CN219776036U - Anti-reversion rotary Stirling refrigerator - Google Patents
Anti-reversion rotary Stirling refrigerator Download PDFInfo
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- CN219776036U CN219776036U CN202321176327.5U CN202321176327U CN219776036U CN 219776036 U CN219776036 U CN 219776036U CN 202321176327 U CN202321176327 U CN 202321176327U CN 219776036 U CN219776036 U CN 219776036U
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- 230000006835 compression Effects 0.000 claims abstract description 58
- 238000007906 compression Methods 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The utility model provides an anti-reversion rotary Stirling refrigerator, which comprises a stator assembly, a rotor assembly, a transmission mechanism, a compression assembly and a pushing assembly, wherein the rotor assembly comprises a motor rotor positioned at the inner side of the stator assembly and an eccentric rotating shaft connected with the motor rotor, the compression assembly is connected to an eccentric part of the eccentric rotating shaft through the transmission mechanism, a one-way bearing is arranged on the eccentric rotating shaft, and the one-way bearing is positioned at one end of the eccentric rotating shaft far away from the eccentric part. The unidirectional bearing is arranged on the eccentric rotating shaft of the refrigerator structure, so that the eccentric rotating shaft is guaranteed to rotate along one direction relative to the stator assembly, motor reversion caused by electric control and abnormal wiring can be prevented, and under the influence of temperature difference between the cold end and the hot end of the expansion cavity when the refrigerator is stopped, the reverse operation of the rotating shaft structure can not be driven by the mechanical structure direction operation force in the expansion cavity, so that the operation reliability of the refrigerator is improved.
Description
Technical Field
The utility model belongs to the technical field of Stirling refrigerators, and particularly relates to an anti-reversion rotary Stirling refrigerator.
Background
The rotary integral Stirling refrigerator is an ideal cold source during infrared detectors, superconducting filtering and the like by virtue of the characteristics of compact structure, small volume, light weight, high efficiency and the like, and has wide application in low-temperature industry, scientific research and military fields.
At present, a refrigerator is not provided with a design for preventing the refrigerator from reversing, the running direction of the refrigerator is controlled by an electric control and wiring mode, reverse rotation is generated after power failure, and when an unknown error or wiring error occurs in an electric control program, the motor can possibly cause the motor to run in reverse, so that the refrigerating effect is affected or refrigeration cannot be performed; after the refrigerator stops being electrified, the motor stops running, but a large temperature difference exists between the cold end and the hot end of the expansion cavity, so that Stirling thermomotor circulation can be formed, the compression end is driven to rotate reversely, the state of an electric control plate or a chip can be influenced, and adverse effects are generated.
Disclosure of Invention
The utility model aims to provide an anti-reversion rotary Stirling refrigerator, which can at least solve part of defects in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a rotatory Stirling refrigerator of anti-reverse, includes stator module, rotor subassembly, drive mechanism, compression subassembly and pushing subassembly, rotor subassembly is including being located the inboard motor rotor of stator module and the eccentric pivot of being connected with motor rotor, compression subassembly pass through drive mechanism connect in on the eccentric part of eccentric pivot, be equipped with one-way bearing in the eccentric pivot, just one-way bearing is located the one end that keeps away from eccentric part in the eccentric pivot.
Further, the one-way bearing is arranged above the motor rotor.
Further, the rotor assembly further comprises a rotor housing, and the outer side wall of the one-way bearing is fixedly bonded with the rotor housing.
Further, the one-way bearing comprises an outer frame and a ratchet wheel arranged in the outer frame, wherein balls are arranged in tooth grooves of the ratchet wheel and are in rolling contact with the inner side wall of the outer frame.
Furthermore, a key groove is formed in the inner side wall of the ratchet wheel, and a key matched with the key groove on the ratchet wheel is arranged on the eccentric rotating shaft.
Further, the stator assembly comprises a motor stator and a motor shell, a motor rotor of the rotor assembly is inserted into the motor stator to form a motor, and the motor rotor and the motor stator are both positioned in the motor shell.
Further, the transmission mechanism comprises a compression connecting rod and a deep groove ball bearing, the compression connecting rod is sleeved on the eccentric rotating shaft through the deep groove ball bearing, and the compression assembly and the pushing assembly are both connected to the compression connecting rod.
Further, a balancing weight is arranged on the eccentric rotating shaft and is pressed down on the deep groove ball bearing corresponding to the compression connecting rod.
Further, the compression assembly comprises a compression cylinder, a compression piston and a compression end cover, wherein the compression piston slides along the compression cylinder, one end of the compression piston is connected to the eccentric rotating shaft through the transmission mechanism, and the compression end cover is connected to one end, far away from the eccentric rotating shaft, of the compression cylinder.
Further, pass the subassembly and include pushing the connecting rod, pushing the cylinder, along pushing the gliding direction piston of cylinder and regenerator, pushing connecting rod one end with drive mechanism is connected, pushing the connecting rod other end with direction piston one end rotatable coupling, the other end and the regenerator of direction piston are connected, the regenerator is arranged in cold finger and can follow cold finger and slide.
Compared with the prior art, the utility model has the beneficial effects that:
according to the anti-reversion rotary Stirling refrigerator provided by the utility model, the unidirectional bearing is arranged on the eccentric rotating shaft of the refrigerator structure, so that the eccentric rotating shaft is guaranteed to rotate along one direction relative to the stator assembly, and therefore, motor reversion caused by electric control and abnormal wiring can be prevented.
The present utility model will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the anti-reverse rotary Stirling refrigerator of the present utility model;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is a schematic view of the rotor assembly of the present utility model;
fig. 4 is a schematic structural view of an eccentric rotary shaft in the present utility model.
Reference numerals illustrate: 1. a one-way bearing; 2. a rotor housing; 3. a motor rotor; 4. a stator assembly; 5. an eccentric rotating shaft; 6. balancing weight; 7. a transmission mechanism; 8. a compression assembly; 9. a pushing assembly; 10. an outer frame; 11. a ratchet wheel; 12. a ball; 13. a key.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or by an abutting connection or integrally connected; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, 2 and 3, the present embodiment provides an anti-reverse rotary stirling refrigerator, which includes a stator assembly 4, a rotor assembly, a transmission mechanism 7, a compression assembly 8 and a pushing assembly 9, wherein the rotor assembly includes a motor rotor 3 located inside the stator assembly 4 and an eccentric rotating shaft 5 connected with the motor rotor 3, the compression assembly 8 is connected to an eccentric portion of the eccentric rotating shaft 5 through the transmission mechanism 7, a unidirectional bearing 1 is disposed on the eccentric rotating shaft 5, and the unidirectional bearing 1 is located at one end of the eccentric rotating shaft 5 far away from the eccentric portion, specifically, the unidirectional bearing 1 is disposed above the motor rotor 3. In the embodiment, a unidirectional bearing 1 is additionally arranged on an eccentric rotating shaft 5 of the refrigerator, a motor rotor 3 drives the eccentric rotating shaft 5 to rotate positively under the drive of a motor, a compression component 8 and a pushing component 9 of the refrigerator are driven to operate, working media in the refrigerator are compressed at the same time, and after classical thermodynamic cycle consisting of two isothermal processes and two isovolumetric processes, the cold end of an expansion cavity can reach ideal temperature; when the electric control plate is abnormal or the wiring is wrong, the rotating direction of the motor of the refrigerator is fixed due to the limitation of the unidirectional bearing 1 on the eccentric rotating shaft 5, the motor cannot be reversed, the adverse effect caused by the reversal is avoided, and when the refrigerator is stopped, the force of the mechanical structure in the expansion cavity in the running direction cannot drive the reverse running of the eccentric rotating shaft structure under the influence of the temperature difference existing at the cold end and the hot end of the expansion cavity, so that the running reliability of the refrigerator is improved.
Specifically, the rotor assembly further comprises a rotor housing 2, and the outer side wall of the one-way bearing 1 is fixedly bonded with the inner side wall of the rotor housing 2.
In an alternative embodiment, as shown in fig. 2, the unidirectional bearing 1 includes an outer frame 10 and a ratchet 11 disposed in the outer frame 10, balls 12 are disposed in tooth grooves of the ratchet 11, the balls 12 are in rolling contact with inner side walls of the outer frame 10, the tooth grooves of the ratchet 11 are in an L-shaped structure, and an opening of the tooth grooves faces a set forward rotation direction of the eccentric rotating shaft 5, the balls 12 are located at corners of the L-shaped tooth grooves, when the eccentric rotating shaft 5 rotates forward, the balls 12 can freely roll in the L-shaped tooth grooves, and when the eccentric rotating shaft 5 runs reversely, vertical sections of the L-shaped tooth grooves generate resistance to rolling of the balls 12, so that the purpose that the eccentric rotating shaft 5 can rotate along only one direction is achieved.
Further, as shown in fig. 3, a key groove is formed in the inner side wall of the ratchet 11, a key 13 matched with the key groove on the ratchet 11 is formed in the eccentric rotating shaft 5, and the eccentric rotating shaft 5 and the ratchet 11 are circumferentially fixed to transmit torque through the matched connection of the key 13 and the key groove.
Specifically, the stator assembly 4 comprises a motor stator and a motor housing, the motor rotor 3 of the rotor assembly is inserted into the motor stator to form a motor, and the motor rotor 3 and the motor stator are both positioned in the motor housing.
Specifically, the transmission mechanism 7 comprises a compression connecting rod and a deep groove ball bearing, the compression connecting rod is sleeved on the eccentric rotating shaft 5 through the deep groove ball bearing, and the compression assembly 8 and the pushing assembly 9 are both connected to the compression connecting rod. The motor rotor 3 and the stator component in the rotor component form a power part of the system and drive the eccentric rotating shaft 5 to rotate, and as the compression component 8 and the pushing component 9 are both connected to the compression connecting rod, when the eccentric rotating shaft 5 rotates, the rotation motion of the eccentric part is converted into the reciprocating motion of the compression component 8 and the pushing component 9 through the compression connecting rod. Further, a balancing weight 6 is arranged on the eccentric rotating shaft 5, the balancing weight 6 is pressed down on a deep groove ball bearing corresponding to the compression connecting rod, and the movement of the compression connecting rod along the length direction of the eccentric rotating shaft 5 is limited through the balancing weight 6.
Specifically, the compression assembly 8 includes a compression cylinder, a compression piston sliding along the compression cylinder, and a compression end cover, one end of the compression piston is connected to the eccentric rotating shaft 5 through the transmission mechanism, and the compression end cover is connected to one end of the compression cylinder, which is far away from the eccentric rotating shaft 5.
Specifically, the pushing component 9 comprises a pushing connecting rod, a pushing cylinder, a guiding piston sliding along the pushing cylinder and a cold accumulator, one end of the pushing connecting rod is connected with the compression connecting rod of the transmission mechanism 7, the other end of the pushing connecting rod is rotatably connected with one end of the guiding piston, the other end of the guiding piston is connected with the cold accumulator, and the cold accumulator is arranged in the cold finger and can slide along the cold finger.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (10)
1. An anti-reverse rotary stirling cooler, comprising: including stator module, rotor subassembly, drive mechanism, compression subassembly and pushing subassembly, the rotor subassembly is including being located the inboard motor rotor of stator module and the eccentric pivot of being connected with motor rotor, compression subassembly pass through drive mechanism connect in on the eccentric part of eccentric pivot, be equipped with one-way bearing in the eccentric pivot, just one-way bearing is located the eccentric pivot and keeps away from the one end of eccentric part.
2. The anti-reverse rotary stirling cooler of claim 1 wherein: the one-way bearing is arranged above the motor rotor.
3. The anti-reverse rotary stirling cooler of claim 1 wherein: the rotor assembly further comprises a rotor housing, and the outer side wall of the one-way bearing is fixedly bonded with the rotor housing.
4. The anti-reverse rotary stirling cooler of claim 1 wherein: the unidirectional bearing comprises an outer frame and a ratchet wheel arranged in the outer frame, wherein balls are arranged in tooth grooves of the ratchet wheel and are in rolling contact with the inner side wall of the outer frame.
5. An anti-reverse rotary stirling cooler in accordance with claim 4 wherein: the inner side wall of the ratchet wheel is provided with a key groove, and the eccentric rotating shaft is provided with a key matched with the key groove on the ratchet wheel.
6. The anti-reverse rotary stirling cooler of claim 1 wherein: the stator assembly comprises a motor stator and a motor shell, a motor rotor of the rotor assembly is inserted into the motor stator to form a motor, and the motor rotor and the motor stator are both positioned in the motor shell.
7. The anti-reverse rotary stirling cooler of claim 1 wherein: the transmission mechanism comprises a compression connecting rod and a deep groove ball bearing, the compression connecting rod is sleeved on the eccentric rotating shaft through the deep groove ball bearing, and the compression assembly and the pushing assembly are both connected to the compression connecting rod.
8. An anti-reverse rotary stirling cooler in accordance with claim 7 wherein: and a balancing weight is arranged on the eccentric rotating shaft and is pressed down on the deep groove ball bearing corresponding to the compression connecting rod.
9. The anti-reverse rotary stirling cooler of claim 1 wherein: the compression assembly comprises a compression cylinder, a compression piston and a compression end cover, wherein the compression piston slides along the compression cylinder, one end of the compression piston is connected to the eccentric rotating shaft through the transmission mechanism, and the compression end cover is connected to one end, far away from the eccentric rotating shaft, of the compression cylinder.
10. The anti-reverse rotary stirling cooler of claim 1 wherein: the pushing component comprises a pushing connecting rod, a pushing cylinder, a guide piston sliding along the pushing cylinder and a cold accumulator, one end of the pushing connecting rod is connected with the transmission mechanism, the other end of the pushing connecting rod is rotatably connected with one end of the guide piston, the other end of the guide piston is connected with the cold accumulator, and the cold accumulator is arranged in the cold finger and can slide along the cold finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321176327.5U CN219776036U (en) | 2023-05-16 | 2023-05-16 | Anti-reversion rotary Stirling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321176327.5U CN219776036U (en) | 2023-05-16 | 2023-05-16 | Anti-reversion rotary Stirling refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219776036U true CN219776036U (en) | 2023-09-29 |
Family
ID=88137491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321176327.5U Active CN219776036U (en) | 2023-05-16 | 2023-05-16 | Anti-reversion rotary Stirling refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219776036U (en) |
-
2023
- 2023-05-16 CN CN202321176327.5U patent/CN219776036U/en active Active
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