CN107421154B - Outdoor unit of air source cold and hot integrated unit - Google Patents
Outdoor unit of air source cold and hot integrated unit Download PDFInfo
- Publication number
- CN107421154B CN107421154B CN201710739844.1A CN201710739844A CN107421154B CN 107421154 B CN107421154 B CN 107421154B CN 201710739844 A CN201710739844 A CN 201710739844A CN 107421154 B CN107421154 B CN 107421154B
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- China
- Prior art keywords
- tube
- heat exchange
- liquid
- outdoor unit
- pipe
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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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
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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
Abstract
The invention discloses an outdoor unit of an air source cooling and heating integrated unit, wherein one end side of a heat exchange tube of the outdoor unit is connected with a gas tube, the other end side of the heat exchange tube is connected with a variable steering channel connecting piece, the variable steering channel connecting piece comprises an outer tube and a hollow rotating body which is axially inserted in the outer tube and can rotate relative to the outer tube, the top end of the rotating body is connected with a rotating button, one side of the tube wall of the outer tube is connected with the heat exchange tube, the opposite side of the tube wall of the outer tube is connected with a liquid separation capillary tube, a connecting tube; when the rotator arrived a position, the connecting pipe can communicate with each other heat exchange tube and liquid separating capillary, and when the rotator rotated another position, the mouth of pipe of heat exchange tube and leakage fluid dram dock mutually, and the bottom of outer tube is connected and is linked together with the one end of liquid pipe, has the stop valve on the liquid pipe. The invention can realize the rapid conversion of the working modes of the outdoor unit for refrigerating in summer and supplying heat in winter by using the variable steering channel connecting piece.
Description
Technical Field
The invention relates to the technical field of refrigeration air conditioners, in particular to an outdoor unit of an air source cold and hot integrated unit.
Background
In the air source refrigeration and heat supply integrated unit, an outdoor unit is a finned tube type heat exchanger, the outdoor unit is used as an evaporator of a refrigeration system during winter heat supply circulation, low-temperature and low-pressure refrigerant liquid subjected to throttling and pressure reduction absorbs heat of external ambient air in a heat exchange tube, and is evaporated into low-temperature and low-pressure gas; the high-temperature high-pressure refrigerant gas discharged by the compressor releases heat to the external environment air in the heat exchange tube and is condensed into high-temperature high-pressure liquid. In the circulation in summer and in winter, the direction of the inlet and outlet of the refrigerant is changed, particularly, the flow direction of the evaporator with the liquid separation head and the flow direction of the condenser are changed, the common system pipeline is complex in connection, the problem of liquid collection of condensed liquid when the refrigerant is used as the condenser cannot be solved, and therefore, the development structure is simple, the circulating system is convenient to operate and control, the pipeline consumable is saved, the cost is reduced, the pipeline resistance loss is reduced, the circulating efficiency is improved, the energy is saved, the environment is protected, and the system has important significance.
Disclosure of Invention
The invention aims to provide an outdoor unit of an air source cooling and heating integrated unit aiming at the technical defects in the prior art.
The technical scheme adopted for realizing the purpose of the invention is as follows:
an outdoor unit of an air source cooling and heating integrated unit comprises an outer frame body, a fan, a heat exchange tube and an integrated fin, wherein the fan, the heat exchange tube and the integrated fin are arranged in the outer frame body and are tightly matched and assembled together through expansion, one end side of the heat exchange tube is connected with a gas tube, the other end side of the heat exchange tube is connected with a variable steering channel connecting piece, the variable steering channel connecting piece comprises an outer tube and a hollow rotating body, the hollow rotating body is axially inserted into the outer tube and can rotate relative to the outer tube, the top end of the rotating body is connected with a rotating button, one side of the tube wall of the outer tube is connected with the heat exchange tube, the opposite side of the tube wall of the outer tube is connected with a; when the rotator rotates to one position, the heat exchange tube can be communicated with the liquid separation capillary tube through the connecting tube, when the rotator rotates to the other position, the tube opening of the heat exchange tube is in butt joint with the liquid discharge opening, the bottom end of the outer tube is connected and communicated with one end of the liquid tube, and the liquid tube is provided with a stop valve.
The connecting pipe is an elastic corrugated pipe, one end of the connecting pipe in butt joint matching with the heat exchange pipe is a flared bell mouth which is adhered with an inner sealing ring, and the other end of the connecting pipe in butt joint matching with the liquid separating capillary is a necked bell mouth which is adhered with an outer sealing ring.
The outer tube is a hollow round tube, corresponding connecting orifices are formed in the positions, corresponding to the heat exchange tube and the liquid separating capillary tube, of the outer tube, and the outer tube is connected with the heat exchange tube and the liquid separating capillary tube through the connecting orifices in a welded mode.
The rotating body is a hollow circular pipe, and two insertion ports for being inserted into two ends of the connecting pipe are formed in opposite positions on the pipe wall of the rotating body.
The liquid discharge port is positioned on one side of the perpendicular direction of the central connecting line of the two inserting ports.
And the liquid pipe is provided with a stop valve, and the other end of the liquid pipe is connected with an inlet of the throttling and pressure reducing element.
The gas pipe is connected with one end of the gas connecting pipe, and the other end of the gas connecting pipe is connected with a gas return connecting pipe of the compressor in a welding mode.
And the inlet of the liquid separating capillary tube is connected with the outlet of the liquid separator in a welding manner.
The outdoor unit of the air source cold and hot integrated unit utilizes the variable steering channel connecting piece to realize the rapid change of the working modes of the outdoor unit for refrigerating in summer and supplying heat in winter; the operation is convenient, the consumed materials of the pipeline are saved, the cost is reduced, the resistance loss of the pipeline is reduced, the circulation efficiency is improved, and the energy conservation and the environmental protection are realized.
Drawings
Fig. 1 is a schematic view of an outdoor unit of an air source cooling and heating integrated unit according to the present invention.
Fig. 2 is an enlarged horizontal sectional view of the variable steering channel attachment of the present invention.
Fig. 3 is a right side view of an outdoor unit of the air source cooling and heating integrated unit according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, an outdoor unit of an air source cooling and heating integrated unit comprises an outer frame 9, a fan 10 installed in the outer frame, a heat exchange tube 6 and an integral fin 8 assembled with the heat exchange tube through expansion type close fit, wherein one end side of the heat exchange tube is connected with a gas tube 7, the above are all the structures of the existing air conditioning outdoor unit, the structure of the existing air conditioning outdoor unit is not described in detail, and the contribution of the invention is that the other end side of the heat exchange tube 6 is connected with a variable turning channel connecting piece: the variable steering channel connecting piece comprises an outer tube 2 and a hollow rotating body 13 which is axially inserted into the outer tube and can rotate relative to the outer tube, the top end of the rotating body is connected with a rotating knob 1, one side of the tube wall of the outer tube 2 is connected with the heat exchange tube 6, the opposite side of the tube wall of the outer tube is connected with a liquid separation capillary tube 3, a connecting tube 12 is radially arranged in the rotating body, and a liquid discharge port 11 is formed in the tube wall of the rotating body; when the rotator rotates to one position, the connecting pipe 12 can connect the heat exchange pipe 6 with the liquid separation capillary 3, when the rotator rotates to another position, the pipe orifice of the heat exchange pipe is connected with the liquid discharge port, the bottom end of the outer pipe is connected and communicated with one end of a liquid pipe, and the liquid pipe is provided with a stop valve 4.
The rotary knob 1 and the rotary body 13 are fixedly connected, such as welded, the rotary knob 1 is installed at the upper end of the rotary body 13, the rotary knob 1 is in sealing fit with the outer tube 2, the rotary body 13 can be rotated in the outer tube through the rotary knob 1, the rotary body 13 is axially inserted into the outer tube 2 and can rotate relative to the outer tube 2, so that when the rotary knob 1 rotates to one position, the heat exchange tube can be communicated with the liquid dividing capillary tube through the connecting tube, when the rotary knob rotates to the other position, the tube opening of the heat exchange tube is in butt joint with the liquid discharge opening, the bottom end of the outer tube is connected with and communicated with one end of the liquid tube, so that in a heating operation mode, the stop valve 4 is closed, and low-temperature and low-pressure refrigerant liquid after being throttled and depressurized by the throttling depressurization element can enter the heat exchange tube 6 through, the gas after absorbing heat evaporation is collected by the gas pipe 7 and enters the compressor through the gas connecting pipe 14; in a summer cooling operation mode, the stop valve 4 is opened, the rotary knob 1 is rotated to align the liquid discharge port 11 in the rotary body 13 with the heat exchange tubes 6, high-temperature and high-pressure gas discharged by the compressor is distributed through the gas tube 7 to enter each heat exchange tube 6, refrigerant exchanges heat with external ambient air, and condensed liquid after heat is discharged enters the rotary body 13 through the liquid discharge port 11 to be collected and enters the throttling and pressure reducing element through the liquid tube 5.
Preferably, the connecting pipe 12 is an elastic corrugated pipe, wherein one end matched with the heat exchange pipe 6 is a flared bell mouth adhered with an inner sealing ring, and the other end matched with the liquid separation capillary 3 is a necked bell mouth adhered with an outer sealing ring; the outer tube 2 is provided with corresponding orifices corresponding to the positions of the row of heat exchange tubes 6 and the liquid separating capillary tubes 3, and is respectively connected with the heat exchange tubes 6 and the liquid separating capillary tubes 3 in a welding manner.
Preferably, the rotating body 13 is a hollow circular tube, and has an opening at a corresponding position for inserting the connecting tube 12, and a liquid discharge port 11 at one side in a direction perpendicular to a central connecting line of the opening at the position for inserting the connecting tube 12. Preferably, the outer pipe 2 is a hollow round pipe, one end of the liquid pipe 5 is welded with the bottom end of the outer pipe 2, the middle of the liquid pipe is welded with the stop valve 4, and the other end of the liquid pipe is connected with an inlet of the throttling and pressure reducing element.
In the present invention, as an embodiment, the heat exchange tubes 6 are vertically arranged in a plurality of rows, each row comprises a plurality of parallel tubes, and a plurality of layers are formed when viewed from a horizontal plane, the heat exchange tubes 6 in different rows of the same layer are connected by welding connecting elbows to form a continuous S-shaped refrigerant flow channel, wherein one end of one last row of heat exchange tubes is welded to a plurality of corresponding orifices on the outer tube 2, one end of the other last row of heat exchange tubes is welded to a plurality of corresponding orifices on the gas tube 7, one end of the gas connecting tube 14 is welded to a corresponding orifice of the gas tube 7, and the other end of the gas connecting tube 14 is welded to the return and exhaust parallel connection tube of the compressor.
The integral fins 8 are multiple and consistent in size and shape, the hole orifices with the turnups formed in the surface in a stamping mode are consistent with the overall size of the heat exchange tube 6, the heat exchange tube 6 penetrates into the hole orifices corresponding to the integral fins 8 respectively, and the outer surfaces of the heat exchange tube are tightly matched with the turnups of the integral fins 8 through expansion.
The outer frame 9 is formed by welding steel plates on an upper surface, a lower surface, a left surface and a right surface, and a motor of the fan 10 is fixed on the outer frame 9.
The number and the size of the heat exchange tubes 6 and the number of the integral fins 8 are determined according to the heat exchange quantity of the outdoor unit.
Specifically, the number of the liquid separating capillary tubes 3 is multiple, the inlets of the liquid separating capillary tubes 3 are respectively connected with the corresponding outlets of the liquid separators in a welding manner, and the outlets of the liquid tubes 5 are connected with the inlets of the throttling and pressure reducing elements in a welding manner.
In a winter heat supply operation mode, the stop valve 4 is closed, the rotary knob 1 is rotated, two ends of a connecting pipe 12 in the rotary body 13 are respectively connected with the liquid separating capillary tube 3 and the heat exchange pipe 6, low-temperature and low-pressure refrigerant liquid subjected to throttling and pressure reduction by the throttling and pressure reduction element enters the heat exchange pipe 6 through the liquid separator, the liquid passes through the liquid separating capillary tube 3 and the connecting pipe 12 to exchange heat with external ambient air, and gas after heat absorption and evaporation is collected through the gas pipe 7 and then enters the compressor through the gas connecting pipe 14; in the summer cooling operation mode, the stop valve 4 is opened, the rotary knob 1 is rotated to align the liquid discharge port 11 in the rotary body 13 with the heat exchange tubes 6, high-temperature and high-pressure gas discharged by the compressor is distributed through the gas tube 7 and enters each heat exchange tube 6, the refrigerant exchanges heat with the external ambient air, and condensed liquid after heat is discharged enters the rotary body 13 through the liquid discharge port 11 and is collected, and then enters the throttling and pressure reducing element through the stop valve 4 and the liquid tube 5.
The outdoor unit of the air source cold and hot integrated unit utilizes the variable steering channel connecting piece to realize the rapid change of the working modes of the outdoor unit for refrigerating in summer and supplying heat in winter; the operation is convenient, the consumed materials of the pipeline are saved, the cost is reduced, the resistance loss of the pipeline is reduced, the circulation efficiency is improved, and the energy conservation and the environmental protection are realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An outdoor unit of an air source cooling and heating integrated unit comprises an outer frame body, a fan, a heat exchange tube and an integrated fin, wherein the fan, the heat exchange tube and the integrated fin are arranged in the outer frame body and are tightly matched and assembled together through expansion, one end side of the heat exchange tube is connected with a gas tube, and the outdoor unit is characterized in that the other end side of the heat exchange tube is connected with a variable steering channel connecting piece; when the rotator rotates to one position, the heat exchange tube can be communicated with the liquid separation capillary tube through the connecting tube, when the rotator rotates to the other position, the tube opening of the heat exchange tube is butted with the liquid discharge opening, the bottom end of the outer tube is connected and communicated with one end of the liquid tube, the liquid tube is provided with a stop valve, the other end of the liquid tube is connected with the inlet of the throttling and pressure reducing element, the gas tube is connected with one end of the gas connecting tube, and the other end of the gas connecting tube is connected with the gas return connecting tube of the compressor in a welding manner.
2. The outdoor unit of claim 1, wherein the connecting pipe is an elastic bellows, one end of the connecting pipe in butt joint with the heat exchange pipe is a flared bell mouth adhered with an inner sealing ring, and the other end of the connecting pipe in butt joint with the liquid separating capillary tube is a necked-in bell mouth adhered with an outer sealing ring.
3. The outdoor unit of an air source chiller-heater unit of claim 2, wherein the outer tube is a hollow circular tube, and the position of the outer tube corresponding to the heat exchange tube and the liquid separation capillary tube is provided with a corresponding connection orifice, and the connection orifice is welded to the tube openings of the heat exchange tube and the liquid separation capillary tube respectively.
4. The outdoor unit of an air source cooling and heating integrated unit as claimed in claim 1, wherein the rotating body is a hollow circular pipe, and two insertion ports for inserting the two ends of the connecting pipe are formed at opposite positions on a wall of the rotating body.
5. The outdoor unit of claim 4, wherein the drain outlet is located on one side of a vertical line connecting centers of the two sockets.
6. The outdoor unit of the air source cooling and heating integrated unit of claim 1, wherein an inlet of the liquid separating capillary tube is welded to an outlet of the liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710739844.1A CN107421154B (en) | 2017-08-25 | 2017-08-25 | Outdoor unit of air source cold and hot integrated unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710739844.1A CN107421154B (en) | 2017-08-25 | 2017-08-25 | Outdoor unit of air source cold and hot integrated unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107421154A CN107421154A (en) | 2017-12-01 |
| CN107421154B true CN107421154B (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710739844.1A Active CN107421154B (en) | 2017-08-25 | 2017-08-25 | Outdoor unit of air source cold and hot integrated unit |
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| Country | Link |
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| CN (1) | CN107421154B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2462310Y (en) * | 2000-11-30 | 2001-11-28 | 清华同方人工环境有限公司 | Two-way flow variable knockout |
| WO2004067138A2 (en) * | 2003-01-27 | 2004-08-12 | Battelle Memorial Institute | Methods for fluid separations, and devices capable of separating fluids |
| CN101988776A (en) * | 2009-08-05 | 2011-03-23 | 深圳市得益节能科技有限公司 | Novel plate type heat exchanger liquid divider |
| JP2012002475A (en) * | 2010-06-21 | 2012-01-05 | Mitsubishi Electric Corp | Refrigerant distributor, and heat pump device using the refrigerant distributor |
| CN203385250U (en) * | 2013-06-17 | 2014-01-08 | 南京天加空调设备有限公司 | Air-cooling pipeline type air conditioning unit provided with throttling port in distributing head |
| CN203533990U (en) * | 2013-06-09 | 2014-04-09 | 重庆美的通用制冷设备有限公司 | Distribution liquid-collection device, heat exchange system provided with distribution liquid-collection device and air-cooling unit provided with heat exchange system |
| CN207455944U (en) * | 2017-08-25 | 2018-06-05 | 天津商业大学 | A kind of outdoor unit of air source heat-cold integrated unit |
-
2017
- 2017-08-25 CN CN201710739844.1A patent/CN107421154B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2462310Y (en) * | 2000-11-30 | 2001-11-28 | 清华同方人工环境有限公司 | Two-way flow variable knockout |
| WO2004067138A2 (en) * | 2003-01-27 | 2004-08-12 | Battelle Memorial Institute | Methods for fluid separations, and devices capable of separating fluids |
| CN101988776A (en) * | 2009-08-05 | 2011-03-23 | 深圳市得益节能科技有限公司 | Novel plate type heat exchanger liquid divider |
| JP2012002475A (en) * | 2010-06-21 | 2012-01-05 | Mitsubishi Electric Corp | Refrigerant distributor, and heat pump device using the refrigerant distributor |
| CN203533990U (en) * | 2013-06-09 | 2014-04-09 | 重庆美的通用制冷设备有限公司 | Distribution liquid-collection device, heat exchange system provided with distribution liquid-collection device and air-cooling unit provided with heat exchange system |
| CN203385250U (en) * | 2013-06-17 | 2014-01-08 | 南京天加空调设备有限公司 | Air-cooling pipeline type air conditioning unit provided with throttling port in distributing head |
| CN207455944U (en) * | 2017-08-25 | 2018-06-05 | 天津商业大学 | A kind of outdoor unit of air source heat-cold integrated unit |
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| Publication number | Publication date |
|---|---|
| CN107421154A (en) | 2017-12-01 |
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Effective date of registration: 20200930 Address after: 223 Helin Road, district a, Xinjin Industrial Park, Chengdu, Sichuan Province Patentee after: CHENGDU JIADA AGRICULTURAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: No.409 Guangrong Road, Beichen District, Tianjin Patentee before: TIANJIN University OF COMMERCE |