CN104197444A - Air conditioner and refrigerated container integrated machine and operation control method thereof - Google Patents

Air conditioner and refrigerated container integrated machine and operation control method thereof Download PDF

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Publication number
CN104197444A
CN104197444A CN201410424635.4A CN201410424635A CN104197444A CN 104197444 A CN104197444 A CN 104197444A CN 201410424635 A CN201410424635 A CN 201410424635A CN 104197444 A CN104197444 A CN 104197444A
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CN
China
Prior art keywords
refrigerating box
temperature
heat exchanger
air
conditioning
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CN201410424635.4A
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Chinese (zh)
Inventor
吴君
张建华
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广东美的制冷设备有限公司
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Priority to CN201410424635.4A priority Critical patent/CN104197444A/en
Publication of CN104197444A publication Critical patent/CN104197444A/en

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Abstract

The invention belongs to the technical field of air conditioners and provides an air conditioner and refrigerated container integrated machine and an operation control method of the integrated machine. The integrated machine and the method aim at prolonging the service life of a compressor and reducing energy consumption. The air conditioner and refrigerated container integrated machine comprises the compressor, an outdoor air conditioner heat exchanger, a throttle valve, an indoor air conditioner heat exchanger, a drainage injection valve, an expansion valve, a refrigerated container heat exchanger and a semiconductor refrigeration device, wherein the throttle valve, the indoor air conditioner heat exchanger, the drainage injection valve, the expansion valve and the refrigerated container heat exchanger are sequentially connected with the outdoor air conditioner heat exchanger and the semiconductor refrigeration device is operated independently and used for decreasing the temperature in the refrigerated container. The semiconductor refrigeration device independent of a first branch and a second branch is arranged in the refrigerated container, the refrigerated container is cooled through the semiconductor refrigeration device independently or cooled through the semiconductor refrigeration device and the second branch which are operated together, the condition that the compressor is continuously operated when an air conditioner indoor unit is not used can be avoided, the service life of the compressor is prolonged, and power consumption is greatly reduced.

Description

Air-conditioner and refrigerating box all-in-one and progress control method thereof
Technical field
The invention belongs to air-conditioner technical field, relate in particular to a kind of air-conditioner and refrigerating box all-in-one and progress control method thereof.
Background technology
Existing air-conditioning and refrigerating box all-in-one have following two kinds of production methods: first kind of way is that air-conditioning and refrigerating box respectively have a set of independently refrigerant-cycle systems, belonging to two kinds of simple stacks of refrigerant-cycle systems has not only increased bulk, and there is no novelty in technical field.The second way is that air-conditioning and refrigerating box share a set of refrigerant-cycle systems, and room conditioning heat exchanger is that parallel way is connected with indoor refrigerating box heat exchanger.It is exactly in the situation that not using air-conditioning that this kind of mode has very large drawback, and compressor still needs operation in 24 hours, larger to the life consumption of compressor, and power consumption also increases greatly simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioning and refrigerating box all-in-one, be intended to solve the technical problem that prior art hollow mediation refrigerating box all-in-one extends the service life of compressor and reduces energy consumption in the situation that not using indoor apparatus of air conditioner.
The present invention realizes like this, a kind of air-conditioning and refrigerating box all-in-one, comprise air-conditioner outdoor unit, the indoor apparatus of air conditioner being connected with described air-conditioner outdoor unit pipeline and refrigerating box and along the mobile cold-producing medium of described pipeline, described air-conditioner outdoor unit comprises the outdoor air conditioner heat exchanger that has the compressor of exhaust outlet and gas returning port and be connected with described exhaust outlet, be formed with in the refrigerant exit place of described outdoor air conditioner heat exchanger for reducing the first branch road of indoor temperature with for reducing second branch road of described refrigeration the temperature inside the box, described the first branch road comprises the choke valve being connected successively with the refrigerant exit of described outdoor air conditioner heat exchanger, room conditioning heat exchanger and there is ejection end, the drainage injection valve of drainage end and the port of export, described room conditioning heat exchanger is connected with described ejection end, the described port of export is connected with the gas returning port of described compressor, described the second branch road comprises the expansion valve being connected successively with the refrigerant exit of described outdoor air conditioner heat exchanger and the refrigerating box heat exchanger being connected with the drainage end of described drainage injection valve, described air-conditioning and refrigerating box all-in-one also comprise that independent operating is to reduce the semiconductor cooling device of described refrigeration the temperature inside the box.
Further, compressor is frequency-changeable compressor or screw compressor.
Further, described choke valve is electric expansion valve, capillary or heating power expansion valve; Described expansion valve is electric expansion valve, also can add capillary with magnetic valve and replace.
Further, semiconductor cooling device is single-chip or dual chip.
Further, be provided with for controlling first control valve of described cold-producing medium in the mobile break-make of described room conditioning heat exchanger on described the first branch road, described the first control valve is arranged between described outdoor air conditioner heat exchanger and described choke valve.
Further, be provided with for controlling second control valve of described cold-producing medium in the mobile break-make of described refrigerating box heat exchanger on described the second branch road, described the second control valve is arranged between described outdoor air conditioner heat exchanger and described expansion valve.
The present invention also provides the progress control method of a kind of air-conditioning and refrigerating box all-in-one, and described air-conditioning and refrigerating box all-in-one are above-mentioned air-conditioning and refrigerating box all-in-one, and described progress control method comprises the following steps:
Open described refrigerating box and make described refrigerating box in running status; And
At least described semiconductor cooling device is in running status.
Further, in the time of described semiconductor cooling device independent cooling operation, it comprises the following steps:
Close described expansion valve and make described refrigerating box heat exchanger in run-stopping status; And
Open separately described semiconductor cooling device to reduce the temperature in described refrigerating box.
Further, in the time that described semiconductor cooling device matches refrigerating operaton with described the second branch road, it comprises the following steps:
In the time that described refrigerating box has just been started shooting, detect the temperature in described refrigerating box and the design temperature of described refrigerating box is provided;
Open described expansion valve so that described refrigerating box heat exchanger, in running status, and judges whether the temperature in described refrigerating box drops to described design temperature;
In the time that described refrigeration the temperature inside the box drops to described design temperature, close described expansion valve and make described refrigerating box heat exchanger in run-stopping status, and open described semiconductor cooling device to reduce the temperature in described refrigerating box.
Further, in the time that described semiconductor cooling device matches refrigerating operaton with described the second branch road, it comprises the following steps:
When the start of described refrigerating box, its internal temperature is identical with ambient temperature, detects the temperature in described refrigerating box and the design temperature of described refrigerating box is provided;
In the time detecting described refrigeration the temperature inside the box than high 10 DEG C of described design temperature, open described expansion valve so that described refrigerating box heat exchanger, in running status, and judges whether the temperature in described refrigerating box drops to described design temperature;
In the time that described refrigeration the temperature inside the box drops to described design temperature, close described expansion valve and make described refrigerating box heat exchanger in run-stopping status, and open described semiconductor cooling device to reduce the temperature in described refrigerating box.
Further, in the time that described semiconductor cooling device and described the second branch road freeze simultaneously, it comprises the following steps:
, open described expansion valve so that described refrigerating box heat exchanger, all in running status, is opened described semiconductor cooling device simultaneously when the design temperature≤0 in described refrigerating box DEG C.
The present invention with respect to the technique effect of prior art is: in the closed circuit of described cold-producing medium, be provided with the first branch road and the second branch road that are arranged in parallel, described the first branch road is used for controlling described indoor temperature, described the second branch road is for reducing the temperature of described refrigerating box, and in described refrigerating box, be provided with the semiconductor cooling device that is independent of described the first branch road and described the second branch road, can utilize described semiconductor cooling device separately described refrigerating box to be lowered the temperature, or utilize the common operation of described semiconductor cooling device and described the second branch road to lower the temperature to described refrigerating box, avoid in the time not using indoor apparatus of air conditioner and make described compressor continuous service, greatly extend the service life of described compressor, and greatly reduce power consumption simultaneously.
Brief description of the drawings
Fig. 1 is the air-conditioning that provides of the embodiment of the present invention and the structured flowchart of refrigerating box all-in-one;
Fig. 2 is the air-conditioning that provides of the embodiment of the present invention and another structured flowchart of refrigerating box all-in-one;
Fig. 3 is the flow chart of the progress control method of the air-conditioning that provides of the embodiment of the present invention and refrigerating box all-in-one.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Please refer to Fig. 1, the air-conditioning that the embodiment of the present invention provides and refrigerating box all-in-one comprise air-conditioner outdoor unit 10, the indoor apparatus of air conditioner 20 being connected with described air-conditioner outdoor unit 10 pipelines and refrigerating box 30 and along the mobile cold-producing medium (not shown) of described pipeline, described air-conditioner outdoor unit 10 comprises the outdoor air conditioner heat exchanger 14 that has the compressor 12 of exhaust outlet and gas returning port and be connected with described exhaust outlet, be formed with in the refrigerant exit place of described outdoor air conditioner heat exchanger 14 for reducing the first branch road 16 of indoor temperature with for reducing the second branch road 18 of described refrigerating box 30 interior temperature, described the first branch road 16 comprises the choke valve 22 being connected successively with the refrigerant exit of described outdoor air conditioner heat exchanger 14, room conditioning heat exchanger 24 and there is ejection end, the drainage injection valve 26 of drainage end and the port of export, described room conditioning heat exchanger 24 is connected with described ejection end, the described port of export is connected with the gas returning port of described compressor 12, described the second branch road 18 comprises the expansion valve 32 being connected successively with the refrigerant exit of described outdoor air conditioner heat exchanger 14 and the refrigerating box heat exchanger 34 being connected with the drainage end of described drainage injection valve 26, described air-conditioning and refrigerating box all-in-one also comprise that independent operating is to reduce the semiconductor cooling device 36 of described refrigerating box 30 interior temperature.
In this embodiment, described compressor 12, described outdoor air conditioner heat exchanger 14, described choke valve 22, described room conditioning heat exchanger 24 and drainage injection valve 26 are connected to form circulation line by copper pipe successively, in closing pipe line, described cold-producing medium streamwise flows in described copper pipe.
In this embodiment, the cold-producing medium that described room conditioning heat exchanger 24 flows out is connected to the ejection end of described drainage injection valve 26 along pipeline, and the port of export of described drainage injection valve 26 is connected to the gas returning port of described compressor 12; Expansion valve 32 in described the second branch road 18, described refrigerating box heat exchanger 34 and described drainage injection valve 26 are connected by copper pipe successively and are connected in parallel with described the first branch road 16, thereby form circulation line with described compressor 12 and described outdoor air conditioner heat exchanger 14, in the closing pipe line at the second branch road 18 places, described cold-producing medium streamwise flows in described copper pipe.
Please refer to Fig. 1, in this embodiment, described room conditioning heat exchanger 24 is connected with the ejection end of described drainage injection valve 26, described refrigerating box heat exchanger 34 is connected with the drainage end of described drainage injection valve 26, and the port of export of described drainage injection valve 26 is connected with the gas returning port of described compressor 12.In this air-conditioning and refrigerating box all-in-one, owing to being provided with drainage injection valve 26 in pipeline, after the refrigerating box heat exchanger 34 in the room conditioning heat exchanger 24 in the first branch road 16 and the second branch road 18 collects, the a large amount of cold-producing mediums that flow through from described room conditioning heat exchanger 24 become jet in drainage injection valve 26, this jet velocity is very fast, form low-pressure area in its peripheral region, the pressure of this low-pressure area is less than the pressure of the cold-producing medium flowing out from described refrigerating box heat exchanger 34, so this cold-producing medium can import the cold-producing medium flowing out from described the first branch road 16, and can there is not the refrigerant pressure difference causing because of cold-producing medium temperature difference region difference, and there is the situation of back flow of refrigerant.
