CN207350709U - 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
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- CN207350709U CN207350709U CN201720409787.6U CN201720409787U CN207350709U CN 207350709 U CN207350709 U CN 207350709U CN 201720409787 U CN201720409787 U CN 201720409787U CN 207350709 U CN207350709 U CN 207350709U
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- valve
- air
- controller
- conditioning system
- checking function
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Abstract
The utility model 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 to second controller in real time at the same time, and second controller is equipped 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；At the same time the second valve time-delay closing, the refrigerant in pipeline is back in compressor, avoid refrigerant and revealed caused by pipeline inside and outside differential pressure.Therefore, the utility model proposes the air-conditioning system for possessing self-checking function, can possess the function of self-test while leakage of refrigerant is avoided, the problem for solving the field at this stage.
Description
Technical field
Field of heating ventilation air conditioning is the utility model is related to, more specifically to a kind of air-conditioning system for possessing self-checking function.
Background technology
In recent years, Global Temperature raised, and air-conditioning equipment is increasingly becoming one of electric appliance of popular indispensability, and as people are to life
The lifting of quality requirements living, the work efficiency and security of air-conditioning increasingly become the core competitiveness of product.
In actual use, air-conditioning system failure happens occasionally caused by leakage of refrigerant, directly affects consumption
Satisfaction of the person to product.On the one hand, the leakage of refrigerant can reduce the work 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 shuts down, and refrigerant is dispersed in heat exchanger and associated pipe, at this time channel interior
Pressure be higher than external environment condition, therefore easily lead to refrigerant and revealed from micro gap, and be difficult leakage situation to refrigerant
It is detected；This is also the main reason for no air-conditioning refrigerant loss is serious for a long time.
Therefore, how while avoiding refrigerant from being revealed after air-conditioning shutdown, realize the function of self-test, be to show rank
Section field problem urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of air-conditioning system for possessing self-checking function, the system energy
Enough functions of possessing self-test while leakage of refrigerant is avoided, solve the problem in the field at this stage.
A kind of air-conditioning system for possessing self-checking function, including:
First valve, first valve are arranged on the export pipeline of compressor；
Second valve, second valve are arranged on the entrance pipe of the compressor；
First controller, first controller are used for the opening and closing for controlling first valve and second valve；
Pressure sensor, the pressure sensor are used for the pressure value P for detecting the compressor outlet；
Temperature sensor, the temperature sensor are used for the temperature value for detecting external environment condition；
Second controller, the second controller are connected with the pressure sensor and temperature sensor communication, and
Equipped with the corresponding pressure preset P of 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 to 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.
Preferably, the air-conditioning system for possessing self-checking function, the time of the second valve time-delay closing is in 10s-
Between 20s.
Preferably, the air-conditioning system for possessing self-checking function, the time of the first valve Time Delay Opening is in 15s-
Between 25s.
Preferably, the air-conditioning system for possessing self-checking function, the time of the second valve Time Delay Opening is in 15s-
Between 25s.
Preferably, the air-conditioning system for possessing self-checking function, first valve are shut-off valve.
Preferably, the air-conditioning system for possessing self-checking function, second valve are shut-off valve.
The utility model proposes the air-conditioning system for possessing self-checking function, including the first valve, the second valve, first control
Device, pressure sensor, temperature sensor, second controller.In actual use, the moment in compressor of air conditioner startup, the first control
Device processed controls the first valve and the second valve Time Delay Opening, while temperature sensor and pressure sensor moment starts and will examine
The pressure value P and temperature value measured is sent to second controller in real time, and second controller is equipped with the temperature value phase with detecting
Corresponding pressure preset P0；As P≤P0When, second controller sends the prompting of leakage of refrigerant, realizes the self-test of air-conditioning system
Function.In the moment that compressor of air conditioner is closed, the first controller controls the first valve to close, prevents refrigerant in compressor
Outflow；The second valve time-delay closing is controlled at the same time, the refrigerant in pipeline is back in compressor, alleviates the pressure in pipeline
Power, the refrigerant avoided in pipeline are revealed caused by inside and outside differential pressure.Therefore, the utility model proposes possess self-test work(
The air-conditioning system of energy, can possess the function of self-test while leakage of refrigerant is avoided, and solve the difficulty in the field at this stage
Topic.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the work flow diagram for the air-conditioning system for possessing self-checking function in the utility model embodiment.
Embodiment
The core of present embodiment is to provide a kind of air-conditioning system for possessing self-checking function, which can keep away
Exempt from the function of possessing self-test while leakage of refrigerant, the problem for solving the field at this stage.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to described in claim
Utility model content rise any restriction effect.In addition, the full content of the composition represented by example below is not limited to conduct
Necessary to the solution of utility model described in claim.
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
Have and the corresponding pressure preset P of temperature value0。
The air-conditioning system for possessing self-checking function that present embodiment provides, in 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 to second controller in real time, and second controller is equipped with and inspection
The corresponding pressure preset P of temperature value measured0；As P≤P0When, second controller sends the prompting of leakage of refrigerant, realizes
The self-checking function of air-conditioning system.In the moment that compressor of air conditioner is closed, the first controller controls the first valve to close, prevent pressure
Refrigerant outflow in contracting machine；The second valve time-delay closing is controlled at the same time, the refrigerant in pipeline is back in compressor, is delayed
The pressure in pipeline is solved, the refrigerant avoided in pipeline is revealed caused by inside and outside differential pressure.Therefore, the utility model carries
What is gone out possesses the air-conditioning system of self-checking function, can possess the function of self-test while leakage of refrigerant is avoided, and solves existing
The problem in the stage field.It please specifically refer to Fig. 1.
The air-conditioning system for possessing self-checking function that present embodiment provides, self-checking function realize that flow is as follows：
During starting of air conditioner, pressure sensor, temperature sensor, second controller moment start to work, and the first valve and the second valve
Delay working, if detecting P≤P at this time0When, second controller sends the prompting of leakage of refrigerant, that is, completes the function of self-test.
If P ＞ P0, then No leakage is illustrated, the first valve and the second valve are opened at this time, air-conditioning normal operation.Therefore, the system possesses
The function of leak case self-test to refrigerant, improves the practicality of system.Specific work process please refer to Fig. 1.
The air-conditioning system for possessing self-checking function that present embodiment provides, 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, achievees the purpose that to cut 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 provides, 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 provides, 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 shut-off 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 new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
- A kind of 1. air-conditioning system for possessing self-checking function, it is characterised in that including:First valve, first valve are arranged on the export pipeline of compressor；Second valve, second valve are arranged on the entrance pipe of the compressor；First controller, first controller are used for the opening and closing for controlling first valve and second valve；Pressure sensor, the pressure sensor are used for the pressure value P for detecting the compressor outlet；Temperature sensor, the temperature sensor are 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 equipped with With the corresponding pressure preset P of 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 to 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 |
|---|---|---|---|
| CN201720409787.6U CN207350709U (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 |
|---|---|---|---|
| CN201720409787.6U CN207350709U (en) | 2017-04-18 | 2017-04-18 | A kind of air-conditioning system for possessing self-checking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207350709U true CN207350709U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720409787.6U Expired - Fee Related CN207350709U (en) | 2017-04-18 | 2017-04-18 | A kind of air-conditioning system for possessing self-checking function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062546A (en) * | 2017-04-18 | 2017-08-18 | 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 |
| CN110887168A (en) * | 2018-09-10 | 2020-03-17 | 奥克斯空调股份有限公司 | Air conditioner refrigerant shortage detection method and air conditioner |
| CN110906504A (en) * | 2018-09-14 | 2020-03-24 | 奥克斯空调股份有限公司 | Air conditioner refrigerant leakage detection method and air conditioner |
-
2017
- 2017-04-18 CN CN201720409787.6U patent/CN207350709U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062546A (en) * | 2017-04-18 | 2017-08-18 | 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 |
| CN110887168A (en) * | 2018-09-10 | 2020-03-17 | 奥克斯空调股份有限公司 | Air conditioner refrigerant shortage detection method and air conditioner |
| CN110887168B (en) * | 2018-09-10 | 2021-05-18 | 奥克斯空调股份有限公司 | Air conditioner refrigerant shortage detection method and air conditioner |
| CN110906504A (en) * | 2018-09-14 | 2020-03-24 | 奥克斯空调股份有限公司 | Air conditioner refrigerant leakage detection method and air conditioner |
| CN110906504B (en) * | 2018-09-14 | 2021-05-18 | 奥克斯空调股份有限公司 | Air conditioner refrigerant leakage detection method and air conditioner |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |