CN211575581U - Air-cooled screw type water chilling unit - Google Patents
Air-cooled screw type water chilling unit Download PDFInfo
- Publication number
- CN211575581U CN211575581U CN202020141221.1U CN202020141221U CN211575581U CN 211575581 U CN211575581 U CN 211575581U CN 202020141221 U CN202020141221 U CN 202020141221U CN 211575581 U CN211575581 U CN 211575581U
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- air
- heat exchanger
- unit body
- condenser
- side heat
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Abstract
The utility model relates to the technical field of refrigeration equipment, in particular to an air-cooled screw type water chilling unit, which adopts the technical scheme that a unit body comprises an electric cabinet, an evaporator, a condenser, an expansion valve and a compressor, wherein the inlet end of the condenser is connected with the outlet end of the compressor, the outlet end of the condenser is connected with the expansion valve, one end of the expansion valve, which is far away from the condenser, is connected with the inlet end of the evaporator, and the outlet end of the evaporator is connected with the inlet end of the compressor; the main body of the equipment also comprises an air side heat exchanger which is arranged in the frame, and the unit body is arranged on one side of the air side heat exchanger along the length direction of the frame. The unit body is arranged on one side of the air side heat exchanger along the length direction of the air side heat exchanger, the height of the whole equipment can be effectively reduced, and the height space occupied by the equipment is reduced, so that the unit body can be suitable for spaces with lower height and spaces with different heights.
Description
Technical Field
The utility model belongs to the technical field of refrigeration plant technique and specifically relates to a forced air cooling screw cooling water set is related to.
Background
The air-cooled screw type water chiller is named as an air-cooled screw type water chiller because a compressor which is a key component adopts a screw type, and the state of the unit from an evaporator is a gaseous refrigerant; after adiabatic compression by a compressor, the state is changed into a high-temperature and high-pressure state. The compressed gas refrigerant is cooled and condensed in a condenser at equal pressure, is changed into a liquid refrigerant after being condensed, and is expanded to low pressure through a throttle valve to be changed into a gas-liquid mixture. The liquid refrigerant at low temperature and low pressure absorbs the heat of the cooled matter in the evaporator and is converted into gaseous refrigerant. The gaseous refrigerant re-enters the compressor through the pipeline and starts a new cycle. The four processes of the refrigeration cycle are also the main working principle of the screw type water chiller.
The existing Chinese patent with the publication number of CN208620650U discloses a screw air-cooled water chilling unit, which comprises an equipment main body, wherein the equipment main body comprises a rack, an electric cabinet used for controlling the operation of the unit, an evaporator used for preparing cold water, a condenser performing heat exchange with ambient temperature and a compressor pressurizing a refrigerant, the evaporator is arranged in the rack, the condenser is arranged above the evaporator, the compressor is arranged above the condenser, and the electric cabinet is arranged on one side of the compressor. The main body of the equipment also comprises an air side heat exchanger, the air side heat exchanger is arranged above the compressor, a radiating fan is arranged above the air side heat exchanger, the front surface of the air side heat exchanger is provided with a filter screen cover, the bottom end of the air side heat exchanger is provided with a water receiving tray, and one side of the water receiving tray is provided with a water outlet. After the equipment is installed, the equipment is electrified to operate, and the cooling fan operates to drive air to flow and take away high temperature on the cooling fins of the air-side heat exchanger.
However, the above prior art solutions have the following drawbacks: because the air side heat exchanger of the water chilling unit is arranged above the compressor, the compressor is arranged above the condenser, and the condenser is arranged above the evaporator, the whole equipment is higher, and more height space is occupied, so that the water chilling unit is not suitable for being used in a lower height space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compact structure, a high suitability air-cooled screw type cooling water set.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an air-cooled screw type water chilling unit comprises an equipment main body, wherein the equipment main body comprises a rack and a unit body, the unit body comprises an electric cabinet, an evaporator, a condenser, an expansion valve and a compressor, the inlet end of the condenser is connected with the outlet end of the compressor, the outlet end of the condenser is connected with the expansion valve, one end, far away from the condenser, of the expansion valve is connected with the inlet end of the evaporator, and the outlet end of the evaporator is connected with the inlet end of the compressor; the apparatus main body further includes an air-side heat exchanger provided in the rack, and the unit body is provided on one side of the air-side heat exchanger in a length direction of the rack.
By adopting the technical scheme, the unit body is arranged on one side of the air side heat exchanger along the length direction of the air side heat exchanger, the height of the whole equipment can be effectively reduced, and the height space occupied by the equipment is reduced, so that the air side heat exchanger can be suitable for the space with lower height and can be suitable for the spaces with different heights. After the height of the equipment is reduced, the gravity center is reduced, so that the equipment is relatively stable during installation; and the unit body is arranged at one side of the air side heat exchanger, thereby being convenient for maintaining the unit body. On the other hand, the unit body is arranged in the frame and positioned at one side of the air side heat exchanger, and can play a role of shielding the unit body, thereby playing a role of protecting the unit body.
The present invention may be further configured in a preferred embodiment as: the unit body further comprises a liquid storage tank, a liquid inlet of the liquid storage tank is connected with the condenser, and a liquid outlet of the liquid storage tank is connected with the expansion valve.
Through adopting above-mentioned technical scheme, the liquid storage pot is used for storing the refrigerant of the difference that produces when refrigeration and heating mode conversion, increases the supply when the system is big to the required quantity of refrigerant, and the demand is then temporarily stored in the liquid storage pot hour to can play the effect of buffering, avoid influencing equipment normal work because the refrigerating fluid volume is too much or too little.
The present invention may be further configured in a preferred embodiment as: the liquid storage tank is arranged on the side wall of the air side heat exchanger close to the compressor.
By adopting the technical scheme, the limited space can be effectively utilized, the space is saved, the structure is compact, and the stability of the equipment is better.
The present invention may be further configured in a preferred embodiment as: the frame comprises a bottom plate and a cover plate arranged above the bottom plate, the unit body and the air side heat exchanger are both arranged on the bottom plate, and a support frame is arranged between the bottom plate and the cover plate and at the position of the unit body.
Through adopting above-mentioned technical scheme, the support frame can play the effect of support to bottom plate and apron, further increases the intensity and the connection stability of equipment.
The present invention may be further configured in a preferred embodiment as: all be provided with the protection casing between bottom plate and the apron, the unit body sets up in the protection casing, just be located its bottom on the protection casing and be provided with the air exit.
Through adopting above-mentioned technical scheme, the protection casing can further play the effect of protection to the unit body, and the setting of air exit can reach radiating effect.
The present invention may be further configured in a preferred embodiment as: and grid plates are arranged on the protective cover and above the corresponding air outlets.
Through adopting above-mentioned technical scheme, the setting of grid tray can avoid dust, powder and liquid etc. to get into in the protection casing when not influencing normal ventilation.
The present invention may be further configured in a preferred embodiment as: the protection casing rotates and is connected with the access door, be provided with the mounting that is used for fixed access door between protection casing and the access door.
Through adopting above-mentioned technical scheme, the installation and the dismantlement of unit body can be convenient for in the setting of access door to can reach the effect of the operation of being convenient for.
The present invention may be further configured in a preferred embodiment as: the mounting is including setting up the first magnet on the access door inner wall, just be provided with the second magnet with the corresponding position of first magnet on the safety guard.
Through adopting above-mentioned technical scheme, access door and protection casing pass through first magnet and second magnet fixed connection, can be convenient for open and close of access door, and can further reach the effect of the operation of being convenient for.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the unit body is arranged on one side of the air side heat exchanger along the length direction of the air side heat exchanger, so that the height of the whole equipment is effectively reduced, and the height space occupied by the equipment is reduced, so that the unit body can be suitable for the space with lower height;
2. through the setting of protection casing, access door, can play the effect of protection to the unit body, and the installation and the dismantlement of unit body of can being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure shown in the embodiment of the present invention;
fig. 2 is a schematic structural diagram for showing the connection relationship between the protective cover and the access door according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram for embodying the unit body according to the embodiment of the present invention.
In the figure, 1, an apparatus main body; 11. a frame; 12. a unit body; 13. an air-side heat exchanger; 14. a base plate; 15. a cover plate; 16. a support frame; 17. a heat dissipation fan; 18. a filtering net cover; 2. an evaporator; 21. a condenser; 22. a liquid storage tank; 23. a compressor; 3. a protective cover; 31. an access door; 32. a first magnet; 33. a second magnet; 34. A grid plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an air-cooled screw water chilling unit, including equipment main part 1, equipment main part 1 includes frame 11, unit body 12 (refer to fig. 2) and air side heat exchanger 13, and frame 11 includes bottom plate 14 and sets up apron 15 above bottom plate 14, and apron 15 all downwardly extending is formed with the baffle along its width direction's both ends.
Referring to fig. 2, the air-side heat exchanger 13 is provided on the bottom plate 14 between the bottom plate 14 and the cover plate 15, the unit body 12 is provided on the bottom plate 14 on one side of the air-side heat exchanger 13 in the longitudinal direction of the frame 11, and a support frame 16 is provided between the bottom plate 14 and the cover plate 15 at a position of the unit body 12. The upper room of the air-side heat exchanger 13 is provided with a radiator fan 17, and the front surface of the air-side heat exchanger 13 is provided with a filter screen 18.
Referring to fig. 2, a protective cover 3 is provided on the frame 11, and a unit body 12 is provided in the protective cover 3. An access door 31 is rotatably connected to one end of the shield 3 away from the air-side heat exchanger 13 through a hinge, a fixing member is arranged between the shield 3 and the access door 31, in the embodiment, the fixing member includes a first magnet 32 arranged at one end of the access door 31 close to the end face of the shield 3 and away from the hinge, and a second magnet 33 is arranged at a position on the shield 3 corresponding to the first magnet 32. Through the attraction of the first magnet 32 and the second magnet 33, the protection cover 3 and the access door 31 can be fixed, and the access door 31 is convenient to open and close.
Referring to fig. 2, the protection cover 3 is provided with a plurality of air outlets along two side walls of the width direction of the frame 11 and located at the bottom, the protection cover 3 is provided with a grid plate 34 above the air outlets, the grid plate 34 can shield the air outlets, and dust, powder, liquid and the like can be prevented from entering the protection cover 3 while normal ventilation is not affected.
Referring to fig. 3, the unit body 12 includes an electric cabinet (not shown), an evaporator 2, a condenser 21, a liquid storage tank 22, an expansion valve (not shown), and a compressor 23, the compressor 23 is disposed on the bottom plate 14 and located on one side of the air-side heat exchanger 13 along the length direction of the bottom plate 14, the evaporator 2 and the condenser pipe are both disposed on the top surface of the bottom plate 14 and near one end of the compressor 23, the evaporator 2 and the condenser 21 are both disposed on one end of the bottom plate 14 along the width direction thereof and far away from the compressor 23, and the compressor 23 is disposed between the evaporator 2 and the condenser 21. The receiver 22 is fixedly provided on a side wall of the air-side heat exchanger 13 near the compressor 23, and the receiver 22 is provided above the compressor 23.
Referring to fig. 3, the inlet end of the condenser 21 is connected to the outlet end of the compressor 23, the outlet end of the condenser 21 is connected to the inlet of the liquid storage tank 22, the liquid outlet of the liquid storage tank 22 is connected to the expansion valve, the end of the expansion valve far away from the liquid storage tank 22 is connected to the inlet end of the evaporator 2, and the outlet end of the evaporator 2 is connected to the inlet end of the compressor 23.
The implementation principle of the embodiment is as follows:
the unit body 12 is provided on one side of the air-side heat exchanger 13 in the length direction thereof, and can effectively reduce the height of the entire apparatus, and reduce the height space occupied by the apparatus, so that it can be applied to a space having a low height, and can be applied to spaces having different heights.
When needing to overhaul unit body 12, to the one end pulling access door 31 of keeping away from protection casing 3, can make first magnet 32 on the access door 31 break away from second magnet 33 on the protection casing 3 to can make access door 31 open, can overhaul unit body 12.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an air-cooled screw cooling water set, includes equipment main part (1), equipment main part (1) includes frame (11) and unit body (12), its characterized in that: the unit body (12) comprises an electric cabinet, an evaporator (2), a condenser (21), an expansion valve and a compressor (23), wherein the inlet end of the condenser (21) is connected with the outlet end of the compressor (23), the outlet end of the condenser (21) is connected with the expansion valve, one end, far away from the condenser (21), of the expansion valve is connected with the inlet end of the evaporator (2), and the outlet end of the evaporator (2) is connected with the inlet end of the compressor (23); the apparatus main body (1) further includes an air-side heat exchanger (13), the air-side heat exchanger (13) is provided in the rack (11), and the unit body (12) is provided on one side of the air-side heat exchanger (13) in the longitudinal direction of the rack (11).
2. The air-cooled screw type water chilling unit of claim 1, wherein: the unit body (12) further comprises a liquid storage tank (22), a liquid inlet of the liquid storage tank (22) is connected with the condenser (21), and a liquid outlet of the liquid storage tank (22) is connected with the expansion valve.
3. The air-cooled screw type water chilling unit of claim 2, wherein: the receiver (22) is disposed on a side wall of the air-side heat exchanger (13) near the compressor (23).
4. The air-cooled screw type water chilling unit of claim 1, wherein: the frame (11) comprises a bottom plate (14) and a cover plate (15) arranged above the bottom plate (14), the unit body (12) and the air side heat exchanger (13) are both arranged on the bottom plate (14), and a support frame (16) is arranged between the bottom plate (14) and the cover plate (15) and positioned at the position of the unit body (12).
5. The air-cooled screw type water chilling unit of claim 4, wherein: all be provided with protection casing (3) between bottom plate (14) and apron (15), unit body (12) set up in protection casing (3), just be located its bottom on protection casing (3) and be provided with the air exit.
6. The air-cooled screw type water chilling unit of claim 5, wherein: and grid plates (34) are arranged on the protective cover (3) and above the air outlets.
7. The air-cooled screw type water chilling unit of claim 5, wherein: the protection casing (3) rotate and be connected with access door (31), be provided with the mounting that is used for fixed access door (31) between protection casing (3) and access door (31).
8. The air-cooled screw type water chilling unit of claim 7, wherein: the mounting is including setting up first magnet (32) on access door (31) inner wall, just be provided with second magnet (33) with first magnet (32) corresponding position on protection casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020141221.1U CN211575581U (en) | 2020-01-20 | 2020-01-20 | Air-cooled screw type water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020141221.1U CN211575581U (en) | 2020-01-20 | 2020-01-20 | Air-cooled screw type water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211575581U true CN211575581U (en) | 2020-09-25 |
Family
ID=72525640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020141221.1U Expired - Fee Related CN211575581U (en) | 2020-01-20 | 2020-01-20 | Air-cooled screw type water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211575581U (en) |
-
2020
- 2020-01-20 CN CN202020141221.1U patent/CN211575581U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 Termination date: 20220120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |