CN103033003A - Refrigerant recovery device and recovery control method - Google Patents
Refrigerant recovery device and recovery control method Download PDFInfo
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- CN103033003A CN103033003A CN2011103041921A CN201110304192A CN103033003A CN 103033003 A CN103033003 A CN 103033003A CN 2011103041921 A CN2011103041921 A CN 2011103041921A CN 201110304192 A CN201110304192 A CN 201110304192A CN 103033003 A CN103033003 A CN 103033003A
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Abstract
The invention provides a refrigerant recovery device, and the refrigerant recovery device is applied to an air conditioner; the air conditioner is provided with a compressor, an indoor heat exchanger and an outdoor heat exchanger; the indoor heat exchanger and the outdoor heat exchanger are communicated through two pipe lines, so that a circulation loop is formed; the pipe lines are a liquid pipe and an air pipe; a valve is arranged on each pipe line; the refrigerant recovery device comprises an input module, a processing module and an execution module; the execution module is a four-way valve arranged on the air pipe; a pipe C and a pipe E on the four-way valve are connected with the air pipe respectively; a pipe D and a pipe E of the four-way valve are communicated and further connected with an exhaust port of the compressor; and a pipe C and a pipe S are communicated and further connected with an air suction port of the compressor. With the adoption of the refrigerant recovery device and a recovery control method disclosed by the invention, the recovery is more thorough; no residual refrigerant exists in the outdoor heat exchanger, so that the waste of the refrigerant is prevented and the use cost is decreased; meanwhile, the leakage of the refrigerant during the process of removal for repair by working staff is prevented; and therefore, the environment quality and the staff health are guaranteed.
Description
Technical field
The present invention relates to a kind of refrigerant recovery device, be specifically related to a kind of refrigerant recovery device and recycling and control method.
Background technology
Air conditioner generally comprises indoor set, off-premises station and compressor, indoor set, off-premises station are communicated with the formation closed circuit by tracheae with the liquid pipe, the compressor of traditional air-conditioning mainly is installed in the off-premises station, and the refrigerant recovering in the air conditioner adopts cold-room to turn round to realize, reclaims more thorough.
But there is the part air conditioner on the existing market, its compressor is arranged in the indoor set, when adopting the cold-room running to reclaim refrigerant, general first with the valve closing on the liquid pipe, by after reclaiming after a while with the valve closing on the tracheae, finish recovery, but because the gas that adopts the cold-room running to make to discharge in the compressor enters indoor heat exchanger through outdoor heat converter is laggard first, clockwise running, enter at last the air entry of compressor, because the valve on the liquid pipe closes at the recovery initial stage, but compressor is still in constantly air inlet in the outdoor heat converter, therefore, in the refrigerant recovering process, meeting residual fraction refrigerant can't reclaim refrigerant thoroughly in the off-premises station, part residues in and causes the refrigerant waste serious in the off-premises station, cause the air-conditioning Adjustment cost to improve, and off-premises station is being carried out in the process of detachable maintaining the part secondary refrigerant leakage, to environment, simultaneously staff's safety worked the mischief.
And even adopt the greenhouse running to reclaim refrigerant, in the situation that externally environment temperature is higher, the greenhouse take-back model also can't turn round normally, and refrigerant recovering is not thorough.
Summary of the invention
Adopt the cold-room operation mode to reclaim refrigerant for solving traditional air conditioner, be unsuitable for the mode that compressor is arranged at indoor set, cause refrigerant recovering not thorough, waste is serious, and use cost is higher, and can be to problems such as environment and personnel work the mischief during detachable maintaining, the invention discloses refrigerant recovery device and recycling and control method, to reach thorough recovery refrigerant, reduce use cost, avoid causing the purpose of environmental pollution and human health damage.
Technical scheme of the present invention is as follows:
A kind of refrigerant recovery device, be applied to be provided with on the air conditioner of compressor, indoor heat converter and outdoor heat converter, described indoor heat converter and described outdoor heat converter form closed circuit by 2 pipeline connections, described pipeline is respectively liquid pipe and tracheae, is provided with valve on described each pipeline; Described refrigerant recovery device comprises:
The input module that the refrigerant recovering signal is inputted; Processing module that be electrically connected with described input module and that the signal of described input module input is processed; And be electrically connected and take according to the signal that described processing module provides the Executive Module that moves with described processing module;
Described Executive Module is the cross valve that is arranged on the described tracheae, the C pipe is connected with described tracheae respectively with the E pipe on the described cross valve, described cross valve E, D pipe is communicated with and links to each other with described exhaust outlet of compressor, and C, S pipe is communicated with and links to each other with described compressor air suction mouth.
Preferably, described air conditioner also comprises remote controller, and described input module is the refrigerant recovering button that is arranged on the described remote controller.
Preferably, described processing module is the PLC controller.
A kind of refrigerant recovering control method, the method adopt the greenhouse running to reclaim refrigerant, and concrete steps are as follows:
One, opening power operates described input module, the refrigerant recovery device entry into service;
Two, input module passes to processing module with input signal;
Three, processing module control Executive Module break-make is carried out refrigerant recovering, and the connection of D, E pipe is communicated with C, S pipe, and the refrigerant recovering flow process is: DE pipe-indoor heat converter-liquid pipe-outdoor heat converter-tracheae-CS pipe-compressor air suction mouth;
Four, manually disconnect valve on the liquid pipe;
Five, through the moving valve of closing on the tracheae of defensive position after a while;
Six, after refrigerant recovering is finished, stop the refrigerant recovery device running;
Seven, finish recovery, air conditioner stops.
Preferably, the mode that stops in above-mentioned the 6th step stops more than 30 minutes voluntarily for pressing the running of refrigerant recovering button or remote controller on ﹠ off switch or powered-down or refrigerant recovery device.
Preferably, the described input module of operation is to continue more than 5 seconds in the above-mentioned first step.
Refrigerant recovery device disclosed by the invention and recycling and control method, by input module input refrigerant recovering signal, processing module is processed signal and control Executive Module makes cross valve carry out break-make by setting means, compulsory implement greenhouse operation mode, refrigerant is reclaimed, be not subjected to the restriction of external temperature, reclaim comparatively thorough, there is not residual refrigerant in the outdoor heat converter, avoid the waste of refrigerant, reduce use cost, simultaneously, the leakage of residual refrigerant when avoiding staff's detachable maintaining guarantees environmental quality and personnel health.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of air conditioner among the present invention;
Fig. 2 is the connecting circuit figure of refrigerant recovery device disclosed by the invention;
Fig. 3 is the flow chart of refrigerant recovering control method disclosed by the invention.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
11, indoor heat converter 12, outdoor heat converter 13, compressor 14, cross valve 15, air entry 16, exhaust outlet 17, tracheae 18, liquid pipe.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The invention discloses refrigerant recovery device and recycling and control method, to reach thorough recovery refrigerant, reduce use cost, avoid causing the purpose of environmental pollution and human health damage.
Shown in Fig. 1-2, refrigerant recovery device, be applied to be provided with on the air conditioner of compressor 13, indoor heat converter 11, outdoor heat converter 12, indoor heat converter 11 forms closed circuit with outdoor heat converter 12 by 2 pipeline connections, pipeline is respectively liquid pipe 18 and tracheae 17, be provided with valve on each pipeline, be respectively valve 1 and valve 2, refrigerant recovery device comprises:
The input module that the refrigerant recovering signal is inputted; Processing module that be electrically connected with input module and that the signal of input module input is processed; And be electrically connected and take according to the signal that processing module provides the Executive Module that moves with processing module.
Air conditioner also comprises the remote controller (not shown), input module is the refrigerant recovering button that is arranged on the remote controller, by pressing the refrigerant recovering button refrigerant recovering signal is inputted, wherein, the refrigerant recovering button is upper outside except being arranged at remote controller, also can be arranged on the guidance panel of air conditioner host, particular location does not limit.
Processing module is PLC controller (not shown), and Executive Module is the cross valve 14 that is arranged on the tracheae 17.
Reclaim key-press input refrigerant recovering signal by pressing cold coal, PLC controller control cross valve 14 carries out break-make by setting means, realizes that greenhouse is forced running in the air conditioner, reclaims refrigerant, guarantees that refrigerant recovering is thorough.
The C pipe of cross valve 14 is communicated with tracheae 17 respectively with the E pipe, and the S pipe is connected with the air entry 15 of compressor 13, and the D pipe is connected with the exhaust outlet 16 of compressor 13.
The PLC controller passes to cross valve 14 with executive signal, is communicated with so that DE pipe is communicated with the SC pipe, and the CD pipe disconnects with the SE pipe, so that the gas of discharging in the compressor 13 moves by counter clockwise direction, compulsory implement greenhouse operation mode is guaranteed the recovery completeness of refrigerant.
One, opening power operates described input module, the refrigerant recovery device entry into service;
Two, input module passes to processing module with input signal;
Three, processing module control Executive Module break-make is carried out refrigerant recovering, and the connection of D, E pipe is communicated with C, S pipe, and the refrigerant recovering flow process is: DE pipe-indoor heat converter-liquid pipe-outdoor heat converter-tracheae-CS pipe-compressor air suction mouth;
Four, manually disconnect valve 1 on the liquid pipe;
Five, through the moving valve 2 of closing on the tracheae of defensive position after a while;
Six, after refrigerant recovering is finished, stop the refrigerant recovery device running;
Seven, finish recovery, air conditioner stops.
The mode that refrigerant recovery device shuts down the concrete restriction such as stops voluntarily for pressing the running of refrigerant recovering button or remote controller on ﹠ off switch or powered-down or refrigerant recovery device more than 30 minutes.
When starting refrigerant recovery device, open more than 5 seconds by the ongoing operation input module.
When adopting the greenhouse operation mode, the connection of the D of cross valve 14, E pipe is communicated with S, C pipe, and gas is discharged by the exhaust outlet 16 of overcompression machine, through DE pipe-indoor heat converter 11-liquid pipe 18-outdoor heat converter 12-tracheae 17-CS pipe-compressor air suction mouth 15; The refrigerant trend of whole removal process is for counterclockwise, in the process of refrigerant recovering, disconnect first valve 1, because valve 2 is in connected state, therefore the compressor air suction mouth constantly carries out air-breathing, reclaim refrigerant, complete by guaranteeing that after a period of time outdoor heat converter 12 interior refrigerants are absorbed, shut off valve 2 is finished recovery.
Wherein the time interval of 1 on valve 2 and valve decides on concrete situation, can guarantee that the abundant recovery of refrigerant gets final product, and does not specifically limit.
By adopting the PLC controller, force the valve on the break-make cross valve, guarantee that gas is by counterclockwise operation, and by priority on-off valve 1 and valve 2, when air inlet one end was obstructed, the compressor air suction mouth still can carry out air-breathing recovery to outdoor heat converter, guaranteed the completeness of refrigerant recovering.
In addition, reclaim refrigerant if adopt cold-room to turn round, can be communicated with the DC pipe by the connection of control cross valve ES pipe, gas moves recyclable refrigerant in the direction of the clock by the exhaust outlet of compressor, concrete employing cold-room or greenhouse running depend on the circumstances, and specifically do not limit.
Refrigerant recovery device disclosed by the invention and recycling and control method, by input module input refrigerant recovering signal, processing module is processed signal and control Executive Module makes cross valve carry out break-make by setting means, compulsory implement greenhouse operation mode, refrigerant is reclaimed, be not subjected to the restriction of external temperature, reclaim comparatively thorough, there is not residual refrigerant in the outdoor heat converter, avoid the waste of refrigerant, reduce use cost, simultaneously, the leakage of residual refrigerant when avoiding staff's detachable maintaining guarantees environmental quality and personnel health.
More than be the description to the embodiment of the invention, by the above-mentioned explanation to the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. refrigerant recovery device, be applied to be provided with on the air conditioner of compressor, indoor heat converter and outdoor heat converter, described indoor heat converter and described outdoor heat converter form closed circuit by 2 pipeline connections, described pipeline is respectively liquid pipe and tracheae, is provided with valve on described each pipeline; It is characterized in that described refrigerant recovery device comprises:
The input module that the refrigerant recovering signal is inputted; Processing module that be electrically connected with described input module and that the signal of described input module input is processed; And be electrically connected and take according to the signal that described processing module provides the Executive Module that moves with described processing module;
Described Executive Module is the cross valve that is arranged on the described tracheae, the C pipe is connected with described tracheae respectively with the E pipe on the described cross valve, described cross valve E, D pipe is communicated with and links to each other with described exhaust outlet of compressor, and C, S pipe is communicated with and links to each other with described compressor air suction mouth.
2. refrigerant recovery device according to claim 1 is characterized in that, described air conditioner also comprises remote controller, and described input module is the refrigerant recovering button that is arranged on the described remote controller.
3. refrigerant recovery device according to claim 1 and 2 is characterized in that, described processing module is the PLC controller.
4. a refrigerant recovering control method is characterized in that, the method adopts the greenhouse running to reclaim refrigerant, and concrete steps are as follows:
One, opening power operates described input module, the refrigerant recovery device entry into service;
Two, input module passes to processing module with input signal;
Three, processing module control Executive Module break-make is carried out refrigerant recovering, and the connection of D, E pipe is communicated with C, S pipe, and the refrigerant recovering flow process is: DE pipe-indoor heat converter-liquid pipe-outdoor heat converter-tracheae-CS pipe-compressor air suction mouth;
Four, manually disconnect valve on the liquid pipe;
Five, through the moving valve of closing on the tracheae of defensive position after a while;
Six, after refrigerant recovering is finished, stop the refrigerant recovery device running;
Seven, finish recovery, air conditioner stops.
5. refrigerant recovering control method according to claim 4 is characterized in that, the mode that stops in above-mentioned the 6th step stops more than 30 minutes voluntarily for pressing the running of refrigerant recovering button or remote controller on ﹠ off switch or powered-down or refrigerant recovery device.
6. according to claim 4 or 5 described refrigerant recovering control methods, it is characterized in that the described input module of operation is for continuing more than 5 seconds in the above-mentioned first step.
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| CN2011103041921A CN103033003A (en) | 2011-10-10 | 2011-10-10 | Refrigerant recovery device and recovery control method |
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| CN2011103041921A CN103033003A (en) | 2011-10-10 | 2011-10-10 | Refrigerant recovery device and recovery control method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019525A (en) * | 2014-06-24 | 2014-09-03 | 广东美的暖通设备有限公司 | Recycling method and recycling system for air conditioner coolant |
| CN104457054A (en) * | 2014-11-17 | 2015-03-25 | 广东美的制冷设备有限公司 | Method and device for recovering air conditioner coolants |
| CN105864930A (en) * | 2016-04-18 | 2016-08-17 | 广东高而美制冷设备有限公司 | Symmetrical layered type all-in-one machine |
| CN107228501A (en) * | 2017-05-24 | 2017-10-03 | 广东志高暖通设备股份有限公司 | A kind of air conditioner |
| CN107621058A (en) * | 2017-08-29 | 2018-01-23 | 珠海格力电器股份有限公司 | Indoor-unit cooling-medium control device and its control method, indoor set and air-conditioning system |
| CN108168167A (en) * | 2018-02-01 | 2018-06-15 | 青岛绿环工业设备有限公司 | A kind of refrigerant recovering purification filling all-in-one machine |
| CN110199162A (en) * | 2017-01-19 | 2019-09-03 | 三菱电机株式会社 | Freezing cycle device |
| CN110411082A (en) * | 2019-07-23 | 2019-11-05 | 珠海格力电器股份有限公司 | Refrigerant recovery system and its control method, device, controller and air-conditioning system |
| CN110940039A (en) * | 2019-12-16 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | High-temperature liquid-collecting multi-split refrigerant recovery method and device and multi-split system |
| CN111148950A (en) * | 2017-10-05 | 2020-05-12 | 三菱电机株式会社 | Air conditioner |
| CN113007932A (en) * | 2021-03-18 | 2021-06-22 | 珠海格力电器股份有限公司 | Refrigerant adjusting device, refrigerant recovery equipment and control method of refrigerant recovery equipment |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104019525A (en) * | 2014-06-24 | 2014-09-03 | 广东美的暖通设备有限公司 | Recycling method and recycling system for air conditioner coolant |
| CN104457054A (en) * | 2014-11-17 | 2015-03-25 | 广东美的制冷设备有限公司 | Method and device for recovering air conditioner coolants |
| CN105864930A (en) * | 2016-04-18 | 2016-08-17 | 广东高而美制冷设备有限公司 | Symmetrical layered type all-in-one machine |
| CN110199162A (en) * | 2017-01-19 | 2019-09-03 | 三菱电机株式会社 | Freezing cycle device |
| CN107228501A (en) * | 2017-05-24 | 2017-10-03 | 广东志高暖通设备股份有限公司 | A kind of air conditioner |
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| CN107621058A (en) * | 2017-08-29 | 2018-01-23 | 珠海格力电器股份有限公司 | Indoor-unit cooling-medium control device and its control method, indoor set and air-conditioning system |
| CN111148950A (en) * | 2017-10-05 | 2020-05-12 | 三菱电机株式会社 | Air conditioner |
| CN111148950B (en) * | 2017-10-05 | 2021-11-02 | 三菱电机株式会社 | Air conditioner |
| CN108168167A (en) * | 2018-02-01 | 2018-06-15 | 青岛绿环工业设备有限公司 | A kind of refrigerant recovering purification filling all-in-one machine |
| CN110411082A (en) * | 2019-07-23 | 2019-11-05 | 珠海格力电器股份有限公司 | Refrigerant recovery system and its control method, device, controller and air-conditioning system |
| CN110940039B (en) * | 2019-12-16 | 2020-10-27 | 宁波奥克斯电气股份有限公司 | High-temperature liquid-collecting multi-split refrigerant recovery method and device and multi-split system |
| CN110940039A (en) * | 2019-12-16 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | High-temperature liquid-collecting multi-split refrigerant recovery method and device and multi-split system |
| CN113007932A (en) * | 2021-03-18 | 2021-06-22 | 珠海格力电器股份有限公司 | Refrigerant adjusting device, refrigerant recovery equipment and control method of refrigerant recovery equipment |
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Application publication date: 20130410 |