CN203687234U - Heat pump type split air conditioner outdoor unit and split air conditioner comprising outdoor unit - Google Patents
Heat pump type split air conditioner outdoor unit and split air conditioner comprising outdoor unit Download PDFInfo
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- CN203687234U CN203687234U CN201420065546.0U CN201420065546U CN203687234U CN 203687234 U CN203687234 U CN 203687234U CN 201420065546 U CN201420065546 U CN 201420065546U CN 203687234 U CN203687234 U CN 203687234U
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Abstract
The utility model discloses a heat pump type split air conditioner outdoor unit and a split air conditioner comprising the outdoor unit. The outdoor unit comprises a closed refrigerant loop. The closed refrigerant loop is formed by connecting a compressor, a four-way valve, a low-pressure valve, a first refrigerant allocating mechanism, an electromagnetic two-way valve, a first heat exchanging coil pipe, a first electric adjusting valve, a second refrigerant allocating mechanism, a high-pressure valve, a drying and expanding device, a second heat exchanging coil pipe, the four-way valve, a gas-liquid separator and the compressor through a refrigerant pipeline in sequence. The second refrigerant allocating mechanism is further connected with the second electric adjusting valve through the refrigerant pipeline. The first refrigerant allocating mechanism and the second electric adjusting valve comprise refrigerant pipe connectors connected with an indoor unit. The first heat exchanging coil pipe is provided with a temperature and humidity sensor. The compressor, the four-way valve, the electromagnetic two-way valve, the first electric adjusting valve, the second electric adjusting valve and the temperature and humidity sensor are respectively connected with a control module through a wire. According to the split type air conditioner provided with the outdoor unit, the indoor unit can continuously supply heat.
Description
Technical field
The utility model relates to field of heating ventilation air conditioning, especially relates to a kind of pump type heat Split type air conditioner off-premises station and comprises the Split type air conditioner of this off-premises station.
Background technology
As shown in Figure 1, when existing pump type heat Split type air conditioner is worked with cooling condition, the circulation process of its cold-producing medium (refrigerant) is:
Gas-liquid separator---compressor, (cold-producing medium is compressed into high temperature and high pressure steam)---solenoid operated four-way valve---outdoor heat exchanger, (cold-producing medium heat release is cooled to normal temperature high voltage liquid)---device for drying and filtering 1, (cold-producing medium is carried out to dry filter processing)---main capillary, (cold-producing medium step-down throttling becomes low-temp low-pressure liquid)---check valve---device for drying and filtering 2---high pressure valve---pipe joint---indoor heat exchanger, (liquid refrigerant heat absorption flashes to low temperature and low pressure steam)---pipe joint---low pressure valve---solenoid operated four-way valve---gas-liquid separator,
While work with heating condition, the circulation process of its cold-producing medium (refrigerant) is:
Gas-liquid separator---compressor, (cold-producing medium is compressed into high temperature and high pressure steam)---solenoid operated four-way valve---low pressure valve---pipe joint---indoor heat exchanger, (cold-producing medium heat release is cooled to normal temperature high voltage liquid)---pipe joint---high pressure valve---device for drying and filtering 2, (cold-producing medium is carried out to dry filter processing)---assisted capillary---main capillary, (cold-producing medium step-down throttling becomes low-temp low-pressure liquid)---device for drying and filtering 1---outdoor heat exchanger, (liquid refrigerant heat absorption flashes to low temperature and low pressure steam)---solenoid operated four-way valve---gas-liquid separator.
Existing pump type heat Split type air conditioner is in the time heating, its outdoor unit heat exchanger surface meeting frosting or icing, frost can seriously hinder the ventilation of outdoor unit heat exchanger, and direct heat between air-isolation and heat exchanger fin exchange, thereby reduce the heat-exchange capacity of outdoor unit heat exchanger, reduce air conditioner heat-production efficiency.Therefore, existing pump type heat Split type air conditioner after with heating condition work a period of time, just must convert cooling condition to, to outdoor unit heat exchanger heat supply defrost or ice-melt, after defrost or ice-melt complete substantially, then converts heating condition to by cooling condition.In the time that air-conditioner is worked with cooling condition, indoor set, to blows cold wind indoors, not only can cause indoor temperature to reduce, and also can, because of the peculiar smell of forcing defrost or ice-melt with the additional hot device of indoor electromechanics, reduce indoor air environment comfort level.In addition, the conversion of heating condition and cooling condition is that the flow direction that changes cold-producing medium by solenoid operated four-way valve realizes, and air-conditioner heats in process in the winter time, and solenoid operated four-way valve needs frequent movement, and its damage probability is larger.
Yet there are no on the market at present the pump type heat Split type air conditioner of energy continuous heating, also there are no relevant technical data.
Utility model content
First technical problem to be solved in the utility model is: a kind of pump type heat Split type air conditioner off-premises station is provided, its air-conditioner energy continuous heating is installed.
Second technical problem to be solved in the utility model be, a kind of pump type heat Split type air conditioner is provided, and it comprises above-mentioned off-premises station.
For solving first technical problem, the technical solution adopted in the utility model is: a kind of pump type heat Split type air conditioner off-premises station, comprise a closed refrigerant loop, described closed refrigerant loop by refrigerant pipe connect successively compressor, cross valve, low pressure valve, the first refrigerant distributor gear, electromagnetism two-port valve, the first heat exchange coil, the first electric control valve, the second refrigerant distributor gear, high pressure valve, dry and expansion gear, the second heat exchange coil, aforementioned cross valve, gas-liquid separator, aforementioned compressor forms; Described the second refrigerant distributor gear is also connected with the second electric control valve by refrigerant pipe; Described the first refrigerant distributor gear has comprised with the second electric control valve the refrigerant pipe interface that is connected indoor set; On described the first heat exchange coil, Temperature Humidity Sensor is installed; Described compressor, cross valve, electromagnetism two-port valve, the first electric control valve, the second electric control valve, Temperature Humidity Sensor are connected with control module by wire respectively.
Further, described the first heat exchange coil and the second heat exchange coil are two heat exchange coils or two heat exchange coils of pressing close to install on same composite heat-exchanger.
Further, described first, second refrigerant distributor gear is coolant distributor or branch pipe.
For solving second technical problem, the technical solution adopted in the utility model is: a kind of pump type heat Split type air conditioner, comprise indoor set and off-premises station, and described off-premises station is any one in above-mentioned pump type heat Split type air conditioner off-premises station.
good effect of the present utility model is:(1) while adopting pump type heat Split type air conditioner of the present utility model to heat, a part of refrigerant closed refrigerant loop in off-premises station of flowing through, other refrigerant flows into indoor set; In closed refrigerant loop in off-premises station, the first heat exchange coil is condenser, the second heat exchange coil is evaporimeter, the heat that the first heat exchange coil distributes conducts by fin and air-flow takes the second heat exchange coil to, prevent the outer surface frosting of the second heat exchange coil or freeze, thereby make air-conditioner carry out defrost and ice-melt without conversion work operating mode, realize to indoor continuous heat supply, good temperature environment in holding chamber; (2) heating efficiency of existing pump type heat Split type air conditioner is subject to outdoor temp, humidity effect very large, and in the time that outdoor temperature is lower, its heating efficiency is lower; heating capacity is difficult to meet the indoor demand to heat; thereby, conventionally also must on indoor set, install electric auxiliary heater additional, increase heat supply.The heating efficiency of the auxiliary heater of electricity is low, and efficiency, below 1.0, heats power consumption large.When the utility model pump type heat Split type air conditioner heats, because the first heat exchange coil is to the second heat exchange coil heat supply, make the second heat exchange coil in a higher outdoor temperature environment, without frosting or icing situation, realize air-conditioner continuously with heating condition operation, thereby indoor set is without installing electric auxiliary heater additional; And because the heat exchange area of off-premises station compound coil pipe increases greatly, no matter be Winter heat supply operating mode or summer cooling operating mode, all greatly improve equipment heat exchanger effectiveness, directly cause air-conditioner operational energy efficiency than improving, compare existing pump type heat Split type air conditioner Energy Efficiency Ratio, winter heating's operating mode Energy Efficiency Ratio improves approximately 5-8%, and summer, cooling condition Energy Efficiency Ratio improved approximately 5-12%.Therefore, this air-conditioner can not only meet indoor heat demand, and has reduced operation energy consumption, and energy-saving effect is obvious; (3) while adopting the utility model pump type heat Split type air conditioner to heat, cross valve is without frequent movement, and damage probability is relatively low, has improved equipment operational reliability and security.
Accompanying drawing explanation
Fig. 1 is existing pump type heat Split type air conditioner fundamental diagram.
Fig. 2 is the structural representation of the utility model embodiment mono-.
Fig. 3 is the off-premises station control module annexation figure of embodiment mono-.
Fig. 4 is embodiment refrigeration work schematic diagram in mono-summer.
