CN116428779A - Novel air conditioning system maintenance equipment - Google Patents
Novel air conditioning system maintenance equipment Download PDFInfo
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- CN116428779A CN116428779A CN202310467851.6A CN202310467851A CN116428779A CN 116428779 A CN116428779 A CN 116428779A CN 202310467851 A CN202310467851 A CN 202310467851A CN 116428779 A CN116428779 A CN 116428779A
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- pipeline
- cylinder
- oil separator
- air conditioning
- conditioning system
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 105
- 238000012423 maintenance Methods 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 178
- 239000003507 refrigerant Substances 0.000 claims description 53
- 238000001514 detection method Methods 0.000 claims description 16
- 238000005303 weighing Methods 0.000 claims description 10
- 239000010725 compressor oil Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 13
- 239000010726 refrigerant oil Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
Classifications
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- 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
- F25B45/00—Arrangements for charging or discharging refrigerant
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- 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
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- 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
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- 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
- F25B41/40—Fluid line arrangements
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
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- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
Abstract
The invention discloses a novel air conditioning system maintenance device, which comprises: the low-pressure port is used for being connected with the low-pressure port; the oil separator comprises an oil separator big cylinder and an oil separator small cylinder arranged in the oil separator big cylinder, and the bottom end of the oil separator big cylinder is connected with the low pressure port; the drying filter is connected with the top end of the large cylinder of the oil separator; the compressor is connected with the drying filter through a first port on the compressor and connected with the bottom end of the small cylinder of the oil separator through a second port on the compressor; the condenser is connected with the top end of the oil separator small cylinder; the main tank steel cylinder is connected with the condenser, and the high-pressure port is connected with the main tank steel cylinder and is used for being connected with the high-pressure port; the low pressure port is connected with at least one new oil bottle, and a new oil filling valve is connected between the new oil bottle and the low pressure port. The novel air conditioning system maintenance equipment can realize the cleaning function of an air conditioning system, can completely clean old refrigerating oil in the air conditioning system, and can also realize filling of new refrigerating oil in the air conditioning system.
Description
Technical Field
The invention relates to the technical field of maintenance equipment, in particular to novel air conditioning system maintenance equipment.
Background
At present, when an automobile repair factory maintains an air conditioning system of an automobile, an air conditioning system maintenance device is required to clean an internal pipeline of the air conditioning system so as to clean old refrigerating oil in the air conditioning system. However, the maintenance device for an air conditioning system in the prior art can only simply pump out the refrigerant in the air conditioning system of the automobile to bring a small amount of old refrigerating oil out when the refrigerant is pumped out, and most of the old refrigerating oil in the air conditioning system of the automobile cannot be cleaned and replaced, that is, the maintenance device for the air conditioning system in the prior art cannot completely clean the internal pipeline in the air conditioning system of the automobile.
In summary, how to provide a novel air conditioning system maintenance device to achieve the cleaning function of the air conditioning system and clean the old refrigerating oil in the air conditioning system completely is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a novel air conditioning system maintenance device, which can realize a cleaning function for an air conditioning system and can completely clean old refrigerating oil in the air conditioning system.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a novel air conditioning system maintenance apparatus, comprising:
the low-pressure port is used for being connected with a low-pressure port on the air conditioning system;
the oil separator comprises an oil separator big cylinder and an oil separator small cylinder arranged in the oil separator big cylinder, and the bottom end of the oil separator big cylinder is connected with the low pressure port through a pipeline;
the drying filter is connected with the top end of the large cylinder of the oil separator through a pipeline;
the compressor is connected with the drying filter through a first port on the compressor by adopting a pipeline, and the compressor is connected with the bottom end of the small oil separator cylinder through a second port on the compressor by adopting a pipeline;
the condenser is connected with the top end of the oil separator small cylinder through a pipeline;
further comprises: the main tank steel cylinder is connected with the condenser through a pipeline, and the high-pressure port is connected with the main tank steel cylinder through a pipeline and is used for being connected with a high-pressure port on the air conditioning system;
the low-pressure port is also connected with at least one new oil bottle for storing new frozen oil through a pipeline, and a new oil filling valve for controlling the opening and closing of the new oil bottle is connected to the pipeline between the new oil bottle and the low-pressure port.
In a further technical scheme, the novel air conditioning system maintenance equipment, wherein a first electromagnetic valve is connected to a pipeline between the low-pressure port and the bottom end of the large cylinder of the oil separator, and a second electromagnetic valve is connected to a pipeline between the high-pressure port and the main tank steel cylinder.
In a further technical scheme, the novel air conditioning system maintenance equipment, wherein a third electromagnetic valve connected with the high-pressure port is further bypassed on a pipeline between the first electromagnetic valve and the bottom end of the large cylinder of the oil separator, and a fourth electromagnetic valve connected with the low-pressure port is further bypassed on a pipeline between the second electromagnetic valve and the main tank steel cylinder.
In a further technical scheme, the novel air conditioning system maintenance equipment is characterized in that the bottom end of the large cylinder of the oil separator is connected with an old oil bottle through an old oil discharge valve by adopting a pipeline.
In a further technical scheme, the novel air conditioning system maintenance equipment is characterized in that the top end of the oil separator large cylinder is connected with a vacuum pump through a vacuumizing valve by adopting a pipeline.
In a further technical scheme, the novel air conditioning system maintenance equipment further comprises an auxiliary tank steel cylinder for storing new refrigerant, wherein the auxiliary tank steel cylinder is respectively connected with the low-pressure port and the high-pressure port through auxiliary tank filling valves by pipelines.
In a further technical scheme, novel air conditioning system maintenance equipment, wherein, be connected with first check valve on the pipeline between the auxiliary tank filling valve with low pressure mouth, be connected with the second check valve on the pipeline between the auxiliary tank filling valve with high pressure mouth, first solenoid valve with near on the pipeline between the big section of thick bamboo bottom of oil separator the big section of thick bamboo one end of oil separator is connected with the third check valve, the condenser with be connected with the fourth check valve on the pipeline between the oil separator small section of thick bamboo top, the condenser with be connected with the fifth check valve on the pipeline between the main tank steel bottle, the second solenoid valve with near on the pipeline between the high pressure mouth second solenoid valve one end is connected with the sixth check valve.
In a further technical scheme, the novel air conditioning system maintenance equipment, wherein an observation window is connected to one end, close to the oil separator, of the pipeline between the first electromagnetic valve and the bottom end of the oil separator.
In a further technical scheme, the novel air conditioning system maintenance equipment, wherein the compressor is connected with the bottom end of the small oil separator cylinder through a third port on the compressor, and a compressor oil return valve is connected to a pipeline between the third port and the bottom end of the small oil separator cylinder.
In further technical scheme, novel air conditioning system maintenance equipment, wherein, be provided with the compressor fan on the compressor, be provided with the condenser fan on the condenser, the condenser with be connected with second pressure detection device and discharge valve on the pipeline between the fifth check valve, be provided with first pressure detection device on the oil separator large cylinder, main tank steel bottle bottom is provided with main tank weighing sensor, auxiliary tank steel bottle bottom is provided with auxiliary tank weighing sensor, low pressure mouth department is provided with third pressure detection device, high pressure mouth department is provided with fourth pressure detection device, the low pressure mouth still is connected with at least one auxiliary interface through the pipeline.
Compared with the prior art, the invention provides novel air conditioning system maintenance equipment, which comprises: the low-pressure port is used for being connected with a low-pressure port on the air conditioning system; the oil separator comprises an oil separator big cylinder and an oil separator small cylinder arranged in the oil separator big cylinder, and the bottom end of the oil separator big cylinder is connected with the low pressure port through a pipeline; the drying filter is connected with the top end of the large cylinder of the oil separator through a pipeline; the compressor is connected with the drying filter through a first port on the compressor by adopting a pipeline, and the compressor is connected with the bottom end of the small oil separator cylinder through a second port on the compressor by adopting a pipeline; the condenser is connected with the top end of the oil separator small cylinder through a pipeline; further comprises: the main tank steel cylinder is connected with the condenser through a pipeline, and the high-pressure port is connected with the main tank steel cylinder through a pipeline and is used for being connected with a high-pressure port on the air conditioning system; the low-pressure port is also connected with at least one new oil bottle for storing new frozen oil through a pipeline, and a new oil filling valve for controlling the opening and closing of the new oil bottle is connected to the pipeline between the new oil bottle and the low-pressure port. The novel air conditioning system maintenance equipment can realize the cleaning function of an air conditioning system, can completely clean old refrigerating oil in the air conditioning system, and can also realize the filling of new refrigerating oil in the air conditioning system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a novel air conditioning system maintenance device according to an embodiment of the present invention.
Reference numerals: 1. low pressure port 2, first solenoid valve, 3, oil separator, 310, oil separator big cylinder, 320, oil separator small cylinder, 4, dry filter, 5, compressor, 6, condenser, 7, main tank cylinder, 8, second solenoid valve, 9, high pressure port 10, new oil filling valve, 11, new oil cylinder, 12, third solenoid valve, 13, vacuuming valve, 14, vacuum pump, 15, fourth solenoid valve, 16, auxiliary tank cylinder, 17, auxiliary tank filling valve, 18, first check valve, 19, second check valve, 20, old oil cylinder, 21, old oil drain valve, 22, observation window, 23, third check valve, 24, compressor oil return valve, 25, compressor fan, 26, condenser fan, 27, fourth check valve, 28, vent valve, 29, first pressure detection device, 30, second pressure detection device, 31, main tank weighing sensor, 32, auxiliary tank weighing sensor, 33, fifth check valve, 34, sixth check valve, 35, third pressure detection device, 36, fourth pressure detection device, 37, auxiliary port.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and more specific, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or component to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanical connection, electrical connection, or electrical signal connection (both electrical connection and signal connection are provided between the two); can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of the two components. When an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention.
In the description of the present invention, the terms "comprising," "including," "having," "containing," and the like are open-ended terms, meaning including, but not limited to. Reference to the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The sequence of steps involved in the embodiments is used to schematically illustrate the practice of the present application, and is not limited thereto and may be appropriately adjusted as desired.
Various non-limiting embodiments of the present invention are described in detail below with reference to the attached drawing figures.
Referring to fig. 1, an embodiment of the present invention provides a novel air conditioning system maintenance device, which includes:
a low pressure port 1, the low pressure port 1 being for connection with a low pressure port 410 on the air conditioning system 400;
the oil separator 3 comprises an oil separator big cylinder 310 and an oil separator small cylinder 320 arranged in the oil separator big cylinder 310, and the bottom end of the oil separator big cylinder 310 is connected with the low pressure port 1 through a pipeline;
the drying filter 4 is connected with the top end of the oil separator large cylinder 310 through a pipeline;
the compressor 5 is connected with the drying filter 4 through a first port on the compressor 5 through a pipeline, and the compressor 5 is connected with the bottom end of the oil separator small cylinder 320 through a second port (different from the first port) on the compressor 5 through a pipeline;
the condenser 6 is connected with the top end of the oil separator small cylinder 320 through a pipeline;
further comprises: a main tank steel cylinder 7 connected with the condenser 6 through a pipeline, and a high pressure port 9 connected with the main tank steel cylinder 7 through a pipeline, wherein the high pressure port 9 is used for being connected with a high pressure port 420 on the air conditioning system 400;
the low-pressure port 1 is further connected with at least one new oil bottle 11 for storing new frozen oil through a pipeline, and a new oil filling valve 10 for controlling the opening and closing of the new oil bottle 11 is connected to the pipeline between the new oil bottle 11 and the low-pressure port 1.
Further, the novel air conditioning system maintenance device is characterized in that a first electromagnetic valve 2 is connected to a pipeline between the low-pressure port 1 and the bottom end of the large oil separator cylinder 310, and a second electromagnetic valve 8 is connected to a pipeline between the high-pressure port 9 and the main tank steel cylinder 7.
Further, the novel air conditioning system maintenance device is characterized in that a third electromagnetic valve 12 connected with the high-pressure port 9 is further bypassed on a pipeline between the first electromagnetic valve 2 and the bottom end of the oil separator large cylinder 310, and a fourth electromagnetic valve 15 connected with the low-pressure port 1 is further bypassed on a pipeline between the second electromagnetic valve 8 and the main tank steel cylinder 7.
It is to be understood that the air conditioning system 400 in the present invention may belong to an air conditioning system in an automobile, may also belong to an air conditioning system in a home air conditioner, and may also belong to an air conditioning system in other fields, which is not particularly limited.
In particular, the present embodiment is illustrated with an air conditioning system 400 in an automobile. When the air conditioning system 400 needs to be cleaned, the air conditioning system 400 may be connected to the low-pressure interface 410 on the air conditioning system 400 through the low-pressure interface 1, and connected to the high-pressure interface 420 on the air conditioning system 400 through the high-pressure interface 9.
When the first electromagnetic valve 2 and the second electromagnetic valve 8 are controlled to be opened at the beginning of cleaning, the third electromagnetic valve 12 and the fourth electromagnetic valve 15 are controlled to be closed;
at this time, the flow direction of the refrigerant (in which the old refrigerant oil is mixed) in the air conditioning system 400 is: the embodiment can realize the circulation cleaning of the refrigerant in the air conditioning system 400, namely, the embodiment comprises a low-pressure port 410, a low-pressure port 1, a first electromagnetic valve 2, an oil separator large cylinder 310, a dry filter 4, a compressor 5, an oil separator small cylinder 320, a condenser 6, a main tank steel cylinder 7, a second electromagnetic valve 8, a high-pressure port 9 and a high-pressure port 420; wherein, the liquid crystal display device comprises a liquid crystal display device,
the cleaning principle is as follows: when the refrigerant flowing out of the low-pressure port 410 flows into the oil separator big cylinder 310 through the low-pressure port 1 and the first electromagnetic valve 2, at this time, the old refrigerating oil mixed in the refrigerant is precipitated at the bottom of the oil separator big cylinder 310, and part of the gas refrigerant flows into the drying filter 4 through the top end of the oil separator big cylinder 310, after the gas refrigerant is dried, the gas refrigerant at low temperature and low pressure is compressed by the compressor 5 and becomes the gas refrigerant at high temperature and high pressure, the gas refrigerant at high temperature and high pressure flows into the bottom end of the oil separator small cylinder 320 again, so that the temperature of the oil separator small cylinder 320 is raised, the heating of the refrigerant in the oil separator big cylinder 310 can be realized by utilizing the high temperature in the oil separator small cylinder 320, the liquid refrigerant in the big cylinder 310 can be fully evaporated into gas, the old refrigerating oil is precipitated, the effect of separating the oil and gas can be achieved, and the complete cleaning of the old refrigerating oil and air conditioning system 400 can be realized after multiple cycles.
Similarly, when the third electromagnetic valve 12 and the fourth electromagnetic valve 15 are controlled to be opened at the beginning of cleaning, the first electromagnetic valve 2 and the second electromagnetic valve 8 are controlled to be closed;
at this time, the flow direction of the refrigerant (in which the old refrigerant oil is mixed) in the air conditioning system 400 is: high-pressure port 420- & gt high-pressure port 9- & gt third electromagnetic valve 12- & gt oil separator big cylinder 310- & gt dry filter 4- & gt compressor 5- & gt oil separator small cylinder 320- & gt condenser 6- & gt main tank steel cylinder 7- & gt fourth electromagnetic valve 15- & gt low-pressure port 1- & gt low-pressure port 410, namely the embodiment can realize the circulation cleaning of the refrigerant in the air conditioning system 400; wherein, the liquid crystal display device comprises a liquid crystal display device,
the cleaning principle is as follows: when the refrigerant flowing out of the high-pressure port 420 flows into the oil separator big cylinder 310 through the high-pressure port 9 and the third electromagnetic valve 12, at this time, the old refrigerating oil mixed in the refrigerant is precipitated at the bottom of the oil separator big cylinder 310, and part of the gas refrigerant flows into the drying filter 4 through the top end of the oil separator big cylinder 310, after the gas refrigerant is dried, the gas refrigerant at low temperature and low pressure is compressed by the compressor 5 and becomes the gas refrigerant at high temperature and high pressure, the gas refrigerant at high temperature and high pressure flows into the bottom end of the oil separator small cylinder 320 again, so that the temperature of the oil separator small cylinder 320 is increased, the heating of the refrigerant in the oil separator big cylinder 310 can be realized by utilizing the high temperature in the oil separator small cylinder 320, the liquid refrigerant in the oil separator big cylinder 310 can be fully evaporated into gas, the old refrigerating oil is precipitated, the effect of oil-gas separation is achieved, and the air conditioning system 400 can be completely cleaned after multiple cycles, and the old refrigerating oil system 400 can be completely cleaned.
Namely, through the novel air conditioning system maintenance equipment of the embodiment, the cleaning function of the air conditioning system 400 can be realized, and the old refrigerating oil in the air conditioning system 400 can be completely cleaned;
secondly, at least one new oil bottle 11 for storing new frozen oil is connected to the low pressure port 1 through a pipeline, a new oil filling valve 10 for controlling the opening and closing of the new oil bottle 11 is connected to the pipeline between the new oil bottle 11 and the low pressure port 1, when the new oil filling valve 10 is opened, the new oil bottle 11 can fill the new frozen oil in the air conditioning system 400, wherein a new oil bottle weighing sensor (not shown) is further arranged at the bottom of the new oil bottle 11, and the new oil bottle weighing sensor is used for detecting the weight of the new frozen oil in the new oil bottle 11; it should be noted that the new oil bottles 11 in fig. 1 of the specification are only shown as 2 (for example only), and in fact, there may be 1, 2, 3, … …, etc. cases, because the new frozen oil is roughly classified into PAG oil, POE oil, UV oil, etc.
Meanwhile, on the basis that the novel air conditioning system maintenance device according to the embodiment can realize the cleaning function of the air conditioning system 400, the novel air conditioning system maintenance device according to the embodiment can also realize the recovery function of the air conditioning system 400;
in specific operation, the flow direction of the refrigerant (in which the old refrigerating oil is mixed) in the air conditioning system 400 is as follows: the method comprises the steps of a first electromagnetic valve 2, a second electromagnetic valve 12, an oil separator large cylinder 310, a dry filter 4, a compressor 5, an oil separator small cylinder 320, a condenser 6 and a main tank steel cylinder 7, wherein the first electromagnetic valve 2 and the second electromagnetic valve 12 are arranged in the main tank steel cylinder 7;
in this embodiment, the recovery function recovers all the refrigerant in the air conditioning system 400 into the main tank steel cylinder 7, and in the recovery process, the oil-gas separation is performed by the oil separator 3, and the old refrigerating oil mixed in the refrigerant is precipitated at the bottom of the large oil separator cylinder 310 after being separated; the refrigerant recovered after the oil-gas separation in the main tank steel cylinder 7 by the oil separator 3 may be refilled into the air conditioning system 400 if no special requirement exists, and the specific flow direction is as follows: main tank cylinder 7→fourth solenoid valve 15 and second solenoid valve 8→low pressure port 1 and high pressure port 9→low pressure port 410 and high pressure port 420→air conditioning system 400.
Further, the bottom end of the large oil separator cylinder 310 is connected with the old oil bottle 20 through the old oil discharge valve 21 by a pipeline.
In particular, when the old oil discharge valve 21 is opened, the old frozen oil obtained by separating the sediment in the oil separator vat 310 may be discharged into the old oil bottle 20 for collection, wherein an old oil bottle load cell (not shown) is further disposed at the bottom of the old oil bottle 20, and the old oil bottle load cell is used for detecting the weight of the old frozen oil in the old oil bottle 20.
Further, the top end of the oil separator large cylinder 310 is connected with the vacuum pump 14 through the vacuumizing valve 13 by adopting a pipeline.
In specific implementation, the vacuum pump 14 can realize the vacuumizing function of the novel air conditioning system maintenance device on the air conditioning system 400;
in specific operation, the flow direction of the refrigerant (in which the old refrigerating oil is mixed) in the air conditioning system 400 is as follows: the high-pressure port 410 and the high-pressure port 420, the low-pressure port 1 and the high-pressure port 9, the first electromagnetic valve 2 and the third electromagnetic valve 12, the oil separator large cylinder 310, the vacuumizing valve 13 and the vacuum pump 14;
in this embodiment, the vacuumizing function pumps all the residual refrigerant in the air conditioning system 400 (the recovery function cannot be completely recovered) to the atmosphere through the vacuum pump 14, and at the same time, the vacuumizing function can gasify the water vapor in the air conditioning system 400 in a negative pressure state and then pump the gasified water vapor to the atmosphere, so as to achieve a state of completely vacuumizing the air conditioning system 400.
Further, the novel air conditioning system maintenance equipment further comprises a secondary tank steel bottle 16 for storing new refrigerant, and the secondary tank steel bottle 16 is respectively connected with the low-pressure port 1 and the high-pressure port 9 through a secondary tank filling valve 17 by adopting pipelines.
In specific implementation, it can be understood that the refrigerant recovered in the main tank steel cylinder 7 may have a situation that multiple types of refrigerants are mixed, so that the refrigerant in the main tank steel cylinder 7 is impure and cannot meet the requirement of a specific customer for filling new refrigerant (single type refrigerant); therefore, in order to solve this problem, by providing the auxiliary tank cylinder 16 for storing new refrigerant in the new air conditioning system maintenance device, when a specific customer needs to charge new refrigerant, the auxiliary tank charging valve 17 can be controlled to be opened, and charging of new refrigerant in the air conditioning system 400 can be achieved through the auxiliary tank cylinder 16, specifically, the flow direction is: secondary tank cylinder 16→secondary tank filler valve 17→low pressure port 1 and high pressure port 9→low pressure port 410 and high pressure port 420→air conditioning system 400.
Further, the novel air conditioning system maintenance device is characterized in that a first check valve 18 is connected to a pipeline between the auxiliary tank filling valve 17 and the low pressure port 1, a second check valve 19 is connected to a pipeline between the auxiliary tank filling valve 17 and the high pressure port 9, a third check valve 23 is connected to one end of the large oil separator cylinder 310 near the pipeline between the first electromagnetic valve 2 and the bottom end of the large oil separator cylinder 310, a fourth check valve 27 is connected to a pipeline between the condenser 6 and the top end of the small oil separator cylinder 320, a fifth check valve 33 is connected to a pipeline between the condenser 6 and the main tank steel cylinder 7, and a sixth check valve 34 is connected to one end of the second electromagnetic valve 8 near the second electromagnetic valve 8 on a pipeline between the second electromagnetic valve 8 and the high pressure port 9.
In particular, the first check valve 18 is configured to prevent refrigerant in the low pressure port 410 of the air conditioning system 400 from flowing back into the secondary tank cylinder 16; the second check valve 19 is used to prevent the refrigerant in the high pressure port 420 on the air conditioning system 400 from flowing back into the secondary tank cylinder 16; the third check valve 23 is used to prevent the refrigerant in the oil separator big tube 310 from flowing back to the low pressure port 410 and the high pressure port 420; the fourth check valve 27 is used for preventing the refrigerant in the condenser 6 from flowing back to the oil separator small tube 320; the fifth check valve 33 is used for preventing the refrigerant in the main tank steel cylinder 7 from flowing back to the condenser 6; the sixth check valve 34 is used to prevent the refrigerant in the high pressure port 420 from flowing back into the main tank cylinder 7.
Further, in the novel maintenance device for an air conditioning system, an observation window 22 is connected to a pipeline between the first electromagnetic valve 2 and the bottom end of the large oil separator cylinder 310 near one end of the large oil separator cylinder 310.
In particular, the viewing window 22 is used to view the flow of refrigerant within the novel air conditioning system service unit.
Further, the novel air conditioning system maintenance device is characterized in that the compressor 5 is connected with the bottom end of the small oil separator cylinder 320 through a third port (different from the first port and the second port) on the compressor, and a compressor oil return valve 24 is connected on a pipeline between the third port and the bottom end of the small oil separator cylinder 320.
In a specific implementation, the third port is an oil port of the compressor 5, and part of the refrigerant oil in the refrigerant is taken away when the refrigerant passes through the compressor 5, and the refrigerant oil is separated and precipitated at the bottom of the small oil separator cylinder 320, so that the refrigerant oil separated and precipitated at the bottom of the small oil separator cylinder 320 can be returned to the compressor 5 by opening the oil return valve 24, and the normal operation of the compressor 5 can be ensured.
Further, the novel air conditioning system maintenance equipment, wherein, be provided with the compressor fan 25 on the compressor 5, be provided with the condenser fan 26 on the condenser 6, be connected with second pressure detection device 30 and discharge valve 28 on the pipeline between condenser 6 and the fifth check valve 33, be provided with first pressure detection device 29 on the oil separator large section of thick bamboo 310, main tank steel bottle 7 bottom is provided with main tank weighing sensor 31, auxiliary tank steel bottle 16 bottom is provided with auxiliary tank weighing sensor 32, low pressure mouth 1 department is provided with third pressure detection device 35, high pressure mouth 9 department is provided with fourth pressure detection device 36, low pressure mouth 1 still is connected with at least one auxiliary interface 37 through the pipeline.
In practice, the compressor fan 25 is used for dissipating heat from the compressor 5; the condenser fan 26 is used for radiating heat to the condenser 6; the exhaust valve 28 is used for controlling the exhaust of air in the novel air conditioning system maintenance equipment; the first pressure detecting device 29 is configured to detect a pressure state of the refrigerant in the large oil separator tube 310; the second pressure detecting means 30 is for detecting a pressure state of the outlet of the condenser 6; the main tank load cell 31 is used for detecting the weight of the refrigerant in the main tank steel cylinder 7, and the auxiliary tank load cell 32 is used for detecting the weight of the refrigerant in the auxiliary tank steel cylinder 16; the third pressure detecting means 35 is for indicating the pressure state of the low pressure port 1; the fourth pressure detecting means 36 is for indicating the pressure state of the high pressure port 9; the auxiliary interface 37 is an interface reserved for other auxiliary functions, such as filling a small tank, detecting the pressure, and the like, and is blocked when the auxiliary interface is not used; wherein the first pressure detecting means 29, the second pressure detecting means 30, the third pressure detecting means 35 and the fourth pressure detecting means 36 include, but are not limited to, pressure gauges and pressure sensors.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (10)
1. A novel air conditioning system maintenance device, comprising:
a low pressure port (1), the low pressure port (1) being for connection with a low pressure interface (410) on an air conditioning system (400);
the oil separator (3) comprises an oil separator main cylinder (310) and an oil separator small cylinder (320) arranged in the oil separator main cylinder (310), and the bottom end of the oil separator main cylinder (310) is connected with the low-pressure port (1) through a pipeline;
the drying filter (4) is connected with the top end of the oil separator large cylinder (310) through a pipeline;
the compressor (5) is connected with the drying filter (4) through a first port on the compressor (5), and the compressor (5) is connected with the bottom end of the oil separator small cylinder (320) through a second port on the compressor;
the condenser (6) is connected with the top end of the oil separator small cylinder (320) through a pipeline;
further comprises: a main tank steel bottle (7) connected with the condenser (6) through a pipeline, and a high-pressure port (9) connected with the main tank steel bottle (7) through a pipeline, wherein the high-pressure port (9) is used for being connected with a high-pressure interface (420) on the air conditioning system (400);
the low-pressure port (1) is further connected with at least one new oil bottle (11) for storing new frozen oil through a pipeline, and a new oil filling valve (10) for controlling the opening and closing of the new oil bottle (11) is connected to the pipeline between the new oil bottle (11) and the low-pressure port (1).
2. The novel air conditioning system maintenance device according to claim 1, wherein a first electromagnetic valve (2) is connected to a pipeline between the low pressure port (1) and the bottom end of the oil separator main cylinder (310), and a second electromagnetic valve (8) is connected to a pipeline between the high pressure port (9) and the main tank steel cylinder (7).
3. The novel air conditioning system maintenance device according to claim 2, wherein a third electromagnetic valve (12) connected with the high-pressure port (9) is further bypassed on a pipeline between the first electromagnetic valve (2) and the bottom end of the oil separator main cylinder (310), and a fourth electromagnetic valve (15) connected with the low-pressure port (1) is further bypassed on a pipeline between the second electromagnetic valve (8) and the main tank steel cylinder (7).
4. A new air conditioning system maintenance apparatus according to claim 3, characterized in that the bottom end of the oil separator vat (310) is connected with the old oil bottle (20) by a pipeline through the old oil discharge valve (21).
5. The novel air conditioning system maintenance device according to claim 4, wherein the top end of the oil separator main cylinder (310) is connected with the vacuum pump (14) through the vacuumizing valve (13) by adopting a pipeline.
6. The novel air conditioning system maintenance apparatus according to claim 5, further comprising a sub tank cylinder (16) for storing a new refrigerant, the sub tank cylinder (16) being connected to the low pressure port (1) and the high pressure port (9) by a sub tank filling valve (17), respectively, by piping.
7. The novel air conditioning system maintenance device according to claim 6, wherein a first one-way valve (18) is connected to a pipeline between the auxiliary tank filling valve (17) and the low pressure port (1), a second one-way valve (19) is connected to a pipeline between the auxiliary tank filling valve (17) and the high pressure port (9), a third one-way valve (23) is connected to a pipeline between the first electromagnetic valve (2) and the bottom end of the oil separator main cylinder (310) near one end of the oil separator main cylinder (310), a fourth one-way valve (27) is connected to a pipeline between the condenser (6) and the top end of the oil separator small cylinder (320), a fifth one-way valve (33) is connected to a pipeline between the condenser (6) and the main tank (7), and a sixth one-way valve (34) is connected to a pipeline between the second electromagnetic valve (8) and the high pressure port (9) near one end of the second electromagnetic valve (8).
8. The novel air conditioning system maintenance device according to claim 7, wherein an observation window (22) is connected to a pipeline between the first electromagnetic valve (2) and the bottom end of the oil separator main cylinder (310) near one end of the oil separator main cylinder (310).
9. The novel air conditioning system maintenance device according to claim 8, wherein the compressor (5) is connected to the bottom end of the small oil separator cylinder (320) through a third port on the compressor (5), and a compressor oil return valve (24) is connected to a pipeline between the third port and the bottom end of the small oil separator cylinder (320).
10. The novel air conditioning system maintenance equipment according to claim 9, characterized in that a compressor fan (25) is arranged on the compressor (5), a condenser fan (26) is arranged on the condenser (6), a second pressure detection device (30) and an exhaust valve (28) are connected on a pipeline between the condenser (6) and the fifth one-way valve (33), a first pressure detection device (29) is arranged on the large oil separator cylinder (310), a main tank weighing sensor (31) is arranged at the bottom of the main tank steel cylinder (7), an auxiliary tank weighing sensor (32) is arranged at the bottom of the auxiliary tank steel cylinder (16), a third pressure detection device (35) is arranged at the low pressure port (1), a fourth pressure detection device (36) is arranged at the high pressure port (9), and at least one auxiliary interface (37) is further connected to the low pressure port (1) through the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310467851.6A CN116428779A (en) | 2023-04-27 | 2023-04-27 | Novel air conditioning system maintenance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310467851.6A CN116428779A (en) | 2023-04-27 | 2023-04-27 | Novel air conditioning system maintenance equipment |
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| Publication Number | Publication Date |
|---|---|
| CN116428779A true CN116428779A (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310467851.6A Pending CN116428779A (en) | 2023-04-27 | 2023-04-27 | Novel air conditioning system maintenance equipment |
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| Country | Link |
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| CN (1) | CN116428779A (en) |
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2023
- 2023-04-27 CN CN202310467851.6A patent/CN116428779A/en active Pending
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