CN109974350A - A kind of method and debugging air conditioner model machine of determining target capillary pipe length - Google Patents
A kind of method and debugging air conditioner model machine of determining target capillary pipe length Download PDFInfo
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- CN109974350A CN109974350A CN201910168750.2A CN201910168750A CN109974350A CN 109974350 A CN109974350 A CN 109974350A CN 201910168750 A CN201910168750 A CN 201910168750A CN 109974350 A CN109974350 A CN 109974350A
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- Prior art keywords
- flow
- capillary
- air conditioner
- model machine
- conditioner model
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Classifications
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses the methods and debugging air conditioner model machine of a kind of determining target capillary pipe length, belong to refrigeration technology field.Debugging air conditioner model machine includes the evaporator, condenser and flow regulator by piping connection；Method includes: to adjust flow regulator to the first aperture, and debugging air conditioner model machine is made to be in setting working condition；The flow of flow regulator of the detection in the first aperture, obtains first flow；According to first flow, target capillary is determined.When debugging air conditioner model machine is in setting working condition, by the flow for obtaining the corresponding aperture of flow regulator, and determine target capillary, due to using flow to carry out during determining target capillary, it can be detached from the pipe-line system of debugging air conditioner model machine completely, evacuate gas injection operation without carrying out to pipe-line system, only needing replacing capillary can be operated, the time of determining target capillary can be shortened, process is simple, time-consuming shorter.
Description
Technical field
The present invention relates to refrigeration technology field, in particular to a kind of the method and debugging air conditioner of determining target capillary pipe length
Model machine.
Background technique
In the debugging stage of debugging air conditioner model machine, usually come by adjusting the aperture of flow regulator so that air-conditioning tune
Sample machine is in setting working condition and, in order to reduce cost, generallys use capillary in batch production and make debugging air conditioner sample
Machine is in setting working condition, but how to determine the length of capillary, makes up to the setting working condition of debugging air conditioner model machine
It is the technical issues of must solving.
It is in the prior art usually to use estimation algorithm, by accessing the capillary of certain specification on debugging air conditioner model machine,
And the temperature for measuring exhaust outlet of compressor, condensator outlet, evaporator and compressor return air mouth etc., and by these temperature
Setting working condition is in debugging air conditioner model machine to compare, and according to comparing result, replaces the capillary of different size, until
These temperature when using capillary are consistent in the setting temperature of working condition with debugging air conditioner model machine, just can determine that access is empty
The specification of capillary in tune sample machine is needed using the method for the target capillary in this determining access debugging air conditioner model machine
Pipe-line system is carried out evacuating gas injection operation, process is cumbersome, takes a long time.
Summary of the invention
It is existing to solve the embodiment of the invention provides a kind of method of the determination capillary pipe length of debugging air conditioner model machine
It needs to carry out pipe-line system during determining the target capillary in access debugging air conditioner model machine in technology to evacuate gas injection behaviour
Make, process is cumbersome, the problem of taking a long time.In order to which some aspects of the embodiment to disclosure have a basic understanding, below
Give simple summary.The summarized section is not extensive overview, nor to determine key/critical component or describe this
The protection scope of a little embodiments.Its sole purpose is that some concepts are presented with simple form, in this, as it is subsequent specifically
Bright preamble.
According to a first aspect of the embodiments of the present invention, a kind of method of determining target capillary is provided, air-conditioning is applied to
Model machine is debugged, the debugging air conditioner model machine includes the evaporator, condenser and flow regulator by piping connection；
Method includes:
The flow regulator is adjusted to the first aperture, the debugging air conditioner model machine is made to be in setting working condition；
The flow of the flow regulator of the detection in first aperture, obtains first flow；
According to the first flow, target capillary is determined.
In some optional embodiments, the debugging air conditioner model machine further include: controller, the controller and the flow
Regulating device control connection；
It is described to adjust the flow regulator to the first aperture, specifically:
The flow regulator is adjusted to first aperture by controller, is in the debugging air conditioner model machine and is set
Determine working condition.
In some optional embodiments, the acquisition first flow, specifically includes:
Flow rate test is carried out to the flow regulator in first aperture using flowmeter, is obtained
Obtain the first flow.
In some optional embodiments, described according to the first flow, it determines target capillary, specifically includes:
Flow detection is carried out to capillary, capillary identical with the first flow is target capillary.
In some optional embodiments, described that flow detection is carried out to capillary, it specifically includes:
Flow detection is successively carried out to multiple capillaries, according to precapillary flow is worked as, determines next hair to be detected
Tubule.
In some optional embodiments, the foundation works as precapillary flow, determines next capillary to be detected, wraps
It includes:
When the difference in flow of precapillary flow and first flow is greater than 0, the length of next capillary to be detected is determined
Degree, which is greater than, works as precapillary length, alternatively, determining that the circulation area of next capillary to be detected is less than when precapillary
Circulation area.
In some optional embodiments, the target capillary is round tube or rectangular tube.
In some optional embodiments, the material of the target capillary is metal.
According to a second aspect of the embodiments of the present invention, a kind of debugging air conditioner model machine is provided, including passing through piping connection
Evaporator, condenser, flow regulator and controller；
The controller and flow regulator control connect；
The flow regulator is adjusted by the controller, adjusts the operation work shape of the debugging air conditioner model machine
State.
In some optional embodiments, the flow regulator is electric expansion valve or shut-off valve.
Technical solution provided in an embodiment of the present invention can include the following benefits:
The embodiment of the present invention adjusts debugging air conditioner model machine by flow regulator and is in setting working condition, when air-conditioning tune
When sample machine is in setting working condition, by obtaining the flow of the corresponding aperture of flow regulator, and target capillary is determined
Pipe can be detached from the pipeline system of debugging air conditioner model machine due to using flow to carry out during determining target capillary completely
System evacuates gas injection operation without carrying out to pipe-line system, it is only necessary to which the specification for replacing capillary can be operated, and can shorten determining mesh
The time of capillary is marked, process is simple, time-consuming shorter.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of structural schematic diagram of debugging air conditioner model machine shown according to an exemplary embodiment；
Fig. 2 is a kind of debugging air conditioner model machine capillary pipe length that sets the goal really shown according to an exemplary embodiment
Method；
Description of symbols:
1, compressor；2, condenser；3, evaporator；4, flow regulator；5, controller；6, vent valve.
Specific embodiment
The following description and drawings fully show the specific embodiment of this paper, to enable those skilled in the art to reality
Trample them.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This
The range of the embodiment of text includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, term " first ", " second " etc. are used only for distinguishing an element and another element, without requiring
Either imply that there are any actual relationship or sequences between these elements.Actually the first element can also be referred to as second
Element, vice versa.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the structure, device or the equipment that include a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this structure, device or the intrinsic element of equipment.Do not limiting more
In the case where, the element that is limited by sentence "including a ...", it is not excluded that include the structure of the element, device or
There is also other identical elements in equipment.Each embodiment herein is described in a progressive manner, each embodiment emphasis
What is illustrated is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.
According to a first aspect of the embodiments of the present invention, a kind of method of determining target capillary is provided, air-conditioning is applied to
Model machine is debugged, Fig. 1 is a kind of structural schematic diagram of debugging air conditioner model machine shown according to an exemplary embodiment, as shown in Figure 1,
Debugging air conditioner model machine includes the evaporator 3, condenser 2 and flow regulator 4 by piping connection；Fig. 2 is according to an example
Property implement a kind of debugging air conditioner model machine method for the capillary pipe length that sets the goal really for exemplifying, as shown in Fig. 2, method packet
It includes:
S11,4 to first aperture of flow regulator is adjusted, debugging air conditioner model machine is made to be in setting working condition；
The flow of the flow regulator 4 of S12, detection in the first aperture, obtains first flow；
S13, foundation first flow, determine target capillary.
The embodiment of the present invention adjusts debugging air conditioner model machine by flow regulator 4 and is in setting working condition, works as air-conditioning
When debugging model machine in setting working condition, by obtaining the flow of the corresponding aperture of flow regulator 4, target capillary is determined
Pipe can be detached from the pipeline system of debugging air conditioner model machine due to using flow to carry out during determining target capillary completely
System evacuates gas injection operation without carrying out to pipe-line system, it is only necessary to which the specification for replacing capillary can be operated, and can shorten determining mesh
The time of capillary is marked, process is simple, time-consuming shorter.
In some optional embodiments, debugging air conditioner model machine further include: controller 5, controller 5 and flow regulator 4
Control connection；
4 to first aperture of flow regulator is adjusted, specifically:
4 to first aperture of flow regulator is adjusted by controller 5, debugging air conditioner model machine is made to be in setting work shape
State.
The aperture that flow regulator 4 is adjusted by controller 5 may make the aperture of flow regulator 4 to adjust more
Add and is easy to control.
In some optional embodiments, the model GJY1801 electronic expansion valve controller of controller 5 has 5 kinds of work
Mode, optional closing or holding aperture can be preferably to debugging air conditioners by using the controller of this model after shutdown
The piping flow of model machine is controlled, and after closing, can keep the aperture of electric expansion valve.
In some optional embodiments, flow regulator 4 is electric expansion valve or shut-off valve, and aperture regulation can be used
Stepper motor drives, wherein the minimum angles of stepper motor rotation are step, such as the aperture of electric expansion valve is 200 steps, that is, is walked
Driving electric expansion valve to turn to the 200th angular unit into motor can be intuitively by the electrical screen on 5 screen of controller
Obtain the aperture of electric expansion valve or shut-off valve.
In some optional embodiments, first flow is obtained, is specifically included:
Flow rate test is carried out to the flow regulator 4 in the first aperture using flowmeter, obtains first flow.
Wherein portable flow tester or ultrasonic flowmeter in the prior art etc. can be used in flowmeter.
In some optional embodiments, it according to first flow, determines target capillary, specifically includes:
Flow detection is carried out to capillary, capillary identical with first flow is target capillary.
By being detected to capillary, when the flow of the capillary detected is identical as first flow, that is, can determine
Obtain target capillary.
Wherein, the flow of the capillary detected is identical as first flow, is not to be strictly equal, deviation may be present,
It is all defaulted as within ± 5% identical.
In some optional embodiments, flow detection is carried out to capillary, specifically included:
Flow detection is successively carried out to multiple capillaries, according to precapillary flow is worked as, determines next hair to be detected
Tubule.
By using this detection mode, next capillary to be detected can be determined according to testing result, it can quickly really
Set the goal capillary, shortens the time for determining target capillary.
In some optional embodiments, according to precapillary flow is worked as, next capillary to be detected is determined, comprising:
When the difference in flow of precapillary flow and first flow is greater than 0, the length of next capillary to be detected is determined
Degree, which is greater than, works as precapillary length, alternatively, determining that the circulation area of next capillary to be detected is less than when precapillary
Circulation area.
Wherein, target capillary is determined for convenience, same traffic area, the capillary of different length may be selected
It is determined, or selection equal length, but the capillary of different flow area carries out the selection of target capillary.
In some optional embodiments, next capillary to be detected can be determined according to the ratio of difference in flow and first flow
The length of pipe, alternatively, determining the circulation area of next capillary to be detected.
When the ratio of difference in flow and first flow is A, then the length of next capillary to be detected and current capillary
The ratio of length need between 1-A and 1-2A, if first flow is 30L/mi n, difference in flow is 3L/mi n, i.e. A is
10%, at this time corresponding capillary pipe length be 30 millimeters, then the length of next capillary to be detected be 30 × (1-20%) and
Between 30 × (1-10%), i.e. between 24-27mm.When A is negative, such as -10%, then the length of next capillary to be detected
Between 30 × (1+10%) and 30 × (1+20%), i.e. between 33-36 millimeters.
In this way, target capillary can be quickly determined.
It is identical for length, but the capillary that discharge area is different, identical method can also be used to calculate, only
The length of capillary replaces with discharge area.
In some optional embodiments, target capillary is round tube or rectangular tube.
By the way that target capillary is used round tube or rectangular tube, first in view of cost is relatively low, can directly buy；Separately
Outside, then it is that its discharge area is easy to calculate, can be obtained by the area of conventionally calculation circle and rectangle.
In some optional embodiments, the material of target capillary is metal.
By using the capillary of metal material, it may make air-conditioning technique model machine that there is longer service life, be not easy out
The problems such as existing coolant leakage, wherein air-conditioning technique model machine refers to the electric expansion valve in debugging air conditioner model machine using target capillary
Product after pipe replacement, can be substantially reduced the cost of product, and can achieve the purpose that flow is adjusted.
According to a second aspect of the embodiments of the present invention, a kind of debugging air conditioner model machine is provided, including passing through piping connection
Evaporator 3, condenser 2, flow regulator 4 and controller 5；Controller 5 and the control of flow regulator 4 connect；Pass through control
Device 5 processed adjusts flow regulator 4, adjusts the operation working condition of debugging air conditioner model machine.
It in some optional embodiments, further include compressor 1, wherein one end of compressor 1 connects evaporator 3, the other end
Condenser 2 is connected, the pipeline between evaporator 3 and condenser 2 is equipped with flow regulator 4, and controller 5 adjusts flow and fills
4 are set to be controlled.
It in some optional embodiments, further include vent valve 6, wherein vent valve 6 is used by tee pipe fitting and pipeline connection
In refrigerant is released pipeline.
The invention is not limited to the structures for being described above and being shown in the accompanying drawings, and can not depart from its model
It encloses and carry out various modifications and change.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of method of determining target capillary is applied to debugging air conditioner model machine, which is characterized in that the debugging air conditioner model machine
Including the evaporator, condenser and flow regulator by piping connection；
Method includes:
The flow regulator is adjusted to the first aperture, the debugging air conditioner model machine is made to be in setting working condition；
The flow of the flow regulator of the detection in first aperture, obtains first flow；
According to the first flow, target capillary is determined.
2. a kind of method of determining target capillary according to claim 1, which is characterized in that the debugging air conditioner model machine
Further include: controller, the controller and flow regulator control connect；
It is described to adjust the flow regulator to the first aperture, specifically:
The flow regulator is adjusted to first aperture by controller, and the debugging air conditioner model machine is made to be in setting work
Make state.
3. a kind of method of determining target capillary according to claim 1, which is characterized in that the acquisition is first-class
Amount, specifically includes:
Flow rate test is carried out to the flow regulator in first aperture using flowmeter, obtains institute
State first flow.
4. a kind of method of determining target capillary according to claim 1, which is characterized in that described according to described first
Flow determines target capillary, specifically includes:
Flow detection is carried out to capillary, capillary identical with the first flow is target capillary.
5. a kind of method of determining target capillary according to claim 4, which is characterized in that described to be carried out to capillary
Flow detection specifically includes:
Flow detection is successively carried out to multiple capillaries, according to precapillary flow is worked as, determines next capillary to be detected.
6. a kind of method of determining target capillary according to claim 5, which is characterized in that the current capillary of foundation
The flow of pipe determines next capillary to be detected, comprising:
When the difference in flow of precapillary flow and first flow is greater than 0, determine that the length of next capillary to be detected is big
In working as precapillary length, alternatively, determining that the circulation area of next capillary to be detected is less than works as precapillary circulation
Area.
7. a kind of method of determining target capillary according to claim 1, which is characterized in that the target capillary is
Round tube or rectangular tube.
8. a kind of method of determining target capillary according to claim 1, which is characterized in that the target capillary
Material is metal.
9. a kind of debugging air conditioner model machine, which is characterized in that including adjusting dress by the evaporator, condenser, flow of piping connection
It sets and controller；
The controller and flow regulator control connect；
The flow regulator is adjusted by the controller, adjusts the operation working condition of the debugging air conditioner model machine.
10. a kind of debugging air conditioner model machine according to claim 9, which is characterized in that the flow regulator is electronics
Expansion valve or shut-off valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168750.2A CN109974350A (en) | 2019-03-06 | 2019-03-06 | A kind of method and debugging air conditioner model machine of determining target capillary pipe length |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910168750.2A CN109974350A (en) | 2019-03-06 | 2019-03-06 | A kind of method and debugging air conditioner model machine of determining target capillary pipe length |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550907A (en) * | 2020-04-07 | 2020-08-18 | 宁波奥克斯电气股份有限公司 | Air conditioner debugging system and method for determining length of capillary tube |
| CN115574495A (en) * | 2022-11-18 | 2023-01-06 | 江苏拓米洛环境试验设备有限公司 | Capillary tube calibration device system and method for variable working condition and variable flow |
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| CN106969475A (en) * | 2017-05-08 | 2017-07-21 | 青岛海尔空调器有限总公司 | Air-conditioning system adjusting method and device |
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| SU1368640A1 (en) * | 1985-10-25 | 1988-01-23 | Львовский политехнический институт им.Ленинского комсомола | Device for measuring small and microflows of gas |
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| CN115574495A (en) * | 2022-11-18 | 2023-01-06 | 江苏拓米洛环境试验设备有限公司 | Capillary tube calibration device system and method for variable working condition and variable flow |
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Application publication date: 20190705 |