CN113212102A - Air conditioning system and excavator - Google Patents
Air conditioning system and excavator Download PDFInfo
- Publication number
- CN113212102A CN113212102A CN202110643003.7A CN202110643003A CN113212102A CN 113212102 A CN113212102 A CN 113212102A CN 202110643003 A CN202110643003 A CN 202110643003A CN 113212102 A CN113212102 A CN 113212102A
- Authority
- CN
- China
- Prior art keywords
- heating
- conditioning system
- air conditioning
- temperature sensor
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000005057 refrigeration Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 abstract description 11
- 239000003507 refrigerant Substances 0.000 description 8
- 239000000110 cooling liquid Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
- B60H1/00428—Driving arrangements for parts of a vehicle air-conditioning electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00885—Controlling the flow of heating or cooling liquid, e.g. valves or pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a cooling and heating air conditioning system and an excavator, which comprise a heating module, a refrigerating module and an air blower which are connected with an air conditioner controller, wherein the heating module comprises a heating core body, a water tank, a water pump and a water heater which are sequentially connected and form a loop, the refrigerating module comprises a refrigerating core body, an electric compressor, a condenser and an expansion valve which are sequentially connected and form a loop, and the air blower can blow air around the heating/cooling core body. The invention has simple structure, convenient installation and high universality, can meet the requirement that hosts such as an excavator and the like can not provide heat source scene use, and has wide application range.
Description
Technical Field
The invention relates to a cooling and heating air conditioning system and an excavator, and belongs to the technical field of engineering machinery.
Background
With the improvement of living standard and the transformation of health concept, the requirements of customers on the excavator are continuously improved, besides performance indexes such as efficiency and oil consumption, higher requirements are provided for the operation comfort of the excavator by people, and the excavator air conditioner has the function of achieving a comfortable state of a human body by adjusting parameter indexes such as temperature, humidity, air speed, air conditioner cleanliness and the like in a vehicle.
The existing air conditioning system needs an engine and other external heat sources for heating, and can not work under the condition that a pure electric excavator, a remote control cabin and the like do not have external heat sources; the refrigeration is that the engine drives the compressor to work through the belt, and the mounted position of compressor is restricted by the engine, and is high to compressor installation accuracy requirement, and the compressor installation is changed difficultly, and the belt needs regular maintenance, adjusts the tensile force, and along with the development of new forms of energy electricelectric moves the excavator, long-range remote control excavator class of technologies, current air conditioning system can not satisfy the operation requirement, urgently needs to develop new changes in temperature air conditioning system.
In order to solve the problems, the invention provides a cooling and heating air conditioning system and an excavator.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a cooling and heating air conditioning system and an excavator, can meet the requirement that a host such as the excavator and the like cannot provide heat source scenes for use, and has wide application range.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention provides a cooling and heating air conditioning system, including a heating module, a cooling module, and an air blower connected to an air conditioning controller, where the heating module includes a heating core, a water tank, a water pump, and a water heater, which are sequentially connected to form a loop, and the cooling module includes a cooling core, an electric compressor, a condenser, and an expansion valve, which are sequentially connected to form a loop, and the air blower is capable of blowing air around the heating/cooling core.
As a preferred embodiment, the heating module further comprises a first three-way joint and a second three-way joint which are arranged between the heating core and the water pump, wherein a third interface of the first three-way joint is connected with a water inlet of the water tank, and a third interface of the second three-way joint is connected with a water outlet of the water tank.
As a preferred embodiment, the heating module further includes a first temperature sensor and a second temperature sensor, the first temperature sensor is disposed at the water inlet of the water heater, and the second temperature sensor is disposed at the water outlet of the water heater.
As a preferred embodiment, the refrigeration module is further provided with a pressure sensor, and the pressure sensor is arranged between the condenser and the expansion valve.
As a preferred embodiment, the refrigeration module is further provided with a third temperature sensor, and the third temperature sensor is arranged between the expansion valve and the refrigeration core.
As a preferred embodiment, the air conditioner further comprises an ambient temperature sensor connected with the air conditioner controller.
As a preferred embodiment, the refrigeration module is further provided with an electronic fan for accelerating heat exchange in the condenser.
In a preferred embodiment, a height difference is provided between the water tank and the water heater.
In a second aspect, the invention further provides an excavator, which comprises the cooling and heating air conditioning system.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a cooling and heating air conditioning system which comprises a heating module, a refrigerating module and an air blower, wherein the heating module, the refrigerating module and the air blower are connected with an air conditioner controller, the heating module comprises a heating core body, a water tank, a water pump and a water heater which are sequentially connected and form a loop, the refrigerating module comprises a refrigerating core body, an electric compressor, a condenser and an expansion valve which are sequentially connected and form a loop, and the air blower can blow out air around the heating/cooling core body. The invention has simple structure, convenient installation and high universality, can meet the requirement that hosts such as an excavator and the like can not provide heat source scene use, and has wide application range.
2. The invention provides an excavator, which comprises the cooling and heating air conditioning system, wherein an electric compressor is adopted as electric drive, is not limited by the installation of an engine, and has the characteristics of flexible arrangement, convenient installation and replacement and easy maintenance.
Drawings
Fig. 1 is a schematic diagram of an air conditioning system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an air conditioning system according to an embodiment of the present invention
In the figure: 1. a heating core body; 2. a first three-way joint; 3. a second three-way joint; 4. a water tank; 5. a water pump; 6. a first temperature sensor; 7. a water heater; 8. a second temperature sensor; 9. a refrigeration core; 10. an electric compressor; 11. a condenser; 12. an electronic fan; 13. a pressure sensor; 14. an expansion valve; 15. a third temperature sensor; 16. a blower; 17. an ambient temperature sensor; 18. an air conditioner controller.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The first embodiment is as follows:
the invention provides a cooling and heating air conditioning system, please refer to fig. 1 and fig. 2, which comprises a heating module, a refrigerating module and an air blower 16, wherein the heating module, the refrigerating module and the air blower 16 are connected with an air conditioning controller 18, the heating module comprises a heating core body 1, a water tank 4, a water pump 5 and a water heater 7, and the heating core body 1, the water tank 4, the water pump 5 and the water heater 7 are sequentially connected to form a loop.
In this embodiment, the heating module further includes a first three-way joint 2 and a second three-way joint 3, the first three-way joint 2 and the second three-way joint 3 are disposed between the heating core 1 and the water pump 5, a first interface of the first three-way joint 2 is connected with the heating core 1, a second interface of the first three-way joint 2 is connected with a first interface of the second three-way joint 3, and a third interface of the first three-way joint 2 is connected with a water inlet of the water tank 4. Correspondingly, the second interface of the second three-way joint 3 is connected with the water inlet of the water pump 5, and the third interface of the second three-way joint 3 is connected with the water outlet of the water tank 4.
When the heating module works, the cooling liquid enters the water heater 7 through the water pump 5 to be heated, the heated cooling liquid enters the warm air core body, and hot air heated by the heating core body 1 is blown out through the work of the air blower 16.
When the temperature detected by the first temperature sensor 6 for water inflow is lower than the set temperature, the water heater 7 starts to operate, and when the temperature detected by the second temperature sensor 8 reaches the set temperature, the cooling liquid enters the heating core 1 from the water heater 7, and at this time, the air blower 16 can blow out the hot air heated by the heating core 1 to increase the ambient temperature.
It should be noted that a height difference is provided between the water tank 4 and the water heater 7, that is, a certain height difference is required between the installation positions of the water tank 4 and the water heater 7. When the water circulation pressure is smaller than the pressure difference, the cooling liquid in the water tank 4 is supplemented into the heat circulation; when the pressure of the heat cycle is too large, the cooling liquid flows back to the water tank 4, so that the pressure of the heat cycle system is kept stable.
In order to facilitate understanding of the temperature of the water in the system, the heating module is further provided with a first temperature sensor 6 and a second temperature sensor 8, specifically, the first temperature sensor 6 is disposed at a water inlet of the water heater 7, and the second temperature sensor 8 is disposed at a water outlet of the water heater 7. The air conditioner controller 18 may control the overall operation of the heating module according to the temperatures of the first and second temperature sensors 6 and 8.
The refrigeration module includes refrigeration core 9, electric compressor 10, condenser 11 and expansion valve 14, refrigeration core 9, electric compressor 10, condenser 11 and expansion valve 14 connect gradually and form the return circuit, as a preferred embodiment, still be equipped with pressure sensor 13 on the refrigeration module, pressure sensor 13 locates between condenser 11 and the expansion valve 14 to make air conditioner controller 18 can monitor the pressure of refrigeration module, guarantee that system's pressure is stable.
The refrigeration module is also provided with an electronic fan 12 for accelerating heat exchange in the condenser 11, and optionally, the electronic fan 12 is integrated with the condenser 11, so that the space can be saved, and the installation is convenient.
It will be understood by those skilled in the art that the refrigerant core 9, the motor-driven compressor 10, the condenser 11 and the expansion valve 14 may be connected by refrigerant pipes. When the refrigeration module works, the electric compressor 10 operates to suck low-temperature low-pressure gaseous refrigerant and compress the gaseous refrigerant into high-temperature high-pressure gaseous refrigerant to enter the condenser 11, meanwhile, the electronic fan 12 is used for blowing air to the condenser 11 to accelerate heat exchange of the refrigerant in the condenser 11, so that the high-temperature high-pressure liquid refrigerant reaches the expansion valve 14, the pressure and the temperature are rapidly reduced after expansion, the refrigerant enters the refrigeration core 9 in a mist small droplet mode, and the cooled air around the refrigeration core 9 is blown out by the blower 16 to achieve the purpose of refrigeration.
Preferably, a third temperature sensor 15 is further disposed on the refrigeration module, and the third temperature sensor 15 is disposed between the expansion valve 14 and the refrigeration core 9 to ensure that the refrigeration temperature reaches a set value. The air conditioner controller 18 may control the overall operation of the cooling module according to the output temperature of the third temperature sensor 15 and the output pressure of the pressure sensor 13.
In this embodiment, the cooling and heating air conditioning system further includes an ambient temperature sensor 17 connected to the air conditioning controller 18, the ambient temperature sensor 17 is capable of monitoring an ambient temperature, and the air conditioning controller 18 controls the operation of the refrigeration module or the heating module based on the ambient temperature monitored by the ambient temperature sensor 17. A person skilled in the art can set a target temperature value on the air conditioner controller 18, and when the ambient temperature sensor 17 senses that the ambient temperature is lower than the target temperature value, the heating mode is started; when the ambient temperature sensor 17 senses that the ambient temperature is higher than the target temperature value, the cooling mode is turned on.
Example two:
the invention further provides an excavator, the cooling and heating air conditioning system is adopted, and specifically, the cooling and heating air conditioning system is arranged in the excavator.
The invention has the characteristics of simple structure, convenient installation, high universality, no restriction of engine installation, flexible arrangement, convenient installation and replacement and easy maintenance. The electric compressor 10 is used as electric drive, so that the requirement that a host machine such as an excavator and the like cannot provide heat source scene use can be met, and the application range is wide.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a cold warm air conditioning system which characterized in that, includes the module of heating, refrigeration module and the air-blower that is connected with air conditioner controller, the module of heating is including the heating core, water tank, water pump, the water heater that connect gradually and form the return circuit, the module of refrigerating is including the refrigeration core, electric compressor, condenser and the expansion valve that connect gradually and form the return circuit, the air-blower can blow out the air around the heating/cooling core.
2. The air conditioning system according to claim 1, wherein the heating module further comprises a first tee joint and a second tee joint arranged between the heating core and the water pump, wherein a third port of the first tee joint is connected with a water inlet of the water tank, and a third port of the second tee joint is connected with a water outlet of the water tank.
3. The air conditioning system as claimed in claim 1, wherein the heating module further comprises a first temperature sensor and a second temperature sensor, the first temperature sensor is disposed at a water inlet of the water heater, and the second temperature sensor is disposed at a water outlet of the water heater.
4. The air conditioning system as claimed in claim 1, wherein the cooling module further comprises a pressure sensor disposed between the condenser and the expansion valve.
5. The air conditioning system as claimed in claim 1, wherein a third temperature sensor is further provided on the refrigeration module, and the third temperature sensor is provided between the expansion valve and the refrigeration core.
6. The air conditioning system as claimed in claim 1, further comprising an ambient temperature sensor connected to the air conditioner controller.
7. The air conditioning system as claimed in claim 1, wherein the cooling module further comprises an electric fan for accelerating heat exchange in the condenser.
8. A cooling and heating air conditioning system according to claim 1, characterized in that a height difference is provided between the water tank and the water heater.
9. An excavator comprising the cooling and heating air conditioning system according to claim 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110643003.7A CN113212102A (en) | 2021-06-09 | 2021-06-09 | Air conditioning system and excavator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110643003.7A CN113212102A (en) | 2021-06-09 | 2021-06-09 | Air conditioning system and excavator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113212102A true CN113212102A (en) | 2021-08-06 |
Family
ID=77083410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110643003.7A Pending CN113212102A (en) | 2021-06-09 | 2021-06-09 | Air conditioning system and excavator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113212102A (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104121630A (en) * | 2013-11-17 | 2014-10-29 | 柳州易舟汽车空调有限公司 | Electric air conditioner of engineering vehicle |
CN209111895U (en) * | 2018-12-05 | 2019-07-16 | 南方英特空调有限公司 | Integrated heat management system |
CN110108055A (en) * | 2018-02-01 | 2019-08-09 | 上海银轮热交换系统有限公司 | The heat pump integrated system of car air-conditioner |
CN209426515U (en) * | 2018-09-25 | 2019-09-24 | 上海思致汽车工程技术有限公司 | A kind of electric automobile air conditioner and battery thermal management system |
CN211280549U (en) * | 2019-09-19 | 2020-08-18 | 一汽奔腾轿车有限公司 | Cooling system of electric vehicle |
CN111716993A (en) * | 2020-06-23 | 2020-09-29 | 重庆长安新能源汽车科技有限公司 | Low-energy-consumption heat management system |
CN212555747U (en) * | 2020-05-06 | 2021-02-19 | 泰铂(上海)环保科技股份有限公司 | Air conditioning system for electric excavator |
-
2021
- 2021-06-09 CN CN202110643003.7A patent/CN113212102A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104121630A (en) * | 2013-11-17 | 2014-10-29 | 柳州易舟汽车空调有限公司 | Electric air conditioner of engineering vehicle |
CN110108055A (en) * | 2018-02-01 | 2019-08-09 | 上海银轮热交换系统有限公司 | The heat pump integrated system of car air-conditioner |
CN209426515U (en) * | 2018-09-25 | 2019-09-24 | 上海思致汽车工程技术有限公司 | A kind of electric automobile air conditioner and battery thermal management system |
CN209111895U (en) * | 2018-12-05 | 2019-07-16 | 南方英特空调有限公司 | Integrated heat management system |
CN211280549U (en) * | 2019-09-19 | 2020-08-18 | 一汽奔腾轿车有限公司 | Cooling system of electric vehicle |
CN212555747U (en) * | 2020-05-06 | 2021-02-19 | 泰铂(上海)环保科技股份有限公司 | Air conditioning system for electric excavator |
CN111716993A (en) * | 2020-06-23 | 2020-09-29 | 重庆长安新能源汽车科技有限公司 | Low-energy-consumption heat management system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202361545U (en) | Frequency conversion and fixed frequency combined-type air conditioner and refrigerator all-in-one machine with human body infrared induction function | |
CN101918776A (en) | Methods and systems for controlling an air conditioning system operating in free cooling mode | |
CN106394184B (en) | CO (carbon monoxide)2Heat pump air conditioning system and control method thereof | |
CN102777981A (en) | Energy-saving air-conditioning system used for communication base station and capable of supplying air in object-oriented mode and running method thereof | |
CN106766365A (en) | Frequency conversion air-cooled heat pump water chiller-heater system and its control method and air-conditioning | |
KR101689724B1 (en) | Air conditioner and control method thereof | |
CN101603709A (en) | Intelligent energy-saving air conditioner | |
CN205220274U (en) | Electric automobile's motor battery temperature integrated control system | |
CN113212102A (en) | Air conditioning system and excavator | |
CN209071571U (en) | A kind of heat management device of power battery and electric car | |
CN112092567A (en) | Electric automobile air conditioner heat pump system adopting double bypass valves and electronic expansion valve | |
CN113137719B (en) | Air conditioner and control method | |
CN202630536U (en) | Novel cold and hot water unit of air-cooled screw heat pump | |
CN214581526U (en) | Air suspension direct expansion type air conditioning unit | |
CN201658111U (en) | Temperature-regulating quilt | |
CN112923594B (en) | Magnetic suspension evaporation cold direct expansion unit and control method thereof | |
CN205481918U (en) | Economizer system is synthesized to industrial cooling water set and intelligent control ware thereof | |
CN210772484U (en) | Flow path structure of indoor unit of integrated supply system | |
CN209693351U (en) | Air conditioner for base station | |
CN208588108U (en) | A kind of air-source refrigerating and heating combined equipment | |
CN113099702A (en) | Double-cabinet and multi-cabinet base station air conditioner | |
CN2727613Y (en) | Integrative air conditioner using antifreezing fluid for cold storage and low pressure cyclic cold delivery | |
CN201866982U (en) | Heating and cooling integrated air-conditioning system of electric vehicle | |
CN220017573U (en) | Automatic temperature-control position-control air conditioner | |
CN217900142U (en) | Computer lab temperature control economizer system based on water-cooling wisdom energy station |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |