CN101930029B - Measuring device for detecting resistors in air-condition circuits automatically - Google Patents
Measuring device for detecting resistors in air-condition circuits automatically Download PDFInfo
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- CN101930029B CN101930029B CN 200910099930 CN200910099930A CN101930029B CN 101930029 B CN101930029 B CN 101930029B CN 200910099930 CN200910099930 CN 200910099930 CN 200910099930 A CN200910099930 A CN 200910099930A CN 101930029 B CN101930029 B CN 101930029B
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Abstract
The invention relates to a measuring device for detecting resistors in air-condition circuits automatically, which comprises a measuring main circuit module, a display module and a buzzer alarming module. The measuring device is characterized in that the measuring device comprises a clamp for clamping a measured air-condition circuit board; a plurality of pairs of thimbles on the clamp contact both ends of the resistors on the measured air-condition circuit board respectively, so that the resistors are respectively connected to the respective measured circuit; voltage signals are extracted by the thimbles and are connected to each signal input end of the main circuit module; the main circuit module calculates a value of each measured resistor according to a voltage value of each inputted signal and a line and an element parameter of each measured circuit and compares the value of each measured resistor with a design value of each resistor; and the signal output end of the main circuit module is connected to the display module and the buzzer alarming module, so that a comparison result is displayed and subjected to alarm reminding. The measuring device has the advantages of simple structure, low cost, accurate detection, convenient and quick operation and capability of improving the production efficiency.
Description
Technical field
The present invention relates to a kind of air-conditioner controller electric resistance measuring apparatus, the resistance that is used for air-conditioner controller is measured.
Background technology
At present in the production run every cover controller whether all must detect high, medium and low wind speed and temperature sensing circuit normal.
High, medium and low wind speed is to select the resistance of resistance to determine by wind speed, and whether temperature detection accurately must see again whether the resistance of reference resistance is accurate.Whether the selection resistance of high, medium and low wind speed is correct, and original way is to connect blower motor, whether correctly then detect wind speed with the wind speed testing tool, but operation is extremely inconvenient on this kind method streamline, and the time that operates is long.The reference resistance of temperature sensing circuit can't detect aborning, causes temperature detection and actual temperature deviation larger.
To sum up chat, if can look for a kind of way that automatically detects resistance with single-chip microcomputer, whether just can accurately judge wind speed selects the resistance of resistance and temperature sensing circuit correct, thereby guarantee that air conditioner motor wind speed and temperature detection are accurate, guarantee best refrigerating capacity/heating capacity and noise and the efficiency of air-conditioning system coupling.And detect and become simple, quick, reliable.
Summary of the invention
Technical matters to be solved by this invention provides a kind of simple, quick, reliable measurement mechanism that automatically detects resistors in air-condition circuits, and it saves the method for operating of very complicated, has also avoided having reference resistance can not detect the risk of bringing.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of measurement mechanism of automatic detection resistors in air-condition circuits, it includes the measurement main circuit module, display module, the buzzer warning module, it is characterized in that including the anchor clamps of clamping tested air conditioning circuit board, many two ends that thimble contacted respectively resistance on the tested air conditioning circuit board on the anchor clamps, resistance is connected to separately on the circuit-under-test, take out voltage signal by thimble, be connected to each signal input part of main circuit module, main circuit module is according to the magnitude of voltage of each signal of input and circuit and the component parameters of each circuit-under-test, calculate the size of each measured resistance, compare with the design load of each resistance, then, the signal output part of main circuit module is connected to display module and buzzer warning module, and comparative result is shown and warning reminding.
As improvement, described anchor clamps comprise thimble, connecting line, plastic stent, buckle; A plurality of buckles that are used for the tested air conditioning circuit board of buckle wherein distribute around the plastic stent surface, simultaneously, accordingly, the plastic stent surface is provided with thimble for tested resistance tie point, thimble is connected to circuit-under-test by connecting line or the lip-deep metalwork of plastic stent, takes out each signal input part that voltage signal is connected to main circuit module.
Improve, described thimble is the elasticity thimble again, and thimble adopts the copper post, be plugged in the copper pipe movably, and copper pipe is fixed on the plastic stent, the oral area of copper pipe is fixed with locating part, make spring supporting that the copper post has ejection trend between copper pipe bottom and copper post, convenient operation uses.
Improve, described buckle is by chute pressing plate to be installed movably on snap seats again, is supported with back-moving spring between pressing plate and the chute bottom, forms the gap of fixing circuit board between pressing plate and the snap seats, and convenient operation uses.
Improve again, described circuit-under-test is with measured resistance and Capacitance parallel connection, is together in series with reference resistance again, forms bleeder circuit, be connected between power end and the earth terminal, the dividing potential drop place between measured resistance and the reference resistance is connected to main circuit module by thimble.Circuit-under-test is simple like this, easily calculates and practical application.
As improvement, described measurement main circuit module adopts single chip circuit, and integrated EEPROM module for reading and writing and AD detection module are convenient to connect and use, and are recorded each measurement result.
At last, described display module adopts the display circuit of light emitting diode, generally is to form with six light emitting diodes.Each signal input part of described main circuit module has 6 passages, whether select resistance correct for detection of the high, medium and low third gear wind speed on the air-conditioner controller, whether the reference resistance of indoor temperature transmitter, indoor coil pipe sensor, outdoor coil pipe used temperature sensor is correct.
Operating personnel were no more than for 1 second detection time as long as the air-conditioner controller circuit board that will detect is snapped on the Special tooling clamp and can automatically detect, and improved and measured efficient, reduced labour intensity, used very convenient.
Compared with prior art, the invention has the advantages that: need not Installation and Debugging blower fan on production line, the temperature deviation problem that need not the wind speed test step and avoid the sensor reference resistance error to cause too greatly, simple in structure, with low cost, detect accurately, convenient to operation, enhance productivity.
Description of drawings
Fig. 1 is the module principle figure that automatically detects the measurement mechanism of resistors in air-condition circuits;
Fig. 2 is the clamp structure schematic diagram;
Fig. 3 is measuring principle figure.
Embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
Anticipate as Figure 1-3, a kind of measurement mechanism of automatic detection resistors in air-condition circuits, it includes measures main circuit module 1, display module 2, buzzer warning module 3, measure main circuit module 1 and adopt single chip circuit, integrated EEPROM module for reading and writing and AD detection module, the signal input part of measuring main circuit module 1 has 6 passages, whether select resistance correct for detection of the high, medium and low third gear wind speed on the air-conditioner controller, whether the reference resistance of indoor temperature transmitter, indoor coil pipe sensor, outdoor coil pipe used temperature sensor is correct.It also includes the anchor clamps 4 of clamping tested air conditioning circuit board, anchor clamps comprise thimble 4.1, connecting line, plastic stent 4.2, buckle 4.3 forms, wherein distribute 4 around plastic stent 4.2 surface and be used for the buckle 4.3 of the tested air conditioning circuit board of buckle, every one side has one, for correct locating circuit board, 4 corner portions on plastic stent 4.2 surfaces respectively are provided with a reference column 4.4, simultaneously, accordingly, plastic stent 4.2 surfaces respectively arrange a thimble 4.1 for resistance tie point tested on the circuit board, each thimble 4.1 is connected to circuit-under-test by connecting line or the lip-deep metalwork of plastic stent, take out voltage signal, connect each signal input part that is transported to main circuit module 1.Thimble 4.1 adopts the elasticity thimble, thimble is that copper post 4.1a is convenient to conduction, be plugged on movably among the copper pipe 4.1b, copper pipe 4.1b is fixed on the plastic stent 4.2, the oral area of copper pipe 4.1b is fixed with locating part 4.1d, and the spring 4.1c that makes copper post 4.1a have ejection trend is supported between copper pipe 4.1b bottom and the copper post 4.1a.Buckle 4.3 comprises snap seats 4.3a and pressing plate 4.3b, on snap seats 4.3a, by chute 4.3c pressing plate 4.3b is installed movably, be supported with back-moving spring 4.3d between pressing plate 4.3b and the chute 4.3c bottom, form the gap of fixing circuit board between pressing plate 4.3b and the snap seats 4.3a, can snap in circuit board.Can be according to different air-conditioner controller wiring boards, thimble 4.1 is withstood on different positions, make on the anchor clamps 6 pairs of thimbles 4.1 contact respectively the two ends of resistance on the tested air conditioning circuit board, resistance is connected to separately on the circuit-under-test, circuit-under-test is that measured resistance and capacitor C 1 are together in parallel, be together in series with reference resistance R1 again, form bleeder circuit, be connected between power end and the earth terminal, dividing potential drop place between measured resistance and the reference resistance R1 is connected to main circuit module 1 by thimble 4.1, take out voltage signal by thimble 4.1 like this, be connected to 6 signal input parts of main circuit module 1, main circuit module 1 is according to the magnitude of voltage of each signal of input and circuit and the component parameters of each circuit-under-test, calculate the size of each measured resistance, with the design load comparison of each resistance, then, the signal output part of main circuit module 1 is connected to display module 2 and buzzer warning module 3, and comparative result is shown and warning reminding.Display module adopts the display circuit of 6 light emitting diodes.
Its principle of work and operating process are:
Before the production, the special resistors position of corresponding air-conditioner controller master control borad makes a frock clamp 4 first, and the two ends of thimble 4.1 being withstood each measured resistance are connected on the measurement main circuit module 1 with connecting line.After anchor clamps 4 are carried out, ready-made air-conditioning control panel is snapped in anchor clamps 4, guarantee that resistance on this model machine is errorless and snap into after the position, pin the touch-switch on the control panel of measuring main circuit module 1, then on the control panel of measuring main circuit module 1, power up, hear after " ticking " two and decontrol touch-switch, single-chip microcomputer just is converted to numeral with the resistance value on the tested air-conditioning control panel and writes among the EEPROM.
After the data storage, and can be used for production and application.Open the Mersure Controler power supply, so at this moment light emitting diode is all lighted, if having one the road not work, the frock damage is described then, should change frock.Next produce good air-conditioner controller master control borad with every and snap in the frock clamp 4 that connects, show at once on the display board whether each road resistance is correct.If find some resistance with wrong, the light emitting diode on this road is lighted at once.The maintenance personal does not need any detection, changes this resistance and gets final product, and is very convenient, efficient.If all lamps all are the states that goes out, that illustrates that this piece air-conditioner controller is fully normal, need not to wait for, can detect next piece immediately.Find which resistance with wrong from detecting, the time spent is less than in 3 seconds, and prior art will wait for that wind speed is stable, the third gear wind speed is surveyed must be more than 30 seconds, and the resistance on the sensor more can't detect, so production efficiency can improve 10 times, and the reliability of product also significantly promotes.
This device can detect air-conditioner controller very easily, can save the station of this several roads resistance of special detection, reduces production costs the purpose of enhancing productivity thereby reach.
Claims (7)
1. measurement mechanism that automatically detects resistors in air-condition circuits, it includes main circuit module (1), display module (2), buzzer warning module (3), it is characterized in that including the anchor clamps (4) of clamping tested air conditioning circuit board, the upper many two ends that thimble (4.1) contacted respectively measured resistance on the tested air conditioning circuit board of anchor clamps (4), measured resistance is connected to separately on the circuit-under-test, take out voltage signal by thimble (4.1), be connected to each signal input part of main circuit module (1), main circuit module (1) is according to the magnitude of voltage of each signal of input and circuit and the component parameters of each circuit-under-test, calculate the size of each measured resistance, compare with the design load of each measured resistance, then, the signal output part of main circuit module (1) is connected to display module (2) and buzzer warning module (3), and comparative result is shown and warning reminding;
Described anchor clamps (4) comprise thimble (4.1), connecting line, plastic stent (4.2), buckle (4.3); A plurality of buckles (4.3) that are used for the tested air conditioning circuit board of buckle wherein distribute around plastic stent (4.2) surface, simultaneously, accordingly, plastic stent (4.2) surface is provided with thimble (4.1) for tested resistance tie point, and thimble (4.1) is connected to circuit-under-test by connecting line or the lip-deep metalwork of plastic stent.
2. measurement mechanism according to claim 1, it is characterized in that described thimble (4.1) is the elasticity thimble, thimble (4.1) adopts copper post (4.1a), be plugged on movably in the copper pipe (4.1b), and copper pipe (4.1b) is fixed on the plastic stent (4.2), the oral area of copper pipe (4.1b) is fixed with locating part (4.1d), and the spring (4.1c) that makes the copper post have ejection trend is supported between copper pipe (4.1b) bottom and the copper post (4.1a).
3. measurement mechanism according to claim 1, it is characterized in that described buckle (4.3) is by chute (4.3c) pressing plate (4.3b) to be installed movably in snap seats (4.3a), be supported with back-moving spring (4.3d) between pressing plate (4.3b) and chute (4.3c) bottom, form the gap of fixing tested air conditioning circuit board between pressing plate (4.3b) and the snap seats (4.3a).
4. measurement mechanism according to claim 1, it is characterized in that described circuit-under-test is with measured resistance and Capacitance parallel connection, be together in series with reference resistance again, form bleeder circuit, be connected between power end and the earth terminal, the dividing potential drop place between measured resistance and the reference resistance is connected to main circuit module by thimble.
5. measurement mechanism according to claim 1 is characterized in that described main circuit module adopts single chip circuit, integrated EEPROM module for reading and writing and AD detection module.
6. measurement mechanism according to claim 1 is characterized in that described display module adopts the display circuit of light emitting diode.
7. measurement mechanism according to claim 1, each signal input part that it is characterized in that described main circuit module has 6 passages, whether select resistance correct for detection of the high, medium and low third gear wind speed on the air-conditioner controller, whether the reference resistance of indoor temperature transmitter, indoor coil pipe sensor, outdoor coil pipe used temperature sensor is correct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910099930 CN101930029B (en) | 2009-06-19 | 2009-06-19 | Measuring device for detecting resistors in air-condition circuits automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910099930 CN101930029B (en) | 2009-06-19 | 2009-06-19 | Measuring device for detecting resistors in air-condition circuits automatically |
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| CN101930029A CN101930029A (en) | 2010-12-29 |
| CN101930029B true CN101930029B (en) | 2013-01-30 |
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| CN 200910099930 Active CN101930029B (en) | 2009-06-19 | 2009-06-19 | Measuring device for detecting resistors in air-condition circuits automatically |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865953A (en) * | 2010-05-31 | 2010-10-20 | 宁波海诚电器有限公司 | Resistor detecting device |
| DE102013207710A1 (en) * | 2013-04-26 | 2014-10-30 | Tridonic Gmbh & Co Kg | Module for lamps with combined secondary-side measuring signal acquisition |
| CN110658405B (en) * | 2019-10-09 | 2021-09-28 | 广东美的制冷设备有限公司 | Air conditioner line loss detection method and device, air conditioner and storage medium |
| CN112413861A (en) * | 2020-10-28 | 2021-02-26 | 苏州利贤电子有限公司 | Double-energy-saving air conditioner electric control board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304130Y (en) * | 1997-07-15 | 1999-01-13 | 沈治 | D. C. resistance detecting instrument |
| CN2593206Y (en) * | 2002-12-25 | 2003-12-17 | 上海电动工具研究所 | Motor winding welding and coil resistance measuring clamp |
-
2009
- 2009-06-19 CN CN 200910099930 patent/CN101930029B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304130Y (en) * | 1997-07-15 | 1999-01-13 | 沈治 | D. C. resistance detecting instrument |
| CN2593206Y (en) * | 2002-12-25 | 2003-12-17 | 上海电动工具研究所 | Motor winding welding and coil resistance measuring clamp |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2005-3619A 2005.01.06 |
| JP特开2006-234385A 2006.09.07 |
| JP特开平7-229940A 1995.08.29 |
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Effective date of registration: 20180208 Address after: 315191 Yinzhou District Province, Ningbo City, Jiang Shan town on the village of summer ho Patentee after: AUX air conditioning Limited by Share Ltd Address before: 315191, AUX Industrial Park, Mingguang North Road, Jiangshan Town, Ningbo, Yinzhou District, Zhejiang 1166, China Patentee before: Ningbo Haicheng Electric al Appliances Co., Ltd. |