CN202973381U - Air conditioner external unit and air conditioner - Google Patents
Air conditioner external unit and air conditioner Download PDFInfo
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- CN202973381U CN202973381U CN201220717254.1U CN201220717254U CN202973381U CN 202973381 U CN202973381 U CN 202973381U CN 201220717254 U CN201220717254 U CN 201220717254U CN 202973381 U CN202973381 U CN 202973381U
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Abstract
The utility model provides an air conditioner external unit and an air conditioner. The air conditioner external unit comprises a casing, a compressor, a condenser and a bypass flow-controlling device. The compressor and the condenser are positioned in the casing, and are respectively connected with an evaporator of the air conditioner to form a coolant circuit. A first flow controller is arranged between the condenser and the evaporator, and is connected with the bypass flow-controlling device in parallel. The bypass flow-controlling device comprises an unloading valve and a second flow controller, and is positioned in the casing. The unloading valve and the second flow controller are connected in series. Since the bypass flow-controlling device is straightly connected with the first flow controller in parallel, the compressor is prevented from being stepping over, and requirement of minimization is met; and space in the casing is sufficiently utilized by the bypass flow-controlling device, pipe interference is effectively reduced, and noise of the air conditioner external unit is decreased.
Description
Technical field
The utility model relates to air-conditioning equipment, relates in particular to a kind of air-conditioner outdoor unit and air-conditioning.
Background technology
Due to the aggravation of market competition, each air-conditioning manufacturer is to reduce the air-conditioner cost as main competitive method.One of R﹠D direction of falling cost is the off-premises station miniaturization.The existing outdoor casing miniaturization of household machine has become development trend, and when limit high temperature, the outdoor system high-pressure has the hidden danger over each parts pressure limit of system like this.In order to solve this technical barrier, can adopt unloader to unload high-pressure, reach the purpose of security of system, present existing technical scheme is generally increases by one section by-passing part between condensator outlet and compressor suction duct, and the part of this section bypass is comprised of unloader and capillary.When system pressure was higher, a cold-producing medium part was by former throttling device completion system circulation, and another part is got back to compressor by unloader and the capillary bypass of opening, and reduces in this way outdoor high side pressure.As from the foregoing, distant due between condensator outlet and compressor suction duct, by-passing part need to be crossed over the compressor setting, and in general the size of off-premises station casing all determines, after by-passing part leap compressor arranges, cause pipeline mutually to interfere, cause that outdoor noise exceeds standard and extraordinary noise, cause the off-premises station noise excessive.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of air-conditioner outdoor unit and air-conditioning are provided, solve the excessive defective of putting of off-premises station noise in prior art, realize reducing phenomenon that in air-conditioner outdoor unit, pipeline interferes to reduce noise.
For achieving the above object, the utility model provides a kind of air-conditioner outdoor unit, comprise shell, compressor and condenser, described compressor and described condenser are arranged in described shell, described compressor, described condenser are connected to form the refrigerant loop with the evaporimeter of air-conditioning respectively, be provided with the first throttle device between described condenser and described evaporimeter, also comprise the bypass throttle device that is connected in parallel on described first throttle device, described bypass throttle device comprises unloader and the second flow controller that is cascaded, and described bypass throttle device is arranged in described shell.
Further, described first throttle device is bidirectional throttling valve, and described the second flow controller is one-way throttle valve.
Further, the spool latus rectum of described bidirectional throttling valve is less than the spool latus rectum of described one-way throttle valve.
Further, the condensation side steady pressure value of described one-way throttle valve is between the conducting force value and closing presure value of described unloader.
a kind of air-conditioning, comprise indoor set and off-premises station, be provided with evaporimeter in described indoor set, described off-premises station comprises shell, compressor and condenser, described compressor and described condenser are arranged in described shell, described compressor, described condenser is connected to form the refrigerant loop with the evaporimeter of air-conditioning respectively, be provided with the first throttle device between described condenser and described evaporimeter, also comprise the bypass throttle device that is connected in parallel on described first throttle device, described bypass throttle device comprises unloader and the second flow controller that is cascaded, described bypass throttle device is arranged in described shell.
Further, described first throttle device is bidirectional throttling valve, and described the second flow controller is one-way throttle valve.
Further, the spool latus rectum of described bidirectional throttling valve is less than the spool latus rectum of described one-way throttle valve.
Further, the condensation side steady pressure value of described one-way throttle valve is between the conducting force value and closing presure value of described unloader.
The air-conditioner outdoor unit that the utility model provides and air-conditioning, by bypass throttle device in parallel on the first throttle device, the pressure of first throttle device condenser side higher than the bypass throttle device in during the conducting force value of unloader, after the unloader conducting, the high pressure refrigerant of exporting from condenser carries out throttling by the second flow controller, effectively reduces the pressure of condenser side; Because the bypass throttle device is directly parallel on the first throttle device, the situation of compressor can not occur crossing over, more meet the requirement of miniaturization, the bypass throttle device can take full advantage of the space in shell, effectively reduce the phenomenon that the pipeline interference occurs, realize reducing the noise of air-conditioner outdoor unit.
Description of drawings
Fig. 1 is the schematic diagram of the utility model air-conditioning embodiment;
Fig. 2 is the partial structurtes schematic diagram of the utility model air-conditioning embodiment.
As Fig. 1-shown in Figure 2, shell 10, compressor 1, condenser 2, first throttle device 3, bypass throttle device 4, unloader 41, the second flow controller 42, evaporimeter 5.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As Fig. 1-shown in Figure 2, the present embodiment air-conditioner outdoor unit, comprise shell 10, compressor 1 and condenser 2, compressor 1 and condenser 2 are arranged in shell 10, compressor 1, condenser 2 are connected to form the refrigerant loop with the evaporimeter 5 of air-conditioning respectively, be provided with first throttle device 3 between condenser 2 and evaporimeter 5, also comprise the bypass throttle device 4 that is connected in parallel on first throttle device 3, bypass throttle device 4 comprises unloader 41 and the second flow controller 42 that is cascaded, and bypass throttle device 4 is arranged in shell 10.Bypass throttle device 4 is connected in parallel on first throttle device 3, when the on high-tension side force value of condenser 2 in the present embodiment air-conditioner outdoor unit during greater than the conducting force value of unloader 41, unloader 41 just can carry out throttling by the second flow controller 42 with conducting, to reduce the on high-tension side pressure of condenser 2.Wherein, first throttle device 3 is bidirectional throttling valve, and the second flow controller 42 is one-way throttle valve.And unloader connects condenser, and one-way throttle valve connects evaporimeter.Preferably, the spool latus rectum of bidirectional throttling valve is less than the spool latus rectum of one-way throttle valve.In addition, the condensation side steady pressure value of one-way throttle valve is between the conducting force value and closing presure value of unloader.
by bypass throttle device 4 in parallel on first throttle device 3, be connected in parallel on the both ends of first throttle device 3 after unloader 41 in bypass throttle device 4 and the second flow controller 42 series connection, bypass throttle device 4 is positioned at a side of first throttle device 3, and need not to cross over compressor, the length of pipeline in the bypass throttle device 4 that dwindles on the one hand, reduce the phenomenon that occurs interfering between pipeline, thereby reduction noise, bypass throttle device 4 has effectively utilized the inner space of shell 10 on the other hand, bypass throttle device 4 is together placed side by side with first throttle device 3, can effectively dwindle the volume of shell 10, and more convenient pipeline is reasonably arranged in shell 10.And employing bidirectional throttling valve and one-way throttle valve can facilitate the assembling of the present embodiment air-conditioner outdoor unit, and choke valve has better restriction effect; And the spool latus rectum by bidirectional throttling valve is set is less than the spool latus rectum of one-way throttle valve, can guarantee at condenser 2 high side pressures when too high, the refrigerant that flows out in condenser 2 carries out throttling through one-way throttle valve, can reduce fast and effectively the on high-tension side pressure of condenser 2 by one-way throttle valve.And by unloader 41 being connected to a side of condenser 2, can guarantee under the prerequisite that unloader 41 is opened, carry out throttling by one-way throttle valve.In addition, for fear of unloader 41 frequent start-stops, the condensation side steady pressure value of one-way throttle valve is between the conducting force value and closing presure value of unloader 41, when condenser 2 high side pressure values during greater than the conducting force value of unloader 41, one-way throttle valve can make the force value of condenser 2 maintain between conducting force value and closing presure value, avoid unloader 41 frequent start-stops and cause its infringement, improved the reliability of the present embodiment air-conditioner outdoor unit, extended service life.
The utility model also provides a kind of air-conditioning, comprise indoor set and off-premises station, be provided with evaporimeter in indoor set, off-premises station comprises shell, compressor and condenser, compressor and condenser are arranged in shell, compressor, condenser are connected to form the refrigerant loop with the evaporimeter of air-conditioning respectively, be provided with the first throttle device between condenser and evaporimeter, also comprise the bypass throttle device that is connected in parallel on the first throttle device, the bypass throttle device comprises unloader and the second flow controller that is cascaded, and the bypass throttle device is arranged in shell.Wherein, off-premises station can adopt the air-conditioner outdoor unit in the utility model air-conditioner outdoor unit embodiment, and its concrete structure can referring to the record of the utility model air-conditioner outdoor unit embodiment and accompanying drawing 1-Fig. 2, not repeat them here.
The air-conditioner outdoor unit that the utility model provides and air-conditioning, by bypass throttle device in parallel on the first throttle device, the pressure of first throttle device condenser side higher than the bypass throttle device in during the conducting force value of unloader, after the unloader conducting, the high pressure refrigerant of exporting from condenser carries out throttling by the second flow controller, effectively reduces the pressure of condenser side; Because the bypass throttle device is directly parallel on the first throttle device, the situation of compressor can not occur crossing over, more meet the requirement of miniaturization, the bypass throttle device can take full advantage of the space in shell, effectively reduce the phenomenon that the pipeline interference occurs, realize reducing the noise of air-conditioner outdoor unit.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. air-conditioner outdoor unit, comprise shell, compressor and condenser, described compressor and described condenser are arranged in described shell, described compressor, described condenser are connected to form the refrigerant loop with the evaporimeter of air-conditioning respectively, be provided with the first throttle device between described condenser and described evaporimeter, it is characterized in that, also comprise the bypass throttle device that is connected in parallel on described first throttle device, described bypass throttle device comprises unloader and the second flow controller that is cascaded, and described bypass throttle device is arranged in described shell.
2. air-conditioner outdoor unit according to claim 1, is characterized in that, described first throttle device is bidirectional throttling valve, and described the second flow controller is one-way throttle valve.
3. air-conditioner outdoor unit according to claim 2, is characterized in that, the spool latus rectum of described bidirectional throttling valve is less than the spool latus rectum of described one-way throttle valve.
4. according to claim 1-3 arbitrary described air-conditioner outdoor units, is characterized in that, the condensation side steady pressure value of described one-way throttle valve is between the conducting force value and closing presure value of described unloader.
5. air-conditioning, comprise indoor set and off-premises station, be provided with evaporimeter in described indoor set, described off-premises station comprises shell, compressor and condenser, described compressor and described condenser are arranged in described shell, described compressor, described condenser is connected to form the refrigerant loop with the evaporimeter of air-conditioning respectively, be provided with the first throttle device between described condenser and described evaporimeter, it is characterized in that, also comprise the bypass throttle device that is connected in parallel on described first throttle device, described bypass throttle device comprises unloader and the second flow controller that is cascaded, described bypass throttle device is arranged in described shell.
6. air-conditioning according to claim 5, is characterized in that, described first throttle device is bidirectional throttling valve, and described the second flow controller is one-way throttle valve.
7. air-conditioning according to claim 6, is characterized in that, the spool latus rectum of described bidirectional throttling valve is less than the spool latus rectum of described one-way throttle valve.
8. according to claim 5-7 arbitrary described air-conditionings, is characterized in that, the condensation side steady pressure value of described one-way throttle valve is between the conducting force value and closing presure value of described unloader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220717254.1U CN202973381U (en) | 2012-12-24 | 2012-12-24 | Air conditioner external unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220717254.1U CN202973381U (en) | 2012-12-24 | 2012-12-24 | Air conditioner external unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202973381U true CN202973381U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220717254.1U Expired - Fee Related CN202973381U (en) | 2012-12-24 | 2012-12-24 | Air conditioner external unit and air conditioner |
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| Country | Link |
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| CN (1) | CN202973381U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990511A (en) * | 2019-04-30 | 2019-07-09 | 宁波奥克斯电气股份有限公司 | A kind of throttling set and air conditioner |
| CN110056983A (en) * | 2019-04-30 | 2019-07-26 | 邯郸美的制冷设备有限公司 | Air-conditioning system, the control method of air-conditioning system and storage medium |
| CN111306850A (en) * | 2019-12-30 | 2020-06-19 | 中山长虹电器有限公司 | Throttling system with unloading valve |
| WO2021143744A1 (en) * | 2020-01-19 | 2021-07-22 | 青岛海尔空调电子有限公司 | Method for controlling multi-split air-conditioning system |
-
2012
- 2012-12-24 CN CN201220717254.1U patent/CN202973381U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990511A (en) * | 2019-04-30 | 2019-07-09 | 宁波奥克斯电气股份有限公司 | A kind of throttling set and air conditioner |
| CN110056983A (en) * | 2019-04-30 | 2019-07-26 | 邯郸美的制冷设备有限公司 | Air-conditioning system, the control method of air-conditioning system and storage medium |
| CN111306850A (en) * | 2019-12-30 | 2020-06-19 | 中山长虹电器有限公司 | Throttling system with unloading valve |
| WO2021143744A1 (en) * | 2020-01-19 | 2021-07-22 | 青岛海尔空调电子有限公司 | Method for controlling multi-split air-conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20181224 |