CN108954505B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN108954505B CN108954505B CN201810507881.4A CN201810507881A CN108954505B CN 108954505 B CN108954505 B CN 108954505B CN 201810507881 A CN201810507881 A CN 201810507881A CN 108954505 B CN108954505 B CN 108954505B
- Authority
- CN
- China
- Prior art keywords
- refrigerant
- air conditioner
- valve
- heat exchange
- branch pipes
- 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.)
- Active
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 186
- 230000010349 pulsation Effects 0.000 abstract description 28
- 239000012530 fluid Substances 0.000 abstract description 25
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 12
- 238000001816 cooling Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner, which comprises a compressor, a condenser, a throttling device and an evaporator which are connected through a refrigerant pipeline, wherein a valve is arranged on the refrigerant pipeline connected with the condenser, and the valve is controlled to be on and off at a preset frequency when the air conditioner operates, so that the flow of the refrigerant in the condenser is changed periodically. The air conditioner provided by the invention is characterized in that the valve is arranged on the refrigerant pipeline connected with the condenser, and the valve is controlled to be switched on and off at a preset frequency when the air conditioner runs, so that the refrigerant flow in the condenser pipeline is changed periodically, a rapidly changed speed field is formed near the pipe wall, strong fluid pulsation disturbance is formed, the heat exchange between the refrigerant and the pipe wall is enhanced, namely the heat exchange capability of the outdoor unit of the air conditioner is enhanced by utilizing the fluid pulsation, and therefore, the size of the air conditioner can be reduced, the requirement on installation space is reduced, materials are saved, and the cost of the air conditioner is reduced under the condition that the refrigerating or heating capability.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner.
Background
At present, the designed air conditioner outdoor unit is large in size due to the limitation of heat exchange level, so that a large installation space is required and space is wasted; on the other hand, a large amount of raw materials are used, resulting in high manufacturing costs of the air conditioner.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Accordingly, an object of the present invention is to provide an air conditioner.
In order to achieve the purpose, the technical scheme of the invention provides an air conditioner which comprises a compressor, a condenser, a throttling device and an evaporator which are connected through a refrigerant pipeline, wherein a valve is arranged on the refrigerant pipeline connected with the condenser, and the valve is controlled to be on and off at a preset frequency when the air conditioner operates, so that the flow of the refrigerant in the condenser is changed periodically.
According to the air conditioner provided by the technical scheme, the valve is arranged on the refrigerant pipeline connected with the condenser, and the valve is controlled to be switched on and off at the preset frequency when the air conditioner runs, so that the refrigerant flow in the condenser pipeline is changed periodically, a rapidly changed speed field is formed near the pipe wall, strong fluid pulsation disturbance is formed, the heat exchange between the refrigerant and the pipe wall is enhanced, namely the heat exchange capacity of the air conditioner outdoor unit is enhanced by utilizing the fluid pulsation, and therefore the size of the air conditioner can be reduced, the requirement on installation space is reduced, materials are saved, and the cost of the air conditioner is reduced under the condition that the refrigerating or heating capacity is constant.
In addition, the air conditioner provided by the technical scheme of the invention can also have the following additional technical characteristics:
in the above technical solution, preferably, the condenser includes a plurality of heat exchange units connected in parallel, the refrigerant pipeline includes a plurality of refrigerant branch pipes connected to the heat exchange units, and the valves are disposed on some of the refrigerant branch pipes.
The condenser comprises a plurality of heat exchange units which are connected in parallel, valves are arranged on part of refrigerant branch pipes, the flow of the refrigerant in the refrigerant branch pipe where the valves are located can be changed periodically by utilizing the on-off of the valves, and a rapidly changing speed field is formed near the pipe wall, so that strong fluid pulsation disturbance is formed, and the heat exchange between the refrigerant and the pipe wall is enhanced; when the air conditioner operates under a certain frequency, the on-off of the valve changes the flow of the pipeline where the air conditioner is located, and meanwhile, the flow of the bypass pipeline without the valve is changed, and the same speed pulsation disturbance is formed, so that the purpose of enhancing the heat exchange capacity of the outdoor unit of the air conditioner by utilizing the fluid pulsation is achieved.
In the above technical solution, preferably, the heat exchange unit includes a refrigerant input port and a refrigerant output port, a refrigerant branch pipe connected to the refrigerant input port is marked as a refrigerant input branch pipe, a refrigerant branch pipe connected to the refrigerant output port is marked as a refrigerant output branch pipe, and the valve is provided on part of the refrigerant input branch pipe or part of the refrigerant output branch pipe.
The valves are arranged on part of the refrigerant input branch pipes or part of the refrigerant output branch pipes, so that the valves are more convenient to install in refrigerant pipelines, and the effect of fluid pulsation is better by utilizing the on-off of the valves; secondly, only a part of the refrigerant input branch pipes or a part of the refrigerant output branch pipes are provided with valves, and at least one refrigerant input branch pipe or at least one refrigerant output branch pipe is ensured not to be provided with valves, so that continuous refrigerants in a refrigerant pipeline can be ensured to return to the compressor, the damage to the compressor is avoided, and the normal work of the compressor is ensured.
In the above technical solution, preferably, the refrigerant pipeline further includes a refrigerant input collecting pipe connected to the plurality of refrigerant input branch pipes, and a refrigerant output collecting pipe connected to the plurality of refrigerant output branch pipes.
When the air conditioner operates, the refrigerants are distributed into the refrigerant input branch pipes by the refrigerant input collecting pipe, then enter the heat exchange units to exchange heat with outdoor air, and then are collected into the refrigerant output collecting pipe by the refrigerant output branch pipes.
In the above technical solution, preferably, the valves are disposed on part of the refrigerant input branch pipes, the number of the heat exchange units is N, and the number of the refrigerant input branch pipes provided with the valves is any integer value between 1 and N-1, where N is an integer greater than 1.
Set up the valve on some refrigerant input lateral pipes, the quantity of the refrigerant input lateral pipe that specifically is equipped with the valve can be according to actual conditions reasonable design, further in order to avoid causing the damage to the compressor, ensures not set up the valve on at least one refrigerant input lateral pipe to ensure that there is the refrigerant to get into in the compressor in succession.
In the above technical solution, preferably, the number of the heat exchange units is N, and the valves are provided on the N-1 refrigerant input branch pipes.
In order to improve the fluid pulsation effect, preferably, no valve is arranged on one of the refrigerant input branch pipes, and valves are arranged on the other refrigerant input branch pipes, so that the refrigerant flowing in each heat exchange unit is ensured to form strong fluid pulsation disturbance, the heat exchange between the refrigerant and the pipe wall of each heat exchange unit is enhanced, and the heat exchange effect of the air conditioner is enhanced.
In the above technical solution, preferably, the valves are disposed on part of the refrigerant output branch pipes, the number of the heat exchange units is N, and the number of the refrigerant output branch pipes provided with the valves is any integer value between 1 and N-1, where N is an integer greater than 1.
Valves are arranged on part of the refrigerant output branch pipes, the on-off of the valves at the positions can also cause strong disturbance to the refrigerant entering the condenser, so that the refrigerant forms a rapidly-changing speed field near the pipe wall of the condenser to form strong fluid pulsation disturbance, the heat exchange effect of the refrigerant and the pipe wall of the condenser is enhanced, and the number of the refrigerant output branch pipes specifically provided with the valves can be reasonably designed according to actual conditions; further, in order to avoid damage to the compressor, it is ensured that no valve is arranged on at least one refrigerant output branch pipe, so as to ensure that the refrigerant continuously enters the compressor.
In the above technical solution, preferably, the number of the heat exchange units is N, and the valves are provided on the N-1 refrigerant output branch pipes.
In order to improve the fluid pulsation effect, preferably, no valve is arranged on one of the refrigerant output branch pipes, and valves are arranged on the other refrigerant output branch pipes, so that the refrigerant flowing in each heat exchange unit is ensured to form strong fluid pulsation disturbance, the heat exchange between the refrigerant and the pipe wall of each heat exchange unit is enhanced, and the heat exchange effect of the air conditioner is enhanced.
In any one of the above technical solutions, preferably, the air conditioner further includes: and the electric control device is electrically connected with the valve and used for controlling the valve to be switched on and off at a preset frequency when the air conditioner runs.
The on-off of the valve is controlled by the electric control device, specifically, the valve can be controlled by the electric control device to be switched on and off at a preset frequency when the air conditioner runs, the valve can be controlled by the electric control device to be switched on and off at a preset frequency according to the running working condition of the air conditioner, and the specific control process and the specific on-off frequency of the valve can be reasonably designed according to actual products.
In any of the above technical solutions, preferably, the valve is an electronic valve or a leaf valve.
Preferably, the valve adopts an electronic valve, so that the cost is low and the installation is convenient; of course, other valves capable of realizing on-off or flow rate regulation of the refrigerant pipeline may be adopted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention, in which arrows indicate the flow direction of refrigerant during cooling operation of the air conditioner.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
1 compressor, 2 condenser, 3 throttle device, 4 evaporator, 5 electronic valve.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
An air conditioner according to some embodiments of the present invention will be described with reference to fig. 1.
As shown in fig. 1, an air conditioner according to some embodiments of the present invention includes a compressor 1, a condenser 2, a throttling device 3, and an evaporator 4 connected to each other through a refrigerant pipeline, wherein a valve (e.g., an electronic valve 5) is disposed on the refrigerant pipeline connected to the condenser 2, and the valve is controlled to be turned on and off at a predetermined frequency during operation of the air conditioner, so that a flow rate of a refrigerant in the condenser 2 is periodically changed.
In the air conditioner provided by the embodiment of the invention, the valve is arranged on the refrigerant pipeline connected with the condenser 2, and the valve is controlled to be switched on and off at the preset frequency when the air conditioner runs, so that the refrigerant flow in the pipeline of the condenser 2 is changed periodically, a rapidly changed speed field is formed near the pipe wall, strong fluid pulsation disturbance is formed, the heat exchange between the refrigerant and the pipe wall is enhanced, namely the heat exchange capacity of the outdoor unit of the air conditioner is enhanced by utilizing the fluid pulsation, and therefore, the size of the air conditioner can be reduced, the requirement on installation space is reduced, materials are saved, and the cost of the air conditioner is reduced under the condition of certain refrigerating or heating.
In some embodiments of the present invention, as shown in fig. 1, the condenser 2 includes a plurality of heat exchange units connected in parallel, the refrigerant pipeline includes a plurality of refrigerant branch pipes connected to the heat exchange units, and valves are disposed on some of the refrigerant branch pipes.
The condenser 2 comprises a plurality of heat exchange units which are connected in parallel, valves are arranged on part of refrigerant branch pipes, on one hand, the on-off of the valves can be utilized to enable the refrigerant flow in the refrigerant branch pipes where the valves are located to change periodically, and a rapidly changing speed field is formed near the pipe wall, so that strong fluid pulsation disturbance is formed, and the heat exchange between the refrigerant and the pipe wall is enhanced; when the air conditioner operates under a certain frequency, the on-off of the valve changes the flow of the pipeline where the air conditioner is located, and meanwhile, the flow of the bypass pipeline without the valve is changed, and the same speed pulsation disturbance is formed, so that the purpose of enhancing the heat exchange capacity of the outdoor unit of the air conditioner by utilizing the fluid pulsation is achieved.
Further, as shown in fig. 1, the heat exchange unit includes a refrigerant input port and a refrigerant output port, a refrigerant branch pipe connected to the refrigerant input port is denoted as a refrigerant input branch pipe, a refrigerant branch pipe connected to the refrigerant output port is denoted as a refrigerant output branch pipe, and a valve is disposed on a part of the refrigerant input branch pipe or a part of the refrigerant output branch pipe.
The valves are arranged on part of the refrigerant input branch pipes or part of the refrigerant output branch pipes, so that the valves are more convenient to install in refrigerant pipelines, and the effect of fluid pulsation is better by utilizing the on-off of the valves; secondly, only a part of the refrigerant input branch pipes or a part of the refrigerant output branch pipes are provided with valves, and at least one refrigerant input branch pipe or at least one refrigerant output branch pipe is ensured not to be provided with valves, so that continuous refrigerants in a refrigerant pipeline can be ensured to return to the compressor 1, the compressor 1 is prevented from being damaged, and the normal work of the compressor 1 is ensured.
It should be noted that, for an air conditioner capable of both cooling and heating, the refrigerant input port during cooling operation of the air conditioner is the refrigerant output port during heating operation of the air conditioner, and the refrigerant output port during cooling operation of the air conditioner is the refrigerant input port during heating operation of the air conditioner, at this time, the refrigerant input port may also be referred to as a first refrigerant input/output port, and the refrigerant output port may also be referred to as a second refrigerant input/output port, which are all within the protection scope of the present invention as long as the design concept of the present invention is not departed.
Still further, as shown in fig. 1, the refrigerant pipeline further includes a refrigerant input collecting pipe connected to the plurality of refrigerant input branch pipes, and a refrigerant output collecting pipe connected to the plurality of refrigerant output branch pipes.
When the air conditioner operates, the refrigerants are distributed into the refrigerant input branch pipes by the refrigerant input collecting pipe, then enter the heat exchange units to exchange heat with outdoor air, and then are collected into the refrigerant output collecting pipe by the refrigerant output branch pipes.
In a specific embodiment, as shown in fig. 1, valves are disposed on part of the refrigerant input branch pipes, the number of the heat exchange units is N, and the number of the refrigerant input branch pipes provided with the valves is any integer value between 1 and N-1, where N is an integer greater than 1.
Set up the valve on some refrigerant input lateral pipes, the quantity of the refrigerant input lateral pipe that specifically is equipped with the valve can be according to actual conditions reasonable design, further in order to avoid causing the damage to compressor 1, ensures not set up the valve on at least one refrigerant input lateral pipe to ensure that there is the refrigerant to get into in compressor 1 in succession.
Preferably, the number of the heat exchange units is N, and valves are arranged on the N-1 refrigerant input branch pipes.
In order to improve the fluid pulsation effect, preferably, no valve is arranged on one of the refrigerant input branch pipes, and valves are arranged on the other refrigerant input branch pipes, so that the refrigerant flowing in each heat exchange unit is ensured to form strong fluid pulsation disturbance, the heat exchange between the refrigerant and the pipe wall of each heat exchange unit is enhanced, and the heat exchange effect of the air conditioner is enhanced.
In another specific embodiment, valves are arranged on part of the refrigerant output branch pipes, the number of the heat exchange units is N, and the number of the refrigerant output branch pipes provided with the valves is any integer value between 1 and N-1, wherein N is an integer greater than 1.
Valves are arranged on part of the refrigerant output branch pipes, the on-off of the valves at the positions can also cause strong disturbance to the refrigerant entering the condenser 2, so that the refrigerant forms a rapidly-changing speed field near the pipe wall of the condenser 2 to form strong fluid pulsation disturbance, the heat exchange effect of the refrigerant and the pipe wall of the condenser 2 is enhanced, and the number of the refrigerant output branch pipes provided with the valves can be reasonably designed according to actual conditions; further, in order to avoid damage to the compressor 1, it is ensured that no valve is disposed on at least one refrigerant output branch pipe, so as to ensure that refrigerant continuously enters the compressor 1.
Preferably, the number of the heat exchange units is N, and valves are arranged on the N-1 refrigerant output branch pipes.
In order to improve the fluid pulsation effect, preferably, no valve is arranged on one of the refrigerant output branch pipes, and valves are arranged on the other refrigerant output branch pipes, so that the refrigerant flowing in each heat exchange unit is ensured to form strong fluid pulsation disturbance, the heat exchange between the refrigerant and the pipe wall of each heat exchange unit is enhanced, and the heat exchange effect of the air conditioner is enhanced.
In an embodiment of the present invention, the air conditioner further includes: and the electric control device is electrically connected with the valve and is used for controlling the valve to be switched on and off at a preset frequency when the air conditioner runs.
The on-off of the valve is controlled by the electric control device, specifically, the valve can be controlled by the electric control device to be switched on and off at a preset frequency when the air conditioner runs, the valve can be controlled by the electric control device to be switched on and off at a preset frequency according to the running working condition of the air conditioner, and the specific control process and the specific on-off frequency of the valve can be reasonably designed according to actual products.
Preferably, the valve adopts an electronic valve 5, and the electronic valve 5 is low in cost and convenient to install; of course, the valve may be a leaf valve, or may be another valve capable of realizing on-off or flow rate adjustment of a refrigerant pipeline.
In one embodiment, as shown in fig. 1, the air conditioner includes a compressor 1, a condenser 2, a throttling device 3, and an evaporator 4 connected by refrigerant pipelines, the compressor 1, the condenser 2, the throttling device 3, and the evaporator 4 are connected by refrigerant pipelines to form a refrigeration loop, and arrows in the figure indicate the flow direction of refrigerant during the refrigeration operation of the air conditioner; wherein, the input pipeline of the condenser 2 is provided with an electronic valve 5, and the switch of the electronic valve is controlled by an electric control program; when the air conditioner runs, the electronic control program controls the electronic valve 5 to be switched on and off at a certain frequency, so that the flow rate of the refrigerant in the pipeline of the condenser 2 is changed periodically, a rapidly-changing speed field is formed near the pipe wall, strong fluid pulsation disturbance is formed, and the heat exchange between the refrigerant and the pipe wall is enhanced; when the air conditioner operates at a certain frequency, the on-off of the electronic valve 5 changes the flow of a pipeline where the electronic valve is located, and meanwhile, the flow of a bypass pipeline is changed, and the same speed pulsation disturbance is formed, so that the heat exchange capacity of the air conditioner is enhanced, the size of the air conditioner can be reduced, the requirement on an installation space is reduced, materials are saved, and the cost of the air conditioner is reduced under the condition that the refrigerating or heating capacity is certain.
In summary, in the air conditioner provided in the embodiments of the present invention, the valve is disposed on the refrigerant pipeline connected to the condenser, and the valve is controlled to be turned on or off at a preset frequency when the air conditioner is in operation, so that the refrigerant flow in the condenser pipeline is periodically changed, and a rapidly changing velocity field is formed near the pipe wall, a strong fluid pulsation disturbance is formed, and heat exchange between the refrigerant and the pipe wall is enhanced, that is, the fluid pulsation is utilized to enhance the heat exchange capability of the outdoor unit of the air conditioner, so that the size of the air conditioner can be reduced, the installation space requirement is reduced, the material is saved, and the air conditioning cost is reduced under the condition of a.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, e.g., "connected" may be a fixed connection, a detachable connection, an integral connection, or an electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An air conditioner comprises a compressor, a condenser, a throttling device and an evaporator which are connected through refrigerant pipelines, and is characterized in that,
a valve is arranged on a refrigerant pipeline connected with the condenser, and the valve is controlled to be on-off at a preset frequency when the air conditioner operates, so that the flow of the refrigerant in the condenser is periodically changed;
the condenser comprises a plurality of heat exchange units connected in parallel, the refrigerant pipeline comprises a plurality of refrigerant branch pipes connected to the heat exchange units, and the valves are arranged on part of the refrigerant branch pipes.
2. The air conditioner according to claim 1,
the heat exchange unit comprises a refrigerant input port and a refrigerant output port, a refrigerant branch pipe connected with the refrigerant input port is marked as a refrigerant input branch pipe, a refrigerant branch pipe connected with the refrigerant output port is marked as a refrigerant output branch pipe, and the valve is arranged on part of the refrigerant input branch pipe or part of the refrigerant output branch pipe.
3. The air conditioner according to claim 2,
the refrigerant pipeline also comprises a refrigerant input collecting pipe connected with the plurality of refrigerant input branch pipes and a refrigerant output collecting pipe connected with the plurality of refrigerant output branch pipes.
4. The air conditioner according to claim 2,
the valves are arranged on part of the refrigerant input branch pipes, the number of the heat exchange units is N, the number of the refrigerant input branch pipes provided with the valves is any integer value between 1 and N-1, and N is an integer greater than 1.
5. The air conditioner according to claim 4,
the number of the heat exchange units is N, and the valves are arranged on the N-1 refrigerant input branch pipes.
6. The air conditioner according to claim 2,
the valves are arranged on part of the refrigerant output branch pipes, the number of the heat exchange units is N, the number of the refrigerant output branch pipes provided with the valves is any integer value between 1 and N-1, and N is an integer greater than 1.
7. The air conditioner according to claim 6,
the number of the heat exchange units is N, and the valves are arranged on the N-1 refrigerant output branch pipes.
8. The air conditioner according to any one of claims 1 to 7, further comprising:
and the electric control device is electrically connected with the valve and used for controlling the valve to be switched on and off at a preset frequency when the air conditioner runs.
9. The air conditioner according to any one of claims 1 to 7,
the valve is an electronic valve or a leaf valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507881.4A CN108954505B (en) | 2018-05-24 | 2018-05-24 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507881.4A CN108954505B (en) | 2018-05-24 | 2018-05-24 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108954505A CN108954505A (en) | 2018-12-07 |
| CN108954505B true CN108954505B (en) | 2020-09-29 |
Family
ID=64492233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810507881.4A Active CN108954505B (en) | 2018-05-24 | 2018-05-24 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954505B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671842B (en) * | 2019-10-08 | 2024-08-06 | 珠海格力电器股份有限公司 | Air conditioning system capable of enhancing evaporation heat exchange effect |
| CN112033039B (en) * | 2020-09-07 | 2021-07-20 | 珠海格力电器股份有限公司 | Heat exchanger self-cleaning method and heat pump unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08135999A (en) * | 1994-11-04 | 1996-05-31 | Mitsubishi Cable Ind Ltd | Integral heat exchanger |
| CN101568771A (en) * | 2006-12-21 | 2009-10-28 | 开利公司 | Refrigerant system with intercooler utilized for reheat function |
| CN104019531A (en) * | 2014-05-30 | 2014-09-03 | 广东美的制冷设备有限公司 | Defrosting method of air-conditioner and air-conditioner |
| CN104329837A (en) * | 2014-09-28 | 2015-02-04 | 青岛大学 | Intensive heat-exchange heat pump system |
| CN105627432A (en) * | 2015-12-25 | 2016-06-01 | 珠海格力电器股份有限公司 | Air conditioning system and defrosting control method thereof |
-
2018
- 2018-05-24 CN CN201810507881.4A patent/CN108954505B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08135999A (en) * | 1994-11-04 | 1996-05-31 | Mitsubishi Cable Ind Ltd | Integral heat exchanger |
| CN101568771A (en) * | 2006-12-21 | 2009-10-28 | 开利公司 | Refrigerant system with intercooler utilized for reheat function |
| CN104019531A (en) * | 2014-05-30 | 2014-09-03 | 广东美的制冷设备有限公司 | Defrosting method of air-conditioner and air-conditioner |
| CN104329837A (en) * | 2014-09-28 | 2015-02-04 | 青岛大学 | Intensive heat-exchange heat pump system |
| CN105627432A (en) * | 2015-12-25 | 2016-06-01 | 珠海格力电器股份有限公司 | Air conditioning system and defrosting control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108954505A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102137413B1 (en) | Systems and methods for controlling refrigeration systems | |
| CN102927715B (en) | Multiple-on-line heat pump air-conditioning system and method for controlling multiple-on-line heat pump air-conditioning system | |
| WO2013145006A1 (en) | Air conditioning device | |
| US20130312436A1 (en) | Heat pump with improved defrost cycle and method of defrosting a heat exchanger | |
| CN102734885B (en) | Serial air conditioner and temperature regulating box all-in-one machine and operation control method thereof | |
| CN104949210A (en) | Air conditioning system, air conditioner, and control method for air conditioning system | |
| CN105987537A (en) | Multi-connected air conditioning system and variable load control method thereof | |
| CN107166582B (en) | air conditioner cooling water system, air conditioner system and air conditioner cooling water system control method | |
| CN105650735A (en) | Indoor unit, outdoor unit, control method, controller and air conditioning system | |
| US10801760B2 (en) | Electronic expansion valve (EEV) control system and method | |
| CN106949581B (en) | Variable frequency air conditioning system and control method thereof | |
| CN108954505B (en) | Air conditioner | |
| CN102798245A (en) | Refrigerating equipment, refrigerating system and deep refrigerating method of refrigerating equipment | |
| CN204084662U (en) | Air conditioner | |
| CN105465975A (en) | Air conditioner and control method thereof | |
| CN112460755B (en) | Frequency converter thermal management system of air conditioning unit, air conditioning unit and control method | |
| US20240167735A1 (en) | Heat source unit and air conditioner | |
| CN203642552U (en) | Refrigerating and/or heating system | |
| CN202947389U (en) | Frequency conversion refrigerator refrigerating device capable of regulating refrigerating capacity automatically | |
| CN104764240B (en) | A kind of air-conditioning system and its control method for possessing defrosting function | |
| CN202973686U (en) | Throttling device of variable frequency air conditioner and air conditioner | |
| CN206989490U (en) | A kind of air conditioner kind of refrigeration cycle and air conditioner | |
| CN110411078A (en) | A kind of air conditioner and control method adjusting throttling based on pressure | |
| CN203704470U (en) | Parallel multifunctional refrigeration air conditioning unit | |
| CN212195000U (en) | Intelligent temperature control double-layer bus air conditioning system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |