CN109298315A - A kind of full-automatic detection circuit of oven power panel and its detection method - Google Patents
A kind of full-automatic detection circuit of oven power panel and its detection method Download PDFInfo
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- CN109298315A CN109298315A CN201811158652.2A CN201811158652A CN109298315A CN 109298315 A CN109298315 A CN 109298315A CN 201811158652 A CN201811158652 A CN 201811158652A CN 109298315 A CN109298315 A CN 109298315A
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- circuit
- detection
- mcu
- power panel
- display screen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention includes a kind of full-automatic detection circuit of oven power panel, it include governor circuit, the governor circuit connects display circuit, buzz circuit, communicating circuit and relay contact analog control system circuit, the present invention, which can substitute, manually carries out detection judgement, when detection oven power panel when something goes wrong, the buzzer of detection circuit can automatically carry out long time of alarm, and worker is notified further to be detected, artificially judged so as to avoid worker, improves the accuracy of detection efficiency and detection.
Description
Technical field
The present invention relates to the full-automatic detection circuit of oven power panel and its detection methods.
Background technique
Oven is a kind of electric appliance for roast food of sealing, and oven power panel is for controlling the most important of oven function
Circuit board, oven factory before require to detect power panel, see whether the function of power panel is all up, and
At present detection be all manually to be detected, each single item index is all manually to be judged, due to worker by educational background and
Emotion influence often judges incorrectly, and qualification rate is caused to substantially reduce, and it is also not high to work at the same time efficiency, constrains oven significantly
Production efficiency and qualification rate.
Summary of the invention
In view of the above-mentioned state of the art, the invention patent the technical problem to be solved is that: one kind is provided and is able to achieve
The detection circuit and its detection method of full-automatic detection oven power panel.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows: a kind of full-automatic detection circuit of oven power panel,
It include governor circuit, which connects display circuit, buzz circuit, communicating circuit and relay contact analog control system circuit.
Further, the governor circuit includes MCU, and the display circuit includes digital display screen, the buzzing
Circuit includes buzzer, and the relay contact analog control system circuit includes LED light.
A kind of full-automatic detection method of oven power panel, the detection method includes following steps:
A, oven power panel sends MCU for version number by communicating circuit, as inconsistent in issued program in version number and MCU,
Digital display screen shows that E1, buzzer long time of alarm carry out next step detection if version number is consistent with program is issued；
B, communicating circuit sends test patterns and receives test patterns to MCU, such as MCU, then carries out next step detection；If MCU is not received
To test patterns, digital display screen shows E7, buzzer long time of alarm；
C, temp probe connects precision resistance in tooling, converts analog signals into digital signal, and will be digital by communicating circuit
Signal is transferred in MCU, temperature AD value in detection, if AD value is 126-136, carries out next step detection；If it exceeds model
It encloses, digital display screen shows E2, buzzer long time of alarm；
D, temp probe connects precision resistance in tooling, converts analog signals into digital signal, and will be digital by communicating circuit
Signal is transferred in MCU, is detected lower temperature AD value if AD value is 22-32 and is carried out next step detection；If it exceeds range,
Digital display screen shows E3, buzzer long time of alarm；
E, power panel voltage AD value is detected, if AD is 790-810, carries out next step detection；If it exceeds range, number is aobvious
Display screen shows E4, buzzer long time of alarm；
F, it includes 7 tunnels that relay contact analog control system circuit, which has altogether, and interior heating, upper external heat, back heating, bottom add on test oven respectively
Heat, circulating fan, air-heater and headlamp successively detect 7 drive test examination circuit.
Compared with prior art, beneficial effects of the present invention are as follows: the present invention, which can substitute, manually carries out detection judgement, when
When something goes wrong, the buzzer of detection circuit can automatically carry out long time of alarm to the oven power panel of detection, and worker is notified to carry out
Further detection, is artificially judged so as to avoid worker, improves the accuracy of detection efficiency and detection.
Detailed description of the invention
Fig. 1 is governor circuit of the present invention；
Fig. 2 is that the invention shows circuits；
Fig. 3 is that the invention shows circuits；
Fig. 4 is buzz circuit of the present invention；
Fig. 5 is communicating circuit of the present invention.
Specific embodiment
A kind of full-automatic detection circuit of oven power panel, includes governor circuit, which connects display circuit, bee
Ring circuit, communicating circuit and relay contact analog control system circuit, governor circuit include MCU, and display circuit includes digital display screen,
Buzz circuit includes buzzer, and relay contact analog control system circuit includes LED light.
MCU model R5F100FCAFP#X0, wherein 39,40 and 41 feet connect display circuit, 29,30 feet connect communicating circuit,
32 feet connect buzz circuit, and 16-22 foot contact relay tests circuit, and oven power panel first is sent version number by communicating circuit
Judged to MCU, MCU, is carried out if version number is consistent with program is issued in next step, it is digital if version number is inconsistent
Display screen shows that E1, buzzer yowl；
Subsequently, communicating circuit sends test patterns 0x8c 0x04 0x3c 0xcc, if MCU receives 0x8d 0x03 0x27
0xb7 is then carried out in next step, and otherwise digital display screen shows that E7, buzzer yowl；
Subsequently, due in tooling temp probe connect precision resistance, the temperature transition that can be will test is led at digital signal
Communicating circuit is crossed by digital data transmission into MCU, precision resistance is 1.5K positive and negative 1%, if the AD value of transmission is 126-136,
Then carry out next step detection；If it exceeds this range, then digital display screen shows E2, buzzer long time of alarm；
Similarly, temp probe connects precision resistance under tooling, if the AD value of transmission is 22-32, carries out next step detection；Such as
Fruit is overruned, and digital display screen shows E3, buzzer long time of alarm；
Subsequently, power panel AD value is detected, if AD is 790-810, carries out next step detection；If it exceeds range, digital
Display screen shows E4, buzzer long time of alarm.
All be that detection is performed fully automatic above, do not need manually to go to see AD value, so as to greatly improve detection efficiency and
Detect correctness.
Finally detect each function key relay whether normal use, by by relay connect relay contact analog control system electricity
Road, relay contact analog control system circuit connection MCU and light bulb, it is only necessary to the light emitting diode of relay contact analog control system circuit is connected, light bulb is shinny,
Then relay is normal, if light bulb does not work, relay is abnormal, to achieve the purpose that detection.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of full-automatic detection circuit of oven power panel, which is characterized in that include governor circuit, governor circuit connection is aobvious
Show circuit, buzz circuit, communicating circuit and relay contact analog control system circuit.
2. a kind of full-automatic detection circuit of oven power panel according to claim 1, which is characterized in that the governor circuit
It include MCU, the display circuit includes digital display screen, and the buzz circuit includes buzzer, and the relay is surveyed
Trying circuit includes light emitting diode.
3. a kind of full-automatic detection method of oven power panel, which is characterized in that the detection method includes following steps:
A, oven power panel sends MCU for version number by communicating circuit, as inconsistent in issued program in version number and MCU,
Digital display screen shows that E1, buzzer long time of alarm carry out next step detection if version number is consistent with program is issued；
B, communicating circuit sends test patterns and receives test patterns to MCU, such as MCU, then carries out next step detection；If MCU is not received
To test patterns, digital display screen shows E7, buzzer long time of alarm；
C, temp probe connects precision resistance in tooling, converts analog signals into digital signal, and will be digital by communicating circuit
Signal is transferred in MCU, temperature AD value in detection, if AD value is 126-136, carries out next step detection；If it exceeds model
It encloses, digital display screen shows E2, buzzer long time of alarm；
D, temp probe connects precision resistance in tooling, converts analog signals into digital signal, and will be digital by communicating circuit
Signal is transferred in MCU, is detected lower temperature AD value if AD value is 22-32 and is carried out next step detection；If it exceeds range,
Digital display screen shows E3, buzzer long time of alarm；
E, power panel voltage AD value is detected, if AD is 790-810, carries out next step detection；If it exceeds range, number is aobvious
Display screen shows E4, buzzer long time of alarm；
F, it includes 7 tunnels that relay contact analog control system circuit, which has altogether, and interior heating, upper external heat, back heating, bottom add on test oven respectively
Heat, circulating fan, air-heater and headlamp successively detect 7 drive test examination circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811158652.2A CN109298315B (en) | 2018-09-30 | 2018-09-30 | Full-automatic detection circuit and detection method for oven power panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811158652.2A CN109298315B (en) | 2018-09-30 | 2018-09-30 | Full-automatic detection circuit and detection method for oven power panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109298315A true CN109298315A (en) | 2019-02-01 |
| CN109298315B CN109298315B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811158652.2A Active CN109298315B (en) | 2018-09-30 | 2018-09-30 | Full-automatic detection circuit and detection method for oven power panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045270A (en) * | 2019-05-11 | 2019-07-23 | 宁波吉田智能洁具科技有限公司 | Integral type detects encapsulating line |
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| CN109298315B (en) | 2021-05-18 |
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