Fig. 5 is embodiment mono-winter heating's fundamental diagram.
Fig. 6 is the structural representation of the utility model embodiment bis-.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment mono-
As shown in Figure 2,3, the first embodiment of the utility model pump type heat Split type air conditioner, comprises indoor set 1 and off-premises station 2, and indoor set 1 comprises indoor set heat exchanger 16, indoor machine motor 18, indoor set fan blade 17.Off-premises station 2 comprises compressor 14, cross valve 15, gas-liquid separator 13, low pressure valve 22, the first coolant distributor 24, electromagnetism two-port valve 23, composite heat-exchanger 12, the first electric control valve 19, the second electric control valve 3, the second coolant distributor 4, high pressure valve 5, the first device for drying and filtering 20, assisted capillary 7, check valve 6, main capillary 8, the second device for drying and filtering 9, off-premises station motor 10, off-premises station fan blade 11, Temperature Humidity Sensor 21.Composite heat-exchanger 12 comprises the first heat exchange coil aa and the second heat exchange coil bb.The first heat exchange coil aa and the second heat exchange coil bb drive off-premises station fan blade 11 to blow by off-premises station motor 10 jointly, and wind is first through the first heat exchange coil aa, then through the second heat exchange coil bb.The first device for drying and filtering 20, assisted capillary 7, check valve 6, main capillary 8, the common dry and expansion gear that forms off-premises station of the second device for drying and filtering 9.Closed refrigerant loop in off-premises station 2 by refrigerant pipe connect successively compressor 14, cross valve 15, low pressure valve 22, the first coolant distributor 24, electromagnetism two-port valve 23, the first heat exchange coil aa, the first electric control valve 19, the second coolant distributor 4, high pressure valve 5, dry and expansion gear, the second heat exchange coil bb, cross valve 15, gas-liquid separator 13, compressor 14 forms.The refrigerant branched pipe of the first coolant distributor 24 and the second coolant distributor 4, and the second electric control valve 3 is connected with indoor set heat exchanger 16 by refrigerant pipe, then form another refrigerant closed-loop path with off-premises station, to indoor heating (or cooling).The first heat exchange coil aa side of composite heat-exchanger 12 is provided with Temperature Humidity Sensor 21.Compressor 14, cross valve 15, electromagnetism two-port valve 23, the first electric control valve 19, the second electric control valve 3, Temperature Humidity Sensor 21 are connected with control module by wire respectively.
The operation principle of embodiment mono-is as shown in Figure 4, Figure 5:
As shown in Figure 5, heat operation principle
While opening heating condition, first control module commands cross valve 15 to carry out switching motion simultaneously, make refrigerant flow to low pressure valve 22 after compressor 14 compressions, commander opens electromagnetism two-port valve 23 and the first electric control valve 19 simultaneously, and suitably adjusts the flow of the second electric control valve 3.Refrigerant flow through the first coolant distributor 24 shunting, most of refrigerant flows to indoor set heat exchanger 16, and indoor set heat exchanger 16 is as condenser, and refrigerant is cooling at this, to indoor heating.Another fraction refrigerant flow to the first heat exchange coil aa place through electromagnetism two-port valve 23, the first heat exchange coil aa is also as condenser, refrigerant flow to the second coolant distributor 4 after this heat release, and conflux at this and the refrigerant coming from indoor set heat exchanger 16 streams, flow through together and be dried and expansion gear, flow to the second heat exchange coil bb place.The second heat exchange coil bb moves as evaporimeter, and the refrigerant in its pipe flows to compressor 14 after this heat absorption evaporation.Heat supplement the second heat exchange coil bb institute calorific requirement that refrigerant discharges at the first heat exchange coil aa place, to prevent second heat exchange coil bb place's frosting.In addition, Temperature Humidity Sensor 21 is converted into outdoor temperature humidity signal in real time data and sends control module to, according to humiture data, adjusts the first electric control valve 19 and the second electric control valve 3 apertures by control module.When adjustment, make the flow of the first electric control valve 19 and the second electric control valve 3 be inverse change, the flow of the first electric control valve 19 increases when a certain amount of, and the flow of the second electric control valve 3 just reduces same amount.It is as the same when adjusting reduces the flow of the first electric control valve 19.Thereby guarantee equipment even running.Simultaneously, control module is carried out cold medium flux and is divided timing, guarantee that the first heat exchange coil aa is slightly higher as the required additional heat of evaporimeter defrost than the second heat exchange coil bb as the heat dissipation capacity of condenser, thereby guarantee that the second heat exchange coil bb outer surface there will not be frosting or freezes, and realizes indoor set heat exchanger 16 continuously to indoor heating.
As shown in Figure 4, refrigeration work principle
In the time that embodiment mono-moves with heating condition, electromagnetism two-port valve 23 and the first electric control valve 19 are closed in control module control, and the second electric control valve 3 is opened to greatest extent.Now, the operation mechanism of embodiment mono-is identical with the refrigeration mechanism of existing pump type heat Split type air conditioner, does not repeat them here.
In embodiment mono-, the first heat exchange coil aa and the second heat exchange coil bb are two various heat exchange coil pipes of same composite heat-exchanger 12, and when air conditioner heat-production, the first heat exchange coil aa thermal loss is few.Therefore, adopting two various heat exchange coil pipes of composite heat-exchanger 12 is more excellent embodiment as the first heat exchange coil aa and the second heat exchange coil bb, but this is not restricted to and can only adopts composite heat-exchanger 12.Two separate exchangers that adopt installation to lean on very are closely come also can solve technical problem of the present utility model as the first heat exchange coil aa and the second heat exchange coil bb respectively, but can bring the inconvenient problem of cleaning.
In embodiment mono-, the first coolant distributor 24 and the second coolant distributor 4 mainly play the effect that refrigerant is shunted, and both can also substitute with branch pipe.
embodiment bis-
As shown in Figure 6, the second embodiment of a kind of pump type heat Split type air conditioner of the utility model, comprises an off-premises station 1 and multiple indoor set 3, identical with embodiment mono-of off-premises station 1.Between the plurality of indoor set 3, drag the annexation between multiple indoor sets of many Split type air conditioners identical by the annexation and existing of refrigerant pipe 2, belong to prior art.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, obviously, those skilled in the art can carry out various change modification and not depart from spirit and scope of the present utility model the utility model.If of the present utility model these are revised and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, are all belonged to protection domain of the present utility model.
Claims (4)
1. a pump type heat Split type air conditioner off-premises station, it is characterized in that, comprise a closed refrigerant loop, described closed refrigerant loop by refrigerant pipe connect successively compressor, cross valve, low pressure valve, the first refrigerant distributor gear, electromagnetism two-port valve, the first heat exchange coil, the first electric control valve, the second refrigerant distributor gear, high pressure valve, dry and expansion gear, the second heat exchange coil, aforementioned cross valve, gas-liquid separator, aforementioned compressor forms; Described the second refrigerant distributor gear is also connected with the second electric control valve by refrigerant pipe; Described the first refrigerant distributor gear has comprised with the second electric control valve the refrigerant pipe interface that is connected indoor set; On described the first heat exchange coil, Temperature Humidity Sensor is installed; Described compressor, cross valve, electromagnetism two-port valve, the first electric control valve, the second electric control valve, Temperature Humidity Sensor are connected with control module by wire respectively.
2. pump type heat Split type air conditioner off-premises station according to claim 1, is characterized in that, described the first heat exchange coil and the second heat exchange coil are two heat exchange coils or two heat exchange coils of pressing close to install on same composite heat-exchanger.
3. pump type heat Split type air conditioner off-premises station according to claim 1 and 2, is characterized in that, described first, second refrigerant distributor gear is coolant distributor or branch pipe.
4. a pump type heat Split type air conditioner, comprises indoor set and off-premises station, it is characterized in that, described off-premises station is any one in the pump type heat Split type air conditioner off-premises station described in claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065546.0U CN203687234U (en) | 2014-02-14 | 2014-02-14 | Heat pump type split air conditioner outdoor unit and split air conditioner comprising outdoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065546.0U CN203687234U (en) | 2014-02-14 | 2014-02-14 | Heat pump type split air conditioner outdoor unit and split air conditioner comprising outdoor unit |
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| CN203687234U true CN203687234U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420065546.0U Expired - Fee Related CN203687234U (en) | 2014-02-14 | 2014-02-14 | Heat pump type split air conditioner outdoor unit and split air conditioner comprising outdoor unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822314A (en) * | 2014-02-14 | 2014-05-28 | 银翔 | Heat-pump-type split air conditioner outdoor unit and split air conditioner comprising same |
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2014
- 2014-02-14 CN CN201420065546.0U patent/CN203687234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822314A (en) * | 2014-02-14 | 2014-05-28 | 银翔 | Heat-pump-type split air conditioner outdoor unit and split air conditioner comprising same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20160214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |