CN212318234U - Semi-closed piston type refrigeration compressor - Google Patents
Semi-closed piston type refrigeration compressor Download PDFInfo
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- CN212318234U CN212318234U CN202020538744.XU CN202020538744U CN212318234U CN 212318234 U CN212318234 U CN 212318234U CN 202020538744 U CN202020538744 U CN 202020538744U CN 212318234 U CN212318234 U CN 212318234U
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Abstract
The utility model discloses a semi-closed piston refrigeration compressor, including the casing, the inside of casing is provided with compression chamber and motor, and the motor is located the rear side in compression chamber, and the compression intracavity is provided with drive mechanism, is provided with liquid spray device on the lateral surface of casing, is provided with the blast pipe on the top surface of casing, is provided with discharge valve and temperature sensor in the blast pipe, temperature sensor and liquid spray device electric connection. The utility model discloses a design of hydrojet device not only can effectively reduce the exhaust temperature of compressor, can ensure the performance of compressor moreover, extension compressor's life, temperature sensor can the temperature of real-time supervision blast pipe, and when the temperature of blast pipe reached the setting value or exceeded the setting value, the flow of refrigerant was adjusted to control hydrojet device, not only can reduce the energy consumption, can improve the stability and the reliability of compressor moreover.
Description
Technical Field
The utility model relates to a semi-closed piston compressor.
Background
The semi-closed piston type refrigeration compressor is a heart of a refrigeration system, and sucks low-temperature and low-pressure refrigerant gas from an air suction port, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges high-temperature and high-pressure refrigerant gas to an air exhaust port to provide power for a refrigeration cycle, so that the compression-condensation-expansion-evaporation refrigeration cycle is realized.
When a refrigeration compressor is operated at a high condensing temperature or a low evaporating temperature, the discharge temperature thereof is generally high. High discharge temperatures cause a reduction in compressor efficiency and reliability.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at to the not enough and technical scheme that provide semi-closed piston compressor that prior art exists, design through the liquid spray device, not only can effectively reduce the exhaust temperature of compressor, and can ensure the performance of compressor, prolong compressor's life, temperature sensor can the temperature of real-time supervision blast pipe, when the temperature of blast pipe reaches the setting value or surpasses the setting value, the flow of control liquid spray device regulation refrigerant, not only can reduce the energy consumption, and can improve the stability and the reliability of compressor.
In order to solve the technical problem, the utility model discloses a following technical scheme:
semi-closed piston compressor, including the casing, the inside of casing is provided with compression chamber and motor, and the motor is located the rear side in compression chamber, is provided with drive mechanism, its characterized in that in the compression chamber: a liquid spraying device is arranged on the outer side surface of the shell, an exhaust pipe is arranged on the top surface of the shell, an exhaust valve and a temperature sensor are arranged in the exhaust pipe, and the temperature sensor is electrically connected with the liquid spraying device; through the design of hydrojet device, not only can effectively reduce the exhaust temperature of compressor, can ensure the performance of compressor moreover, prolong compressor's life, temperature sensor can the temperature of real-time supervision blast pipe, when the temperature of blast pipe reached the setting value or exceeded the setting value, control hydrojet device and adjust the flow of refrigerant, not only can reduce the energy consumption, can improve the stability and the reliability of compressor moreover.
Further, the liquid spraying device comprises a box body, a liquid inlet channel is horizontally arranged in the box body, a flange plate is arranged at a liquid inlet end of the liquid inlet channel, a liquid spraying assembly and an electromagnetic valve are arranged in the box body, the electromagnetic valve is located on one side close to the flange plate, a valve core is arranged on the electromagnetic valve, the valve core is located in the liquid inlet channel, the flange plate improves the connection stability between a liquid inlet pipe and the box body, the electromagnetic valve can control the amount of refrigerant entering the liquid inlet channel through the valve core, and the exhaust temperature of an exhaust.
Further, the liquid spraying assembly comprises a base plate and a cover plate, the base plate is fixedly connected to the bottom surface of the cover plate, a capillary tube is arranged on the base plate and located in the liquid inlet channel, and the base plate and the cover plate improve the stability and reliability of installation of the capillary tube, so that a refrigerant in the liquid inlet channel forms liquid spraying through the capillary tube, and the exhaust temperature of the exhaust pipe is reduced.
Furthermore, the top surface of the cover plate is provided with a handrail, the side surfaces of the cover plate are symmetrically provided with lug plates, the liquid spraying assembly is convenient to take and place through the handrail, and the lug plates improve the connection strength between the liquid spraying assembly and the box body.
Furthermore, a sealing ring is arranged on the side face of the base plate, and the sealing ring can effectively prevent the refrigerant in the box body from overflowing to cause the waste of the refrigerant.
Further, the transmission mechanism comprises a crankshaft, a piston and a connecting rod, the crankshaft is connected to an output shaft of the motor, two cylinders are arranged in the shell, the piston is movably connected in the cylinders and is connected with the crankshaft through the connecting rod, a cylinder cover is arranged on the outer side of each cylinder, the crankshaft is driven to rotate through the motor, the piston is driven to move along the cylinders through the connecting rod, and high-temperature and high-pressure refrigerant gas is discharged to the exhaust pipe after the refrigerant is compressed.
