CN216342795U - Double-screw refrigerating compressor with elastic heating material - Google Patents
Double-screw refrigerating compressor with elastic heating material Download PDFInfo
- Publication number
- CN216342795U CN216342795U CN202122815241.XU CN202122815241U CN216342795U CN 216342795 U CN216342795 U CN 216342795U CN 202122815241 U CN202122815241 U CN 202122815241U CN 216342795 U CN216342795 U CN 216342795U
- Authority
- CN
- China
- Prior art keywords
- shell
- compressor
- heating material
- elastic heating
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a double-screw refrigeration compressor with elastic heating materials, which comprises a compressor shell, wherein the compressor shell is provided with a shell internal groove, the shell internal groove extends from a suction end to an exhaust end of the compressor shell, the shell internal groove is internally provided with the elastic heating materials and a driving structure, and the driving structure is used for pushing the elastic heating materials to slide in the shell internal groove. The utility model utilizes the characteristics that the elastic heating material extends when releasing heat and contracts when absorbing heat, the elastic heating material in the original length state is arranged at the exhaust end of the groove in the shell, and the elastic heating material starts absorbing heat and contracts, thereby reducing the exhaust temperature of the compressor and avoiding the problem of the reduction of the working efficiency of the compressor caused by overhigh exhaust temperature. According to the utility model, the elastic heating material in a contraction state is arranged at the position, close to the junction box, of the air suction end of the inner groove of the shell, the elastic heating material releases heat and gradually recovers the original shape, so that the problem of the junction box is solved, and the problem of short circuit of the motor caused by condensation of water vapor is avoided.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to a double-screw refrigeration compressor with elastic heat materials.
Background
The twin-screw refrigerating compressor has a pair of rotors with helical teeth engaged with each other and rotating in opposite directions, and its working principle is that the rotation movement of the rotors in the machine body can make the working volume change continuously due to the intrusion or disengagement of the teeth, and can periodically change the volume between every pair of tooth grooves of the rotors, so that the suction, compression and exhaust work can be implemented. The double-screw refrigerating compressor has simple structure and few easily-damaged parts, can run under the working condition of larger pressure difference or pressure ratio, and is widely applied to freezing, refrigerating, air conditioning and chemical processes.
In the operation process of the existing double-screw refrigeration compressor, the water vapor at the outer side of the shell is condensed due to the low air inlet temperature at the air suction end. Because the motor junction box is usually arranged on the air suction side, the water vapor in the air in the junction box is condensed into water when meeting the condensation, and the short circuit of the motor is easily caused. In addition, the exhaust temperature of the compressor is always an important factor influencing the adiabatic efficiency of the compressor, and the exhaust temperature is too high, so that the adiabatic efficiency of the compressor is reduced, and the service life and the lubricating performance of lubricating oil are influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a double-screw refrigeration compressor with a heat-radiating material, which aims to solve the problems that water vapor is easy to condense due to low temperature of a suction end of the compressor and the service life and the lubricating property of lubricating oil are reduced due to overhigh exhaust temperature of a discharge end of the compressor.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a double screw compressor of hot material of area bullet, includes compressor housing, compressor housing is equipped with the inside groove of casing, the inside groove of casing extends to the exhaust end from compressor housing's the end of breathing in, the inside inslot of casing is equipped with hot material of bullet and drive structure, drive structure is used for promoting the hot material of bullet and slides in the inside inslot of casing.
As a further improvement of the utility model: the driving structure comprises a pressure control device and a piston, wherein the piston is arranged at two ends of the inner groove of the shell, the pressure control device is connected with two ends of the inner groove of the shell, and the pressure control device is used for providing pressure difference on two sides of the piston so as to push the piston and the elastic heating material to slide in the inner groove of the shell.
As a further improvement of the utility model: the piston comprises a first piston and a second piston, the first piston is arranged at one end of the inner groove of the machine shell, and the second piston is arranged at the other end of the inner groove of the machine shell.
As a further improvement of the utility model: the pressure control device comprises a first electromagnetic valve and a second electromagnetic valve, wherein the first electromagnetic valve is used for pressurization, and the second electromagnetic valve is used for depressurization.
As a further improvement of the utility model: more than two grooves are arranged in the shell. The heat exchange device comprises a shell, a heat exchange structure, a driving structure, a heat exchange material and a terminal box, wherein the heat exchange structure is arranged in the shell, the heat exchange material is conveyed to the other end of the heat exchange structure through the driving structure, and the terminal box is connected with the terminal box.
As a further improvement of the utility model: two grooves are arranged in the shell, so that the temperature of the junction box can be increased and the temperature of exhaust gas can be reduced simultaneously in the running process of the compressor.
As a further improvement of the utility model: the elastic heating material of one of the inner grooves of the machine shell is arranged at the air suction end of the inner groove of the machine shell, and the elastic heating material of the other inner groove of the machine shell is arranged at the air exhaust end of the inner groove of the machine shell.
As a further improvement of the utility model: the three grooves in the shell further ensure that the junction box is heated and the exhaust side is cooled simultaneously.
As a further improvement of the utility model: a motor cavity is arranged in the compressor shell, the motor cavity is arranged at the air suction end of the compressor shell, and a motor junction box is arranged in the motor cavity; the compressor is characterized in that a rotor cavity and an exhaust bearing cavity are further arranged inside the compressor shell, the exhaust bearing cavity is arranged at the exhaust end of the compressor shell, and the rotor cavity is arranged between the motor cavity and the exhaust bearing cavity.
As a further improvement of the utility model: the elastic heating material is flat.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is provided with the inner groove of the shell and the elastic heating material, and utilizes the characteristics that the elastic heating material extends when releasing heat and contracts when absorbing heat, the elastic heating material in the original long state is arranged at the exhaust end of the inner groove of the shell, and the elastic heating material starts absorbing heat and contracts, thereby reducing the exhaust temperature of the compressor and avoiding the problem that the work efficiency of the compressor is reduced due to overhigh exhaust temperature.
2. According to the utility model, the elastic heating material in a contraction state is arranged at the air suction end of the inner groove of the shell, the elastic heating material releases heat and gradually recovers the original shape, so that the temperature of the junction box is increased, and the problem of short circuit of the motor caused by condensation of water vapor is avoided.
3. According to the utility model, the first electromagnetic valve, the second electromagnetic valve and the piston are arranged, the first electromagnetic valve loads high-pressure oil to the rear end of the piston, meanwhile, the second electromagnetic valve of the piston at the other side is opened to discharge the high-pressure oil behind the piston to be low pressure, and the piston is pushed by the pressure difference at two sides. The second solenoid valve discharges the high pressure oil existing at the rear end of the piston, the rear end of the piston becomes low pressure, and the first solenoid valve of the other piston on the other side opens to the high pressure oil to form a pressure difference. What can improve and uninstall through first solenoid valve, second solenoid valve is piston both sides pressure to promote the piston and slide towards the other end in casing inside groove with the elastic heat material, thereby can reach the effect of cold-storage circulation.
Drawings
Fig. 1 is a schematic view showing the start timing of the cold storage cycle of the present invention.
Fig. 2 is a schematic view showing the end timing of the cold storage cycle of the present invention.
Detailed Description
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The utility model will now be further described with reference to the accompanying description and examples:
referring to fig. 1-2, a twin-screw refrigeration compressor with elastic heating material comprises a compressor casing, wherein one end of the compressor casing is provided with a gas suction end, the other end of the compressor casing is provided with a gas discharge end, a motor cavity 1, a rotor cavity 2 and a gas discharge bearing cavity 3 are sequentially arranged in the compressor casing, the motor cavity 1 is arranged at the gas suction end, and the gas discharge bearing cavity 3 is arranged at the gas discharge end. And the motor cavity is provided with a motor junction box.
Compressor housing is equipped with casing inside groove 9, casing inside groove 9 is the long columnar order, the end of breathing in is located to the first end of casing inside groove 9, the exhaust end is located to the second end of casing inside groove 9, casing inside groove 9 extends to the second end from first end.
The inside groove 9 of the shell is internally provided with an elastic heating material 4 and a driving structure, and the driving structure is used for pushing the elastic heating material to slide in the inside groove 9 of the shell.
The elastic heating material is flat, and has the characteristics of extension when releasing heat and contraction when absorbing heat.
The elastic heating material in a contraction state is arranged at the first end of the inner groove 9 of the shell and is influenced by low-temperature refrigerant fluid at the air suction end, the temperature at the first end is low, the elastic heating material releases heat and gradually recovers to the original shape, so that the temperature at the junction box is increased, and water vapor condensation is prevented.
The original length elastic heating material is arranged at the second end of the groove 9 in the shell, and is influenced by high-temperature and high-pressure refrigerant fluid at the exhaust end, the elastic heating material starts to absorb heat and shrink, and the heat is conducted from refrigerant gas to the elastic heating material in a heat conduction mode, so that the exhaust temperature of the compressor is reduced.
The drive structure includes pressure control device and piston 6, the both ends of casing inside groove 9 are located to the piston, pressure control device is connected with the both ends of casing inside groove 9, pressure control device is used for providing piston both sides pressure differential, slides in casing inside groove 9 through promoting the piston to promote the elastic heat material and slide in casing inside groove 9.
The piston comprises a first piston and a second piston, the first piston is arranged at the first end of the inner groove 9 of the machine shell, and the second piston is arranged at the second end of the inner groove 9 of the machine shell.
The pressure control device comprises a first electromagnetic valve 7 and a second electromagnetic valve 8, and the two ends of the inner groove 9 of the machine shell are both connected with the first electromagnetic valve 7 and the second electromagnetic valve 8. After the elastic heating material absorbs or releases heat, a first electromagnetic valve close to the elastic heating material and a second electromagnetic valve far away from the elastic heating material are opened, high-pressure oil is loaded to the rear end of the piston by the first electromagnetic valve, meanwhile, the second electromagnetic valve of the piston on the other side is opened, the high-pressure oil behind the piston is discharged to be low pressure, and the piston is pushed through the pressure difference between the two sides. The second solenoid valve discharges the high pressure oil existing at the rear end of the piston, the rear end of the piston becomes low pressure, and the first solenoid valve of the other piston on the other side opens to the high pressure oil to form a pressure difference. The pressure on both sides of the piston can be increased and decreased by the first solenoid valve and the second solenoid valve, thereby pushing the piston and the elastic heating material to slide in the inner groove 9 of the casing.
Preferably, more than two grooves 9 are arranged in the machine shell. Be equipped with more than two through casing inside groove 9, locate first end with the bullet hot material in at least one casing inside groove, locate the second end with the bullet hot material in at least one casing inside groove, make first end and second end carry out the heat transfer simultaneously, carry bullet hot material to the other end through the drive structure after the heat transfer is accomplished and continue the heat transfer, because bullet hot material heat absorption is different with the exothermal time, through being equipped with the casing inside groove more than two, can ensure the temperature that improves the terminal box and go on simultaneously with the reduction exhaust temperature.
Preferably, the housing inner slots 9 include a first housing inner slot and a second housing inner slot. The first casing internal groove is provided with a first end and a second end, and the second casing internal groove is provided with a first end and a second end.
The first machine shell is characterized in that a first elastic thermal material is arranged in the first machine shell inner groove, a second elastic thermal material is arranged in the second machine shell inner groove, the first elastic thermal material is arranged at the first end of the first machine shell inner groove, and the second elastic thermal material is arranged at the second end of the second machine shell inner groove.
When the first elastic heating material is in a contraction state, the first elastic heating material in the contraction state is arranged at the first end of the inner groove 9 of the machine shell and is influenced by low-temperature refrigerant fluid at the air suction end, the temperature at the position is low, the first elastic heating material gradually releases heat and recovers the original shape, and the temperature at the junction box is improved through the heat conduction effect.
When the second elastic heating material is in the original length state, the second elastic heating material in the original length state is arranged at the second end of the inner groove 9 of the shell, and is influenced by high-temperature and high-pressure refrigerant fluid at the exhaust end, the second elastic heating material starts to absorb heat and shrink, heat conduction and convection heat exchange are carried out on the wall surface of the shell through gas, and the wall surface and the elastic heating material are in heat conduction, so that the exhaust temperature of the compressor is reduced.
The elastic heating material in the original long state is arranged at the side close to the exhaust end, the elastic heating material absorbs the heat of exhaust by utilizing the characteristic of heat absorption and shrinkage of the elastic heating material, the exhaust temperature is reduced, the other elastic heating material in the shrinkage state is arranged at the position close to the junction box at the suction end, the temperature is lower, the elastic heating material releases heat and gradually recovers the original shape, so that the temperature at the junction box is increased, and the condensation of water vapor is prevented. After the two elastic heating materials complete heat exchange, the elastic heating materials in the contraction state of the exhaust end are sent to the air suction end through different oil pressures input from the two sides, and the elastic heating materials with the original length recovered by the air suction end are sent to the exhaust end.
Preferably, the cabinet interior slot 9 further comprises a third cabinet interior slot.
Since the heat exchange speed may be different between the two sides of the exhaust end and the suction end, there are cases where the elasto-thermal material at the exhaust end has contracted but the elasto-thermal material at the suction end has not recovered. At this point, a third cabinet internal slot is added for standby. And when the elastic heating material at the exhaust end shrinks and then is conveyed to the air suction end, the elastic heating material in the standby third shell inner groove is conveyed to the exhaust end for continuous exhaust cooling. Through being equipped with the inside groove of third casing, can further ensure the temperature that improves the terminal box and reduce exhaust temperature and go on simultaneously to guarantee compressor efficiency is in the high-order, and the condensation does not in the guarantee terminal box.
The first embodiment is as follows:
the utility model provides a double-screw refrigerating compressor with elastic heat material for cold accumulation, which is provided with two internal grooves of a shell. When the cold accumulation circulation starts, the elastic heat material in the contraction state is arranged at the first end of the groove in the shell and is influenced by the low-temperature refrigerant fluid at the air suction end, the elastic heat material releases heat and gradually recovers the original length, and the heat is conducted to the shell from the elastic heat material in a heat conduction mode so as to improve the temperature of the junction box; when the cold accumulation circulation starts, the elastic heating material in the original long state is arranged at the exhaust end and is influenced by the high-temperature and high-pressure refrigerant fluid at the exhaust end, the elastic heating material starts to absorb heat and shrink, and the heat is conducted from the refrigerant gas to the elastic heating material in a heat conduction mode so as to reduce the exhaust temperature of the compressor.
When the cold accumulation circulation is finished, the elastic and thermal material at the air suction end recovers to the original length, the first electromagnetic valve 7 on the left side of the air suction end is opened, the pressure on the left side is increased, the second electromagnetic valve 8 on the right side is opened, the pressure on the right side is reduced, and the pressure difference pushes the piston to push the elastic and thermal material to the exhaust end. And the elastic heating material at the exhaust end is in a contraction state, the first electromagnetic valve 7 on the right side of the exhaust end is opened, the pressure on the right side is increased, the second electromagnetic valve 8 on the left side is opened, the pressure on the left side is reduced, and the pressure difference pushes the piston to push the elastic heating material to the position, close to the junction box, of the motor cavity of the compressor, so that a new cycle of circulation is started.
The second embodiment:
the utility model provides a double-screw refrigerating compressor with elastic heat material for cold accumulation, which is provided with three internal grooves of a shell. Considering that the heat exchange speed may be different between the two sides of the exhaust end and the suction end, there are cases where the elasto-thermal material of the exhaust end has contracted but the elasto-thermal material of the suction end has not recovered. At this time, one compressor inner tank is added for standby on the basis of two casing inner tanks. When the elastic heating material at the exhaust end shrinks and then is transported to the air suction end, the elastic heating material in the inner groove can be transported to the exhaust end for standby, and continuous exhaust cooling is carried out.
The main functions of the utility model are as follows:
the utility model arranges the elastic heating material in the original length state at the exhaust end of the inner groove of the shell by arranging the inner groove of the shell and the elastic heating material and utilizing the characteristics that the elastic heating material extends when releasing heat and contracts when absorbing heat, and the elastic heating material starts absorbing heat and contracts, thereby reducing the exhaust temperature of the compressor; the elastic heating material in the contraction state is arranged at the air suction end of the inner groove of the shell, the elastic heating material releases heat and gradually recovers to the original shape, so that the temperature of the junction box is increased, and the condensation of water vapor is prevented.
According to the utility model, the first electromagnetic valve, the second electromagnetic valve and the piston are arranged, the first electromagnetic valve loads high-pressure oil to the rear end of the piston, meanwhile, the second electromagnetic valve of the piston at the other side is opened to discharge the high-pressure oil behind the piston to be low pressure, and the piston is pushed by the pressure difference at two sides. The second solenoid valve discharges the high pressure oil existing at the rear end of the piston, the rear end of the piston becomes low pressure, and the first solenoid valve of the other piston on the other side opens to the high pressure oil to form a pressure difference. The pressure on two sides of the piston can be increased and unloaded through the first electromagnetic valve and the second electromagnetic valve, so that the effect of cold accumulation circulation can be achieved.
In the description of the present invention, it is to be understood that the terms "upper end surface", "lower end surface", "top", "bottom", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and thus are not to be construed as limiting the practical use direction of the present invention.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (10)
1. The utility model provides a take twin-screw compressor of elastic heat material which characterized in that: including compressor housing, compressor housing is equipped with the inside groove of casing, the inside groove of casing extends to the exhaust end from compressor housing's the end of breathing in, the inside inslot of casing is equipped with elastic thermal material and drive structure, drive structure is used for promoting elastic thermal material and slides in the inside inslot of casing.
2. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 1, characterized in that: the driving structure comprises a pressure control device and a piston, wherein the piston is arranged at two ends of the inner groove of the shell, the pressure control device is connected with two ends of the inner groove of the shell, and the pressure control device is used for providing pressure difference on two sides of the piston so as to push the piston and the elastic heating material to slide in the inner groove of the shell.
3. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 2, characterized in that: the piston comprises a first piston and a second piston, the first piston is arranged at one end of the inner groove of the machine shell, and the second piston is arranged at the other end of the inner groove of the machine shell.
4. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 3, characterized in that: the pressure control device comprises a first electromagnetic valve and a second electromagnetic valve, wherein the first electromagnetic valve is used for pressurization, and the second electromagnetic valve is used for depressurization.
5. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 1, characterized in that: more than two grooves are arranged in the shell.
6. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 1, characterized in that: two grooves are arranged in the shell.
7. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 6, characterized in that: the elastic heating material of one of the inner grooves of the machine shell is arranged at the air suction end of the inner groove of the machine shell, and the elastic heating material of the other inner groove of the machine shell is arranged at the air exhaust end of the inner groove of the machine shell.
8. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 1, characterized in that: three grooves are formed in the shell.
9. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 1, characterized in that: a motor cavity is arranged in the compressor shell, the motor cavity is arranged at the air suction end of the compressor shell, and a motor junction box is arranged in the motor cavity; the compressor is characterized in that a rotor cavity and an exhaust bearing cavity are further arranged inside the compressor shell, the exhaust bearing cavity is arranged at the exhaust end of the compressor shell, and the rotor cavity is arranged between the motor cavity and the exhaust bearing cavity.
10. The twin-screw refrigeration compressor with the elastic heating material as claimed in claim 1, characterized in that: the elastic heating material is flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815241.XU CN216342795U (en) | 2021-11-17 | 2021-11-17 | Double-screw refrigerating compressor with elastic heating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815241.XU CN216342795U (en) | 2021-11-17 | 2021-11-17 | Double-screw refrigerating compressor with elastic heating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342795U true CN216342795U (en) | 2022-04-19 |
Family
ID=81149967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122815241.XU Active CN216342795U (en) | 2021-11-17 | 2021-11-17 | Double-screw refrigerating compressor with elastic heating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342795U (en) |
-
2021
- 2021-11-17 CN CN202122815241.XU patent/CN216342795U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101688536B (en) | Rotary compressor and refrigeration cycle device | |
| CN101542072B (en) | Fluid machine and refrigeration cycle device | |
| US6568198B1 (en) | Multi-stage compression refrigerating device | |
| KR20080089174A (en) | 2 stage-compression type rotary compressor corresponding to injection and hit pump system therewith | |
| CN104180586A (en) | Heat pipe heat transfer system at low-temperature end of low-temperature refrigerator | |
| BR112021012978A2 (en) | HIGH PERFORMANCE COMPRESSORS AND STEAM COMPRESSION SYSTEMS | |
| WO2011148453A1 (en) | Two-stage rotary compressor and heat pump apparatus | |
| EP3115611B1 (en) | Two-stage rotary compressor and refrigerating circulation device having same | |
| JP6125375B2 (en) | Screw compressor | |
| CN216342795U (en) | Double-screw refrigerating compressor with elastic heating material | |
| CN114165441A (en) | Double-screw refrigerating compressor with elastic heating material | |
| CN110345075A (en) | Screw compressor and heat pump system | |
| CN104895790A (en) | Twin-screw compressor with intermediate air-pumping function and multiple-temperature-zone heat pump system | |
| CN204239254U (en) | Rotary compressor | |
| CN204226200U (en) | A kind of screw-type refrigerating system and exhaust end base of oil injection threaded bolt formula compressor thereof | |
| CN216554383U (en) | Screw rotor and double-screw air compressor | |
| CN102900652A (en) | Special cooling device for helium compressor | |
| CN216922491U (en) | Water-cooled type screw vacuum pump | |
| CN215809497U (en) | Cooling system and draught beer machine | |
| CN102589190A (en) | Refrigeration method and special equipment without using compressor | |
| Wang et al. | Research on oil-free hermetic refrigeration scroll compressor | |
| KR100561099B1 (en) | Scroll-type compressor having a cooling structure with heat pipe | |
| JP4997462B2 (en) | Stirling regenerative external combustion system and refrigerator system using the same | |
| CN207920870U (en) | Compressor and refrigeration equipment | |
| CN220586119U (en) | Flywheel energy storage cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |