CN107062546A - A kind of air-conditioning system for possessing self-checking function - Google Patents
A kind of air-conditioning system for possessing self-checking function Download PDFInfo
- Publication number
- CN107062546A CN107062546A CN201710253359.3A CN201710253359A CN107062546A CN 107062546 A CN107062546 A CN 107062546A CN 201710253359 A CN201710253359 A CN 201710253359A CN 107062546 A CN107062546 A CN 107062546A
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- CN
- China
- Prior art keywords
- valve
- air
- controller
- conditioning system
- checking function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 42
- 239000003507 refrigerant Substances 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning system for possessing self-checking function, including the first valve, the second valve, the first controller, pressure sensor, temperature sensor, second controller.In actual use, when compressor of air conditioner starts, the first valve and the second valve Time Delay Opening, temperature sensor and pressure sensor start and the pressure value P detected and temperature value are sent into second controller in real time simultaneously, and second controller is provided with pressure preset P0；As P≤P0When, second controller sends leakage of refrigerant prompting.When air-conditioning is closed, the first valve closes, prevents the refrigerant in compressor from flowing out；Simultaneously the second valve time-delay closing, the refrigerant in pipeline is back in compressor, it is to avoid refrigerant is because revealing caused by pipeline inside and outside differential pressure.Therefore, the air-conditioning system proposed by the present invention for possessing self-checking function, can possess the function of self-inspection while leakage of refrigerant is avoided, solve the problem in the field at this stage.
Description
Technical field
The present invention relates to field of heating ventilation air conditioning, more specifically to a kind of air-conditioning system for possessing self-checking function.
Background technology
In recent years, Global Temperature was raised, and air-conditioning equipment is increasingly becoming one of electrical equipment of popular indispensability, and as people are to life
The lifting of quality requirements living, the operating efficiency and security of air-conditioning increasingly become the core competitiveness of product.
In actual use, because caused by leakage of refrigerant air-conditioning system failure happen occasionally, directly affects consumption
Satisfaction of the person to product.On the one hand, the leakage of refrigerant can reduce the operating efficiency of air-conditioning；On the other hand, the system of leakage
Cryogen is discharged in air, and ozone layer can be damaged, and causes a series of harm, such as greenhouse effects.
From the principle Analysis of air-conditioning system, refrigerant is mainly let out by the micro gap of line connection
Dew.I.e. after air-conditioning shutdown, compressor is shut down, and refrigerant is dispersed in heat exchanger and associated pipe, now channel interior
Pressure be higher than external environment condition, therefore easily lead to refrigerant and revealed from micro gap, and be difficult to the leakage situation of refrigerant
Detected；This is also that the no air-conditioning refrigerant of long-time is lost in serious main cause.
Therefore, how while avoiding refrigerant from being revealed after air-conditioning shutdown, realize the function of self-inspection, be existing rank
Section field problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of air-conditioning system for possessing self-checking function, the system can be
The function of possessing self-inspection while leakage of refrigerant is avoided, the problem in the field at this stage is solved.
A kind of air-conditioning system for possessing self-checking function, including:
First valve, first valve is arranged on the export pipeline of compressor；
Second valve, second valve is arranged on the entrance pipe of the compressor；
First controller, first controller is used for the opening and closing for controlling first valve and second valve；
Pressure sensor, the pressure sensor is used for the pressure value P for detecting the compressor outlet；
Temperature sensor, the temperature sensor is used for the temperature value for detecting external environment condition；
Second controller, the second controller is connected with the pressure sensor and temperature sensor communication, and
Provided with the pressure preset P corresponding with the temperature value0；
During the compressor start, first controller controls first valve and second valve delay to beat
Open；And the pressure sensor and the temperature sensor moment start and detection signal are sent into second control in real time
Device processed；As P≤P0When, the second controller sends the prompting of leakage of refrigerant；
When the compressor is closed, first controller controls the first valve moment to close, and controls described the
Two valve time-delay closings.
It is preferred that, the described air-conditioning system for possessing self-checking function, the time of the second valve time-delay closing is in 10s-
Between 20s.
It is preferred that, the described air-conditioning system for possessing self-checking function, the time of the first valve Time Delay Opening is in 15s-
Between 25s.
It is preferred that, the described air-conditioning system for possessing self-checking function, the time of the second valve Time Delay Opening is in 15s-
Between 25s.
It is preferred that, the described air-conditioning system for possessing self-checking function, first valve is stop valve.
It is preferred that, the described air-conditioning system for possessing self-checking function, second valve is stop valve.
The air-conditioning system proposed by the present invention for possessing self-checking function, including the first valve, the second valve, the first controller,
Pressure sensor, temperature sensor, second controller.When actual use, moment, the first controller in compressor of air conditioner startup
The first valve and the second valve Time Delay Opening are controlled, while temperature sensor and pressure sensor moment starts and will detected
Pressure value P and temperature value be sent to second controller in real time, and second controller is provided with corresponding with the temperature value detected
Pressure preset P0；As P≤P0When, second controller sends the prompting of leakage of refrigerant, realizes the self-inspection work(of air-conditioning system
Energy.The moment closed in compressor of air conditioner, the first controller controls the cold-producing medium stream that the first valve is closed, prevented in compressor
Go out；The second valve time-delay closing is controlled simultaneously, the refrigerant in pipeline is back in compressor, alleviates the pressure in pipeline
Power, it is to avoid the refrigerant in pipeline is because revealing caused by inside and outside differential pressure.Therefore, it is proposed by the present invention to possess self-checking function
Air-conditioning system, the function that can possess self-inspection while leakage of refrigerant is avoided, solves the problem in the field at this stage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 be the specific embodiment of the invention in possess self-checking function air-conditioning system workflow diagram.
Embodiment
The core of present embodiment is a kind of air-conditioning system for possessing self-checking function of offer, and the system can kept away
Exempt from the function of possessing self-inspection while leakage of refrigerant, solve the problem in the field at this stage.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to described in claim
The content of the invention rise any restriction effect.In addition, the full content of the composition represented by example below is not limited to as right
It is required that necessary to the solution of described invention.
Present embodiment provide the air-conditioning system for possessing self-checking function, mainly include the first valve, the second valve,
First controller, temperature sensor, pressure sensor, second controller.Wherein, the first controller be used for control the first valve and
The work of second valve；Temperature sensor is used to detect ambient temperature value, and pressure sensor is used for the pressure for detecting compressor outlet
Force value P；First valve is arranged on the export pipeline of compressor of air conditioner；Second valve is arranged on the entrance pipe of compressor of air conditioner
On；Second controller is connected with temperature sensor and pressure sensor communication, and the signal detected both real-time reception, and is set
There is the pressure preset P corresponding with temperature value0。
The air-conditioning system for possessing self-checking function that present embodiment is provided, when actual use, is opened in compressor of air conditioner
Dynamic moment, the first controller the first valve of control and the second valve Time Delay Opening, while temperature sensor and pressure sensor
Moment starts and the pressure value P detected and temperature value is sent into second controller in real time, and second controller is provided with and inspection
The corresponding pressure preset P of the temperature value that measures0；As P≤P0When, second controller sends the prompting of leakage of refrigerant, realizes
The self-checking function of air-conditioning system.The moment closed in compressor of air conditioner, the first controller controls the first valve to close, prevent pressure
Refrigerant outflow in contracting machine；The second valve time-delay closing is controlled simultaneously, the refrigerant in pipeline is back in compressor, is delayed
The pressure in pipeline is solved, it is to avoid the refrigerant in pipeline is because revealing caused by inside and outside differential pressure.Therefore, it is proposed by the present invention
Possesses the air-conditioning system of self-checking function, the function that can possess self-inspection while leakage of refrigerant is avoided is solved at this stage
The problem in the field.It please specifically refer to Fig. 1.
The air-conditioning system for possessing self-checking function that present embodiment is provided, the implementation process of self-checking function is as follows：
During starting of air conditioner, pressure sensor, temperature sensor, second controller moment start working, and the first valve and the second valve
Delay working, if now detecting P≤P0When, second controller sends the prompting of leakage of refrigerant, that is, completes the function of self-inspection.
If P ＞ P0, then No leakage is illustrated, now the first valve and the second valve are opened, and air-conditioning is normally run.Therefore, the system possesses
To the function of the leak case self-inspection of refrigerant, the practicality of system is improved.Specific work process please refer to Fig. 1.
The air-conditioning system for possessing self-checking function that present embodiment is provided, time-delay closing time of the second valve can be with
It is set between 10s-20s, such as while ensureing that refrigerant smoothly flows back, reaches the purpose for cutting off the second valve as early as possible, prolong
When time for closing can be chosen to be 15s.
The air-conditioning system for possessing self-checking function that present embodiment is provided, the first valve and the second valve Time Delay Opening
Time may be set between 15s-25s, for example, 20s can be chosen to be in this embodiment.
The air-conditioning system for possessing self-checking function that present embodiment is provided, the first valve and the second valve are ensureing just
Often on the premise of work, various suitable valves can be selected；In this embodiment, in order to further improve valve
Service life, can select the less stop valve of sealing surface frictional force of the valve during opening and closing.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (6)
1. a kind of air-conditioning system for possessing self-checking function, it is characterised in that including:
First valve, first valve is arranged on the export pipeline of compressor；
Second valve, second valve is arranged on the entrance pipe of the compressor；
First controller, first controller is used for the opening and closing for controlling first valve and second valve；
Pressure sensor, the pressure sensor is used for the pressure value P for detecting the compressor outlet；
Temperature sensor, the temperature sensor is used for the temperature value for detecting external environment condition；
Second controller, the second controller is connected with the pressure sensor and temperature sensor communication, and is provided with
The pressure preset P corresponding with the temperature value0；
During the compressor start, first controller controls first valve and the second valve Time Delay Opening；And
The pressure sensor and the temperature sensor moment start and detection signal are sent into the second controller in real time；
As P≤P0When, the second controller sends the prompting of leakage of refrigerant；
When the compressor is closed, first controller controls the first valve moment to close, and controls second valve
Gate delay is closed.
2. the air-conditioning system according to claim 1 for possessing self-checking function, it is characterised in that the second valve delay is closed
The time closed is between 10s-20s.
3. the air-conditioning system according to claim 1 for possessing self-checking function, it is characterised in that the first valve delay is beaten
The time opened is between 15s-25s.
4. the air-conditioning system according to claim 1 for possessing self-checking function, it is characterised in that the second valve delay is beaten
The time opened is between 15s-25s.
5. the air-conditioning system according to claim 1 for possessing self-checking function, it is characterised in that first valve is cut-off
Valve.
6. the air-conditioning system according to claim 1 for possessing self-checking function, it is characterised in that second valve is cut-off
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253359.3A CN107062546A (en) | 2017-04-18 | 2017-04-18 | A kind of air-conditioning system for possessing self-checking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253359.3A CN107062546A (en) | 2017-04-18 | 2017-04-18 | A kind of air-conditioning system for possessing self-checking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107062546A true CN107062546A (en) | 2017-08-18 |
Family
ID=59599627
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710253359.3A Pending CN107062546A (en) | 2017-04-18 | 2017-04-18 | A kind of air-conditioning system for possessing self-checking function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375466A (en) * | 2018-04-13 | 2019-10-25 | 开利公司 | The detection device and method of leakage of refrigerant for air source heat pump system |
| CN116045450A (en) * | 2022-12-22 | 2023-05-02 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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| JPS57140265A (en) * | 1981-02-23 | 1982-08-30 | Toyoda Mach Works Ltd | Apparatus for detecting leakage |
| CN101737856A (en) * | 2008-11-19 | 2010-06-16 | 三星电子株式会社 | Multi-connection air conditioner and freezing medium leakage diagnosing method thereof |
| CN201680512U (en) * | 2010-01-07 | 2010-12-22 | 珠海格力电器股份有限公司 | Air conditioner for preventing leakage of refrigerating fluid |
| CN102147125A (en) * | 2010-02-04 | 2011-08-10 | 珠海格力电器股份有限公司 | Air conditioner and processing method of refrigerant thereof |
| CN202630496U (en) * | 2012-06-04 | 2012-12-26 | 广州日立冷机有限公司 | Air-cooled screw type water chiller unit |
| CN203869825U (en) * | 2014-06-05 | 2014-10-08 | 珠海格力电器股份有限公司 | Detection system and air conditioner |
| CN207350709U (en) * | 2017-04-18 | 2018-05-11 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system for possessing self-checking function |
-
2017
- 2017-04-18 CN CN201710253359.3A patent/CN107062546A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57140265A (en) * | 1981-02-23 | 1982-08-30 | Toyoda Mach Works Ltd | Apparatus for detecting leakage |
| CN101737856A (en) * | 2008-11-19 | 2010-06-16 | 三星电子株式会社 | Multi-connection air conditioner and freezing medium leakage diagnosing method thereof |
| CN201680512U (en) * | 2010-01-07 | 2010-12-22 | 珠海格力电器股份有限公司 | Air conditioner for preventing leakage of refrigerating fluid |
| CN102147125A (en) * | 2010-02-04 | 2011-08-10 | 珠海格力电器股份有限公司 | Air conditioner and processing method of refrigerant thereof |
| CN202630496U (en) * | 2012-06-04 | 2012-12-26 | 广州日立冷机有限公司 | Air-cooled screw type water chiller unit |
| CN203869825U (en) * | 2014-06-05 | 2014-10-08 | 珠海格力电器股份有限公司 | Detection system and air conditioner |
| CN207350709U (en) * | 2017-04-18 | 2018-05-11 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system for possessing self-checking function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375466A (en) * | 2018-04-13 | 2019-10-25 | 开利公司 | The detection device and method of leakage of refrigerant for air source heat pump system |
| CN110375466B (en) * | 2018-04-13 | 2022-10-28 | 开利公司 | Device and method for detecting refrigerant leakage of air source heat pump system |
| US11732939B2 (en) | 2018-04-13 | 2023-08-22 | Carrier Corporation | Detection apparatus and method for refrigerant leakage of air source heat pump system |
| CN116045450A (en) * | 2022-12-22 | 2023-05-02 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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Application publication date: 20170818 |