CN207162746U - Evaporating condensation type multi-connected machine - Google Patents
Evaporating condensation type multi-connected machine Download PDFInfo
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- CN207162746U CN207162746U CN201720864324.9U CN201720864324U CN207162746U CN 207162746 U CN207162746 U CN 207162746U CN 201720864324 U CN201720864324 U CN 201720864324U CN 207162746 U CN207162746 U CN 207162746U
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Abstract
A kind of evaporating condensation type multi-connected machine, includes the indoor units being made up of evaporator and expansion valve, compressor set and outdoor unit, and compressor set includes fluid reservoir and compressor；Outdoor unit includes unit casing, in being provided with circulating water pool and shower in unit casing, in being provided with spray head on shower, from spray head towards circulating water pool formed with spraying cooling water route.In the utility model, circulating water pool and shower are provided with outdoor unit, the connection between circulating water pool and shower is realized by water pump, spray head is provided with shower, cooling water can be sprayed by spray head, so as to realize the cooling by water to condenser pipe.Using the scheme of cooling by water, for traditional air cooling, the utility model outdoor unit is not influenceed by environment temperature for it, and condenser pipe operating efficiency is high, so as to reach the purpose that can improve refrigeration system refrigeration, additionally it is possible to reduce the operation energy consumption of refrigeration system.
Description
Technical field
Technical field of refrigeration equipment is the utility model is related to, more specifically, more particularly to a kind of evaporating condensation type is multi-joint
Machine.
Background technology
Multi-connected machine central air-conditioning is a type of family central air-conditioning, is commonly called as " one drag more ", refers to an outdoor unit
More indoor sets are connected by fluorine pipe.Multi-connected machine central air-conditioning has obtained widely in small and medium construction and part public building
Using.
In the prior art, a kind of typical multi-connected machine central air-conditioning, its structure are：Side sets evaporator machine indoors
Group, indoor temperature is reduced by evaporator unit；Condenser unit is set in outside, condenser unit uses air-cooled heat exchange shape
Formula is radiated.In the structure design of multi-connected machine central air-conditioning, its outside realizes that refrigerant condenses using air-cooled heat exchange, should
The type of cooling is larger by the influence degree of outdoor environment temperature.
Generally, condensation temperature is higher than environment temperature 5~7 DEG C, and condensation temperature is influenced by ambient temperature, environment temperature
Higher condensation temperature is also higher, thus has to increase cold when the heat exchange area of condenser just can guarantee that unit normal operation
It is solidifying to require.However, the area of dissipation of its condenser of existing multi-connected machine central air-conditioning is certain, if in summer, outdoor temperature compared with
In the case of height, the reduction for causing refrigeration unit operational efficiency is just very easy to.
In summary, how to solve traditional multi-connected machine central air-conditioning existing fortune under the higher use environment of outdoor temperature
The problem of line efficiency is relatively low, become those skilled in the art's urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of evaporating condensation type multi-connected machine, to solve traditional multi-connected machine central hollow
Adjust the problem of existing operational efficiency is relatively low under the higher use environment of outdoor temperature.
To achieve these goals, the utility model provides following technical scheme：
A kind of evaporating condensation type multi-connected machine, include be made up of evaporator and expansion valve indoor units, for refrigeration
Agent provides the compressor set of operation power and the outdoor unit for being condensed to refrigerant, it is characterised in that
The compressor set includes fluid reservoir and is connected with the tank connected compressor of the liquid storage, the fluid reservoir
Backflow end pipe for refrigerant backflow；
The outdoor unit includes unit casing, and exhaust outlet is offered at the top of the unit casing, in the machine
The bottom of assembly housing is provided with circulating water pool, in being provided with spray in the unit casing and on the downside of the exhaust outlet
Pipe, in being provided with spray head on the shower, the outside of the unit casing is provided with water pump, the water pump include into
The mouth of a river and delivery port, the water inlet connect with the circulating water pool, and the delivery port docks with the shower, described in
Spray head towards the circulating water pool formed with spraying cooling water route, in being provided with condenser pipe in the spraying cooling water route, institute
The one end for stating condenser pipe is connected with the compressor, and the other end of the condenser pipe is connected with the output end pipe of refrigerant output；
In the indoor units, the expansion valve docks with the output end pipe, the evaporator and the backflow end
Pipe docks；
The indoor units are provided with multiple, whole indoor units and are arranged in parallel.
Preferably, air inlet is offered in the middle part of the unit casing, in being provided with air feed shutter on the air inlet；
In being provided with axial flow blower on the exhaust outlet.
Preferably, it is provided with gas-liquid separator between the fluid reservoir and the compressor.
Preferably, the position of its top edge is provided with ball-cock assembly fluid infusion component in the circulating water pool, passes through institute
Ball-cock assembly fluid infusion component is stated to be connected with external supply equipment.
Preferably, the expansion valve is electric expansion valve.
Preferably, the condenser pipe on vertical direction into roundabout coiled structure.
Preferably, the utility model also includes water fender, and the water fender is arranged at the lower section of the exhaust outlet and position
In the upside of the shower, the water fender is provided with multiple, whole water fenders in mutual in horizontal direction
Spread configuration, formed with the dash passed through for high-temperature water vapor between adjacent two water fenders with certain intervals
Path.
Preferably, the utility model also includes precooling copper pipe, and the precooling copper pipe is horizontally disposed with and runs through the dash
Plate, one end of the precooling copper pipe are connected with the compressor, and the other end of the precooling copper pipe is connected with the condenser pipe.
Preferably, in being provided with the first ball valve on the precooling copper pipe；In described export the second ball valve is provided with end pipe.
By said structure design, in evaporating condensation type multi-connected machine provided by the utility model, set in outdoor unit
There are circulating water pool and shower, the connection between circulating water pool and shower is realized by water pump, spray is provided with shower
Head, cooling water can be sprayed by spray head, so as to realize the cooling by water to condenser pipe.Using the side of cooling by water
Case, for traditional air cooling, the utility model outdoor unit is not influenceed by environment temperature for it, condenser pipe operating efficiency
Height, so as to reach the purpose that can improve refrigeration system refrigeration, additionally it is possible to reduce the operation energy consumption of refrigeration system.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
Wherein：
Fig. 1 is the structural representation of evaporating condensation type multi-connected machine in the embodiment of the utility model one.
Description of reference numerals：
Evaporator 1, expansion valve 2, fluid reservoir 3, compressor 4, backflow end pipe 5, unit casing 6, exhaust outlet 7, circulating water pool
8th, shower 9, spray head 10, water pump 11, condenser pipe 12, output end pipe 13, air feed shutter 14, axial flow blower 15, gas-liquid separation
Device 16, ball-cock assembly fluid infusion component 17, water fender 18, precooling copper pipe 19, the first ball valve 20, the second ball valve 21.
Embodiment
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.Each example passes through the utility model
The mode of explanation provide and unrestricted the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case of with new scope or spirit, it can be modified in the utility model and modification.For example, it is illustrated or described as one
The feature of a part for individual embodiment can be used for another embodiment, to produce another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of appended claims and its equivalent.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship,
It is for only for ease of description the utility model rather than requires that the utility model must be with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.The term " connected " that is used in the utility model, " connection " should be interpreted broadly,
For example, it may be it is fixedly connected or is detachably connected；Can be joined directly together, can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1 is refer to, Fig. 1 is the structural representation of evaporating condensation type multi-connected machine in the embodiment of the utility model one.
The utility model provides a kind of evaporating condensation type multi-connected machine, should in an embodiment of the present utility model
Multi-connected machine includes indoor units, outdoor unit and compressor set.Wherein：
Indoor units include evaporator 1 and expansion valve 2, evaporator 1 can by condensation " liquid " body of low temperature by with
Extraneous air carries out heat exchange, and condensation " liquid " body " gas " changes heat absorption, and outside air temperature reduces, so as to realize refrigeration.Expansion
Valve 2 can make the liquid refrigerant of medium temperature high pressure turn into the damp steam of low-temp low-pressure by throttling action, and then refrigerant is steaming
Heat, which is absorbed, in hair device 1 reaches refrigeration.Expansion valve 2 is connected with evaporator 1, can make up a refrigeration unit, i.e., indoor
Unit, indoor units are installed to in colod-application family room, can be to providing refrigerant service with colod-application family.
Compressor set is used to be compressed refrigerant operation, while the flowing also to refrigerant provides driving force.Compression
Low-pressure gas can be promoted to gases at high pressure by unit, and gases at high pressure become liquid refrigerant by the radiating of condenser pipe 12 afterwards.
Specifically, compressor set includes fluid reservoir 3 and the compressor 4 being connected with fluid reservoir 3, and fluid reservoir 3 is connected with for freezing
The backflow end pipe 5 that agent flows back from indoor units.
Outdoor unit is used for the radiating condensation for realizing higher pressure refrigerant gas, and outdoor unit includes unit casing 6, in order to
The structural strength of unit casing 6 is improved, unit casing 6 is preferentially welded using stainless steel plate in the utility model.Outside unit
Shell 6 is designed using rectangular parallelepiped structure, and in a state of use, unit casing 6 is vertically arranged in roof or other firm platforms
On.Exhaust outlet 7 is offered in the top of unit casing 6, the bottom of unit casing 6 is provided with circulating water pool 8, circulating water pool 8
For loading cooling circulating water.In order to improve the anticorrosive property of circulating water pool 8, circulating water pool 8 can adopt it is made of plastic, such as
Using PET either PC plastic.Circulating water pool 8 uses open-top structure design, in the vertical direction, circulating water pool
8 open top is relative with exhaust outlet 7.Shower 9 is provided with unit casing 6 and positioned at the downside of exhaust outlet 7, is sprayed
Pipe 9 is arranged in unit casing 6 by support, and shower 9 can use stainless steel tube, can also use PVC plastic pipe.In spray
It is provided with spray head 10 in shower pipe 9, the mode that spray head 10 is connected through a screw thread is arranged on shower 9, and spray head 10 is along spray
The length direction of shower pipe 9 is set at equal intervals, so can uniformly spray cooling water by spray head 10.In the outer of unit casing 6
Portion is provided with water pump 11, and water pump 11 includes water inlet and delivery port, and water inlet connects with circulating water pool 8, delivery port and spray
Shower pipe 9 is docked, from spray head 10 towards circulating water pool 8 formed with spraying cooling water route.
Based on said structure design, cooling water is mounted with circulating water pool 8, starts water pump 11 by water pump 11 by recirculated water
Cooling water pump in pond 8 is delivered in shower 9, and cooling water is sprayed downwards by spray head 10 afterwards, what cooling water sprayed downwards
During its pass through path be spraying cooling water route (virtual route).
From the foregoing, unit casing 6 is cuboid housing structure in the utility model, shower 9 is arranged on outside unit
In shell 6, the axis of shower 9 is parallel with a side of unit casing 6, shower 9 be provided with it is multiple, multiple showers 9 along hang down
Directly in having certain intervals ground spread configuration on the direction of its axis between each other, preferably equally spaced spread configuration, so
Multiple showers 9 and spray head 10, which can just form one, spraying cooling water route that occupy certain space, three-dimensional.
In being provided with condenser pipe 12 in spraying cooling water route, condenser pipe 12 is copper pipe structure, one end of condenser pipe 12 and pressure
Contracting machine 4 connects, and the other end of condenser pipe 12 is connected with the output end pipe 13 of refrigerant output.Condenser pipe 12 is arranged on spray drop
In warm water road, such cooling water can be just sprayed onto on condenser pipe 12, by heat exchange action cooling water absorption condensation pipe 12
Heat, so as to reach to condenser pipe 12 cool down purpose.
Indoors in unit, expansion valve 2 docks with output end pipe 13, and evaporator 1 docks with backflow end pipe 5；Indoor units
Multiple, whole indoor units are provided with to be arranged in parallel.
By said structure design, in evaporating condensation type multi-connected machine provided by the utility model, it has following structure
Feature：1st, circulating water pool 8 and shower 9 are provided with outdoor unit, by water pump 11 realize circulating water pool 8 and shower 9 it
Between connection, be provided with spray head 10 on shower 9, cooling water can be sprayed by spray head 10, so as to realize to cold
The cooling by water of solidifying pipe 12, using the scheme of cooling by water, it is for traditional air cooling, the utility model outdoor unit
Do not influenceed by environment temperature, cooling by water efficiency high, it is possible to increase the refrigeration of refrigeration system, reduce the fortune of refrigeration system
Row energy consumption；2nd, the utility model indoor units are installed between compressor set and outdoor unit using parallel way, are forming this
In the pipe-line system of utility model, the refrigerant supply pressure of each indoor units is identical, it is ensured that each with the system at colod-application family
Cryogen quantity delivered, so as to ensure each can so to improve the reliability that the utility model uses with the refrigeration at colod-application family
And the stability of system operation.
In order to further improve the radiating efficiency of condenser pipe 12, the utility model is in the technical scheme based on cooling by water
Air-cooled cooling is additionally arranged again：Air inlet is offered in the middle part of unit casing 6, in being provided with air feed shutter 14 on air inlet；Row
Axial flow blower 15 is provided with air port 7.Being provided with air feed shutter 14 can avoid introduced contaminants from entering in unit casing 6, can
To improve the stability of system operation.Axial flow blower 15 is then used for the velocity of liquid assets for accelerating the internal gas flow of unit casing 6, improves wind
Cold effect but.
For refrigerant gas in cooling or pressure process, a part of condensable gas component can form droplet with gas one
Flowing is played, can so cause operational noise of system to increase, while is also easy to cause the damage of other equipment, reduces system operation
Stability.In order to realize gas-liquid separation, the utility model is provided with gas-liquid separator 16 between fluid reservoir 3 and compressor 4.Gas
Liquid/gas separator 16 is arranged on the entrance of compressor 4, the separation for solution-air.The effect of gas-liquid separator 16 is exactly that processing contains
The gas of a small amount of lime set, realize lime set recovery or gas phase purifying.
From the foregoing, the mode of cooling by water is employed for the utility model of condenser pipe 12, the surface temperature of condenser pipe 12
Degree is higher, and cooling water is vaporized with the Contact part of condenser pipe 12, and vapor is discharged by exhaust outlet, such circulating water pool 8
The water of interior cooling water will be reduced.In order to carry out automatic liquid supply to circulating water pool 8, pushed up in circulating water pool 8 close to it
The position at portion edge is provided with ball-cock assembly fluid infusion component 17, is connected by ball-cock assembly fluid infusion component 17 with external supply equipment.Outside
It can be water tower to put supply equipment, or the tap of municipal tap water water system end installation.
Specifically, expansion valve 2 is electric expansion valve.Electric expansion valve is the feed flow according to pre-set programs regulation evaporator 1
Amount, because belonging to electronic type shaping modes, therefore referred to as electric expansion valve, it provides condition for the intelligentized control method of refrigeration system.
In the utility model, condenser pipe 12 on vertical direction into roundabout coiled structure.Condenser pipe 12 is using roundabout
Coil arrangement designs, and it can be effectively increased the contact surface between the cooling water of condenser pipe 12 and spray in limited space
Product, it can so accelerate the cooling effectiveness of condenser pipe 12.
In order to reduce the number of dropouts of cooling water evaporation, the utility model additionally provides water fender 18, and water fender 18 can be adopted
With stainless steel plate structure design, PVC plastic harden structure can also be used to design.
Water fender 18 be arranged at the lower section of exhaust outlet 7 and positioned at shower 9 upside, water fender 18 be provided with it is multiple, entirely
The water fender 18 in portion is between horizontally spaced spread configuration, adjacent two water fenders 18 formed with being steamed for high-temperature water
The dash path that vapour passes through.When water vapour is by dash path, water clusters hit the rear portion of water fender 18 and condense upon dash
On plate 18, a part is shot down by water fender 18, and a remainder part overflows unit casing 6, and cohesion is loaded on water fender 18
Water clusters and fallen water clusters can be come back in circulating water pool 8, so can effectively reduce cooling water
Consumption.
In order to improve the radiating efficiency of condenser pipe 12, while high temperature condenser pipe 12 is avoided to spray low-temperature cooling water due to temperature
Cataclysm and caused by bodies splittable the problem of, the utility model provides precooling copper pipe 19, and precooling copper pipe 19 is horizontally disposed and passes through
Water fender 18 is worn, one end of precooling copper pipe 19 is connected with compressor 4, and the other end of precooling copper pipe 19 is connected with condenser pipe 12.It is logical
Cross precooling copper pipe 19 and the temperature reduction that pretreatment cooling causes refrigerant is carried out to high temperature refrigerant, refrigerant enters back into afterwards
Secondary cooling is carried out in condenser pipe 12, so by the way of cooling down twice, can effectively reduce the surface temperature of pipe, it was both
Radiating efficiency can be improved, can solve the problem that the problem of pipe ftractures again.
This patent introduces a kind of evaporating condensation type multi-connected machine, and the refrigerant gas of HTHP exports from compressor 4 to flow out
(as steam-water separation part, water clusters are enabled to condense into water droplet drippage, so as to reduce cooling water into water fender 18
Consumption), for the centre of water fender 18 through there is precooling copper pipe 19, precooling copper pipe 19 also serves as condenser pipe, and refrigerant gas passes through here
Enter the coil pipe (condenser pipe 12) of bottom after preliminary cooling, the top of coil pipe is provided with several spray heads 10, and unit bottom is provided with
Water pump 11, the water in circulating water pool 8 is pumped to spray head 10, cooling water is equably sprayed to by spray head 10 by condensation
The surface of pipe 12, the evaporation of phase transformation at once, takes away in refrigerant by evaporation latent heat after water contacts with the surface of the condenser pipe 12 of high temperature
Heat, refrigerant is changed into liquid from gas and realize condensation, be provided with axial flow blower 15 at the top of unit, sucked from air feed shutter 14
Air, the water countercurrent flow that air sprays with spray head 10, beyond unit outside hot and humid gas discharge chamber.Refrigerant liquid
Body flow to each indoor units bifurcation through pipeline, and each evaporator is entered after the reducing pressure by regulating flow of expansion valve 2 of each indoor units import
1, the heat phase transformation evaporation of room air is absorbed in evaporator 1, realizes the cooling to each air-conditioned room.Refrigerant gas is through storage
Compressor 4 is flowed back to after flow container 3 and gas-liquid separator 16 again and enters subsequent cycle.Ball-cock assembly fluid infusion component is provided with circulating water pool 8
17, the water of supplement evaporation in time.
In an embodiment of the present utility model, in being provided with the first ball valve 20 on precooling copper pipe 19；In output end
The second ball valve 21 is provided with pipe 13.On the circulation loop of refrigerant, the utility model is provided with two ball valve (the first ball valves
20 and second ball valve 21), it can thoroughly block the circulation loop of refrigerant, improve controllability of the present utility model.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for the skill of this area
For art personnel, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model, made
Any modification, equivalent substitution and improvements etc., should be included within the scope of protection of the utility model.
Claims (9)
1. a kind of evaporating condensation type multi-connected machine, include be made up of evaporator (1) and expansion valve (2) indoor units, for pair
Refrigerant provides the compressor set of operation power and the outdoor unit for being condensed to refrigerant, it is characterised in that
The compressor set includes fluid reservoir (3) and connected with the tank connected compressor of the liquid storage (4), the fluid reservoir
There is the backflow end pipe (5) for refrigerant backflow；
The outdoor unit includes unit casing (6), exhaust outlet (7) is offered at the top of the unit casing, in described
The bottom of unit casing is provided with circulating water pool (8), is provided with the unit casing and on the downside of the exhaust outlet
Shower (9), in being provided with spray head (10) on the shower, the outside of the unit casing is provided with water pump (11),
The water pump includes water inlet and delivery port, and the water inlet connects with the circulating water pool, the delivery port with it is described
Shower docks, from the spray head towards the circulating water pool formed with spraying cooling water route, in the spraying cooling water route
Condenser pipe (12) is inside provided with, one end of the condenser pipe is connected with the compressor, and the other end of the condenser pipe is connected with
Output end pipe (13) for refrigerant output；
In the indoor units, the expansion valve docks with the output end pipe, the evaporator and the backflow end pipe pair
Connect；
The indoor units are provided with multiple, whole indoor units and are arranged in parallel.
2. evaporating condensation type multi-connected machine according to claim 1, it is characterised in that
Air inlet is offered in the middle part of the unit casing, in being provided with air feed shutter (14) on the air inlet；
In being provided with axial flow blower (15) on the exhaust outlet.
3. evaporating condensation type multi-connected machine according to claim 1, it is characterised in that
Gas-liquid separator (16) is provided between the fluid reservoir and the compressor.
4. evaporating condensation type multi-connected machine according to claim 1, it is characterised in that
The position of its top edge is provided with ball-cock assembly fluid infusion component (17) in the circulating water pool, passes through the ball-cock assembly
Fluid infusion component is connected with external supply equipment.
5. evaporating condensation type multi-connected machine according to claim 1, it is characterised in that
The expansion valve is electric expansion valve.
6. evaporating condensation type multi-connected machine according to claim 1, it is characterised in that
The condenser pipe on vertical direction into roundabout coiled structure.
7. the evaporating condensation type multi-connected machine according to any one of claim 1 to 6, it is characterised in that
Also include water fender (18), the water fender is arranged at the lower section of the exhaust outlet and positioned at the upper of the shower
Side, the water fender are provided with multiple, whole water fenders and arranged in having certain intervals in horizontal direction between each other
Row are set, formed with the dash path passed through for high-temperature water vapor between adjacent two water fenders.
8. evaporating condensation type multi-connected machine according to claim 7, it is characterised in that
Also include precooling copper pipe (19), the precooling copper pipe is horizontally disposed with and runs through the water fender, the precooling copper pipe
One end is connected with the compressor, and the other end of the precooling copper pipe is connected with the condenser pipe.
9. evaporating condensation type multi-connected machine according to claim 8, it is characterised in that
In being provided with the first ball valve (20) on the precooling copper pipe；
In described export the second ball valve (21) is provided with end pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720864324.9U CN207162746U (en) | 2017-07-17 | 2017-07-17 | Evaporating condensation type multi-connected machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720864324.9U CN207162746U (en) | 2017-07-17 | 2017-07-17 | Evaporating condensation type multi-connected machine |
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| Publication Number | Publication Date |
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| CN207162746U true CN207162746U (en) | 2018-03-30 |
Family
ID=61712962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720864324.9U Active CN207162746U (en) | 2017-07-17 | 2017-07-17 | Evaporating condensation type multi-connected machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237644A (en) * | 2018-10-16 | 2019-01-18 | 珠海格力电器股份有限公司 | Heat pump unit and control method thereof |
| CN110215807A (en) * | 2019-07-09 | 2019-09-10 | 江苏维尔思环境工程股份有限公司 | A kind of white condenser that disappears for flue gas high-efficiency condensation |
| CN110274313A (en) * | 2019-06-28 | 2019-09-24 | 彭从文 | The outer machine of liquid-cooled air conditioner |
-
2017
- 2017-07-17 CN CN201720864324.9U patent/CN207162746U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237644A (en) * | 2018-10-16 | 2019-01-18 | 珠海格力电器股份有限公司 | Heat pump unit and control method thereof |
| CN109237644B (en) * | 2018-10-16 | 2023-09-05 | 珠海格力电器股份有限公司 | Heat pump unit and control method thereof |
| CN110274313A (en) * | 2019-06-28 | 2019-09-24 | 彭从文 | The outer machine of liquid-cooled air conditioner |
| CN110215807A (en) * | 2019-07-09 | 2019-09-10 | 江苏维尔思环境工程股份有限公司 | A kind of white condenser that disappears for flue gas high-efficiency condensation |
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