CN106895504A - Air-conditioner outdoor unit and the control method for preventing return air - Google Patents
Air-conditioner outdoor unit and the control method for preventing return air Download PDFInfo
- Publication number
- CN106895504A CN106895504A CN201611257874.0A CN201611257874A CN106895504A CN 106895504 A CN106895504 A CN 106895504A CN 201611257874 A CN201611257874 A CN 201611257874A CN 106895504 A CN106895504 A CN 106895504A
- Authority
- CN
- China
- Prior art keywords
- air
- outdoor unit
- windband
- housing
- square set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/60—Arrangement or mounting of the outdoor unit
- F24F1/62—Wall-mounted
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
The invention discloses a kind of air-conditioner outdoor unit and prevent the control method of return air, outdoor unit includes housing (1), housing (1) is above provided with air outlet (2), air outlet (2) is coated with guard, housing (1) is additionally provided with stretchable bamboo joint type and goes out windband (4), goes out windband (4) rear end and connects and seal with air outlet (2)；The control method it is critical only that according to the temperature difference between temperature of outgoing air and return air temperature to control out the expansion degree of windband (4).The outdoor unit and control method be avoided that positioned at install station air-conditioning hot blast sucked again by return air inlet, avoid environment temperature it is too high, improve refrigeration.
Description
Technical field
It is especially a kind of air-conditioner outdoor unit and the control method for preventing return air the present invention relates to field of air conditioning.
Background technology
As shown in figure 1, air-conditioner outdoor unit is arranged in the installation station of building, it is usually by building side to install station
Wall 104 and rear wall 105 constitute gap type structure, and the housing 101 of outdoor unit is located in breach, and air outlet 102 is located at housing 101
Front end and return air inlet 103 are located at the rear end of housing 101.
The air-conditioner outdoor unit positioned at installation station of prior art also is located at peace in the presence of a larger defect, i.e. air outlet
Dress station in, and axial flow blower work when from air outlet blowout wind in constant slope, and install station side wall and after
Wall is formed an air channel with the gap of outdoor shell.So in practical work process, there is a part from air outlet
The hot blast of discharge sucks outdoor unit again through installing the air channel between station wall and housing by return air inlet, causes air-conditioning work
Environment temperature is raised, and refrigeration is deteriorated, and influences Consumer's Experience, while increasing energy consumption, does not meet the requirement of national energy-saving emission reduction.
The content of the invention
The invention solves the problems that a technical problem be to provide it is a kind of be avoided that positioned at install station air-conditioning hot blast returned
Air port sucks again, avoid that environment temperature is too high, improve the air-conditioner outdoor unit of refrigeration.
A kind of technical solution of the invention is to provide a kind of air-conditioner outdoor unit with following structure, and it includes shell
Body, is provided with air outlet before housing, air outlet is coated with guard, and housing is additionally provided with stretchable bamboo joint type and goes out windband, goes out windband
Rear end connects and seals with air outlet.
After using above structure, air-conditioner outdoor unit of the present invention compared with prior art, with advantages below.
Air-conditioning is shelved on after building installation station, technical staff will go out windband stretching manually so that go out windband
Outlet externally protrudes out in the breach for installing station, so, during operation of air conditioner, through the hot blast of air outlet discharge away from installation station, it is to avoid
Hot blast is sucked outdoor unit again through installing the air channel between station wall and housing, it is to avoid the environment temperature mistake of air-conditioning work
Height, so as to ensure normal cooling or heating effect, optimizes Consumer's Experience, and reducing energy consumption meets the demand of national energy-saving emission reduction；And
And, guard goes out the inner of windband positioned at bamboo joint type, and the benefit of so design is that its outer end is overweight after preventing out windband overhanging,
Moment of flexure increasing is formed to the load of air-conditioner housing, extends its service life.
Preferably, go out windband being made up of the square set being superimposed inside and outside multilayer, outermost square set rear end is fixed with housing, often
The inwall front end of individual square set is provided with back-up ring before a circle, and the outer wall rear end of each square set is provided with back-up ring after a circle, and each is located at outside
Square set preceding back-up ring and occupy inner side square set rear back-up ring against and two back-up rings between be provided with sealing ring, such knot
Structure, it is convenient to stretch, good sealing effect, and, when above-mentioned multiple square sets are fully retracted into, its size is also equal to one layer of square set
Thickness, this reduces the overall volume of air-conditioning, is easy to pack and transports.
As improvement, a lug is fixed with the most square set of inner side, lug is provided with screwed hole, one is fixed before housing
Individual motor, fixes a leading screw on the output shaft of motor, leading screw is screwed in the screwed hole of lug, so, actually with regard to shape
Into a ball screw assembly, when motor rotation will drive leading screw, and lug is fixed in square set and cannot rotate, therefore lug
Outermost square set will be driven along leading screw axis translation, the automatic telescopic of windband is realized out；It is such to be advantageous in that, work as air-conditioning
In the case that environment temperature is not high refrigeration or in environment temperature it is not low in the case of heat when, without overhanging windband, therefore
Bounced back, it is to avoid it is external in building wall to go out the long-term evagination of windband, prevents the interference of high-altitude junk；And environment temperature needs high
Under refrigeration or the low situation for needing to heat of environment temperature, then windband is overhang, it is to avoid air draft is sucked again.
The invention solves the problems that another technical problem be to provide it is a kind of be avoided that positioned at install station air-conditioning hot blast quilt
Return air inlet sucks again, avoid that environment temperature is too high, improve the control method for preventing return air of the air-conditioner outdoor unit of refrigeration.
A kind of technical solution of the invention is to provide a kind of control method for preventing return air of air-conditioner outdoor unit, its
Step includes：
The temperature of outgoing air and return air temperature of outdoor unit are detected since start, and calculates temperature of outgoing air and subtract return air temperature
The temperature difference；
If the temperature difference is less than or equal to the first warning value, drive motor will go out windband and be fully deployed；
If the temperature difference is simultaneously greater than the first warning value less than or equal to the second warning value, drive motor will go out windband
Launch half；
After going out windband expansion, if the temperature difference is more than critical value, inverted driven motor will go out windband retraction；
Wherein, critical value is more than the second warning value, and the second warning value is more than the first warning value.
The control principle of the above method is, if the high temperature air of air outlet is sucked back by return air inlet, temperature between the two
Difference will be reduced, and the air being sucked back into is more, and the temperature difference between the two is just smaller.By above-mentioned judgment mode, can accurately drive
Move out of windband to launch or retract, so, after there is exhaust return air, after stretching out windband, but return air temperature alleviation in time, then contract
Return back out windband, it is to avoid go out windband and externally protrude out in building wall for a long time, because going out windband excessively evagination, one is plain, and influence is built
Build thing metope attractive in appearance, two is also dangerous, may be interfered with by falling object from high altitude, there is potential safety hazard.And, more than the control method
There is provided Rule of judgment in the middle of, is exactly the second warning value, its meaning is, although there occurs return air phenomenon, but return air is not
Seriously, now, the windband that of half length is targetedly stretched out, return air is both efficiently solved the problems, such as, windband is avoided out again excessively
Evagination.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the air-conditioner outdoor unit of prior art.
Fig. 2 is the overlooking the structure diagram of air-conditioner outdoor unit of the present invention.
Fig. 3 is the enlarged section structural representation of part A in Fig. 2.
Fig. 4 is the structural representation after windband is shunk of air-conditioner outdoor unit of the present invention.
Shown in figure
The parts 101, housing of the air-conditioner outdoor unit of prior art, 102, air outlet, 103, return air inlet, 104, side wall,
105th, rear wall；
The parts 1, housing of air-conditioner outdoor unit of the invention, 2, air outlet, 3, guard, 4, go out windband, 5, square set, 6, preceding
Back-up ring, 7, rear back-up ring, 8, sealing ring, 9, lug, 10, motor, 11, leading screw.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 2, Figure 3, Figure 4, air-conditioner outdoor unit of the present invention, it includes housing 1, and housing 1 is above provided with air outlet 2.
Air outlet 2 is coated with guard 3, and housing 1 is additionally provided with stretchable bamboo joint type and goes out windband 4, goes out the rear end of windband 4 and air-out
The connection of mouth 2 and sealing.
Specifically, go out windband 4 to be made up of the square set 5 being superimposed inside and outside multilayer, the rear end of outermost square set 5 and the spiral shell of housing 1
Connect or be welded and fixed.The inwall front end of each square set 5 is provided with back-up ring 6 before a circle, after the outer wall rear end of each square set 5 is provided with a circle
Back-up ring 7, each be located at the square set 5 in outside preceding back-up ring 6 and occupy inner side square set 5 rear back-up ring 7 against and two back-up rings it
Between be provided with sealing ring 8.That is, counting from outside to inside, outermost layer is ground floor, and ground floor square set 5 is fixed with housing 1, first
The preceding back-up ring 6 of layer square set 5 blocks the rear back-up ring 7 of second layer square set 5, and the preceding back-up ring 6 of second layer square set 5 blocks third layer square set 5
Rear back-up ring 7, it is reciprocal with this.
A lug 9 for thickening is fixed with the most square set 5 of inner side, lug 9 is provided with screwed hole, and housing 1 is above fixed
One motor 10, fixes a leading screw 11 on the output shaft of motor 10, leading screw 11 is screwed in the screwed hole of lug 9.
As shown in Figure 2, Figure 3, Figure 4, the control method for preventing return air based on air-conditioner outdoor unit of the present invention, its step is such as
Under.
The temperature of outgoing air and return air temperature of outdoor unit are detected since start, and calculates temperature of outgoing air and subtract return air temperature
The temperature difference；
If the temperature difference is less than or equal to the first warning value, drive motor 10 will go out windband 4 and be fully deployed；
If the temperature difference is simultaneously greater than the first warning value less than or equal to the second warning value, drive motor 10 is by air-out
Set 4 launches half；
After going out the expansion of windband 4, if the temperature difference is more than critical value, inverted driven motor 10 will go out windband 4 and retract；
Wherein, critical value is more than the second warning value, and the second warning value is more than the first warning value.Above-mentioned critical value, first
Warning value and the second warning value are, according to different unit load and efficiency, to be summarized by rule of thumb by industry technology personnel.This reality
Apply in example, the first warning value is 7 DEG C, the second warning value is 15 DEG C, critical value is 25 DEG C.
Claims (4)
1. a kind of air-conditioner outdoor unit, it includes housing (1), and housing (1) is above provided with air outlet (2), it is characterised in that：Air outlet
(2) guard (3) is coated with, housing (1) is additionally provided with stretchable bamboo joint type and goes out windband (4), goes out windband (4) rear end and air outlet
(2) connect and seal.
2. air-conditioner outdoor unit according to claim 1, it is characterised in that：Go out square set of the windband (4) by superposition inside and outside multilayer
(5) constitute, outermost square set (5) rear end is fixed with housing (1), and the inwall front end of each square set (5) is provided with back-up ring before a circle
(6), the outer wall rear end of each square set (5) is provided with back-up ring (7) after a circle, each be located at outside square set (5) preceding back-up ring (6) with
Occupy inner side square set (5) rear back-up ring (7) against and two back-up rings between be provided with sealing ring (8).
3. air-conditioner outdoor unit according to claim 2, it is characterised in that：Most inner side square set (5) on be fixed with one it is convex
Ear (9), lug (9) is provided with screwed hole, and housing (1) above fixes a motor (10), on the output shaft of motor (10)
A leading screw (11) is fixed, leading screw (11) is screwed in the screwed hole of lug (9).
4. a kind of control method for preventing return air of the air-conditioner outdoor unit based on described in claim 3, it is characterised in that：Its step
Including：
The temperature of outgoing air and return air temperature of outdoor unit are detected since start, and calculates the temperature that temperature of outgoing air subtracts return air temperature
Difference；
If the temperature difference is less than or equal to the first warning value, drive motor (10) will go out windband (4) and be fully deployed；
If the temperature difference is simultaneously greater than the first warning value less than or equal to the second warning value, drive motor (10) will go out windband
(4) half is launched；
After going out windband (4) expansion, if the temperature difference is more than critical value, inverted driven motor (10) will go out windband (4) retraction；
Wherein, critical value is more than the second warning value, and the second warning value is more than the first warning value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257874.0A CN106895504A (en) | 2016-12-30 | 2016-12-30 | Air-conditioner outdoor unit and the control method for preventing return air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257874.0A CN106895504A (en) | 2016-12-30 | 2016-12-30 | Air-conditioner outdoor unit and the control method for preventing return air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106895504A true CN106895504A (en) | 2017-06-27 |
Family
ID=59198940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611257874.0A Pending CN106895504A (en) | 2016-12-30 | 2016-12-30 | Air-conditioner outdoor unit and the control method for preventing return air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106895504A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246670A (en) * | 2017-07-28 | 2017-10-13 | 四川长虹空调有限公司 | Air exhausting structure for air-conditioner outdoor unit |
| CN110043976A (en) * | 2019-05-21 | 2019-07-23 | 宁波奥克斯电气股份有限公司 | A kind of outdoor machine of air-conditioner heat dissipation air guide member and outdoor machine of air-conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221258A (en) * | 2010-04-14 | 2011-10-19 | 泰怡凯电器(苏州)有限公司 | Movable type air treatment device |
| CN204285665U (en) * | 2014-12-02 | 2015-04-22 | 海信（山东）空调有限公司 | A kind of air-conditioner outdoor unit |
| KR20160111207A (en) * | 2015-03-16 | 2016-09-26 | 엘지전자 주식회사 | Fractal grill and outdoor unit of air conditioner having fractal grill |
| CN206377773U (en) * | 2016-12-30 | 2017-08-04 | 宁波奥克斯电气股份有限公司 | Air-conditioner outdoor unit |
-
2016
- 2016-12-30 CN CN201611257874.0A patent/CN106895504A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221258A (en) * | 2010-04-14 | 2011-10-19 | 泰怡凯电器(苏州)有限公司 | Movable type air treatment device |
| CN204285665U (en) * | 2014-12-02 | 2015-04-22 | 海信（山东）空调有限公司 | A kind of air-conditioner outdoor unit |
| KR20160111207A (en) * | 2015-03-16 | 2016-09-26 | 엘지전자 주식회사 | Fractal grill and outdoor unit of air conditioner having fractal grill |
| CN206377773U (en) * | 2016-12-30 | 2017-08-04 | 宁波奥克斯电气股份有限公司 | Air-conditioner outdoor unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246670A (en) * | 2017-07-28 | 2017-10-13 | 四川长虹空调有限公司 | Air exhausting structure for air-conditioner outdoor unit |
| CN107246670B (en) * | 2017-07-28 | 2023-09-05 | 四川长虹空调有限公司 | Air outlet structure for air conditioner outdoor unit |
| CN110043976A (en) * | 2019-05-21 | 2019-07-23 | 宁波奥克斯电气股份有限公司 | A kind of outdoor machine of air-conditioner heat dissipation air guide member and outdoor machine of air-conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |