CN202902545U - R290 environment-friendly refrigerating fluid air-conditioner - Google Patents
R290 environment-friendly refrigerating fluid air-conditioner Download PDFInfo
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- CN202902545U CN202902545U CN 201220571154 CN201220571154U CN202902545U CN 202902545 U CN202902545 U CN 202902545U CN 201220571154 CN201220571154 CN 201220571154 CN 201220571154 U CN201220571154 U CN 201220571154U CN 202902545 U CN202902545 U CN 202902545U
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Abstract
The utility model discloses an R290 environment-friendly refrigerating fluid air-conditioner which is composed of an indoor machine and an outdoor machine. The R290 environment-friendly refrigerating fluid air-conditioner comprises a compressor, a condenser, a throttling component, an evaporating machine, a four-way valve, an outdoor electronic control system, an indoor electronic control system and an R290 inductive probe. The outdoor electronic control system is connected with the indoor electronic control system. The R290 inductive probe is connected with the indoor electronic control system in a communicating mode. A condensation pipeline of the condenser is provided with a first magnetic valve. A second magnetic valve is arranged between the condenser and the throttling component. A third magnetic valve is arranged between the evaporating machine and the four-way valve. The first magnetic valve, the second magnetic valve and the third magnetic valve are electrically connected with the indoor electronic control system. The R290 environment-friendly refrigerating fluid air-conditioner can prevent R290 refrigerating fluid from leaking into a room, effectively eliminate potential safety hazard of the indoor machine of an air-conditioning system, greatly improve use safety of the R290 refrigerating fluid, be in favor of popularizing and applying the R290 refrigerating fluid in air-conditioning products and make contributions to energy conservation and environment protection cause.
Description
Technical field
The utility model relates to a kind of air-conditioner, especially relates to a kind of R290 of use as the air-conditioner of cold-producing medium.
Background technology
Along with improving constantly of people's living standard, air-conditioner has spread in huge numbers of families' the family, yet existing air-conditioner often adopts R22 as cold-producing medium, but the R22 cold-producing medium can damage ozone layer, and price is relatively costly, also has air-conditioner to adopt the R410 cold-producing medium as the substitute of R22 cold-producing medium at present, thereby reduces the destruction to ozone layer, these two kinds of cold-producing mediums belong to A1 class cold-producing medium at level of security, are nonflammable refrigerant.Cold-producing medium combustion safety problem need not be considered in its design of air conditioning aspect, but because the GWP (global warming potential) of above two kinds of cold-producing mediums is very high, is not the cold-producing medium of environmental protection.The greenhouse effects index GWP value that adopts these cold-producing mediums to produce is all very high, can find out from following data, and the ozone damped expoential ODP of R22 is 0.055, and greenhouse effects index GWP is 1700; The ozone damped expoential ODP of R410 is 0, and greenhouse effects index GWP is 1700; We know; greenhouse effects can cause Global Temperature generally to rise; thereby give human and environment brings very large threat, and along with the progressively development of national policy and people to the enhancing of environmental protection consciousness, can predict these cold-producing mediums and also can be eliminated gradually future.
The new air-conditioning refrigerant of national environmental protection section recommendation is R290 at present, and R290 claims that again propane is the product of industrial gas oil, belongs to natural refrigerant.It not only conveniently is easy to get, low price, and the ODP value is zero, and its GWP value is 0, has good ambient adaptability, so R290 is decided to be one of substitute of R22 by relevant association with refrigerating industry of relevant environmental protection mechanism.But it belongs to A3 class cold-producing medium at level of security, is combustible refrigerant, has inflammable and explosive characteristic, and the security that air-conditioner is used reduces greatly, seriously hinders it in the large-scale application in air-conditioner field.Therefore in the Air-conditioner design process, must take into full account its flammable characteristics.
The utility model content
The purpose of this utility model is to provide a kind of safe and reliable, economical operation, the use R290 air-conditioner as cold-producing medium, a safe and reliable running environment is provided for the R290 cold-producing medium, prevent that R290 refrigrant leakage in the air-conditioning system is in the room, avoid causing larger harm, improve R290 air-conditioning safety in utilization, effectively eliminate the potential safety hazard of air-conditioning system indoor set, make the relieved use air-conditioning of user.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of R290 environmental protection refrigerant air-conditioner, formed by indoor set and off-premises station, comprise compressor, condenser, orifice union, evaporimeter, cross valve, also comprise outdoor electric-control system, indoor electric-control system, described outdoor electric-control system is connected with indoor electric-control system, also comprises the R290 inductive probe, and described R290 inductive probe is connected with indoor automatically controlled system communication; Condensation pipe at described condenser is provided with the first magnetic valve, is provided with the second magnetic valve between condenser and orifice union, is provided with the 3rd magnetic valve between evaporimeter and cross valve, and described first, second and third magnetic valve is electrically connected with indoor electric-control system.
Preferably, also comprise the smoke sensing probe, described smoke sensing probe is connected with indoor automatically controlled system communication.
Preferably, between described orifice union and evaporimeter, be provided with the first stop valve.
Preferably, between described cross valve and the 3rd magnetic valve, be provided with the second stop valve.
Preferably, described the first magnetic valve, the second magnetic valve, the 3rd magnetic valve are normally closed solenoid valve.
The beneficial effects of the utility model are:
Owing to be provided with concentration inductive probe and the smoke sensing probe of R290 cold-producing medium at air-conditioner of the present utility model, when sensing when unusual, system at once with the R290 refrigerant collecting on the refrigeration pipe to the condenser of off-premises station, thereby the R290 that has guaranteed indoor set is eliminated, and reduces the danger of indoor.And open the first magnetic valve and discharge R290, R290 is discharged to outdoor, greatly improved the safety in utilization of R290 cold-producing medium.Use air-conditioner of the present invention and compare with existing common air-conditioning air-conditioning system, can at a large amount of amount of leakage in the room of R290 environmental protection refrigerant in the air-conditioning systems that reduce, guarantee the use safety of air-conditioner.
Description of drawings
Fig. 1 is the structural representation of air-conditioner of the present utility model.
Fig. 2 is air-conditioner smoke sensing control flow chart of the present utility model.
Fig. 3 is air-conditioner R290 concentration induction control flow chart of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, a kind of air-conditioning system of the utility model comprises that mainly compressor 1, cross valve 2, condenser 3, the first magnetic valve 4, the second magnetic valve 5, outdoor electric-control system 6, indoor electric-control system 7, orifice union 8, the first stop valve 9, evaporimeter 10, the 3rd magnetic valve 11, the second stop valve 12, smoke sensing probe 13, R290 inductive probe 14 form.Wherein the first magnetic valve 4, the second magnetic valve 5, the 3rd magnetic valve 11 are normally closed solenoid valve.
Referring to Fig. 1, in the air conditioner refrigerating running, air-conditioning system flow of refrigerant route is as follows:
In the air-conditioning heating running, air-conditioning system flow of refrigerant route is as follows:
------------------------compressor 1 is finished kind of refrigeration cycle to the second magnetic valve 5 to orifice union 8 to the first stop valve 9 to evaporimeter 10 to the 3rd magnetic valve 11 to the second stop valve 12 to four-way change-over valve 2 to compressor 1 with condenser 3---four-way change-over valve 2---.This moment, the first magnetic valve 4 was obstructed, and the second magnetic valve 5 and 11 conductings of the 3rd magnetic valve guarantee that refrigerant flow path is unobstructed, and air-conditioner can normally move.
Referring to Fig. 2, under the air-conditioner electriferous state, when smoke sensing probe 13 senses the limiting value that smokescope reaches 0.65 ~ 15.5%FT(default) time, smoke sensing probe 13 sends signal to indoor electric-control system 6, indoor electric-control system 6 sends signal to outdoor electric-control system 7, outdoor electric control system controls the first magnetic valve 4, the second magnetic valve 5,11 actions of the 3rd magnetic valve.Concrete action is as follows: when 1) air conditioner refrigerating moves, controlling first the second magnetic valve 5 closes, refrigerant is got back in the off-premises station, controlling the 3rd magnetic valve 11 after 10 seconds closes, cut off indoor and outdoor refrigerant system path, open the first magnetic valve 4, the environmental protection refrigerant in the air-conditioning system is discharged in the outdoor air, avoid the indoor intensity of a fire of cold-producing medium growth encourage in the air-conditioning system.When 2) air conditioner heat-production moves, then cut off the power supply to cross valve first, make air-conditioning transfer refrigerating operaton to, then control the second magnetic valve 5 and close, refrigerant is got back in the off-premises station, control the 3rd magnetic valve 11 after 10 seconds and close, cut off indoor and outdoor refrigerant system path, open the first magnetic valve 4, the environmental protection refrigerant in the air-conditioning system is discharged in the outdoor air, avoid the indoor intensity of a fire of cold-producing medium growth encourage in the air-conditioning system.When 3) air-conditioning is in holding state, then directly control the second magnetic valve 5 and the 3rd magnetic valve 11 cuts out, open the first magnetic valve 4, the environmental protection refrigerant in the air-conditioner outdoor unit is discharged in the outdoor air, avoid that cold-producing medium encourages the indoor intensity of a fire in the air-conditioning system.
Referring to Fig. 3, under the air-conditioner electriferous state, when R290 inductive probe 14 sensings detect the R290 leakage rate and reach 0.5 gram/year (limiting value of default), R290 inductive probe 14 sends signal to indoor electric-control system 6, indoor electric-control system 6 sends signal to outdoor electric-control system 7, outdoor electric control system controls the first magnetic valve 4, the second magnetic valve 5,11 actions of the 3rd magnetic valve.Concrete action is as follows: when 1) air conditioner refrigerating moves, controlling first the second magnetic valve 5 closes, refrigerant is got back in the off-premises station, controlling the 3rd magnetic valve 11 after 10 seconds closes, cut off indoor and outdoor refrigerant system path, open the first magnetic valve 4, the environmental protection refrigerant in the air-conditioning system is discharged in the outdoor air, avoid the indoor intensity of a fire of cold-producing medium growth encourage in the air-conditioning system.When 2) air conditioner heat-production moves, then cut off the power supply to cross valve first, make air-conditioning transfer refrigerating operaton to, then control the second magnetic valve 5 and close, refrigerant is got back in the off-premises station, control the 3rd magnetic valve 11 after 10 seconds and close, cut off indoor and outdoor refrigerant system path, open the first magnetic valve 4, the environmental protection refrigerant in the air-conditioning system is discharged in the outdoor air, avoid the indoor intensity of a fire of cold-producing medium growth encourage in the air-conditioning system.When 3) air-conditioning is in holding state, then directly control the second magnetic valve 5 and the 3rd magnetic valve 11 cuts out, open the first magnetic valve 4, the environmental protection refrigerant in the air-conditioner outdoor unit is discharged in the outdoor air, avoid that cold-producing medium encourages the indoor intensity of a fire in the air-conditioning system.
Air-conditioning because the second magnetic valve 5, the 3rd magnetic valve 11 be normally closed solenoid valve, can be blocked cold-producing medium in condenser and the compressor and enter indoorly in the case of not charged, and it is indoor to avoid in the air conditioner outdoor unit system cold-producing medium to enter, the growth encourage intensity of a fire.
Claims (5)
1. R290 environmental protection refrigerant air-conditioner, formed by indoor set and off-premises station, comprise compressor, condenser, orifice union, evaporimeter, cross valve, also comprise outdoor electric-control system, indoor electric-control system, described outdoor electric-control system is connected with indoor electric-control system, it is characterized in that: also comprise the R290 inductive probe, described R290 inductive probe is connected with indoor automatically controlled system communication; Condensation pipe at described condenser is provided with the first magnetic valve, is provided with the second magnetic valve between condenser and orifice union, is provided with the 3rd magnetic valve between evaporimeter and cross valve, and described first, second and third magnetic valve is electrically connected with indoor electric-control system.
2. R290 environmental protection refrigerant air-conditioner according to claim 1 is characterized in that: also comprise the smoke sensing probe, described smoke sensing probe is connected with indoor automatically controlled system communication.
3. R290 environmental protection refrigerant air-conditioner according to claim 1 and 2 is characterized in that: be provided with the first stop valve between described orifice union and evaporimeter.
4. R290 environmental protection refrigerant air-conditioner according to claim 3 is characterized in that: be provided with the second stop valve between described cross valve and the 3rd magnetic valve.
5. R290 environmental protection refrigerant air-conditioner according to claim 4, it is characterized in that: described the first magnetic valve, the second magnetic valve, the 3rd magnetic valve are normally closed solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571154 CN202902545U (en) | 2012-11-02 | 2012-11-02 | R290 environment-friendly refrigerating fluid air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571154 CN202902545U (en) | 2012-11-02 | 2012-11-02 | R290 environment-friendly refrigerating fluid air-conditioner |
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| Publication Number | Publication Date |
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| CN202902545U true CN202902545U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571154 Expired - Fee Related CN202902545U (en) | 2012-11-02 | 2012-11-02 | R290 environment-friendly refrigerating fluid air-conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833053A (en) * | 2015-04-30 | 2015-08-12 | 广东美的制冷设备有限公司 | Safety protection method and system of air conditioner |
| CN113375286A (en) * | 2021-06-11 | 2021-09-10 | 青岛海尔空调器有限总公司 | Safety control method of air conditioner, electronic device and storage medium |
| 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 |
-
2012
- 2012-11-02 CN CN 201220571154 patent/CN202902545U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833053A (en) * | 2015-04-30 | 2015-08-12 | 广东美的制冷设备有限公司 | Safety protection method and system of air conditioner |
| 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 |
| CN113375286A (en) * | 2021-06-11 | 2021-09-10 | 青岛海尔空调器有限总公司 | Safety control method of air conditioner, electronic device and storage medium |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20171102 |