CN108458838A - A kind of electromagnetic valve for fire control reliability automatic test equipment - Google Patents
A kind of electromagnetic valve for fire control reliability automatic test equipment Download PDFInfo
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- CN108458838A CN108458838A CN201810494052.7A CN201810494052A CN108458838A CN 108458838 A CN108458838 A CN 108458838A CN 201810494052 A CN201810494052 A CN 201810494052A CN 108458838 A CN108458838 A CN 108458838A
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000002474 experimental method Methods 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000013068 control sample Substances 0.000 claims abstract description 43
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 210000002445 nipple Anatomy 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
-
- 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
- G01R31/003—Environmental or reliability tests
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of electromagnetic valve for fire control reliability automatic test equipments, including water booster pump, cistern, experiment casing and holder, experiment casing is placed on holder, bottom centre position is equipped with leakage sensor pad in experiment casing, electromagnetic valve for fire control sample is placed on leakage sensor pad, the input end of electromagnetic valve for fire control sample is connect by connecting tube with water booster pump, and outlet end is connected to cistern through drainpipe, and cistern water outlet connect to form water cycle with water booster pump water inlet through water pipe；Bottom is surrounded by guiding gutter in experiment casing, sets aqueduct in the minimum point of guiding gutter, aqueduct water outlet is connect with cistern；Left and right sides lower part is equipped with PTC ceramics heat generating device in experiment casing；Experiment casing inner wall is equipped with cooling tube, and cooling tube connects refrigeration machine.The present invention can automatically continuously complete the experiment under the conditions of room temperature, high temperature, low temperature, sealing etc. and make the conclusion (of pressure testing) at each segment time point automatically.
Description
Technical field
The invention belongs to fire product detection technique fields, and in particular to a kind of electromagnetic valve for fire control reliability is filled from dynamic test
It sets.
Background technology
The electromagnetic valve for fire control that automatic sprinkler system uses will carry out selective examination and do reliability test, and electromagnetic valve for fire control is normal
Reliability requirement should all be met under temperature, high temperature, cryogenic conditions, should finally meet seal request under room temperature again.It is room temperature, high temperature, low
In electromagnetic valve input end cut-in pressure source when temperature experiment, and it is pressurized to rated operating pressure to solenoid valve forward direction, makes valve
Reach and fully open or closed state, switching frequency is not more than 30 times/min.In 20 DEG C ± 5 DEG C of room temperature, maximum working pressure (MWP), volume
It is acted 20000 times under fixed working voltage, in rated operating pressure, rated operational voltage after 70 DEG C of holding 1h of maximum operating temperature
×（100±15）% respectively action 10 times, after 4 DEG C of minimum operating temperature keeps 1h rated operating pressure, rated operational voltage ×
（100±15）% is respectively acted 10 times again, is finally provided 2 times of operating pressures to solenoid valve input end under normal temperature state and is kept the pressure
Ne-leakage is answered in power 5min, outlet end, during each segment experiment electromagnetic valve for fire control should not occur any failure or structural failure and
Leakage.It is mostly discontinuous manual operation in now testing this, high and low temperature experiment is carried out as dismounted solenoid valve after cold test again
Deng there is a problem of that labor intensity is big, human interference factor is more in experiment, detect quality and inefficient, now there are no one kind
Experimental rig under the conditions of room temperature, high temperature, low temperature, sealing etc. can be once automatically performed only is installed and makes detail time automatically
The electromagnetic valve for fire control reliability test conclusion of section.
Invention content
To make up the deficiencies in the prior art, the present invention provides a kind of electromagnetic valve for fire control reliability automatic test equipment, can drop
Low labor intensity and think disturbing factor, improves detection quality and efficiency.
The present invention is achieved through the following technical solutions：
A kind of electromagnetic valve for fire control reliability automatic test equipment, is characterized in that：Including water booster pump, cistern, experiment
Babinet and holder, the experiment casing are placed on holder, and experiment casing inner wall is equipped with a layer box body insulating layer, in experiment casing
Bottom centre position is equipped with leakage sensor pad, and electromagnetic valve for fire control sample is placed on leakage sensor pad, electromagnetic valve for fire control examination
The input end of sample is connect by connecting tube with water booster pump, and the outlet end of electromagnetic valve for fire control sample is connected to cistern through drainpipe,
Cistern water outlet connect to form water cycle with water booster pump water inlet through water pipe；Bottom, which is surrounded by, in the experiment casing leads
Sink is equipped with aqueduct in the minimum point of guiding gutter, and aqueduct water outlet is connect with cistern；Left and right two in the experiment casing
Side lower part is equipped with PTC ceramics heat generating device；Experiment casing inner wall is equipped with cooling tube, and cooling tube connects refrigeration machine.
PLC controller is set outside the experiment casing；Pressure sensor I is installed on the water booster pump；Water booster pump,
Pressure sensor I, electromagnetic valve for fire control sample, leakage sensor pad, PTC ceramics heat generating device, refrigeration machine by pilot with
PLC controller connects.
Forced-ventilated wind apparatus is equipped among the experiment casing inner top, effect is that temperature in experiment casing 11 is made to reach as early as possible
To normal temperature state, forced-ventilated wind apparatus is connect by pilot with PLC controller.
Electromagnetic valve for fire control sample inlet and outlet both ends are equipped with Quick Connect Kit, Quick Connect Kit by take over it is soft
Pipe connects, and hose is connect with telescoping tube, and telescoping tube is connect with pipe is rigidly fixed, and is rigidly fixed pipe and is passed through and be fixed on experiment casing
Both sides, the pipe that rigidly fixes on the left of electromagnetic valve for fire control sample is connect by elbow with drainpipe, on the right side of electromagnetic valve for fire control sample
The pipe that rigidly fixes connect with connecting tube by elbow；Inlet and outlet both ends developmental tube road setting flexible pipe and telescoping tube be for
Adapt to the sample for being easily installed various specifications sizes.
The planimetric area of the leakage sensor pad can contain the planimetric area of solenoid valve sample.
The experiment casing inner wall surrounding and top are equipped with Temperature Humidity Sensor, Temperature Humidity Sensor by pilot with
PLC controller connects.
Voltage regulator and power quality analyzer, voltage regulator and electricity are installed on the outside of experiment casing at the chamber door
Energy mass-synchrometer is connect by pilot with PLC controller.
The beneficial effects of the invention are as follows：Present invention reduces labor intensity and human interference factor, improve detection quality and
Efficiency realizes detection automation, reaches and is disposably mounted on electromagnetic valve for fire control sample in the device, you can automatically continuously completes
The conclusion (of pressure testing) tested and make each segment time point automatically under the conditions of room temperature, high temperature, low temperature, sealing etc..
Description of the drawings
Attached drawing 1 is the front view of the present invention；
Attached drawing 2 is the vertical view of B-B sections in attached drawing 1；
Attached drawing 3 is the side view of the present invention.
In figure, 1 ground, 2 water booster pumps, 3 water pipes, 4 holders, 5 refrigeration machines, 6 cisterns, 7 conduits, 8 drainpipes, 9 elbows,
10 fix rigid pipe, and 11 experiment casings, 12 cabinet insulation layers, 13 cooling tubes, 14 telescoping tubes, 15 sinks, 16, which meet water, opens electromagnetism
Valve, 17 hoses, 18 solenoid valves, 19 take over, 20 leak water sensors, 21 Quick Connect Kits, 22 electromagnetic valve for fire control samples, and 23
Solenoid valve is opened and closed electric control part, 24 Temperature Humidity Sensors, 25 monitoring cameras, 26 forced-ventilated wind apparatus, 28 cooling tubes, 31 pressure biography
Sensor II, 32 electric controlled regulating valves, 33 leakage sensor pads, 35 PTC ceramics heat generating devices, 36 connecting tubes, 37 pressure sensors I,
38 door hinges, 39 gaskets, 40 experiment casing doors, 41 door handles, 42 PLC controllers, 43 experiment casing shells, 44 voltage tune
Save device, 45 power quality analyzers.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, to help the skill of this field
Art personnel have more complete, accurate and deep understanding, protection scope of the present invention packet to the inventive concept of the present invention, technical solution
Following embodiment is included but is not limited to, it is any to technical scheme of the present invention under the premise of without departing from spirit and scope
Details and the modification made of form each fall in protection scope of the present invention.
Attached drawing is a kind of specific implementation mode of the present invention.The embodiment includes water booster pump 2, cistern 6, experiment casing
11 and holder 4, water booster pump 2, holder 4, refrigeration machine 5, cistern 6 are mounted on ground 1, and pressure is equipped on water booster pump 2
Sensor I 37；The experiment casing 11 is placed on holder 4, and 11 inner wall of experiment casing is equipped with a layer box body insulating layer 12, experiment
Bottom centre position is equipped with leakage sensor pad 33 in babinet 11, and electromagnetic valve for fire control sample 22 is placed on leakage sensor pad 33
On, the planimetric area of leakage sensor pad 33 can contain the vertical plane of various specifications size electromagnetic valve for fire control sample 22
Product, electromagnetic valve for fire control sample 22 import and export both ends be equipped with Quick Connect Kit 21, Quick Connect Kit 21 by take over 19 with it is soft
Pipe 17 connects, and hose 17 is connect with telescoping tube 14, and telescoping tube 14 is connect with pipe 10 is rigidly fixed, 22 left side of electromagnetic valve for fire control sample
The pipe 10 that rigidly fixes connect with drainpipe 8 by elbow 9,8 outlet end of drainpipe connect cistern 6, electromagnetic valve for fire control sample
The pipe 10 that rigidly fixes on 22 right sides is connect by elbow 9 with connecting tube 36, and connecting tube 36 is connect with water booster pump 2, and cistern 6 goes out
The mouth of a river connect to form water cycle with 2 water inlet of water booster pump through water pipe 3；Electromagnetic valve for fire control sample 22 imports and exports both ends and tests pipeline
The flexible pipe 17 and telescoping tube 14 of upper setting are in order to adapt to be easily installed the electromagnetic valve for fire control sample 22 of various specifications size, just
Property fixing pipe 10 passes through and is fixed on the both sides of experiment casing 11.
Bottom is surrounded by guiding gutter 15 in the experiment casing 11 of the present embodiment, and water guide is equipped in the minimum point of guiding gutter 15
Pipe 7,7 water outlet of aqueduct are connect with cistern 6；It is equipped in the entrance of aqueduct 7 and meets water opens solenoid valve 16, the solenoid valve
Effect is to meet water conducting, is closed when anhydrous to prevent temperature change in experiment casing 11.11 inner wall of experiment casing is surrounded by temperature
Humidity sensor 24, experiment casing inner top is equipped with Temperature Humidity Sensor 24 and monitoring camera 25, in experiment casing inner top
Middle part be equipped with forced-ventilated wind apparatus 26, effect be that temperature in experiment casing 11 is made to reach normal temperature state as early as possible.The chamber
Left and right sides lower part is equipped with PTC ceramics heat generating device 35 in body 11, and the work of PTC ceramics heat generating device 35 can make in experiment casing 11
Temperature increases；11 inner wall of experiment casing is equipped with cooling tube 13, and cooling tube 13 connects refrigeration machine 5, and the work of refrigeration machine 5 can make experiment
Temperature reduces in babinet 11；It is upper on the outside of experiment casing near the chamber door 40 to be equipped with voltage regulator 44 and power quality analyzer 45
And display PLC controller 42, each control panel device electric lead is connect with display PLC controller 42, defeated to PLC controller 42
Enter image analysis software and controlling test program.
Electromagnetic valve for fire control sample 22 is placed on the leakage sensor in experiment casing 11 by the present embodiment when specific operation
The inlet and outlet both ends of electromagnetic valve for fire control sample 22 are mounted on pad 33 with Quick Connect Kit 21, door 40 is closed, start display
On-test button in PLC controller 42, each electrical equipment that PLC controller 42 controls enter working condition, PLC controller
For temperature within the scope of 20 DEG C ± 5 DEG C of room temperature, the work of water booster pump 2 is automatically controlled after reaching authorized pressure in 42 Control experiment babinets 11
Regulating valve 32, which is opened, makes pressure water reach 22 input end of electromagnetic valve for fire control sample being closed, electromagnetic valve for fire control sample 22
After the pressure data that the pressure sensor II 31 of input end is transmitted to PLC controller 42 reaches specified value, PLC controller 42 controls
Voltage regulator 44 provides rated voltage to electromagnetic valve for fire control sample 22 makes electromagnetic valve for fire control sample 22 open.Electromagnetic valve for fire control tries
Sample 22 is opened, closes switching frequency no more than 30 times/min, and it is that one action recycles to open, close, PLC after recycling 20000 times
42 control voltage regulator 44 of controller stops powering to electromagnetic valve for fire control sample 22, and electromagnetic valve for fire control sample 22, which is in, closes shape
State.
PLC controller 42, which starts PTC ceramics heat generating device 35, makes temperature in experiment casing 11 rise to maximum operating temperature 70
DEG C, after keeping temperature 1h, 42 control voltage regulator 44 of PLC controller provides nominal operation electricity to electromagnetic valve for fire control sample 22
Pressure ×（100±15）Make in the case of the voltage value of % electromagnetic valve for fire control sample 22 respectively action 10 times after voltage regulator 44 stop to
Electromagnetic valve for fire control sample 22 is powered, and electromagnetic valve for fire control sample 22 is closed.
PLC controller 42 closes PTC ceramics heat generating device 35, opens the forced-ventilated wind apparatus 26 at the top of experiment casing, makes
Forced-ventilated wind apparatus 26 is turned off after hot-air discharge in experiment casing 11, PLC controller 42, which starts refrigeration machine 5, makes experiment casing 11
Interior temperature is preferably minimized 4 DEG C of temperature, and after keeping temperature 1h, 42 control voltage regulator 44 of PLC controller is to electromagnetic valve for fire control
The offer of sample 22 rated operational voltage ×（100±15）Voltage after making electromagnetic valve for fire control respectively act 10 times in the case of the voltage value of %
Adjuster 44 stops powering to electromagnetic valve for fire control sample 22, and electromagnetic valve for fire control sample 22 is closed.
PLC controller 42 makes refrigeration machine 5 be stopped and opens forced-ventilated wind apparatus 26 by the cold air in experiment casing 11
Discharge makes temperature in experiment casing 11 be in normal temperature state, and PLC controller 42 controls 2 pressure rise of water booster pump to fire-fighting electricity
2 times of 22 import step pressure of magnet valve sample, the pressure sensor II 31 of 22 entrance of electromagnetic valve for fire control sample is to PLC controller
After the data of 42 transmission reach 2 times of operating pressures, PLC controller 42 starts timing, keeps 5min, the fire-fighting electricity in this 5 min
The data cases that the leak water sensor 20 of 22 outlet end of magnet valve sample is transmitted to PLC controller 42 should be no leak water logging number
According to.Leakage sensor pad 33 during room temperature, high temperature, low temperature, leakage test below electromagnetic valve for fire control sample 22 not to
PLC controller 42 sent out water leakage, the image number that PLC controller 42 transmits the camera 25 of 11 inner top of experiment casing
There is not deformed damaged according to electromagnetic valve for fire control sample 22 after being analysed and compared, PLC controller 42 is to power quality analyzer
The data and curves etc. of 45 transmission carry out that electromagnetic valve for fire control sample 22 is calculated during each closing, breakdown action without dynamic
Make inaccurate or slow situation, when meeting these conditions PLC controller 42 make 22 each segment of electromagnetic valve for fire control sample automatically can
By property pass the test conclusion.Otherwise it is unqualified and show reason and period etc..
The device reduces labor intensity and human interference factor, and electromagnetic valve for fire control sample once mounting can be automatically performed
Experiment under the conditions of room temperature, high temperature, low temperature, sealing etc. simultaneously makes conclusion (of pressure testing), realizes detection automation, improves detection matter
Amount and efficiency.
Claims (10)
1. a kind of electromagnetic valve for fire control reliability automatic test equipment, it is characterised in that：Including water booster pump（2）, cistern（6）、
Experiment casing（11）And holder（4）, the experiment casing（11）It is placed on holder（4）On, experiment casing（11）Inner wall is equipped with one
Layer box body insulating layer（12）, experiment casing（11）Interior bottom centre position is equipped with leakage sensor pad（33）, electromagnetic valve for fire control examination
Sample（22）It is placed on leakage sensor pad（33）On, electromagnetic valve for fire control sample（22）Input end pass through connecting tube（36）Increase with water
Press pump（2）Connection, electromagnetic valve for fire control sample（22）Outlet end through drainpipe（8）It is connected to cistern（6）, cistern（6）Water outlet
Mouth is through water pipe（3）With water booster pump（2）Water inlet connects to form water cycle；The experiment casing（11）Interior bottom, which is surrounded by, leads
Sink（15）, in guiding gutter（15）Minimum point be equipped with aqueduct（7）, aqueduct（7）Water outlet and cistern（6）Connection；Institute
State experiment casing（11）Interior left and right sides lower part is equipped with PTC ceramics heat generating device（35）；Experiment casing（11）Inner wall is equipped with cold
But it manages（13）, cooling tube（13）Connect refrigeration machine（5）.
2. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 1, it is characterised in that：The experiment
Babinet（11）Outside sets PLC controller（42）；The water booster pump（2）On pressure sensor I is installed（37）；Water booster pump
（2）, pressure sensor I（37）, electromagnetic valve for fire control sample（22）, leakage sensor pad（33）, PTC ceramics heat generating device（35）、
Refrigeration machine（5）Pass through pilot and PLC controller（42）Connection.
3. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 1, it is characterised in that：The experiment
Babinet（11）Forced-ventilated wind apparatus is equipped among inner top（26）, forced-ventilated wind apparatus（26）Pass through pilot and PLC controller
（42）Connection.
4. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 2 or 3, it is characterised in that：It is described
Electromagnetic valve for fire control sample（22）It imports and exports both ends and is equipped with Quick Connect Kit（21）, Quick Connect Kit（21）By taking over（19）
With hose（17）Connection, hose（17）With telescoping tube（14）Connection, telescoping tube（14）With rigidly fix pipe（10）Connection, rigidity are solid
Fixed tube（10）It passes through and is fixed on experiment casing（11）Both sides, electromagnetic valve for fire control sample（22）Left side rigidly fixes pipe（10）
Pass through elbow（9）With drainpipe（8）Connection, electromagnetic valve for fire control sample（22）Right side rigidly fixes pipe（10）Pass through elbow（9）
With connecting tube（36）Connection.
5. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 4, it is characterised in that：The fire-fighting
Solenoid valve sample（22）Import pipe nipple（19）Place is equipped with pressure sensor II（31）And electric controlled regulating valve（32）；Electromagnetic valve for fire control
Sample（22）Export pipe nipple（19）Place is equipped with leak water sensor（20）And solenoid valve（18）；The pressure sensor II
（31）, electric controlled regulating valve（32）, leak water sensor（20）, solenoid valve（18）Pass through pilot and PLC controller（42）
Connection.
6. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 1 or 2, it is characterised in that：It is described
Leakage sensor pad（33）Planimetric area can contain solenoid valve sample（22）Planimetric area.
7. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 2, it is characterised in that：The water guide
Pipe（7）Entrance be equipped with meet water opens solenoid valve（16）, meet water opens solenoid valve（16）Pass through pilot and PLC controller
（42）Connection.
8. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 2, it is characterised in that：The experiment
Babinet（11）Inner wall surrounding and top are equipped with Temperature Humidity Sensor（24）, Temperature Humidity Sensor（24）Pass through pilot and PLC
Controller（42）Connection.
9. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 2, it is characterised in that：The experiment
Babinet inner top is equipped with monitoring camera（25）, monitoring camera（25）Pass through pilot and PLC controller（42）Connection.
10. a kind of electromagnetic valve for fire control reliability automatic test equipment according to claim 2, it is characterised in that：The case
Door（40）Locate experiment casing（11）Outside is equipped with voltage regulator（44）And power quality analyzer（45）, voltage regulator
（44）And power quality analyzer（45）Pass through pilot and PLC controller（42）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494052.7A CN108458838B (en) | 2018-05-22 | 2018-05-22 | Automatic reliability test device for fire-fighting electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494052.7A CN108458838B (en) | 2018-05-22 | 2018-05-22 | Automatic reliability test device for fire-fighting electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108458838A true CN108458838A (en) | 2018-08-28 |
| CN108458838B CN108458838B (en) | 2024-03-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810494052.7A Active CN108458838B (en) | 2018-05-22 | 2018-05-22 | Automatic reliability test device for fire-fighting electromagnetic valve |
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| CN110261099A (en) * | 2019-06-20 | 2019-09-20 | 江苏亿阀股份有限公司 | A kind of Subzero valve intercooling cycle experimental system |
| CN111060770A (en) * | 2019-12-31 | 2020-04-24 | 国网山东省电力公司临沂供电公司 | Electric power electric wire netting adaptability testing arrangement |
| CN118275056A (en) * | 2024-04-08 | 2024-07-02 | 普立默智能科技(上海)有限公司 | Proportional solenoid valve testing device and method |
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| CN109141767B (en) * | 2018-09-29 | 2020-07-28 | 大同新成新材料股份有限公司 | Air tightness detection device and method for pantograph carbon slide plate |
| CN110261099A (en) * | 2019-06-20 | 2019-09-20 | 江苏亿阀股份有限公司 | A kind of Subzero valve intercooling cycle experimental system |
| CN110261099B (en) * | 2019-06-20 | 2023-11-14 | 江苏亿阀股份有限公司 | Low-temperature valve internal cooling circulation experiment system |
| CN111060770A (en) * | 2019-12-31 | 2020-04-24 | 国网山东省电力公司临沂供电公司 | Electric power electric wire netting adaptability testing arrangement |
| CN118275056A (en) * | 2024-04-08 | 2024-07-02 | 普立默智能科技(上海)有限公司 | Proportional solenoid valve testing device and method |
| CN118275056B (en) * | 2024-04-08 | 2024-09-27 | 普立默智能科技(上海)有限公司 | Proportional solenoid valve testing device and method |
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