CN205015732U - Electromechanical accuse board function automatic test equipment in air conditioning - Google Patents
Electromechanical accuse board function automatic test equipment in air conditioning Download PDFInfo
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- CN205015732U CN205015732U CN201520526662.2U CN201520526662U CN205015732U CN 205015732 U CN205015732 U CN 205015732U CN 201520526662 U CN201520526662 U CN 201520526662U CN 205015732 U CN205015732 U CN 205015732U
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Abstract
The utility model provides an electromechanical accuse board function automatic test equipment in air conditioning, including computer and test module, test module control cylinder pushes down, the automatically controlled board of being surveyed passes through the thimble and realizes the power supply with test module, the test of communication and various signals, control the operation of automatically controlled board, the operating condition of each partial circuit of the automatically controlled board of while testing, whether the automatically controlled board of automatic determination is in proper working order, accomplish the functional test of automatically controlled board, test procedure preserves in all returning the computer demonstration and take notes the database with the test result. The board can be controlled by the interior electromechanics of full -automatic test air conditioning to this structure, and fine or not the judging of automatically controlled board is not participated in to the operator, and in addition, but improvement efficiency of software testing is worked together to several equipment of concurrent operation, test module is last to have reserved a plurality of IO mouths, can test electromechanical accuse board in other air conditioning as long as change configuration file, add the test procedure of the procedure of the automatically controlled board of check -up simultaneously, guaranteed the program correctness.
Description
Technical field
The utility model relates to a kind of air conditioner test equipment, particularly indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment.
Background technology
At present, indoor apparatus of air conditioner electric-controlled plate functional test station in process of production, adopts manual testing or semi-automatic test equipment to test mostly.Observe in the action of process need operator to electric-controlled plate of test, finally judged the quality of electric-controlled plate by operator oneself, single operator cannot operate multiple devices simultaneously test, and needs larger employment cost; And whole test process can not be visual, test process and test result can not record file.
Utility model content
The indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment that the purpose of this utility model aims to provide a kind of simple and reasonable, full-automatic test, testing efficiency is high, cost is low, whole test process is visual, test result and data can be filed automatically, to overcome weak point of the prior art.
By a kind of indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment that this object designs, comprise host computer and test module, test module control cylinder presses down, tested electric-controlled plate realizes powering by thimble and test module, communicate and the test of various signal, control electric-controlled plate runs, test the duty of electric-controlled plate each several part circuit simultaneously, whether automatic judgement electric-controlled plate is working properly, complete the functional test of electric-controlled plate, test process and test result all turn back to host computer and show and be recorded in database and preserve.
Test module is provided with testing circuit board, testing circuit board is provided with the relay contact analog control system circuit for testing electric-controlled plate switching value, be provided with the stepper motor test circuit for testing electric-controlled plate step motor control signal, being provided with the AD sample circuit for testing electric-controlled plate AD sample port magnitude of voltage, being provided with the telecommunication circuit for testing electric-controlled plate display interface data; Be provided with for isolating the two-way isolated communication circuit of IIC reading electric-controlled plate eeprom chip program, to complete the verification of program, be provided with the hummer sound test circuit for test buzzer audible frequency and intensity, be provided with for communicating with host computer and testing multiple serial communication circuits of electric-controlled plate communication port.
Test module is provided with multiple testing circuit board, and is connected in parallel same host computer simultaneously, realize communicating mutually, synchronism detection, and single operator can test multiple electric-controlled plate simultaneously.
Host computer is provided with and uses exploitation, and to the software that test process and data show based on MicrosoftVisualBasic6.0 design; Serial communication interface and the testing circuit board of computer main board communicate to connect mutually.The configuration information sending electric-controlled plate is responsible for by this software, is responsible for receiving and show the test process data and result that return from testing circuit board in test process.
What host computer combined form with test module carries out full-automatic testing to electric-controlled plate, and test process can verify the program of electric-controlled plate, and test process and test result all can show at computer software and be recorded to database.
Testing circuit board of the present utility model and host computer software, through redesigning, make test process visual, can control and record test process simultaneously; Testing circuit board adds the test circuit can testing the various tested object of electric-controlled plate, tests the running status of each several part circuit in electric-controlled plate operational process, judges that whether it is working properly, quotes corresponding failure code to abnormal circuit; Simultaneously this testing circuit board is with carrying out with computer the circuit that communicates, keeps and compunlcation, obtain testing scheme and submit test result to, matching computer software records failure code and test result in the whole process of test.The utility model can fully automatically testing air conditioner indoor set electric-controlled plate, realize can carrying out testing and fault test without the need to human intervention, operator does not participate in the judgement of electric-controlled plate quality, in addition, several equipment that can simultaneously operate work together, realize not increasing tester and can test more electric-controlled plate; Test module is reserved multiple I/O mouth, so be not limited only to test a kind of indoor apparatus of air conditioner electric-controlled plate, as long as carry out change to configuration file can test other indoor apparatus of air conditioner electric-controlled plates; Add the test process of the program of verification electric-controlled plate simultaneously, ensure that program correctness.The feature that it has simple and reasonable, full-automatic test, testing efficiency is high, cost is low, whole test process is visual, test result and data can be filed automatically.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model one embodiment testing circuit board.
Fig. 2 is the test circuit schematic diagram of the utility model one embodiment stepper motor.
Fig. 3 is the test circuit schematic diagram of the utility model one embodiment relay.
Fig. 4 is the test circuit schematic diagram of the utility model one embodiment E EPROM.
Fig. 5 is the sound test circuit schematic diagram of the utility model one embodiment hummer.
Fig. 6 is the test circuit schematic diagram of the utility model one embodiment display board.
Fig. 7 is the test circuit schematic diagram of the utility model one embodiment fan electromotor.
Fig. 8 is the utility model one embodiment A D sample circuit schematic diagram.
Fig. 9 is the process flow diagram of the utility model one embodiment host computer testing software.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
This embodiment is the full-automatic testing equipment of adaptive indoor apparatus of air conditioner electric-controlled plate:
This indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment, comprise host computer and test module, test module control cylinder presses down, tested electric-controlled plate realizes powering by thimble and test module, communicate and the test of various signal, control electric-controlled plate runs, and tests the duty of electric-controlled plate each several part circuit simultaneously, automatically judges that whether electric-controlled plate is working properly, complete the functional test of electric-controlled plate, test process and test result all turn back to host computer and show and be recorded in database and preserve.
Test module is provided with testing circuit board, testing circuit board is provided with the relay contact analog control system circuit for testing electric-controlled plate switching value, be provided with the stepper motor test circuit for testing electric-controlled plate step motor control signal, being provided with the AD sample circuit for testing electric-controlled plate AD sample port magnitude of voltage, being provided with the telecommunication circuit for testing electric-controlled plate display interface data; Be provided with for isolating the two-way isolated communication circuit of IIC reading electric-controlled plate eeprom chip program, to complete the verification of program, be provided with the hummer sound test circuit for test buzzer audible frequency and intensity, be provided with for communicating with host computer and testing multiple serial communication circuits of electric-controlled plate communication port.
Test module is provided with multiple testing circuit board, and is connected in parallel same host computer simultaneously, realize communicating mutually, synchronism detection, and single operator can test multiple electric-controlled plate simultaneously.
Host computer is provided with and uses exploitation, and to the software that test process and data show based on MicrosoftVisualBasic6.0 design; Serial communication interface and the testing circuit board of computer main board communicate to connect mutually.The configuration information sending electric-controlled plate is responsible for by this software, is responsible for receiving and show the test process data and result that return from testing circuit board in test process.
What host computer combined form with test module carries out full-automatic testing to electric-controlled plate, and test process can verify the program of electric-controlled plate, and test process and test result all can show at computer software and be recorded to database.
See Fig. 1,11 partial circuits that the testing circuit board of test module jointly controls primarily of three MCU form, and comprise stepper motor test circuit, relay on-off test circuit, button inputting circuits, relay output control circuit, host computer telecommunication circuit, electric-controlled plate telecommunication circuit, digital pipe display circuit, display board test circuit, sound test circuit, AD sample circuit and IIC telecommunication circuit.
See Fig. 2; middle stepper motor; whether the output that test circuit is responsible for testing electric-controlled plate stepper motor driving circuit is normal; it use optocoupler to isolate stepper motor output signal; optocoupler control end uses the power supply of electric-controlled plate; by the resistance current limliting rear drive optocoupler that R42 resistance is 2K; C29 capacitance is that the electric capacity of 0.1 μ F is for filtering; D12 is that switching diode makes reverse protection; optocoupler controlled terminal is connected with single-chip microcomputer through the current-limiting resistance of 2K after then making pull-up by 10K resistance again, and C30 capacitance is that the electric capacity of 1000pF is for filtering.
See Fig. 3, whether the relay output end that relay on-off test circuit is responsible for testing electric-controlled plate is normal, also using the signal of optocoupler to the forceful electric power output terminal of Control to isolate, circuit structure and above-mentioned electric expansion valve test circuit similar, but owing to being test interchange forceful electric power, so the resistance of the control end of the optocoupler input resistance and 1K that have changed 100K into carries out dividing potential drop, and add rectifier bridge stack, optocoupler input end and 1K resistor coupled in parallel obtain input signal.
See Fig. 4, IIC isolated communication circuit for reading the EEPROM program of electric-controlled plate, according to the principle of IIC telecommunication circuit, data line is two-way communication, one-way communication during clock line, this buffer circuit passes through two photoelectric coupler isolation data paths, a photoelectric coupler isolation clock path; The photoelectrical coupler IC8 of clock path is PC817 optocoupler, the control end of optocoupler is connected to 330 Ω current-limiting resistances and is connected with the clock pins of control panel, the controlled terminal of optocoupler is connected with the clock pin of the EEPROM of electric-controlled plate, and too increase R20 is that the pull-up resistor of 680 Ω is to accelerate the switching speed of optocoupler simultaneously; Two optocouplers of data path do forward and reverse link communication respectively, and forward path is that 50K makes pull-up resistor by R211, R1 be 270 Ω to the current limliting of IC28 optocoupler control end, Q2 is 8550PNP triode drive IC 28 optocoupler; IC28 optocoupler controlled terminal circuit be 3.3K, R3 be 270 Ω, R6 is 1K, Q1 by R2 is 8050NPN triode, and R9 is 1K resistance composition; When SDA0 and control panel export high level, IC28 control end is not lighted, and controlled terminal ends, and Q1 has met pull down resistor R6 and closed, and the data port of EEPROM-SDA and electric-controlled plate EEPROM is pulled to high level by R3, R9; When SDA0 is low level, IC28 control end is lighted, controlled terminal conducting, and Q1 opens, and EEPROM-SDA is by pull-up values low level under R9, Q1; Backward channel and forward path use identical device and circuit, and the EEPROM due to electric-controlled plate has been connected with pull-up resistor so backward channel eliminates the pull-up resistor of 50K.
See Fig. 5, sound test circuit is actual is buzzer signal test circuit, and for testing the voice signal that tested upper hummer produces, CN-MIC interface connects microphone, and MIC holds the I/O port of connection control plate MCU; R89 for 10K and R93 be 51K and C50 for 0.1 μ F electric capacity drives microphone to produce electric signal corresponding to sound, C48 is that 0.1 μ F electric capacity is isolated the direct current component of electric signal, remaining AC signal conducting is the amplifying circuit that 8050NPN triode combines to be 1.5K, R88 being 510K and Q7 by R87, signal after amplifying filters part high-frequency interferencing signal by C49, enter LM393 comparer and R212/R213 dividing potential drop gained magnitude of voltage compares, comparator output terminal is connected to the pull-up resistor that R81 is 10K; The signal that final MIC end exports will be with the voice signal same frequency tested, the PWM waveform that dutycycle is determined by the size of sound, control panel is caught this PWM waveform and is compared and can judge that whether hummer normal.
See Fig. 6, display board test circuit adopts and obtains according to current display board control program house of correction, the clock signal of display interface, data-signal, enable signal, be serial signal, 8 road parallel signals be exported to the I/O pin of control panel MCU after being input to the clock of 74HC164 chip, data, enable pin, control panel MCU, by gathering the parallel signal of this 8 tunnel after conversion, can draw the information of current display, thus the display action of test electric-controlled plate in test process.
See Fig. 7, because electric-controlled plate may be furnished with direct current generator or PG alternating current generator as fan electromotor, so control panel is configured with rotation speed of fan feedback test circuit accordingly, electrical isolation is realized by IC47 optocoupler, the control end of optocoupler is connected to the current-limiting resistance that R149 is 560 Ω, and CN-FAN1 is directly connected with the motor rotate speed feedback interface of electric-controlled plate; The current-limiting resistance that it be pull-up resistor and the R145 of 10K is 330 Ω that the controlled terminal of optocoupler connects R146 is connected to the external interrupt I/O pin of control panel MCU, while the C77/C78 also increased over the ground be the filter capacitor of 1000pF; Control panel monitors the rotating speed of motor in test process, whether reaches set rotating speed judge that whether motor-drive circuit is normal according to motor.
See Fig. 8, due to the electric-controlled plate that tested electric-controlled plate is in air conditioning chamber, therefore 3 road temperature sampling circuits may be used at most, so special test plate is configured with 3 road AD sample circuits, directly be connected with each AD port of electric-controlled plate, gather the magnitude of voltage of electric-controlled plate AD port, draw corresponding temperature value, compare with testing standard value again, judge that whether electric-controlled plate AD sample circuit is normal.
Button inputting circuits is made up of two buttons, is respectively to start test button and emergency stop button, and operator only needs to press startup test button and namely starts test, and in test process, any moment presses emergency stop button and interrupt test process.
Relay output control circuit employs ULN2003 and drives the power supply of Control electric-controlled plate and the cylinder of automatic plate press and diving board to control;
Host computer telecommunication circuit is that device board communicates with computer, communicate with RS-232 serial port circuit, realize multiple devices plate by custom communication protocol to communicate with computer simultaneously, in operational process, computer sends the configuration information of electric-controlled plate to device board, then obtains test mode and result from device board.
Electric-controlled plate due to convertible frequency air-conditioner indoor is also furnished with the interface of the automatically controlled communication with outdoor, so testing circuit board also needs to be furnished with the circuit that can communicate with it, testing circuit board is made outdoor automatically controlled end and is communicated with electric-controlled plate in test process, judges the telecommunication circuit whether fault of electric-controlled plate.
Digital pipe display circuit drives 48 segment numeral pipe display running statuses and failure messages by TM1668.
Operator presses startup testing button after installing electric-controlled plate, testing circuit board controls pressing plate cylinder, realize each several part circuit interface by external thimble form to be connected with electric-controlled plate, device board test procedure brings into operation, first the power supply of electric-controlled plate is connected, trigger electric-controlled plate and enter the test pattern carried, testing circuit board tests the running status that electric-controlled plate runs rear each load output and sensor input circuit simultaneously, the relatively test value of these measurands and the difference of standard value, determine whether fault, the circuit of fault is recorded and uploads to host computer together with test process, upper computer software is after receiving slave computer data, display test process and test result, if there is fault, shows corresponding fault title and be recorded in database, at the end of test, testing circuit board disconnects the power supply of electric-controlled plate, but control panel power itself can't disconnect, as long as there is new electric-controlled plate to install always, and presses startup test button, just can restart test.
Host computer computer software is divided into two parts, and a part is test parameter configuration software, and another part is testing and control software.
Test parameter configuration software is available to electronic development personnel and generates electric-controlled plate parameter configuration files, and the font color can filling out frame, optional frame or button is that grey then represents that this input frame can not input, and is set to default conditions; And be supplied to electronic development personnel and check the parameters setting configuration file, the field in interface all belongs to read-only, can not do any operation to it.
See Fig. 9, testing software returns running status according to slave computer and processes accordingly.
Display interface when testing and control software is automatic testing software test.According to the parameters of this interface display, operator can differentiate that whether electric-controlled plate is by test.It is designed with " DCO step " region of the whole testing process step of display; Be designed with " failure message " a line, if test process breaks down, then show defect content, if test is passed through, then do not show any information; Be designed with the region showing every operational factor.Be designed with " tempo instructions " region of display testing progress, after having tested, progress bar fills up, test " OK " printed words by there is green picture above then progress bar, represent that test is passed through, test, by there are " disorderly closedown " printed words of red picture above then progress bar, represents that test is not passed through; Be designed with " ini file " menu entering the Background control of test macro according to the selection of user; Being designed with " BIN file " menu, can selecting to be loaded into the scale-of-two BIN file for verifying electric-controlled plate EEPROM program; Be designed with " frock debugging the is special " menu keeping for the developer of testing apparatus to debug use; Be designed with the Help menu of the version information of software for display.
Above-mentioned is preferred version of the present utility model, and those of ordinary skill in the art, to its simple modification or transformation, all drop within protection domain of the present utility model.
Claims (7)
1. an indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment, comprise host computer and test module, test module control cylinder presses down, tested electric-controlled plate realizes powering by thimble and test module, communicate and the test of various signal, control electric-controlled plate runs, test the duty of electric-controlled plate each several part circuit simultaneously, whether automatic judgement electric-controlled plate is working properly, complete the functional test of electric-controlled plate, test process and test result all turn back to host computer and show and be recorded in database and preserve;
It is characterized in that test module is provided with testing circuit board, testing circuit board being provided with the relay contact analog control system circuit for testing electric-controlled plate switching value, and be provided with the stepper motor test circuit for testing electric-controlled plate step motor control signal.
2. indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment according to claim 1, it is characterized in that AD sample circuit testing circuit board is provided with for testing electric-controlled plate AD sample port magnitude of voltage, and be provided with the telecommunication circuit for collecting test electric-controlled plate display interface data.
3. indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment according to claim 2, it is characterized in that testing circuit board being provided with for isolating the two-way isolated communication circuit of IIC reading electric-controlled plate eeprom chip program, and be provided with the hummer sound test circuit for test buzzer audible frequency and intensity.
4. indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment according to claim 3, is characterized in that testing circuit board is provided with for communicating with host computer and testing multiple serial communication circuits of electric-controlled plate communication port.
5. the indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment according to any one of claim 1-4, is characterized in that test module being provided with multiple testing circuit board, and is connected in parallel same host computer simultaneously.
6. indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment according to claim 1, is characterized in that host computer is provided with and uses exploitation based on MicrosoftVisualBasic6.0 design, and to the software that test process and data show; Serial communication interface and the testing circuit board of computer main board communicate to connect mutually.
7. indoor apparatus of air conditioner electric-controlled plate function automatic detection equipment according to claim 1, what it is characterized in that host computer combines form with test module carries out full-automatic testing to electric-controlled plate, test process can verify the program of electric-controlled plate, and test process and test result all can show at computer software and be recorded to database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526662.2U CN205015732U (en) | 2015-07-20 | 2015-07-20 | Electromechanical accuse board function automatic test equipment in air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526662.2U CN205015732U (en) | 2015-07-20 | 2015-07-20 | Electromechanical accuse board function automatic test equipment in air conditioning |
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| Publication Number | Publication Date |
|---|---|
| CN205015732U true CN205015732U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520526662.2U Expired - Fee Related CN205015732U (en) | 2015-07-20 | 2015-07-20 | Electromechanical accuse board function automatic test equipment in air conditioning |
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| CN (1) | CN205015732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094117A (en) * | 2015-07-20 | 2015-11-25 | 广东格兰仕集团有限公司 | Device for automatically testing functions of electric control plate of air-conditioner indoor set |
| CN113137690A (en) * | 2021-03-03 | 2021-07-20 | 青岛海尔空调电子有限公司 | Parameter configuration method of motor and air conditioner |
-
2015
- 2015-07-20 CN CN201520526662.2U patent/CN205015732U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094117A (en) * | 2015-07-20 | 2015-11-25 | 广东格兰仕集团有限公司 | Device for automatically testing functions of electric control plate of air-conditioner indoor set |
| CN113137690A (en) * | 2021-03-03 | 2021-07-20 | 青岛海尔空调电子有限公司 | Parameter configuration method of motor and air conditioner |
| CN113137690B (en) * | 2021-03-03 | 2023-08-15 | 青岛海尔空调电子有限公司 | Motor parameter configuration method and 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: 20160203 Termination date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |