CN204373073U - Air-conditioner - Google Patents

Air-conditioner Download PDF

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Publication number
CN204373073U
CN204373073U CN201420770969.2U CN201420770969U CN204373073U CN 204373073 U CN204373073 U CN 204373073U CN 201420770969 U CN201420770969 U CN 201420770969U CN 204373073 U CN204373073 U CN 204373073U
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CN
China
Prior art keywords
port
valve
refrigerant flow
conditioner
way throttle
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Withdrawn - After Issue
Application number
CN201420770969.2U
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Chinese (zh)
Inventor
韩宇
李金波
陈明瑜
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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Publication date
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Priority to CN201420770969.2U priority Critical patent/CN204373073U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The utility model discloses a kind of air-conditioner, comprising: compressor, commutation assembly, outdoor heat exchanger, indoor heat exchanger, the first one-way throttle valve, the second one-way throttle valve, the first refrigerant flow be connected in parallel and the second refrigerant flow, electric radiator assembly.First one-way throttle valve comprises the first valve port and the second valve port, and the first valve port is connected with outdoor heat exchanger.Second one-way throttle valve comprises the 3rd valve port and the 4th valve port, and the 3rd valve port is connected with indoor heat exchanger.First refrigerant flow and the second refrigerant flow are connected between the second valve port and the 4th valve port respectively, and the first refrigerant flow is in series with control valve.Electric radiator assembly comprises electric control element and radiating subassembly, and radiating subassembly is connected on the first refrigerant flow.Air-conditioner of the present utility model, avoid on electric control element, produce condensation water and the temperature of electric control element is fallen too low.

Description

Air-conditioner
Technical field
The utility model relates to air-conditioning technical field, specifically, particularly relates to a kind of air-conditioner.
Background technology
Along with the development of air-conditioning technical, convertible frequency air-conditioner obtains general application in industry.But in the automatically controlled control system in the outdoor of transducer air conditioning, frequency-variable module heating is large, limits compressor high frequency in high temperature environments and runs.The automatically controlled radiating mode that Most current uses, mostly is metal fin and is dispelled the heat by cross-ventilation.But under outdoor high temperature environment, the heat radiation of this radiating mode is poor, usual way reduces automatically controlled heating by reducing compressor operation frequency to ensure that air-conditioner normally runs.Have impact on the refrigeration of convertible frequency air-conditioner in the higher situation of outdoor application environment temperature greatly, affect user's comfort.Existing exist the too low problem producing condensation water or automatically controlled for off-premises station temperature fallen to the technology of the automatically controlled heat radiation of off-premises station by low temperature refrigerant, and in the process heating defrost, can cause thermal shock, affect automatically controlled dependability and safety to automatically controlled.If publication number is CN102844980, name is called refrigerating plant, and not only refrigerant system design complexity, poor in processability, programme-control complexity and cost are high, are difficult to form product.And the heat of the refrigerant absorbed power device using a throttling part may be there is during kind of refrigeration cycle, larger to efficiency loss.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of air-conditioner, avoid on electric control element, produce condensation water and the temperature of electric control element is fallen too low, reliability and the security of electric control element can be improved.
According to air-conditioner of the present utility model, comprising: compressor, described compressor has exhaust outlet and gas returning port; Commutation assembly, described commutation assembly comprises the first port to the 4th port, one of them conducting in described first port and the second port and the 3rd port, another conducting in described 4th port and described second port and described 3rd port, described first port is connected with described exhaust outlet, and described 4th port is connected with described gas returning port; Outdoor heat exchanger and indoor heat exchanger, the first end of described outdoor heat exchanger is connected with described second port, and the first end of described indoor heat exchanger is connected with described 3rd port; First one-way throttle valve, described first one-way throttle valve comprises the first valve port and the second valve port, described first valve port is connected with the second end of described outdoor heat exchanger, on from described first valve port to the circulating direction of described second valve port, the complete conducting of described first one-way throttle valve, on from described second valve port to the circulating direction of described first valve port, described first one-way throttle valve is throttle part; Second one-way throttle valve, described second one-way throttle valve comprises the 3rd valve port and the 4th valve port, described 3rd valve port is connected with the second end of described indoor heat exchanger, on from described 3rd valve port to the circulating direction of described 4th valve port, the complete conducting of described second one-way throttle valve, on from described 4th valve port to the circulating direction of described 3rd valve port, described second one-way throttle valve is throttle part; The first refrigerant flow be connected in parallel and the second refrigerant flow, described first refrigerant flow and described second refrigerant flow are connected between described second valve port and described 4th valve port respectively, described first refrigerant flow are in series with the control valve of the cold medium flux for controlling described first refrigerant flow; Electric radiator assembly, described electric radiator assembly comprises electric control element and the radiating subassembly for dispelling the heat to described electric control element, and described radiating subassembly is connected on described first refrigerant flow.
According to air-conditioner of the present utility model, by being provided with the first one-way throttle valve, the second one-way throttle valve, control valve and radiating subassembly, when refrigeration mode, close or a little more than environment temperature the refrigerant of temperature can be made to flow through radiating subassembly to dispel the heat to electric control element.Effectively (even if when environment temperature is higher) can be dispelled the heat to electric control element thus when not reducing the operating frequency of compressor, thus the refrigeration of air-conditioner in the higher situation of environment temperature can be guaranteed, improve user's comfort.
And, due to the temperature that flows into the refrigerant of radiating subassembly close to or a little more than environment temperature, therefore can avoid on electric control element, produce condensation water and the temperature of electric control element is fallen too low, thus reliability and the security of electric control element can be improved.When heating mode, when control valve is opened, the temperature entering into the refrigerant of electric control element close to or a little more than environment temperature, can avoid on electric control element, produce condensation water and the temperature of electric control element is fallen too low, when control valve is closed, the refrigerant of discharging from the second one-way throttle valve 8 is drained into outdoor heat exchanger by the second refrigerant flow, can prevent condensed water from producing, the reliability of electric control element when ensureing that air conditioner heat-production runs.
Preferably, described commutation assembly is cross valve.
In embodiments more of the present utility model, described radiating subassembly comprises: radiating tube, and described radiating tube is connected on described first refrigerant flow; Radiation shell, described radiating tube is located on described radiation shell, and described radiation shell contacts with described electric control element and is used for dispelling the heat to described electric control element.
Particularly, described radiation shell comprises: heat-radiating substrate, and described heat-radiating substrate contacts with described electric control element; Fixed dam, described fixed dam is located on described heat-radiating substrate, limits the spatial accommodation for holding described radiating tube between described fixed dam and described heat-radiating substrate.
In concrete examples more of the present utility model, the two ends of described radiating tube stretch out to be connected on described first refrigerant flow from the opposing sidewalls of described radiation shell respectively.
In other concrete examples of the present utility model, the two ends of described radiating tube stretch out to be connected on described first refrigerant flow from the same side of described radiation shell respectively.
According to embodiments more of the present utility model, described fixed dam is provided with fixed leg, and described heat-radiating substrate is provided with fixing hole, and described fixed leg is connected with described fixing hole riveted.
In further embodiment of the present utility model, air-conditioner also comprises the temperature-detecting device for detecting described electric control element temperature, described electric control element is electrically connected with described temperature-detecting device and described control valve respectively, and described electric control element controls the aperture of described control valve according to the testing result of described temperature-detecting device.
Alternatively, described control valve is magnetic valve or electric expansion valve.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the air-conditioner according to the utility model embodiment;
Fig. 2 is the schematic diagram of the first one-way throttle valve according to the utility model embodiment;
Fig. 3 is the schematic diagram of the electric radiator assembly according to the utility model embodiment;
Fig. 4 is the schematic diagram of the electric radiator assembly according to another embodiment of the utility model.
Reference numeral:
Air-conditioner 100,
Compressor 1, exhaust outlet a, gas returning port b,
Commutation assembly 2, first port c, the second port d, the 3rd port e, the 4th port f,
Outdoor heat exchanger 3, indoor heat exchanger 4,
Control valve 5,
Electric radiator assembly 6, electric control element 60, radiating subassembly 61, radiating tube 601, radiation shell 602, heat-radiating substrate 6020, fixed dam 6021,
First one-way throttle valve 7, first valve port m, the second valve port n, housing 163, chamber 1631, spool 164, passage 1641, first paragraph 1642, second segment 1643, intercommunicating pore 1644, movable part 165, throttling passage 1651,
Second one-way throttle valve 8, the 3rd valve port h, the 4th valve port j, the first refrigerant flow 9, second refrigerant flow 10.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Describe the air-conditioner 100 according to the utility model embodiment in detail below with reference to Fig. 1-Fig. 4, wherein air-conditioner 100 has heating mode, refrigeration mode and heating and defrosting pattern.
As shown in Figure 1, according to the air-conditioner 100 of the utility model embodiment, comprising: compressor 1, commutation assembly 2, outdoor heat exchanger 3, indoor heat exchanger 4, first refrigerant flow 9, second refrigerant flow 10, electric radiator assembly 6, first one-way throttle valve 7 and the second one-way throttle valve 8.Wherein, compressor 1 has exhaust outlet a and gas returning port b, needs to be described, and the structure of compressor 1 and operation principle etc. are prior art, are just not described in detail here.
Commutation assembly 2 comprises the first port c, the second port d, the 3rd port e and the 4th port f, one of them conducting in first port c and the second port d and the 3rd port e, another conducting in 4th port f and the second port d and the 3rd port e, first port c is connected with exhaust outlet a, and the 4th port f is connected with gas returning port b.That is, when the first port c is communicated with the second port d, the 4th port f is communicated with the 3rd port e.When the first port c is communicated with the 3rd port e, the 4th port f is communicated with the second port d.
The first end of outdoor heat exchanger 3 is connected with the second port d, and the first end of indoor heat exchanger 4 is connected with the 3rd port e.
First one-way throttle valve 7 comprises the first valve port m and the second valve port n, first valve port m is connected with the second end of outdoor heat exchanger 3, on from the first valve port m to the circulating direction of the second valve port n, the conducting completely of first one-way throttle valve 7, on from the second valve port n to the circulating direction of the first valve port m, the first one-way throttle valve 7 is throttle part.
Second one-way throttle valve 8 comprises the 3rd valve port h and the 4th valve port j, 3rd valve port h is connected with the second end of indoor heat exchanger 4, on from the 3rd valve port h to the circulating direction of the 4th valve port j, the conducting completely of second one-way throttle valve 8, on from the 4th valve port j to the circulating direction of the 3rd valve port h, the second one-way throttle valve 8 is throttle part.
First refrigerant flow 9 and the second refrigerant flow 10 are connected in parallel, first refrigerant flow 9 and the second refrigerant flow 10 are connected between the second valve port n and the 4th valve port j respectively, first refrigerant flow 9 is in series with the control valve 5 of the cold medium flux for controlling the first refrigerant flow 9, that is, control valve 5 has aperture, the cold medium flux of the first refrigerant flow 9 can be controlled by the aperture controlling control valve 5, when control valve 5 is closed, first refrigerant flow 9 is in cut-off state, when control valve 5 is opened, the first refrigerant flow 9 is in conducting state.Alternatively, control valve 5 can be magnetic valve or electric expansion valve.
Electric radiator assembly 6 comprises electric control element 60 and the radiating subassembly 61 for dispelling the heat to electric control element 60, and radiating subassembly 61 is connected on the first refrigerant flow 9.
Structure and the flow process of refrigerant in the first one-way throttle valve 7 of the first one-way throttle valve 7 is described below in detail for the first one-way throttle valve 7.Need to be described, the structure of the second one-way throttle valve 8 is identical with the structure of the first one-way throttle valve 7, and the operation principle of the second one-way throttle valve 8 is identical with the operation principle of the first one-way throttle valve 7, is just not described in detail here.
As shown in Figure 2, the first one-way throttle valve 7 can comprise: housing 163, spool 164 and movable part 165.Wherein, have chamber 1631 in housing 163, spool 164 is located in chamber 1631.Spool 164 has the passage 1641 be communicated with chamber 1631, and the first end of passage 1641 is located at the position of contiguous first valve port m, and the second end of passage 1641 is located at the position of contiguous second valve port n.The second segment 1643 that passage 1641 comprises first paragraph 1642 and is communicated with first paragraph 1642, the cross-sectional area of first paragraph 1642 is less than the cross-sectional area of second segment 1643, the periphery wall of first paragraph 1642 and the inwall of chamber 1631 are fitted, between the periphery wall of second segment 1643 and the inwall of chamber 1631, there is gap, and the sidewall of second segment 1643 is provided with multiple intercommunicating pore 1644 be communicated with chamber 1631.Preferably, the area sum of the cross section of multiple intercommunicating pore 1644 is more than or equal to the cross-sectional area of second segment 1643.Movable part 165 is located at slidably to open or close intercommunicating pore 1644 in second segment 1643, and the periphery wall of movable part 165 and the inwall of second segment 1643 are fitted.Movable part 165 is provided with throttling passage 1651, the first end of throttling passage 1651 is located at the position of contiguous first valve port m, second end of throttling passage 1651 is located at the position of contiguous second valve port n, and the cross-sectional area of throttling passage 1651 is much smaller than the cross-sectional area of second segment 1643.When movable part 165 moves to the position of contiguous second valve port n, movable part 165 opens intercommunicating pore 1644, and the second segment 1643 of passage 1641 can be communicated with chamber 1631 by intercommunicating pore 1644; When movable part 165 moves to the position of contiguous first valve port m, movable part 165 closes intercommunicating pore 1644, and passage 1641 cannot be communicated with chamber 1631 by intercommunicating pore 1644, and passage 1641 is communicated with chamber 1631 by throttling passage 1651.
When refrigerant flows to the second valve port n by the first valve port m, direction as denoted by the arrow a in figure 2, refrigerant enters in chamber 1631 by the first valve port m, enter in the first paragraph 1642 of passage 1641 by the first end of the passage 1641 of spool 164 again, under the promotion of refrigerant, movable part 165 moves along the direction shown in arrow A in second segment 1643, movable part 165 opens intercommunicating pore 1644, after refrigerant enters into second segment 1643 by first paragraph 1642, enter in chamber 1631 by intercommunicating pore 1644, now the first one-way throttle valve 7 plays tube connector, namely the pressure at passage 1641 two ends is substantially equal, when refrigerant flows to the first valve port m by the second valve port n, direction as designated by arrows b in fig, refrigerant enters in chamber 1631 by the second valve port n, enter in the second segment 1643 of passage 1641 by the second end of the passage 1641 of spool 164 again, under the promotion of refrigerant, movable part 165 moves along the direction shown in arrow B in second segment 1643, movable part 165 closes intercommunicating pore 1644, after refrigerant enters into second segment 1643 in chamber 1631, first paragraph 1642 is entered into by throttling passage 1651, being flowed out by the first end of passage 1641 enters in chamber 1631 again, because the cross-sectional area of throttling passage 1651 is much smaller than the cross-sectional area of second segment 1643, the pressure difference at passage 1641 two ends is larger, now the first one-way throttle valve 7 throttling actions.
Below with reference to Fig. 1, the course of work according to the air-conditioner 100 of the utility model embodiment is described.
When air-conditioner 100 is in refrigeration mode, the first port c of commutation assembly 2 is communicated with the second port d and the 3rd port e is communicated with the 4th port f, and control valve 5 is in open mode.What needs were described is, when control valve 5 is electric expansion valve, in cooling mode, the aperture of electric expansion valve should comparatively large and make electric expansion valve not play reducing pressure by regulating flow effect or reducing pressure by regulating flow effect less, ensure the refrigerant that flows out from control valve 5 and the temperature difference outdoor between the refrigerant that flows out of heat exchanger 3 less.
As shown in the solid arrow in Fig. 1, the refrigerant of discharging from the exhaust outlet a of compressor 1 carries out condensation by the first port c and the second port d inflow outdoor heat exchanger 3, the refrigerant that heat exchanger 3 is discharged outdoor enters into the first one-way throttle valve 7 by the first valve port m, the effect of tube connector is played in the now complete conducting of the first one-way throttle valve 7, the refrigerant flowed out from the second valve port n is divided into two parts, wherein a part of refrigerant flow into the second one-way throttle valve 8 by the second refrigerant flow 10 from the 4th valve port j, another part refrigerant is flow in radiating subassembly 61 by control valve 5 and dispels the heat to electric control element 60, the refrigerant flowed out from radiating subassembly 61 flow into the second one-way throttle valve 8 from the 4th valve port j.That is, two parts refrigerant converges in the second one-way throttle valve 8.Because the second one-way throttle valve 8 is being throttle part from the 4th valve port j to the circulating direction of the 3rd valve port h, the refrigerant therefore convergeed in the second one-way throttle valve 8 carries out reducing pressure by regulating flow in the second one-way throttle valve 8.
The refrigerant of discharging from the second one-way throttle valve 8 is drained into freeze to indoor environment indoor heat exchanger 4, and the refrigerant that heat exchanger 4 is discharged indoor is expelled back into compressor 1 by the 3rd port e, the 4th port f and gas returning port b, completes kind of refrigeration cycle.
When air-conditioner 100 is in refrigeration mode, because the temperature of the refrigerant of heat exchanger 3 discharge is outdoor a little more than environment temperature, therefore when temperature flows through radiating subassembly 61 a little more than the refrigerant of environment temperature, can dispel the heat to electric control element 60, effectively can also prevent the generation of condensed water simultaneously.
When air-conditioner 100 is in heating mode, the first port c of commutation assembly 2 is communicated with the 3rd port e and the second port d is communicated with the 4th port f, and control valve 5 can be in closed condition or open mode.As shown in the dotted arrow in Fig. 1, the refrigerant of discharging from the exhaust outlet a of compressor 1 is drained into indoor heat exchanger 4 by the first port c and the 3rd port e and carries out condensation, the refrigerant that heat exchanger 4 is discharged indoor is drained into the second one-way throttle valve 8 from the 3rd valve port h, because the second one-way throttle valve 8 is in the complete conducting to the circulating direction of the 4th valve port j from the 3rd valve port h, therefore the second one-way throttle valve 8 plays the effect of tube connector.
When control valve 5 is in closed condition, the refrigerant of discharging from the second one-way throttle valve 8 enters into the first one-way throttle valve 7 by the second refrigerant flow 10 and the second valve port n.
When control valve 5 is in open mode, the refrigerant of discharging from the second one-way throttle valve 8 is divided into two parts, a part is drained in the first one-way throttle valve 7 by the second refrigerant flow 10 and the second valve port n, another part refrigerant enters into the first refrigerant flow 9, this part refrigerant flow in radiating subassembly 61 and dispels the heat to electric control element 60, and the refrigerant flowed out from radiating subassembly 61 is drained into the first one-way throttle valve 7 by control valve 5 and the second valve port n.
Due to the first one-way throttle valve 7 from the second valve port n to the circulating direction of the first valve port m be throttle part, therefore refrigerant carries out reducing pressure by regulating flow in the first one-way throttle valve 7, enter into outdoor heat exchanger 3 from the refrigerant of the first one-way throttle valve 7 discharge to evaporate, the refrigerant that heat exchanger 3 is discharged outdoor is expelled back in compressor 1 by the second port d, the 4th port f and gas returning port b, completes and heats circulation.
When air-conditioner 100 is in heating mode, because the temperature of the refrigerant of heat exchanger 4 discharge is indoor a little more than environment temperature, even if therefore when control valve 5 is in open mode, temperature flows through radiating subassembly 61 a little more than the refrigerant of environment temperature, can dispel the heat to electric control element 60, effectively can also prevent the generation of condensed water simultaneously, the reliability of electric control element 60 during air-conditioner 100 heating operation can be ensured.
When air-conditioner 100 heats defrost, due to incipient stage of defrost, the refrigerant temperature that flows out of heat exchanger 3 is very low outdoor, in this case refrigerant flow through radiating subassembly 61 can produce thermal shock to electric control element 60.Therefore preferably, when air-conditioner 100 is in heating and defrosting pattern, in the incipient stage of heating and defrosting, control valve 5 is in dwell period, thus in the incipient stage of defrost, when refrigerant temperature is lower, closed control valve 5 makes refrigerant not flow through the first refrigerant flow 9, refrigerant flows through completely from the second refrigerant flow 10, that is makes refrigerant not flow through radiating subassembly 61, prevents refrigerant from the thermal shock of electric control element 60 is affected to the service life of electric control element 60.When air-conditioner 100 is in defrosting mode, the first port c of commutation assembly 2 is communicated with the second port d and the 3rd port e is communicated with the 4th port f.Need to be described, in the defrost stage, the shut-in time of control valve 5 specifically can set according to actual conditions, does not just limit here.
According to the air-conditioner 100 of the utility model embodiment, by being provided with the first one-way throttle valve 7, second one-way throttle valve 8, control valve 5 and radiating subassembly 61, when refrigeration mode, close or a little more than environment temperature the refrigerant of temperature can be made to flow through radiating subassembly 61 to dispel the heat to electric control element 60.Effectively (even if when environment temperature is higher) can be dispelled the heat to electric control element 60 thus when not reducing the operating frequency of compressor 1, thus the refrigeration of air-conditioner 100 in the higher situation of environment temperature can be guaranteed, improve user's comfort.
And, due to flow into radiating subassembly 61 refrigerant temperature close to or a little more than environment temperature, therefore can avoid on electric control element 60, produce condensation water and the temperature of electric control element 60 is fallen too low, thus reliability and the security of electric control element 60 can be improved.When heating mode, when control valve 5 is opened, the temperature entering into the refrigerant of electric control element 60 close to or a little more than environment temperature, can avoid on electric control element 60, produce condensation water and the temperature of electric control element 60 is fallen too low, when control valve 5 is closed, the refrigerant of discharging from the second one-way throttle valve 8 is drained into outdoor heat exchanger 3 by the second refrigerant flow 10, can prevent condensed water from producing, and ensures the reliability of electric control element 60 during air-conditioner 100 heating operation.
As shown in Figure 1, in preferred embodiment of the present utility model, commutation assembly 2 is cross valve.It is appreciated of course that, the structure of commutation assembly 2 is not limited thereto, commutation assembly 2 can comprise the first pipeline to the 4th pipeline, first pipeline joins end to end successively to the 4th pipeline, first pipeline is in series with the first on-off valve, second pipe is in series with the second on-off valve, 3rd pipeline is in series with the 3rd on-off valve, 4th pipeline is in series with the 4th on-off valve, the junction of the first pipeline and second pipe limits the first port c, the junction of the first pipeline and the 4th pipeline limits the second port d, the junction of the 4th pipeline and the 3rd pipeline limits the 4th port f, the junction of the 3rd pipeline and second pipe limits the 3rd port e, first on-off valve and the 3rd on-off valve are opened simultaneously or close, second on-off valve and the 4th on-off valve are opened simultaneously or close.
As shown in Figure 3 and Figure 4, according to an embodiment of the present utility model, radiating subassembly 61 can comprise: radiating tube 601 and radiation shell 602.Preferably, radiating tube 601 is copper pipe.Thus, the heat exchanger effectiveness of radiating tube 601 can be improved.Wherein, radiating tube 601 is connected on the first refrigerant flow 9, and refrigerant can flow in radiating tube 601.Radiating tube 601 is located on radiation shell 602, and radiation shell 602 contacts with electric control element 60 and is used for dispelling the heat to electric control element 60.Thus, the radiating efficiency of radiating subassembly 61 can be improved, ensure the operation stability of electric control element 60.
Further, radiation shell 602 can comprise: heat-radiating substrate 6020 and fixed dam 6021.Wherein, heat-radiating substrate 6020 contacts with electric control element 60, and the temperature of electric control element 60 can directly be passed on heat-radiating substrate 6020.Fixed dam 6021 is located on heat-radiating substrate 6020, and fixed dam 6021 and heat-radiating substrate 6020 directly can carry out heat exchange thus.Be understandable that, do not do particular determination for the connected mode between fixed dam 6021 and heat-radiating substrate 6020, such as, in example as shown in Figure 3 and Figure 4, fixed dam 6021 is fitted on heat-radiating substrate 6020.Further, fixed dam 6021 is provided with fixed leg (scheming not shown), and heat-radiating substrate 6020 is provided with fixing hole (scheming not shown), and fixed leg is connected with fixing hole riveted.Thus, the contact area between fixed dam 6021 and heat-radiating substrate 6020 can be increased, and then improve the heat exchanger effectiveness between fixed dam 6021 and heat-radiating substrate 6020.
For improving the radiating efficiency of radiating subassembly 61 further, between fixed dam 6021 and heat-radiating substrate 6020, limit the spatial accommodation for holding radiating tube 601.Thus, the heat exchange area between fixed dam 6021 and radiating tube 601 can be increased, and then the radiating efficiency of radiating subassembly 61 can be improved further, ensure the operation stability of electric control element 60.Preferably, the shape of spatial accommodation is identical with the shape of radiating tube 601.Thus, further increase the contact area between radiating tube 601 and fixed dam 6021, heat-radiating substrate 6020, radiating tube 601 directly can carry out heat exchange with fixed dam 6021, heat-radiating substrate 6020.
Such as, in example as shown in Figure 3 and Figure 4, the end face towards fixed dam 6021 of heat-radiating substrate 6020 is provided with the first groove, and the end face towards heat-radiating substrate 6020 of fixed dam 6021 is provided with the second groove, and the first groove and the second groove fit limit spatial accommodation.Thus, be convenient to radiating tube 601 to be arranged on radiation shell 602, also increase the contact area between radiating tube 601 and heat-radiating substrate 6020, fixed dam 6021 simultaneously.For convenience of processing, in an example of the present utility model, the cross section of the first groove and the second groove is formed as semicircle respectively.
In example as indicated at 4, for improving the radiating efficiency of radiating subassembly 61, the two ends of radiating tube 601 stretch out to be connected on the first refrigerant flow 9 from the opposing sidewalls of radiation shell 602 respectively.Certainly, the position at the two ends of radiating tube 601 is not limited to this, for improving the radiating efficiency of radiating subassembly 61 further, such as, in example as shown in Figure 3, the two ends of radiating tube 601 stretch out to be connected on the first refrigerant flow 9 from the same side of radiation shell 602 respectively.Such as, radiating tube 601 can be formed as U-shaped structure, and then extend the length of radiating tube 601 in radiation shell 602, thus increase the contact area between radiating tube 601 and heat-radiating substrate 6020, fixed dam 6021, and then further increase the radiating efficiency of radiating subassembly 61.
In embodiments more of the present utility model, air-conditioner 100 also comprises the temperature-detecting device (scheming not shown) for detecting electric control element 60 temperature, electric control element 60 is electrically connected with temperature-detecting device and control valve 5 respectively, and electric control element 60 controls the aperture of control valve 5 according to the testing result of temperature-detecting device.Wherein temperature-detecting device can be located on the position such as heat-radiating substrate 6020 of the contiguous electric control element 60 of radiating subassembly 61, and temperature-detecting device can also be directly arranged on electric control element 60.Thus the automaticity of air-conditioner 100 can be improved, and can control whether to adopt refrigerant to dispel the heat to electric control element 60 according to the temperature of electric control element 60, further ensure and can effectively dispel the heat to electric control element 60, the generation of condensed water can also be avoided simultaneously further.
More specifically, the temperature that temperature-detecting device can be collected and the first anticipation temperature value and the second anticipation temperature value compare, when the temperature detected is higher than the first anticipation temperature value, open or control control valve 5 aperture increase with the cold medium flux increasing by the first refrigerant flow 9, when temperature being detected lower than the second anticipation temperature value, the aperture of closedown or control control valve 5 reduces with the cold medium flux reducing the first refrigerant flow 9, and wherein the first anticipation temperature value is not less than the second anticipation temperature value.Be understandable that, the concrete numerical value of the first anticipation temperature value and the second anticipation temperature value can limit according to actual conditions.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.

Claims (9)

1. an air-conditioner, is characterized in that, comprising:
Compressor, described compressor has exhaust outlet and gas returning port;
Commutation assembly, described commutation assembly comprises the first port to the 4th port, one of them conducting in described first port and the second port and the 3rd port, another conducting in described 4th port and described second port and described 3rd port, described first port is connected with described exhaust outlet, and described 4th port is connected with described gas returning port;
Outdoor heat exchanger and indoor heat exchanger, the first end of described outdoor heat exchanger is connected with described second port, and the first end of described indoor heat exchanger is connected with described 3rd port;
First one-way throttle valve, described first one-way throttle valve comprises the first valve port and the second valve port, described first valve port is connected with the second end of described outdoor heat exchanger, on from described first valve port to the circulating direction of described second valve port, the complete conducting of described first one-way throttle valve, on from described second valve port to the circulating direction of described first valve port, described first one-way throttle valve is throttle part;
Second one-way throttle valve, described second one-way throttle valve comprises the 3rd valve port and the 4th valve port, described 3rd valve port is connected with the second end of described indoor heat exchanger, on from described 3rd valve port to the circulating direction of described 4th valve port, the complete conducting of described second one-way throttle valve, on from described 4th valve port to the circulating direction of described 3rd valve port, described second one-way throttle valve is throttle part;
The first refrigerant flow be connected in parallel and the second refrigerant flow, described first refrigerant flow and described second refrigerant flow are connected between described second valve port and described 4th valve port respectively, described first refrigerant flow are in series with the control valve of the cold medium flux for controlling described first refrigerant flow;
Electric radiator assembly, described electric radiator assembly comprises electric control element and the radiating subassembly for dispelling the heat to described electric control element, and described radiating subassembly is connected on described first refrigerant flow.
2. air-conditioner according to claim 1, is characterized in that, described commutation assembly is cross valve.
3. air-conditioner according to claim 1, is characterized in that, described radiating subassembly comprises:
Radiating tube, described radiating tube is connected on described first refrigerant flow;
Radiation shell, described radiating tube is located on described radiation shell, and described radiation shell contacts with described electric control element and is used for dispelling the heat to described electric control element.
4. air-conditioner according to claim 3, is characterized in that, described radiation shell comprises:
Heat-radiating substrate, described heat-radiating substrate contacts with described electric control element;
Fixed dam, described fixed dam is located on described heat-radiating substrate, limits the spatial accommodation for holding described radiating tube between described fixed dam and described heat-radiating substrate.
5. air-conditioner according to claim 3, is characterized in that, the two ends of described radiating tube stretch out to be connected on described first refrigerant flow from the opposing sidewalls of described radiation shell respectively.
6. air-conditioner according to claim 3, is characterized in that, the two ends of described radiating tube stretch out to be connected on described first refrigerant flow from the same side of described radiation shell respectively.
7. air-conditioner according to claim 4, is characterized in that, described fixed dam is provided with fixed leg, and described heat-radiating substrate is provided with fixing hole, and described fixed leg is connected with described fixing hole riveted.
8. air-conditioner according to claim 1, it is characterized in that, also comprise the temperature-detecting device for detecting described electric control element temperature, described electric control element is electrically connected with described temperature-detecting device and described control valve respectively, and described electric control element controls the aperture of described control valve according to the testing result of described temperature-detecting device.
9. air-conditioner according to claim 1, is characterized in that, described control valve is magnetic valve or electric expansion valve.
CN201420770969.2U 2014-12-08 2014-12-08 Air-conditioner Withdrawn - After Issue CN204373073U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104482597A (en) * 2014-12-08 2015-04-01 广东美的制冷设备有限公司 Air conditioner
CN108195099A (en) * 2017-12-27 2018-06-22 青岛海信日立空调系统有限公司 A kind of connected machine and its control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104482597A (en) * 2014-12-08 2015-04-01 广东美的制冷设备有限公司 Air conditioner
CN104482597B (en) * 2014-12-08 2017-05-10 广东美的制冷设备有限公司 Air conditioner
CN108195099A (en) * 2017-12-27 2018-06-22 青岛海信日立空调系统有限公司 A kind of connected machine and its control method
CN108195099B (en) * 2017-12-27 2020-05-15 青岛海信日立空调系统有限公司 Variable frequency multi-split air conditioner and control method thereof

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