a crankcase 11, a cylinder hole 12, a valve hole 121, a closed section 122, a matching section 2, an adjusting air hole 3, an adjusting valve core 31, a sealing section 311, an annular groove 32, a threaded section 321, a spline hole 4, a driving device 5 and a sealing shaft sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, a structure is adjusted to compressor refrigerating output, it is applicable to the high-pressure gaseous refrigerant quantity of adjusting the compressor output that is used for devices such as refrigerator, freezer, etc. and the refrigerating output that corresponds with high-pressure gaseous refrigerant quantity, and then can satisfy the demand of devices such as refrigerator, freezer to refrigerating output under different ring temperature operating modes, realize the accurate accuse temperature to devices such as refrigerator, freezer under the prerequisite that the compressor does not shut down.
Specifically, the utility model discloses a crankcase 1 of setting in the compressor housing, similar with prior art, the crankcase is including the inlet port (not shown in the figure) that is used for inputing ordinary pressure gaseous state refrigerant, be used for exporting high pressure gaseous state refrigerant's cylinder bore 11, is equipped with piston (not shown in the figure) in the cylinder bore, and ordinary pressure gaseous state refrigerant passes through in the cylinder bore that the inlet port entered into the crankcase, then compresses into high pressure gaseous state refrigerant with ordinary pressure gaseous state refrigerant through the piston to outwards export through the cylinder bore.
In order to adjust the refrigerating capacity of the compressor conveniently, a valve hole 12 and an adjusting air hole 2 are formed in the crankcase, one end of the adjusting air hole is communicated with the cylinder hole, and the other end of the adjusting air hole is communicated with the valve hole, so that gaseous refrigerant in the cylinder hole can be partially discharged outwards through the adjusting air hole and the valve hole. In addition, an adjusting valve core 3 is arranged at one end of the valve hole, the other end of the valve hole is communicated with the air inlet hole through a pipeline, and the adjusting valve core is associated with a driving device 4 which can enable the adjusting valve core to move axially in the valve hole.
Therefore, when the ambient temperature is higher, the driving device can drive the adjusting valve core to axially move in the valve hole so as to completely block the adjusting air hole, and at the moment, the high-pressure gaseous refrigerant in the cylinder hole of the crankcase can be completely output outwards through the cylinder hole for refrigeration. That is, the cooling capacity and the power of the compressor reach the maximum value at this time.
When the environmental temperature is reduced, the driving device drives the regulating valve core to axially move in the valve hole, so that the valve core partially blocks the regulating air hole or forms dislocation with the regulating air hole. That is, at this time, the high-pressure gaseous refrigerant in the cylinder bore of the crankcase can partially escape through the adjusting air hole and the valve hole, and finally returns to the compressor through the pipeline to participate in the circulation with the air inlet again. It can be understood that the opening of the adjusting air hole can be conveniently controlled by controlling the position of the adjusting valve core in the valve hole through the driving device, and further the leakage amount of the high-pressure gaseous refrigerant is adjusted, so that the compressor can output the refrigerant which is matched with the compressor according to the operation environment temperature working condition of the refrigerator, the compressor can output the refrigerating capacity which is matched with the operation of the refrigerator on the premise of not frequently stopping the refrigerator, the frequent starting of the compressor can be avoided, the operation power of the compressor can be reduced, the energy consumption of the compressor can be reduced, and the accuracy of controlling the temperature of the refrigerator can be improved.
It should be noted that one end of the adjusting air hole penetrating through the cylinder hole is located between the top dead center and the bottom dead center of the piston.
Preferably, the valve hole is a stepped hole with a large end and a small end, the small end of the valve hole is a closed section 121 communicated with the adjusting air hole, the large end of the valve hole is a matching section 122 expanding outwards, and the adjusting valve core is arranged in a stepped shaft shape and comprises a small sealing section 31 in sealing matching with the closed section and a large threaded section 32 in threaded connection with the matching section. The driving device is a rotary stepping motor coaxially connected with the regulating valve core.
Therefore, when the stepping motor drives the adjusting valve core to rotate, the thread section of the adjusting valve core can rotate and axially move in the matching section of the valve hole, and then the sealing section of the adjusting valve core axially moves in the sealing section of the valve hole to partially block and completely block the adjusting air hole or form the maximum opening degree with the adjusting air hole by staggering with the adjusting air hole. That is, the rotational movement of the part motor can be converted into an axial movement of the regulating valve element by the threaded connection of the threaded section and the mating section. Of course, the valve hole and the regulating valve core are both cylindrical, so that when the regulating valve core is driven by the stepping motor to rotate and axially move, the sealing section of the regulating valve core can always be in sealing fit with the sealing section of the valve hole. In addition, the stepped valve hole can enable the adjusting valve core to have accurate limit in the axial movement of the valve hole, and the adjusting valve core is prevented from forming excessive axial movement.
Furthermore, as shown in fig. 3, a spline hole 321 may be disposed in the threaded section of the adjustment valve core, and a motor shaft of the stepping motor is in spline connection with the spline hole, so that the stepping motor can transmit torque to the adjustment valve core to drive the adjustment valve core to rotate, and the adjustment valve core can form an axial movable connection with respect to the motor shaft, thereby ensuring that the adjustment valve core can axially move in the valve hole when the stepping motor rotates, and avoiding interference between the motor shaft of the stepping motor and the adjustment valve core.
In particular, we can increase the depth of the splined hole appropriately, ensuring that the depth of the splined hole is greater than the length of the motor shaft. Therefore, the relative positions of the adjusting valve core and the stepping motor in the axial direction can be conveniently set according to requirements, and the assembly requirements are reduced.
Furthermore, an annular groove 311 can be arranged in the sealing section of the regulating valve core, and a sealing shaft sleeve 5 is arranged in the annular groove to improve the sealing degree between the regulating valve core and the valve hole, and the annular groove can ensure the accurate positioning of the sealing shaft sleeve on the sealing section of the regulating valve core, so that the displacement of the sealing shaft sleeve when the regulating valve core moves axially is avoided.
As another preferred scheme, the driving device is a stepping linear motor coaxially connected with the regulating valve core. It can be understood that the stepping linear motor can directly drive the adjusting valve core to axially move in the valve hole and accurately control the moving distance of the adjusting valve core, thereby being beneficial to simplifying the matching structure of the adjusting valve core and the valve hole. It will be appreciated that the regulating valve member is now in axially displaceable communication with the valve bore.
Claims (5)
1. The utility model provides a compressor refrigerating output adjusts structure, is including setting up the crankcase in the compressor housing, the crankcase is including the cylinder hole that is used for compressing gaseous state refrigerant, the inlet port that is used for inputing refrigerant to the cylinder hole, characterized by is equipped with valve opening, regulation gas pocket on the crankcase, and the one end and the cylinder hole intercommunication of regulation gas pocket, other end intercommunication valve opening, valve opening one end is equipped with the regulation case, and the valve opening other end is linked together through pipeline and inlet port, and the regulation case is associated with a drive arrangement that can make the axial displacement of regulation case in the valve opening.
2. The structure of claim 1, wherein the valve hole is a stepped hole, one end of the valve hole is a closed section communicating with the air hole, the other end of the valve hole is a fitting section extending outward, the adjusting valve core includes a sealing section fitting the closed section in a sealing manner, and a screw thread section connecting with the fitting section, and the driving device is a rotary stepping motor connecting with the adjusting valve core.
3. The structure of claim 2, wherein a spline hole is formed in the threaded section of the adjusting valve core, and a motor shaft of the stepping motor is splined to the spline hole.
4. A refrigerating capacity adjusting structure of a compressor as claimed in claim 2, wherein the sealing section is provided with an annular groove, and a sealing boss is provided in the annular groove.
5. A refrigerating capacity adjusting structure of a compressor as claimed in claim 1, wherein the driving means is a stepping linear motor connected to the adjusting valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484709.9U CN214787933U (en) | 2021-03-05 | 2021-03-05 | Structure is adjusted to compressor refrigerating output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484709.9U CN214787933U (en) | 2021-03-05 | 2021-03-05 | Structure is adjusted to compressor refrigerating output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787933U true CN214787933U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120484709.9U Active CN214787933U (en) | 2021-03-05 | 2021-03-05 | Structure is adjusted to compressor refrigerating output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787933U (en) |
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2021
- 2021-03-05 CN CN202120484709.9U patent/CN214787933U/en active Active
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