CN202188585U - Air conditioner debugging instrument - Google Patents
Air conditioner debugging instrument Download PDFInfo
- Publication number
- CN202188585U CN202188585U CN2011203005831U CN201120300583U CN202188585U CN 202188585 U CN202188585 U CN 202188585U CN 2011203005831 U CN2011203005831 U CN 2011203005831U CN 201120300583 U CN201120300583 U CN 201120300583U CN 202188585 U CN202188585 U CN 202188585U
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- air conditioner
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- conditioner
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- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000011161 development Methods 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air conditioner debugging instrument which is used for reading the parameters of an air conditioner to be debugged and adjusting the operation parameters of the air conditioner to be debugged. The air conditioner debugging instrument comprises an LCD (liquid crystal display) unit, a single chip microcomputer, a key input unit and a communication interface, wherein the LCD unit and the key input unit are connected with the single chip microcomputer; the communication interface is used for being in communication connection with a control chip of the air conditioner to be debugged; and the single chip microcomputer can read the data of the control chip of the air conditioner to be debugged and transmit a signal of the key input unit to the control chip of the air conditioner to be debugged. The air conditioner debugging instrument can conveniently monitor and adjust the operation parameters of the air conditioner during the development and test phases of a variable-frequency air conditioner and greatly improve the development speed. Simultaneously for the after-sale service of products, especially when the vibration and noise are generated as the resonance point of a direct-current variable-frequency air conditioner is changed due to transportation and other reasons, after-sale service staff can correct a frequency operating point on site by the debugging instrument so as to avoid resonance and enable the operation of the air conditioner to return to be normal.
Description
Technical field
The utility model relates to the air-conditioner technical field, more particularly, relates to a kind of air-conditioner debugging appearance.
Background technology
Along with the popularization in transducer air conditioning market, people are cognitive increasingly high to transducer air conditioning, and its comfortableness and good energy-saving effect with excellence is praised highly by users.Numerous air-conditioner factory commercial cities is at R&D intensity that strengthens the convertible frequency air-conditioner new product rapidly and increase output.
Transducer air conditioning can wide variation because of its compressor operating frequency; So need regulate on a large scale simultaneously the frequency of compressor, the rotating speed of fan electromotor and the aperture of electric expansion valve in the development phase; With the performance of definite frequency converter operation and the optimum state of vibration noise; And confirm the operational factor of product according to the test result of development phase; In case confirmed these operational factors, detection, the after-sale service link of transducer air conditioning after producing can't be changed parameter, only if change whole automatically controlled plate.
In the development phase of transducer air conditioning, realize that the method for frequency adjustment mainly is following two kinds at present:
1. realize frequency adjustment with the frequency modulation chip of special use.This mode is to develop a special scm software according to the transducer air conditioning control logic in advance, utilizes in the remote controller some particular code as input signal, " brute force " that for example uses a teleswitch and " economy " signal.After the frequency modulation chip was installed on the automatically controlled plate, if when the frequency modulation chip is received " brute force " sign indicating number that remote controller sends, then air-conditioner once just increased 1HZ by whenever receiving, if when receiving " economic sign indicating number ", then handled by each 1HZ of minimizing.But this mode uses very inconvenient, and each debugging all need be changed the frequency modulation chip, and metasomite on sale can't be regulated at all.And can only regulating frequency, can't be provided with like parameters such as electronic expansion valve opening, dc fan rotating speeds for other, also can't show actual operation parameters.
2. adopt easy frequency regulation arrangement to realize the running status adjusting.This mode is to communicate with a control system and an air-conditioner control chip of being made up of single-chip microcomputer; Change parameters such as compressor operating frequency, electronic expansion valve opening and rotation speed of the fan through button operation, and some parameters of air-conditioner operation are read single-chip microcomputer and show through multidigit nixie tube through SCI communication.This scheme can be regulated the operational factor with real air-conditioner easily in the transducer air conditioning development phase; After product approval, then can only demonstrate operational factor, but can't change the parameter that presets; Link after sale particularly; If produce the oscillation point skew because of the deviation of producing causes machine, just in time operate on resonance point, then can't directly revise.
The utility model content
The utility model purpose is to overcome the deficiency of prior art; Aiming to provide a kind of compressor operating frequency adjustment, rotation speed of the fan of not only providing at exploitation, the Qualify Phase of transducer air conditioning regulates and the expansion valve opening adjusting; And can show each item operational factor, detect with the after-sale service link at product and can revise the multi-function air conditioner debugging appearance that presets operational factor.
The technical scheme of the utility model is: a kind of air-conditioner debugging appearance; Be used to read and wait to debug the parameter of air-conditioner and the operational factor that adjustment waits to debug air-conditioner; Comprise LCD display unit, single-chip microcomputer, key-press input unit, communication interface composition; Said LCD display unit, key-press input unit are connected with single-chip microcomputer; Said communication interface is used for communicating by letter with the control chip of waiting to debug air-conditioner and is connected, and said single-chip microcomputer can read the data of waiting to debug the air-conditioner control chip and the signal of key-press input unit is transferred on the air-conditioner control chip.
The display screen dot array of said LCD display unit is 240X128, and the module of LCD display unit comprises Chinese word library and chip for driving.
Said single-chip microcomputer is the TMP86H46 of the Toshiba chip of 42 pins.
The chip for driving of said LCD display unit is RA8803.
The beneficial effect of the utility model is: can monitor and regulate the operational factor of air-conditioner in the transducer air conditioning development& testing stage easily, improve development rate greatly.Simultaneously after sale for product; Thereby when particularly causing the DC frequency converting air-conditioner resonance point to change generation vibration and noise owing to reasons such as transportations; Personnel can use this debugging appearance to carry out on-the-spot frequency of amendment operating point after sale, thereby avoid resonance, make air-conditioner recover normal operation.
Description of drawings
Fig. 1 is the outside drawing of the utility model air-conditioner debugging appearance;
Fig. 2 is the electric control principle block diagram of the utility model air-conditioner debugging appearance;
Fig. 3 is the control flow chart of the utility model air-conditioner debugging appearance.
The specific embodiment
The utility model comprises the LCD display unit 12 that carries Chinese word library and chip for driving, single-chip microcomputer 16, key-press input unit 11, communication interface 13.LCD display unit 12, key-press input unit 11 are connected with single-chip microcomputer 16; Communication interface 13 is used for communicating by letter with the control chip of waiting to debug air-conditioner and is connected, and 16 single-chip microcomputers can read the data of waiting to debug the air-conditioner control chip and the signal of key-press input unit 11 is transferred on the air-conditioner control chip.
Referring to Fig. 1; The 3*4 matrix press-key input block 11 of air-conditioner debugging appearance; Be used for the selection operation object and change parameter, 240*128 dot matrix LCD display unit 12 is used to show the operational factor of air-conditioner; When using this debugging appearance, need to be connected on the controller spare interface of air-conditioner through communication interface 13.
Fig. 2 is the electric control principle block diagram of the utility model air-conditioner debugging appearance; Comprise serial communication read/write circuit 17 and DC power source input units 18 on the air-conditioner controller to be tested 20 as shown in Figure 2; DC power source input units 18 provides dc source to air-conditioner debugging appearance; Serial communication read/write circuit 17 is connected to the respective pins of single-chip microcomputer 16, single-chip microcomputer is communicated by letter with the control chip of controller of air conditioner to be tested be connected, and reads the supplemental characteristic of air-conditioner to be tested.
The single-chip microcomputer that the utility model adopts is the TMP86H46 of the Toshiba chip of 42 pins, and LCD display unit 12 carries Chinese word library, and blue led is backlight, and its chip for driving is RA8803.Single-chip microcomputer 16 is through driving the chip for driving of LCD display unit 12; LCD can multiframe be shown; The state parameter of air-conditioner operation to be tested is set to first frame institute content displayed, and is the normality demonstration, and second frame is the EEPROM data display frame of air-conditioner; Show the eeprom content that presets and be arranged on controller of air conditioner, comprise parameters such as running frequency point, protection temperature value, protective current value.
The utility model is by carrying out the SCI serial communication by the communication protocol of agreement between the CPU of single-chip microcomputer 16 and air-conditioner controller or the DSP, sending each other and receive information.Controller of air conditioner sends its running state parameter (comprising the state parameter that Fig. 1 display screen is shown) through its serial port to single-chip microcomputer 16.After the register of single-chip microcomputer 16 received these signals, the chip for driving RA8803 that single-chip microcomputer 16 drives LCD display unit 12 again was presented at running state parameter on the LCD.Simultaneously; Single-chip microcomputer 16 also sends signal through communication interface 13 to the CPU or the DSP of controller of air conditioner, if button has operation, controller of air conditioner will be received the signal that comes from single-chip microcomputer 16; And go out the corresponding key signal according to signal decoding, handle accordingly again.Through such two-way communication, after the air-conditioner altimeter of the utility model inserted air-conditioner to be tested, LCD display unit 12 will show the running status of air-conditioner, and can revise the operational factor of air-conditioner to be tested.
Referring to the control flow chart of Fig. 3 air-conditioner debugging appearance, can understand concrete method of operating better, when pressing mode key, operating modes of air conditioner switches between freezing, heating, and LCD display unit 12 shows corresponding pattern simultaneously.When by frequency key, the setpoint frequency value of LCD display unit 12 is flashed, and whenever can increase 1HZ by once increasing key this moment on existing frequency basis, pins the increase key and does not put, and begins after 3 seconds to increase continuously second by 1HZ/; In kind can reduce frequency by reducing key, the increase and decrease scope is between 0-120HZ.After button discharged 1 second, air-conditioner began response, and compressor is by new setting operation.When pressing the rotating speed key, LCD display unit 12 demonstration rotation speed of fan values are flashed, and whenever can on existing rotating speed basis, increase 1rpm by once increasing key.Pinning increases key and does not put after 3 seconds and begin to increase continuously second with 1rpm/0.2; Can realize the minimizing of rotating speed with the same manner by reducing key, the increase and decrease scope is between 0-1000HZ.After button discharged 1 second, air-conditioner began response, and outdoor motor is pressed the rotating speed operation of new settings.When the aperture key, LCD display unit 12 shows that the valve opening values flash, and whenever can on existing aperture basis, increase by 1 step by once increasing key, pins the increase key and does not put and begin to go on foot/0.2 second with 1 after 3 seconds and increase continuously; Can realize the minimizing of aperture with the same manner by reducing key, the increase and decrease scope is between 0-500 goes on foot.After button discharged 1 second, air-conditioner began response, and electric expansion valve is by new setting aperture operation.When pressing data key, single-chip microcomputer 16 is received controller of air conditioner EEPROM data, and LCD display unit 12 shows the 2nd frame data frame; Display highlighting rests on the flicker of data start bit; Can be by the key that moves to right with moving behind the cursor, whenever by once moving one, do not put rapid Continuous and move but pin; Can be with cursor right with the same manner by the key that moves to left.After cursor moves to the target location; Again by increasing key or reduce key, can the cursor position data be added 1 or subtract 1, be provided with finish after; Press acknowledgement key; Single-chip microcomputer 16 sends to controller of air conditioner with amended data, and the commanding air conditioner controller writes EEPROM with new data, realizes the modification to preset parameter.
The operational factor that air-conditioner could monitored and regulate to the utility model easily in the transducer air conditioning development& testing stage makes the parameter such as frequency, rotation speed of fan of product operate in optimum state.Simultaneously after sale for product; Thereby when particularly causing the DC frequency converting air-conditioner resonance point to change generation vibration and noise owing to reasons such as transportations; Personnel can use this debugging appearance to carry out on-the-spot frequency of amendment operating point after sale, thereby avoid resonance, make air-conditioner recover normal operation.
Claims (4)
1. an air-conditioner is debugged appearance; Be used to read and wait to debug the parameter of air-conditioner and the operational factor that adjustment waits to debug air-conditioner; It is characterized in that: comprise LCD display unit, single-chip microcomputer, key-press input unit, communication interface composition; Said LCD display unit, key-press input unit are connected with single-chip microcomputer; Said communication interface is used for communicating by letter with the control chip of waiting to debug air-conditioner and is connected, and said single-chip microcomputer can read the data of waiting to debug the air-conditioner control chip and the signal of key-press input unit is transferred on the air-conditioner control chip.
2. air-conditioner debugging appearance according to claim 1, it is characterized in that: the display screen dot array of said LCD display unit is 240X128, and the module of LCD display unit comprises Chinese word library and chip for driving.
3. air-conditioner debugging appearance according to claim 1, it is characterized in that: said single-chip microcomputer is the TMP86H46 of the Toshiba chip of 42 pins.
4. air-conditioner debugging appearance according to claim 2, it is characterized in that: the chip for driving of said LCD display unit is RA8803.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005831U CN202188585U (en) | 2011-08-18 | 2011-08-18 | Air conditioner debugging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005831U CN202188585U (en) | 2011-08-18 | 2011-08-18 | Air conditioner debugging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188585U true CN202188585U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203005831U Expired - Fee Related CN202188585U (en) | 2011-08-18 | 2011-08-18 | Air conditioner debugging instrument |
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| Country | Link |
|---|---|
| CN (1) | CN202188585U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361918A (en) * | 2018-03-20 | 2018-08-03 | 奥克斯空调股份有限公司 | Debugging air conditioner device, method and air conditioner |
| CN108361932A (en) * | 2018-02-27 | 2018-08-03 | 常州艾可荻电器科技有限公司 | The method for not shutting down the debugging frequency conversion apparatus of air conditioning |
| CN111928438A (en) * | 2020-07-31 | 2020-11-13 | 海信（山东）空调有限公司 | Method for rewriting air conditioner control parameter and air conditioner |
| CN112628134A (en) * | 2020-12-23 | 2021-04-09 | 合肥美菱物联科技有限公司 | Method for rapidly detecting noise of variable frequency compressor |
| WO2023050869A1 (en) * | 2021-09-28 | 2023-04-06 | 青岛海尔空调器有限总公司 | Test method, test apparatus and control apparatus for air conditioner |
-
2011
- 2011-08-18 CN CN2011203005831U patent/CN202188585U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361932A (en) * | 2018-02-27 | 2018-08-03 | 常州艾可荻电器科技有限公司 | The method for not shutting down the debugging frequency conversion apparatus of air conditioning |
| CN108361918A (en) * | 2018-03-20 | 2018-08-03 | 奥克斯空调股份有限公司 | Debugging air conditioner device, method and air conditioner |
| CN111928438A (en) * | 2020-07-31 | 2020-11-13 | 海信（山东）空调有限公司 | Method for rewriting air conditioner control parameter and air conditioner |
| CN112628134A (en) * | 2020-12-23 | 2021-04-09 | 合肥美菱物联科技有限公司 | Method for rapidly detecting noise of variable frequency compressor |
| WO2023050869A1 (en) * | 2021-09-28 | 2023-04-06 | 青岛海尔空调器有限总公司 | Test method, test apparatus and control apparatus for air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20140818 |
|
| EXPY | Termination of patent right or utility model |