CN208073732U - A kind of refrigeration compressor refrigerating capacity adjusting control structure - Google Patents
A kind of refrigeration compressor refrigerating capacity adjusting control structure Download PDFInfo
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- CN208073732U CN208073732U CN201820183263.4U CN201820183263U CN208073732U CN 208073732 U CN208073732 U CN 208073732U CN 201820183263 U CN201820183263 U CN 201820183263U CN 208073732 U CN208073732 U CN 208073732U
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- oil drain
- drain solenoid
- refrigerating capacity
- cylinder
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Abstract
The utility model discloses a kind of refrigeration compressor refrigerating capacity adjusting control structure, including piston rod and piston, piston rod one end connects piston；Piston is mounted in piston cylinder, and displacement sensor is installed on piston cylinder；The center of piston rod offers a hole, and displacement sensor stretches into wherein；Spring is socketed in the connecting pin of piston rod and piston；Into solenoid oil inlet pipe be mounted on piston cylinder one end, No.1 oil drain solenoid valve, No. two oil drain solenoid valves, No. three oil drain solenoid valves connecting line connect with piston cylinder.This refrigeration compressor refrigerating capacity adjusting control structure, by the piston rod of setting, piston, piston cylinder, displacement sensor, external screw thread, spring, into solenoid, No.1 oil drain solenoid valve, No. two oil drain solenoid valves and No. three oil drain solenoid valves, have that grade is adjusted and step-less adjustment is freely converted by the closing of command displacement sensor and solenoid valve to realize refrigerating capacity, easy to operate, accuracy is high.
Description
Technical field
The utility model is related to compressor refrigerating capacity regulation technology field, specially a kind of refrigeration compressor refrigerating capacity is adjusted
Control structure.
Background technology
Currently, screw compressor capacity regulative mode has grade adjusting and step-less adjustment, there is level capacity to adjust general use
25%, 50%, 75%, 100% level Four adjusting or 50%, 75%, 100% three-level is adjusted, and stepless capacity regulating can be realized
25%~100% step-less adjustment, principle are all the positions by the mobile change guiding valve of piston to adjust refrigeration compressor spiral shell
The effective length of bar changes refrigerating capacity, has grade to adjust easy to operate, but controlling capacity of refrigeration is inaccurate, step-less adjustment refrigeration
Amount control is accurate, but operation is complex, and compressor user can not replace the refrigerating capacity of oneself at any time according to service condition
Regulative mode.
Utility model content
The purpose of this utility model is to provide a kind of refrigeration compressor refrigerating capacity adjusting control structures, have and realize compression
Mechanism cold has grade to adjust the advantages of freely being converted with step-less adjustment, solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of refrigeration compressor refrigerating capacity adjusting control
Structure processed, including piston rod, piston, spring and into solenoid, one end of the piston rod is provided with piston, and piston is mounted on
On piston rod；The outer ring of the piston is provided with piston cylinder, and piston cylinder is mounted on the outside of piston；It is equipped on the piston cylinder
Displacement sensor, displacement sensor are inserted into piston cylinder；The head of institute's displacement sensors is provided with external screw thread, external screw thread and work
The connection that is screwed of plug cylinder screwed hole of centre；The center of the piston rod offers a hole, and displacement sensor stretches into wherein；Institute
State the connecting pin that spring is socketed in piston rod and piston；The oil inlet pipe into solenoid is mounted on one end of piston cylinder,
No.1 oil drain solenoid valve, No. two oil drain solenoid valves, No. three oil drain solenoid valves connecting line connect with piston cylinder.
Preferably, the end periphery of the piston rod is provided with screw thread, and piston is provided centrally with threaded hole, in piston
Heart threaded hole is threadedly coupled with the periphery screw thread of piston rod.
Preferably, the end of the piston cylinder is provided centrally with threaded hole, and displacement sensor is inserted into piston cylinder end center
Threaded hole in.
Preferably, the No.1 oil drain solenoid valve, No. two oil drain solenoid valves, No. three oil drain solenoid valves connecting line successively
Arrangement is drawn from 25%, 50%, 75% position of piston cylinder.
Compared with prior art, the beneficial effects of the utility model are as follows：
This refrigeration compressor refrigerating capacity adjusting control structure, passes through the piston rod of setting, piston, piston cylinder, displacement sensing
Device, external screw thread, spring, into solenoid, No.1 oil drain solenoid valve, No. two oil drain solenoid valves and No. three oil drain solenoid valves, pass through
The closing of command displacement sensor and solenoid valve has that grade is adjusted and step-less adjustment freely convert to realize refrigerating capacity, operates simple
Single, accuracy is high.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
In figure：1 piston rod, 2 pistons, 3 piston cylinders, 4 displacement sensors, 5 external screw threads, 6 springs, 7 are into solenoid, 8 one
Number oil drain solenoid valve, 9 No. two oil drain solenoid valves, 10 No. three oil drain solenoid valves.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of refrigeration compressor refrigerating capacity adjusting control structure, including piston rod 1, piston 2,6 and of spring
Into solenoid 7, one end of piston rod 1 is provided with piston 2, and piston 2 is mounted on piston rod 1；The end periphery of piston rod 1 is set
It is equipped with screw thread, piston 2 is provided centrally with threaded hole, and the screwed hole of centre of piston 2 carries out screw thread with the periphery screw thread of piston rod 1
Connection；The outer ring of piston 2 is provided with piston cylinder 3, and piston cylinder 3 is mounted on the outside of piston 2；Displacement biography is installed on piston cylinder 3
Sensor 4, displacement sensor 4 are inserted into piston cylinder 3；The end of piston cylinder 3 is provided centrally with threaded hole, and displacement sensor 4 is inserted into
In the threaded hole at 3 end center of piston cylinder；The head of displacement sensor 4 is provided with external screw thread 5, external screw thread 5 and 3 center of piston cylinder
The connection that is screwed of threaded hole；The center of piston rod 1 offers a hole, and displacement sensor 4 stretches into wherein；Spring 6 is socketed in
The connecting pin of piston rod 1 and piston 2；One end of piston cylinder 3, No.1 oil extraction electromagnetism are mounted on into the oil inlet pipe of solenoid 7
The connecting line of valve 8, No. two oil drain solenoid valves, 9, No. three oil drain solenoid valves 10 is connect with piston cylinder 3；No.1 oil drain solenoid valve
8, the connecting line of 9, No. three oil drain solenoid valves 10 of No. two oil drain solenoid valves is arranged in order 25% from piston cylinder 3,50%, 75%
It draws position.
Operation principle：Step-less adjustment：It is controlled by No.1 oil drain solenoid valve 8 and displacement sensor 4.Into electromagnetic oil when load
Valve 7 is opened, and displacement sensor 4 is opened, and all oil drain solenoid valves are closed, and piston 2 is pushed by oil and loaded, and displacement sensor 4 monitors
The position of piston 2, realizes accurate load, when unloading, opens No.1 oil drain solenoid valve 8, closes into solenoid 7, by spring 6
Reverse push piston 2 realizes accurate off-load, to realize 25%~100% step-less adjustment；There is grade adjusting：Displacement sensor 4 closes
It closes, when No.1 oil drain solenoid valve 8 is opened, into the opening of solenoid 7, other oil drain solenoid valves are closed, and piston 2, which is pushed, at this time lives
At the 25% of plug cylinder 3, oil is discharged through No.1 oil drain solenoid valve 8 from there, and piston 2 is kept in this position, refrigerating capacity 25%；
When No. two oil drain solenoid valves 9 are opened, into the opening of solenoid 7, other oil drain solenoid valves are closed, and piston 2 is by promotion piston at this time
At the 50% of cylinder 3, oil is discharged through No. two oil drain solenoid valves 9 from there, and piston 2 is kept in this position, refrigerating capacity 50%；When three
Number oil drain solenoid valve 10 is opened, and is opened into solenoid 7, other oil drain solenoid valves are closed, and piston 2 is by promotion piston cylinder 3 at this time
75% at, oil is discharged through No. three oil drain solenoid valves 10 from there, and piston 2 is kept in this position, refrigerating capacity 70%；When all
Oil drain solenoid valve is closed, and piston 2 is pushed to the extreme position of piston rod 3, and refrigerating capacity is 100% at this time.
In summary：This refrigeration compressor refrigerating capacity adjusting control structure passes through the piston rod 1, piston 2, piston of setting
Cylinder 3, displacement sensor 4, external screw thread 5, spring 6, into 8, No. two solenoid 7, No.1 oil drain solenoid valve oil drain solenoid valves 9 and three
Number oil drain solenoid valve 10 realizes that refrigerating capacity has grade to adjust and stepless-adjustment by the closing of command displacement sensor 4 and solenoid valve
Freely converting for section, easy to operate, accuracy is high.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of refrigeration compressor refrigerating capacity adjusting control structure, including piston rod (1), piston (2), spring (6) and oil inlet electricity
Magnet valve (7), it is characterised in that：One end of the piston rod (1) is provided with piston (2), and piston (2) is mounted on piston rod (1)；
The outer ring of the piston (2) is provided with piston cylinder (3), and piston cylinder (3) is mounted on the outside of piston (2)；On the piston cylinder (3)
Displacement sensor (4) is installed, displacement sensor (4) is inserted into piston cylinder (3)；The head of institute's displacement sensors (4) is arranged
There are external screw thread (5), external screw thread (5) to be connect with being screwed for piston cylinder (3) screwed hole of centre；The center of the piston rod (1)
A hole is offered, displacement sensor (4) stretches into wherein；The spring (6) is socketed in the connecting pin of piston rod (1) and piston (2)；
The oil inlet pipe into solenoid (7) is mounted on one end of piston cylinder (3), No.1 oil drain solenoid valve (8), No. two oil extraction electricity
Magnet valve (9), No. three oil drain solenoid valves (10) connecting line connect with piston cylinder (3).
2. a kind of refrigeration compressor refrigerating capacity adjusting control structure according to claim 1, it is characterised in that：The piston
The end periphery of bar (1) is provided with screw thread, and piston (2) is provided centrally with threaded hole, the screwed hole of centre and piston of piston (2)
The periphery screw thread of bar (1) is threadedly coupled.
3. a kind of refrigeration compressor refrigerating capacity adjusting control structure according to claim 1, it is characterised in that：The piston
The end of cylinder (3) is provided centrally with threaded hole, and displacement sensor (4) is inserted into the threaded hole at piston cylinder (3) end center.
4. a kind of refrigeration compressor refrigerating capacity adjusting control structure according to claim 1, it is characterised in that：The No.1
Oil drain solenoid valve (8), No. two oil drain solenoid valves (9), No. three oil drain solenoid valves (10) connecting line be arranged in order from piston cylinder
(3) it draws 25%, 50%, 75% position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183263.4U CN208073732U (en) | 2018-02-02 | 2018-02-02 | A kind of refrigeration compressor refrigerating capacity adjusting control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183263.4U CN208073732U (en) | 2018-02-02 | 2018-02-02 | A kind of refrigeration compressor refrigerating capacity adjusting control structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073732U true CN208073732U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820183263.4U Active CN208073732U (en) | 2018-02-02 | 2018-02-02 | A kind of refrigeration compressor refrigerating capacity adjusting control structure |
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| Country | Link |
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| CN (1) | CN208073732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255692A (en) * | 2020-01-15 | 2020-06-09 | 珠海格力电器股份有限公司 | Screw compressor system capable of accurately adjusting load, control method and air conditioner |
| CN111255691A (en) * | 2020-01-15 | 2020-06-09 | 珠海格力电器股份有限公司 | Screw compressor system capable of accurately regulating and controlling load, control method and air conditioner |
-
2018
- 2018-02-02 CN CN201820183263.4U patent/CN208073732U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255692A (en) * | 2020-01-15 | 2020-06-09 | 珠海格力电器股份有限公司 | Screw compressor system capable of accurately adjusting load, control method and air conditioner |
| CN111255691A (en) * | 2020-01-15 | 2020-06-09 | 珠海格力电器股份有限公司 | Screw compressor system capable of accurately regulating and controlling load, control method and air conditioner |
| CN111255692B (en) * | 2020-01-15 | 2021-02-19 | 珠海格力电器股份有限公司 | Control method of screw compressor system capable of accurately adjusting load |
| CN111255691B (en) * | 2020-01-15 | 2021-07-02 | 珠海格力电器股份有限公司 | Screw compressor system capable of accurately regulating and controlling load, control method and air conditioner |
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