CN107728607B - Kitchen range ignition control board testing device and method - Google Patents
Kitchen range ignition control board testing device and method Download PDFInfo
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- CN107728607B CN107728607B CN201711212981.6A CN201711212981A CN107728607B CN 107728607 B CN107728607 B CN 107728607B CN 201711212981 A CN201711212981 A CN 201711212981A CN 107728607 B CN107728607 B CN 107728607B
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- 238000012360 testing method Methods 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 152
- 238000002485 combustion reaction Methods 0.000 claims abstract description 49
- 238000012423 maintenance Methods 0.000 claims description 31
- 238000010411 cooking Methods 0.000 claims description 10
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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Abstract
The invention discloses a testing device and a testing method for a stove ignition control board, wherein a control module outputs a simulated flame combustion feedback signal to a flame detection feedback connection end of the ignition control board of a tested stove through a controlled simulated flame combustion feedback signal generating module, then the ignition needle-shaped state detecting module detects whether the ignition control board of the tested stove can control an ignition needle to stop ignition after gas ignition is successful, and after the controlled simulated flame combustion feedback signal generating module stops outputting the simulated flame combustion feedback signal to the flame detection feedback connection end of the ignition control board of the tested stove, the control module detects whether the ignition control board of the tested stove can control a gas electromagnetic valve to drop a valve to disconnect after the gas flame is extinguished through the gas electromagnetic valve state detecting module, so that the safety detection of the ignition control board of the tested stove is realized, the testing process that the gas electromagnetic valve is required to be connected with a gas pipeline to realize flame combustion and flame extinction during testing is omitted, and the testing is more convenient and quick.
Description
Technical Field
The invention relates to a testing device and a testing method for an ignition control board of a kitchen range.
Background
At present, when the ignition control board of the kitchen range is produced, a circuit board manufacturer detects whether the function of a kitchen range controller is qualified through a completely manual mode, the method generally comprises the steps of manually connecting an ignition needle, a gas electromagnetic valve, an ignition knob and the ignition control board of the kitchen range and switching on the power supply, then manually rotating the ignition knob, manually observing whether the ignition needle discharges and manually observing whether the gas electromagnetic valve acts, wherein the process has the defects of low detection efficiency, more detection personnel, easy occurrence of manual misjudgment and the like, and in addition, the gas electromagnetic valve is required to be actually connected with a gas pipeline to realize the detection process of flame burning and flame extinction, so that the detection is troublesome and inconvenient.
Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.
Disclosure of Invention
The invention overcomes the defects of the technology, and provides a testing device and a testing method for a stove ignition control board, which are convenient for realizing automatic testing after connection.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a cooking utensils ignition control board testing arrangement, including control module 1, be used for the main power module 2 of testing arrangement main power supply, be used for with the direct current power supply input of being surveyed cooking utensils ignition control board electric connection's voltage output interface 3 for be used for with the ignition control signal input of being surveyed cooking utensils ignition control board electric connection's ignition control signal output interface 4, receive control module 1 control is used for through the controlled ignition switch 5 of ignition control signal output interface 4 output ignition control signal, be connected with on the main power module 2 direct current voltage generation module 21 for the test, direct current voltage generation module 21 for the test is controlled by control module 1 is used for generating the direct current operating voltage for the test of being surveyed cooking utensils ignition control board, be connected with on control module 1 through voltage output interface 3 for the test and control the ignition control board, still be connected with control input module, state display module 7, gas solenoid state detection module 9 and controlled analog flame combustion feedback signal generation module 10, gas solenoid state detection module 8 is used for detecting and being connected with on being surveyed cooking utensils ignition control board ignition control signal feedback control module 9 and being surveyed the ignition control signal analog flame combustion feedback control board and stop the flame combustion control module 10 at the end is surveyed cooking utensils ignition control board and is surveyed the ignition control signal and is surveyed the control by the control board and is surveyed the control to the control and is surveyed the control by the control to the flame control and is surveyed the control to the control.
As described above, the dc voltage generating module 21 for testing includes a nominal dc voltage generating module 211 for testing the nominal dc operating voltage for testing the ignition control board of the tested oven and a lower dc voltage generating module 212 for generating the lower dc operating voltage for testing the ignition control board of the tested oven, and the output end of the nominal dc voltage generating module 211 for testing and the output end of the lower dc voltage generating module 212 for testing are electrically connected to the voltage output interface 3 for testing through a voltage switching output controlled switch module 213 controlled by the control module 1.
The gas electromagnetic valve state detection module 8 comprises a micro switch 81 for detecting the valve suction action of the gas electromagnetic valve, a strong suction voltage detection interface 82 for being connected with a strong suction voltage detection signal connection end on the gas electromagnetic valve, a strong suction voltage detection module 83 for detecting the strong suction voltage of the gas electromagnetic valve through the strong suction voltage detection interface 82, a maintenance voltage detection interface 84 for being connected with a maintenance voltage detection signal connection end on the gas electromagnetic valve, and a maintenance voltage detection module 85 for detecting the maintenance voltage of the gas electromagnetic valve through the maintenance voltage detection interface 84, wherein a detection signal output end of the micro switch 81 is electrically connected with the control module 1 through a signal conversion module 86, and a detection signal output end of the strong suction voltage detection module 83 and a detection signal output end of the maintenance voltage detection module 85 are respectively electrically connected with the control module 1.
According to the testing device for the ignition control board of the kitchen range, the ignition needle state detection module 9 comprises the discharge induction needle 91 for detecting the discharge frequency of the ignition needle, the discharge induction needle 91 is electrically connected with the control module 1 through the frequency detection module 92, and the negative electrode input end of the frequency detection module 92 is commonly connected with the ignition control board of the kitchen range to be tested.
The controlled simulated flame combustion feedback signal generation module 10 comprises a load resistor, a controlled relay and a forward diode, wherein the load resistor, the controlled relay and the forward diode are used for being connected in series between a flame detection feedback connection end of a detected stove ignition control board and a ground end of the detected stove ignition control board, and a control signal input end of the controlled relay is electrically connected with the control module 1.
According to the testing device for the ignition control board of the kitchen range, the ignition control board of the kitchen range to be tested is a double ignition control board for a double stove, and the ignition control signal output interface 4, the controlled ignition switch 5, the ignition needle state detection module 9 and the controlled simulated flame combustion feedback signal generation module 10 are respectively two.
The scheme also protects a testing method of the testing device of the stove ignition control board, and the testing method comprises the following steps:
Step 701, connecting the tested stove ignition control board, the ignition needle, the gas electromagnetic valve and the circuit of the testing device by a tester, and then inputting a testing starting instruction to the control module 1 through the control input module and displaying related working states through the state display module 7;
Step 702, the control module 1 switches the output controlled switch module 213 to act through the control voltage so as to make the testing device output a direct current voltage for testing to the ignition control board of the tested kitchen range;
Step 703, the control module 1 inputs an ignition signal to an ignition control signal input end of an ignition control board of the tested kitchen range through the controlled ignition switch 5 and the ignition control signal output interface 4;
step 704, the control module 1 detects whether the ignition working state of the ignition needle meets the requirement through the ignition needle state detection module 9 and detects whether the valve suction working state of the gas electromagnetic valve meets the requirement through the gas electromagnetic valve state detection module 8;
Step 705, the control module 1 controls the controlled simulated flame combustion feedback signal generating module 10 to output a simulated flame combustion feedback signal to the flame detection feedback connection end of the ignition control board of the tested kitchen range, and then detects whether the ignition needle stops igniting or not through the ignition needle state detecting module 9;
In step 706, the control module 1 controls the controlled simulated flame combustion feedback signal generating module 10 to stop outputting the simulated flame combustion feedback signal, and then detects whether the gas solenoid valve is successfully opened within a plurality of times through the gas solenoid valve state detecting module 8.
The test method of the test device for the ignition control board of the kitchen range as described above specifically comprises the following steps in step 704:
The control module 1 detects whether the ignition needle is in discharge ignition or not and whether the discharge frequency meets the requirement or not through a discharge induction needle 91 and a frequency detection module 92 on the ignition needle state detection module 9; the control module 1 detects whether the gas solenoid valve has a valve suction action through the micro switch 81 and the signal conversion module 86 on the gas solenoid valve state detection module 8, detects whether the strong suction voltage on the gas solenoid valve meets the requirement through the strong suction voltage detection module 83 and the strong suction voltage detection interface 82, and detects whether the maintenance voltage on the gas solenoid valve meets the requirement through the maintenance voltage detection module 85 and the maintenance voltage detection interface 84.
In the test method of the test device for the ignition control board of the kitchen range, in the step 703, the maximum time length of the control module 1 for controlling the controlled ignition switch 5 to be turned on is within T1 seconds, in the step 705, the control module 1 controls the controlled simulated flame burning feedback signal generating module 10 to start outputting the simulated flame burning feedback signal to the flame detection feedback connection end of the ignition control board of the kitchen range to be tested, and the time point of the control module 1 controls the controlled ignition switch 5 to be turned on is within T2 seconds, wherein 0 < T2 < T1.
The test method of the test device for the ignition control board of the kitchen range as described above further comprises the following steps: the control module 1 controls the test dc voltage generating module 21 to output another test voltage, and then executes steps 702, 703, 704, 705, and 706.
Compared with the prior art, the invention has the beneficial effects that:
1. The control module of the testing device inputs an ignition signal to the ignition control signal input end of the ignition control panel of the tested kitchen range through the controlled ignition switch and the ignition control signal output interface, so that the operation process of connecting an ignition knob on the ignition control panel of the tested kitchen range, manually turning on the ignition knob and then manually turning on the ignition knob and subsequently manually turning on the ignition knob to close the ignition knob is omitted, the testing is more convenient, and the testing device has outstanding substantive characteristics and remarkable progress; the control module is connected with the control input module, the state display module, the gas electromagnetic valve state detection module and the ignition needle state detection module, so that the driving control capability of the ignition control panel of the tested stove on the gas electromagnetic valve and the ignition needle can be conveniently detected; in addition, the test device also comprises a controlled simulated flame combustion feedback signal generating module which is controlled by the control module and used for outputting or stopping outputting a simulated flame combustion feedback signal to the flame detection feedback connecting end of the ignition control board of the tested stove so as to enable the ignition control board of the tested stove to simulate and detect the combustion of gas flame or enable the ignition control board of the tested stove to simulate and detect the extinction of gas flame.
2. The direct current voltage generating module for testing comprises a nominal direct current voltage generating module for testing, a lower limit direct current voltage generating module for testing and a voltage output interface for testing, so as to output the nominal direct current voltage for testing or the lower limit direct current voltage for testing to the ignition control board of the tested kitchen range.
3. The device for testing the performance of the ignition control board of the tested kitchen range comprises the capability of testing the driving control gas electromagnetic valve, the state detection module of the gas electromagnetic valve detects whether the gas electromagnetic valve has a valve sucking action under the driving control of the ignition control board of the tested kitchen range through the micro switch, and whether the output voltage of the ignition control board of the tested kitchen range to the gas electromagnetic valve meets the requirement is detected through the strong voltage-sucking detection interface, the strong voltage-sucking detection module, the maintenance voltage-maintaining detection interface and the maintenance voltage-maintaining detection module.
4. The device for testing the performance of the ignition control board of the tested kitchen range comprises the capability of testing the ignition control board of the tested kitchen range to control the ignition of the ignition needle, and the ignition needle state detection module detects whether the ignition control board of the tested kitchen range controls the ignition needle to discharge and whether the discharge frequency meets the requirements or not through the discharge induction needle and the frequency detection module.
5. When the tested stove ignition control board, the ignition needle, the gas electromagnetic valve and the circuit of the testing device are well connected and after a test starting instruction is input to the control module through the control input module, the follow-up testing steps are displayed by adopting the state display module through the automatic control test and test states, the ignition control board does not need to manually rotate the ignition knob, manually observe whether the ignition needle discharges or not and manually observe whether the gas electromagnetic valve acts or not, the test is convenient and practical, the control module outputs or stops outputting a simulated flame combustion feedback signal to the flame detection feedback connecting end of the tested stove ignition control board through the control of the controlled simulated flame combustion feedback signal generating module, so that the tested stove ignition control board can simulate to detect the combustion of the gas flame or the tested stove ignition control board can simulate to extinguish the gas flame, the follow-up testing steps are convenient to detect whether the ignition control board of the tested stove can control the ignition needle to stop igniting after the successful ignition of the gas, the tested stove ignition control board can control the gas electromagnetic valve to break off and break the connection through the gas electromagnetic valve state detection module, the safety detection of the ignition control board of the tested stove ignition control board has outstanding substantive characteristics, the test is realized, the test is more convenient and the test is more convenient, the test is convenient and the test is realized, and the flame is more has outstanding and has the advantages.
6. Following step 706 is also step 707: the control module controls the direct-current voltage generating module for testing to output another testing voltage, and then executes the steps 702, 703, 704, 705 and 706, so that the quick test of the same tested stove ignition control board under the working condition of different testing voltages is realized, and the testing mode is more comprehensive.
Drawings
Fig. 1 is a block diagram of the structure of the present case.
Fig. 2 is a circuit diagram of the control module of the present case. .
Fig. 3 is a circuit diagram of the main power module of the present case. .
Fig. 4 is a circuit diagram of the nominal dc voltage generation module for test, the lower limit dc voltage generation module for test, the voltage switching output controlled switch module, and the voltage output interface for test.
Fig. 5 is a circuit diagram of the status display module.
Fig. 6 is a circuit diagram of the micro switch and the signal conversion module.
Fig. 7 is a circuit diagram of the strong pull-in voltage magnitude detection interface, the sustain voltage magnitude detection interface, the strong pull-in voltage magnitude detection module, and the sustain voltage magnitude detection module.
Fig. 8 is a circuit diagram of the controlled ignition switch and the ignition control signal output interface.
Fig. 9 is yet another circuit diagram of the controlled ignition switch, ignition control signal output interface of the present disclosure.
Fig. 10 is a circuit diagram of the ignition needle state detection module, the ignition control board of the tested kitchen range and the ignition needle.
FIG. 11 is a second circuit diagram of the ignition needle status detection module, the ignition control board of the tested kitchen range and the ignition needle.
Detailed Description
The following examples are provided to illustrate the features of the present invention and other related features in further detail to facilitate understanding by those skilled in the art:
As shown in fig. 1, the testing device for the ignition control board of the kitchen range comprises a control module 1, a main power module 2 for main power supply of the testing device, a voltage output interface 3 for testing, which is electrically connected with a direct current power supply input end of the ignition control board of the kitchen range to be tested, an ignition control signal output interface 4 for electrically connecting with an ignition control signal input end of the ignition control board of the kitchen range to be tested, a controlled ignition switch 5 controlled by the control module 1 and used for outputting an ignition control signal through the ignition control signal output interface 4, wherein the main power module 2 is connected with a direct current voltage generating module 21 for testing, the direct current voltage generating module 21 for testing is controlled by the control module 1 and used for generating a direct current working voltage for testing the ignition control board of the kitchen range to be tested, the control module 1 is also connected with a control input module, a state display module 7, a gas solenoid state detection module 8, an ignition needle state detection module 9 and a controlled analog flame combustion feedback signal generating module 10, the gas solenoid state detection module 8 is used for detecting connection with the ignition control board to be tested, and the ignition control board is connected with the analog flame feedback control module 10 for generating a flame combustion feedback signal at the ignition control board to be tested, and the ignition control board for testing the ignition control board of the kitchen range to be tested is connected with the analog flame feedback control module under the state of the ignition control board to be tested.
As described above, the control module 1 of the testing device inputs the ignition signal to the ignition control signal input end of the ignition control board of the tested kitchen range through the controlled ignition switch 5 and the ignition control signal output interface 4, so that the operation process of connecting the ignition knob on the ignition control board of the tested kitchen range, manually turning on the ignition knob and subsequently manually turning on the ignition knob to close the ignition knob is omitted, the testing is more convenient, and the testing device has outstanding substantive characteristics and remarkable progress; the control module 1 is connected with a control input module, a state display module 7, a gas electromagnetic valve state detection module 8 and an ignition needle state detection module 9, so that the driving control capability of an ignition control panel of the tested stove on the gas electromagnetic valve and the ignition needle can be conveniently detected; in addition, the test device further comprises a controlled simulated flame combustion feedback signal generating module 10 which is controlled by the control module 1 and used for outputting or stopping outputting a simulated flame combustion feedback signal to the flame detection feedback connecting end of the ignition control board of the tested stove so as to enable the ignition control board of the tested stove to simulate and detect the combustion of gas flame or enable the ignition control board of the tested stove to simulate and detect the extinction of gas flame, so that the test device is beneficial to the safe detection of the ignition control board of the tested stove by controlling the controlled simulated flame combustion feedback signal generating module 10 to output the simulated flame combustion feedback signal to the flame detection feedback connecting end of the ignition control board of the tested stove, then detecting whether the ignition control board of the tested stove can control the ignition needle to stop igniting after the successful ignition of the gas is successful or not through the ignition needle state detecting module 9, and detecting whether the ignition feedback signal of the tested stove can control the gas electromagnetic valve to drop after the ignition control board of the gas flame is extinguished through the electromagnetic valve state detecting module 8.
As described above, as shown in fig. 4, the dc voltage generating module 21 for testing includes a nominal dc voltage generating module 211 for testing a nominal dc operating voltage for testing an ignition control board of a tested stove and a lower dc voltage generating module 212 for generating a lower dc operating voltage for testing an ignition control board of a tested stove, and the output end of the nominal dc voltage generating module 211 for testing and the output end of the lower dc voltage generating module 212 for testing are electrically connected to the voltage output interface 3 for testing through a voltage switching output controlled switch module 213 controlled by the control module 1.
As described above, the dc voltage generating module 21 for test includes the nominal dc voltage generating module 211 for test, the lower limit dc voltage generating module 212 for test, and the voltage output interface 3 for test to output the nominal dc voltage for test or the lower limit dc voltage for test to the ignition control board of the tested kitchen range, which simulates the actual situation that the full battery and the low battery supply power to the ignition control board of the kitchen range in the use process, and is beneficial to the electromagnetic valve state detecting module 8 and the ignition needle state detecting module 9 to test whether the working states of the ignition control board of the tested kitchen range respectively meet the requirements or not.
As described above, in the embodiment shown in fig. 6 and 7, the gas solenoid valve state detection module 8 includes a micro switch 81 for detecting the valve suction of the gas solenoid valve, a strong suction voltage magnitude detection interface 82 for connecting with a strong suction voltage detection signal connection end on the gas solenoid valve, a strong suction voltage magnitude detection module 83 for detecting the strong suction voltage magnitude on the gas solenoid valve through the strong suction voltage magnitude detection interface 82, a maintenance voltage magnitude detection interface 84 for connecting with a maintenance voltage detection signal connection end on the gas solenoid valve, and a maintenance voltage magnitude detection module 85 for detecting the maintenance voltage magnitude on the gas solenoid valve through the maintenance voltage magnitude detection interface 84, wherein the detection signal output end of the micro switch 81 is electrically connected with the control module 1 through a signal conversion module 86, and the detection signal output end of the strong suction voltage magnitude detection module 83 and the detection signal output end of the maintenance voltage magnitude detection module 85 are respectively electrically connected with the control module 1.
As described above, the performance of the present test device for testing the ignition control board of the tested stove comprises the capability of testing the driving control gas solenoid valve, the state detection module 8 of the present gas solenoid valve detects whether the gas solenoid valve has a valve suction action under the driving control of the ignition control board of the tested stove through the micro switch 81, and detects whether the output voltage of the ignition control board of the tested stove to the gas solenoid valve meets the requirement through the strong suction voltage detection interface 82, the strong suction voltage detection module 83, the maintenance voltage detection interface 84 and the maintenance voltage detection module 85.
As described above, in the embodiment shown in fig. 10, the ignition needle state detection module 9 includes a discharge sensing needle 91 for detecting the discharge frequency of the ignition needle, the discharge sensing needle 91 is electrically connected with the control module 1 through a frequency detection module 92, and the negative input end of the frequency detection module 92 is commonly connected with the ignition control board of the tested kitchen range.
As described above, the performance of the test device for testing the ignition control board of the tested kitchen range comprises the capability of testing the ignition control board of the tested kitchen range to control the ignition of the ignition needle, and the ignition needle state detection module 9 detects whether the ignition control board of the tested kitchen range controls the ignition needle to discharge and whether the discharge frequency meets the requirements or not through the discharge induction needle 91 and the frequency detection module 92, so that the test device can automatically detect the ignition control board of the tested kitchen range to drive and control the ignition needle to ignite, and the conditions of low detection efficiency and inaccurate data obtained when the ignition needle is observed manually are avoided.
As described above, in the embodiment shown in fig. 10, the controlled analog flame combustion feedback signal generating module 10 includes a load resistor, a controlled relay, and a forward diode, which are used to be connected in series between the flame detection feedback connection end of the ignition control board of the measured stove and the ground end of the ignition control board of the measured stove, and the control signal input end of the controlled relay is electrically connected to the control module 1, so that the control module 1 controls the on/off condition of the controlled relay to affect the voltage of the flame detection feedback connection end of the ignition control board of the measured stove, thereby making the ignition control board of the measured stove simulate to detect the combustion of the gas flame or making the ignition control board of the measured stove simulate to detect the extinction of the gas flame.
As described above, in the specific implementation, as shown in fig. 8, 9, 10 and 11, the detected stove ignition control board is a dual ignition control board for dual stoves, and the ignition control signal output interface 4, the controlled ignition switch 5, the ignition needle state detection module 9 and the controlled simulated flame combustion feedback signal generation module 10 are respectively two.
In specific implementation, as shown in fig. 10, the flame detection feedback connection ends of some detected stove ignition control boards are connected with the ignition needle connection ends thereof together, while as shown in fig. 11, relative to the ignition needle connection ends, some detected stove ignition control boards are additionally provided with independent flame detection feedback connection ends, and in specific test, wiring is performed according to actual conditions.
As described above, the scheme also protects a test method of the test device of the ignition control board of the kitchen range, which comprises the following steps:
the test method of the test device for the ignition control board of the kitchen range is characterized by comprising the following steps:
Step 701, connecting the tested stove ignition control board, the ignition needle, the gas electromagnetic valve and the circuit of the testing device by a tester, and then inputting a testing starting instruction to the control module 1 through the control input module and displaying related working states through the state display module 7;
Step 702, the control module 1 switches the output controlled switch module 213 to act through the control voltage so as to make the testing device output a direct current voltage for testing to the ignition control board of the tested kitchen range;
Step 703, the control module 1 inputs an ignition signal to an ignition control signal input end of an ignition control board of the tested kitchen range through the controlled ignition switch 5 and the ignition control signal output interface 4;
step 704, the control module 1 detects whether the ignition working state of the ignition needle meets the requirement through the ignition needle state detection module 9 and detects whether the valve suction working state of the gas electromagnetic valve meets the requirement through the gas electromagnetic valve state detection module 8;
Step 705, the control module 1 controls the controlled simulated flame combustion feedback signal generating module 10 to output a simulated flame combustion feedback signal to the flame detection feedback connection end of the ignition control board of the tested kitchen range, and then detects whether the ignition needle stops igniting or not through the ignition needle state detecting module 9;
In step 706, the control module 1 controls the controlled simulated flame combustion feedback signal generating module 10 to stop outputting the simulated flame combustion feedback signal, and then detects whether the gas solenoid valve is successfully opened within a plurality of times through the gas solenoid valve state detecting module 8.
As described above, when the tested stove ignition control board, the ignition needle, the gas electromagnetic valve and the circuit of the testing device are well connected and after the control input module inputs the start testing command to the control module 1, the subsequent testing steps are all displayed by adopting the automatic control testing and testing state display module 7, the manual rotation of the ignition knob, the manual observation of whether the ignition needle discharges and the manual observation of whether the gas electromagnetic valve acts are not needed, the testing is convenient and practical, the testing has outstanding substantive characteristics and remarkable progress, the control module 1 outputs or stops outputting the simulated flame combustion feedback signal to the flame detection feedback connection end of the tested stove ignition control board by controlling the controlled simulated flame combustion feedback signal generating module 10 so as to enable the tested stove ignition control board to simulate the detection of the combustion of the gas flame or enable the tested stove ignition control board to simulate the detection of the extinction of the gas flame, the gas electromagnetic valve ignition control board is convenient to detect whether the ignition needle can be controlled to stop igniting after the gas ignition is successful through the ignition needle state detection module 9 and to control the gas electromagnetic valve to drop the valve and disconnect through the gas electromagnetic valve state detection module 8 after the gas flame is extinguished, so that the safety detection of the gas electromagnetic valve ignition control board is realized, the detection process that the gas electromagnetic valve is connected with a gas pipeline to realize flame burning and flame extinguishing during the test is omitted, the test is more convenient and quick, and the device has outstanding substantive characteristics and remarkable progress.
As described above, in the implementation, in step 704, the method specifically includes the following steps:
The control module 1 detects whether the ignition needle is in discharge ignition or not and whether the discharge frequency meets the requirement or not through a discharge induction needle 91 and a frequency detection module 92 on the ignition needle state detection module 9; the control module 1 detects whether the gas solenoid valve has a valve suction action through the micro switch 81 and the signal conversion module 86 on the gas solenoid valve state detection module 8, detects whether the strong suction voltage on the gas solenoid valve meets the requirement through the strong suction voltage detection module 83 and the strong suction voltage detection interface 82, and detects whether the maintenance voltage on the gas solenoid valve meets the requirement through the maintenance voltage detection module 85 and the maintenance voltage detection interface 84.
As described above, in the implementation, in step 703, the maximum time period for which the control module 1 controls the controlled ignition switch 5 to be turned on is within T1 seconds, and in step 705, the time when the control module 1 controls the controlled simulated flame combustion feedback signal generating module 10 to start outputting the simulated flame combustion feedback signal to the flame detection feedback connection end of the ignition control board of the measured stove is within T2 seconds from when the control module 1 controls the controlled ignition switch 5 to be turned on, where 0 < T2 < T1. In this way, the condition of successful ignition of the gas flame is favorably simulated in the maximum time period T1 seconds when the controlled ignition switch 5 is turned on, so that whether the ignition needle can be controlled to stop ignition after the gas is successfully ignited or not can be detected by the ignition needle state detection module 9 in the follow-up tested stove ignition control panel.
As described above, in the specific implementation, step 707 follows step 706: the control module 1 controls the direct-current voltage generating module 21 for testing to output another testing voltage, and then executes the steps 702, 703, 704, 705 and 706, so that the quick test of the same tested stove ignition control board under the working condition of different testing voltages is realized, and the testing mode is more comprehensive.
As described above, the scheme protects a testing device and a testing method for a stove ignition control board, and all technical schemes which are the same as or similar to the scheme are shown to fall within the protection scope of the scheme.
Claims (8)
1. The utility model provides a cooking utensils ignition control board testing arrangement, characterized by includes control module (1), be used for the main power module (2) of testing arrangement main power supply, be used for with the direct current power supply input of being surveyed cooking utensils ignition control board electric connection's voltage output interface (3) for be used for with the ignition control signal input of being surveyed cooking utensils ignition control board electric connection's ignition control signal output interface (4), receive control module (1) control be used for through ignition control signal output interface (4) control ignition switch (5) of being controlled, be connected with on the main power module (2) direct current voltage generation module (21) for the test, direct current voltage generation module (21) for the test is used for generating the direct current operating voltage of being surveyed ignition control board test by control module (1), direct current voltage generation module (21) for the test is through voltage output interface (3) for the power supply to be surveyed ignition control board, control module (1) are connected with still and are controlled input module, state display module (7), gas solenoid valve state detection module (8), ignition needle state detection module (9) and controlled fuel gas solenoid valve state detection module (10) are used for the flame state detection of being surveyed cooking utensils ignition control board control module (10), the ignition needle state detection module (9) is used for detecting the working state of an ignition needle connected to an ignition control board of the tested kitchen range, and the controlled simulated flame combustion feedback signal generation module (10) is used for outputting or stopping outputting a simulated flame combustion feedback signal to a flame detection feedback connection end of the ignition control board of the tested kitchen range under the control of the control module (1);
the ignition needle state detection module (9) comprises a discharge induction needle (91) for detecting the discharge frequency of the ignition needle, the discharge induction needle (91) is electrically connected with the control module (1) through the frequency detection module (92), and the negative electrode input end of the frequency detection module (92) is commonly connected with an ignition control board of a tested kitchen range;
The controlled simulated flame combustion feedback signal generation module (10) comprises a load resistor, a controlled relay and a forward diode, wherein the load resistor, the controlled relay and the forward diode are used for being connected in series between a flame detection feedback connection end of an ignition control board of a tested stove and a grounding end of the ignition control board of the tested stove, and a control signal input end of the controlled relay is electrically connected with the control module (1).
2. The device for testing the ignition control board of the kitchen range according to claim 1, wherein the direct current voltage generating module (21) for testing comprises a nominal direct current voltage generating module (211) for testing nominal direct current working voltage for testing the ignition control board of the kitchen range to be tested and a lower limit direct current voltage generating module (212) for testing lower limit direct current working voltage for testing the ignition control board of the kitchen range to be tested, and the output end of the nominal direct current voltage generating module (211) for testing and the output end of the lower limit direct current voltage generating module (212) for testing are electrically connected with the voltage output interface (3) for testing through a voltage switching output controlled switch module (213) controlled by the control module (1).
3. The device for testing the ignition control board of the kitchen range according to claim 1, wherein the gas electromagnetic valve state detection module (8) comprises a micro switch (81) for detecting the valve suction action of the gas electromagnetic valve, a strong suction voltage magnitude detection interface (82) for being connected with a strong suction voltage detection signal connection end on the gas electromagnetic valve, a strong suction voltage magnitude detection module (83) for detecting the strong suction voltage magnitude on the gas electromagnetic valve through the strong suction voltage magnitude detection interface (82), a maintenance voltage magnitude detection interface (84) for being connected with a maintenance voltage detection signal connection end on the gas electromagnetic valve, and a maintenance voltage magnitude detection module (85) for detecting the maintenance voltage magnitude on the gas electromagnetic valve through the maintenance voltage magnitude detection interface (84), wherein a detection signal output end of the micro switch (81) is electrically connected with the control module (1) through a signal conversion module (86), and a detection signal output end of the strong suction voltage magnitude detection module (83) and a detection signal output end of the maintenance voltage magnitude detection module (85) are respectively electrically connected with the control module (1).
4. The device for testing the ignition control board of the kitchen range according to any one of claims 1 to 3 is characterized in that the ignition control board of the kitchen range to be tested is a double ignition control board for a double stove, and the ignition control signal output interface (4), the controlled ignition switch (5), the ignition needle state detection module (9) and the controlled simulated flame combustion feedback signal generation module (10) are respectively two.
5. The test method of the test device for the ignition control board of the kitchen range is characterized by comprising the following steps:
Step 701, connecting the tested stove ignition control board, the ignition needle, the gas electromagnetic valve and the circuit of the testing device by a tester, and then inputting a testing starting instruction to the control module (1) through the control input module and displaying related working states through the state display module (7);
Step 702, the control module (1) switches and outputs the action of the controlled switch module (213) through control voltage so as to enable the test device to output a direct current voltage for testing to the ignition control board of the tested kitchen range;
703, the control module (1) inputs an ignition signal to an ignition control signal input end of an ignition control panel of the tested kitchen range through a controlled ignition switch (5) and an ignition control signal output interface (4);
Step 704, the control module (1) detects whether the ignition working state of the ignition needle meets the requirement through the ignition needle state detection module (9) and detects whether the suction valve working state of the gas electromagnetic valve meets the requirement through the gas electromagnetic valve state detection module (8);
Step 705, the control module (1) controls the controlled simulated flame combustion feedback signal generating module (10) to output a simulated flame combustion feedback signal to the flame detection feedback connection end of the ignition control board of the tested kitchen range, and then the ignition needle state detecting module (9) detects whether the ignition needle stops igniting;
And 706, the control module (1) controls the controlled simulated flame combustion feedback signal generation module (10) to stop outputting the simulated flame combustion feedback signal, and then the gas electromagnetic valve state detection module (8) detects whether the gas electromagnetic valve is successfully opened in a plurality of times.
6. The method of claim 5, wherein in step 704, the method further comprises:
The control module (1) detects whether the ignition needle is in discharge ignition or not and whether the discharge frequency meets the requirements or not through a discharge induction needle (91) and a frequency detection module (92) on the ignition needle state detection module (9); the control module (1) detects whether the gas electromagnetic valve has a valve suction action through the micro switch (81) and the signal conversion module (86) on the gas electromagnetic valve state detection module (8), detects whether the strong suction voltage on the gas electromagnetic valve meets the requirement through the strong suction voltage detection module (83) and the strong suction voltage detection interface (82), and detects whether the maintenance voltage on the gas electromagnetic valve meets the requirement through the maintenance voltage detection module (85) and the maintenance voltage detection interface (84).
7. The method according to claim 5, wherein in step 703, the maximum duration of the control module (1) controlling the controlled ignition switch (5) to be turned on is within T1 seconds, and in step 705, the control module (1) controls the controlled analog flame combustion feedback signal generating module (10) to start outputting the analog flame combustion feedback signal to the flame detection feedback connection end of the detected stove ignition control board, and the time when the control module (1) controls the controlled ignition switch (5) to be turned on is within T2 seconds, wherein 0 < T2 < T1.
8. The method for testing a fire control panel testing device for a kitchen range according to any one of claims 5-7, further comprising step 707 after step 706: the control module (1) controls the test dc voltage generating module (21) to output another test voltage, and then executes steps 702, 703, 704, 705, and 706.
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| CN108872836B (en) * | 2018-07-09 | 2021-10-08 | 深圳市合信达控制系统有限公司 | Method and device for detecting electromagnetic radiation resistance of control panel |
| CN110082619B (en) * | 2019-04-24 | 2020-02-21 | 重庆斯微奇电子技术有限公司 | Initiating explosive device detection system and detection method |
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