CN104075420A - 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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- CN104075420A CN104075420A CN201410314776.0A CN201410314776A CN104075420A CN 104075420 A CN104075420 A CN 104075420A CN 201410314776 A CN201410314776 A CN 201410314776A CN 104075420 A CN104075420 A CN 104075420A
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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 outdoor unit (10) of the air-conditioner, and a control device which is connected to the detection device (50) and used for determining whether the environmental conditions are abnormal according to the environmental conditions detected by the detection device (50), and enabling a protection action when the environmental conditions are abnormal. The flammable refrigerant air-conditioner fire protection system is capable of effectively preventing fire of the outdoor unit of the air-conditioner from spreading to the indoor unit of the air-conditioner, preventing that the indoor unit of the air-conditioner is on fire and even exploded due to the fire of the outdoor unit, and improving the safety of the air-conditioner in use.
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 outside is on fire for some reason, combustible refrigerant air-conditioner also may be introduced indoor by the accident on fire of outdoor environment, cause the indoor even danger of blast on fire.
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, the catching fire that can effectively prevent air conditioner chamber outside spreads to air conditioner chamber inner side, avoid the indoor even problem of blast on fire causing because outside is on fire, the security while improving air-conditioner use.
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 off-premises station of air-conditioner; Control device, is connected to checkout gear, and the environmental aspect detecting according to checkout gear judges that whether environmental aspect is abnormal, and when environmental aspect is abnormal, carries out protection action.
As preferably, checkout gear comprises temperature sensor and/or Smoke Sensor, and environmental aspect comprises temperature and/or smog.
As preferably, a plurality of temperature sensors and/or Smoke Sensor are separately positioned on the diverse location of off-premises station.
As preferably, combustible refrigerant air-conditioner fire prevention system also comprises tapping equipment, and tapping equipment is arranged on off-premises station with the combustible refrigerant in discharge off-premises station.
As preferably, tapping equipment comprises a plurality of safety valves that are arranged on off-premises station diverse location, and the direction of a plurality of safety valves is different.
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, is connected to control device, and gives the alarm after receiving the alarm command 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, application process comprises: step S1: detect the residing environmental aspect of off-premises station; Step S2: judge whether to occur extremely according to the environmental aspect detecting, and start protection action when environmental aspect is abnormal.
As preferably, step S2 also comprises: step S21: when environmental aspect being detected when abnormal, close the second control valve of the off-premises station port of export; Step S22: keep compressor to continue the operation t1 time; Step S23: shut down, and close the first control valve of off-premises station arrival end.
As preferably, step S2 also comprises: step S24: the abnormal minimum position of the relatively environmental state information of off-premises station position, and the environmental aspect of definite off-premises station; Step S25: determine apart from the nearest safety valve of the abnormal minimum position of environmental aspect, open this safety valve and keep the t2 time, so that the combustible refrigerant in off-premises station is discharged into outdoor environment; Step S26: close this safety valve.
As preferably, application process also comprises: step S3: when environmental aspect being detected when 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 off-premises station of air-conditioner; Control device, is connected to checkout gear, and the environmental aspect detecting according to checkout gear judges that whether environmental aspect is abnormal, and when environmental aspect is abnormal, starts protection 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 off-premises station of air-conditioner, once off-premises station one side is on fire because other reasons causes, outside environmental aspect will occur extremely, control device is receiving the running environment situation of the detected off-premises station of checkout gear, and determine when this situation is abnormal, will start protection action, rapidly the off-premises station situation of igniting is processed in time, the catching fire that therefore can effectively prevent air conditioner chamber outside spreads to air conditioner chamber inner side, avoid the indoor even problem of blast on fire causing because outside is on fire, security while improving air-conditioner use.
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.
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, for detection of the residing environmental aspect of off-premises station 10 of air-conditioner, can be arranged on off-premises station 10, also can be arranged on other mounting structure, as long as can carry out detecting in real time to the environmental aspect of off-premises station 10 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 when judgement environmental aspect is abnormal, start protection action, prevent that the intensity of a fire is extended down to indoor set 20 place sides from off-premises station 10 place lateral bines.
Whether abnormal by environmental aspects such as detected temperatures or smog, just can detect not leaking by combustible refrigerant the accident on fire causing, the catching fire that can more effectively prevent air conditioner chamber outside spreads to air conditioner chamber inner side, avoid the indoor even problem of blast on fire causing because outside is on fire, the security while improving air-conditioner use.
When this combustible refrigerant air-conditioner fire prevention system of application, can detect in real time the running environment of the off-premises station 10 of air-conditioner by checkout gear 50, once off-premises station 10 1 sides are on fire because other reasons causes, outside environmental aspect will occur extremely, control device is receiving the running environment situation of the detected off-premises station 10 of checkout gear 50, and determine when this situation is abnormal, will start protection action, take measures to prevent that the catching fire of outside from spreading to indoor, the catching fire that therefore can effectively prevent air conditioner chamber outside spreads to air conditioner chamber inner side, avoid the indoor even problem of blast on fire causing because outside is on fire, security while improving air-conditioner use.
Combustible refrigerant air-conditioner fire prevention system also comprises warning device, this warning device is connected to control device, and give the alarm after receiving the alarm command of control device, if when control device judges environmental aspect no exceptions, do not send control instruction to warning device.Warning device can be buzzer or visual alarm, or audible-visual annunciator.
Checkout gear 50 comprises temperature sensor and/or Smoke Sensor, and environmental aspect comprises 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 off-premises station 10 detecting higher than set temperature threshold time, control device just starts protection action.
A plurality of temperature sensors and/or Smoke Sensor are separately positioned on the diverse location of off-premises station 10, can detect the environmental aspect at the diverse location place of off-premises station 10, can detect more effectively all sidedly off-premises station 10 whether accident on fire occurs.
Combustible refrigerant air-conditioner fire prevention system also comprises tapping equipment, and tapping equipment is arranged on off-premises station 10 with the combustible refrigerant in discharge off-premises station 10.When checkout gear 50 detects the residing environmental aspect of off-premises station 10 when abnormal, just can the combustible refrigerant in off-premises station 10 be emitted by tapping equipment, reduce the content of off-premises station 10 interior combustible refrigerants, avoid the intensity of a fire of off-premises station 10 further to strengthen.
Preferably, tapping equipment comprises a plurality of safety valves 70 that are arranged on off-premises station 10 diverse locations, and the direction of a plurality of safety valves 70 is different.When combustible refrigerant is disposed to outdoor environment by safety valve 70, can determine apart from the nearest safety valve 70 in position of opening least risk by checkout gear, and open this safety valve 70, combustible refrigerant is discharged into outdoor environment by this safety valve 70, avoids the possibility of burning in combustible refrigerant discharge process.Safety valve 70 is the valves that can control automatic-discharging cold-producing medium.
Entrance point at off-premises station 10 is also provided with the first control valve 60, the port of export at off-premises station 10 is also provided with the second control valve 80, the first control valve 60 and the second control valve 80 are all connected to control device, and according to the control instruction of control device, control combustible refrigerant and enter or flow out off-premises station 10.
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 off-premises station 10 or off-premises station 10 is, the first control valve 60 is arranged on the arrival end of compressor 40, and the second control valve 80 arranges to the port of export of throttling arrangement 30.The first control valve 60 and the second control valve 80 be for example can automatic control switch stop valve.Off-premises station 10 comprises the outer blower fan 12 that condenser 11 and corresponding condenser 11 arrange.When the combustible refrigerant in off-premises station 10 is discharged to off-premises station 10, can accelerate by outer blower fan 12 mass rate of emission of combustible refrigerant.
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: detect the residing environmental aspect of off-premises station 10; Step S2: judge whether to occur abnormal according to the environmental aspect detecting, and start protection action when environmental aspect is abnormal, on firely spread to indoor from outside preventing.
Step S2 also comprises: step S21: when environmental aspect being detected when abnormal, close the second control valve 80 of off-premises station 10 ports of export, indoor with flowing into of cold-producing medium to prevent combustible refrigerant on fire, indoor set 20 ignites.Step S22: keep compressor 40 to continue the operation t1 time, to make the combustible refrigerant that is arranged in pipeline can continue to gather to off-premises station 10 places, carry out the recovery of combustible refrigerant, avoid combustible refrigerant to spread to indoor.Step S23: shut down, and close the first control valve 60 of off-premises station 10 arrival ends.
Step S2 also comprises: step S24: the abnormal minimum position of the relatively environmental state information of off-premises station 10 positions, and the environmental aspect of definite off-premises station 10.Step S25: determine the safety valve 70 nearest apart from the abnormal minimum position of environmental aspect, open this safety valve 70 and keep the t2 time, so that the combustible refrigerant in off-premises station 10 is discharged into outdoor environment from this safety valve 70.Combustible refrigerant is discharged in position herein, can farthest reduce the probability that burning occurs in combustible refrigerant discharge process.Step S26: close this safety valve 70.Combustible refrigerant in off-premises station 10 is discharged into after outdoor environment, at interior the retained combustible refrigerant content of off-premises station 10, just can greatly reduce, can be reduced in below burning concentration, thereby stop the further burning of off-premises station 10, also can avoid further combustible refrigerant to spread to indoor by pipeline.
Above-mentioned application process also comprises step S3: when environmental aspect being detected when abnormal, control device sends alarm command; Control warning device gives the alarm.By above-mentioned steps, can find in time that the situation of accident on fire occurs off-premises station 10, and notify in time staff to process, avoid the catching fire of outside environment to spread to indoor by combustible refrigerant air-conditioner, improved security when air-conditioner is used.When warning device gives the alarm, can carry out step S21 to the operation of step S23 simultaneously, thereby can to the situation on fire of off-premises station 10, process in time, prevent that the situation on fire of off-premises station 10 from further worsening.
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 off-premises station 10 detected when temperature sensor is lower than ceiling temperature T for example 100 ℃ time, and control device does not send alarm command.
The ambient temperature that off-premises station 10 detected when temperature sensor is during higher than ceiling temperature T, and control device starts protection action at once, and sends control instruction, controls warning device and gives the alarm.
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; to avoid the combustible refrigerant of burning to spread to indoor by the combustible refrigerant in pipeline; after the compressor continuation operation t1 time, shut down and close the first control valve 60 of the arrival end that is positioned at off-premises station 10, to guarantee that the combustible refrigerant in air-conditioner hose can concentrate in off-premises station 10 as best one can.
After completing above-mentioned steps, combustible refrigerant can be concentrated in off-premises station 10, this timed unit judges the position of discharging combustible refrigerant least risk on off-premises station 10 according to the actual temperature situation of the detected off-premises station surrounding environment of temperature sensor, and definite safety valve 70 nearest apart from this position, then open this safety valve 70, combustible refrigerant is directly directly released into outdoor environment via this safety valve 70, and after the time t2 closed safe valve.
Finally control air-conditioner and automatically disconnect because power supply is in indoor with power supply, power-off needn't be worried the problem of striking sparks and igniting.
After completing aforesaid operations, operating personnel can overhaul air-conditioner in time.
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 (12)
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 off-premises station (10) of air-conditioner;
Control device, is connected to described checkout gear (50), and the described environmental aspect detecting according to described checkout gear (50) judges that whether described environmental aspect is abnormal, and when described environmental aspect is abnormal, starts protection 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, and described environmental aspect comprises temperature and/or smog.
3. combustible refrigerant air-conditioner fire prevention system according to claim 2, is characterized in that, a plurality of described temperature sensors and/or Smoke Sensor are separately positioned on the diverse location of described off-premises station (10).
4. 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, and it is upper to discharge the combustible refrigerant in described off-premises station (10) that described tapping equipment is arranged on described off-premises station (10).
5. combustible refrigerant air-conditioner fire prevention system according to claim 4, it is characterized in that, described tapping equipment comprises a plurality of safety valves (70) that are arranged on described off-premises station (10) diverse location, and the direction of described a plurality of safety valves (70) is different.
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 first control valve (60) of the entrance point that is arranged on described 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.
7. 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, is connected to described control device, and gives the alarm after receiving the alarm command of described control device.
8. 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 7.
9. an application process for combustible refrigerant air-conditioner fire prevention system, is characterized in that, described application process comprises:
Step S1: detect the residing environmental aspect of off-premises station (10);
Step S2: judge whether to occur extremely according to the described environmental aspect detecting, and start protection action when described environmental aspect is abnormal.
10. application process according to claim 9, is characterized in that, described step S2 comprises:
Step S21: when described environmental aspect being detected when abnormal, close second control valve (80) of off-premises station (10) port of export;
Step S22: keep compressor (40) to continue the operation t1 time;
Step S23: shut down, and close first control valve (60) of described off-premises station (10) arrival end.
11. application processes according to claim 9, is characterized in that, described step S2 comprises:
Step S24: the environmental state information of more described off-premises station (10) position, and the abnormal minimum position of the environmental aspect of definite described off-premises station (10);
Step S25: determine the safety valve (70) nearest apart from the abnormal minimum position of environmental aspect, open this safety valve (70) and keep the t2 time, so that the combustible refrigerant in described off-premises station (10) is discharged into outdoor environment;
Step S26: close this safety valve (70).
12. application processes according to claim 9, is characterized in that, described application process also comprises: step S3: when described environmental aspect being detected when abnormal, control warning device and give the alarm.
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| CN201410314776.0A CN104075420B (en) | 2014-07-02 | 2014-07-02 | Flammable refrigerant air-conditioner fire protection system and application method thereof as well as air-conditioner |
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| CN201410314776.0A CN104075420B (en) | 2014-07-02 | 2014-07-02 | Flammable refrigerant air-conditioner fire protection system and application method thereof as well as air-conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110848844A (en) * | 2019-11-15 | 2020-02-28 | 珠海格力电器股份有限公司 | Air conditioner and fire prevention control method thereof |
| CN113357744A (en) * | 2021-05-21 | 2021-09-07 | 青岛海尔空调器有限总公司 | Refrigerant control method, system and device for air conditioner and air conditioner |
| CN113465119A (en) * | 2021-06-30 | 2021-10-01 | 青岛海尔空调电子有限公司 | Fire detection control method for air conditioner |
| 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 |
| WO2022257466A1 (en) * | 2021-06-11 | 2022-12-15 | 青岛海尔空调器有限总公司 | Safety control method for air conditioner, electronic device, and storage medium |
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| CN104075420B (en) | 2017-05-17 |
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