CN106093767A - A kind of blast switch ability meter and method of testing - Google Patents
A kind of blast switch ability meter and method of testing Download PDFInfo
- Publication number
- CN106093767A CN106093767A CN201610435578.9A CN201610435578A CN106093767A CN 106093767 A CN106093767 A CN 106093767A CN 201610435578 A CN201610435578 A CN 201610435578A CN 106093767 A CN106093767 A CN 106093767A
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- blast
- switch
- module
- wind
- measured
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
-
- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- 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
- G05B2219/26—Pc applications
- G05B2219/2614—HVAC, heating, ventillation, climate control
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to switch testing equipment technical field, be specifically related to a kind of blast switch ability meter and method of testing；Its blast switch ability meter includes the output of low-power DC fan A, blast case A, differential pressure force transducer, low-power DC fan B, blast case B, VRM Voltage Regulator Module, PLC, data acquisition module, touch screen A, qualified display lamp, start button, malleation, test wiring, on and off switch, alarm lamp, stop button, automatic fixture, negative pressure output, console model cabinet, wind pressure device, wind path unit；It uses touch screen as host computer, PLC is coordinated to carry out system control, easy to operate, stable performance, more hommization, malleation loop uses different blower fans from negative pressure loop, and internal switching action is few, and action parts action frequency is few, life-span is longer, test relevant parameter is adjusted by man machine interface, convenient and swift, automatically saves after relevant parameter power-off.
Description
Technical field
The present invention relates to switch testing equipment technical field, be specifically related to a kind of blast switch ability meter and test side
Method.
Background technology
In current domestic gas instantaneous water heater and domestic heating hot water two purpose stove, need to use blast switch.Blast is opened
Close the blast switch being mainly used in domestic gas instantaneous water heater and domestic heating hot water two purpose stove.When extraneous wind-force very
By force, the when that blower fan smoke evacuation being obstructed, if exhaust air rate does not reaches requirement, then the microswitch of blast switch would not be connected,
Controller just can detect thus cut out blast tube, prevents combustion gas imperfect combustion from producing carbon monoxide and causes the thing of poisoning
Therefore occur.Typically purchasing from the producer being specifically manufactured blast switch due to blast switch, the parameter of blast switch is substantially by factory
Family provides, and domestic gas-fired water heater and the most less performance to blast switch of heating/hot water supply stove complete machine industry are made further
Detection, though detection, be also in the lab by the equipment of skeleton symbol or and the testing equipment of complexity, even if equipment
Precision own can reach, but owing to test mode is unreasonable, it is the highest that equipment tests out result precision.Test speed mistake simultaneously
Slowly, it has been difficult to meet the detection demand of blast switch manufacturing enterprise and finished product enterprise.
Summary of the invention
Present invention aims to defect and the deficiency of prior art, it is provided that a kind of simple in construction, reasonable in design, make
By a kind of blast switch ability meter and method of testing, its simple in construction, reasonable in design, easy and simple to handle, detection essence
Degree is high, the linearity is good, temperature stability is good, detects the test of fireballing blast switch and control method thereof, to overcome existing skill
Weak point in art.
A kind of blast switch ability meter of the present invention and method of testing, its blast switch ability meter includes
Low-power DC fan A, blast case A, differential pressure force transducer, low-power DC fan B, blast case B, VRM Voltage Regulator Module,
The output of PLC, data acquisition module, touch screen A, qualified display lamp, start button, malleation, test wiring, power supply are opened
Pass, alarm lamp, stop button, automatic fixture, negative pressure output, console model cabinet, wind pressure device, wind path unit；
It is divided into upper chamber and lower chambers by dividing plate in described console model cabinet, console model cabinet arranges operating table surface, operation
Man machine operation interface is installed on table top；
Described upper chamber closes and is provided with wind pressure device；
Described lower chambers is provided with control circuit；Described control circuit electrically connects with man machine operation interface；
Some loading automatic fixtures it are provided with on described operating board；
Described wind path unit is made up of wind path III and wind path IV；
Described data acquisition module is made up of A/D module and D/A module；
Described wind pressure device is made up of wind pressure device unit and wind pressure device unit II；Described wind pressure device is arranged on console model machine
The upper chamber of case also closes；Described wind pressure device unit I includes that blast case A, blast case A are connected with low-power DC fan A；Institute
Stating wind pressure device unit II and include low-power DC fan B, this low-power DC fan B is connected with blast case B；Described blast case
Air outlet I and wind path III one end of A is connected, and wind path III is provided with tee T A, the other end of wind path III and blast to be measured
The malleation mouth of switch is connected, and the negative pressure mouth of blast switch to be measured is connected with the tee T B on wind path IV by conduit B, wind path IV
One end is connected with the air outlet II of blast case B, and the other end of wind path IV is connected with the binding post A of differential pressure force transducer, micro-
The binding post B of differential pressure sensor is inserted through tee T A by wire and is connected with wind pressure device unit I；
Described man machine operation interface includes control panel, and about control panel surface, middle part is respectively arranged with display screen A and display
Screen B；The left side of described display screen A is disposed with qualified display lamp, start button, malleation output, test wiring from top to bottom；
It is provided with on and off switch below display screen A；Alarm lamp, stop button it is disposed with from top to bottom on the right side of display screen A；Institute
The left side stating display screen B is disposed with qualified display lamp B, start button B, negative pressure output, test wiring B from top to bottom；Aobvious
On and off switch B it is provided with below display screen A；Alarm lamp B, stop button B it is disposed with from top to bottom on the right side of display screen B；
Described control circuit is made up of PLC, A/D module, D/A module, VRM Voltage Regulator Module and differential pressure force transducer；
PLC electrically connect with differential pressure force transducer and blast switch to be measured by A/D module, PLC pass through D/A module and
The input of VRM Voltage Regulator Module connects, VRM Voltage Regulator Module outfan and the low-power DC fan A in wind pressure device unit I
Electrical connection.
Further, the method for testing of its tester is as follows:
Step one: blast switch to be measured is put into automatic fixture；
Step 2: automatic fixture is connected with negative pressure mouth or the tight-lipped close gas of malleation of blast switch to be measured by cylinder, by visiting
Pin electrically connects with normally opened close point or the normally-closed contact of blast switch to be measured；
Step 3: the blast that power DC blower fan A produces is through blast case A, then passes through tee T A to differential pressure force transducer
Normal pressure mouth, then accesses in the malleation mouth of the blast switch to be measured being arranged in automatic fixture；
The blast that power DC blower fan B produces is through blast case B, then the negative pressure by tee T B to differential pressure force transducer
Mouthful, then access in the negative pressure mouth of the blast switch to be measured being arranged in automatic fixture；
Step 4: when blast switch action to be measured, the switching signal of the action of blast switch to be measured is controlled by wire input PLC
Device input port processed, and the analogue signal of differential pressure force transducer is converted into digital signal by A/D module and inputs to PLC,
PLC is by carrying out computing, by touch screen display action wind pressure value and reset wind pressure value.
Further, the bottom surface of described console model cabinet is provided with horn ring.
Further, described automatic fixture is equipped with and automatically supplies gas, and automatically electrically connects with blast switch to be measured.
Use after said structure, present invention have the beneficial effect that a kind of blast switch ability meter of the present invention and
Method of testing, it uses touch screen as host computer, coordinates PLC to carry out system control, easy to operate, stable performance,
More hommization, malleation loop uses different blower fans from negative pressure loop, and internal switching action is few, action parts action frequency
Few, the life-span is longer, uses DC fan to carry out speed governing, uses high accuracy U.S. Honeywell sensor acquisition wind pressure signal, fixed
Using closed loop control during pressure output mode, blast adjusts automatically.Test relevant parameter is adjusted by man machine interface, convenient and swift,
Automatically save after relevant parameter power-off.
[accompanying drawing explanation]
Accompanying drawing described herein is used to provide a further understanding of the present invention, does not constitutes the part of the application, but not
Constitute inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is control principle drawing of the present invention；
Fig. 3 is the test interface schematic diagram of the present invention；
Fig. 4 is that the blast switch pressure of the present invention sets schematic diagram.
Description of reference numerals:
1, low-power DC fan A；2, blast case A；3, blast switch to be measured；3.1, malleation mouth；3.2, negative pressure mouth；4, differential pressure
Force transducer；5, low-power DC fan B；6, blast case B；7, VRM Voltage Regulator Module；8, PLC；9, data acquisition module
Block；9.1, A/D module；9.2, D/A module；10, touch screen A；11, qualified display lamp；12, start button；13, malleation output；14、
Test wiring；15, on and off switch；16, alarm lamp；17, stop button；18, automatic fixture；19, negative pressure output；20, fall
Ground formula cabinet.
[detailed description of the invention]
Only the present invention, illustrative examples therein and explanation is described in detail below in conjunction with accompanying drawing and specific embodiment
It is used for explaining the present invention, but not as a limitation of the invention.
As Figure 1-Figure 4, a kind of blast switch ability meter described in this detailed description of the invention and method of testing, its
Blast switch ability meter includes low-power DC fan A1, blast case A2, differential pressure force transducer 4, low-power direct current wind
Machine B5, blast case B6, VRM Voltage Regulator Module 7, PLC 8, data acquisition module 9, touch screen 10, qualified display lamp 11, open
Dynamic button 12, malleation output 13, test wiring 14, on and off switch 15, alarm lamp 16, stop button 17, automatic fixture 18,
Negative pressure output 19, console model cabinet 20, wind pressure device, wind path unit；
It is divided into upper chamber and lower chambers by dividing plate in described console model cabinet 20, console model cabinet arranges operating table surface, behaviour
Make to install on table top man machine operation interface；
Described upper chamber closes and is provided with wind pressure device；Use completely enclosed mode, ambient pressure can be avoided test blast
Impact；
Described lower chambers is provided with control circuit；Described control circuit electrically connects with man machine operation interface；
It is provided with some loading automatic fixtures 18 on described operating board, and tester places product；
Described wind path unit is made up of wind path III and wind path IV；
Described data acquisition module 9 is made up of A/D module 9.1 and D/A module 9.2；
Described wind pressure device is made up of wind pressure device unit I and wind pressure device unit II；Described wind pressure device is arranged on console model
The upper chamber of cabinet also closes；Described wind pressure device unit I includes blast case A2, blast case A2 and low-power DC fan A1 phase
Even；Described wind pressure device unit II includes low-power DC fan B5, and this low-power DC fan B5 is connected with blast case B6；Institute
Air outlet I2.1 and the wind path III one end stating blast case A2 is connected, and wind path III is provided with another of tee T A, wind path III
End is connected with the malleation mouth 3.1 of blast switch 3 to be measured, and the negative pressure mouth 3.2 of blast switch 3 to be measured is by conduit B and wind path IV
Tee T B be connected, wind path IV one end is connected with the air outlet II6.1 of blast case B6, the other end of wind path IV and elementary errors pressure
The binding post A4.1 of sensor 4 is connected, and the binding post B4.2 of differential pressure force transducer 4 is inserted through tee T A by wire
It is connected with wind pressure device unit I；
Described man machine operation interface includes control panel, and about control panel surface, middle part is respectively arranged with display screen A and display
Screen B；The left side of described display screen A is disposed with qualified display lamp 11, start button 12, malleation output 13 from top to bottom, surveys
Try line 14；On and off switch 15 it is provided with below display screen A；Alarm lamp it is disposed with from top to bottom on the right side of display screen A
16, stop button 17；It is defeated that the left side of described display screen B is disposed with qualified display lamp B, start button B, negative pressure from top to bottom
Go out 19, test wiring B；On and off switch B it is provided with below display screen A；It is disposed with warning on the right side of display screen B from top to bottom to refer to
Show lamp B, stop button B；
Described control circuit is passed by PLC 8, A/D module 9.1, D/A module 9.2, VRM Voltage Regulator Module 7 and elementary errors pressure
Sensor 4 forms；PLC 8 is electrically connected with differential pressure force transducer 4 and blast switch to be measured 3 by A/D module 9.1, and PLC is controlled
Device 8 processed is connected with the input of VRM Voltage Regulator Module 7 by D/A module 9.2, VRM Voltage Regulator Module 7 outfan and wind pressure device list
Low-power DC fan A1 electrical connection in unit I.
Control circuit also includes auxiliary reclay, Switching Power Supply, electromagnetic valve and earth leakage circuit-breaker etc., and these are the most really
The auxiliary electrical element that the safety of guarantor's equipment increases.
The method of testing of its tester is as follows:
Step one: blast switch 3 to be measured is put into automatic fixture 18；
Step 2: automatic fixture 18 is connected with negative pressure mouth 3.2 or the tight gas of malleation mouth 3.1 of blast switch 3 to be measured by cylinder
Connect, electrically connected with normally opened close point or the normally-closed contact of blast switch 3 to be measured by probe；
Step 3: the blast that power DC blower fan A1 produces is through blast case A2, then passes through tee T A to differential pressure force transducer
The normal pressure mouth of 4, then accesses in the malleation mouth 3.1 of the blast switch to be measured 3 being arranged in automatic fixture 18；
The blast that power DC blower fan B5 produces is through blast case B6, then the negative pressure by tee T B to differential pressure force transducer 4
Power mouth, then accesses in the negative pressure mouth 3.2 of the blast switch to be measured 3 being arranged in automatic fixture 18；
Step 4: when blast switch 3 action to be measured, the switching signal of the action of blast switch 3 to be measured inputs PLC by wire
Controller 8 input port, and the analogue signal of differential pressure force transducer 4 is converted into digital signal inputed to PLC by A/D module 9.1
Controller 8, PLC 8 is by carrying out computing, by touch screen 10 display action wind pressure value and reset wind pressure value.
The bottom surface of described console model cabinet 20 is provided with horn ring, is moved easily.
Described automatic fixture 18 is equipped with supplies gas automatically, automatically electrically connects with blast switch 3 to be measured.
In the present invention, the functional characteristics of each assembly is as follows:
1) low-power DC fan A1, the feature of low-power DC fan B5: delivery outlet blast is stable, and noise is little, and energy consumption is low；
2) blast case A2, blast case B6 use ABS material to be manufactured into a rectangular shape, and an air outlet is left in centre, logical
Crossing the aperture of this vent, thus it is possible to vary the size of discharge pressure of fan value, the rotating speed of blower fan is directly proportional to the aperture of blast case, i.e. exists
Under identical wind pressure value, blast case blast mouth aperture is the biggest, and the rotating speed of blower fan is the fastest, otherwise the least.
3), in wind path is arranged on the upper chamber of console model cabinet, it is to be formed between wind pressure device and blast switch to be tested
Passage.Wind path comprises wind pressure device and micro-pressure sensor and blast switch gas connecting line to be tested, is not provided with any in pipeline
Switch valve, it is ensured that owing to the mechanical breakdown of switch valve own causes the inaccuracy of test result.
4) VRM Voltage Regulator Module: be arranged on the bottom chamber of ground formula cabinet, by wire and the D/A module of PLC and direct current wind
The power end electrical connection of machine.
5) differential pressure force transducer: wind pressure value during for detecting blast switch action and resetting, with the A/D module electricity of PLC
Connect.
6) PLC: be used for controlling complete machine action, storage detection data and judge whether qualified.
7) touch screen: for human-machine operation, arranges detection parameter.
8) A/D module: little differential pressure sensor feed back analogue signal be converted into digital data transmission to PLC process after
Thus control the size of voltage electricity adjustment module voltage, reach to control the rotary speed of blower fan, stablize discharge pressure of fan.
9) D/A module: the digital signal that PLC is sent controls VRM Voltage Regulator Module by D/A module converting analogue signals
Amplitude.
10) automatic fixture: load blast switch, gives blast switch discharge pressure of fan automatically.Automatic fixture uses cylinder conduct
Power source, is connected with wind pressure device to the air inlet of blast switch, electrically connects with PLC contact to the contact of blast switch, it
Between adopt wire connect.
The present invention is applicable to the performance detection of each model blast switch of burner series products, can accurately detect blast switch
Wind pressure value during action and wind pressure value when resetting, and subsidiary durability test.
The durable test pattern of present invention design, meets blast switch manufacturer and carries out exfactory inspection and exploitation debugging.
The machine uses touch screen as host computer, coordinates PLC to carry out system control, easy to operate, stable performance, more human nature
Changing, malleation loop uses different blower fans from negative pressure loop, and internal switching action is few, and action parts action frequency is few, and the life-span is more
Long, use DC fan to carry out speed governing, use high accuracy U.S. Honeywell sensor acquisition wind pressure signal, level pressure output mould
Using closed loop control during formula, blast adjusts automatically.Test relevant parameter is adjusted by man machine interface, convenient and swift, relevant parameter
Automatically save after power-off.
The above is only the better embodiment of the present invention, thus all according to the structure described in present patent application scope,
The equivalence that feature and principle are done changes or modifies, in the range of being all included in present patent application.
Claims (4)
1. a blast switch ability meter and method of testing, it is characterised in that: its blast switch ability meter includes low
Power DC blower fan A(1), blast case A(2), differential pressure force transducer (4), low-power DC fan B(5), blast case B(6),
VRM Voltage Regulator Module (7), PLC (8), data acquisition module (9), touch screen A(10), qualified display lamp (11), start
Button (12), malleation output (13), test wiring (14), on and off switch (15), alarm lamp (16), stop button (17),
Automatic fixture (18), negative pressure output (19), console model cabinet (20), wind pressure device, wind path unit；
It is divided into upper chamber and lower chambers by dividing plate in described console model cabinet (20), console model cabinet arranges operating table surface,
Man machine operation interface is installed in operating table surface；
Described upper chamber closes and is provided with wind pressure device；
Described lower chambers is provided with control circuit；Described control circuit electrically connects with man machine operation interface；
Some loading automatic fixtures (18) it are provided with on described operating board；
Described wind path unit is made up of wind path III and wind path IV；
Described data acquisition module (9) is made up of A/D module (9.1) and D/A module (9.2)；
Described wind pressure device is made up of wind pressure device unit I and wind pressure device unit II；Described wind pressure device is arranged on console model
The upper chamber of cabinet (20) also closes；Described wind pressure device unit I includes blast case A(2), blast case A(2) and low-power direct current
Blower fan A(1) it is connected；Described wind pressure device unit II includes low-power DC fan B(5), this low-power DC fan B(5) with
Blast case B(6) it is connected；Described blast case A(2) air outlet I(2.1) be connected with wind path III one end, wind path III is provided with
Tee T A, the other end of wind path III is connected with the malleation mouth (3.1) of blast switch to be measured (3), bearing of blast switch to be measured (3)
Pressure mouth (3.2) is connected with the tee T B on wind path IV by conduit B, wind path IV one end and blast case B(6) air outlet II
(6.1) it is connected, the binding post A(4.1 of the other end of wind path IV and differential pressure force transducer (4)) it is connected, elementary errors pressure sensing
The binding post B(4.2 of device (4)) it is inserted through tee T A by wire and is connected with wind pressure device unit I；
Described man machine operation interface includes control panel, and about control panel surface, middle part is respectively arranged with display screen A(10) and
Display screen B；Described display screen A(10) left side be disposed with qualified display lamp (11), start button (12), just from top to bottom
Pressure output (13), test wiring (14)；Display screen A(10) lower section be provided with on and off switch (15)；Display screen A(10) right side from upper
Down it is disposed with alarm lamp (16), stop button (17)；The left side of described display screen B is disposed with from top to bottom
Qualified display lamp B, start button B, negative pressure output (19), test wiring B；Display screen A(10) lower section be provided with on and off switch B；
Alarm lamp B, stop button B it is disposed with from top to bottom on the right side of display screen B；
Described control circuit is by PLC (8), A/D module (9.1), D/A module (9.2), VRM Voltage Regulator Module (7) and micro-
Differential pressure sensor (4) forms；PLC (8) is by A/D module (9.1) and differential pressure force transducer (4) and blast to be measured
Switch (3) electrical connection, PLC (8) is connected with the input of VRM Voltage Regulator Module (7) by D/A module (9.2), and voltage is adjusted
Joint module (7) outfan and the low-power DC fan A(1 in wind pressure device unit I) electrically connect.
A kind of blast switch ability meter the most according to claim 1 and method of testing, it is characterised in that: its tester
Method of testing as follows:
Step one: blast switch to be measured (3) is put into automatic fixture (18)；
Step 2: automatic fixture (18) by cylinder with the negative pressure mouth (3.2) of blast switch to be measured (3) or malleation mouth (3.1)
Closely gas connects, and is electrically connected with normally opened close point or the normally-closed contact of blast switch to be measured (3) by probe；
Step 3: power DC blower fan A(1) blast that produces is through blast case A(2), then passed by tee T A to elementary errors pressure
The normal pressure mouth of sensor (4), then accesses the malleation mouth (3.1) being arranged on the inner blast switch to be measured (3) of automatic fixture (18)
In；
Power DC blower fan B(5) blast that produces is through blast case B(6), then by tee T B to differential pressure force transducer (4)
Negative pressure mouth, then access and be arranged in the negative pressure mouth (3.2) of the inner blast switch to be measured (3) of automatic fixture (18)；
Step 4: when blast switch to be measured (3) action, the switching signal of the action of blast switch to be measured (3) is defeated by wire
Enter PLC (8) input port, and the analogue signal of differential pressure force transducer (4) is converted into numeral letter by A/D module (9.1)
Number input to PLC (8), PLC (8) by carrying out computing, by touch screen (10) display action wind pressure value and
Reset wind pressure value.
A kind of blast switch ability meter the most according to claim 1 and method of testing, it is characterised in that land described in:
The bottom surface of formula cabinet (20) is provided with horn ring.
A kind of blast switch ability meter the most according to claim 1 and method of testing, it is characterised in that: described automatically
Fixture (18) is equipped with and automatically supplies gas, and automatically electrically connects with blast switch to be measured (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435578.9A CN106093767A (en) | 2016-06-16 | 2016-06-16 | A kind of blast switch ability meter and method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435578.9A CN106093767A (en) | 2016-06-16 | 2016-06-16 | A kind of blast switch ability meter and method of testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106093767A true CN106093767A (en) | 2016-11-09 |
Family
ID=57235978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610435578.9A Pending CN106093767A (en) | 2016-06-16 | 2016-06-16 | A kind of blast switch ability meter and method of testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106093767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653171A (en) * | 2019-08-23 | 2020-01-07 | 浙江正泰汽车科技有限公司 | Pressure switch detection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293426Y (en) * | 2008-10-10 | 2009-08-19 | 刘兆峰 | Direct drive type air flow detection device |
| CN102565695A (en) * | 2012-01-06 | 2012-07-11 | 中山市铧禧电子科技有限公司 | Wind pressure switch tester and control method thereof |
| CN105093101A (en) * | 2015-06-26 | 2015-11-25 | 威能(无锡)供热设备有限公司 | Wind pressure switch testing device |
| CN205992039U (en) * | 2016-06-16 | 2017-03-01 | 中山市优胜电子科技有限公司 | A kind of blast switch ability meter |
-
2016
- 2016-06-16 CN CN201610435578.9A patent/CN106093767A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293426Y (en) * | 2008-10-10 | 2009-08-19 | 刘兆峰 | Direct drive type air flow detection device |
| CN102565695A (en) * | 2012-01-06 | 2012-07-11 | 中山市铧禧电子科技有限公司 | Wind pressure switch tester and control method thereof |
| CN105093101A (en) * | 2015-06-26 | 2015-11-25 | 威能(无锡)供热设备有限公司 | Wind pressure switch testing device |
| CN205992039U (en) * | 2016-06-16 | 2017-03-01 | 中山市优胜电子科技有限公司 | A kind of blast switch ability meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653171A (en) * | 2019-08-23 | 2020-01-07 | 浙江正泰汽车科技有限公司 | Pressure switch detection system |
| CN110653171B (en) * | 2019-08-23 | 2021-08-03 | 浙江正泰汽车科技有限公司 | Pressure switch detection system |
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