CN106439093B - A kind of throttle part switching device - Google Patents
A kind of throttle part switching device Download PDFInfo
- Publication number
- CN106439093B CN106439093B CN201610856882.0A CN201610856882A CN106439093B CN 106439093 B CN106439093 B CN 106439093B CN 201610856882 A CN201610856882 A CN 201610856882A CN 106439093 B CN106439093 B CN 106439093B
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- China
- Prior art keywords
- electromagnetic valve
- throttling
- valve
- capillary tube
- switching device
- Prior art date
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Links
- 238000000034 method Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K19/00—Arrangements of valves and flow lines specially adapted for mixing fluids
- F16K19/006—Specially adapted for faucets
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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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The embodiment of the invention discloses a kind of throttle part switching devices, can effectively realize the switching between air-cooled ducted air conditioner and new blower.A kind of throttle part switching device includes: new blower throttle capillary tube (1) and the air-cooled ducted air conditioner throttle capillary tube (2) being connected in parallel in circuit in the present invention；The first solenoid valve (4) are connected on the new blower throttle capillary tube (1)；Second solenoid valve (5) are connected on the air-cooled ducted air conditioner throttle capillary tube (2).
Description
Technical Field
The invention relates to the field of machinery, in particular to a throttling component switching device.
Background
The air duct machine and the fan are different only in throttling parts, the other parts are the same, in the performance simulation test process, when the machine type needs to be replaced, the whole internal machine needs to be replaced, and the machine disassembly and assembly work needs to be completed twice. After the device is used, the two types of machines can be switched at any time, so that the performance simulation experiment of the two types of machines can be realized only by carrying out one-time disassembly and assembly machine work. In the simulation test process, under similar working conditions, the switching test can be directly carried out, the stable working condition time is shortened, and the power consumption is saved.
Disclosure of Invention
The throttling component switching device provided by the invention can effectively realize switching between the air duct machine and the fresh air machine.
The invention provides a throttling part switching device, comprising:
a fresh air fan throttle capillary 1 and an air duct machine throttle capillary 2 which are connected in parallel in the circuit;
a first electromagnetic valve 4 is connected in series on the fresh air fan throttling capillary 1;
and a second electromagnetic valve 5 is connected in series on the throttle capillary 2 of the air pipe machine.
Alternatively to this, the first and second parts may,
the device also comprises an unloading valve 3, and the unloading valve 3 is connected in parallel with the fresh air fan throttling capillary 1 and the tuber pipe throttling capillary 2 in a circuit.
Alternatively to this, the first and second parts may,
the unloading valve 3 comprises a mechanical automatic control one-way unloading valve.
The invention also provides a throttling method, which comprises the following steps:
in a refrigeration mode, when the temperature range is 50-38 ℃, the first electromagnetic valve 4 and the second electromagnetic valve 5 are communicated;
or,
in the heating mode, when the temperature ranges from 30 ℃ to 18 ℃, the first electromagnetic valve 4 and the second electromagnetic valve 5 are communicated.
The invention has the following beneficial effects:
the invention relates to a throttling component switching device, which comprises: a fresh air fan throttle capillary tube and an air duct machine throttle capillary tube 2 which are connected in parallel in the circuit; a first electromagnetic valve 4 is connected in series on the fresh air fan throttling capillary 1; and a second electromagnetic valve 5 is connected in series on the throttle capillary 2 of the air pipe machine. Because the new fan and the ducted air conditioner are different only in throttling part, when the first electromagnetic valve 4 is closed and the second electromagnetic valve 5 is opened, the new fan throttling capillary tube 1 is connected into the circuit, and the system is in a new fan mode at the moment, and similarly, when the second electromagnetic valve 5 is closed and the first electromagnetic valve 4 is opened, the ducted air conditioner throttling capillary tube 2 is connected into the circuit, and the system is in a ducted air conditioner mode at the moment. Therefore, the effect of freely switching the modes of the air duct machine and the fresh air fan is achieved, and the technical problem is effectively solved.
Drawings
FIG. 1 is a schematic structural diagram of a throttling component switching device according to the present invention;
Detailed Description
The throttling component switching device provided by the invention can effectively realize switching between the air duct machine and the fresh air machine.
Referring to fig. 1, a throttle member switching device according to the present invention includes:
a fresh air fan throttle capillary 1 and an air duct machine throttle capillary 2 which are connected in parallel in the circuit;
a first electromagnetic valve 4 is connected in series on the fresh air fan throttling capillary 1;
and a second electromagnetic valve 5 is connected in series on the throttle capillary 2 of the air pipe machine.
In this embodiment, because the new fan and the ducted air conditioner are different only in throttling portion, when the first electromagnetic valve 4 is closed and the second electromagnetic valve 5 is opened, the new fan throttling capillary 1 is connected into the circuit, and the system is in a new fan mode at this time, and similarly, when the second electromagnetic valve 5 is closed and the first electromagnetic valve 4 is opened, the ducted air conditioner throttling capillary 2 is connected into the circuit, and the system is in a ducted air conditioner mode at this time. Therefore, the effect of freely switching the modes of the air duct machine and the fresh air fan is achieved, and the technical problem is effectively solved.
The device also comprises an unloading valve 3, and the unloading valve 3 is connected in parallel with the fresh air fan throttling capillary 1 and the tuber pipe throttling capillary 2 in a circuit.
The unloading valve is a valve that can unload the hydraulic pump under a certain condition. The unloading valve is usually an overflow valve with a two-position two-way valve, and has the functions of setting the main pressure of the system when the unloading is not carried out, and when pressure oil in the unloading state directly returns to an oil tank, the pressure of the oil pump is reduced to be approximately zero, so that loop control is realized, the service life of the oil pump is prolonged, and the power consumption is reduced. In the loop belonging to the merging loop. The pressure relief valve, which is used to adjust the pressure required by the actuator, is in series in the circuit and is not generally interchangeable.
The unloading valve 3 includes but is not limited to a mechanical automatic control one-way unloading valve.
The invention also provides a throttling method, which applies the throttling component switching device and comprises the following steps:
when the unit is used as a fresh air machine, under a large cold working condition, within a temperature range of 38-50 ℃, under a large hot working condition, within a temperature range of 18-30 ℃, the first electromagnetic valve 4 is electrified, the second electromagnetic valve 5 is electrified, the inner diameter of the capillary tube is increased at the moment, the effect of reducing the pressure of a high-pressure side can be achieved, and if the pressure is further increased, the unloading valve is opened to release the pressure again; under other working conditions, the first electromagnetic valve 4 is powered on, and the second electromagnetic valve 5 is powered off;
when the unit is used as a blast pipe machine, under the large cold working condition, the temperature range of 38-48 ℃, the large hot working condition and the temperature range of 18-30 ℃, the first electromagnetic valve 4 is electrified, the second electromagnetic valve 5 is electrified, the inner diameter of the capillary is increased at the moment, the effect of reducing the pressure of the high-pressure side can be achieved, and if the pressure is further increased, the unloading valve is opened to release the pressure again; under other working conditions, the first electromagnetic valve 4 is electrified, and the second electromagnetic valve 5 is powered off.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the apparatus described above may refer to the corresponding process in the foregoing method embodiment, and is not described herein again. In the several embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other ways.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A throttling component auto-change over device for new fan and tuber pipe machine which characterized in that includes:
a fresh air fan throttling capillary tube (1) and an air duct machine throttling capillary tube (2) which are connected in parallel in the pipeline;
a first electromagnetic valve (4) is connected in series on the fresh air fan throttling capillary (1);
a second electromagnetic valve (5) is connected in series on the throttle capillary (2) of the air pipe machine;
in a refrigeration mode, when the temperature range is 38-50 ℃, the first electromagnetic valve (4) and the second electromagnetic valve (5) are communicated;
or,
in the heating mode, when the temperature ranges from 18 ℃ to 30 ℃, the first electromagnetic valve (4) and the second electromagnetic valve (5) are communicated.
2. The throttling member switching device according to claim 1,
the throttling component switching device further comprises an unloading valve (3), and the unloading valve (3) is connected in parallel with the fresh air fan throttling capillary tube (1) and the air duct machine throttling capillary tube (2) in a pipeline.
3. The throttling member switching device according to claim 2, wherein the unloading valve (3) comprises a mechanically automatically controlled one-way unloading valve.
4. A throttling method using the throttling part switching apparatus according to any one of claims 1 to 3, characterized by comprising:
in a refrigeration mode, when the temperature range is 38-50 ℃, the first electromagnetic valve (4) and the second electromagnetic valve (5) are communicated;
or,
in the heating mode, when the temperature ranges from 18 ℃ to 30 ℃, the first electromagnetic valve (4) and the second electromagnetic valve (5) are communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856882.0A CN106439093B (en) | 2016-09-27 | 2016-09-27 | A kind of throttle part switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856882.0A CN106439093B (en) | 2016-09-27 | 2016-09-27 | A kind of throttle part switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106439093A CN106439093A (en) | 2017-02-22 |
| CN106439093B true CN106439093B (en) | 2019-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856882.0A Active CN106439093B (en) | 2016-09-27 | 2016-09-27 | A kind of throttle part switching device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106439093B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623544A (en) * | 2019-12-02 | 2020-09-04 | 浙江和利制冷设备有限公司 | Dual-working-condition refrigerating system |
| CN113859503A (en) * | 2021-10-28 | 2021-12-31 | 广州文冲船厂有限责任公司 | Adjusting system of ship fresh-water making device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5092134A (en) * | 1989-08-18 | 1992-03-03 | Mitsubishi Denki Kabushiki Kaisha | Heating and cooling air conditioning system with improved defrosting |
| CN2395229Y (en) * | 1999-08-10 | 2000-09-06 | 李永强 | Household central air conditioner with multiple compressors |
| CN200943981Y (en) * | 2006-08-14 | 2007-09-05 | 王卫民 | Throttle device for hot pump air conditioner set |
| CN102261776A (en) * | 2011-07-02 | 2011-11-30 | 广东美的电器股份有限公司 | Throttling device of frequency conversion refrigerating system |
-
2016
- 2016-09-27 CN CN201610856882.0A patent/CN106439093B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5092134A (en) * | 1989-08-18 | 1992-03-03 | Mitsubishi Denki Kabushiki Kaisha | Heating and cooling air conditioning system with improved defrosting |
| CN2395229Y (en) * | 1999-08-10 | 2000-09-06 | 李永强 | Household central air conditioner with multiple compressors |
| CN200943981Y (en) * | 2006-08-14 | 2007-09-05 | 王卫民 | Throttle device for hot pump air conditioner set |
| CN102261776A (en) * | 2011-07-02 | 2011-11-30 | 广东美的电器股份有限公司 | Throttling device of frequency conversion refrigerating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106439093A (en) | 2017-02-22 |
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Address after: 510000 No.1 by helongsha villager group, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Kaili HVAC Co.,Ltd. Address before: 510000 No.1 by helongsha villager group, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG CHIGO HEATING AND VENTILATION EQUIPMENT Co.,Ltd. |
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