CN103940062B - Electrical appliance kit and its method of controlling security, the air-conditioner for adopting combustible refrigerant - Google Patents
Electrical appliance kit and its method of controlling security, the air-conditioner for adopting combustible refrigerant Download PDFInfo
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- CN103940062B CN103940062B CN201410199493.6A CN201410199493A CN103940062B CN 103940062 B CN103940062 B CN 103940062B CN 201410199493 A CN201410199493 A CN 201410199493A CN 103940062 B CN103940062 B CN 103940062B
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 107
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 82
- 239000002826 coolant Substances 0.000 description 6
- 229910052756 noble gas Inorganic materials 0.000 description 5
- 150000002835 noble gases Chemical class 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides a kind of electrical appliance kit and its method of controlling security, using combustible refrigerant air-conditioner.The electrical appliance kit includes：Box body (10)；Detection means (20), is arranged in box body (10), detects the flammable agent concentration in box body (10)；Fire-retardant source of the gas (30), the outlet of fire-retardant source of the gas (30) are connected to box body (10)；Fire-retardant gas control device (40), envelope are located at the outlet of fire-retardant source of the gas (30), and open the outlet of fire-retardant source of the gas (30) when detection means (20) detects combustible refrigerant concentration over-standard.According to the electrical appliance kit of the present invention, can solve the problem that combustible refrigerant leaks to the problem that electrical appliance kit easily causes cold-producing medium to burn in prior art.
Description
Technical field
The present invention relates to air-conditioner security control field, in particular to a kind of electrical appliance kit and its method of controlling security,
Air-conditioner using combustible refrigerant.
Background technology
Due to cold-producing mediums such as R22, R410A that the electrical equipment such as existing air-conditioner, dehumidifier are used in a large number, atmospheric ozone layer is had
Destruction and with higher greenhouse effect, belonging to needs cold-producing medium to be replaced, and R290 (propane), R32 etc. some are low
GWP cold-producing mediums are started research for the refrigerant dehumidification system such as air-conditioner, dehumidifier, with substitute the R22 for using in a large number at present,
R410A, R134A cold-producing medium.But R290, R32 etc. belong to combustible refrigerant, to the electrical equipment using such combustible refrigerant, its
Safety has higher requirement.
Beat for the electrical equipment for having used combustible refrigerant, electrical equipment, binding post in its electrical appliance kit part etc. are present
The danger of fire.If generation leakage of refrigerant enters electrical appliance kit runs into spark, there is the risk for causing combustible refrigerant to burn.
Content of the invention
The present invention is intended to provide a kind of electrical appliance kit and its method of controlling security, using combustible refrigerant air-conditioner, to solve
Certainly in prior art, combustible refrigerant leaks to the problem that electrical appliance kit easily causes cold-producing medium to burn.
To achieve these goals, according to an aspect of the invention, there is provided a kind of electrical appliance kit, including：Box body；Detection
Device, is arranged in box body, detects the flammable agent concentration in box body；Fire-retardant source of the gas, the outlet of fire-retardant source of the gas are connected to box
Body；Fire-retardant gas control device, envelope are located at the outlet of fire-retardant source of the gas, and detect combustible refrigerant concentration over-standard in detection means
When open the outlet of fire-retardant source of the gas.
Further, fire-retardant gas control device includes：Slide block, is slidably disposed on the outlet of fire-retardant source of the gas；Slide
Controlling organization, is connected to slide block, and control slide block opens the outlet of fire-retardant source of the gas in combustible refrigerant concentration over-standard.
Further, slide control mechanism includes：Solenoid；Magnet, is connected to slide block, and magnet is arranged on solenoid
Interior, and in the presence of solenoid, drive slide block to open the outlet of fire-retardant source of the gas；Spring, is connected between box body and magnet,
And the elastic acting force for applying to order about the outlet that slide block closes fire-retardant source of the gas to magnet.
Further, fire-retardant gas control device also includes that mounting seat, mounting seat are fixedly connected on box body, solenoid
It is set in outside mounting seat, spring is connected between magnet and mounting seat.
Further, slide block is provided with appearance air drain towards the side of the outlet of fire-retardant source of the gas, holds air drain and closes resistance in slide block
Corresponding with the outlet of fire-retardant source of the gas during the outlet of fuel gas source.
Further, electrical appliance kit also includes the mainboard being arranged on box body, and detection means and fire-retardant gas control device are equal
It is connected to mainboard.
Further, the fire-retardant gas in fire-retardant source of the gas are noble gases.
According to a further aspect in the invention, there is provided a kind of method of controlling security of electrical appliance kit, including：By detection means
The concentration of the combustible refrigerant in the box body of detection electrical appliance kit；Concentration over-standard when the combustible refrigerant in the box body of electrical appliance kit
When, the outlet of fire-retardant source of the gas is opened with the release fire-retardant gas into electrical appliance kit by fire-retardant gas control device；Start shutdown journey
Sequence.
Further, method of controlling security also includes：When the concentration over-standard of the combustible refrigerant in electrical appliance kit, show event
Barrier code.
Further, detection electrical appliance kit in combustible refrigerant concentration the step of before also include：Detection detection means
Whether normal；When detection means is normal, start boot program, then whether detection detection means state flag bit is effective.
In accordance with a further aspect of the present invention, there is provided a kind of air-conditioner of employing combustible refrigerant, including electrical appliance kit, the electricity
Device box is above-mentioned electrical appliance kit.
Application technical scheme, electrical appliance kit include：Box body；Detection means, is arranged in box body, in detection box body
Flammable agent concentration；Fire-retardant source of the gas, the outlet of fire-retardant source of the gas are connected to box body；Fire-retardant gas control device, envelope are located at resistance
The outlet of fuel gas source, and the outlet of fire-retardant source of the gas is opened when detection means detects combustible refrigerant concentration over-standard.Using
When the electrical appliance kit works, if combustible refrigerant is leaked, once detection means detect leak into flammable in electrical appliance kit
Refrigerant concentration is exceeded, it is possible to send signal to fire-retardant gas control device, makes fire-retardant gas control device open outlet, resistance
Combustion gas body is entered in electrical appliance kit through outlet from fire-retardant source of the gas, so as to dilute the concentration of combustible refrigerant in electrical appliance kit, makes electricity
Barotropic state is in device box, it is to avoid in electrical appliance kit, relay closure causes electric spark and causes coolant to burn.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the decomposition texture schematic diagram of electrical appliance kit according to an embodiment of the invention；
Fig. 2 shows the structural representation of the fire-retardant gas control device of electrical appliance kit according to an embodiment of the invention；With
And
Fig. 3 shows the method for controlling security flow chart of electrical appliance kit according to an embodiment of the invention.
Description of reference numerals：10th, box body；20th, detection means；30th, fire-retardant source of the gas；40th, fire-retardant gas control device；50、
Mainboard；11st, lid；41st, slide block；411st, hold air drain；42nd, slide control mechanism；421st, solenoid；422nd, magnet；423rd, bullet
Spring；43rd, mounting seat.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
In figure, the direction of arrow represents the flow direction of fire-retardant gas.
As depicted in figs. 1 and 2, embodiments in accordance with the present invention, electrical appliance kit include box body 10, detection means 20, fire-retardant gas
Source 30 and fire-retardant gas control device 40.Detection means 20 is arranged in box body 10, dense for detecting the cold-producing medium in box body 10
Degree, and signal is sent after the combustible refrigerant concentration over-standard in box body 10；The outlet of fire-retardant source of the gas 30 is connected to box body 10, uses
In fire-retardant gas are passed through into box body 10 after the combustible refrigerant concentration over-standard in box body 10, flammable in box body 10 to dilute
Cold-producing medium.40 envelope of fire-retardant gas control device is located at the outlet of fire-retardant source of the gas 30, and detects flammable in detection means 20
The outlet of fire-retardant source of the gas 30 is opened when agent concentration is exceeded, to ensure to enter box body 10 when needing in fire-retardant gas,
It is closed in when unwanted in fire-retardant source of the gas, such that it is able to reduce the consumption of fire-retardant gas, and improves fire-retardant gas
Utilization ratio.
Lid 11 can also be covered with box body 10, and it is relative closed that lid 11 together causes electrical appliance kit to be formed with box body 10
Space so that fire-retardant gas more fully can be obtained by, and be more effectively prevented from combustible refrigerant and burn.
When being worked using the electrical appliance kit, detection means 20 is examined in real time to the flammable agent concentration in box body 10
Survey, if combustible refrigerant is leaked, once detection means 20 detects the flammable agent concentration leaked in electrical appliance kit
Exceeded, it is possible to send signal to fire-retardant gas control device 40, when receiving, the combustible refrigerant that detection means 20 sends is dense
After spending exceeded signal, fire-retardant gas control device opens the outlet that will open fire-retardant source of the gas 30, and fire-retardant gas are from fire-retardant source of the gas
Place is sprayed through outlet, is entered in electrical appliance kit so that be full of fire-retardant gas in electrical appliance kit, so as to dilute flammable in electrical appliance kit
The concentration of agent, make in electrical appliance kit in barotropic state, it is to avoid in electrical appliance kit, relay closure causes electric spark and causes flammable
Cold-producing medium burns, and therefore can improve the electrical equipment safety in use using combustible refrigerant.
In conjunction with shown in Figure 2, fire-retardant gas control device 40 includes slide block 41 and slide control mechanism 42, and slide block 41 can
It is slidably arranged in the outlet of fire-retardant source of the gas 30；Slide control mechanism 42 is connected to slide block 41, and super in flammable agent concentration
Timestamp control slide block 41 opens the outlet of fire-retardant source of the gas 30.In electrical appliance kit normal work, if combustible refrigerant is let out
Leakage, or the concentration that reveals is not exceeded, now slide block 41 blocks the outlet in fire-retardant source of the gas 30, prevents fire-retardant gas from outlet ease
Go out, it is to avoid the waste of fire-retardant gas.When the combustible refrigerant in electrical appliance kit is exceeded, 42 control slide block 41 of slide control mechanism is slided
Open, open the outlet of fire-retardant source of the gas 30, fire-retardant gas are entered in box body 10 through the outlet.
Slide block herein can also be replaced with other structures, such as centering block, and now fire-retardant gas control device 40 is also wrapped
The oscillating control mechanism for driving the centering block to swing is included, oscillating control mechanism drives centering block to swing, to open or close fire-retardant gas
The outlet in source 30.
In the present embodiment, slide control mechanism 42 includes：Solenoid 421；Magnet 422, is connected to slide block 41, magnet
422 are arranged in solenoid 421, and in the presence of solenoid 421, drive slide block 41 to open the outlet of fire-retardant source of the gas 30；
Spring 423, is connected between box body 10 and magnet 422, and applies to order about slide block 41 and close going out for fire-retardant source of the gas 30 to magnet 422
The elastic acting force of mouth.After solenoid 421 is powered, electromagnetic force is produced to magnet 422, the elasticity of spring 423 is overcome
Active force so that 422 compression spring of magnet, and slide with movable slider 41, so as to open the outlet of fire-retardant source of the gas 30.Work as electromagnetic wire
After enclosing 421 power-off, spring 423 resets, and can provide elastic acting force to slide block 41 so that the lid of slide block 41 is located at fire-retardant source of the gas 30
Exit.Preferably, stop configurations are provided with the glide direction of slide block 41, the sliding position of slide block 41 can be limited,
Slide block 41 is enabled preferably to cover the exit for being located at fire-retardant source of the gas 30.The stop configurations can also make spring 423 have one
Fixed precompression, it is ensured that slide block 41 can more quick return, and ensure that slide block 41 can reach predetermined position.
Slide control mechanism 42 herein can also adopt other electric control gears.
In the present embodiment, fire-retardant gas control device 40 can also include that mounting seat 43, mounting seat 43 are fixedly connected on
On box body 10, solenoid 421 is set in outside mounting seat 43, and spring 423 is connected between magnet 422 and mounting seat 43.Install
Seat 43 can provide support for the installation of fire-retardant gas control device 40 so that fire-retardant gas control device 40 can be arranged on conjunction
Suitable position.Preferably, mounting seat 43 is detachably connected on box body 10.
Preferably, slide block 41 is provided with appearance air drain 411 towards the side of the outlet of fire-retardant source of the gas 30, holds air drain 411 and is sliding
Block 41 is closed corresponding with the outlet of fire-retardant source of the gas 30 during the outlet of fire-retardant source of the gas 30.In the present embodiment, the appearance air drain 411 is
Arc groove.
Electrical appliance kit also includes that the mainboard 50 being arranged on box body 10, mainboard 50 are placed in electrical appliance kit, has control on mainboard 50
The electric elements such as the various control elements of air conditioning system processed, detecting element, with corresponding logical order on mainboard.Detection means
20 and fire-retardant gas control device 40 be connected to mainboard 50, and carry out the transmission and control of signal by mainboard 50.In order to just
In installing to detection means 20, in the present embodiment, detection means 20 is arranged on mainboard 50.Detection means 20 can be
The device that coolant detector or probe etc. can be checked to flammable agent concentration.
Preferably, the fire-retardant gas in fire-retardant source of the gas 30 are noble gases.The unit that noble gases will not be damaged in electrical appliance kit
Device, and forceful electric power element in electrical appliance kit can be prevented effectively from contact with combustible refrigerant, preferably prevent the combustion of combustible refrigerant
Burn.In the present embodiment, the noble gases are nitrogen.
Electrical appliance kit may also connect to alarm device, so as to when combustible refrigerant is leaked and alarm.
In conjunction with shown in Figure 3, embodiments in accordance with the present invention, the method for controlling security of electrical appliance kit includes：By detection
The concentration of the combustible refrigerant in the detection electrical appliance kit of device 20；Concentration over-standard when the combustible refrigerant in the box body 10 of electrical appliance kit
When, fire-retardant gas control device 40 opens the outlet of fire-retardant source of the gas 30 with the release fire-retardant gas into electrical appliance kit；Start shutdown journey
Sequence.
Method of controlling security also includes：When the concentration over-standard of the combustible refrigerant in electrical appliance kit, show failure code, with
Just staff can rapidly and accurately trouble-shooting reason, and place under repair in time.
Also include before the step of concentration of the combustible refrigerant in detection electrical appliance kit：Just whether detection detection means 20
Often；When detection means 20 is normal, start boot program, then whether detection 20 state flag bit of detection means is effective.This one
Step can prevent from being gone wrong and the caused phenomenon that reports an error due to detection means 20 in itself, improve the accuracy of testing result.
When electrical appliance kit works, remote-controlled start-up signal can be received first, now the mainboard 50 of electrical appliance kit needs to detect first
Whether warning byte is had on memory chip, if it has, then the alarm device such as mainboard control buzzer is reported to the police, while display panel shows
Failure code, then stops boot program, now needs staff to exclude the failure that there is currently first.
If mainboard 50 is detected do not report to the police on memory chip byte, whether start detection means such as detection probe 20
Normally, if abnormal, show failure code, and prompting changing probe etc. detection means 20, then control mainboard 50 stop
Boot program, until failture evacuation.
When detecting the detection means 20 such as probe and being normal, then start boot program and boot up action, then detection is visited
The state flag bit of first-class detection means 20 whether effectively, if testing result show the state flag bit of detection means 20 without
Effect, then need control detection means 20 to be initialized, until the state flag bit of detection means 20 is effectively, can then lead to afterwards
Cross detection means 20 to detect coolant concentration, when coolant concentration is not exceeded, then continue to carry out the coolant concentration in electrical appliance kit
Detection, when the coolant concentration over-standard in electrical appliance kit is detected, then the detection means 20 such as probe is provided signal and gives fire-retardant gas control
Device processed 40, then 40 control slide block 41 of fire-retardant gas control device slide, open the outlet of fire-retardant source of the gas 30, fire-retardant source of the gas 30
Fire-retardant gas are sprayed, prevents combustible refrigerant from burning.Meanwhile, the control display panel of mainboard 50 shows failure code, and starts
Shutdown programm, investigates to electrical equipment, eliminates combustible refrigerant leakage failure.
Embodiments in accordance with the present invention, include electrical appliance kit using the air-conditioner of combustible refrigerant, and the electrical appliance kit is above-mentioned
Electrical appliance kit.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect：
1st, by being passed through fire-retardant gas into electrical appliance kit, forceful electric power element and combustible refrigerant in electrical appliance kit can be prevented effectively from
Contact, prevents combustible refrigerant from burning.
2nd, using noble gases as fire-retardant gas, for the components and parts in box harmless.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of electrical appliance kit, it is characterised in that include：
Box body (10), is provided with lid (11) on the box body (10)；
Detection means (20), is arranged in the box body (10), detects the flammable agent concentration in box body (10)；
Fire-retardant source of the gas (30), the outlet of fire-retardant source of the gas (30) are connected to the box body (10)；
Fire-retardant gas control device (40), envelope are located at the outlet of fire-retardant source of the gas (30), and examine in the detection means (20)
The outlet of fire-retardant source of the gas (30) is opened when measuring the combustible refrigerant concentration over-standard.
2. electrical appliance kit according to claim 1, it is characterised in that fire-retardant gas control device (40) include：
Slide block (41), is slidably disposed on the outlet of fire-retardant source of the gas (30)；
Slide control mechanism (42), is connected to the slide block (41), and controls in the combustible refrigerant concentration over-standard described
Slide block (41) opens the outlet of fire-retardant source of the gas (30).
3. electrical appliance kit according to claim 2, it is characterised in that slide control mechanism (42) include：
Solenoid (421)；
Magnet (422), is connected to the slide block (41), and magnet (422) are arranged in the solenoid (421), and
The slide block (41) is driven to open the outlet of fire-retardant source of the gas (30) in the presence of solenoid (421)；
Spring (423), is connected between the box body (10) and the magnet (422), and applies to order about to the magnet (422)
Described slide block (41) close the elastic acting force of the outlet of fire-retardant source of the gas (30).
4. electrical appliance kit according to claim 3, it is characterised in that fire-retardant gas control device (40) also include installing
Seat (43), mounting seat (43) are fixedly connected on the box body (10), and solenoid (421) are set in the installation
Outward, spring (423) are connected between the magnet (422) and the mounting seat (43) seat (43).
5. electrical appliance kit according to claim 2, it is characterised in that slide block (41) are towards fire-retardant source of the gas (30)
The side of outlet is provided with appearance air drain (411), and appearance air drain (411) closes fire-retardant source of the gas (30) in the slide block (41)
Outlet when corresponding with the outlet of fire-retardant source of the gas (30).
6. electrical appliance kit according to any one of claim 1 to 5, it is characterised in that the electrical appliance kit also includes being arranged on
Mainboard (50) on box body (10), detection means (20) and the fire-retardant gas control device (40) are connected to institute
State mainboard (50).
7. electrical appliance kit according to claim 1, it is characterised in that the fire-retardant gas in fire-retardant source of the gas (30) are inertia
Gas.
8. a kind of method of controlling security of electrical appliance kit, it is characterised in that include：
The concentration that combustible refrigerant in the box body (10) of the electrical appliance kit is detected by detection means (20)；
When the concentration over-standard of the combustible refrigerant in the box body (10) of the electrical appliance kit, by fire-retardant gas control device (40)
The outlet of fire-retardant source of the gas (30) is opened with the release fire-retardant gas into the electrical appliance kit；
Start shutdown programm.
9. method of controlling security according to claim 8, it is characterised in that the method for controlling security also includes：Work as institute
State combustible refrigerant in electrical appliance kit concentration over-standard when, show failure code.
10. method of controlling security according to claim 8, it is characterised in that flammable in the detection electrical appliance kit
Also include before the step of concentration of cold-producing medium：
Whether detection detection means (20) is normal；
When the detection means (20) is normal, starts boot program, then detect the detection means (20) state flag bit
Whether effective.
A kind of 11. air-conditioners of employing combustible refrigerant, including electrical appliance kit, it is characterised in that the electrical appliance kit is claim 1
To the electrical appliance kit any one of 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199493.6A CN103940062B (en) | 2014-05-12 | 2014-05-12 | Electrical appliance kit and its method of controlling security, the air-conditioner for adopting combustible refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199493.6A CN103940062B (en) | 2014-05-12 | 2014-05-12 | Electrical appliance kit and its method of controlling security, the air-conditioner for adopting combustible refrigerant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103940062A CN103940062A (en) | 2014-07-23 |
| CN103940062B true CN103940062B (en) | 2017-03-15 |
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| CN201410199493.6A Expired - Fee Related CN103940062B (en) | 2014-05-12 | 2014-05-12 | Electrical appliance kit and its method of controlling security, the air-conditioner for adopting combustible refrigerant |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN105387564A (en) * | 2015-11-18 | 2016-03-09 | 南阳市中通防爆电机电器有限公司 | Anti-explosion air-conditioner and control method thereof |
| EP3692309A1 (en) * | 2017-10-04 | 2020-08-12 | BITZER Kühlmaschinenbau GmbH | Refrigerant compressor system |
| CN110006151A (en) * | 2019-04-29 | 2019-07-12 | 广东美的制冷设备有限公司 | The position method for selecting of automatically controlled case assembly, air conditioner and control method, detection part |
| CN111503754A (en) * | 2020-04-07 | 2020-08-07 | 海信（广东）空调有限公司 | Air conditioner outdoor unit and control method thereof |
| CN111457631A (en) * | 2020-04-30 | 2020-07-28 | 广州东弛自动化设备有限公司 | Explosion-proof system and safety design method for refrigeration equipment adopting combustible refrigerant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201724348U (en) * | 2010-06-17 | 2011-01-26 | 珠海格力电器股份有限公司 | Anti-explosion air conditioning |
| CN201747462U (en) * | 2010-08-19 | 2011-02-16 | 天津德赛机电设备有限公司 | Typhoon generator power station skid |
| CN102100955A (en) * | 2011-03-16 | 2011-06-22 | 张菊良 | Safety electric cabinet and control method thereof |
| CN203810654U (en) * | 2014-05-12 | 2014-09-03 | 珠海格力电器股份有限公司 | Electric box and air-conditioner adopting flammable refrigerant |
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