CN209295330U - The cold air-conditioning of the list of distributed arrangement - Google Patents
The cold air-conditioning of the list of distributed arrangement Download PDFInfo
- Publication number
- CN209295330U CN209295330U CN201822216231.2U CN201822216231U CN209295330U CN 209295330 U CN209295330 U CN 209295330U CN 201822216231 U CN201822216231 U CN 201822216231U CN 209295330 U CN209295330 U CN 209295330U
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- valve
- pressure
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- flow pump
- outlet
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Abstract
The utility model relates to a kind of cold air-conditionings of the list of distributed arrangement.It includes the indoor unit of multiple parallel connections and the outdoor unit of multiple parallel connections；Indoor unit includes compressor and evaporator, and the outlet of compressor accesses high-pressure air pipe；Outdoor unit includes condenser, the shunting outlet of high-pressure air pipe is connected with the import of condenser, the outlet of condenser accesses high-pressure liquid tube, the shunting outlet of high-pressure liquid tube is respectively connected to evaporator, the outlet of evaporator is connected with the import of compressor all the way, another way accesses low-pressure air pipe, and low-pressure air pipe is communicated with high-pressure air pipe.A kind of cold air-conditioning of the list of distributed arrangement of the utility model arranges indoor unit for thermic load, is arranged outdoor unit according to the exterior space；As thermic load increases, air-conditioning system does not have to shut down yet expansible air conditioning capacity: more indoor units realize single compressor low-frequency operation, while multiple outdoor unit blowers can not be run or part is run, and realize underload cryogenic refrigeration；For easily worn parts such as compressors, it can be achieved that air-conditioning not shutdown maintenance.
Description
Technical field
The utility model relates to a kind of cold air-conditionings of the list of distributed arrangement.Belong to air-conditioning technical field.
Background technique
Single cold type air-conditioning refers to air conditioner only with refrigerating function.
In certain scenes, indoor heat load is uneven (there are apparent hot spots), and indoor equipment (thermic load) need to be with
Subsequent need is stepped up.For indoor heat load unevenness, needs for indoor unit to be directly arranged at hotspot location and carry out fixed point system
It is cold, it is mostly handled currently on the market with the air conditioning mode of room-level, carries out reasonable air current composition for hot spot and be resolved, it is such
Mode flexibility ratio is poor；It is stepped up for thermic load, is that preconsolidation stress is good currently on the market, air-conditioning is disposably put into place, such as
This input cost is high, and later maintenance cost is high.
Summary of the invention
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of cold air-conditionings of the list of distributed arrangement.
Purpose of the utility model is realized as follows:
A kind of cold air-conditioning of the list of distributed arrangement, its main feature is that: it includes multiple indoor units and multiple outdoor units, multiple rooms
Interior machine is connected in parallel by high-pressure liquid tube, high-pressure air pipe and low-pressure air pipe, and multiple outdoor units pass through high-pressure liquid tube and high-pressure air pipe
It is connected in parallel；
Indoor unit includes compressor, evaporator, the first electric expansion valve, check valve, the first high-pressure gas stop valve, first
Highly pressurised liquid shut-off valve, the first low-pressure gas shut-off valve and pressure sensor, the outlet of the compressor of each indoor unit access high
Air pipe is provided with check valve, pressure sensor and the first high-pressure gas stop valve on the connecting line of the two；
Outdoor unit includes condenser, the second electric expansion valve, the second high-pressure gas stop valve and the cut-off of the second highly pressurised liquid
Valve；The shunting outlet of high-pressure air pipe is connected with the import of the condenser of each outdoor unit, and it is high that second is provided on connecting line
Gas stop valve is pressed, the outlet of the condenser of each outdoor unit accesses high-pressure liquid tube, is provided with the second high pressure on connecting line
Liquid stop valve and the second electric expansion valve, the shunting outlet of high-pressure liquid tube are respectively connected to the evaporator of each indoor unit, evaporator
Outlet be connected all the way with the import of compressor, another way accesses low-pressure air pipe, and low-pressure air pipe communicates with high-pressure air pipe.
Further, indoor unit further includes oil eliminator and oil return capillary, the outlet of compressor and oil eliminator into
Mouth is connected, and the first outlet of oil eliminator accesses high-pressure air pipe, and the second outlet of oil eliminator by oil return capillary and is compressed
The import of machine is connected.
Further, indoor unit further includes suction solenoid valve and suction and discharge check valve, and suction solenoid valve is arranged in compressor
Inlet ductwork on, suction and discharge check valve is arranged on the connecting line of the first low-pressure gas shut-off valve and compressor.
Further, it further includes cold flow pump module, and cold flow pump module is arranged on high-pressure liquid tube, and cold flow pump module includes
Cold flow pump, cold flow pump inlet solenoid valve, high pressure fluid reservoir, cold flow pump bypass check valve, module inlet shut-off valve, module outlet are cut
Only valve and cold flow pump out oral fluid valve, and cold flow pumps at least one and is connected in parallel, and the setting of cold flow pump inlet solenoid valve is pumped in cold flow
Inlet ductwork on, cold flow pump out oral fluid valve be arranged in cold flow pump export pipeline on, cold flow pump bypass check valve and cold flow pump
Parallel connection, module inlet shut-off valve and high pressure fluid reservoir are arranged in the inlet ductwork of cold flow pump module, and module outlet shut-off valve is set
It sets on the export pipeline of cold flow pump module.
Compared with prior art, the utility model has the beneficial effects that
1, a kind of cold air-conditioning of the list of distributed arrangement of the utility model arranges indoor unit for hot spot situation, according to outdoor
Space is arranged outdoor unit.
2, a kind of cold air-conditioning of the list of distributed arrangement of the utility model, as thermic load increases, air conditioning capacity also expands therewith
Exhibition, air-conditioning system do not have to shut down.
3, a kind of cold air-conditioning of the list of distributed arrangement of the utility model, whens multiple indoor units, can realize that single compressor low frequency is transported
Row, while multiple outdoor unit blowers can not be run or part is run, and realize underload cryogenic refrigeration.
4, a kind of cold air-conditioning of the list of distributed arrangement of the utility model, for easily worn parts such as compressors, it can be achieved that air-conditioning
Not shutdown maintenance.
5, a kind of cold air-conditioning of the list of distributed arrangement of the utility model may be implemented low under the action of cold flow pump module
Temperature refrigeration.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the cold air-conditioning of list of the distributed arrangement of the utility model embodiment 1.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Fig. 3 is the enlarged drawing of B in Fig. 1.
Fig. 4 is a kind of schematic diagram of the cold air-conditioning of list of the distributed arrangement of the utility model embodiment 2.
Fig. 5 is the enlarged drawing of C in Fig. 4.
Fig. 6 is the enlarged drawing of D in Fig. 4.
Fig. 7 is a kind of schematic diagram of the cold air-conditioning of list of the distributed arrangement of the utility model embodiment 3.
Fig. 8 is the enlarged drawing of E in Fig. 7.
Fig. 9 is the enlarged drawing of F in Fig. 7.
Figure 10 is the enlarged drawing of G in Fig. 7.
In figure:
Compressor 1, evaporator 2, the first electric expansion valve 3, oil eliminator 4, oil return capillary 5, check valve 6, first is high
Pressure gas stop valve 7, the first highly pressurised liquid shut-off valve 8, the first low-pressure gas shut-off valve 9, pressure sensor 10, condenser 11,
Second electric expansion valve 12, the second high-pressure gas stop valve 13, the second highly pressurised liquid shut-off valve 14, high-pressure liquid tube 15, high pressure gas
Pipe 16, low-pressure air pipe 17, suction solenoid valve 18, suction and discharge check valve 19, cold flow pump 20, cold flow pump inlet solenoid valve 21, high pressure
Fluid reservoir 22, cold flow pump bypass check valve 23, module inlet shut-off valve 24, module outlet shut-off valve 25, cold flow pump out oral fluid valve
26。
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
Embodiment 1
Referring to Fig. 1-3, the utility model relates to a kind of cold air-conditioning of the list of distributed arrangement, it includes multiple indoor units and more
A outdoor unit, multiple indoor units are connected in parallel by high-pressure liquid tube 15, high-pressure air pipe 16 and low-pressure air pipe 17, and multiple outdoor units are logical
It crosses high-pressure liquid tube 15 and high-pressure air pipe 16 is connected in parallel；
Indoor unit includes compressor 1, evaporator 2, the first electric expansion valve 3, oil eliminator 4, oil return capillary 5, unidirectional
Valve 6, the first high-pressure gas stop valve 7, the first highly pressurised liquid shut-off valve 8, the first low-pressure gas shut-off valve 9 and pressure sensor
10, the outlet of compressor 1 is connected with the import of oil eliminator 4, and the first outlet of oil eliminator 5 accesses high-pressure air pipe 16, the two
Connecting line on be provided with check valve 6, pressure sensor 10 and the first high-pressure gas stop valve 7, the second of oil eliminator 5 goes out
Mouth is connected by oil return capillary 5 with the import of compressor 1, and high-pressure gaseous refrigerant branches to each outdoor by high-pressure air pipe 16
Machine；Gaseous coolant through compressor 1 compression after enter oil eliminator 4 be separated into lubricating oil gaseous coolant and sub-department profit
The gaseous coolant of lubricating oil returns to compressor 1, separated lubricating oil out through oil return capillary 5 again with the gaseous coolant of lubricating oil
Gaseous coolant enter high-pressure air pipe 16 through check valve 6 and the first high-pressure gas stop valve 7.
Outdoor unit includes condenser 11, the second electric expansion valve 12, the second high-pressure gas stop valve 13 and the second high pressure liquid
Body shut-off valve 14；The shunting outlet of high-pressure air pipe 16 is connected with the import of condenser 11, and the is provided on the connecting line of the two
Two high-pressure gas stop valves 13, the outlet of condenser 11 access high-pressure liquid tube 15, and it is high to be provided with second on the connecting line of the two
Press liquid shut-off valve 14 and the second electric expansion valve 12, the shunting outlet of high-pressure liquid tube 15 are respectively connected to the evaporator of each indoor unit
2, the outlet of evaporator 2 is connected with the import of compressor 1 all the way, and another way accesses low-pressure air pipe 17, low-pressure air pipe 17 and high pressure
Tracheae 16 communicates.
Working principle:
The gaseous coolant of indoor unit compresses through compressor 1 and reaches the first high-pressure gas stop valve 7 through oil eliminator 4, it
The pressurized gas refrigerant of the indoor unit of each parallel connection converges in high-pressure air pipe 16 afterwards, is then tapped off in the outdoor unit of each parallel connection, high
Body of calming the anger enters condenser 11 through air valve and is condensed into highly pressurised liquid refrigerant, after the throttling of the second electric expansion valve 12, in parallel connection
Outdoor unit high-pressure liquid tube 15 converges, and indoor unit high-pressure liquid tube 15 in parallel is returned by online pipe, is finally diverted to each parallel connection
Indoor unit, throttle by the first electric expansion valve 3 of indoor unit, be evaporated to superheated steam into evaporator 2, eventually pass back to each
1 air entry of compressor of the indoor unit of a parallel connection.
For the expansibility for guaranteeing system, high-pressure liquid tube 15, high-pressure air pipe 16 and the low-pressure air pipe 17 of refrigeration system are arranged
There is corresponding shut-off valve, increases reserved expansion interface for later indoor and outdoor load.Expand the right side double dot dash line that example is shown in Fig. 1
Frame.
When indoor underload, the compressor 1 of the indoor unit of each parallel connection can individually or part is run, not running compressor
1 indoor unit, highly pressurised liquid refrigerant enter low pressure after evaporator 2 is evaporated to superheated steam, through the first low-pressure gas shut-off valve 9
Tracheae 17, all indoor units can also carry out refrigeration operation simultaneously, obtain enough refrigerating capacitys, meet the thermic load of indoor unit locality
Demand；Meanwhile the blower of the condenser 11 of outdoor unit can also separate unit or part operation (be directed to cryogenic refrigeration, outdoor unit blower can
All to shut down to maintain condensing pressure), the outdoor unit of the blower of not running condenser 11 can pass through the second electric expansion valve 12
Reasonable aperture, adjust participate in refrigeration cycle optimal refrigerant amount.
When indoor unit complete machine, outdoor unit complete machine or part thereof damage of components, without turn off complete machine, need to will only close indoor
Machine or the corresponding shut-off valve of outdoor unit, so that it may replace the complete machine or components of respective unit.
Embodiment 2
Referring to fig. 4-6, embodiment 2 the difference from embodiment 1 is that, the indoor unit in embodiment 2 does not have 4 He of oil eliminator
Oil return capillary 5, working principle is same as Example 1.
Embodiment 3
Referring to 7-10, the indoor unit of embodiment 3 increases on the basis of being the indoor unit in embodiment 1 and/or embodiment 2
Suction solenoid valve 18 and suction and discharge check valve 19, suction solenoid valve 18 are arranged in the inlet ductwork of compressor 1, and suction and discharge are unidirectional
The first low-pressure gas shut-off valve 9 is arranged in on the connecting line of compressor 1 in valve 19, and Fig. 9 is based on based on the figure of embodiment 1
The figure of embodiment 2 is similarly.
The outdoor unit of embodiment 3 is identical as embodiment 1 and embodiment 2；
In embodiment 3, a cold flow pump module is also added, cold flow pump module is arranged on high-pressure liquid tube 15, cold flow pump
Module includes cold flow pump 20, cold flow pump inlet solenoid valve 21, high pressure fluid reservoir 22, cold flow pump bypass check valve 23, module inlet
Shut-off valve 24, module outlet shut-off valve 25 and cold flow pump out oral fluid valve 26, cold flow pump 20 at least one and be connected in parallel, cold flow
Pump inlet solenoid valve 21 is arranged in the inlet ductwork of cold flow pump 20, and cold flow pumps out the outlet that cold flow pump 20 is arranged in oral fluid valve 26
On pipeline, cold flow pump bypass check valve 23 is in parallel with cold flow pump 20, and module inlet shut-off valve 24 and the setting of high pressure fluid reservoir 22 exist
In the inlet ductwork of cold flow pump module, module outlet shut-off valve 25 is arranged on the export pipeline of cold flow pump module.
When normal refrigeration, the suction solenoid valve 18 of indoor unit, which is in, is opened, and cold flow pump 20 is in close state, and not putting into makes
With cold flow pump inlet solenoid valve 21 is in close state, and high-pressure liquid refrigerant pumps bypass check valve 23 from cold flow and flows through；Work as parallel connection
Outdoor unit and more indoor unit in parallel when, high-pressure liquid tube 15 is longer at this time, opens cold flow pump 20 and suction solenoid valve 18, has
Conducive to the load for mitigating compressor 1, high-pressure liquid refrigerant branches to indoor unit after 20 pressurization of cold flow pump.
In cryogenic refrigeration, compressor 1 is out of service, and suction solenoid valve 18 is in close state, and opens cold flow pump 20, cold
Stream pump inlet solenoid valve 21 is in the open state, and the liquid refrigerants in high pressure fluid reservoir 22 is through 20 pressurization outflow cold flows of cold flow pump
Pump module enters the room machine, throttles through the first electric expansion valve 3, is evaporated to gaseous coolant in evaporator 2, gaseous coolant from
The bypass of suction and discharge check valve 19 enters high-pressure air pipe 16, and the condenser 11 that high-pressure air pipe 16 branches to outdoor unit condenses, after condensation
Liquid enter high-pressure liquid tube 15, cold flow pump module is eventually passed back to, into high pressure fluid reservoir 22.
In the above-described embodiments, exemplary description only is carried out to the utility model, but those skilled in the art are reading
Various repair can be carried out to the utility model in the case where not departing from the spirit and scope of the utility model after present patent application
Change.
Claims (5)
1. a kind of cold air-conditioning of the list of distributed arrangement, it is characterised in that: it includes multiple indoor units and multiple outdoor units, multiple rooms
Interior machine is connected in parallel by high-pressure liquid tube, high-pressure air pipe and low-pressure air pipe, and multiple outdoor units pass through high-pressure liquid tube and high-pressure air pipe
It is connected in parallel；
Indoor unit includes compressor, evaporator, the first electric expansion valve, check valve, the first high-pressure gas stop valve, the first high pressure
The outlet of liquid stop valve, the first low-pressure gas shut-off valve and pressure sensor, the compressor of each indoor unit accesses high pressure gas
It manages, is provided with check valve, pressure sensor and the first high-pressure gas stop valve on the connecting line of the two；
Outdoor unit includes condenser, the second electric expansion valve, the second high-pressure gas stop valve and the second highly pressurised liquid shut-off valve；It is high
The shunting outlet of air pipe is connected with the import of the condenser of each outdoor unit, and the second high pressure gas is provided on connecting line
Shut-off valve, the outlet of the condenser of each outdoor unit access high-pressure liquid tube, and the second highly pressurised liquid is provided on connecting line and is cut
Only valve and the second electric expansion valve, the shunting outlet of high-pressure liquid tube are respectively connected to the evaporator of each indoor unit, the outlet of evaporator
It is connected all the way with the import of compressor, another way accesses low-pressure air pipe, and low-pressure air pipe is communicated with high-pressure air pipe.
2. a kind of cold air-conditioning of list of distributed arrangement according to claim 1, it is characterised in that: indoor unit further includes oil
From device and oil return capillary, the outlet of compressor is connected with the import of oil eliminator, and the first outlet of oil eliminator accesses high pressure
The second outlet of tracheae, oil eliminator is connected by oil return capillary with the import of compressor.
3. a kind of cold air-conditioning of list of distributed arrangement according to claim 1 or 2, it is characterised in that: indoor unit further includes
Suction solenoid valve and suction and discharge check valve, suction solenoid valve are arranged in the inlet ductwork of compressor, the setting of suction and discharge check valve
On the connecting line of the first low-pressure gas shut-off valve and compressor.
4. a kind of cold air-conditioning of list of distributed arrangement according to claim 3, it is characterised in that: it further includes cold flow pump mould
Block, cold flow pump module are arranged on high-pressure liquid tube, and cold flow pump module includes cold flow pump, cold flow pump inlet solenoid valve, high pressure liquid storage
Tank, cold flow pump bypass check valve, module inlet shut-off valve, module outlet shut-off valve and cold flow pump out oral fluid valve, cold flow pump inlet
Solenoid valve is arranged in the inlet ductwork of cold flow pump, and cold flow pumps out oral fluid valve and is arranged on the export pipeline of cold flow pump, cold flow pump
Bypass that check valve is in parallel with cold flow pump, the inlet ductwork of cold flow pump module is arranged in module inlet shut-off valve and high pressure fluid reservoir
On, module outlet shut-off valve is arranged on the export pipeline of cold flow pump module.
5. a kind of cold air-conditioning of list of distributed arrangement according to claim 4, it is characterised in that: cold flow pumps at least one
And it is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216231.2U CN209295330U (en) | 2018-12-27 | 2018-12-27 | The cold air-conditioning of the list of distributed arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216231.2U CN209295330U (en) | 2018-12-27 | 2018-12-27 | The cold air-conditioning of the list of distributed arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209295330U true CN209295330U (en) | 2019-08-23 |
Family
ID=67649407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822216231.2U Expired - Fee Related CN209295330U (en) | 2018-12-27 | 2018-12-27 | The cold air-conditioning of the list of distributed arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209295330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469956A (en) * | 2018-12-27 | 2019-03-15 | 迪邦仕冷却技术（苏州）有限公司 | The cold air-conditioning of the list of distributed arrangement |
-
2018
- 2018-12-27 CN CN201822216231.2U patent/CN209295330U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469956A (en) * | 2018-12-27 | 2019-03-15 | 迪邦仕冷却技术（苏州）有限公司 | The cold air-conditioning of the list of distributed arrangement |
| CN109469956B (en) * | 2018-12-27 | 2024-08-02 | 迪邦仕冷却技术（苏州）有限公司 | Single-cooling air conditioner distributed |
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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: 20190823 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |