CN110486886A - Refrigerant detection device and detection method - Google Patents
Refrigerant detection device and detection method Download PDFInfo
- Publication number
- CN110486886A CN110486886A CN201810463708.9A CN201810463708A CN110486886A CN 110486886 A CN110486886 A CN 110486886A CN 201810463708 A CN201810463708 A CN 201810463708A CN 110486886 A CN110486886 A CN 110486886A
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- temperature
- air conditioner
- standard value
- preset standard
- refrigerant
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Classifications
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- 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
- F24F11/38—Failure diagnosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
It includes detecting module that the present invention, which provides a kind of refrigerant detection device and detection method, the detection device, when an air conditioner, which is switched on, to be run, controls the temperature of the temperature sensing unit detecting real-time heat exchanger of air conditioner in air conditioner；Module is obtained, when the time of air conditioner booting operation reaching the first preset time, obtains maximum temperature and minimum temperature of the heat exchanger in the first preset time；Computing module calculates the temperature gap of maximum temperature and minimum temperature；The computing module is also used to calculate the preset standard value of the temperature gap of maximum temperature and minimum temperature of the heat exchanger in the first preset time according to the running state data of multiple air conditioners；Judgment module, judges whether temperature gap is less than preset standard value；And determining module determines that the refrigerant of air conditioner is in leak condition when temperature gap is less than preset standard value.The present invention improves the accuracy of refrigerant detection, and coolant leakage is avoided to damage.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to a kind of refrigerant detection devices and detection method.
Background technique
A kind of electronic device of the air conditioner as air parameters such as adjusting temperature, humidity, has been widely used in people
Daily life.Refrigerant (also known as refrigerant) is the heat transfer substance of air conditioner, and main component is chlorofluorocarbons, leaks meeting
Air conditioner is damaged, is also easy to pollute air.Therefore, air conditioner all has refrigerant detection function to detect refrigerant
Whether leak.Existing refrigerant detection method generally judged only in accordance with the degree of superheat of the indoor heat exchanger of air conditioner, by
More single in Rule of judgment, testing result is often not accurate enough, the erroneous judgement for be easy to causeing refrigerant whether to leak.
Summary of the invention
In view of this, it is necessary to provide a kind of refrigerant detection device and detection methods, to solve the above technical problems.
A kind of refrigerant detection device is communicated to connect with multiple air conditioners, and the detection device includes processor, the processing
Device includes:
Detecting module controls the temperature in the air conditioner for when an air conditioner is switched on and runs, sending a control signal
Spend the temperature of heat exchanger of air conditioner described in sensing unit detecting real-time；
Module is obtained, for obtaining the heat when the time of air conditioner booting operation reaching the first preset time
Maximum temperature and minimum temperature of the exchanger in first preset time；
Computing module, for calculating maximum temperature and minimum temperature of the heat exchanger in first preset time
Temperature gap；
The computing module, which is also used to calculate the heat exchanger according to the running state data of the multiple air conditioner, to exist
The preset standard value of the temperature gap of maximum temperature and minimum temperature in first preset time；
Judgment module, for judging maximum temperature and minimum temperature of the heat exchanger in first preset time
Temperature gap whether be less than the preset standard value；And
Determining module, for determining the refrigerant of the air conditioner when the temperature gap is less than the preset standard value
In leak condition.
A kind of refrigerant detection method is applied to a refrigerant detection device, the detection device and multiple air conditioner communication links
It connects, detection method includes the following steps for the refrigerant:
(a) it when an air conditioner, which is switched on, to be run, sends a control signal and controls the temperature sensing unit in the air conditioner
The temperature of heat exchanger of air conditioner described in detecting real-time；
(b) when the time of air conditioner booting operation reaching the first preset time, the heat exchanger is obtained in institute
State the maximum temperature and minimum temperature in the first preset time；
(c) temperature difference of maximum temperature and minimum temperature of the heat exchanger in first preset time is calculated
Value；
(d) heat exchanger is calculated in first preset time according to the running state data of the multiple air conditioner
The preset standard value of the temperature gap of interior maximum temperature and minimum temperature；
(e) judge the temperature gap of maximum temperature and minimum temperature of the heat exchanger in first preset time
Whether the preset standard value is less than；And
(f) when the temperature gap is less than the preset standard value, determine that the refrigerant of the air conditioner is in leakage shape
State.
The history run state of air conditioner is included in by above-mentioned refrigerant detection device and detection method judges whether refrigerant leaks
Condition, improve refrigerant detection accuracy, effectively avoid damage caused by coolant leakage.
Detailed description of the invention
Fig. 1 is the functional block diagram of the refrigerant detection device in better embodiment of the present invention.
Fig. 2 is the flow diagram of the refrigerant detection method in better embodiment of the present invention.
Main element symbol description
| Detection device | 1 |
| Processor | 10 |
| Detecting module | 101 |
| Obtain module | 102 |
| Computing module | 103 |
| Judgment module | 104 |
| Determining module | 105 |
| Alarm module | 106 |
| Memory | 20 |
| Air conditioner | 100 |
| Temperature sensing unit | 110 |
| Heat exchanger | 120 |
| Communication unit | 130 |
| Alarm unit | 140 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1, for refrigerant detection device 1 provided by better embodiment of the present invention.The detection device 1 is used for
It is communicated to connect with air conditioner 100, for detecting the air conditioner 100, whether refrigerant is in leak condition at runtime, to keep away
Exempt from coolant leakage to damage the air conditioner 100.
In the present embodiment, the detection device 1 is server, and multiple including the air conditioner 100
Air conditioner 100 communicates to connect.Wherein, the communication connection mode between the detection device 1 and the air conditioner 100 can be nothing
Line LAN connection or internet connection.
The detection device 1 includes at least processor 10 and memory 20.The air conditioner 100 includes at least temperature sensing
Unit 110, heat exchanger 120 and communication unit 130.In the present embodiment, the heat exchanger 120 is for transmitting heat.
The temperature sensing unit 110 is temperature sensor, is installed on the heat exchanger 120, for detecting the heat exchanger
Temperature when 120 work.The communication unit 130 is Wireless LAN router equipment or internet mould group.The air conditioner
100 are communicated to connect by the communication unit 130 with the detection device 1.The communication unit 130 is also used to the temperature
The temperature data that sensing unit 110 detects is sent to the detection device 1.The memory 20 is described for receiving and storing
The temperature data that the temperature sensing unit 110 that communication unit 130 is sent detects.
As shown in Figure 1, the detection device 1 includes at least detecting module 101, obtains module 102, computing module 103, sentences
Disconnected module 104, determining module 105 and alarm module 106.In the present embodiment, above-mentioned module is to be stored in the memory
In 20 and the programmable software instruction executed can be called by the processor 10.It is understood that in other embodiments
In, above-mentioned module can also be to solidify program instruction or firmware (firmware) in the processor 10.
The detecting module 101 is used for when the air conditioner 100 is switched on and runs, and is sent a control signal and is controlled the temperature
Spend the temperature of heat exchanger 120 in air conditioner 100 described in 110 detecting real-time of sensing unit.In the present embodiment, when the sky
When adjusting the booting operation of device 100, the heat exchanger 120 in the air conditioner 100 is also started to work, and carries out the transmitting of heat, temperature
Degree can also change.
The module 102 that obtains is used to obtain when the time of the air conditioner 100 booting operation reaching the first preset time
Take maximum temperature and minimum temperature of the heat exchanger 120 in first preset time.
In the present embodiment, when the time of the air conditioner 100 booting operation reaching the first preset time, the sky
The temperature data for adjusting the communication unit 130 of device 100 to detect the temperature sensing unit 110 in first preset time
It is sent to the detection device 1, the temperature data is stored in the memory 20 of the detection device, the acquisition module
102 from obtaining maximum temperature and lowest temperature of the heat exchanger 120 in first preset time in the memory 20
Degree.Wherein, first preset time is 5 minutes.In other embodiments, first preset time is also possible to other
Any suitable time.
The computing module 103 is for calculating maximum temperature of the heat exchanger 120 in first preset time
With the temperature gap of minimum temperature.
The computing module 103 is also used to calculate the heat exchanger according to the running state data of multiple air conditioners 100
The preset standard value of the temperature gap of 120 maximum temperature and minimum temperature in first preset time.
In the present embodiment, the preset standard value and the 100 place room temperature of air conditioner and outdoor temperature phase
It closes, the range of the preset standard value is between 3 degrees Celsius and 5 degrees Celsius.
Specifically, when the time of the accumulation of air conditioner 100 booting operation any in the multiple air conditioner 100 reaches second in advance
If after the time, the detection device 1 starts to collect the fortune that the air conditioner 100 is switched on every time in operation first preset time
Row status data, data determine the preset standard value to the computing module 103 according to the operation state.In present embodiment
In, second preset time is 40 hours.
In the present embodiment, the running state data includes at least the operational mode of air conditioner 100, room temperature becomes
The temperature variation of change amount, outdoor temperature variable quantity and the heat exchanger 120.Wherein, the operational mode includes at least
Refrigeration mode, dehumidification mode and heating mode.In the prior art, room temperature can be also detected while air conditioner 100 is run,
Therefore the indoor temperature change generated in case amount is determined according to the room temperature that the air conditioner 100 detects.The outdoor temperature variation
Amount is determined according to the outdoor temperature that the weather forecast of local meteorological observatory is announced.The temperature variation of the heat exchanger 120 then root
It is determined according to the temperature detected to the temperature sensing unit 110 in air conditioner 100.
The computing module 103 respectively to when each 100 each run of air conditioner of current time difference room temperature become
Heat exchanger temperature variable quantity outside change amount and different chamber under temperature variation calculates average value, to obtain the preset standard
Value.For example, an outdoor temperature variable quantity when air conditioner 100 is run in first preset time is 5 degrees Celsius, Indoor Temperature
Spending variable quantity is 10 degrees Celsius, and heat exchanger temperature variable quantity is 3.5 degrees Celsius；Another air conditioner 100 is default described first
Outdoor temperature variable quantity in time when operation is 4 degrees Celsius, and indoor temperature change generated in case amount is 8 degrees Celsius, and heat exchanger temperature becomes
Change amount is 4.5 degrees Celsius, and it is 4 degrees Celsius that the computing module 103, which calculates average value to two heat exchanger temperature variable quantities,
The so described preset standard value is 4 degrees Celsius.
It should be noted that when the time of air conditioner accumulation operation being more than third preset time, the detection device 1
The operating status of the air conditioner 100 is not regathered.In the present embodiment, the third preset time is 3000 hours.
The judgment module 104 is for judging maximum temperature of the heat exchanger 120 in first preset time
Whether it is less than the preset standard value with the temperature gap of minimum temperature.
In the present embodiment, the preset standard value includes the first preset standard value and the second preset standard value.Wherein,
First preset standard value is that the computing module 103 obtains under the operating mode for freezing or dehumidifying according to air conditioner 100
The preset standard value that is calculated of running state data, second preset standard value is the computing module 103 according to sky
The preset standard value that the running state data for adjusting device 100 to obtain under the operating mode of heating is calculated.For example, described first
Preset standard value is 3 degrees Celsius, and the second standard preset value is 5 degrees Celsius.
When the air conditioner 100 is in refrigeration or dehumidification mode, the judgment module 104 judges that the temperature gap is
It is no to be less than the first standard preset value；When the air conditioner 100 is in heating mode, the judgment module 104 judges institute
State whether temperature gap is less than the second standard preset value.
The determining module 105 is used for when the temperature gap is greater than or equal to the preset standard value, described in judgement
The refrigerant of air conditioner 100 is in normal condition.When the temperature gap is less than the preset standard value, the determining module
105 for determining that the refrigerant of the air conditioner 100 is in leak condition.
The alarm module 106 is used for when the refrigerant of the air conditioner 100 is in leak condition, sends an alarm signal
To the air conditioner 100.
In the present embodiment, the air conditioner 100 further includes alarm unit 140, for responding the alarm module 106
The alarm signal of transmission issues prompt tone, to prompt the refrigerant of air conditioner 100 described in user to be in leak condition.Wherein, described
Alarm unit 140 is jingle bell device, for issuing default the tinkle of bells to prompt user.The alarm unit 140 is also possible to voice
Suggestion device, for issuing default voice to prompt user.User can close the air conditioner in time after hearing prompt tone
100, and the air conditioner 100 is given and is repaired.
Referring to FIG. 2, for the flow chart of the refrigerant detection method in better embodiment of the present invention.
Step S101, when the air conditioner 100, which is switched on, to be run, sky described in 110 detecting real-time of temperature sensing unit
Adjust the temperature of heat exchanger 120 in device 100.
Step S102 obtains the heat and hands over when the time of the air conditioner 100 booting operation reaching the first preset time
Maximum temperature and minimum temperature of the parallel operation 120 in first preset time.
Step S103 calculates maximum temperature and minimum temperature of the heat exchanger 120 in first preset time
Temperature gap.
It is default described first to calculate the heat exchanger 120 according to the operating status of multiple air conditioners 100 by step S104
The preset standard value of the temperature gap of maximum temperature and minimum temperature in time.
Step S105 judges maximum temperature and minimum temperature of the heat exchanger 120 in first preset time
Temperature gap whether be less than the preset standard value.
In the present embodiment, the preset value includes the first preset standard value and the second preset standard value, when the sky
When device 100 being adjusted to be in refrigeration or dehumidification mode, it is default that the step S105 judges whether the temperature gap is less than described first
Standard value；When the air conditioner 100 is in heating mode, it is described that the step S105 judges whether the temperature gap is less than
Second preset standard value.
Step S106, when the temperature gap is less than the preset standard value, at the refrigerant that determines the air conditioner 100
In leak condition.
Step S107 sends an alarm signal to the air-conditioning when the refrigerant of the air conditioner 100 is in leak condition
Device 100.
Step S108 determines the air conditioner 100 when the temperature gap is greater than or equal to the preset standard value
Refrigerant is in normal condition.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of refrigerant detection device is communicated to connect with multiple air conditioners, the detection device includes processor, and feature exists
In the processor includes:
Detecting module controls the temperature sense in the air conditioner for when an air conditioner is switched on and runs, sending a control signal
Survey the temperature of heat exchanger of air conditioner described in unit detecting real-time；
Module is obtained, for obtaining the heat exchange when the time of air conditioner booting operation reaching the first preset time
Maximum temperature and minimum temperature of the device in first preset time；
Computing module, for calculating the temperature of maximum temperature and minimum temperature of the heat exchanger in first preset time
Spend difference；
The computing module is also used to calculate the heat exchanger described according to the running state data of the multiple air conditioner
The preset standard value of the temperature gap of maximum temperature and minimum temperature in first preset time；
Judgment module, for judging the temperature of maximum temperature and minimum temperature of the heat exchanger in first preset time
Whether degree difference is less than the preset standard value；And
Determining module, for determining that the refrigerant of the air conditioner is in when the temperature gap is less than the preset standard value
Leak condition.
2. refrigerant detection device as described in claim 1, which is characterized in that the detection device further include:
Alarm module, for when the refrigerant of the air conditioner is in leak condition, sending an alarm signal to the air conditioner.
3. refrigerant detection device as described in claim 1, it is characterised in that: the determining module is also used to when the temperature difference
When value is greater than or equal to the preset standard value, determine that the refrigerant of the air conditioner is in normal condition.
4. refrigerant detection device as described in claim 1, it is characterised in that: the preset standard value includes the first preset standard
Value and the second preset standard value, when the air conditioner is in refrigeration or dehumidification mode, the judgment module judges the temperature
Whether difference is less than first preset standard value；When the air conditioner is in heating mode, the judgment module judges institute
State whether temperature gap is less than second preset standard value.
5. refrigerant detection device as described in claim 1, it is characterised in that: the running state data includes the fortune of air conditioner
Row mode, indoor temperature change generated in case amount, outdoor temperature variable quantity and the heat exchanger temperature variation, the computing module
Respectively under temperature variation outside temperature variation in the different chamber when each air conditioner each run of current time and different chamber
Heat exchanger temperature variable quantity calculate average value, to obtain the preset standard value.
6. a kind of refrigerant detection method is applied to a refrigerant detection device, the detection device and multiple air conditioners are communicated to connect,
It is characterized in that, detection method includes the following steps for the refrigerant:
(a) when an air conditioner, which is switched on, to be run, it is real-time to send the temperature sensing unit that a control signal controls in the air conditioner
Detect the temperature of the heat exchanger of air conditioner；
(b) when the time of air conditioner booting operation reaching the first preset time, the heat exchanger is obtained described the
Maximum temperature and minimum temperature in one preset time；
(c) temperature gap of maximum temperature and minimum temperature of the heat exchanger in first preset time is calculated；
(d) heat exchanger is calculated in first preset time according to the running state data of the multiple air conditioner
The preset standard value of the temperature gap of maximum temperature and minimum temperature；
(e) judge maximum temperature and minimum temperature of the heat exchanger in first preset time temperature gap whether
Less than the preset standard value；And
(f) when the temperature gap is less than the preset standard value, determine that the refrigerant of the air conditioner is in leak condition.
7. refrigerant detection method as claimed in claim 6, which is characterized in that the detection method further comprises the steps of:
When the refrigerant of the air conditioner is in leak condition, an alarm signal is sent to the air conditioner.
8. refrigerant detection method as claimed in claim 6, which is characterized in that the detection method further comprises the steps of:
When the temperature gap is greater than or equal to the preset standard value, determine that the refrigerant of the air conditioner is in normal shape
State.
9. refrigerant detection method as claimed in claim 6, it is characterised in that: the preset standard value includes the first preset standard
Value and the second preset standard value, when the air conditioner is in refrigeration or dehumidification mode, the step (e) judges the temperature difference
Whether value is less than first preset standard value；When the air conditioner is in heating mode, the step (e) judges the temperature
Whether degree difference is less than second preset standard value.
10. refrigerant detection method as claimed in claim 6, it is characterised in that: the running state data includes air conditioner
Operational mode, indoor temperature change generated in case amount, outdoor temperature variable quantity and the heat exchanger temperature variation, the step
(d) it specifically includes:
Respectively to temperature change outside temperature variation in the different chamber when each air conditioner each run of current time and different chamber
Heat exchanger temperature variable quantity under amount calculates average value, to obtain the preset standard value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463708.9A CN110486886A (en) | 2018-05-15 | 2018-05-15 | Refrigerant detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463708.9A CN110486886A (en) | 2018-05-15 | 2018-05-15 | Refrigerant detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110486886A true CN110486886A (en) | 2019-11-22 |
Family
ID=68545281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810463708.9A Pending CN110486886A (en) | 2018-05-15 | 2018-05-15 | Refrigerant detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486886A (en) |
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2018
- 2018-05-15 CN CN201810463708.9A patent/CN110486886A/en active Pending
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