CN107085163A - A kind of single-phase air conditioning wiring detection method and system - Google Patents
A kind of single-phase air conditioning wiring detection method and system Download PDFInfo
- Publication number
- CN107085163A CN107085163A CN201710330232.7A CN201710330232A CN107085163A CN 107085163 A CN107085163 A CN 107085163A CN 201710330232 A CN201710330232 A CN 201710330232A CN 107085163 A CN107085163 A CN 107085163A
- Authority
- CN
- China
- Prior art keywords
- conditioning
- phase air
- wiring
- voltage readings
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of single-phase air conditioning wiring detection method and system, including：Single-phase air conditioner power source to be measured is connected and ground wire is disconnected, universal meter is adjusted to alternating voltage shelves, and its black meter pen is connected with the ground wire for the AC power for being connected single-phase air-conditioning, and its red test pencil is connected with the metal shell of single-phase air-conditioning to be measured, voltage readings are obtained；Judge whether obtained voltage readings meet the requirements, if measuring voltage readings not higher than 36V, judge that the zero line of single-phase air-conditioning to be measured and live wire wiring are correct；If measuring voltage readings higher than 36V, judge that the zero line and live wire of single-phase air-conditioning to be measured are reversed.Only it can complete whether wiring correctly judges using universal meter in the overall process of detection, electric cabinet without opening air-conditioning again, two test pencils of universal meter connect the ground wire of air-conditioning metal shell and power supply successively, judge whether that wiring is correct by the magnitude relationship between the electrical potential difference and safe voltage between air conditioner housing and ground wire, the detection method is simple and easy to apply.
Description
Technical field
The present invention relates to detection of air-conditioning technical field, more specifically to a kind of single-phase air conditioning wiring detection method, also
It is related to a kind of single-phase air conditioning wiring detecting system.
Background technology
With development in science and technology, the raising of living standard, it is safe that people all the more pay attention to using for daily household electrical appliances.For sky
Apparatus field is adjusted, especially for single-phase air-conditioning, when loose contact or earth leakage protective device failure occurs in the ground wire of equipment
In the case of, if zero live wire of air-conditioning is reversed, casing has the induced voltage lied prostrate 100 more to the earth in the power-offstate, easily leads
Maintenance personal or user is caused to be electrically shocked.
Present single-phase air conditioner power source line wiring ensures correctly that zero live wire is reversed not to influence normal operation, does not beat by artificial
It can not be detected on the premise of opening electric cabinet, but the product that can not prevent wrong mis-wired comes into the market, and is caused to user
Use upper potential safety hazard.
In summary, how to efficiently solve existing single-phase air conditioner power source line easily reversed, cause the technology of potential safety hazard etc.
Problem, is current those skilled in the art's urgent problem.
The content of the invention
In view of this, first purpose of the invention is to provide a kind of single-phase air conditioning wiring detection method, the single-phase sky
Adjusting the design of Wiring detection method, can to efficiently solve existing single-phase air conditioner power source line easily reversed, causes the skill of potential safety hazard etc.
Art problem, second object of the present invention, which is to provide, a kind of can realize the single-phase air-conditioning of above-mentioned single-phase air conditioning wiring detection method
Wiring detecting system.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme：
A kind of single-phase air conditioning wiring detection method, including：
Single-phase air conditioner power source to be measured is connected and ground wire is disconnected, universal meter be adjusted to alternating voltage shelves, and by its black meter pen with
The ground wire connection of the AC power of single-phase air-conditioning is connected, its red test pencil is connected with the metal shell of single-phase air-conditioning to be measured, obtained
Voltage readings；
Judge whether obtained voltage readings meet the requirements, if measuring voltage readings not higher than 36V, judge to be measured
The zero line of single-phase air-conditioning and live wire wiring are correct；If measuring voltage readings higher than 36V, the zero line of single-phase air-conditioning to be measured is judged
It is reversed with live wire.
It is preferred that, in above-mentioned single-phase air conditioning wiring detection method, in addition to：
By signal transmission unit by the voltage readings detected, and corresponding current single-phase air-conditioning numbered transmission extremely
Processing terminal, and recorded by processing terminal.
It is preferred that, in above-mentioned single-phase air conditioning wiring detection method, led to by the automatic decision module in the processing terminal
Cross the voltage readings and judge whether the wiring of current single-phase air-conditioning is correct, if it is, record result of determination, if it is not, then
Result of determination is recorded, and carries out the prompting that reports an error.
It is preferred that, in above-mentioned single-phase air conditioning wiring detection method, the prompting that reports an error includes sending alarm song.
The single-phase air conditioning wiring detection method that the present invention is provided, including：Single-phase air conditioner power source to be measured is connected and disconnects ground
Line, universal meter is adjusted to alternating voltage shelves, and its black meter pen is connected with the ground wire for the AC power for being connected single-phase air-conditioning, and its is red
Test pencil is connected with the metal shell of single-phase air-conditioning to be measured, obtains voltage readings；Judge whether obtained voltage readings conform to
Ask, if measuring voltage readings not higher than 36V, judge that the zero line of single-phase air-conditioning to be measured and live wire wiring are correct；If measured
Voltage readings are higher than 36V, then judge that the zero line and live wire of single-phase air-conditioning to be measured are reversed.
This detection method, using this conventional circuit tester progress detection operation of universal meter, and detect
Only it can complete whether wiring correctly judges using universal meter in overall process, the electric cabinet without opening air-conditioning again, specifically
The ground wire that two test pencils of universal meter are connect to air-conditioning metal shell and power supply successively, air-conditioning power line and power network in detection process
Power supply connection, disconnects the ground wire of air-conditioning, is not in big between air conditioner housing and ground wire as the Live line Zero line of air-conditioning is not reversed
In 36V electrical potential difference, the electrical potential difference will be more than 36V if the Live line Zero line of air-conditioning is reversed.The detection method is simple and easy to apply,
It can ensure to dispatch from the factory air conditioning wiring correctly with more preferable security by shirtsleeve operation process, efficiently solve existing list
Phase air conditioner power source line is easily reversed, causes the technical problem of potential safety hazard etc..
In order to reach above-mentioned second purpose, present invention also offers a kind of single-phase air conditioning wiring detecting system, including：
Wiring manometric module, for universal meter to be adjusted into alternating voltage shelves, and by its black meter pen with being connected single-phase air-conditioning
The ground wire connection of AC power, its red test pencil is connected with the metal shell of single-phase air-conditioning to be measured, voltage readings are obtained；
Reading judge module, judges for that will measure voltage readings and be contrasted with preset value, if it is not high to measure voltage readings
In 36V, then judge that the zero line of single-phase air-conditioning to be measured and live wire wiring are correct；If measuring voltage readings higher than 36V, judgement is treated
The zero line and live wire for surveying single-phase air-conditioning are reversed.
The single-phase air conditioning wiring detecting system can realize above-mentioned single-phase air conditioning wiring detection method.Due to above-mentioned single-phase
Air conditioning wiring detection method has above-mentioned technique effect, can realize the single-phase air conditioning wiring of the single-phase air conditioning wiring detection method
Detecting system should also have corresponding technique effect.
It is preferred that, in above-mentioned single-phase air conditioning wiring detecting system, in addition to：
Signal transmission unit, is connected with universal meter, the volume for transmitting voltage readings and corresponding current single-phase air-conditioning
Number；
Processing terminal, the numbering for recording voltage reading and corresponding current single-phase air-conditioning.
It is preferred that, in above-mentioned single-phase air conditioning wiring detecting system, in addition to：
Automatic decision module, for judging whether the wiring of current single-phase air-conditioning is correct by the voltage readings, if
It is then to record result of determination, if it is not, then record result of determination, and carry out the prompting that reports an error.
It is preferred that, in above-mentioned single-phase air conditioning wiring detecting system, in addition to：
Buzzer, the prompting that reports an error is carried out for sending alarm ring sound.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of single-phase air conditioning wiring detection method provided in an embodiment of the present invention；
Fig. 2 is the patching operations schematic diagram of single-phase air conditioning wiring detection method provided in an embodiment of the present invention.
Marked in accompanying drawing as follows：
Universal meter 1, metal shell 2, ground wire 3.
Embodiment
It is easy to solve existing single-phase air conditioner power source line the embodiment of the invention discloses a kind of single-phase air conditioning wiring detection method
It is reversed, cause the technical problem of potential safety hazard etc..
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 2, Fig. 1 illustrate for the flow of single-phase air conditioning wiring detection method provided in an embodiment of the present invention
Figure；Fig. 2 is the patching operations schematic diagram of single-phase air conditioning wiring detection method provided in an embodiment of the present invention.
The single-phase air conditioning wiring detection method that embodiments of the invention are provided, including：
Single-phase air conditioner power source to be measured is connected and ground wire is disconnected, universal meter 1 be adjusted to alternating voltage shelves, and by its black meter pen with
The ground wire 3 for connecting the AC power of single-phase air-conditioning is connected, and its red test pencil is connected with the metal shell 2 of single-phase air-conditioning to be measured, obtained
Obtain voltage readings；
Judge whether obtained voltage readings meet the requirements, if measuring voltage readings not higher than 36V, judge to be measured
The zero line of single-phase air-conditioning and live wire wiring are correct；If measuring voltage readings higher than 36V, the zero line of single-phase air-conditioning to be measured is judged
It is reversed with live wire.
This detection method, using this conventional circuit tester progress detection operation of universal meter, and detect
Only it can complete whether wiring correctly judges using universal meter in overall process, the electric cabinet without opening air-conditioning again, specifically
The ground wire that two test pencils of universal meter are connect to air-conditioning metal shell and power supply successively, air-conditioning power line and power network in detection process
Power supply connection, disconnects the ground wire of air-conditioning, is not in big between air conditioner housing and ground wire as the Live line Zero line of air-conditioning is not reversed
In the electrical potential difference of 36V safe voltage, the electrical potential difference will be more than 36V if the Live line Zero line of air-conditioning is reversed.The detection side
Method is simple and easy to apply, correctly has more preferable security by the shirtsleeve operation process air conditioning wiring that can ensure to dispatch from the factory, effectively
Solve existing single-phase air conditioner power source line easily reversed, cause the technical problem of potential safety hazard etc..
It is preferred on the basis of above-described embodiment for further optimization above-mentioned technical proposal, above-mentioned single-phase air conditioning wiring
In detection method, in addition to：
By signal transmission unit by the voltage readings detected, and corresponding current single-phase air-conditioning numbered transmission extremely
Processing terminal, and recorded by processing terminal.
In the technical scheme that the present embodiment is provided, the voltage readings for further detecting universal meter are outwards transmitted to place
Terminal record is managed, which can easily record next group by the way that outer signal transmission unit is realized on universal meter with this
The detection case of each secondary all air-conditioning, is easy to record to collect archive.
It is preferred on the basis of above-described embodiment for further optimization above-mentioned technical proposal, above-mentioned single-phase air conditioning wiring
In detection method, current single-phase air-conditioning is judged by the voltage readings by the automatic decision module in the processing terminal
Whether wiring is correct, if it is, record result of determination, if it is not, then record result of determination, and carry out the prompting that reports an error.
In the technical side that the present embodiment is provided, automatic decision module is further set in processing terminal, then by voltage
Reading can automatically carry out contrast judgement after being transmitted by it, to determine the whether correct wiring of the detection air-conditioning, afterwards
Result record archive can be will determine that, such as by judging to find that mistake reports an error at once；This design further increases oneself of method
Dynamicization degree, it might even be possible to exclude participation of the manpower in detection process, further improve detection efficiency.
It is preferred on the basis of above-described embodiment for further optimization above-mentioned technical proposal, above-mentioned single-phase air conditioning wiring
In detection method, the prompting that reports an error includes sending alarm song.
In the technical side that the present embodiment is provided, when the situation for the prompting that occurs reporting an error, the device such as control buzzer sends report
, there is air conditioning wiring mistake with the responsible person that this points out to monitor whole detection process, prevents situation about omitting in alert song.
Based on the single-phase air conditioning wiring detection method provided in above-described embodiment, present invention also offers a kind of single-phase air-conditioning
Wiring detecting system, the single-phase air conditioning wiring detecting system can realize the single-phase air conditioning wiring inspection of any one in above-described embodiment
Survey method.
The single-phase air conditioning wiring detecting system, including：
Wiring manometric module, for universal meter 1 to be adjusted into alternating voltage shelves, and by its black meter pen with being connected single-phase air-conditioning
The ground wire connection of AC power, its red test pencil is connected with the metal shell 2 of single-phase air-conditioning to be measured, voltage readings are obtained；
Reading judge module, judges for that will measure voltage readings and be contrasted with preset value, if it is not high to measure voltage readings
In 36V, then judge that the zero line of single-phase air-conditioning to be measured and live wire wiring are correct；If measuring voltage readings higher than 36V, judgement is treated
The zero line and live wire for surveying single-phase air-conditioning are reversed.
Because the single-phase air conditioning wiring detecting system can realize the single-phase air conditioning wiring detection method of above-described embodiment, institute
Above-described embodiment refer to the beneficial effect of the single-phase air conditioning wiring detecting system.In addition it can be held by the automation such as robot
Row equipment as wiring manometric module carrier, to improve the automaticity of system.
It is preferred on the basis of above-described embodiment for further optimization above-mentioned technical proposal, above-mentioned single-phase air conditioning wiring
In detecting system, in addition to：
Signal transmission unit, is connected with universal meter 1, the volume for transmitting voltage readings and corresponding current single-phase air-conditioning
Number；
Processing terminal, the numbering for recording voltage reading and corresponding current single-phase air-conditioning.
It is preferred on the basis of above-described embodiment for further optimization above-mentioned technical proposal, above-mentioned single-phase air conditioning wiring
In detecting system, in addition to：
Automatic decision module, for judging whether the wiring of current single-phase air-conditioning is correct by the voltage readings, if
It is then to record result of determination, if it is not, then record result of determination, and carry out the prompting that reports an error.
It is preferred on the basis of above-described embodiment for further optimization above-mentioned technical proposal, above-mentioned single-phase air conditioning wiring
In detecting system, in addition to：
Buzzer, the prompting that reports an error is carried out for sending alarm ring sound.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of single-phase air conditioning wiring detection method, it is characterised in that including：
Single-phase air conditioner power source to be measured is connected and ground wire is disconnected, universal meter is adjusted to alternating voltage shelves, and by its black meter pen with being connected
The ground wire connection of the AC power of single-phase air-conditioning, its red test pencil is connected with the metal shell of single-phase air-conditioning to be measured, voltage is obtained
Reading；
Judge whether obtained voltage readings meet the requirements, if measuring voltage readings not higher than 36V, judge to be measured single-phase
The zero line of air-conditioning and live wire wiring are correct；If measuring voltage readings higher than 36V, the zero line and fire of single-phase air-conditioning to be measured are judged
Line is reversed.
2. single-phase air conditioning wiring detection method according to claim 1, it is characterised in that also include：
The voltage readings detected, and the numbered transmission of corresponding current single-phase air-conditioning are extremely handled by signal transmission unit
Terminal, and recorded by processing terminal.
3. single-phase air conditioning wiring detection method according to claim 2, it is characterised in that by the processing terminal
Automatic decision module judges whether the wiring of current single-phase air-conditioning is correct by the voltage readings, if it is, record judges
As a result, if it is not, then recording result of determination, and the prompting that reports an error is carried out.
4. single-phase air conditioning wiring detection method according to claim 3, it is characterised in that the prompting that reports an error includes sending
Alarm song.
5. a kind of single-phase air conditioning wiring detecting system, it is characterised in that including：
Wiring manometric module, for universal meter to be adjusted into alternating voltage shelves, and by its black meter pen and the exchange for being connected single-phase air-conditioning
The ground wire connection of power supply, its red test pencil is connected with the metal shell of single-phase air-conditioning to be measured, voltage readings are obtained；
Reading judge module, judges for that will measure voltage readings and be contrasted with preset value, is not higher than if measuring voltage readings
36V, then judge that the zero line of single-phase air-conditioning to be measured and live wire wiring are correct；If measuring voltage readings higher than 36V, judge to be measured
The zero line and live wire of single-phase air-conditioning are reversed.
6. single-phase air conditioning wiring detecting system according to claim 5, it is characterised in that also include：
Signal transmission unit, is connected with universal meter, the numbering for transmitting voltage readings and corresponding current single-phase air-conditioning；
Processing terminal, the numbering for recording voltage reading and corresponding current single-phase air-conditioning.
7. single-phase air conditioning wiring detecting system according to claim 6, it is characterised in that also include：
Automatic decision module, for judging whether the wiring of current single-phase air-conditioning is correct by the voltage readings, if it is,
Result of determination is recorded, if it is not, then record result of determination, and carry out the prompting that reports an error.
8. single-phase air conditioning wiring detecting system according to claim 7, it is characterised in that also include：
Buzzer, the prompting that reports an error is carried out for sending alarm ring sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710330232.7A CN107085163A (en) | 2017-05-11 | 2017-05-11 | A kind of single-phase air conditioning wiring detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710330232.7A CN107085163A (en) | 2017-05-11 | 2017-05-11 | A kind of single-phase air conditioning wiring detection method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107085163A true CN107085163A (en) | 2017-08-22 |
Family
ID=59613099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710330232.7A Pending CN107085163A (en) | 2017-05-11 | 2017-05-11 | A kind of single-phase air conditioning wiring detection method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107085163A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542824A (en) * | 2019-08-20 | 2019-12-06 | 易事特集团股份有限公司 | Single-phase current-crossing port wiring detection circuit |
| CN112986664A (en) * | 2021-02-26 | 2021-06-18 | 浙江嘉宏电力科技有限公司 | Capacitor identification method and device |
| CN114659230A (en) * | 2022-04-18 | 2022-06-24 | 珠海格力电器股份有限公司 | Zero-live line communication control device of air conditioner, control method of zero-live line communication control device and air conditioner |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821454Y (en) * | 2005-10-01 | 2006-09-27 | 珠海格力电器股份有限公司 | Air conditioner power line connection detection circuit |
| CN101183144A (en) * | 2007-12-05 | 2008-05-21 | 海信集团有限公司 | Single-phase power-supply wiring judgement method and single-phase power supply phase testing circuit |
| CN101355200A (en) * | 2007-07-27 | 2009-01-28 | 乐金电子(天津)电器有限公司 | Connecting terminal with alarm device for air conditioner |
| CN101794981A (en) * | 2009-12-14 | 2010-08-04 | 东莞市宝克振电子科技有限公司 | Multifunctional electric leakage protector |
| CN202495642U (en) * | 2012-02-16 | 2012-10-17 | 成都玺汇科技有限公司 | Multifunctional single-phase plug with display device |
| CN203455433U (en) * | 2013-08-20 | 2014-02-26 | 广东美的制冷设备有限公司 | Air conditioner fault detection device and air conditioner fault detection system comprising same |
| CN104201647A (en) * | 2014-09-01 | 2014-12-10 | 浙江苏泊尔家电制造有限公司 | Appliance outer casing leakage protection circuit and method |
| CN205301423U (en) * | 2016-01-18 | 2016-06-08 | 国家电网公司 | Earth connection electric leakage precaution device |
| KR20170001884A (en) * | 2015-06-26 | 2017-01-05 | 주식회사 이지몬 | Detecting method and a device for degradation of electric wire insulation |
-
2017
- 2017-05-11 CN CN201710330232.7A patent/CN107085163A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821454Y (en) * | 2005-10-01 | 2006-09-27 | 珠海格力电器股份有限公司 | Air conditioner power line connection detection circuit |
| CN101355200A (en) * | 2007-07-27 | 2009-01-28 | 乐金电子(天津)电器有限公司 | Connecting terminal with alarm device for air conditioner |
| CN101183144A (en) * | 2007-12-05 | 2008-05-21 | 海信集团有限公司 | Single-phase power-supply wiring judgement method and single-phase power supply phase testing circuit |
| CN101794981A (en) * | 2009-12-14 | 2010-08-04 | 东莞市宝克振电子科技有限公司 | Multifunctional electric leakage protector |
| CN202495642U (en) * | 2012-02-16 | 2012-10-17 | 成都玺汇科技有限公司 | Multifunctional single-phase plug with display device |
| CN203455433U (en) * | 2013-08-20 | 2014-02-26 | 广东美的制冷设备有限公司 | Air conditioner fault detection device and air conditioner fault detection system comprising same |
| CN104201647A (en) * | 2014-09-01 | 2014-12-10 | 浙江苏泊尔家电制造有限公司 | Appliance outer casing leakage protection circuit and method |
| KR20170001884A (en) * | 2015-06-26 | 2017-01-05 | 주식회사 이지몬 | Detecting method and a device for degradation of electric wire insulation |
| CN205301423U (en) * | 2016-01-18 | 2016-06-08 | 国家电网公司 | Earth connection electric leakage precaution device |
Non-Patent Citations (1)
| Title |
|---|
| 杨清德 等: "《零起步巧学巧用万用表》", 30 April 2009, 中国电力出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542824A (en) * | 2019-08-20 | 2019-12-06 | 易事特集团股份有限公司 | Single-phase current-crossing port wiring detection circuit |
| CN112986664A (en) * | 2021-02-26 | 2021-06-18 | 浙江嘉宏电力科技有限公司 | Capacitor identification method and device |
| CN114659230A (en) * | 2022-04-18 | 2022-06-24 | 珠海格力电器股份有限公司 | Zero-live line communication control device of air conditioner, control method of zero-live line communication control device and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8067946B2 (en) | Method for repairing a transmission line in an electrical power distribution system | |
| CN102563363B (en) | Liquid leakage detecting positioning system | |
| TWI303140B (en) | ||
| CN105445691A (en) | Power information collection equipment fault comprehensive diagnosis system | |
| CN107078690A (en) | The method and system of failure is detected and positioned in DC systems | |
| CN107085163A (en) | A kind of single-phase air conditioning wiring detection method and system | |
| CN103063967A (en) | Switching room user identification method and switching room user identification device | |
| CN205861815U (en) | The detecting system of Simple Low Voltage power distribution network leakage current | |
| CN207352117U (en) | A kind of fault electric arc detection system | |
| CN110261680B (en) | Method, device and system for detecting resistance parameters of grounding system and monitoring network | |
| CN206757021U (en) | High voltage ac/dc voltmeter calibration detection means | |
| CN204228942U (en) | The line fault observation circuit of current transformer | |
| CN105527499A (en) | Grounding resistance detection and analysis system with automatic alarm function | |
| CN110940938A (en) | Device and method for detecting connection relation between user electric meter and transformer | |
| CN113324592A (en) | System, method, switching device and storage medium for pipe gallery monitoring | |
| WO2009058955A1 (en) | Faulted circuit indicator apparatus with transmission line state display and method of use thereof | |
| CN105823959A (en) | Android device-based power user mounting detection method | |
| CN109307817B (en) | Cable live identification instrument and identification method | |
| CN105572517A (en) | Online monitoring type intelligent electrified switching-in protection device of lightning arrester and control method | |
| CN105676068A (en) | Distribution network wiring consistency no-powercut examination method and device | |
| CN209198566U (en) | A kind of cable electrification identifier | |
| CN107290707A (en) | A kind of method and system for recognizing power information acquisition system electrical energy meter fault | |
| KR20100037375A (en) | Apparatus for measuring earth resistance | |
| CN104614627A (en) | Portable DC leakage detection positioning device and detection positioning method | |
| CN106291081B (en) | Far field electric testing system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170822 |