CN209445531U - Air injection enthalpy-increasing air-conditioning equipment - Google Patents
Air injection enthalpy-increasing air-conditioning equipment Download PDFInfo
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- CN209445531U CN209445531U CN201821799917.2U CN201821799917U CN209445531U CN 209445531 U CN209445531 U CN 209445531U CN 201821799917 U CN201821799917 U CN 201821799917U CN 209445531 U CN209445531 U CN 209445531U
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- increasing
- injection enthalpy
- air injection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model relates to a kind of air injection enthalpy-increasing air-conditioning equipments, including air injection enthalpy-increasing compressor, reversal valve, air-cooled condenser, evaporative condenser, economizer, main road electric expansion valve, indoor heat exchanger and gas-liquid separator, connection is connected with the first port of reversal valve in the exhaust outlet of air injection enthalpy-increasing compressor.Connection is connected with the first end of air-cooled condenser for the second port of reversal valve, and connection is connected with the first port of evaporative condenser in the second port of air-cooled condenser.Connection is connected with the first port of economizer for the second port of evaporative condenser, and connection is connected with the first port of main road electric expansion valve in the second port of economizer.Wherein, the first port of indoor heat exchanger or/and the second port of indoor heat exchanger are connected with shut-off valve.The utility model air injection enthalpy-increasing air-conditioning equipment has the advantages of can be improved cooling efficiency, good refrigeration effect.
Description
Technical field
The utility model relates to air-conditioning technical fields, and in particular, to a kind of air injection enthalpy-increasing air-conditioning equipment.
Background technique
Air conditioner as a kind of household or the adjustment equipment of commercial style air humidity and temperature, become increasingly popular using
In various families, industry and commercial field, with the continuous promotion of national economy and people's income level, people are in production, life
Living and amusement etc. demand of the field to environmental degree of comfort is increasing, and the market of air-conditioning equipment and application prospect will be more wide
It is wealthy.
Existing air-conditioning equipment generally includes compressor, evaporator, condenser and throttle valve, and compressor is sucked from evaporator
The working substance steam of lower pressure out is sent into condenser after being allowed to pressure rise, it is higher to be condensed into pressure within the condenser
Liquid after becoming the lower liquid of pressure, is sent into evaporator, heat absorption is evaporated and become in evaporator after the throttle throttling
The lower steam of pressure, to complete refrigeration cycle.However, when existing air-conditioning equipment is freezed under the high temperature conditions, it is cold
The temperature in source is excessively high, and refrigerating efficiency is low.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art and deficiencies, and providing one kind can be improved cooling efficiency
Air injection enthalpy-increasing air-conditioning equipment.
In order to achieve the above object, the utility model provides a kind of air injection enthalpy-increasing air-conditioning equipment, the air injection enthalpy-increasing air-conditioning
Equipment includes: air injection enthalpy-increasing compressor, reversal valve, air-cooled condenser, evaporative condenser, economizer, main road electric expansion valve,
The exhaust outlet of indoor heat exchanger and gas-liquid separator, the air injection enthalpy-increasing compressor is connected with the first port of the reversal valve
Connection；The second port of the reversal valve is connected connection with the first end of the air-cooled condenser, and the of the air-cooled condenser
Connection is connected with the first port of the evaporative condenser in Two-port netwerk；The second port of the evaporative condenser and the economizer
First port connection is connected, company is connected with the first port of the main road electric expansion valve in the second port of the economizer
It connects；Connection, the interior are connected with the first port of the indoor heat exchanger for the second port of the main road electric expansion valve
Connection, the gas-liquid separator and the reversal valve are connected with the third port of the reversal valve for the second port of heat exchanger
The conducting connection of the air entry of 4th port and the air injection enthalpy-increasing compressor；Wherein, the first port of the indoor heat exchanger
Or/and the second port of the indoor heat exchanger is connected with shut-off valve.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes water distributor, wet curtain and water pump, the water distributor and the water
Pump conducting connection with by the water pump be pumped through come water be delivered in the wet curtain, the wet curtain be located at the evaporative condenser and
Between the water distributor.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes water tank, and connection is connected with the water pump in the water tank.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes the heating circuit positioned at air-cooled condenser bottom, described to add
The first port of hot loop is connected connection with the first port of the indoor heat exchanger, the second port of the heating circuit with
Connection is connected in the first port of the evaporative condenser；The second port of the main road electric expansion valve also with the air-cooled condensation
Connection is connected in the second port of device.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes bypass solenoid valve and bypass electric expansion valve, the bypass
The first port of solenoid valve is connected connection with the second port of the evaporative condenser, the second port of the bypass solenoid valve with
Connection is connected in the first port of the bypass electric expansion valve；The second port of the bypass electric expansion valve and the economizer
Third port be connected connection, connection is connected with the increasing enthalpy air entry of air injection enthalpy-increasing compressor in the 4th port of the economizer.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes defrosting solenoid valve, the first port of the defrosting solenoid valve
Connection, the second port of the defrosting solenoid valve and the air-cooled condenser are connected with the exhaust outlet of the air injection enthalpy-increasing compressor
Second port be connected connection.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes filter, and the filter is located at the economizer and institute
It states on the circuit between main road electric expansion valve, company is connected with the second port of the economizer in the first port of the filter
It connects, connection is connected with the first port of the main road electric expansion valve in the second port of the filter.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes charging valve, and the charging valve is located at the economizer and institute
It states on the circuit between filter.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes condensation fan, and the condensation fan is located at described air-cooled cold
Condenser side, for cooling down to the air-cooled condenser.
Preferably, the air injection enthalpy-increasing air-conditioning equipment further includes high-voltage switch gear and low tension switch, and the high-voltage switch gear is located at
On circuit between the exhaust outlet of the air injection enthalpy-increasing compressor and the first port of the reversal valve；The low tension switch is located at
On circuit between the air entry and the gas-liquid separator of the air injection enthalpy-increasing compressor.
The utility model compared with the existing technology, has the advantages that the utility model air conditioner passes through the spray
Gas enthalpy-increasing compressor, reversal valve, air-cooled condenser, evaporative condenser, economizer, main road electric expansion valve, indoor heat exchanger,
Cooperation between gas-liquid separator and shut-off valve, the high-temperature high-pressure refrigerant through air injection enthalpy-increasing compressor compresses is by jet when refrigeration
The exhaust outlet of enthalpy-increasing compressor flows into reversal valve, enters air-cooled condenser along pipeline from the second port of reversal valve, air-cooled cold
Condenser carries out condensation cooling, it is air-cooled after refrigerant from air-cooled condenser second port along pipeline flow into evaporative condenser carry out it is cold
But, the refrigerant for already belonging to supercooled state flows into economizer along main road, throttles subsequently into main road electric expansion valve, throttles
Liquid refrigerant afterwards is transported to interior and changes exchanger, and refrigerant is evaporated to gaseous state while reducing indoor medium temperature, from interior
The gaseous refrigerant that heat exchanger is evaporated returns to air injection enthalpy-increasing compressor after passing through gas-liquid separator through reversal valve.Cause
This, can be improved cooling efficiency, good refrigeration effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model air injection enthalpy-increasing air-conditioning equipment preferred embodiment.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the reality of the utility model
It is without being limited thereto to apply mode.
As shown in Figure 1, the utility model provides a kind of air injection enthalpy-increasing air-conditioning equipment, the air injection enthalpy-increasing air-conditioning equipment includes
Have: air injection enthalpy-increasing compressor 100, reversal valve 101, air-cooled condenser 102, evaporative condenser 103, economizer 104, main road electronics
Expansion valve 105, indoor heat exchanger 106 and gas-liquid separator 107, the exhaust outlet P of the air injection enthalpy-increasing compressor 100 with it is described
Connection is connected in the first port I of reversal valve 101.The of the second port C of the reversal valve 101 and the air-cooled condenser 102
Single port A conducting connection, the first port A1 of the second port B of the air-cooled condenser 102 and the evaporative condenser 103
Conducting connection.Connection, institute is connected with the first port A2 of the economizer 104 in the second port B1 of the evaporative condenser 103
Connection is connected with the first port of the main road electric expansion valve 105 in the second port B2 for stating economizer 104.The main road electronics
Connection, the indoor heat exchanger is connected with the first port of the indoor heat exchanger 106 in the second port of expansion valve 105
Connection, the gas-liquid separator 107 and the reversal valve are connected with the third port H of the reversal valve 101 for 106 second port
Connection is connected in 101 the 4th port E and the air entry of the air injection enthalpy-increasing compressor 100.
Wherein, the first port of the indoor heat exchanger 106 is connected with the second port of the indoor heat exchanger 106
There is shut-off valve T.It is understood that in one embodiment, can only in the first port of the indoor heat exchanger 106 or
The second port of the indoor heat exchanger 106 is connected with shut-off valve T.In the present embodiment, the reversal valve 101 is four-way
Reversal valve.The economizer 104 absorbs heat for exchanging heat, by refrigerant itself throttling and evaporation to make another part freeze
Agent is subcooled.
In the utility model preferred embodiment, the air injection enthalpy-increasing air-conditioning equipment further includes water distributor 108, wet
Curtain 109, water pump 110 and water tank 111, the water distributor 108 is with the water pump 110 conducting connection the water pump 110 to be pumped through
The water come is delivered in the wet curtain 109, the wet curtain 109 be located at the evaporative condenser 103 and the water distributor 108 it
Between.It is understood that in one embodiment, may not need the setting water tank 111, the water pump 110 can be directly from family
Extracardiac pumping.
Water pump 110 is opened in refrigeration, the cooling water of 111 the inside of water tank is transported to water distributor 108, equably spray arrives
Then 109 surface of wet curtain carries out the refrigerant in evaporative condenser 103 secondary cold by wet curtain 109 to cooling water temperature
But cool down, refrigerant can be greatly improved effectively to the cooling refrigerant progress secondary cooling of air-cooled condenser 102 is had already passed through
Degree of supercooling refrigeration input power is reduced, thus energy saving to significantly promote refrigerating capacity.
In the utility model preferred embodiment, the air injection enthalpy-increasing air-conditioning equipment further includes being located at air-cooled condenser
The heating circuit 112 of 102 bottoms, the first port of the first port of the heating circuit 112 and the indoor heat exchanger 106
Connection is connected with the first port A1 of the evaporative condenser 103 in conducting connection, the second port of the heating circuit 112.Institute
Also connection is connected with the second port B of the air-cooled condenser 102 in the second port for stating main road electric expansion valve 105.By setting
The heating circuit 112 is set, thus the utility model can not only freeze, but also can heat, and structure is compacter.
In the utility model preferred embodiment, the air injection enthalpy-increasing air-conditioning equipment further includes bypass solenoid valve 113
And bypass electric expansion valve 114, the second port of the first port of the bypass solenoid valve 113 and the evaporative condenser 103
Company is connected with the first port of the bypass electric expansion valve 114 in B1 conducting connection, the second port of the bypass solenoid valve 113
It connects.Connection, the economy is connected with the third port of the economizer 104 in the second port of the bypass electric expansion valve 114
Connection is connected with the increasing enthalpy air entry of air injection enthalpy-increasing compressor 100 in 4th port of device 104.In the present embodiment, the economy
Connection is connected with the increasing enthalpy air entry of air injection enthalpy-increasing compressor 100 by the circuit EVI check valve 115 in 4th port of device 104.
By the way that the bypass solenoid valve 113 and bypass electric expansion valve 114 is arranged, thus, it is heated in ultralow environment temperature
When operation, a medium temperature subsidiary loop is separated from the second port of evaporative condenser 103 by bypass solenoid valve 113, works as exhaust
Temperature opens bypass solenoid valve 113 when being lower than setting value, bypass refrigerant is throttled by bypass electric expansion valve 114, and is being passed through
The interior heat absorption heating of the device 104 that helps, compressor increasing enthalpy air-breathing is flowed back to through the circuit EVI check valve 115 in the 4th port along economizer 104
Mouthful, reach and increase compressor air suction amount and exhaust enthalpy, realizes and heat at a temperature of ultralow environment, thus it is practical new that this has can be improved
The application scenarios of type.
In the utility model preferred embodiment, the air injection enthalpy-increasing air-conditioning equipment further includes defrosting solenoid valve 116
And condensation fan 117, the first port of the defrosting solenoid valve 116 are connected with the exhaust outlet P of the air injection enthalpy-increasing compressor 100
The second port of connection, the defrosting solenoid valve 116 is connect with the second port B of the air-cooled condenser 102.The condensating wind
Machine 117 is located at 102 side of air-cooled condenser, for cooling down to the air-cooled condenser 102.It is understood that one
In kind embodiment, condensation fan 117 can need to be set, it can be directly by other heat dissipation equipments or natural wind to the air-cooled condenser
102 coolings.
By the way that the defrosting solenoid valve 116 is arranged, thus in heating according to setting defrosting temperature opening after, jet is increased
The high temperature refrigerant of 100 gas exhaust piping of enthalpy compressor carries out branch bypass, and the high temperature refrigerant of bypass enters air-cooled condenser 102
Second port B carry out defrost defrosting, stop condensation fan 117 at this time, because main road still operates normally, indoor heat exchanger 106 is still
In heating condition, the loss of part heating capacity caused by bypassing can be by adjusting the air quantity or water flow of indoor heat exchanger 106
Compensate adjusting.The avoidable traditional Defrost mode of this setting stops by switching four-way valve direction bring heating gap and energy
Loss.
In the utility model preferred embodiment, the air injection enthalpy-increasing air-conditioning equipment further includes filter 118, institute
Filter 118 is stated on the circuit between the economizer 104 and the main road electric expansion valve 105, the filter 118
First port be connected connection with the second port B2 of the economizer 104, the second port of the filter 118 and the master
Connection is connected in the first port of road electric expansion valve 105.Impurity and dirt are disposed by the filtering of filter 118, guarantees refrigeration
Agent is smoothly circulated, and reason blocking does not influence to work normally.
In the utility model preferred embodiment, the air injection enthalpy-increasing air-conditioning equipment further includes charging valve 119, institute
Charging valve 119 is stated on the circuit between the economizer 104 and the filter 118.By the way that the charging valve is arranged
119, thus refrigerant relatively is filled convenient for user, to improve the service life of air injection enthalpy-increasing air-conditioning equipment.
In the utility model preferred embodiment, the air injection enthalpy-increasing air-conditioning equipment further include high-voltage switch gear 120 and
Low tension switch 121, the high-voltage switch gear 120 are located at the exhaust outlet P and the reversal valve 101 of the air injection enthalpy-increasing compressor 100
First port I between circuit on；The low tension switch 121 is located at air entry and the institute of the air injection enthalpy-increasing compressor 100
It states on the circuit between gas-liquid separator 107.When system pressure is more than specified value, high-voltage switch gear 120 is opened, will be in system
A part of gas is discharged into atmosphere, so that system pressure is no more than permissible value, to guarantee that because of hypertonia accident does not occur for system.
By the way that the low tension switch 121 is arranged, thus air injection enthalpy-increasing compressor 100 is controlled when not having refrigerant (refrigerant) and is closed, with
Protect air injection enthalpy-increasing compressor 100.
The working principle of the utility model air conditioner is as follows:
Refrigeration cycle: the high-temperature high-pressure refrigerant compressed through air injection enthalpy-increasing compressor 100 is by air injection enthalpy-increasing compressor 100
Exhaust outlet P flows into reversal valve 101, enters air-cooled condenser 102 along pipeline from the second port C of reversal valve 101, passes through condensating wind
Under the air blast cooling of machine 117, carry out condensation cooling in air-cooled condenser 102, it is air-cooled after refrigerant from air-cooled condenser 102
Two-port netwerk flows into evaporative condenser 103 along pipeline and is cooled down, in the circulation evaporative cooling drenched through the uniform spray head of water distributor 108
Under, the refrigerant for already belonging to supercooled state flows into economizer 104, throttles subsequently into main road electric expansion valve 105, throttles
Liquid refrigerant afterwards is transported to indoor heat exchanger 106 through shut-off valve T, and refrigerant is evaporated to gaseous state while reducing indoor medium
Temperature, the gaseous refrigerant being evaporated from indoor heat exchanger 106 return after passing through gas-liquid separator 107 through reversal valve 101
To air injection enthalpy-increasing compressor 100, a refrigeration cycle is completed.
Heating circulation: the high-temperature high-pressure refrigerant compressed through air injection enthalpy-increasing compressor 100 flows into reversal valve by exhaust outlet P
101,106 pairs of heat exchanger indoor media are entered the room along pipeline from the third port H of reversal valve 101 and carry out heat temperature raising, so
After flow through heating circuit 112, then flow into economizer 104 through evaporative condenser 103.The system of the second port outflow of economizer 104
Cryogen enters main road electric expansion valve 105 through filter 118, then enters air-cooled condensation from the second port B of air-cooled condenser 102
Device 102 after absorbing the heat in outdoor air by condensation fan 117, flows into commutation by the second port C of reversal valve 101
Valve 101, then be discharged from the 4th port E of reversal valve 101, then by returning to air injection enthalpy-increasing pressure after flowing through gas-liquid separator 107
Contracting machine 100 completes a heating circulation.
In conclusion the utility model air conditioner passes through the air injection enthalpy-increasing compressor 100, reversal valve 101, air-cooled condensation
Device 102, evaporative condenser 103, economizer 104, main road electric expansion valve 105, indoor heat exchanger 106, gas-liquid separator 107
And the cooperation between shut-off valve T, the high-temperature high-pressure refrigerant compressed when refrigeration through air injection enthalpy-increasing compressor 100 is by air injection enthalpy-increasing pressure
The exhaust outlet P of contracting machine 100 flows into reversal valve 101, enters air-cooled condenser 102 along pipeline from the second port C of reversal valve 101,
Carry out condensation cooling in air-cooled condenser 102, it is air-cooled after refrigerant flow into and steam along pipeline from 102 second port of air-cooled condenser
The condenser 103 that feels cold is cooled down, and the refrigerant for already belonging to supercooled state flows into economizer 104 along main road, subsequently into main road electricity
Sub- expansion valve 105 throttles, and the liquid refrigerant after throttling is transported to interior and changes exchanger, and refrigerant is evaporated to gaseous state simultaneously
Indoor medium temperature is reduced, the gaseous refrigerant being evaporated from indoor heat exchanger 106 passes through gas-liquid through reversal valve 101
Air injection enthalpy-increasing compressor 100 is returned to after separator 107.Therefore, cooling efficiency, good refrigeration effect be can be improved.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles for not violating the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (8)
1. a kind of air injection enthalpy-increasing air-conditioning equipment, which is characterized in that the air injection enthalpy-increasing air-conditioning equipment includes: air injection enthalpy-increasing compression
Machine, reversal valve, air-cooled condenser, evaporative condenser, economizer, main road electric expansion valve, indoor heat exchanger and gas-liquid separation
Connection is connected with the first port of the reversal valve in the exhaust outlet of device, the air injection enthalpy-increasing compressor；The second of the reversal valve
Connection, the second port of the air-cooled condenser and the evaporative condenser are connected with the first end of the air-cooled condenser for port
First port be connected connection；Connection, institute are connected with the first port of the economizer for the second port of the evaporative condenser
Connection is connected with the first port of the main road electric expansion valve in the second port for stating economizer；The main road electric expansion valve
Second port is connected connection with the first port of the indoor heat exchanger, the second port of the indoor heat exchanger with it is described
Connection, the 4th port and the air injection enthalpy-increasing pressure of the gas-liquid separator and the reversal valve is connected in the third port of reversal valve
Connection is connected in the air entry of contracting machine；Wherein, the of the first port of the indoor heat exchanger or/and the indoor heat exchanger
Two-port netwerk is connected with shut-off valve；
The air injection enthalpy-increasing air-conditioning equipment further includes condensation fan, high-voltage switch gear and low tension switch, and the condensation fan is located at institute
Air-cooled condenser side is stated, for cooling down to the air-cooled condenser；The high-voltage switch gear is located at the air injection enthalpy-increasing compressor
Exhaust outlet and the reversal valve first port between circuit on；The low tension switch is located at the air injection enthalpy-increasing compressor
Air entry and the gas-liquid separator between circuit on.
2. air injection enthalpy-increasing air-conditioning equipment according to claim 1, which is characterized in that the air injection enthalpy-increasing air-conditioning equipment also wraps
Water distributor, wet curtain and water pump are included, connection is connected with the water pump and is delivered to so that the water pump is pumped through the water come for the water distributor
In the wet curtain, the wet curtain is between the evaporative condenser and the water distributor.
3. air injection enthalpy-increasing air-conditioning equipment according to claim 2, which is characterized in that the air injection enthalpy-increasing air-conditioning equipment also wraps
Water tank is included, connection is connected with the water pump in the water tank.
4. air injection enthalpy-increasing air-conditioning equipment according to any one of claims 1 to 3, which is characterized in that the air injection enthalpy-increasing is empty
Adjusting equipment further includes the heating circuit positioned at air-cooled condenser bottom, and the first port of the heating circuit and the Indoor Thermal are handed over
Connection is connected in the first port of parallel operation, and company is connected with the first port of the evaporative condenser in the second port of the heating circuit
It connects；Also connection is connected with the second port of the air-cooled condenser in the second port of the main road electric expansion valve.
5. air injection enthalpy-increasing air-conditioning equipment according to claim 4, which is characterized in that the air injection enthalpy-increasing air-conditioning equipment also wraps
Include bypass solenoid valve and bypass electric expansion valve, the first port of the bypass solenoid valve and the second end of the evaporative condenser
Connection is connected with the first port of the bypass electric expansion valve in mouth conducting connection, the second port of the bypass solenoid valve；Institute
It states the second port of bypass electric expansion valve and connection, the 4th port of the economizer is connected in the third port of the economizer
Connection is connected with the increasing enthalpy air entry of air injection enthalpy-increasing compressor.
6. air injection enthalpy-increasing air-conditioning equipment according to any one of claims 1 to 3, which is characterized in that the air injection enthalpy-increasing is empty
Adjusting equipment further includes defrosting solenoid valve, and the first port of the defrosting solenoid valve and the exhaust outlet of the air injection enthalpy-increasing compressor are led
Lead to and connect, connection is connected with the second port of the air-cooled condenser in the second port of the defrosting solenoid valve.
7. air injection enthalpy-increasing air-conditioning equipment according to any one of claims 1 to 3, which is characterized in that the air injection enthalpy-increasing is empty
Adjusting equipment further includes filter, and the filter is on the circuit between the economizer and the main road electric expansion valve,
The first port of the filter is connected connection with the second port of the economizer, the second port of the filter with it is described
Connection is connected in the first port of main road electric expansion valve.
8. air injection enthalpy-increasing air-conditioning equipment according to claim 7, which is characterized in that the air injection enthalpy-increasing air-conditioning equipment also wraps
Charging valve is included, the charging valve is on the circuit between the economizer and the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799917.2U CN209445531U (en) | 2018-11-02 | 2018-11-02 | Air injection enthalpy-increasing air-conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799917.2U CN209445531U (en) | 2018-11-02 | 2018-11-02 | Air injection enthalpy-increasing air-conditioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209445531U true CN209445531U (en) | 2019-09-27 |
Family
ID=68011007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821799917.2U Expired - Fee Related CN209445531U (en) | 2018-11-02 | 2018-11-02 | Air injection enthalpy-increasing air-conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209445531U (en) |
-
2018
- 2018-11-02 CN CN201821799917.2U patent/CN209445531U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20190927 Termination date: 20201102 |