Furthermore, the two cylinders are arranged in a V shape, and the design of the cylinders with the V-shaped structures improves the compression efficiency of the refrigerant.
Furthermore, a junction box is arranged on the top surface of the shell, a front end cover and a rear end cover are respectively arranged on two sides of the shell, the junction box is convenient for connecting a power line, the front end cover and the rear end cover are convenient for protecting the interior of the compressor, and the compressor is convenient to mount, dismount and maintain.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. through the design of hydrojet device, not only can effectively reduce the exhaust temperature of compressor, can ensure the performance of compressor moreover, prolong compressor's life, temperature sensor can the temperature of real-time supervision blast pipe, when the temperature of blast pipe reached the setting value or exceeded the setting value, control hydrojet device and adjust the flow of refrigerant, not only can reduce the energy consumption, can improve the stability and the reliability of compressor moreover.
2. The flange plate improves the connection stability between the liquid inlet pipe and the box body, the electromagnetic valve can control the amount of the refrigerant entering the liquid inlet channel through the valve core, and the exhaust temperature at the exhaust pipe is reduced.
3. The base plate and the cover plate improve the stability and the reliability of capillary tube installation, and make the refrigerant in the liquid inlet channel form a liquid spray through the capillary tube so as to reduce the exhaust temperature of the exhaust pipe.
Description of the drawings:
the present invention will be further explained with reference to the accompanying drawings:
fig. 1 is an effect diagram of the semi-closed piston type refrigeration compressor of the present invention;
fig. 2 is a schematic view of the internal structure of the housing of the present invention;
FIG. 3 is an effective view of the liquid spraying device of the present invention;
fig. 4 is a schematic view of the internal structure of the liquid spraying device of the present invention;
fig. 5 is a schematic structural view of the middle exhaust pipe of the present invention.
In the figure: 1-a shell; 2-front end cover; 3-rear end cap; 4-a junction box; 5-a cylinder head; 6-a liquid spraying device; 7-an exhaust pipe; 8-a compression chamber; 9-a motor; 10-a crankshaft; 11-a cylinder; 12-a piston; 13-a connecting rod; 14-a box body; 15-a flange plate; 16-a solenoid valve; 17-a cover plate; 18-a handrail; 19-ear plate; 20-a liquid inlet channel; 21-a substrate; 22-a capillary tube; 23-a sealing ring; 24-a valve core; 25-an exhaust valve; 26-temperature sensor.
Detailed Description
As shown in fig. 1 to 5, for the utility model discloses semi-closed piston refrigeration compressor, which comprises a housin 1, the inside of casing 1 is provided with compression chamber 8 and motor 9, motor 9 is located the rear side of compression chamber 8, be provided with drive mechanism in the compression chamber 8, drive mechanism includes bent axle 10, piston 12 and connecting rod 13, bent axle 10 is connected on the output shaft of motor 9, be provided with two cylinders 11 in the casing 1, piston 12 removes to be connected in cylinder 11, piston 12 passes through connecting rod 13 and connects bent axle 10, the outside of cylinder 11 is provided with cylinder head 5, it rotates to drive bent axle 10 through motor 9, and then drive piston 12 through connecting rod 13 and remove along cylinder 11, after compressing the refrigerant, to the highly compressed refrigerant gas of high temperature high pressure of blast pipe 7 discharge. Two cylinders 11 are arranged in a V shape, and the design of the cylinders 11 with the V-shaped structures improves the compression efficiency of the refrigerant.
Be provided with liquid spray device 6 on the lateral surface of casing 1, liquid spray device 6 includes box 14, the inside level of box 14 is provided with inlet channel 20, inlet channel 20's feed liquor end is provided with ring flange 15, be provided with hydrojet subassembly and solenoid valve 16 in the box 14, solenoid valve 16 is located the one side that is close to ring flange 15, be provided with case 24 on the solenoid valve 16, case 24 is located inlet channel 20, ring flange 15 has improved the stability of being connected between feed liquor pipe and the box 14, solenoid valve 16 can control the volume of the interior refrigerant of entering inlet channel 20 through case 24, reduce the exhaust temperature of blast pipe 7 department. Through the design of the liquid spraying device 6, the exhaust temperature of the compressor can be effectively reduced, the performance of the compressor can be ensured, and the service life of the refrigeration compressor is prolonged.
The liquid spraying assembly comprises a base plate 21 and a cover plate 17, the base plate 21 is fixedly connected to the bottom surface of the cover plate 17, a capillary tube 22 is arranged on the base plate 21, the capillary tube 22 is located in the liquid inlet channel 20, the base plate 21 and the cover plate 17 improve the stability and the reliability of installation of the capillary tube 22, and the refrigerant in the liquid inlet channel 20 forms liquid spraying through the capillary tube 22 so as to reduce the exhaust temperature of the exhaust pipe 7. The top surface of the cover plate 17 is provided with a handrail 18, the side surface of the cover plate 17 is symmetrically provided with lug plates 19, the liquid spraying assembly is convenient to take and place through the handrail 18, and the lug plates 19 improve the connection strength between the liquid spraying assembly and the box body 14. The side surface of the base plate 21 is provided with a sealing ring 23, and the sealing ring 23 can effectively prevent the refrigerant in the box body 14 from overflowing to cause the waste of the refrigerant.
An exhaust pipe 7 is arranged on the top surface of the shell 1, an exhaust valve 25 and a temperature sensor 26 are arranged in the exhaust pipe 7, and the temperature sensor 26 is electrically connected with the liquid spraying device 6. The temperature sensor 26 can monitor the temperature of the exhaust pipe 7 in real time, and when the temperature of the exhaust pipe 7 reaches a set value or exceeds the set value, the liquid spraying device 6 is controlled to adjust the flow of the refrigerant, so that the energy consumption can be reduced, and the stability and the reliability of the compressor can be improved.
Be provided with terminal box 4 on the top surface of casing 1, the both sides of casing 1 are provided with front end housing 2 and rear end cap 3 respectively, and terminal box 4 is convenient for connect the power cord, and front end housing 2 and rear end cap 3 are convenient for play the inside effect of protection compressor, and the maintenance is dismantled in the installation of being convenient for.
The utility model discloses at the during operation, the refrigerant passes through the hydrojet device and gets into in the compression chamber, the motor drives the bent axle rotation, and then it removes along the cylinder to drive the piston through the connecting rod, realize the compression to the refrigerant, the high temperature high-pressure gas that the compression has passes through the blast pipe output, temperature sensor on the blast pipe detects exhaust refrigerant gas temperature, when surpassing the setting value, rotate through solenoid valve control case, and then the input of control refrigerant, with the exhaust temperature who reduces blast pipe department, improve the stability and the reliability of compressor.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.
Claims (8)
1. Semi-closed piston refrigeration compressor, which comprises a housin, the inside of casing is provided with compression chamber and motor, the motor is located the rear side in compression chamber, be provided with drive mechanism, its characterized in that in the compression chamber: the liquid spraying device is arranged on the outer side face of the shell, the exhaust pipe is arranged on the top face of the shell, an exhaust valve and a temperature sensor are arranged in the exhaust pipe, and the temperature sensor is electrically connected with the liquid spraying device.
2. A semi-closed piston refrigeration compressor as claimed in claim 1 wherein: the hydrojet device includes the box, the inside level of box is provided with inlet channel, inlet channel's feed liquor end is provided with the ring flange, be provided with hydrojet subassembly and solenoid valve in the box, the solenoid valve is located and is close to one side of ring flange, be provided with the case on the solenoid valve, the case is located in the inlet channel.
3. A semi-closed piston refrigeration compressor as claimed in claim 2 wherein: the hydrojet subassembly includes base plate and apron, base plate fixed connection be in on the bottom surface of apron, be provided with the capillary on the base plate, the capillary is located in the inlet channel.
4. A semi-closed piston refrigeration compressor as claimed in claim 3 wherein: the handrail is arranged on the top surface of the cover plate, and the ear plates are symmetrically arranged on the side surface of the cover plate.
5. A semi-closed piston refrigeration compressor as claimed in claim 3 wherein: and a sealing ring is arranged on the side surface of the substrate.
6. A semi-closed piston refrigeration compressor as claimed in claim 1 wherein: the transmission mechanism comprises a crankshaft, a piston and a connecting rod, the crankshaft is connected to an output shaft of the motor, two cylinders are arranged in the shell, the piston is movably connected in the cylinders, the piston is connected with the crankshaft through the connecting rod, and a cylinder cover is arranged on the outer side of each cylinder.
7. Semi-closed piston refrigeration compressor according to claim 6, characterized in that: the two cylinders are arranged in a V shape.
8. A semi-closed piston refrigeration compressor as claimed in claim 1 wherein: the top surface of the shell is provided with a junction box, and the two sides of the shell are respectively provided with a front end cover and a rear end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538744.XU CN212318234U (en) | 2020-04-13 | 2020-04-13 | Semi-closed piston type refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538744.XU CN212318234U (en) | 2020-04-13 | 2020-04-13 | Semi-closed piston type refrigeration compressor |
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| Publication Number | Publication Date |
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| CN212318234U true CN212318234U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020538744.XU Active CN212318234U (en) | 2020-04-13 | 2020-04-13 | Semi-closed piston type refrigeration compressor |
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| CN (1) | CN212318234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550801A (en) * | 2021-08-17 | 2021-10-26 | 南京久鼎制冷空调设备有限公司 | CO with turbine expansion mechanism2Refrigeration piston compressor |
-
2020
- 2020-04-13 CN CN202020538744.XU patent/CN212318234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550801A (en) * | 2021-08-17 | 2021-10-26 | 南京久鼎制冷空调设备有限公司 | CO with turbine expansion mechanism2Refrigeration piston compressor |
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