CN104075419A - Flammable refrigerant air-conditioner fire protection system and application method thereof as well as air-conditioner - Google Patents
Flammable refrigerant air-conditioner fire protection system and application method thereof as well as air-conditioner Download PDFInfo
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- CN104075419A CN104075419A CN201410314739.XA CN201410314739A CN104075419A CN 104075419 A CN104075419 A CN 104075419A CN 201410314739 A CN201410314739 A CN 201410314739A CN 104075419 A CN104075419 A CN 104075419A
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- conditioner
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- fire prevention
- prevention system
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Abstract
The invention discloses a flammable refrigerant air-conditioner fire protection system and an application method thereof as well as an air-conditioner. The flammable refrigerant air-conditioner fire protection system comprises a detection device (50) for detecting the environmental conditions of an indoor unit (20) of the air-conditioner, and a control device which is connected to the detection device (50) and used for determining whether the environmental conditions of the indoor unit (20) are abnormal according to the environmental conditions detected by the detection device (50), and sending out a control instruction to control the air-conditioner to enable a refrigerant recovery action when the environmental conditions are abnormal. The flammable refrigerant air-conditioner fire protection system is capable of effectively preventing the problem that the flammable refrigerant air-conditioner is burnt and even exploded due to fire spreading in the indoor environment.
Description
Technical field
The present invention relates to air-conditioner fireproofing technique field, in particular to a kind of combustible refrigerant air-conditioner fire prevention system and application process thereof, air-conditioner.
Background technology
Combustible refrigerant air-conditioner is because the cold-producing medium that it adopts is flammable, once therefore cold-producing medium leaks, if produce electric spark etc. in air-conditioner operating process, will cause cold-producing medium burning, cause air-conditioner scaling loss, severe patient is initiation fire even, causes larger economic loss.
Existing combustible refrigerant air-conditioner biases toward takes precautions against direct safety problem or the hidden danger being caused by the problems such as leakage of air conditioner chamber inner side.And in the use procedure of air-conditioner, if other article etc. are on fire for some reason in room, now traditional safeguard procedures of having in mind from air-conditioning self are ineffective, combustible refrigerant air-conditioner will face because being subject to interior environment to play the fire spread even danger of blast of burning.
Summary of the invention
A kind of combustible refrigerant air-conditioner fire prevention system and application process thereof, air-conditioner are provided in the embodiment of the present invention, can effectively prevent that combustible refrigerant air-conditioner is because being subject to indoor environment to play the problem that fire spread is burnt and even exploded.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of combustible refrigerant air-conditioner fire prevention system, comprising: checkout gear, for detection of the residing environmental aspect of indoor set of air-conditioner; Control device, is connected to checkout gear, and the environmental aspect detecting according to checkout gear judges that whether the residing environmental aspect of indoor set is abnormal, and when environmental aspect is abnormal, sends control instruction, controls air-conditioner and starts refrigerant-recovery action.
As preferably, checkout gear comprises temperature sensor and/or Smoke Sensor.
As preferably, combustible refrigerant air-conditioner fire prevention system also comprises tapping equipment, and tapping equipment is arranged on off-premises station place side, and according to the instruction of control device, the cold-producing medium of off-premises station one side is disposed to outdoor environment.
As preferably, tapping equipment is safety valve.
As preferably, combustible refrigerant air-conditioner fire prevention system also comprises the first control valve of the entrance point that is arranged on off-premises station and is arranged on the second control valve of the port of export of off-premises station, and the first control valve and the second control valve are all connected to control device.
As preferably, combustible refrigerant air-conditioner fire prevention system also comprises warning device, and warning device is connected to control device, and gives the alarm according to the control instruction of control device.
According to a further aspect in the invention, provide a kind of air-conditioner, comprised the indoor set, throttling arrangement, off-premises station and the compressor that connect successively, also comprised above-mentioned combustible refrigerant air-conditioner fire prevention system.
In accordance with a further aspect of the present invention, provide a kind of application process of combustible refrigerant air-conditioner fire prevention system, having comprised: step S1: the residing environmental aspect of indoor set that detects air-conditioner; Step S2: judge that according to the environmental aspect detecting whether the residing environmental aspect of indoor set is abnormal, when environmental aspect is abnormal, controls air-conditioner and start refrigerant-recovery action.
As preferably, control the step that air-conditioner starts refrigerant-recovery action and comprise: second control valve of closing the port of export that is positioned at off-premises station; Compressor continues after t, cut out the first control valve of the entrance point that is positioned at off-premises station running time and shut down, and cold-producing medium is carried out and reclaimed action.
As preferably, compressor continue that operation t closes the first control valve of the entrance point that is positioned at off-premises station after the time and the step of shutting down after also comprise: directly to air-conditioner power-off; Or by safety valve, combustible refrigerant is discharged into outdoor environment in refrigerant-recovery process or after shutting down, afterwards to air-conditioner power-off.
As preferably, step S2 also comprises: when determining that the environmental aspect of indoor set is abnormal, control warning device and give the alarm.
Apply technical scheme of the present invention, combustible refrigerant air-conditioner fire prevention system comprises: checkout gear, for detection of the residing environmental aspect of indoor set of air-conditioner; Control device, be connected to described checkout gear, the described environmental aspect detecting according to described checkout gear judges that whether the residing environmental aspect of described indoor set is abnormal, and sends control instruction when described environmental aspect is abnormal, controls described air-conditioner and starts refrigerant-recovery action.When this combustible refrigerant air-conditioner fire prevention system of application, can detect in real time by checkout gear the running environment of the indoor set of air-conditioner, once indoor set one side is because indoor other article etc. are on fire for some reason, the environmental aspect of indoor set work will occur extremely, control device is receiving the running environment situation of the detected indoor set of checkout gear, and determine when this situation is abnormal, will start refrigerant-recovery action, prevent that combustible refrigerant from flowing to indoor set, therefore can effectively guarantee that air-conditioner can the even danger of blast of burning not occur because being subject to indoor set to play fire spread around, security while having improved air-conditioner work.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the air-conditioner of the embodiment of the present invention;
Fig. 2 is the fundamental diagram of the combustible refrigerant air-conditioner fire prevention system of the embodiment of the present invention;
Fig. 3 is the workflow diagram of the combustible refrigerant air-conditioner fire prevention system of the embodiment of the present invention.
Description of reference numerals: 10, off-premises station; 20, indoor set; 30, throttling arrangement; 40, compressor; 50, checkout gear; 60, the first control valve; 70, safety valve; 80, the second control valve; 11, condenser; 12, outer blower fan; 21, evaporimeter; 22, inner blower.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
As depicted in figs. 1 and 2, according to embodiments of the invention, combustible refrigerant air-conditioner fire prevention system comprises checkout gear 50 and control device.Checkout gear 50 is for detection of the residing environmental aspect of indoor set 20 of air-conditioner, it can be arranged on indoor set 20, also can be arranged on other mounting structures of indoor set 20 annexes, as long as can carry out detecting in real time to the environmental aspect of indoor set 20 present positions.
Control device is connected to checkout gear 50, for the detected environmental aspect of receiving detection device 50, and the environmental aspect detecting according to checkout gear 50 judges that whether environmental aspect is abnormal, for example whether produce smog, or whether temperature exceeds normal temperature etc., and send control instruction when judgement environmental aspect is abnormal, control air-conditioner and start refrigerant-recovery action.
When this combustible refrigerant air-conditioner fire prevention system of application, can detect in real time the running environment of the indoor set 20 of air-conditioner by checkout gear 50, once the residing environment of indoor set 20 is due to indoor other article etc. and on fire, the environmental aspect of indoor set 20 work will occur extremely, control device is receiving the running environment situation of the detected indoor set 20 of checkout gear 50, and determine when this environmental aspect is abnormal, will control air-conditioner and start refrigerant-recovery action, prevent that combustible refrigerant from continuing to flow to indoor set 20, therefore can effectively guarantee that air-conditioner can the even danger of blast of burning not occur because being subject to the surrounding of indoor set 20 to play fire spread, security while having improved air-conditioner work.
Checkout gear 50 comprises temperature sensor and/or Smoke Sensor, and environmental aspect can comprise the situations such as temperature and/or smog.If checkout gear comprises temperature sensor, on control device, should be provided with temperature threshold, when the residing environment temperature of indoor set 20 detecting higher than set temperature threshold time, control device just starts refrigerant-recovery action.Above-mentioned temperature sensor can be infrared temperature detector.
A plurality of temperature sensors and/or Smoke Sensor are separately positioned on the diverse location of indoor set 20, can detect the environmental aspect at the diverse location place of indoor set 20, can detect more effectively all sidedly indoor set 20 environment of living in whether accident on fire occurs.
Combustible refrigerant air-conditioner fire prevention system also comprises tapping equipment, tapping equipment is arranged on off-premises station 10 place sides, and according to the instruction of control device, the cold-producing medium of off-premises station 10 1 sides is disposed to outdoor environment, thereby combustible refrigerant that indoor set 20 places contain is emitted by the tapping equipment at off-premises station 10 places, reduce the content of indoor set 20 interior combustible refrigerants, avoid indoor set 20 because combustible refrigerant content is compared with igniting greatly.Tapping equipment is for example safety valve 70, and safety valve 70 is the valves that can control automatic-discharging cold-producing medium.
Combustible refrigerant air-conditioner fire prevention system also comprises the first control valve 60 on the tube connector of the entrance point that is arranged on off-premises station 10 and the second control valve 80, the first control valves 60 and the second control valve 80 that are arranged on the tube connector of the port of export of off-premises station 10 are all connected to control device.The first control valve 60 and the second control valve 80 be all can automatic control switch stop valve, the action that can flow into more easily and flow out indoor set 20 to cold-producing medium be controlled.When environmental aspect is abnormal, controller just can move by controlling the recovery that the first control valve 60 and the second control valve 80 carry out cold-producing medium, prevent that better cold-producing medium from continuing to supplement to indoor set 20, thereby more effectively avoid air-conditioner because being subject to indoor set 20 impact of a fire spread around that the even danger of blast of burning occurs.
Combustible refrigerant air-conditioner fire prevention system also comprises warning device, and warning device is connected to control device, and gives the alarm according to the control instruction of control device.If during control device judgement environmental aspect no exceptions, do not send control instruction to warning device.Warning device can be buzzer or visual alarm, or audible-visual annunciator.
In conjunction with shown in Figure 1, according to embodiments of the invention, air-conditioner comprises indoor set 20, throttling arrangement 30, off-premises station 10 and the compressor 40 connecting successively, also comprise above-mentioned combustible refrigerant air-conditioner fire prevention system, on near the mounting structure that combustible refrigerant air-conditioner fire prevention system is arranged on indoor set 20 or indoor set 20 is, the arrival end of compressor 40 is provided with the first control valve 60, and the port of export of throttling arrangement 30 is provided with the second control valve 80.Off-premises station 10 comprises the outer blower fan 12 that condenser 11 and corresponding condenser 11 arrange.Indoor set 20 comprises the inner blower 22 that evaporimeter 21 and corresponding evaporimeter 21 arrange.
In conjunction with shown in Figure 3, according to embodiments of the invention, the application process of combustible refrigerant air-conditioner fire prevention system comprises: step S1: the residing environmental aspect of indoor set 20 that detects air-conditioner; Step S2: judge that according to the environmental aspect detecting whether the residing environmental aspect of indoor set 20 is abnormal, when environmental aspect is abnormal, control air-conditioner and start refrigerant-recovery action, make cold-producing medium to be recycled to off-premises station 10 from indoor set 20, and prevent that cold-producing medium from continuing to flow to indoor set 20 from off-premises station 10, thereby prevent that combustible refrigerant from continuing to enter indoor set 20, avoid indoor set 20 even to explode because burning occurs in the impact that is subject to indoor set to play fire spread around.
The step of controlling the action of air-conditioner startup refrigerant-recovery comprises: second control valve 80 of closing the port of export that is positioned at off-premises station 10, its object is to cut off cold-producing medium and from off-premises station 10, flows to the path of indoor set 20, avoids continuing supplementing combustible refrigerant to indoor set 20; Compressor 40 continues after t, to cut out the first control valve 60 of the entrance point that is positioned at off-premises station 10 and shuts down running time, and cold-producing medium is carried out and reclaimed action.At compressor 40, continue in the time period of operation, the first control valve 60 is opened, and the combustible refrigerant in indoor set 20 continues to flow to off-premises station 10 under the compression of compressor 40, thereby can be recycled to off-premises station 10.During this period, the combustible refrigerant content in indoor set 20 declines to a great extent, and can be reduced to below combustible concentration, thereby avoid combustible refrigerant to burn because indoor set 20 plays fire spread around.
Compressor 40 continues after t, to cut out the first control valve 60 of the entrance point that is positioned at off-premises station 10 running time and the step of shutting down also comprises afterwards: directly to air-conditioner power-off; Or by safety valve 70, combustible refrigerant is discharged into outdoor environment in refrigerant-recovery process or after shutting down, afterwards to air-conditioner power-off.In refrigerant-recovery process or after shutting down, by safety valve 70, combustible refrigerant is discharged into outdoor environment; afterwards to air-conditioner power-off; can combustible refrigerant be discharged in outdoor environment by safety valve 70; further reduce the combustible refrigerant content in whole air-conditioner, avoid the power source fire-striking combustible refrigerant that ignites.
Step S2 also comprises: when determining that the environmental aspect of indoor set 20 is abnormal, control warning device and give the alarm.By warning device, give the alarm, can cause that user notes, process in time the problem that the surrounding igniting of indoor set 20 is ignited, timely and effectively air-conditioner is protected, also can play reminding effect, prevent that air-conditioner initiation fire from causing casualties.
The checkout gear of take is below illustrated the application process of this combustible refrigerant air-conditioner fire prevention system as temperature-detecting device as example.
The surrounding environment that indoor set 20 detected when temperature sensor is during lower than ceiling temperature T (for example 100 ℃), and control device does not send refrigerant-recovery instruction.
The ambient temperature that indoor set 20 detected when temperature sensor is during higher than ceiling temperature T, control device sends refrigerant-recovery instruction at once, control air-conditioner and start refrigerant-recovery action, and simultaneously and send controlling alarm instruction, control warning device and give the alarm.
The concrete steps that air-conditioner starts refrigerant-recovery action are, control device is when control warning device gives the alarm, control is positioned at the second control valve 80 of the port of export of off-premises station 10 and closes, with prevent combustible refrigerant by off-premises station 10 by the pipeline indoor set 20 processed that again circulates, the combustible refrigerant in indoor set 20 is supplemented.Compressor shuts down and cuts out the first control valve 60 of the arrival end that is positioned at off-premises station 10 after 40 continuation operation t times; to guarantee that the combustible refrigerant in air-conditioner hose can be recycled in off-premises station 10 as best one can, thereby reduce as much as possible the content of the combustible refrigerant in indoor set 20.
After completing above-mentioned steps, can shut down rear directly power-off at compressor 40, also can according to circumstances in refrigerant-recovery process or after shutting down, by safety valve 70, directly combustible refrigerant be discharged into outdoor environment, shut down afterwards power-off.If when for example cold-producing medium being continued to be recycled to off-premises station 10 and may cause off-premises station 10 to ignite, now the combustible refrigerant in off-premises station 10 should be disposed in outdoor environment, concentration with the combustible refrigerant in dilution off-premises station 10, it is reduced to below combustible concentration, thereby reduces the possibility that off-premises station 10 ignites.
Temperature sensor also can make Smoke Sensor into, comes control system to work, or also can on the off-premises station 10 of air-conditioner, configure temperature sensor and Smoke Sensor simultaneously by detecting smog.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, not departing under the prerequisite of basic principle of the present invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (11)
1. a combustible refrigerant air-conditioner fire prevention system, is characterized in that, comprising:
Checkout gear (50), for detection of the residing environmental aspect of indoor set (20) of air-conditioner;
Control device, be connected to described checkout gear (50), the described environmental aspect detecting according to described checkout gear (50) judges that whether the residing environmental aspect of described indoor set (20) is abnormal, and send control instruction when described environmental aspect is abnormal, control described air-conditioner and start refrigerant-recovery action.
2. combustible refrigerant air-conditioner fire prevention system according to claim 1, is characterized in that, described checkout gear (50) comprises temperature sensor and/or Smoke Sensor.
3. combustible refrigerant air-conditioner fire prevention system according to claim 1, it is characterized in that, described combustible refrigerant air-conditioner fire prevention system also comprises tapping equipment, described tapping equipment is arranged on off-premises station (10) place side, and according to the instruction of described control device, the cold-producing medium of described off-premises station (10) one sides is disposed to outdoor environment.
4. combustible refrigerant air-conditioner fire prevention system according to claim 3, is characterized in that, described tapping equipment is safety valve (70).
5. combustible refrigerant air-conditioner fire prevention system according to claim 1, it is characterized in that, described combustible refrigerant air-conditioner fire prevention system also comprises first control valve (60) of the entrance point that is arranged on off-premises station (10) and is arranged on second control valve (80) of the port of export of described off-premises station (10), and described the first control valve (60) and described the second control valve (80) are all connected to described control device.
6. combustible refrigerant air-conditioner fire prevention system according to claim 1, it is characterized in that, described combustible refrigerant air-conditioner fire prevention system also comprises warning device, and described warning device is connected to described control device, and gives the alarm according to the control instruction of described control device.
7. an air-conditioner, comprise the indoor set (20), throttling arrangement (30), off-premises station (10) and the compressor (40) that connect successively, it is characterized in that, also comprise the combustible refrigerant air-conditioner fire prevention system described in any one in claim 1 to 6.
8. an application process for combustible refrigerant air-conditioner fire prevention system, is characterized in that, comprising:
Step S1: the residing environmental aspect of indoor set (20) that detects air-conditioner;
Step S2: judge that according to the described environmental aspect detecting whether the residing environmental aspect of described indoor set (20) is abnormal, when described environmental aspect is abnormal, controls air-conditioner and start refrigerant-recovery action.
9. application process according to claim 8, is characterized in that, the step that described control air-conditioner starts refrigerant-recovery action comprises:
Close second control valve (80) of the port of export that is positioned at off-premises station (10);
Compressor (40) continues after t, cut out first control valve (60) of the entrance point that is positioned at described off-premises station (10) running time and shut down, and cold-producing medium is carried out and reclaimed action.
10. application process according to claim 9, is characterized in that, described compressor (40) continuation operation t also comprises after closing first control valve (60) of the entrance point that is positioned at described off-premises station (10) the step of shutdown after the time:
Directly to described air-conditioner power-off; Or
In refrigerant-recovery process or after shutting down, by safety valve (70), combustible refrigerant is discharged into outdoor environment, afterwards to described air-conditioner power-off.
11. application processes according to claim 8, is characterized in that, described step S2 also comprises: when determining that the described environmental aspect of described indoor set (20) is abnormal, control warning device and give the alarm.
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| CN201410314739.XA CN104075419B (en) | 2014-07-02 | 2014-07-02 | Combustible refrigerant air conditioner fire prevention system and its application process, air conditioner |
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| CN201410314739.XA CN104075419B (en) | 2014-07-02 | 2014-07-02 | Combustible refrigerant air conditioner fire prevention system and its application process, air conditioner |
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| CN105405246A (en) * | 2015-12-16 | 2016-03-16 | 广东志高空调有限公司 | Air conditioner with intelligent fireproof alarm function |
| CN110057024A (en) * | 2019-04-12 | 2019-07-26 | 青岛海尔空调器有限总公司 | Air treatment system, control method and air conditioner for air treatment system |
| CN114264035A (en) * | 2021-12-20 | 2022-04-01 | Tcl空调器(中山)有限公司 | Control method of air conditioner medium, air conditioner and electronic equipment |
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| Publication number | Publication date |
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| CN104075419B (en) | 2017-10-13 |
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