CN104654530B - Method for detecting falling of exhaust temperature sensing bulb of outdoor unit and air conditioner control method - Google Patents
Method for detecting falling of exhaust temperature sensing bulb of outdoor unit and air conditioner control method Download PDFInfo
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- CN104654530B CN104654530B CN201510073049.4A CN201510073049A CN104654530B CN 104654530 B CN104654530 B CN 104654530B CN 201510073049 A CN201510073049 A CN 201510073049A CN 104654530 B CN104654530 B CN 104654530B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000004378 air conditioning Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010977 unit operation 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an outer machine exhaust temperature sensing bulb falling detection method and an air conditioner control method. The method for detecting the falling of the exhaust temperature sensing bulb of the outdoor unit comprises the following steps: step S1: detecting an initial exhaust temperature T0; step S2: adjusting the compressor to a first preset frequency f1, and operating the compressor for a first preset time t1 according to the first preset frequency f 1; and detecting a first exhaust temperature T1 after operating at a first preset frequency f1 for a first preset time T1; step S3: comparing the exhaust temperature rise T1-T0 with a first preset difference d 1; step S4: if T1-T0 is not less than d1, the thermal bulb is judged not to fall off. According to the invention, the difference value between the first exhaust temperature T1 and the initial exhaust temperature T0 after the air conditioner operates for the first preset time T1 according to the first preset frequency f1 is compared with the first preset difference value d1, and whether the temperature sensing bulb falls off or not is judged according to the comparison result, so that the judgment accuracy is effectively improved, and the operation reliability of the air conditioner is ensured.
Description
Technical field
The present invention relates to airconditioning control field, in particular to a kind of outer machine be vented temperature-sensitive bag dropping detection method and
Air conditioning control method.
Background technology
Temperature-sensitive bag be using thermistor as raw material, through adding lead sleeve pipe, press against the processes such as terminal processing post-processing and
Into whether prior art is simply opened a way to temperature-sensitive bag or short circuit is detected, common detection methods：Outdoor discharge temperature temperature-sensitive bag
It is exactly that after being opened f minutes by compressor, n seconds temperature-sensitive bags of continuous detection are in open circuit or short circuit is determined as temperature-sensitive bag failure,
Failure is shown afterwards.
However, very possible generation temperature-sensitive bag comes off in transportation, temperature-sensitive bag, which comes off, directly influences the control of unit
Accuracy processed, more results even in the erroneous judgement of unit, thus needs to provide a kind of method whether reliable detection temperature-sensitive bag comes off,
Maintenance personal's maintenance time can be saved, it is ensured that reliability during unit operation.
The content of the invention
The present invention is intended to provide a kind of outer machine exhaust temperature-sensitive bag dropping detection method for improving reliability and airconditioning control side
Method.
The invention provides a kind of outer machine exhaust temperature-sensitive bag dropping detection method, this method includes：Step S1：Detection is initial
Delivery temperature T0；Step S2：Compressor is adjusted to the first predeterminated frequency f1, and it is pre- according to the first predeterminated frequency f1 operations first
If time t1；And detect according to the first exhaust temperature T1 after the first predeterminated frequency f1 the first preset time ts 1 of operation；Step S3：
Delivery temperature appreciation T1-T0 and the first preset difference value d1 is contrasted；Step S4：If T1-T0 >=d1, judge that temperature-sensitive bag does not have
Come off.
Further, this method also includes：Step S5：If T1-T0 ＜ d1, detection is run according to the first predeterminated frequency f1
Condenser tube temperature Ta after first preset time t 1；Step S6：By condenser tube temperature Ta and first exhaust temperature T1 difference Ta-
T1 and the second preset difference value da is contrasted；Step S7：If Ta-T1 ＜ da, judge that temperature-sensitive bag does not come off.
Further, this method also includes：Step S8：If Ta-T1 >=da, adjustment compressor to the second predeterminated frequency
F2, and run the second preset time t 2 according to the second predeterminated frequency f2；And detect pre- according to the second predeterminated frequency f2 operations second
If the second exhaust temperature T2 after time t2；Step S9：Delivery temperature appreciation T2-T0 and the 3rd preset difference value d2 is contrasted；Step
Rapid S10：If T2-T0 >=d2, judge that temperature-sensitive bag does not come off.
Further, this method also includes：Step S11：If T2-T0 ＜ d2, detection is transported according to the second predeterminated frequency f2
Condenser tube temperature Tb after the second preset time t of row 2；Step S12：By condenser tube temperature Tb and second exhaust temperature T2 difference
Tb-T2 and the 4th preset difference value db is contrasted；Step S13：If Tb-T2 ＜ db, judge that temperature-sensitive bag does not come off；If Tb-
T2 >=db, judges that temperature-sensitive bag comes off, and alarm.
Further, the scope of the first preset time t 1 and the second preset time t 2 is 3min to 5min.
Further, the first preset difference value d1, the 3rd preset difference value d2, the second preset difference value da and the 4th preset difference value db
Scope be 2 DEG C to 6 DEG C.
Further, the first predeterminated frequency f1 and the second predeterminated frequency f2 scope are 30HZ to 80HZ.
Further, this method also includes：If operating in refrigeration mode, condenser tube temperature Tb is outdoor unit heat exchanger
The temperature of white temperature-sensitive bag；If operating in heating mode, condenser tube temperature Tb is the temperature of the temperature-sensitive bag on indoor set heat exchanger.
Further, this method also includes：Before step S2, if compressor is standby or power-up state first,
Make after compressor operating pre-set buffer time t0, start to perform step S2；If compressor is in running status, step is directly performed
Rapid S2.
Present invention also offers a kind of air conditioning control method, be included in air-conditioning first upper electricity when, foregoing outer of automatic running
Machine is vented temperature-sensitive bag dropping detection method.
Further, foregoing outer machine is started using force start device and is vented temperature-sensitive bag dropping detection method.
According to the outer machine of present invention exhaust temperature-sensitive bag dropping detection method and air conditioning control method, by will be pre- according to first
If it is pre- that frequency f1 runs first exhaust temperature T1 and initial delivery temperature T0 difference and first after the first preset time t 1
If difference d1 is contrasted, and judges whether temperature-sensitive bag comes off according to comparing result, judgment accuracy can be effectively improved, it is ensured that air-conditioning
Operational reliability, while being also convenient for failure judgement position, facility is provided for maintenance.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the principle schematic that temperature-sensitive bag dropping detection method is vented according to the outer machine of the present invention；
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, being vented temperature-sensitive bag dropping detection method according to the outer machine of the present invention, this method includes：Step S1：Inspection
Survey initial delivery temperature T0；Step S2：Compressor is adjusted to the first predeterminated frequency f1, and run according to the first predeterminated frequency f1
First preset time t 1；And detect according to the first exhaust temperature T1 after the first predeterminated frequency f1 the first preset time ts 1 of operation；
Step S3：Delivery temperature appreciation T1-T0 and the first preset difference value d1 is contrasted；Step S4：If T1-T0 >=d1, sense is judged
Thermometer bulb does not come off.The present invention is by will run the first exhaust temperature after the first preset time t 1 according to the first predeterminated frequency f1
T1 and initial delivery temperature T0 difference is contrasted with the first preset difference value d1, and judges that outer machine is vented temperature-sensitive according to comparing result
Whether bag comes off, and can effectively improve judgment accuracy, it is ensured that operation of air conditioner reliability, while failure judgement position is also convenient for,
Facility is provided for maintenance.
With reference to shown in Fig. 1, if T1-T0 ＜ d1, it is possible to be due to caused by temperature-sensitive bag comes off, in order to further true
Fixed, outer machine exhaust temperature-sensitive bag dropping detection method of the invention also includes：Step S5：If T1-T0 ＜ d1, detect according to first
Predeterminated frequency f1 runs the condenser tube temperature Ta after the first preset time t 1；Step S6：By condenser tube temperature Ta and first exhaust
Temperature T1 difference Ta-T1 and the second preset difference value da is contrasted；Step S7：If Ta-T1 ＜ da, judge that temperature-sensitive bag does not take off
Fall.Delivery temperature is judged whether temperature-sensitive bag comes off with the contrast of pipe temperature., can be preliminary as T1-T0 ＜ d1 and Ta-T1 >=da
Judge that temperature-sensitive bag comes off.
In order to further improve reliability, compressor is adjusted to the second predeterminated frequency f2, sentenced again according to the above method
Break once, judged by the repetition of different frequency twice, so as to ensure the accuracy of judged result.Specifically, it is of the invention outer
Machine exhaust temperature-sensitive bag dropping detection method also includes：Step S8：If Ta-T1 >=da, adjustment compressor to the second predeterminated frequency
F2, and run the second preset time t 2 according to the second predeterminated frequency f2；And detect pre- according to the second predeterminated frequency f2 operations second
If the second exhaust temperature T2 after time t2；Step S9：Delivery temperature appreciation T2-T0 and the 3rd preset difference value d2 is contrasted；Step
Rapid S10：If T2-T0 >=d2, judge that temperature-sensitive bag does not come off.
Further, outer machine of the invention exhaust temperature-sensitive bag dropping detection method also includes：Step S11：If T2-T0 ＜
D2, detects and the condenser tube temperature Tb after the second preset time t 2 is run according to the second predeterminated frequency f2；Step S12：By condenser
Pipe temperature Tb and second exhaust temperature T2 difference Tb-T2 and the 4th preset difference value db is contrasted；Step S13：If Tb-T2 ＜ db,
Then judge that temperature-sensitive bag does not come off；If Tb-T2 >=db, judge that temperature-sensitive bag comes off, and alarm.Namely only when T1-T0 ＜ d1,
Ta-T1 >=da, T2-T0 ＜ d2 and Tb-T2 >=db are met simultaneously when, just judge that outer machine exhaust temperature-sensitive bag comes off, otherwise not
It is judged as delivery temperature temperature-sensitive bag release failure.When being judged as outer machine exhaust temperature-sensitive bag release failure, sound, lamp can be used
Light, or show that the modes such as specific code are alarmed.Usually, outer mainboard shows that the failure of outdoor discharge temperature temperature-sensitive bag (does not have
Have grafting in place) failure, interior machine display P failure codes are, it is necessary to shut down processing, and could recover by remote control ON/OFF.
Usually, according to different type or operating mode, the scope of the first preset time t 1 and the second preset time t 2 is
3min to 5min；First preset difference value d1, the 3rd preset difference value d2, the second preset difference value da and the 4th preset difference value db scope
For 2 DEG C to 6 DEG C；First predeterminated frequency f1 and the second predeterminated frequency f2 scope are 30HZ to 80HZ.Above range is empirical value,
According to different type of machines, verified by testing, more specifically scope can be set, effect is accurately controlled to reach.
It should be noted that in the present invention, if operating in refrigeration mode, condenser tube temperature Tb is outdoor unit heat exchanger
The temperature of defrost temperature-sensitive bag；If operating in heating mode, condenser tube temperature Tb is the temperature of the temperature-sensitive bag on indoor set heat exchanger
Degree.
Further, since starting up initial stage, compressor operating state fluctuation is larger, in order to avoid interference, of the invention is outer
Machine exhaust temperature-sensitive bag dropping detection method also includes：Before step S2, if compressor is standby or power-up state first,
Make after compressor operating pre-set buffer time t0, then start to perform step S2, that is, after starting shooting, make the buffering of compressor operating necessarily
Time t0, after making compressor operating stable, then starts to adjust frequency, and detects corresponding temperature, so as to improve reliability.If
Compressor is in running status, and due to compressor, normal table is run, thus can directly perform step S2, starts adjustment
Frequency, and detect corresponding temperature.
Present invention also offers a kind of air conditioning control method, in order to ensure outer machine exhaust temperature-sensitive does not have in transportation
Have and come off, when first powering on operation, the foregoing outer machine exhaust temperature-sensitive bag dropping detection method of automatic.First powered on non-
During operation, foregoing outer machine can also be started by corresponding force start device and be vented temperature-sensitive bag dropping detection method, so that
Easy-to-look-up failure and maintenance.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
According to the outer machine of present invention exhaust temperature-sensitive bag dropping detection method and air conditioning control method, by will be pre- according to first
If it is pre- that frequency f1 runs first exhaust temperature T1 and initial delivery temperature T0 difference and first after the first preset time t 1
If difference d1 is contrasted, and judges whether temperature-sensitive bag comes off according to comparing result, judgment accuracy can be effectively improved, it is ensured that air-conditioning
Operational reliability, while being also convenient for failure judgement position, facility is provided for maintenance.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of outer machine exhaust temperature-sensitive bag dropping detection method, it is characterised in that methods described includes：
Step S1：The initial delivery temperature T0 of detection；
Step S2：When adjusting compressor to the first predeterminated frequency f1, and being preset according to the first predeterminated frequency f1 operations first
Between t1；And detect according to the first exhaust temperature T1 after the first predeterminated frequency f1 the first preset time ts 1 of operation；
Step S3：Delivery temperature appreciation T1-T0 and the first preset difference value d1 is contrasted；
Step S4：If T1-T0 >=d1, judge that temperature-sensitive bag does not come off；
Step S5：If T1-T0 ＜ d1, detect and the condensation after the first preset time t 1 is run according to the first predeterminated frequency f1
Device pipe temperature Ta；
Step S6：Condenser tube temperature Ta and first exhaust temperature T1 difference Ta-T1 and the second preset difference value da are contrasted；
Step S7：If Ta-T1 ＜ da, judge that temperature-sensitive bag does not come off.
2. outer machine exhaust temperature-sensitive bag dropping detection method according to claim 1, it is characterised in that methods described is also wrapped
Include：
Step S8：If Ta-T1 >=da, compressor is adjusted to the second predeterminated frequency f2, and according to the second predeterminated frequency f2
Run the second preset time t 2；And detect according to the second exhaust after the second predeterminated frequency f2 the second preset time ts 2 of operation
Temperature T2；
Step S9：Delivery temperature appreciation T2-T0 and the 3rd preset difference value d2 is contrasted；
Step S10：If T2-T0 >=d2, judge that temperature-sensitive bag does not come off.
3. outer machine exhaust temperature-sensitive bag dropping detection method according to claim 2, it is characterised in that methods described is also wrapped
Include：
Step S11：If T2-T0 ＜ d2, detect according to cold after the second predeterminated frequency f2 the second preset time ts 2 of operation
Condenser pipe temperature Tb；
Step S12：Condenser tube temperature Tb and second exhaust temperature T2 difference Tb-T2 and the 4th preset difference value db are contrasted；
Step S13：If Tb-T2 ＜ db, judge that temperature-sensitive bag does not come off；If Tb-T2 >=db, judge that temperature-sensitive bag comes off,
And alarm.
4. outer machine exhaust temperature-sensitive bag dropping detection method according to claim 3, it is characterised in that
The scope of first preset time t 1 and second preset time t 2 is 3min to 5min.
5. outer machine exhaust temperature-sensitive bag dropping detection method according to claim 3, it is characterised in that
First preset difference value d1, the 3rd preset difference value d2, the second preset difference value da and the 4th preset difference value db scope for 2 DEG C extremely
6℃。
6. outer machine exhaust temperature-sensitive bag dropping detection method according to claim 3, it is characterised in that
First predeterminated frequency f1 and the second predeterminated frequency f2 scope are 30HZ to 80HZ.
7. outer machine exhaust temperature-sensitive bag dropping detection method according to claim 3, it is characterised in that methods described is also wrapped
Include：
If operating in refrigeration mode, condenser tube temperature Tb is the temperature of outdoor unit heat exchanger defrost temperature-sensitive bag；
If operating in heating mode, condenser tube temperature Tb is the temperature of the temperature-sensitive bag on indoor set heat exchanger.
8. outer machine exhaust temperature-sensitive bag dropping detection method according to claim 1, it is characterised in that methods described is also wrapped
Include：Before the step S2, if the compressor is standby or power-up state first, preset the compressor operating
After buffer time t0, start to perform step S2；
If the compressor is in running status, the step S2 is directly performed.
9. a kind of air conditioning control method, it is characterised in that be included in air-conditioning first upper electricity when, in automatic running claim 1 to 8
Any one outer machine exhaust temperature-sensitive bag dropping detection method.
10. air conditioning control method according to claim 9, it is characterised in that also include：Started using force start device and weighed
Profit requires outer machine exhaust temperature-sensitive bag dropping detection method any one of 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073049.4A CN104654530B (en) | 2015-02-10 | 2015-02-10 | Method for detecting falling of exhaust temperature sensing bulb of outdoor unit and air conditioner control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510073049.4A CN104654530B (en) | 2015-02-10 | 2015-02-10 | Method for detecting falling of exhaust temperature sensing bulb of outdoor unit and air conditioner control method |
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| CN104654530A CN104654530A (en) | 2015-05-27 |
| CN104654530B true CN104654530B (en) | 2017-07-11 |
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| CN103424211A (en) * | 2012-05-17 | 2013-12-04 | 珠海格力电器股份有限公司 | Detection method and detection device for compressor thermal bulb and outdoor unit |
| CN104166066A (en) * | 2014-06-30 | 2014-11-26 | 珠海格力电器股份有限公司 | Air conditioner temperature sensing bulb misconnection detection method and device and air conditioner |
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