CN104101066B - Air-conditioning protection system and control method, air-conditioner - Google Patents
Air-conditioning protection system and control method, air-conditioner Download PDFInfo
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- CN104101066B CN104101066B CN201410318196.9A CN201410318196A CN104101066B CN 104101066 B CN104101066 B CN 104101066B CN 201410318196 A CN201410318196 A CN 201410318196A CN 104101066 B CN104101066 B CN 104101066B
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Abstract
The open a kind of air-conditioning protection system of the present invention and control method, air-conditioner.This air-conditioning protection system includes: detection device (50), is arranged on indoor set (20) side, place of air-conditioner, and whether detection indoor set (20) side, place occurs combustible refrigerant to leak；Control device, be electrically connected to detect device (50), the detection information of receiving detection device (50), and according to detection delivering control instruction；Spray equipment, is connected to control device, and corresponding indoor set (20) is arranged, and performs spray action according to the control instruction controlling device detecting when combustible refrigerant leaks.Air-conditioning protection system according to the present invention, it is possible to reduce air-conditioner when combustible refrigerant leaks and burning or the probability of blast occur, improve safety when air-conditioner uses.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of air-conditioning protection system and
Control method, air-conditioner.
Background technology
In order to protect the living environment of the mankind, reduce the destruction to atmospheric ozone layer and greenhouse effect
Should, people start to substitute existing containing with new refrigerant such as Hydrocarbon and HFC refrigerant etc.
Fluorinated refrigerant, but, this type of cold-producing medium is the most flammable can be quick-fried, if it occur that leakage, once meets
Too high to ambient temperature or when having the burning things which may cause a fire disaster such as electrostatic spark, it is possible to be ignited, when
The danger producing blast is then had when concentration reaches certain limit.
Summary of the invention
The embodiment of the present invention provides a kind of air-conditioning protection system and control method, air-conditioner,
Air-conditioner can be reduced when combustible refrigerant leaks burning or the probability of blast occur, carry
Safety when high air-conditioner uses.
For solving above-mentioned technical problem, the embodiment of the present invention provides a kind of air-conditioning protection system, bag
Including: detection device, be arranged on the side, indoor set place of air-conditioner, detection side, indoor set place is
No generation combustible refrigerant leaks；Control device, be electrically connected to detect device, receive detection
The detection information of device, and according to detection delivering control instruction；Spray equipment, is connected to
Control device, and corresponding indoor set is arranged, when detecting that combustible refrigerant leaks according to control
The control instruction of device performs spray action.
As preferably, air-conditioning protection system also includes: the first control valve, is disposed in the interior machine
The port of export, flows out the pipeline break-make of indoor set for controlling combustible refrigerant；Second control valve,
It is disposed in the interior the entrance point of machine, flows into the pipeline break-make of indoor set for controlling combustible refrigerant；
Control device and be electrically connected and control the first control valve and the opening and closing of the second control valve.
As preferably, control device and include power-off modular, for detecting that combustible refrigerant is let out
Send control instruction after leakage and control air-conditioner complete machine power-off.
As preferably, indoor set includes the inner blower that vaporizer and corresponding vaporizer are arranged.
As preferably, detection device is disposed in the interior above the vaporizer of machine or the going out of vaporizer
Mouth end elbow.
As preferably, the built-in water of spray equipment or fire-retardant gas.
As preferably, air-conditioning protection system also includes alarm device, is electrically connected to control device,
And send alarm after combustible refrigerant leakage being detected.
According to a further aspect in the invention, it is provided that a kind of air-conditioner, including the room being sequentially connected with
Interior machine, throttling arrangement, off-premises station and compressor, also include above-mentioned air-conditioning protection system, room
Interior machine is above-mentioned indoor set.
In accordance with a further aspect of the present invention, it is provided that the control method of a kind of air-conditioning protection system,
Including: step S1: whether the side, indoor set place of detection air-conditioner occurs combustible refrigerant to leak；
Step S2: judge whether combustible refrigerant leakage according to detection information, and determining generation
Spray instruction is sent during combustible refrigerant leakage；Step S3: perform spray according to spray instruction dynamic
Make, to reduce the burning things which may cause a fire disaster in the indoor temperature at indoor set place or decontamination chamber.
As preferably, after determining the step that combustible refrigerant leakage occurs, send spray instruction
Step before also include reclaim combustible refrigerant.
As preferably, the step reclaiming combustible refrigerant includes: closes the second control valve, opens
First control valve；Keep compressor operating, operating inner blower persistently t time；Close the first control
Valve processed.
As preferably, after closing the step of the first control valve, send spray instruction step it
Before also include: send cut-offing instruction, control air-conditioner complete machine power-off.
Application technical scheme, air-conditioning protection system includes: detection device, is arranged on
The side, indoor set place of air-conditioner, whether detection side, indoor set place occurs combustible refrigerant to leak；
Control device, be electrically connected to detect device, the detection information of receiving detection device, and according to
Detection delivering control instruction；Spray equipment, is connected to control device, and corresponding indoor set
Arrange, perform spray according to the control instruction controlling device detecting when combustible refrigerant leaks
Action.After applying this air-conditioning protection system, once detect that the generation of side, indoor set place can
Combustion cold-producing medium leakage, it is possible to send instruction by controlling device to spray equipment, control spray
Device carries out spray action, reduces burning things which may cause a fire disaster that may be present in indoor temperature or decontamination chamber, from
And reduce combustible refrigerant leakage after breaking out of fire cause air-conditioner burning or occur blast can
Energy property, improves the safety that air-conditioner uses.
Accompanying drawing explanation
Fig. 1 is the structure chart of the air-conditioner of the embodiment of the present invention；
Fig. 2 is the fundamental diagram of the air-conditioning protection system of the embodiment of the present invention；
Fig. 3 is the workflow diagram of the air-conditioning protection 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, detection device；60, the first control valve；70, the second control valve；11, cold
Condenser；12, outer blower fan；21, vaporizer；22, inner blower.
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings, but does not makees
For limitation of the invention.
The application scheme is to link, air conditioning system by air conditioning chamber with spray system
Machine is internal or indoor are installed leak detection sensor elsewhere and monitored in real time, when having monitored
When combustible refrigerant occurs leakage, air-conditioning is taked corresponding protective measure, afterwards, is opened spray
System, to reduce indoor environment temperature, meanwhile, eliminates burning things which may cause a fire disaster that may be present, it is to avoid occur
Dangerous.
As shown in Figure 1 to Figure 3, according to embodiments of the invention, air-conditioning protection system includes detection
Device 50, control device and spray equipment.Detection device 50 is arranged on the indoor set 20 of air-conditioner
Side, place, whether detection side, indoor set 20 place occurs combustible refrigerant to leak in real time, and it is permissible
It is set directly on indoor set 20, it is also possible to be arranged in other structure, as long as can be by room
Out, this detection device is for example, for the combustible refrigerant Leak Detection that side, interior machine place occurs
Leak detection sensor.Control device to be electrically connected to detect device 50, the inspection of receiving detection device 50
Measurement information, and according to detection delivering control instruction.Spray equipment is connected to control device,
And corresponding indoor set 20 is arranged, the control according to control device when detecting that combustible refrigerant leak
System instruction performs spray action.Control instruction can be multiple, sends the control to spray equipment
Instruction is here for spray instruction.The built-in water of spray equipment or fire-retardant gas etc..
After applying this air-conditioning protection system, once detection device 50 detects indoor set place
There is combustible refrigerant leakage in side, it is possible to sends instruction by controlling device to spray equipment,
Controlling spray equipment and carry out spray action, water or fire-retardant gas are sprayed by spray equipment, it is possible to
Reduce the indoor temperature at indoor set 20 position, and eliminate the indoor at indoor set 20 place
Burning things which may cause a fire disaster, thus reduce combustible refrigerant leakage after breaking out of fire cause air-conditioner burning or send out
The probability of raw blast, improves the safety that air-conditioner uses.
Preferably, air-conditioning protection system also includes: the first control valve 60, is disposed in the interior machine 20
The port of export, for control combustible refrigerant flow out indoor set 20 pipeline break-make；Second controls
Valve 70, is disposed in the interior the entrance point of machine 20, is used for controlling combustible refrigerant and flows into indoor set
The pipeline break-make of 20；Control device be electrically connected and control the first control valve 60 and the second control valve
The opening and closing of 70.Respectively the first control valve 60 and the second control valve 70 are carried out by controlling device
Control, can carry out combustible refrigerant in time reclaiming moving after combustible refrigerant leakage being detected
Make, combustible refrigerant is recycled to side, off-premises station 10 place, thus avoids combustible refrigerant to continue
In entrance side, indoor set place increase indoor set 20, the content of combustible refrigerant, reduces air-conditioner and sends out
Raw burning or the probability of blast.
Control device and also include power-off modular, for sending after combustible refrigerant leakage being detected
Cut-offing instruction controls air-conditioner complete machine power-off.
Indoor set 20 includes the inner blower 22 that vaporizer 21 and corresponding vaporizer 21 are arranged.Endogenous wind
Machine 22 can be opened when reclaiming combustible refrigerant, thus accelerates the recovery speed of combustible refrigerant,
Accelerate the speed that the flammable agent content of side, indoor set place reduces, reduce indoor set and fire
The possibility burnt.
Preferably, detection device 50 is disposed in the interior above the vaporizer 21 of machine 20 or evaporation
The port of export elbow of device 21, the two place belongs to indoor set 20 and is easier to occur cold-producing medium to let out
The place of leakage, the position that therefore detection device 50 is arranged in the two place, or
It is respectively provided with two positions, contributes to detecting device 50 and be quickly timely detected combustible refrigerant
Leakage, enable air-conditioning protection system take measures the most in time, air-conditioner is protected.
Air-conditioning protection system also includes alarm device, and this alarm device is electrically connected to control device,
And send alarm after combustible refrigerant leakage being detected, with call user's attention safety, and adopt
Take significantly more efficient measure to prevent air-conditioner from burning, reduce the possibility that personal safety accident occurs
Property.
In conjunction with shown in Figure 1, according to embodiments of the invention, air-conditioner includes being sequentially connected with
Indoor set 20, throttling arrangement 30, off-premises station 10 and compressor 40, also include above-mentioned sky
Adjusting protection system, indoor set 20 is aforesaid indoor set 20.Off-premises station 10 includes condenser 11
And the outer blower fan 12 that correspondence condenser 11 is arranged.
In conjunction with shown in Figure 3, according to embodiments of the invention, the control of air-conditioning protection system
Method includes: step S1: whether the side, indoor set 20 place of detection air-conditioner occurs flammable
Agent leaks；Step S2: judge whether to occur combustible refrigerant to leak according to detection information, and
Spray instruction is sent when determining generation combustible refrigerant leakage；Step S3: hold according to spray instruction
Row spray action, to reduce the burning things which may cause a fire disaster in the indoor temperature at indoor set 20 place or decontamination chamber.
Determine after there is the step that combustible refrigerant leaks, before sending the step of spray instruction
Also include reclaiming combustible refrigerant.Combustible refrigerant was reclaimed, it is possible to enter one before spraying
Step ground strengthens the effect of spray equipment, reduces air-conditioner and burning or the probability of blast occur.
The step reclaiming combustible refrigerant includes: closes the second control valve 70, opens the first control
Valve 60；Compressor 40 is kept to run, operating inner blower 22 persistently t time；Close first
Control valve 60.By these steps can fast and effeciently by refrigerant-recovery to off-premises station 10,
Possible pyrophoricity accident is participated in avoiding cold-producing medium to continue to be deposited in indoor set 20.
After closing the step of the first control valve 60, also include before sending the step of spray instruction:
Send cut-offing instruction, control air-conditioner complete machine power-off.Owing to spray equipment is to enter whole indoor
Row spray, if spray for conducting liquid, and air-conditioner remains in that "on" position, then
Will increase owing to air-conditioner produces electric spark etc. in operation process air-conditioner occur burning or
The probability of person's blast, if now by air-conditioner complete machine power-off, it becomes possible to stop electric spark etc.
Cause the possibility that air-conditioner burns, effectively eliminate possible burning things which may cause a fire disaster, it is also possible to more efficiently
Ensure the safety and reliability of spray equipment work.
The integral air conditioners such as window machine are equally applicable said method.
The air-conditioning of embodiments of the invention protected the control method of system in addition below in conjunction with Fig. 3
Explanation.
After the normally-open operation of air-conditioner, the internally installed leak detection at the indoor set 20 of air-conditioner passes
Sensor, is generally arranged on top or the steaming of the vaporizer 21 that air-conditioning easily leaks by leak detection sensor
Send out the elbow of the port of export of device 21, or indoor other Anywhere.When leak detection sensing
When device has been not detected by combustible refrigerant generation leakage, the most still it is back to the step of detection, right
Side, indoor set 20 place is circulated detection.When leak detection sensor has detected that combustible refrigerant is sent out
During raw leakage, complete machine enters protected mode so that air-conditioner does not accept the instruction that remote controller sends,
To prevent user misoperation from air-conditioner is produced bigger harm.Now need to start warning simultaneously
Device is reported to the police, and to remind user to there is air-conditioner, burning or the probability of blast occurs,
And remind user to take measures in time to improve safety.
It is then shut off the second control valve 70, keeps the first control valve 60 to open, and keep compressor
40 remain in operation, so that the combustible refrigerant in indoor set 20 to be recovered to the compressor 40 of outside
In, meanwhile, inner blower 22 runs up, and carries out the air draft of t time, such as 10S, so that flammable system
Cryogen can be substantially all in the compressor 40 flowing to outside.Complete the recovery of cold-producing medium
Afterwards, close the first control valve 60, then control complete machine power-off, according to other electrical equipment indoor
Service condition, it is considered to cut off the need of by indoor power supply, when spraying in priming chamber after power-off
Device, with burning things which may cause a fire disaster that may be present in reducing indoor temperature or decontamination chamber.
Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that, and this technology is led
For the those of ordinary skill in territory, on the premise of without departing from its general principles, it is also possible to
Making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (12)
1. an air-conditioning protection system, it is characterised in that including:
Detection device (50), is arranged on indoor set (20) side, place of air-conditioner, and detection is described
Whether indoor set (20) side, place occurs combustible refrigerant to leak；
Control device, be electrically connected to described detection device (50), receive described detection device (50)
Detection information, and according to detection delivering control instruction；
Spray equipment, is connected to described control device, and corresponding described indoor set (20) is arranged,
Spray is performed according to the control instruction of described control device when described combustible refrigerant leaks detecting
Pouring action.
Air-conditioning the most according to claim 1 protection system, it is characterised in that described air-conditioning is protected
Protecting system also includes:
First control valve (60), is arranged on the port of export of described indoor set (20), is used for controlling
Described combustible refrigerant flows out the pipeline break-make of described indoor set (20)；
Second control valve (70), is arranged on the entrance point of described indoor set (20), is used for controlling
Described combustible refrigerant flows into the pipeline break-make of described indoor set (20)；
Described control device is electrically connected and controls described first control valve (60) and described second
The opening and closing of control valve (70).
Air-conditioning the most according to claim 1 protection system, it is characterised in that described control fills
Put and include power-off modular, for sending control instruction after the leakage of described combustible refrigerant being detected
Control described air-conditioner complete machine power-off.
Air-conditioning the most according to claim 1 protection system, it is characterised in that described indoor set
(20) inner blower (22) that vaporizer (21) and the described vaporizer of correspondence (21) are arranged is included.
Air-conditioning the most according to claim 1 protection system, it is characterised in that described detection fills
Put (50) and be arranged on vaporizer (21) top of described indoor set (20) or described evaporation
The port of export elbow of device (21).
Air-conditioning the most according to claim 1 protection system, it is characterised in that described spray fills
Put built-in water or fire-retardant gas.
Air-conditioning the most according to any one of claim 1 to 6 protection system, it is characterised in that
Described air-conditioning protection system also includes alarm device, is electrically connected to described control device, and
Alarm is sent after the leakage of described combustible refrigerant being detected.
8. an air-conditioner, it is characterised in that include indoor set (20), the throttling being sequentially connected with
Device (30), off-premises station (10) and compressor (40), also include in claim 1 to 7
Air-conditioning protection system described in any one, described indoor set (20) is described in claim 1
Indoor set (20).
9. the control method of an air-conditioning protection system, it is characterised in that including:
Step S1: whether indoor set (20) side, place of detection air-conditioner occurs combustible refrigerant
Leakage；
Step S2: judge whether combustible refrigerant leakage according to detection information, and determining
There is to send during combustible refrigerant leakage spray instruction；
Step S3: perform spray action, to reduce described indoor set (20) according to spray instruction
The indoor temperature at place or eliminate the burning things which may cause a fire disaster of described indoor.
Control method the most according to claim 9, it is characterised in that described determine generation
After the step of combustible refrigerant leakage, before sending the step of spray instruction, also include that recovery can
Combustion cold-producing medium.
11. control methods according to claim 10, it is characterised in that described recovery can
The step of combustion cold-producing medium includes:
Close the second control valve (70), open the first control valve (60)；
Keeping compressor (40) to run, operating inner blower (22) also continues the t time；
Close the first control valve (60).
12. control methods according to claim 11, it is characterised in that described closedown first
After the step of control valve (60), also include before sending the step of spray instruction: send disconnected
Electricity instruction, controls described air-conditioner complete machine power-off.
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| CN201410318196.9A CN104101066B (en) | 2014-07-04 | 2014-07-04 | Air-conditioning protection system and control method, air-conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410318196.9A CN104101066B (en) | 2014-07-04 | 2014-07-04 | Air-conditioning protection system and control method, air-conditioner |
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| CN104101066A CN104101066A (en) | 2014-10-15 |
| CN104101066B true CN104101066B (en) | 2017-01-04 |
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| CN104833053B (en) * | 2015-04-30 | 2017-12-05 | 广东美的制冷设备有限公司 | The safety protecting method and system of air conditioner |
| CN105423504B (en) * | 2015-11-18 | 2018-02-09 | 南阳市中通防爆电机电器有限公司 | Explosion-proof air conditioner and control method thereof |
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| SG11202012167SA (en) * | 2018-09-06 | 2021-03-30 | Carrier Corp | Refrigerant leak detection system |
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| CN110001499B (en) * | 2019-04-15 | 2021-09-03 | 南京市锅炉压力容器检验研究院 | Intelligent decision-making system for leakage detection and emergency disposal of hazardous chemical transport vehicle and operation process thereof |
| CN115823696A (en) * | 2021-09-17 | 2023-03-21 | 杭州先途电子有限公司 | Control device and method and air conditioning system |
| CN114407603B (en) * | 2021-11-23 | 2024-05-24 | 西安交通大学 | System and method for improving safety of heat pump system of combustible working medium electric automobile |
| CN115789739B (en) * | 2022-11-22 | 2023-10-31 | 舒尔斯德机电科技(浙江)有限公司 | Air source heat pump fluorine circulation ground heating device and control method |
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