In this embodiment, described the second branch road 18 and described semiconductor cooling device 36 form the refrigeration system of described refrigerating box 30, and semiconductor cooling device 36 is independent of the first branch road 16 and the second branch road 18 that controlled by described compressor 12 described in this, it can independently be lowered the temperature to described refrigerating box 30, also can jointly lower the temperature to described refrigerating box 30 with described the second branch road 18.
In this embodiment, in described refrigerating box 30, be also provided with the electric supply installation 38 being electrically connected with described semiconductor cooling device 36 and control the control device (not shown) of described semiconductor cooling device 36 opening and closing, utilize electric supply installation 38 described in described control device opening and closing, thereby semiconductor cooling device 36 described in opening and closing, meets the demand of different use states.
Please refer to Fig. 1, the air-conditioning that the embodiment of the present invention provides and refrigerating box all-in-one are provided with the first branch road 16 and the second branch road 18 that are arranged in parallel in the closed circuit of described cold-producing medium, described the first branch road 16 is for controlling described indoor temperature, described the second branch road 18 is for reducing the temperature of described refrigerating box 30, and in described refrigerating box 30, be provided with the semiconductor cooling device 36 that is independent of described the first branch road 16 and described the second branch road 18, can utilize described semiconductor cooling device 36 separately described refrigerating box 30 to be lowered the temperature, or utilize described semiconductor cooling device 36 and the common operation of described the second branch road 18 to lower the temperature to described refrigerating box 30, avoid in the time not using indoor apparatus of air conditioner 20 and make described compressor 12 continuous services, greatly extend the service life of described compressor 12, and greatly reduce power consumption simultaneously.
Please refer to Fig. 1, further, compressor 12 is frequency-changeable compressor 12 or screw compressor 12.While adopting frequency-changeable compressor 12, can utilize the speed of described compressor 12 rotating speeds to reach the object of controlling room temperature, indoor temperature fluctuation is little, power consumption is few, and its comfort level improves greatly.
Please refer to Fig. 1, further, described choke valve 22 is electric expansion valve, capillary or heating power expansion valve 32; Described expansion valve 32 is electric expansion valve, also can add capillary with magnetic valve and replace.Understandably, described choke valve 22 and described expansion valve 32 are electric expansion valve and described compressor 12 is frequency-changeable compressor 12, can numbering according to the actual requirements regulate in real time the circular flow of cold-producing medium in whole air-conditioning and refrigerating box all-in-one, and regulate the pressure reduction through the cold-producing medium of described room conditioning heat exchanger 24 and described refrigerating box heat exchanger 34.In other embodiments, described choke valve 22 can be other combinations with described expansion valve 32.
Please refer to Fig. 1, further, semiconductor cooling device 36 is single-chip or dual chip.
Please refer to Fig. 2, further, on described the first branch road 16, be provided with for controlling first control valve 21 of described cold-producing medium in described room conditioning heat exchanger 24 mobile break-makes, described the first control valve 21 is arranged between described outdoor air conditioner heat exchanger 14 and described choke valve 22.Understandably, described the first control valve 21 is arranged on the pipeline between described outdoor air conditioner heat exchanger 14 and described room conditioning heat exchanger 24, similarly, described the first control valve 21 also can be arranged on the pipeline between described room conditioning heat exchanger 24 and described drainage injection valve 26, and role is all for blocking described room conditioning heat exchanger 24 flow of refrigerant.
Please refer to Fig. 2, further, on described the second branch road 18, be provided with for controlling second control valve 31 of described cold-producing medium in described refrigerating box heat exchanger 34 mobile break-makes, described the second control valve 31 is arranged between described outdoor air conditioner heat exchanger 14 and described expansion valve 32.Understandably, described the second control valve 31 is arranged on the pipeline between described outdoor air conditioner heat exchanger 14 and described refrigerating box heat exchanger 34, similarly, described the second control valve 31 also can be arranged on the pipeline between described refrigerating box heat exchanger 34 and described drainage injection valve 26, and role is all for blocking described refrigerating box heat exchanger 34 flow of refrigerant.
Please refer to Fig. 2, in the time that room air conditioner and described refrigerating box 30 move simultaneously, open described the first control valve 21 and described the second control valve 31, be cold-producing medium in described compressor 12 enters described outdoor air conditioner heat exchanger 14 with outdoor air heat exchange, described the first control valve 21 and described choke valve 22 in high pressure liquid refrigerant one tunnel the first branch road 16 after heat exchange, enter described room conditioning heat exchanger 24 to the indoor air providing after refrigeration, described second control valve 31 and the described expansion valve 32 of another road in described the second branch road 18, enter described refrigerating box heat exchanger 34 with to providing cooling air in the interior space of described refrigerating box 30.Two-way cold-producing medium comes together in described drainage injection valve 26 places and forms a road, then enters the gas returning port of described compressor 12, so circular flow.
Please refer to Fig. 2, in the time that one of them person in described room air conditioner and described refrigerating box 30 moves, for example, only the operation of described room air conditioner is with to reducing indoor temperature, open described the first control valve 21 and close described the second control valve 31, described cold-producing medium absorbs heat by described room conditioning heat exchanger 24 after described choke valve 22, flows to the gas returning port of described compressor 12 along the flow direction of described cold-producing medium.Because described the second control valve 31 is closed, described refrigerating box 30 does not move, and in the time not needing chilled food, can adopt and reduce in this way unnecessary energy consumption.
Please refer to Fig. 2, only have described refrigerating box 30 to move and described room air conditioner while closing, close described the first control valve 21 and open described the second control valve 31, described cold-producing medium absorbs heat by described refrigerating box heat exchanger 34 after described expansion valve 32, flow to the gas returning port of described compressor 12 along the flow direction of described cold-producing medium, because described the first control valve 21 is closed, described room air conditioner does not move, in transition season or indoor temperature suitable in the situation that, can take this mode to being positioned over the processing of lowering the temperature of food in described refrigerating box 30 and other article.
Please refer to Fig. 2, also provide in embodiments of the present invention and the described semiconductor cooling device 36 that is independent of described refrigerating box heat exchanger 34, can utilize this semiconductor cooling device 36 jointly described refrigerating box 30 to be lowered the temperature with described refrigerating box heat exchanger 34, low-energy-consumption can fall greatly, and after the interior temperature of described refrigerating box 30 reaches certain value, close described the second control valve 31 and make described refrigerating box heat exchanger 34 in running status not, directly utilize semiconductor cooling device 36 to lower the temperature, avoid described compressor 12 long-time uses and the life-span shortens.
Please refer to Fig. 1 and Fig. 3, the embodiment of the present invention also provides the progress control method of air-conditioning and refrigerating box all-in-one, described air-conditioning and refrigerating box all-in-one are air-conditioning and the refrigerating box all-in-one in the various embodiments described above, its features and action is all identical with air-conditioning and refrigerating box all-in-one in the various embodiments described above, does not repeat herein.Described progress control method comprises the following steps: open described refrigerating box 30 and make described refrigerating box 30 in running status; At least described semiconductor cooling device 36 is in running status.Particularly, in running, described refrigerating box 30 has three kinds of progress control methods, respectively: described semiconductor cooling device 36 independent cooling operations; Described semiconductor cooling device 36 refrigerating operaton that matches with described the second branch road 18; Described semiconductor cooling device 36 and described the second branch road 18 refrigerating operaton simultaneously.Understandably, in the time that described refrigerating box 30 moves, there are three kinds of progress control methods in it, match with described refrigerating box heat exchanger 34 operation and described semiconductor cooling device 36 of, described semiconductor cooling device 36 isolated operations, described semiconductor cooling device 36 moves that with described refrigerating box heat exchanger 34 described refrigerating box 30 is lowered the temperature simultaneously.Utilize semiconductor cooling device 36 or described semiconductor cooling device 36 and the combination of described refrigerating box heat exchanger 34 to lower the temperature to described refrigerating box 30, reduce the service time to described compressor 12, thereby greatly extend the service life of described compressor 12, on the other hand, in the time that the interior temperature of described refrigerating box 30 is reduced to a certain temperature, only need to use semiconductor cooling device 36 to lower the temperature to described refrigerating box 30, and avoid using powerful compressor 12 to continue described refrigerating box 30 to lower the temperature, can greatly reduce energy consumption.
Please refer to Fig. 1, further, in the time of described semiconductor cooling device 36 independent cooling operation, it comprises the following steps: close described expansion valve 32 and make described refrigerating box heat exchanger 34 in run-stopping status; Open separately described semiconductor cooling device 36 to reduce the temperature in described refrigerating box 30.Understandably, close described expansion valve 32 and open separately described semiconductor cooling device 36 described refrigerating box 30 is lowered the temperature, in this case, the temperature decrease speed in described refrigerating box 30 is slower, and cold storage effect is poor.In this case, described compressor 12 can make described indoor apparatus of air conditioner 20 and described refrigerating box heat exchanger 34 all in run-stopping status in closed condition, or described compressor 12 in opening and described indoor apparatus of air conditioner 20 in running status, and described refrigerating box heat exchanger 34 is in run-stopping status, like this, compressor 12 or in run-stopping status, in the state that only drives described indoor apparatus of air conditioner 20 to move, can reduce energy consumption, and can control according to the actual requirements length running time of described compressor 12, and the service life of improving described compressor 12.
Please refer to Fig. 1 and Fig. 3, further, in the time that described semiconductor cooling device 36 matches refrigerating operaton with described the second branch road 18, it comprises the following steps: in the time of just start of described refrigerating box 30, detect the temperature in described refrigerating box 30 and the design temperature of described refrigerating box 30 is provided; Open described expansion valve 32 so that described refrigerating box heat exchanger 34, in running status, and judges whether the temperature in described refrigerating box 30 drops to described design temperature; In the time that the interior temperature of described refrigerating box 30 drops to described design temperature, close described expansion valve 32 and make described refrigerating box heat exchanger 34 in run-stopping status, and open described semiconductor cooling device 36 to reduce the temperature in described refrigerating box 30.Understandably, in the time of the just start of described refrigerating box 30, open described expansion valve 32 so that described refrigerating box heat exchanger 34 is first in running status, when temperature in described refrigerating box 30 drops to its design temperature, closing described expansion valve 32 makes described refrigerating box heat exchanger 34 in run-stopping status, now, open described semiconductor cooling device 36 to continue to providing cold air in described refrigerating box 30.
Please refer to Fig. 1 and Fig. 3, in the time that described semiconductor cooling device 36 matches refrigerating operaton with described the second branch road 18, it comprises the following steps: when described refrigerating box 30 is started shooting, its internal temperature is identical with ambient temperature, detects the temperature in described refrigerating box 30 and the design temperature of described refrigerating box 30 is provided; In the time detecting described refrigerating box 30 interior temperature than high 10 DEG C of described design temperature, open described expansion valve 32 so that described refrigerating box heat exchanger 34, in running status, and judges whether the temperature in described refrigerating box 30 drops to described design temperature; In the time that the interior temperature of described refrigerating box 30 drops to described design temperature, close described expansion valve 32 and make described refrigerating box heat exchanger 34 in run-stopping status, and open described semiconductor cooling device 36 to reduce the temperature in described refrigerating box 30.Understandably, in the time temperature in described refrigerating box 30 being detected than high 10 DEG C of its design temperature, be Tc >=Ts+10, open described expansion valve 32 so that described refrigerating box heat exchanger 34 in running status, when temperature in described refrigerating box 30 drops to its design temperature, close described expansion valve 32 and make described refrigerating box heat exchanger 34 in run-stopping status, now, open described semiconductor cooling device 36 to continue to providing cold air in described refrigerating box 30.
Specific as follows: to open described refrigerating box 30 and detect the temperature T c in described refrigerating box 30, when the temperature in described refrigerating box 30 is during than high 10 DEG C of its design temperature Ts, be Tc >=Ts+10, open compressor 12 and open described expansion valve 32 so that described refrigerating box heat exchanger 34 in running status, temperature in described refrigerating box 30 drops to below design temperature and during than low 5 DEG C of design temperature, be Tc≤Ts-5, close described expansion valve 32 so that described refrigerating box heat exchanger 34 in run-stopping status, and open described semiconductor cooling device 36 simultaneously, utilize described semiconductor cooling device 36 separately described refrigerating box 30 to be lowered the temperature, in described semiconductor cooling device 36 isolated operations after 30 minutes, detect the temperature T c in described refrigerating box 30, if the temperature T c≤Ts+5 in described refrigerating box 30 that detects, semiconductor cooling device 36 described in lasting isolated operation, if the temperature detecting is higher more than 5 DEG C than its design temperature, be Tc > Ts+5, again open described compressor 12 and open described expansion valve 32 so that described refrigerating box heat exchanger 34 in running status, temperature in described refrigerating box 30 drops to below design temperature and during than low 5 DEG C of design temperature, be Tc≤Ts-5, close described expansion valve 32 so that described refrigerating box heat exchanger 34 in run-stopping status, and open described semiconductor cooling device 36 simultaneously, utilize described semiconductor cooling device 36 separately described refrigerating box 30 to be lowered the temperature, in described semiconductor cooling device 36 isolated operations after 30 minutes, detect the temperature T c in described refrigerating box 30.Then cycling according to the method described above.
Please refer to Fig. 1, further, in the time that described semiconductor cooling device 36 freezes with described the second branch road 18 simultaneously, it comprises the following steps: when the design temperature≤0 in described refrigerating box 30 DEG C, open described expansion valve 32 so that described refrigerating box heat exchanger 34, all in running status, is opened described semiconductor cooling device 36 simultaneously.Understandably, if design temperature Ts≤0 DEG C in refrigerating box 30, need to open described expansion valve 32 so that described refrigerating box heat exchanger 34 is all also opened described semiconductor cooling device 36 in running status simultaneously simultaneously, can make like this temperature in described refrigerating box 30 decline within a short period of time, and reach best cold storage effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (11)

1. an air-conditioning and refrigerating box all-in-one, comprise air-conditioner outdoor unit, the indoor apparatus of air conditioner being connected with described air-conditioner outdoor unit pipeline and refrigerating box and along the mobile cold-producing medium of described pipeline, described air-conditioner outdoor unit comprises the outdoor air conditioner heat exchanger that has the compressor of exhaust outlet and gas returning port and be connected with described exhaust outlet, it is characterized in that: be formed with in the refrigerant exit place of described outdoor air conditioner heat exchanger for reducing the first branch road of indoor temperature with for reducing second branch road of described refrigeration the temperature inside the box, described the first branch road comprises the choke valve being connected successively with the refrigerant exit of described outdoor air conditioner heat exchanger, room conditioning heat exchanger and there is ejection end, the drainage injection valve of drainage end and the port of export, described room conditioning heat exchanger is connected with described ejection end, the described port of export is connected with the gas returning port of described compressor, described the second branch road comprises the expansion valve being connected successively with the refrigerant exit of described outdoor air conditioner heat exchanger and the refrigerating box heat exchanger being connected with the drainage end of described drainage injection valve, described air-conditioning and refrigerating box all-in-one also comprise that independent operating is to reduce the semiconductor cooling device of described refrigeration the temperature inside the box.
2. air-conditioning as claimed in claim 1 and refrigerating box all-in-one, is characterized in that: described compressor is frequency-changeable compressor or screw compressor.
3. air-conditioning as claimed in claim 1 and refrigerating box all-in-one, is characterized in that: described choke valve is electric expansion valve, capillary or heating power expansion valve; Described expansion valve is electric expansion valve or magnetic valve and combination capillaceous.
4. air-conditioning as claimed in claim 1 and refrigerating box all-in-one, is characterized in that: described semiconductor cooling device is single-chip or dual chip.
5. air-conditioning as claimed in claim 1 and refrigerating box all-in-one, it is characterized in that: on described the first branch road, be provided with for controlling first control valve of described cold-producing medium in the mobile break-make of described room conditioning heat exchanger, described the first control valve is arranged between described outdoor air conditioner heat exchanger and described choke valve.
6. air-conditioning as claimed in claim 1 and refrigerating box all-in-one, it is characterized in that: on described the second branch road, be provided with for controlling second control valve of described cold-producing medium in the mobile break-make of described refrigerating box heat exchanger, described the second control valve is arranged between described outdoor air conditioner heat exchanger and described expansion valve.
7. a progress control method for air-conditioning and refrigerating box all-in-one, is characterized in that: described air-conditioning and refrigerating box all-in-one are air-conditioning and the refrigerating box all-in-one as described in claim 1 to 6 any one, and described progress control method comprises the following steps:
Open described refrigerating box and make described refrigerating box in running status; And
At least described semiconductor cooling device is in running status.
8. the progress control method of air-conditioning as claimed in claim 7 and refrigerating box all-in-one, is characterized in that: in the time of described semiconductor cooling device independent cooling operation, it comprises the following steps:
Close described expansion valve and make described refrigerating box heat exchanger in run-stopping status; And
Open separately described semiconductor cooling device to reduce the temperature in described refrigerating box.
9. the progress control method of air-conditioning as claimed in claim 7 and refrigerating box all-in-one, is characterized in that: in the time that described semiconductor cooling device matches refrigerating operaton with described the second branch road, it comprises the following steps:
In the time that described refrigerating box has just been started shooting, detect the temperature in described refrigerating box and the design temperature of described refrigerating box is provided;
Open described expansion valve so that described refrigerating box heat exchanger, in running status, and judges whether the temperature in described refrigerating box drops to described design temperature;
In the time that described refrigeration the temperature inside the box drops to described design temperature, close described expansion valve and make described refrigerating box heat exchanger in run-stopping status, and open described semiconductor cooling device to reduce the temperature in described refrigerating box.
10. the progress control method of air-conditioning as claimed in claim 7 and refrigerating box all-in-one, is characterized in that: in the time that described semiconductor cooling device matches refrigerating operaton with described the second branch road, it comprises the following steps:
When the start of described refrigerating box, its internal temperature is identical with ambient temperature, detects the temperature in described refrigerating box and the design temperature of described refrigerating box is provided;
In the time detecting described refrigeration the temperature inside the box than high 10 DEG C of described design temperature, open described expansion valve so that described refrigerating box heat exchanger, in running status, and judges whether the temperature in described refrigerating box drops to described design temperature;
In the time that described refrigeration the temperature inside the box drops to described design temperature, close described expansion valve and make described refrigerating box heat exchanger in run-stopping status, and open described semiconductor cooling device to reduce the temperature in described refrigerating box.
The progress control method of 11. air-conditionings as claimed in claim 7 and refrigerating box all-in-one, is characterized in that: in the time that described semiconductor cooling device and described the second branch road freeze simultaneously, it comprises the following steps:
, open described expansion valve so that described refrigerating box heat exchanger, all in running status, is opened described semiconductor cooling device simultaneously when the design temperature≤0 in described refrigerating box DEG C.
CN201410424635.4A 2014-08-26 2014-08-26 Air conditioner and refrigerated container integrated machine and operation control method thereof CN104197444A (en)

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Cited By (4)

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WO2018046026A1 (en) * 2016-09-12 2018-03-15 青岛海信日立空调系统有限公司 Air conditioning heat pump system which uses injector, air conditioner, and air conditioner control method
CN111006356A (en) * 2019-12-20 2020-04-14 烟台工程职业技术学院(烟台市技师学院) Internet of things air conditioning system and air conditioner indoor unit

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CN105674433A (en) * 2016-03-04 2016-06-15 青岛海尔空调器有限总公司 Frequency converter air-conditioning system for high-temperature environment
CN106123260A (en) * 2016-06-24 2016-11-16 青岛海信日立空调系统有限公司 A kind of cold recovery energy-saving air conditioning system and control method
WO2018046026A1 (en) * 2016-09-12 2018-03-15 青岛海信日立空调系统有限公司 Air conditioning heat pump system which uses injector, air conditioner, and air conditioner control method
CN111006356A (en) * 2019-12-20 2020-04-14 烟台工程职业技术学院(烟台市技师学院) Internet of things air conditioning system and air conditioner indoor unit

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