CN106970608A - A kind of gas fired water heater main controller automatic test fixture and method of testing - Google Patents
A kind of gas fired water heater main controller automatic test fixture and method of testing Download PDFInfo
- Publication number
- CN106970608A CN106970608A CN201710214766.3A CN201710214766A CN106970608A CN 106970608 A CN106970608 A CN 106970608A CN 201710214766 A CN201710214766 A CN 201710214766A CN 106970608 A CN106970608 A CN 106970608A
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- gas heater
- main controller
- valve
- signal
- gas
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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
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses a kind of gas fired water heater main controller automatic test fixture and method of testing, wherein automatic test fixture is communicated to connect with gas heater, and the automatic test fixture includes：Detection unit, for detecting the electric current and voltage of each device work in the gas heater, and exports testing result；Control unit, corresponding display signal is sent for receiving the testing result that the detection unit is sent, and according to testing result；And send corresponding control signal for simulating the workflow of gas heater, and to gas heater main controller；Display unit, the display signal sent for reception control unit, and corresponding information is shown according to display signal.The present invention realizes the automatic test of gas heater main controller, improves testing efficiency and accuracy rate.
Description
Technical field
The present invention relates to gas heater main controller technical field of measurement and test, more particularly to a kind of gas fired water heater master
Control device automatic test fixture and method of testing.
Background technology
Gas heater is also known as gas water-heating furnace, and it refers to using combustion gas as fuel, by combustion heating mode, by heat
It is delivered in the cold water for flowing through heat exchanger, to reach a kind of gas appliance for preparing hot water purpose.With expanding economy, combustion
Gas water heater has become electric equipment essential in many families.
As other equipment, the quality of gas heater affects the usage experience of people, therefore in the needs pair that dispatch from the factory
Gas heater is tested.The method of testing of current gas heater main controller uses each cross-talk voltage of manual observation, electric current,
There is inefficiency, the problems such as easy missing inspection and fine error can not be found in time.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of automation of gas fired water heater main controller
Test fixture and method of testing, realize the automatic test of gas heater main controller, improve testing efficiency and accuracy rate.
The purpose of the present invention is achieved through the following technical solutions：
A kind of gas fired water heater main controller automatic test fixture, is communicated to connect with gas heater, and the automation is surveyed
Trial work dress includes：
Detection unit, for detecting the electric current and voltage of each device work in the gas heater, and exports testing result；
Control unit, corresponding display is sent for receiving the testing result that the detection unit is sent, and according to testing result
Signal；And send corresponding control signal for simulating the workflow of gas heater, and to gas heater main controller；
Display unit, the display signal sent for reception control unit, and corresponding information is shown according to display signal.
It is preferred that, the detection unit includes：
Voltage detection module, the voltage for detecting each device work in the gas heater, and output voltage testing result；
Current detection module, the electric current for detecting each device work in the gas heater, and output electric current measure result.
It is preferred that, the device work is included in blower fan, self-priming valve, sectioning valve, gas proportioning valve and water proportioning valve at least
It is a kind of.
It is preferred that, the display unit includes：
First indicator lamp, for being lighted when testing result is normal according to display signal；
Second indicator lamp, for being lighted when testing result is abnormal according to display signal；
Charactron, for showing failure code according to display signal when testing result is abnormal.
It is preferred that, described control unit includes：
Temperature control modules, the leaving water temperature for sending Signal Regulation gas heater to the gas heater main controller；
Water signal imitation module, for sending water signal to the gas heater main controller, and adjusts the water signal
Simulate water；
Switch control module, for the gas heater main controller send signal control gas heater ignition switch and
Meet the opening and closing of fire switch；
Judge module, for whether within a preset range to judge electric current and voltage according to the testing result of detection unit；
Display module, for sending corresponding display signal according to the result of judge module.
A kind of method of testing of gas fired water heater main controller automatic jig described above, including：
S1. the leaving water temperature of gas heater is modulated highest by control unit to gas heater main controller transmission signal, then
Simulation water signal is sent to main controller；
S2. aerator supervision：Detect gas heater in blower fan voltage whether within a preset range, if the voltage of the blower fan
Within a preset range, then S3 is performed, if the voltage of the blower fan not within a preset range, performs S11；
S3. control unit sends signal to gas heater main controller and opens ignition switch in gas heater, waits sparking；
S4. valve detection：Whether within a preset range the voltage and current of valve in gas heater is detected, if the valve
Voltage and current within a preset range, then performs S5, otherwise performs S11；
S5. judge whether valve detection number of times reaches threshold value, perform S6 if valve detection number of times reaches threshold value, otherwise perform
S4；
S6. control unit sends signal to gas heater main controller and opens gas heater chance fire switch；
S7. meet fire success after, detection gas heater in valve voltage and current whether within a preset range, if the valve
Voltage and current within a preset range, then perform S8, otherwise perform S11；
S8. control unit the simulation water of simulation water signal is adjusted to it is minimum, then to gas heater main controller send signal
The leaving water temperature modulation of gas heater is minimum；
S9. detection gas heater in valve voltage and current whether within a preset range, if the voltage and electricity of the valve
Stream within a preset range, then performs S10, otherwise performs S11；
S10. test is terminated, and shows test normal code；
S11. test is terminated, and shows failure code.
It is preferred that, the threshold value of valve detection is three times in the S5.
It is preferred that, valve is included in self-priming valve, sectioning valve, gas proportioning valve and water proportioning valve extremely in the gas heater
Few one kind.
The beneficial effects of the invention are as follows：Workflow of the invention by automatic imitation gas heater, and to combustion gas heat
Hydrophone is detected, is shown after handling testing result, is realized the automatic test of gas heater, is improved
Testing efficiency, accuracy rate and measuring accuracy.
Brief description of the drawings
Fig. 1 is the schematic block diagram of one embodiment of gas heater main controller automatic test fixture in the present invention；
Fig. 2 is the schematic flow sheet of one embodiment of method of testing in the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in figure 1, a kind of gas fired water heater main controller automatic test fixture, with gas heater communication link
Connect, the automatic test fixture includes fan of gas water heater, gas heater valve, detection unit, control unit and shown
Show unit, the data input pin of described control unit and the data output end of detection unit are communicated to connect, described control unit
The control signal communication connection of control output end and main controller, the data output end of described control unit and the number of display unit
Communicated to connect according to input, the control of the control output end of main control respectively with fan of gas water heater and gas heater valve
Input is communicated to connect.Wherein, detection unit is used for the electric current and voltage for detecting each device work in the gas heater, and
Export testing result；Control unit is used to receive the testing result that the detection unit is sent, and sends phase according to testing result
The display signal answered；And send corresponding for simulating the workflow of gas heater, and to gas heater main controller
Control signal；Display unit is used for the display signal that reception control unit is sent, and shows corresponding information according to display signal.
The detection unit includes：Voltage detection module, the electricity for detecting each device work in the gas heater
Pressure, and output voltage testing result；Current detection module, the electric current for detecting each device work in the gas heater,
And output electric current measure result.
The device work includes at least one of blower fan, self-priming valve, sectioning valve, gas proportioning valve and water proportioning valve.
The display unit includes：First indicator lamp, for being lighted when testing result is normal according to display signal；Second
Indicator lamp, for being lighted when testing result is abnormal according to display signal；Charactron, for when testing result is abnormal according to showing
Show that signal shows failure code.
Described control unit includes：Temperature control modules, for sending Signal Regulation to the gas heater main controller
The leaving water temperature of gas heater；Water signal imitation module, for sending water signal to the gas heater main controller, and
Adjust the simulation water of the water signal；Switch control module, for sending signal control to the gas heater main controller
The ignition switch of gas heater and the opening and closing for meeting fire switch；Judge module, for being judged according to the testing result of detection unit
Within a preset range whether electric current and voltage；Display module, for sending corresponding display according to the result of judge module
Signal.
As shown in Fig. 2 a kind of method of testing of gas fired water heater main controller automatic jig, including：
S1. the leaving water temperature of gas heater is modulated highest by control unit to gas heater main controller transmission signal, then
Simulation water signal is sent to main controller；
S2. aerator supervision：Detect gas heater in blower fan voltage whether within a preset range, if the voltage of the blower fan
Within a preset range, then S3 is performed, if the voltage of the blower fan not within a preset range, performs S11；
S3. control unit sends signal to gas heater main controller and opens ignition switch in gas heater, waits sparking；
S4. valve detection：Detect gas heater in valve voltage and current whether within a preset range, the gas and hot water
Valve includes at least one of self-priming valve, sectioning valve, gas proportioning valve and water proportioning valve in device, if the voltage and electricity of the valve
Stream within a preset range, then performs S5, otherwise performs S11；
S5. judge whether valve detection number of times reaches that the threshold value is three times in threshold value, the present embodiment, if valve detection number of times reaches
Threshold value then performs S6, otherwise performs S4；
S6. control unit sends signal to gas heater main controller and opens gas heater chance fire switch；
S7. meet fire success after, detection gas heater in valve voltage and current whether within a preset range, if the valve
Voltage and current within a preset range, then perform S8, otherwise perform S11；
S8. control unit the simulation water of simulation water signal is adjusted to it is minimum, then to gas heater main controller send signal
The leaving water temperature modulation of gas heater is minimum；
S9. detection gas heater in valve voltage and current whether within a preset range, if the voltage and electricity of the valve
Stream within a preset range, then performs S10, otherwise performs S11；
S10. test is terminated, and shows test normal code；
S11. test is terminated, and shows failure code.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change does not depart from the spirit and scope of the present invention, then all should appended claims of the present invention protection domain
It is interior.
Claims (8)
1. a kind of gas fired water heater main controller automatic test fixture, is communicated to connect with gas heater, it is characterised in that
The automatic test fixture includes：
Detection unit, for detecting the electric current and voltage of each device work in the gas heater, and exports testing result；
Control unit, corresponding display is sent for receiving the testing result that the detection unit is sent, and according to testing result
Signal；And send corresponding control signal for simulating the workflow of gas heater, and to gas heater main controller；
Display unit, the display signal sent for reception control unit, and corresponding information is shown according to display signal.
2. a kind of gas fired water heater main controller automatic test fixture according to claim 1, it is characterised in that institute
Stating detection unit includes：
Voltage detection module, the voltage for detecting each device work in the gas heater, and output voltage testing result；
Current detection module, the electric current for detecting each device work in the gas heater, and output electric current measure result.
3. a kind of gas fired water heater main controller automatic test fixture according to claim 1, it is characterised in that institute
Stating device work includes at least one of blower fan, self-priming valve, sectioning valve, gas proportioning valve and water proportioning valve.
4. a kind of gas fired water heater main controller automatic test fixture according to claim 1, it is characterised in that institute
Stating display unit includes：
First indicator lamp, for being lighted when testing result is normal according to display signal；
Second indicator lamp, for being lighted when testing result is abnormal according to display signal；
Charactron, for showing failure code according to display signal when testing result is abnormal.
5. a kind of gas fired water heater main controller automatic test fixture according to claim 1, it is characterised in that institute
Stating control unit includes：
Temperature control modules, the leaving water temperature for sending Signal Regulation gas heater to the gas heater main controller；
Water signal imitation module, for sending water signal to the gas heater main controller, and adjusts the water signal
Simulate water；
Switch control module, for the gas heater main controller send signal control gas heater ignition switch and
Meet the opening and closing of fire switch；
Judge module, for whether within a preset range to judge electric current and voltage according to the testing result of detection unit；
Display module, for sending corresponding display signal according to the result of judge module.
6. a kind of method of testing of gas fired water heater main controller automatic jig as described in Claims 1 to 5, its feature
It is, including：
S1. the leaving water temperature of gas heater is modulated highest by control unit to gas heater main controller transmission signal, then
Simulation water signal is sent to main controller；
S2. aerator supervision：Detect gas heater in blower fan voltage whether within a preset range, if the voltage of the blower fan
Within a preset range, then S3 is performed, if the voltage of the blower fan not within a preset range, performs S11；
S3. control unit sends signal to gas heater main controller and opens ignition switch in gas heater, waits sparking；
S4. valve detection：Whether within a preset range the voltage and current of valve in gas heater is detected, if the valve
Voltage and current within a preset range, then performs S5, otherwise performs S11；
S5. judge whether valve detection number of times reaches threshold value, perform S6 if valve detection number of times reaches threshold value, otherwise perform
S4；
S6. control unit sends signal to gas heater main controller and opens gas heater chance fire switch；
S7. meet fire success after, detection gas heater in valve voltage and current whether within a preset range, if the valve
Voltage and current within a preset range, then perform S8, otherwise perform S11；
S8. control unit the simulation water of simulation water signal is adjusted to it is minimum, then to gas heater main controller send signal
The leaving water temperature modulation of gas heater is minimum；
S9. detection gas heater in valve voltage and current whether within a preset range, if the voltage and electricity of the valve
Stream within a preset range, then performs S10, otherwise performs S11；
S10. test is terminated, and shows test normal code；
S11. test is terminated, and shows failure code.
7. method of testing according to claim 6, it is characterised in that the threshold value of valve detection is three times in the S5.
8. method of testing according to claim 6, it is characterised in that in the gas heater valve include self-priming valve,
At least one of sectioning valve, gas proportioning valve and water proportioning valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214766.3A CN106970608B (en) | 2017-04-01 | 2017-04-01 | A kind of gas fired water heater main controller automatic test fixture and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214766.3A CN106970608B (en) | 2017-04-01 | 2017-04-01 | A kind of gas fired water heater main controller automatic test fixture and test method |
Publications (2)
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| CN106970608A true CN106970608A (en) | 2017-07-21 |
| CN106970608B CN106970608B (en) | 2019-03-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107860519A (en) * | 2017-11-17 | 2018-03-30 | 广东恒鑫智能装备股份有限公司 | A kind of automatic electrical measurement of wall-hung boiler and air tightness test mechanism |
| CN109099455A (en) * | 2018-08-14 | 2018-12-28 | 万家乐热能科技有限公司 | A kind of gas ratio valve preset and method |
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| CN109099455A (en) * | 2018-08-14 | 2018-12-28 | 万家乐热能科技有限公司 | A kind of gas ratio valve preset and method |
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| Publication number | Publication date |
|---|---|
| CN106970608B (en) | 2019-03-05 |
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Denomination of invention: A New Type of Automatic Test Fixture and Test Method for Main Controller of Gas Water Heater Effective date of registration: 20221018 Granted publication date: 20190305 Pledgee: Zheshang Bank Co.,Ltd. Chengdu Branch Pledgor: SINO-TECH SMART ENERGY TECHNOLOGY(CHENGDU) CO.,LTD. Registration number: Y2022510000272 |
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Date of cancellation: 20230801 Granted publication date: 20190305 Pledgee: Zheshang Bank Co.,Ltd. Chengdu Branch Pledgor: SINO-TECH SMART ENERGY TECHNOLOGY(CHENGDU) CO.,LTD. Registration number: Y2022510000272 |
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