CN108826578A - A kind of air-conditioning end of incoming cables condenser failure storage device and condenser failure analysis method - Google Patents
A kind of air-conditioning end of incoming cables condenser failure storage device and condenser failure analysis method Download PDFInfo
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- CN108826578A CN108826578A CN201810901598.XA CN201810901598A CN108826578A CN 108826578 A CN108826578 A CN 108826578A CN 201810901598 A CN201810901598 A CN 201810901598A CN 108826578 A CN108826578 A CN 108826578A
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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
-
- 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
- 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
-
- 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
- F24F11/88—Electrical aspects, e.g. circuits
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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- Health & Medical Sciences (AREA)
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention provides a kind of air-conditioning end of incoming cables condenser failure storage device and condenser failure analysis method, air-conditioning end of incoming cables condenser failure storage devices, with the capacitance connection that air-conditioning end of incoming cables is arranged in comprising：Voltage detecting circuit, the voltage value of capacitor described in real-time detection；Data storage is connect with the voltage detecting circuit, stores the voltage value of the capacitor；The condenser failure analysis method is based on the air-conditioning end of incoming cables condenser failure storage device.In this way, pass through the voltage value of data storage storage capacitance, once there is a situation where condenser failures, so that it may the voltage value in data storage is read, and then whether can be easily determined according to voltage value is that over-voltage leads to the condenser failure；Condenser failure reason can be clearly judged in a relatively short period of time, judged conveniently, and accuracy is high.
Description
Technical field
The present invention relates to capacitance measurement technique field, in particular to a kind of air-conditioning end of incoming cables condenser failure storage device and electricity
Hold failure analysis method.
Background technique
Currently, air-conditioner outdoor unit end of incoming cables condenser failure is often fed back after sale, but the reason of failure can not determine, by week
Close investigation, it was initially believed that may be since three-phase 380V voltage is accidentally accessed power supply by commissioning staff.
But 380V access not will lead to capacitor and fail immediately, therefore, it is difficult to conclude condenser failure whether must be by
Caused by 380V voltage misconnection enters or caused condenser failure happens the problem of capacitor itself designs.This just gives normally
After-sale service and after sale analysis work belt carry out very big difficulty.
Summary of the invention
In view of this, the present invention is directed to propose a kind of air-conditioning end of incoming cables condenser failure storage device, is difficult to conclude with solution
Whether condenser failure is the problem of being caused by over-voltage.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of air-conditioning end of incoming cables condenser failure storage device, with the capacitance connection that air-conditioning end of incoming cables is arranged in comprising：
Voltage detecting circuit, the voltage value of capacitor described in real-time detection；
Data storage is connect with the voltage detecting circuit, stores the voltage value of the capacitor.
Further, data are not lost after the data storage power-off.
Further, the data storage is eeprom chip.
Further, the voltage detecting circuit includes sampling resistor and divider resistance, the sampling resistor with described point
It is in parallel with the capacitor after piezoresistance series connection.
Further, the voltage detecting circuit further includes optocoupler, input terminal and the sampling resistor of the optocoupler
Both ends connection.
Further, the resistance value of the divider resistance is greater than the resistance value of the sampling resistor.
Further, the air-conditioning end of incoming cables condenser failure storage device further includes microprocessor, the microprocessor one
End is connect with the voltage detecting circuit, and the other end is connect with the data storage.
Further, the air-conditioning end of incoming cables condenser failure storage device further includes the second current protection resistance, one end
It is connect with positive pole, the other end is connect with the SDA pin of the eeprom chip.
Further, the air-conditioning end of incoming cables condenser failure storage device further includes the first current protection resistance, one end
It is connect with positive pole, the other end is connect with the SCL pin of the eeprom chip.
Further, the eeprom chip is 24C04 chip.
Compared with the existing technology, air-conditioning end of incoming cables condenser failure storage device of the present invention has the advantage that：
(1) air-conditioning end of incoming cables condenser failure storage device of the present invention, passes through the electricity of data storage storage capacitance
Pressure value, once there is a situation where condenser failures, so that it may the voltage value in data storage is read, and then can be according to voltage value
Whether be easily determined is that over-voltage leads to the condenser failure.
Another object of the present invention is to propose a kind of condenser failure analysis method, to solve to be difficult to conclude that condenser failure is
No is the problem of being caused by over-voltage.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of condenser failure analysis method based on the air-conditioning end of incoming cables condenser failure storage device comprising：
Step a carries out voltage sample to the capacitor of end of incoming cables, obtains the voltage value；
Step b judges the size relation of the voltage value Yu voltage warning value；
Voltage data is transmitted to data storage storage when the voltage value is greater than the voltage warning value by step c
It deposits；
Step d reads the voltage data after the condenser failure from the data storage, judges the electricity
Hold failure cause.
Further, the voltage data includes at least the voltage value, the voltage value is greater than the voltage warning value
Runing time.
Further, the voltage warning value is the maximum pressure voltage of the capacitor.
Compared with the existing technology, condenser failure analysis method of the present invention has the advantage that：
Condenser failure analysis method of the present invention can clearly judge condenser failure reason in a relatively short period of time,
Judgement is convenient, and accuracy is high.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of air-conditioning end of incoming cables condenser failure storage device of the present invention；
Fig. 2 is the structure chart of air-conditioning end of incoming cables condenser failure storage device of the present invention；
Fig. 3 is the schematic diagram two of air-conditioning end of incoming cables condenser failure storage device of the present invention；
Fig. 4 is the flow chart of condenser failure analysis method of the present invention.
Description of symbols：
1- capacitor, 2- voltage detecting circuit, 3- data storage, 4- microprocessor, 5- optocoupler, R1- divider resistance, R2-
Sampling resistor, R3- third current protection resistance, R4- data voltage sampling resistor, R5- the second current protection resistance, R6- first
Current protection resistance, the 4th current protection resistance of R7-, C1- filter capacitor.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, it is the schematic diagram of air-conditioning end of incoming cables condenser failure storage device of the present invention；Wherein, institute
Air-conditioning end of incoming cables condenser failure storage device is stated, is connect with the capacitor 1 that air-conditioning end of incoming cables is arranged in, air-conditioning end of incoming cables capacitor
Failure storage device include：
Voltage detecting circuit 2, the voltage value of capacitor 1 described in real-time detection；
Data storage 3 is connect with the voltage detecting circuit 2, stores the voltage value of the capacitor 1.
In this way, pass through the voltage value of 3 storage capacitance 1 of data storage, once there is a situation where capacitors 1 to fail, so that it may
The voltage value in data storage 3 is read, and then whether can be easily determined according to voltage value is that over-voltage leads to the capacitor 1
Failure.
Embodiment 2
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment is different from place and is, described
Data are not lost after data storage 3 powers off.In this way, even if being powered off since the failure of capacitor 1 results in data storage 3, still
Voltage value can be therefrom read, and then determine whether that over-voltage leads to institute according to voltage value after the data storage 3 power-off
State the failure of capacitor 1.
Embodiment 3
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment is different from place and is, described
Data storage 3 is eeprom chip.
(Electrically Erasable Programmable read only memory, band electrically erasable can by EEPROM
Program read-only memory), it is the storage chip that data are not lost after a kind of power down.
The eeprom chip can be wiped and be reprogrammed by being higher than the effect of common voltage；It therefore, can will be newest
Capacitor 1 voltage value data storage in the chip, in chip capacity deficiency, can wipe again by way of, incited somebody to action
Issue, consequently facilitating reading data after the failure of capacitor 1, judges whether it is that over-voltage leads to the capacitor according to latest data is updated to
1 failure.
In addition, the eeprom chip is the conventional chip on existing air-conditioner outdoor unit, select the chip, then it can be existing
It is additional to add voltage detecting circuit 2 on the basis of having air-conditioner outdoor unit, it can be realized after the failure of capacitor 1 from eeprom chip
Middle reading voltage value, and then the purpose that over-voltage causes the capacitor 1 to fail is determined whether according to voltage value.This way it is not necessary to
Additionally increase excessive circuit and equipment on the basis of existing air-conditioner outdoor unit, increased structure is simple, and it is convenient to improve.
Embodiment 4
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment are different from place and are, in conjunction with
Shown in Fig. 3, the air-conditioning end of incoming cables condenser failure storage device further includes microprocessor 4, described 4 one end of microprocessor and institute
The connection of voltage detecting circuit 2 is stated, the other end is connect with the data storage/eeprom chip.In this way, can be by Wei Chu
It manages and preset program is set in device 4, to be carried out by being transmitted with the data of the voltage detecting circuit 2 to the voltage value of capacitor 1
Implement judgement, it is determined whether need to store corresponding voltage value, and the voltage value stored will be needed to be stored in the data and stored
In device 3；In this way, the judging efficiency to voltage value can be improved, it is only stored in the related voltage value of 1 failure cause of capacitor, from
And after the failure of capacitor 1, it does not need to carry out the voltage value of storage analysis comparison one by one, directly determine and related voltage
Value, and then determine the true cause that capacitor 1 fails.
Wherein, the microprocessor 4 is connect with SDA, SCL transmission line, to carry out the transmission of data.
Embodiment 5
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment are different from place and are, in conjunction with
Shown in Fig. 2, the voltage detecting circuit 2 includes sampling resistor R2, and the sampling resistor R2 is in parallel with the capacitor 1.In this way, logical
Over-sampling resistance R2 detects the voltage value of capacitor 1, and structure is simple, convenient for real on the basis of existing air-conditioner outdoor unit
It is existing.
The voltage detecting circuit 2 further includes optocoupler 5, the both ends of the input terminal of the optocoupler 5 and the sampling resistor R2
Connection；Sampling resistor R2 both end voltage equal proportion is converted by optocoupler 5, and carries out electrical isolation, to increase voltage detecting
The safety of circuit 2.
The voltage detecting circuit 2 further includes divider resistance R1, connects, is divided with the sampling resistor R2.This
Sample can greatly reduce the voltage at the both ends sampling resistor R2, so that the detection to voltage is safer, more accurately；Meanwhile it saving
Energy.
Wherein, the resistance value of the divider resistance R1 is much larger than the resistance value of the sampling resistor R2, in this way, sampling resistor R2 two
The voltage at end is much smaller than the voltage at the both ends divider resistance R1.
Wherein, the one end the sampling resistor R2 is connect with positive pole, and one end is connected with divider resistance R1, thus to described
The voltage value of capacitor 1 is detected.
As shown in connection with fig. 1, when the data storage 3 is eeprom chip, the 4th current protection resistance of sampling resistor
The connection of the wp pin of R7 and eeprom chip.In this way, current-limiting protection can be carried out.
For eeprom chip, VCC pin is connect with positive pole, GND pin ground connection；AO, A1, A2 pin exist
When needing additional functionality, connected with corresponding component；When not needing additional functionality, AO, A1, A2 pin are grounded；In this way,
It is easy to use.
In the case where the data storage 3 is eeprom chip, it is only necessary to additional setting sampling resistor R2, it can
It realizes and the real-time detection and power-fail memory function of the voltage value of capacitor 1 is stored, thus after the failure of capacitor 1, by reading voltage value
Determine 1 failure cause of capacitor, structure is simple, easy to accomplish.
The erasing of EEPROM do not need by means of other equipment, it is to modify its content, Er Qieshi with electronic signal
Using Byte as minimal modifications unit, it is not necessary to which all washing off data could be written, therefore be convenient for storing.
Wherein, the data storage 3/EEPROM chip is also parallel with filter capacitor C1, plays stabling current and filtering
Effect.
Embodiment 6
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment is different from place and is, described
Air-conditioning end of incoming cables condenser failure storage device further includes data voltage sampling resistor R4, the data voltage sampling resistor R4 series connection
On the data line being connect with the PE1 pin of the microprocessor 4.In this way, there is fluctuation in the voltage being transported on microprocessor,
It is measured by the voltage fluctuation that data voltage sampling resistor R4 connects PE1 pin, obtains corresponding data.
The air-conditioning end of incoming cables condenser failure storage device further includes the second current protection resistance R5, and one end and power supply are just
Pole connection, the other end are connect with the SDA pin of the eeprom chip.In this way, current-limiting protection can be carried out.
The air-conditioning end of incoming cables condenser failure storage device further includes third current protection resistance R3, and one end and power supply are just
Pole connection, the other end are connect with the output end of optocoupler 5/data voltage sampling resistor R4.In this way, current-limiting protection can be carried out.
In this way, the voltage at the both ends sampling resistor R2 and the voltage at 1 both ends of capacitor are special ratios relationship (tool in measurement
Body ratio is determined by the size of sampling resistor R2 and divider resistance R1)；The voltage of 5 input terminal of optocoupler and the voltage of output end are also
Special ratios (specific proportionate relationship is determined by the parameter of optic coupling element itself)；In this way, the voltage and optocoupler 5 at 1 both ends of capacitor are defeated
The voltage of outlet is directly proportional, so as to easily set up voltage (or electric signal) and 1 both ends of capacitor of 5 output end of optocoupler
Voltage corresponding relationship, and then according to the voltage of 5 output end of optocoupler (or electric signal), it is easy to determine the electricity at 1 both ends of capacitor
Pressure；
Embodiment 7
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment is different from place and is, described
Air-conditioning end of incoming cables condenser failure storage device further includes the first current protection resistance R6, and one end is connect with positive pole, another
End is connect with the SCL pin of the eeprom chip.In this way, current-limiting protection can be carried out.
Embodiment 8
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment is different from place and is, described
Sampling resistor R2 can be coiling sampling resistor, and the wire resistor is to be supported in insulation framework with high-resistance alloy line, has
Lower temperature coefficient, resistance accuracy is high, and stability is good.
Preferably, the sampling resistor R2 may be film sampling resistor, to use the method for evaporation by certain resistance
Rate material is deposited in insulating materials surface support.At low cost, performance is stablized, and Standard resistance range is wide, and temperature coefficient and voltage coefficient are low.
Preferably, the sampling resistor may be Chip-R, resistor body is Ruthenium P series glass uranium material through excessively high
Temperature is sintered, and high frequency performance is good, and precision is high, and stability is good.
Embodiment 9
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment is different from place and is, described
Voltage detecting circuit 2 is voltmeter, and input terminal is connect with the both ends of the capacitor 1, and output end and the data storage 3 connect
It connects, the voltage of the capacitor 1 is measured.In this manner it is achieved that the real-time measurement of the voltage value to capacitor 1, and then in electricity
After holding 1 failure, 1 failure cause of capacitor is determined by reading data.
Embodiment 10
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment is different from place and is, described
Eeprom chip is 24C04 chip.
24C04 chip is using the eeprom chip of ferroelectricity technology production, and data are not lost after power down.Compared to traditional
Eeprom chip has the service life long, the fast advantage of read or write speed, is easy to use.
Embodiment 11
Air-conditioning end of incoming cables condenser failure storage device as described above, the present embodiment are based on the air-conditioning end of incoming cables electricity
Hold the condenser failure analysis method of failure storage device, as shown in connection with fig. 4, the condenser failure analysis method includes：
Step a carries out voltage sample to the capacitor 1 of end of incoming cables, obtains the voltage value；
Step b judges the size relation of the voltage value Yu voltage warning value；
Voltage data is transmitted to data storage 3 and stored up by step c when the voltage value is greater than the voltage warning value
It deposits；
Step d reads the voltage data after the capacitor 1 failure from the data storage 3, described in judgement
1 failure cause of capacitor.
In this way, can clearly judge 1 failure cause of capacitor in a relatively short period of time, judge conveniently, and accuracy is high.
Wherein, the data storage 3 is eeprom chip, and after a loss of power, still there is voltage at light current end to the chip, so as to
So that chip can continue working, data will not be lost.
In addition, 1 over-voltage of capacitor can't fail immediately, voltage value is real-time detection, more than the voltage value quilt of confidence band
After main control chip (microprocessor 4) is read, it can be stored in EEPROM immediately, which will not be wiped free of.Select EEPROM core
Piece is to provide for a storage tool, the characteristics of by its power-off protection, convenient reading.
Embodiment 12
Condenser failure analysis method as described above, the present embodiment are different from place and are that the voltage data is extremely
It is greater than the runing time of the voltage warning value including the voltage value, the voltage value less.The as described voltage value and over-voltage
Time；The data and voltage failure have direct correlation, can quickly determine that 1 failure cause of capacitor (can be quick by the data
Determine whether to be the failure of capacitor 1 caused by over-voltage).
Embodiment 13
Condenser failure analysis method as described above, the present embodiment are different from place and are, the voltage warning value
For the voltage threshold of setting；In this way, can exclude to fail unrelated data with capacitor 1 by voltage threshold, to reduce needs
The voltage data of storage reduces the workload of data processing, convenient for storage and the judgement of subsequent reading data and data.
Wherein, the voltage threshold can be determines according to actual conditions.
Embodiment 14
Condenser failure analysis method as described above, the present embodiment is different from place and is, in the step d, reads
After taking the voltage data, by the voltage value in the voltage data compared with the maximum pressure voltage of the capacitor 1, described in judgement
The superpressure working time of capacitor 1 and the corresponding voltage value judge 1 failure cause of capacitor.
In this way, the data with 1 failure distributions of capacitor are filtered out by the further screening to voltage data, thus
Facilitate the judgement for carrying out failure cause.
Wherein, the maximum pressure voltage of the capacitor 1 refers to the design work voltage of capacitor 1, at this voltage the capacitor 1
Can steady operation, be possible to unable to bear this voltage more than the voltage capacitor 1 and fail.In fact, capacitor 1 do it is resistance to
Test voltage is not design voltage when pressure test, but is higher by than design voltage much, so might not be 1 liang in capacitor
After end is plus the voltage more than pressure voltage, capacitor 1 can fail at once.
Wherein, the superpressure working time of the capacitor 1 refers to that the voltage at 1 both ends of capacitor is more than holding for its maximum pressure voltage
An important factor for continuous time, this is determining 1 failure cause of capacitor.
In this way, reading the voltage value being stored in eeprom chip, this voltage value can when air-conditioning end of incoming cables capacitor 1 fails
Reflect before not failing, the voltage value at 1 both ends of capacitor, by with the maximum pressure resistance of capacitor 1 relatively, determine time of superpressure work with
Voltage analyses whether to be the failure as caused by over-voltage, so that it is determined that the failure cause of capacitor 1.
Embodiment 15
Condenser failure analysis method as described above, the present embodiment are different from place and are, the voltage warning value
For the maximum pressure voltage of the capacitor 1.In this way, the voltage value of the maximum pressure voltage more than capacitor 1 is stored directly in EEPROM
In chip/data storage 3, to directly read voltage value data after the failure of capacitor 1, which is to be more than
The voltage data of the maximum pressure voltage of capacitor 1 can directly carry out the judgement of 1 failure cause of capacitor in this way.
Embodiment 16
Condenser failure analysis method as described above, the present embodiment are different from place and are, the eeprom chip
Only play data transimission and storage function.
In this way, the sampling resistor R2 generates electric current, electric current is inputted in eeprom chip by wp pin, different electric currents
(voltage value data is not voltage value to the different voltage value datas of corresponding capacitor 1, but mediant corresponding with voltage value
According to)；The voltage value data of input is transmitted to control chip/microprocessor 4 by eeprom chip, and control chip/microprocessor 4 is logical
The voltage value data of setting and the corresponding relationship of voltage value are crossed, voltage value is converted into, so that (voltage is alert with corresponding threshold value
Indicating value) comparison after, if more than the threshold value, then corresponding voltage value data or voltage value are stored in eeprom chip, should
It is stored as storing for a long time, will not be wiped free of.After power-off, still there is voltage at light current end, and eeprom chip can still work one section
Time, during this period of time, eeprom chip the voltage value to shutdown transient capacitor 1 can be transmitted and deposited in time
Storage, avoids loss of data.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of air-conditioning end of incoming cables condenser failure storage device is connect with the capacitor (1) that air-conditioning end of incoming cables is arranged in, feature exists
In the air-conditioning end of incoming cables condenser failure storage device includes：
Voltage detecting circuit (2), the voltage value of capacitor (1) described in real-time detection；
Data storage (3) connect with the voltage detecting circuit (2), stores the voltage value of the capacitor (1).
2. air-conditioning end of incoming cables condenser failure storage device according to claim 1, which is characterized in that the data storage
(3) data are not lost after powering off.
3. air-conditioning end of incoming cables condenser failure storage device according to claim 2, which is characterized in that the data storage
It (3) is eeprom chip.
4. air-conditioning end of incoming cables condenser failure storage device according to claim 1 to 3, which is characterized in that the voltage detecting
Circuit (2) includes sampling resistor (R2) and divider resistance (R1), and the sampling resistor (R2) is connected with the divider resistance (R1)
It is in parallel with the capacitor (1) afterwards.
5. air-conditioning end of incoming cables condenser failure storage device according to claim 4, which is characterized in that the voltage detecting electricity
Road (2) further includes optocoupler (5), and the input terminal of the optocoupler (5) is connect with the both ends of the sampling resistor (R2).
6. air-conditioning end of incoming cables condenser failure storage device according to claim 4, which is characterized in that the divider resistance
(R1) resistance value is greater than the resistance value of the sampling resistor (R2).
7. air-conditioning end of incoming cables condenser failure storage device according to claim 1 to 3, which is characterized in that the sky
Transferring in line end condenser failure storage device further includes microprocessor (4), described microprocessor (4) one end and voltage detecting electricity
Road (2) connection, the other end are connect with the data storage (3).
8. a kind of condenser failure analysis side based on the air-conditioning end of incoming cables condenser failure storage device any in claim 1-7
Method, which is characterized in that including：
Step a carries out voltage sample to the capacitor (1) of end of incoming cables, obtains the voltage value；
Step b judges the size relation of the voltage value Yu voltage warning value；
Voltage data is transmitted to data storage (3) storage when the voltage value is greater than the voltage warning value by step c；
Step d reads the voltage data from the data storage (3) after the capacitor (1) failure, described in judgement
Capacitor (1) failure cause.
9. condenser failure analysis method according to claim 8, which is characterized in that the voltage data includes at least described
Voltage value, the voltage value are greater than the runing time of the voltage warning value.
10. condenser failure analysis method according to claim 8, which is characterized in that the voltage warning value is the electricity
Hold the maximum pressure voltage of (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901598.XA CN108826578A (en) | 2018-08-09 | 2018-08-09 | A kind of air-conditioning end of incoming cables condenser failure storage device and condenser failure analysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901598.XA CN108826578A (en) | 2018-08-09 | 2018-08-09 | A kind of air-conditioning end of incoming cables condenser failure storage device and condenser failure analysis method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108826578A true CN108826578A (en) | 2018-11-16 |
Family
ID=64152851
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810901598.XA Withdrawn CN108826578A (en) | 2018-08-09 | 2018-08-09 | A kind of air-conditioning end of incoming cables condenser failure storage device and condenser failure analysis method |
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| Country | Link |
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| CN (1) | CN108826578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244885A (en) * | 2020-01-19 | 2020-06-05 | 广东美的制冷设备有限公司 | Control circuit, control method, air conditioner, and computer-readable storage medium |
-
2018
- 2018-08-09 CN CN201810901598.XA patent/CN108826578A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244885A (en) * | 2020-01-19 | 2020-06-05 | 广东美的制冷设备有限公司 | Control circuit, control method, air conditioner, and computer-readable storage medium |
| CN111244885B (en) * | 2020-01-19 | 2022-07-29 | 广东美的制冷设备有限公司 | Control circuit, control method, air conditioner, and computer-readable storage medium |
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Application publication date: 20181116 |