CN101464223A - Variable frequency air conditioner detecting instrument - Google Patents
Variable frequency air conditioner detecting instrument Download PDFInfo
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- CN101464223A CN101464223A CNA2009100366093A CN200910036609A CN101464223A CN 101464223 A CN101464223 A CN 101464223A CN A2009100366093 A CNA2009100366093 A CN A2009100366093A CN 200910036609 A CN200910036609 A CN 200910036609A CN 101464223 A CN101464223 A CN 101464223A
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Abstract
The invention provides a detector which is used for function debugging, operational parameter detection and failure monitoring of an inverter air conditioner. The detector comprises a central processing unit, a host computer communication circuit, a nixietube display circuit, a button selective circuit, a communication port and a communication line group; the nixietube display circuit and the button selective circuit are connected with the central processing unit; the central processing unit is connected with a host computer through the host computer communication circuit and the communication port; and the central processing unit is connected with the electric control system of the inverter air conditioner through the communication line group. By applying the invention, the operational frequency of the inverter air conditioner, the wind speed of a DC blower, the divergence of an electronic expansion valve and the switching on/off of a four way valve can be set conveniently and quickly, so that the parameter debugging can be facilitated during the process of the development of the inverter air conditioner. Furthermore, by employing the invention, the operational parameters of the inverter air conditioner, including the operational frequency, the target frequency, various temperature sampling values, and the rotating speed of the blower, can be observed, and the data can be displayed in the form of a curve. In addition, the operational failure of the inverter air conditioner can be observed by applying the invention, and the information about the latest ten shutdown incidents is accessible.
Description
Technical field
The present invention is a kind of variable frequency air conditioner detecting instrument that is used for function debugging, operational parameter detection and the malfunction monitoring of convertible frequency air-conditioner, belongs to the renovation technique of variable frequency air conditioner detecting instrument.
Background technology
Existing convertible frequency air-conditioner more and more is subjected to consumer's favor because of its power saving, advantage such as comfortable, and convertible frequency air-conditioner is the trend of air-conditioning industry development.And that convertible frequency air-conditioner function complexity, control technology require is high, so the research and development of convertible frequency air-conditioner, after-sales service difficulty are bigger, and complexity, workload are big.So need a kind of device to solve the difficulty that runs in convertible frequency air-conditioner research and development, the after-sales service, make the research and development of convertible frequency air-conditioner, maintenance become simpler.
Summary of the invention
The objective of the invention is to consider the problems referred to above and a kind of variable frequency air conditioner detecting instrument that can effectively debug, detect and monitor the convertible frequency air-conditioner running status is provided.The present invention is reasonable in design, and is easy to operate.
Technical scheme of the present invention is: include CPU (central processing unit), host computer telecommunication circuit, charactron display circuit, button selection circuit, communication port and order wire group, charactron display circuit, button select circuit to link to each other with CPU (central processing unit), CPU (central processing unit) links to each other with host computer by host computer telecommunication circuit and communication port, and CPU (central processing unit) links to each other with the convertible frequency air-conditioner electric-control system by the order wire group.
Above-mentioned host computer telecommunication circuit partly includes control chip IC2, two photoelectrical coupler IC3, IC4, control chip IC2 carries out isolated communication by two photoelectrical coupler IC3, IC4 and CPU (central processing unit), communication port links to each other with IC2, and communication port links to each other with host computer.
Above-mentioned charactron display circuit is for showing 3 pairs of figure of eight charactrons of different information.
Above-mentioned button selects circuit part to comprise that 4 can be realized high level and low level conversion in the circuit, makes CPU (central processing unit) judge the button of the state of button execution by the current potential that detects each key circuit, and 4 buttons link to each other with CPU (central processing unit).
Above-mentioned CPU (central processing unit) also is connected with the failure message storage unit.
Above-mentioned failure message storage unit is for can store the EEPROM of data.
Above-mentioned CPU (central processing unit) is a single-chip microcomputer.
Above-mentioned order wire group is a four-core light current line group.
Above-mentioned control chip IC2 is MAX232.
The present invention has following advantage: use running frequency, dc fan wind speed, electronic expansion valve opening, four-way valve switch that the present invention can set convertible frequency air-conditioner very easily, be convenient to carry out parameter testing in the convertible frequency air-conditioner research and development process; In addition, use the operational factor that the present invention can monitor convertible frequency air-conditioner,, and the form of data with curve shown as running frequency, target frequency, each temperature sampling value, rotation speed of fan etc.; In addition, use the operation troubles that the present invention can monitor convertible frequency air-conditioner, can transfer the failure message of nearest ten shutdown.Volume of the present invention is little, simple to operate, powerful, uses the present invention and can make the research and development of convertible frequency air-conditioner become simple.The present invention is that a kind of design is ingenious, function admirable, convenient and practical variable frequency air conditioner detecting instrument.
Description of drawings
Fig. 1 is a theory diagram of the present invention;
Fig. 2 is a schematic diagram of the present invention;
Fig. 3 is installed in overall perspective view in the housing for the present invention.
Embodiment
Embodiment:
Theory diagram of the present invention as shown in Figure 1, include CPU (central processing unit) 1, host computer telecommunication circuit 2, charactron display circuit 3, button selection circuit 4, communication port 6 and order wire group 7, charactron display circuit 3, button select circuit 4 to link to each other with CPU (central processing unit) 1, CPU (central processing unit) 1 links to each other with host computer by host computer telecommunication circuit 2 and communication port 6, and CPU (central processing unit) 1 links to each other with the convertible frequency air-conditioner electric-control system by order wire group 7.
Above-mentioned host computer telecommunication circuit part 2 includes control chip IC2, two photoelectrical coupler IC3, IC4, control chip IC2 carries out isolated communication by two photoelectrical coupler IC3, IC4 and CPU (central processing unit) 1, communication port 6 links to each other with IC2, and communication port 6 links to each other with host computer.
Above-mentioned charactron display circuit 3 is for showing 3 pairs of figure of eight charactrons of different information.CPU (central processing unit) 1 can utilize triode and resistance directly to drive charactron, makes charactron show corresponding information.
Above-mentioned button selects circuit part 4 to comprise that 4 can be realized high level and low level conversion in the circuit, makes the button of CPU (central processing unit) 1 by the state of the current potential judgement button execution of each key circuit of detection, and 4 buttons link to each other with CPU (central processing unit) 1.Realize high level, low level selection by button, 4 input pins of 4 corresponding CPU (central processing unit) 1 of button, CPU (central processing unit) 1 is made corresponding reaction by the state of high level, low level judgement button according to program setting.
Above-mentioned CPU (central processing unit) 1 also is connected with failure message storage unit 5.
In the present embodiment, above-mentioned failure message storage unit 5 is for can store the EEPROM of data, and EEPROM links to each other with CPU (central processing unit) 1, and utilizes storer to write down nearest 10 times shutdown data, shuts down data at every turn and comprises 48 information.In addition, according to memory span, the data of its preservation are variable.
In the present embodiment, above-mentioned CPU (central processing unit) 1 is a single-chip microcomputer.In order to make circuit not only simply but also effective, described single-chip microcomputer uses TMP86P809N.Above-mentioned order wire group 7 is a four-core light current line group, and wherein 2 line body power supplys that air-conditioning is automatically controlled are guided to this detector, for the work of this detector provides power supply; Other 2 line bodies are used for convertible frequency air-conditioner electric control system controls chip and communicate by letter with CPU (central processing unit) 1.
In the present embodiment, above-mentioned control chip IC2 is MAX232.The present invention is installed in the interior overall perspective view of housing as shown in Figure 3.
A plurality of parameters when using this detector and can conveniently inquire about the operation of the current running status of convertible frequency air-conditioner and convertible frequency air-conditioner.Can show by the charactron of this detector and obtain the current operation information of convertible frequency air-conditioner, as running frequency, running status and various sampled data.Also can obtain more detailed operation information and information data curve, be convenient to analyze by data and curve by connecting host computer.
Use this detector and can conveniently set the convertible frequency air-conditioner running status, can make exploitation debugging, the test of convertible frequency air-conditioner become easier.Enter set-up function by " setting " button, select then to set item, its parameter is set.
Use the failure message that this detector can write down convertible frequency air-conditioner, be convenient to the exploitation and the after-sales service of convertible frequency air-conditioner." EEPROM " of the automatically controlled part of this detector can write down the shutdown data that produce in the operation of air conditioner process, and these data are stored in the address of the formulation in " EEPROM ", can write down nearest 10 times altogether and shut down, and shuts down data at every turn and comprises 48 operation informations.
According to the independent use of button be used in combination the multiple function that can realize this detector.This detector has been realized communicating with host computer, can show various information datas and information curve by host computer, and is significant for the research and development of convertible frequency air-conditioner.Patent of the present invention is easy to use, simple to operate, powerful, greatly reduces the difficulty of convertible frequency air-conditioner research and development, test, after-sales service.
Claims (9)
1, a kind of variable frequency air conditioner detecting instrument, it is characterized in that including CPU (central processing unit) (1), host computer telecommunication circuit (2), charactron display circuit (3), button selection circuit (4), communication port (6) and order wire group (7), charactron display circuit (3), button select circuit (4) to link to each other with CPU (central processing unit) (1), CPU (central processing unit) (1) links to each other with host computer by host computer telecommunication circuit (2) and communication port (6), and CPU (central processing unit) (1) links to each other with the convertible frequency air-conditioner electric-control system by order wire group (7).
2, variable frequency air conditioner detecting instrument according to claim 1, it is characterized in that above-mentioned host computer telecommunication circuit part (2) includes control chip IC2, two photoelectrical coupler IC3, IC4, control chip IC2 carries out isolated communication by two photoelectrical coupler IC3, IC4 and CPU (central processing unit) (1), communication port (6) links to each other with IC2, and communication port (6) links to each other with host computer.
3, variable frequency air conditioner detecting instrument according to claim 1 is characterized in that above-mentioned charactron display circuit (3) is for showing 3 pairs of figure of eight charactrons of different information.
4, variable frequency air conditioner detecting instrument according to claim 1, it is characterized in that above-mentioned button selection circuit part (4) comprises that 4 can be realized high level and low level conversion in the circuit, make the button of CPU (central processing unit) (1) by the state of the current potential judgement button execution of each key circuit of detection, 4 buttons link to each other with CPU (central processing unit) (1).
5,, it is characterized in that above-mentioned CPU (central processing unit) (1) also is connected with failure message storage unit (5) according to each described variable frequency air conditioner detecting instrument of claim 1 to 4.
6, variable frequency air conditioner detecting instrument according to claim 5 is characterized in that above-mentioned failure message storage unit (5) is for can store the EEPROM of data.
7, variable frequency air conditioner detecting instrument according to claim 6 is characterized in that above-mentioned CPU (central processing unit) (1) is single-chip microcomputer.
8, variable frequency air conditioner detecting instrument according to claim 7 is characterized in that above-mentioned order wire group (7) is a four-core light current line group.
9, variable frequency air conditioner detecting instrument according to claim 8 is characterized in that above-mentioned control chip IC2 is MAX232.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100366093A CN101464223A (en) | 2009-01-13 | 2009-01-13 | Variable frequency air conditioner detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100366093A CN101464223A (en) | 2009-01-13 | 2009-01-13 | Variable frequency air conditioner detecting instrument |
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| Publication Number | Publication Date |
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| CN101464223A true CN101464223A (en) | 2009-06-24 |
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| CNA2009100366093A Pending CN101464223A (en) | 2009-01-13 | 2009-01-13 | Variable frequency air conditioner detecting instrument |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237844A (en) * | 2011-07-06 | 2011-11-09 | 四川长虹电器股份有限公司 | Speed regulating method for air conditioner motor |
| CN102692066A (en) * | 2012-06-14 | 2012-09-26 | 四川长虹空调有限公司 | Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system |
| CN104392508A (en) * | 2014-11-07 | 2015-03-04 | 珠海格力电器股份有限公司 | Household appliance operating state information recorder as well as control method thereof and air conditioner |
| CN105763624A (en) * | 2016-04-08 | 2016-07-13 | 武汉松芝车用空调有限公司 | Integrated health monitoring system and method for passenger car air conditioner |
| CN105928722A (en) * | 2016-04-18 | 2016-09-07 | 合肥美的暖通设备有限公司 | Air conditioner performance detection system and method |
| CN106014946A (en) * | 2016-06-16 | 2016-10-12 | 珠海格力电器股份有限公司 | Compressor service life control method and device and refrigerating system |
-
2009
- 2009-01-13 CN CNA2009100366093A patent/CN101464223A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237844A (en) * | 2011-07-06 | 2011-11-09 | 四川长虹电器股份有限公司 | Speed regulating method for air conditioner motor |
| CN102692066A (en) * | 2012-06-14 | 2012-09-26 | 四川长虹空调有限公司 | Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system |
| CN102692066B (en) * | 2012-06-14 | 2014-11-26 | 四川长虹空调有限公司 | Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system |
| CN104392508A (en) * | 2014-11-07 | 2015-03-04 | 珠海格力电器股份有限公司 | Household appliance operating state information recorder as well as control method thereof and air conditioner |
| CN105763624A (en) * | 2016-04-08 | 2016-07-13 | 武汉松芝车用空调有限公司 | Integrated health monitoring system and method for passenger car air conditioner |
| CN105763624B (en) * | 2016-04-08 | 2018-10-23 | 武汉松芝车用空调有限公司 | Coach air conditioner integrated health monitors system and monitoring method |
| CN105928722A (en) * | 2016-04-18 | 2016-09-07 | 合肥美的暖通设备有限公司 | Air conditioner performance detection system and method |
| CN105928722B (en) * | 2016-04-18 | 2020-04-03 | 合肥美的暖通设备有限公司 | Air conditioner performance detection system and method |
| CN106014946A (en) * | 2016-06-16 | 2016-10-12 | 珠海格力电器股份有限公司 | Compressor service life control method and device and refrigerating system |
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Open date: 20090624 |