CN208487746U - A kind of air-conditioning fault pre-alarming and fault locator - Google Patents
A kind of air-conditioning fault pre-alarming and fault locator Download PDFInfo
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- CN208487746U CN208487746U CN201820725084.9U CN201820725084U CN208487746U CN 208487746 U CN208487746 U CN 208487746U CN 201820725084 U CN201820725084 U CN 201820725084U CN 208487746 U CN208487746 U CN 208487746U
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- condenser
- air
- pressure sensor
- conditioning
- evaporator
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Abstract
The utility model discloses a kind of air-conditioning fault pre-alarming and fault locators, including condenser, micro-pressure sensor and second pressure sensor, the outside condenser is equipped with outdoor fan, liquid storage device is provided on the right side of the condenser, heating power expansion valve is provided on the right side of the filter, the heating power expansion valve lower right-hand side is provided with evaporator, indoor fan is installed on the outside of the evaporator, 5th temperature sensor is installed at the coil pipe on the evaporator, liquid outlet on the compressor is connected by condensate line with the inlet on condenser, and second pressure sensor is installed on the condensate line between compressor and condenser, micro-pressure sensor is parallel at condensate line position where the condenser.The problem of the utility model solves can not being monitored in real time for air-conditioning whole system by setting condenser, micro-pressure sensor and second pressure sensor, cannot carry out early warning or fault location to air-conditioning failure.
Description
Technical field
The utility model relates to a kind of air-conditioning protection technique field, specially a kind of air-conditioning fault pre-alarming and fault location dress
It sets.
Background technique
At present in air-conditioning routine use, there may be potential hidden danger and without failure, such as traditional air-conditioning uses pressure
Switch carries out refrigeration system protection, and when pressure switch alarm, air-conditioning can not work normally.The biography of single fault detection simultaneously
There is exception in some parameter that sensor is only capable of feedback user air-conditioning, and specific fault location needs professional person check and could determine
Position, air-conditioning may be because long-time failure can not rule out and can not normal use, rhythm be getting faster it is information-based fight,
Traditional fault detection is unable to satisfy the MTBF(Mean Time To Repair of new demand).
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of air-conditioning fault pre-alarming and fault locator, solution
The problem of air-conditioning whole system of having determined can not be monitored in real time, cannot carry out early warning or fault location to air-conditioning failure.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of air-conditioning fault pre-alarming and fault location
Device, including condenser, micro-pressure sensor and second pressure sensor, the outside condenser are equipped with outdoor fan, institute
It states and is provided with liquid storage device on the right side of condenser, the liquid outlet of the condenser passes through condensate line and the inlet phase on the left of liquid storage device
Even, be provided with filter on the right side of the liquid storage device, the liquid outlet on the liquid storage device by condensate line and filter into
Liquid mouth is connected, and is provided with heating power expansion valve on the right side of the filter, and the liquid outlet on the filter passes through condensate line and heat
Inlet on power expansion valve is connected, and the heating power expansion valve lower right-hand side is provided with evaporator, on the heating power expansion valve
Liquid outlet is connected by condensate line with the inlet on evaporator, is equipped with indoor fan, the steaming on the outside of the evaporator
The 5th temperature sensor is installed at coil pipe on hair device, is provided with compressor below the condenser, on the compressor
Liquid outlet is connected by condensate line with the inlet on condenser, and is installed on the condensate line between compressor and condenser
There is second pressure sensor, micro-pressure sensor, the compressor are parallel at the condensate line position where the condenser
On inlet be connected with the liquid outlet on evaporator by condensate line, and on the condensate line between compressor and evaporator
First pressure sensor is installed.
Preferably, the wind outlet above the condenser is provided with second temperature sensor, below the condenser into
The first temperature sensor is provided at wind.
Preferably, the wind outlet on the right side of the evaporator is provided with the 4th temperature sensor, on the left of the evaporator into
Third temperature sensor is installed at wind.
Preferably, first temperature sensor, second temperature sensor, third temperature sensor, the 4th temperature sensing
Input terminal of the output end of device and the 5th temperature sensor with Analog input mModule in the controller on air-conditioning electrically connects
It connects.
Preferably, the first pressure sensor, the output end on second pressure sensor with the controller on air-conditioning
The input terminal of interior Analog input mModule is electrically connected, number in the controller on the micro-pressure sensor output end and air-conditioning
The input terminal for measuring input module is electrically connected.
(3) beneficial effect
The utility model provides a kind of air-conditioning fault pre-alarming and fault locator, have it is following the utility model has the advantages that
(1) the utility model passes through the first temperature sensor of setting, second temperature sensor, third temperature sensor, the
Four temperature sensors, the 5th temperature sensor and first pressure sensor, second pressure sensor, micro-pressure sensor, can
The parameters such as pressure, temperature of each point under air-conditioning normal operating conditions are acquired, first pressure sensor detects the side pressure of compressor low pressure
Power, second pressure sensor detect compressor high side pressure, the first temperature sensor detection condensation inlet air temperature, second temperature
Sensor detection condensation leaving air temp, third temperature sensor detection evaporation inlet air temperature, the detection evaporation of the 4th temperature sensor
Leaving air temp, the 5th temperature sensor detect evaporative coil temperature, and micro-pressure sensor detects condenser both ends pressure difference.
(2) the normal work of air-conditioning can be calculated by recording each sensor detection numerical value in the utility model air-conditioner controller
Make parameter value, the parameter value of air-conditioning in extreme circumstances under state, and on this basis to early warning fault parameter region and event
Barrier parameter region is set.
(3) when each sensor parameters of the utility model enter early-warning parameters region, controller can carry out fault pre-alarming, the
System is carried out when one pressure sensor detection system pressure is relatively low and lacks refrigerant early warning, and user is prompted to carry out supplement refrigeration in advance
Agent operation；Micro-pressure sensor detects condenser both ends pressure difference, prompts user's condenser dirty stifled when pressure difference is too low, cleaning condensation
Device.
(3) the utility model can be combined by the parametic fault of multiple sensors, can further be positioned to failure,
When air conditioner refrigerating exception, it can be passed according to first pressure sensor, second pressure sensor and the first temperature sensor, second temperature
The parameter of sensor, judges compressor fault；It, can be according to third temperature sensor, the 4th temperature sensor when air conditioner refrigerating exception
Parameter, judge evaporation fan failure；When air conditioner refrigerating exception, can according to second pressure sensor and the first temperature sensor,
The parameter of second temperature sensor judges condensation fan failure；When air conditioner refrigerating exception, according to the ginseng of first pressure sensor
Number, it can be determined that system refrigerant leakage；When air conditioner refrigerating exception, according to the parameter of second pressure sensor, it can be determined that be
The blocking of system high-pressure side；When air conditioner refrigerating exception, according to the parameter of the 5th temperature sensor, it can be determined that evaporimeter frosting.
Detailed description of the invention
Fig. 1 is the controller and sensor connection figure of the utility model；
Fig. 2 is the layout drawing of the sensor of the utility model.
In figure: 1 outdoor fan, 2 second temperature sensors, 3 condensers, 4 condensate lines, 5 liquid storage devices, 6 filters, 7 heat
Power expansion valve, 8 third temperature sensors, 9 first temperature sensors, 10 micro-pressure sensors, 11 second pressure sensors, 12 pressures
Contracting machine, 13 first pressure sensors, 14 the 5th temperature sensors, 15 indoor fans, 16 the 4th temperature sensors, 17 evaporators.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of air-conditioning fault pre-alarming and fault location dress
It sets, including condenser 3, micro-pressure sensor 10 and second pressure sensor 11, outdoor fan 1 is installed on the outside of condenser 3, it is cold
The wind outlet of 3 top of condenser is provided with second temperature sensor 2, the detection condensation leaving air temp of second temperature sensor 2, condenser
The air inlet of 3 lower sections is provided with the first temperature sensor 9, the first temperature sensor 9 detection condensation inlet air temperature, 3 right side of condenser
Side is provided with liquid storage device 5, and the liquid outlet of condenser 3 is connected by condensate line 4 with the inlet in 5 left side of liquid storage device, liquid storage device 5
Right side is provided with filter 6, and the liquid outlet on liquid storage device 5 is connected by condensate line 4 with the inlet on filter 6, filters
Heating power expansion valve 7 is provided on the right side of device 6, the liquid outlet on filter 6 passes through the feed liquor on condensate line 4 and heating power expansion valve 7
Mouthful be connected, 7 lower right-hand side of heating power expansion valve is provided with evaporator 17, the liquid outlet on heating power expansion valve 7 by condensate line 4 with
Inlet on evaporator 17 is connected, and indoor fan 15, the wind outlet setting on 17 right side of evaporator are equipped on the outside of evaporator 17
There are the 4th temperature sensor 16, the 4th temperature sensor 16 detection evaporation leaving air temp, the air inlet installation in 17 left side of evaporator
There is a third temperature sensor 8, the detection evaporation inlet air temperature of third temperature sensor 8 is equipped with the at the coil pipe on evaporator 17
Five temperature sensors 14, the 5th temperature sensor 14 detect 17 coil temperature of evaporator, are provided with compressor below condenser 3
12, the liquid outlet on compressor 12 is connected by condensate line 4 with the inlet on condenser 3, and compressor 12 and condenser 3
Between condensate line 4 on second pressure sensor 11 is installed, second pressure sensor 11 detects 12 high pressure side pressure of compressor
Power is parallel with micro-pressure sensor 10 at 4 position of condensate line where condenser 3, and micro-pressure sensor 10 detects condenser 3
Both ends pressure difference, the inlet on compressor 12 are connected by condensate line 4 with the liquid outlet on evaporator 17, and compressor 12 and
First pressure sensor 13 is installed, first pressure sensor 13 detects compressor 12 on the condensate line 4 between evaporator 17
Low-pressure lateral pressure, the first temperature sensor 9, second temperature sensor 2, third temperature sensor 8, the 4th temperature sensor 16 with
And the 5th temperature sensor 14 output end in the controller on air-conditioning Analog input mModule input terminal be electrically connected,
Output end in first pressure sensor 13, second pressure sensor 11 with Analog input mModule in the controller on air-conditioning
Input terminal be electrically connected, the input terminal of digital quantity input module in the controller on 10 output end of micro-pressure sensor and air-conditioning
It is electrically connected, the parameter value under controller record air-conditioning normal operating conditions on air-conditioning, and by the way that air-conditioning is calculated in pole
Parameter value under end ring border, and early warning fault parameter region and fault parameter region are set on this basis.
In use, the first temperature sensor 9, second temperature sensor 2, third temperature sensor 8, the 4th temperature sensor
16, the 5th temperature sensor 14 and first pressure sensor 13, second pressure sensor 11, micro-pressure sensor 10 first acquire
The parameters such as pressure, temperature of each point under air-conditioning normal operating conditions, first pressure sensor 13 detect 12 low pressure side pressure of compressor
Power, second pressure sensor 11 detect 12 high side pressure of compressor, and the first temperature sensor 9 detects 3 inlet air temperature of condenser,
Second temperature sensor 2 detects 3 leaving air temp of condenser, and third temperature sensor 8 detects 17 inlet air temperature of evaporator, the 4th temperature
It spends sensor 16 and detects 17 leaving air temp of evaporator, the 5th temperature sensor 14 detects 17 coil temperature of evaporator, and micro-pressure-difference passes
Sensor 10 detects 3 both ends pressure difference of condenser, the parameter value under controller record air-conditioning normal operating conditions on air-conditioning, and passes through
The parameter value of air-conditioning in extreme circumstances is calculated, and on this basis to early warning fault parameter region and fault parameter region
It is set, when each sensor parameters enter early-warning parameters region, controller carries out fault pre-alarming, first pressure sensor 13
System is carried out when detection system pressure is relatively low and lacks refrigerant early warning, and user is prompted to carry out supplement refrigerant operation in advance；Minute-pressure
Gap sensor 10 detects 3 both ends pressure difference of condenser, prompts user's condenser 3 dirty stifled when pressure difference is too low, cleans condenser 13, pass through
The parametic faults of multiple sensors combines, and can further be positioned to failure, when air conditioner refrigerating exception, according to first pressure
The parameter of sensor 13, second pressure sensor 11 and the first temperature sensor 9, second temperature sensor 2, judges compressor 12
Failure；When air conditioner refrigerating exception, according to the parameter of third temperature sensor 8, the 4th temperature sensor 16, indoor fan 15 is judged
Failure；When air conditioner refrigerating exception, according to the ginseng of second pressure sensor 11 and the first temperature sensor 9, second temperature sensor 2
Number, judges 1 failure of outdoor fan；When air conditioner refrigerating exception, according to the parameter of first pressure sensor 13, it can be determined that system system
Cryogen leakage；When air conditioner refrigerating exception, according to the parameter of second pressure sensor 11, it can be determined that the blocking of system high pressure side；It is empty
When modulating cold exception, according to the parameter of the 5th temperature sensor 14, it can be determined that 17 frosting of evaporator.
It can to sum up obtain, the utility model passes through setting condenser 3, micro-pressure sensor 10 and second pressure sensor 11,
The problem of solving can not being monitored in real time for air-conditioning whole system, early warning or fault location cannot being carried out to air-conditioning failure.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of air-conditioning fault pre-alarming and fault locator, including condenser (3), micro-pressure sensor (10) and second pressure
Sensor (11), it is characterised in that: be equipped with outdoor fan (1) on the outside of the condenser (3), set on the right side of the condenser (3)
It is equipped with liquid storage device (5), the liquid outlet of the condenser (3) passes through condensate line (4) and the inlet phase on the left of liquid storage device (5)
Even, be provided with filter (6) on the right side of the liquid storage device (5), the liquid outlet on the liquid storage device (5) by condensate line (4) with
Inlet on filter (6) is connected, and is provided with heating power expansion valve (7) on the right side of the filter (6), on the filter (6)
Liquid outlet be connected with the inlet on heating power expansion valve (7) by condensate line (4), under heating power expansion valve (7) right side
Side is provided with evaporator (17), and the liquid outlet on the heating power expansion valve (7) passes through on condensate line (4) and evaporator (17)
Inlet is connected, and is equipped with indoor fan (15) on the outside of the evaporator (17), installs at the coil pipe on the evaporator (17)
There is the 5th temperature sensor (14), be provided with compressor (12) below the condenser (3), goes out liquid on the compressor (12)
Mouth is connected by condensate line (4) with the inlet on condenser (3), and the condensation between compressor (12) and condenser (3)
It is equipped in liquid pipe (4) second pressure sensor (11), is parallel at condensate line (4) position where the condenser (3)
Micro-pressure sensor (10), the inlet on the compressor (12) is by going out liquid on condensate line (4) and evaporator (17)
Mouth is connected, and is equipped with first pressure sensor (13) on the condensate line (4) between compressor (12) and evaporator (17).
2. a kind of air-conditioning fault pre-alarming according to claim 1 and fault locator, it is characterised in that: the condenser
(3) wind outlet above is provided with second temperature sensor (2), and the air inlet below the condenser (3) is provided with the first temperature
It spends sensor (9).
3. a kind of air-conditioning fault pre-alarming according to claim 1 and fault locator, it is characterised in that: the evaporator
(17) wind outlet on the right side of is provided with the 4th temperature sensor (16), and the air inlet on the left of the evaporator (17) is equipped with third
Temperature sensor (8).
4. a kind of air-conditioning fault pre-alarming according to claim 2 and fault locator, it is characterised in that: first temperature
Spend sensor (9), second temperature sensor (2), third temperature sensor (8), the 4th temperature sensor (16) and the 5th temperature
The output end for spending sensor (14) is electrically connected with the input terminal of Analog input mModule in the controller on air-conditioning.
5. a kind of air-conditioning fault pre-alarming according to claim 1 and fault locator, it is characterised in that: first pressure
Output end on force snesor (13), second pressure sensor (11) with Analog input mModule in the controller on air-conditioning
Input terminal be electrically connected, micro-pressure sensor (10) output end in the controller on air-conditioning digital quantity input module it is defeated
Enter end to be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820725084.9U CN208487746U (en) | 2018-05-16 | 2018-05-16 | A kind of air-conditioning fault pre-alarming and fault locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820725084.9U CN208487746U (en) | 2018-05-16 | 2018-05-16 | A kind of air-conditioning fault pre-alarming and fault locator |
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| Publication Number | Publication Date |
|---|---|
| CN208487746U true CN208487746U (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820725084.9U Expired - Fee Related CN208487746U (en) | 2018-05-16 | 2018-05-16 | A kind of air-conditioning fault pre-alarming and fault locator |
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| Country | Link |
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| CN (1) | CN208487746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006150A (en) * | 2019-03-25 | 2019-07-12 | 青岛海尔空调电子有限公司 | The method, apparatus of the outdoor fan fault detection of air-conditioning, air-conditioning |
-
2018
- 2018-05-16 CN CN201820725084.9U patent/CN208487746U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006150A (en) * | 2019-03-25 | 2019-07-12 | 青岛海尔空调电子有限公司 | The method, apparatus of the outdoor fan fault detection of air-conditioning, air-conditioning |
| CN110006150B (en) * | 2019-03-25 | 2021-11-02 | 青岛海尔空调电子有限公司 | Method and device for detecting fault of outdoor fan of air conditioner and air conditioner |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |