CN108458838B - Automatic reliability test device for fire-fighting electromagnetic valve - Google Patents
Automatic reliability test device for fire-fighting electromagnetic valve Download PDFInfo
- Publication number
- CN108458838B CN108458838B CN201810494052.7A CN201810494052A CN108458838B CN 108458838 B CN108458838 B CN 108458838B CN 201810494052 A CN201810494052 A CN 201810494052A CN 108458838 B CN108458838 B CN 108458838B
- Authority
- CN
- China
- Prior art keywords
- electromagnetic valve
- fire
- water
- box body
- test box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 109
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- 239000000919 ceramic Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 3
- 238000007654 immersion Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005507 spraying 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
Landscapes
- 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 an automatic test device for the reliability of a fire-fighting electromagnetic valve, which comprises a water booster pump, a water storage tank, a test box body and a bracket, wherein the test box body is arranged on the bracket, a water leakage sensor pad is arranged at the center of the bottom in the test box body, a fire-fighting electromagnetic valve sample is arranged on the water leakage sensor pad, the inlet end of the fire-fighting electromagnetic valve sample is connected with the water booster pump through a connecting pipe, the outlet end of the fire-fighting electromagnetic valve sample is connected to the water storage tank through a drain pipe, and the water outlet of the water storage tank is connected with the water inlet of the water booster pump through a water pipe to form water circulation; a water guide groove is arranged around the inner bottom of the test box body, a water guide pipe is arranged at the lowest point of the water guide groove, and a water outlet of the water guide pipe is connected with the reservoir; PTC ceramic heating devices are arranged at the lower parts of the left side and the right side in the test box body; the inner wall of the test box body is provided with a cooling pipe which is connected with a refrigerator. The invention can automatically and continuously complete the tests under the conditions of normal temperature, high temperature, low temperature, sealing and the like and automatically make test conclusions of time points of each section.
Description
Technical Field
The invention belongs to the technical field of fire-fighting product detection, and particularly relates to an automatic reliability test device for a fire-fighting electromagnetic valve.
Background
The fire-fighting electromagnetic valve used in the automatic water-spraying fire-extinguishing system needs to be subjected to spot check to make a reliability test, the fire-fighting electromagnetic valve meets the reliability requirement under the conditions of normal temperature, high temperature and low temperature, and finally meets the sealing requirement under the normal temperature. And in the normal temperature, high temperature and low temperature tests, a pressure source is connected to the inlet of the electromagnetic valve, and the electromagnetic valve is positively pressurized to rated working pressure, so that the valve is in a completely opened or closed state, and the switching frequency is not more than 30 times/min. The method comprises the steps of operating 20000 times at the normal temperature of 20+/-5 ℃ under the maximum working pressure and the rated working voltage, operating 10 times at the rated working pressure and the rated working voltage (100+/-15)% after the maximum working temperature of 70 ℃ is kept for 1h, operating 10 times at the rated working pressure and the rated working voltage (100+/-15)% after the minimum working temperature of 4 ℃ is kept for 1h, and finally providing 2 times of working pressure for the inlet end of the electromagnetic valve at the normal temperature to keep the pressure for 5min, wherein the outlet end of the electromagnetic valve is free from leakage, and the fire-fighting electromagnetic valve is free from any faults, structural damages and leakage in the test process of each section. Most of the tests are manually operated intermittently, such as high-temperature and low-temperature tests are performed by disassembling and assembling the electromagnetic valve after normal-temperature tests, the problems of high labor intensity, many human interference factors and low detection quality and efficiency exist in the tests, and the reliability test conclusion of the fire-fighting electromagnetic valve in a detailed time period is automatically made by only one test device which can be automatically installed under the conditions of normal temperature, high temperature, low temperature, sealing and the like.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the automatic reliability test device for the fire-fighting electromagnetic valve, which can reduce labor intensity and consider interference factors and improve detection quality and efficiency.
The invention is realized by the following technical scheme:
the utility model provides a fire control solenoid valve reliability automatic test device which characterized in that: the water circulation device comprises a water booster pump, a water storage tank, a test box body and a support, wherein the test box body is placed on the support, a layer of box body heat insulation layer is arranged on the inner wall of the test box body, a water leakage sensor pad is arranged at the center of the bottom in the test box body, a fire-fighting electromagnetic valve sample is placed on the water leakage sensor pad, the inlet end of the fire-fighting electromagnetic valve sample is connected with the water booster pump through a connecting pipe, the outlet end of the fire-fighting electromagnetic valve sample is connected to the water storage tank through a drain pipe, and the water outlet of the water storage tank is connected with the water inlet of the water booster pump through a water pipe to form water circulation; a water guide groove is formed in the periphery of the inner bottom of the test box body, a water guide pipe is arranged at the lowest point of the water guide groove, and a water outlet of the water guide pipe is connected with the reservoir; PTC ceramic heating devices are arranged at the lower parts of the left side and the right side in the test box body; the inner wall of the test box body is provided with a cooling pipe which is connected with a refrigerator.
A PLC controller is arranged outside the test box body; the water booster pump is provided with a pressure sensor I; the water booster pump, the pressure sensor I, the fire-fighting electromagnetic valve sample, the water leakage sensor pad, the PTC ceramic heating device and the refrigerator are connected with the PLC controller through control wires.
The middle of the inner top of the test box body is provided with a strong air exhaust device, which has the function of enabling the temperature in the test box body 11 to reach the normal temperature state as soon as possible, and the strong air exhaust device is connected with the PLC controller through a control wire.
The two ends of the fire control electromagnetic valve sample inlet and outlet are provided with quick connecting devices, the quick connecting devices are connected with flexible pipes through connecting pipes, the flexible pipes are connected with flexible pipes, the flexible pipes are connected with rigid fixing pipes, the rigid fixing pipes penetrate through and are fixed on two sides of the test box body, the rigid fixing pipes on the left side of the fire control electromagnetic valve sample are connected with drain pipes through elbows, and the rigid fixing pipes on the right side of the fire control electromagnetic valve sample are connected with the connecting pipes through elbows; the flexible pipe and the telescopic pipe are arranged on the test pipelines at the two ends of the inlet and the outlet, so as to adapt to the test samples with various specifications and sizes.
The vertical projection area of the water leakage sensor pad can contain the vertical projection area of the electromagnetic valve sample.
Temperature and humidity sensors are arranged on the periphery and the top of the inner wall of the test box body, and the temperature and humidity sensors are connected with the PLC through control wires.
The voltage regulator and the electric energy quality analyzer are arranged on the outer side of the box body at the box door and are connected with the PLC through control wires.
The beneficial effects of the invention are as follows: the invention reduces labor intensity and artificial interference factors, improves detection quality and efficiency, realizes detection automation, and achieves the purpose of installing the fire control electromagnetic valve sample in the device at one time, thus automatically and continuously completing tests under the conditions of normal temperature, high temperature, low temperature, sealing and the like and automatically making test conclusions of time points of each section.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of section B-B of FIG. 1;
fig. 3 is a side view of the present invention.
In the figure, 1 ground, 2 water booster pumps, 3 water pipes, 4 brackets, 5 refrigerators, 6 reservoirs, 7 pipes, 8 water drainage pipes, 9 elbows, 10 fixed rigid pipes, 11 test boxes, 12 box insulation layers, 13 cooling pipes, 14 telescopic pipes, 15 water tanks, 16 solenoid valves opened when meeting water, 17 hoses, 18 solenoid valves, 19 connecting pipes, 20 water leakage water logging sensors, 21 quick connecting devices, 22 fire solenoid valve samples, 23 solenoid valve opening and closing electric control parts, 24 temperature and humidity sensors, 25 monitoring cameras, 26 forced air exhaust devices, 28 cooling pipes, 31 pressure sensors II, 32 electric control regulating valves, 33 water leakage sensor pads, 35 PTC ceramic heating devices, 36 connecting pipes, 37 pressure sensors I, 38 door hinges, 39 sealing pads, 40 test box doors, 41 door handles, 42 PLC controllers, 43 test box shells, 44 voltage regulators and 45 electric energy quality analyzers.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings and the detailed description, to assist those skilled in the art in a more complete, accurate and thorough understanding of the inventive concept and technical solution thereof, and the scope of the present invention includes, but is not limited to, the following examples, any modifications made in the details and form of the technical solution thereof without departing from the spirit and scope of the present application.
The drawings illustrate one embodiment of the invention. The embodiment comprises a water booster pump 2, a reservoir 6, a test box 11 and a bracket 4, wherein the water booster pump 2, the bracket 4, a refrigerator 5 and the reservoir 6 are arranged on the ground 1, and a pressure sensor I37 is arranged on the water booster pump 2; the test box body 11 is placed on the support 4, a layer of box body heat preservation layer 12 is arranged on the inner wall of the test box body 11, a water leakage sensor pad 33 is arranged at the center position in the inner bottom of the test box body 11, a fire-fighting electromagnetic valve sample 22 is placed on the water leakage sensor pad 33, the vertical projection area of the water leakage sensor pad 33 can accommodate the vertical projection area of the fire-fighting electromagnetic valve sample 22 with various specifications, quick connecting devices 21 are arranged at the inlet and the outlet of the fire-fighting electromagnetic valve sample 22, the quick connecting devices 21 are connected with hoses 17 through connecting pipes 19, the hoses 17 are connected with telescopic pipes 14, the telescopic pipes 14 are connected with rigid fixed pipes 10, the rigid fixed pipes 10 at the left side of the fire-fighting electromagnetic valve sample 22 are connected with drain pipes 8 through elbows 9, the outlet end of the drain pipes 8 are connected with a reservoir 6, the rigid fixed pipes 10 at the right side of the fire-fighting electromagnetic valve sample 22 are connected with connecting pipes 36 through the elbows 9, the connecting pipes 36 are connected with a water booster pump 2, and water outlets of the reservoir 6 are connected with water inlets of the water booster pump 2 through the water pipes 3 to form water circulation; the flexible pipe 17 and the telescopic pipe 14 arranged on the test pipelines at the inlet and outlet ends of the fire-fighting electromagnetic valve test sample 22 are used for adapting to the fire-fighting electromagnetic valve test sample 22 with various specifications and sizes, and the rigid fixing pipe 10 penetrates through and is fixed at the two sides of the test box 11.
The periphery of the inner bottom of the test box body 11 is provided with a water guide groove 15, the lowest point of the water guide groove 15 is provided with a water guide pipe 7, and the water outlet of the water guide pipe 7 is connected with the reservoir 6; an inlet of the water guide pipe 7 is provided with a solenoid valve 16 which is opened when meeting water, and the solenoid valve is used for conducting when meeting water and closing when not meeting water so as to prevent temperature change in the test box 11. Temperature and humidity sensors 24 are arranged around the inner wall of the test box body 11, the temperature and humidity sensors 24 and a monitoring camera 25 are arranged at the inner top of the test box body, and a strong exhaust device 26 is arranged in the middle of the inner top of the test box body and is used for enabling the temperature in the test box body 11 to reach a normal temperature state as soon as possible. The PTC ceramic heating devices 35 are arranged at the lower parts of the left side and the right side in the test box 11, and the PTC ceramic heating devices 35 work to raise the temperature in the test box 11; the cooling pipe 13 is arranged on the inner wall of the test box 11, the cooling pipe 13 is connected with the refrigerator 5, and the refrigerator 5 works to reduce the temperature in the test box 11; the voltage regulator 44, the electric energy quality analyzer 45 and the display PLC controller 42 are arranged on the outer side of the test box body near the box door 40, the electric wires of each electric control device are connected with the display PLC controller 42, and image analysis software and test control programs are input to the PLC controller 42.
In the embodiment, when the fire control electromagnetic valve sample 22 is placed on a water leakage sensor pad 33 in a test box 11, a quick connection device 21 is arranged at the two ends of an inlet and an outlet of the fire control electromagnetic valve sample 22, a door 40 is closed, a test start button in a PLC (programmable logic controller) 42 is started and displayed, all electrical equipment controlled by the PLC 42 enters a working state, the PLC 42 controls the temperature in the test box 11 to be within a range of 20 ℃ +/-5 ℃, a water booster pump 2 works, an electric control regulating valve 32 is opened after a specified pressure is reached, so that pressure water reaches the inlet end of the fire control electromagnetic valve sample 22 in a closed state, and after pressure data transmitted to the PLC 42 by a pressure sensor II 31 at the inlet end of the fire control electromagnetic valve sample 22 reaches a specified value, the PLC 42 controls a voltage regulator 44 to supply rated voltage to the fire control electromagnetic valve sample 22, so that the fire control electromagnetic valve sample 22 is opened. The switching frequency of opening and closing the fire control electromagnetic valve sample 22 is not more than 30 times/min, the opening and closing are one working cycle, and after 20000 times of cycles, the PLC 42 controls the voltage regulator 44 to stop supplying power to the fire control electromagnetic valve sample 22, and the fire control electromagnetic valve sample 22 is in a closed state.
The PLC controller 42 starts the PTC ceramic heating device 35 to raise the temperature in the test chamber 11 to the maximum operating temperature of 70 ℃ and after maintaining the temperature for 1 hour, the PLC controller 42 controls the voltage regulator 44 to supply the rated operating voltage x (100±15)% to the fire control solenoid valve sample 22, and after 10 operations of each fire control solenoid valve sample 22, the voltage regulator 44 stops the power supply to the fire control solenoid valve sample 22, and the fire control solenoid valve sample 22 is in the closed state.
The PLC controller 42 turns off the PTC ceramic heating device 35, turns on the strong exhaust device 26 on the top of the test box body, turns off the strong exhaust device 26 after hot air in the test box body 11 is exhausted, the PLC controller 42 starts the refrigerator 5 to enable the temperature in the test box body 11 to be reduced to the lowest temperature of 4 ℃, after keeping the temperature for 1h, the PLC controller 42 controls the voltage regulator 44 to provide rated working voltage (100+/-15)% for the fire-fighting electromagnetic valve sample 22, and the voltage regulator 44 stops supplying power to the fire-fighting electromagnetic valve sample 22 after the fire-fighting electromagnetic valve sample 22 is respectively operated for 10 times under the condition that the voltage value is 100+/-15)%.
The PLC controller 42 stops the refrigerator 5 and starts the strong exhaust device 26 to exhaust cold air in the test box 11, so that the temperature in the test box 11 is in a normal temperature state, the PLC controller 42 controls the pressure of the water booster pump 2 to rise to 2 times of the inlet working pressure of the fire control electromagnetic valve sample 22, after the data transmitted to the PLC controller 42 by the pressure sensor II 31 at the inlet of the fire control electromagnetic valve sample 22 reach 2 times of the working pressure, the PLC controller 42 starts timing, the time is kept for 5 minutes, and the data transmitted to the PLC controller 42 by the water leakage water logging sensor 20 at the outlet end of the fire control electromagnetic valve sample 22 in the 5 minutes is water leakage free water logging data. The water leakage sensor pad 33 below the fire control electromagnetic valve sample 22 does not send out water leakage signals to the PLC controller 42 in the normal temperature, high temperature, low temperature and sealing test process, the PLC controller 42 analyzes and compares the image data transmitted by the camera 25 at the top in the test box 11, the fire control electromagnetic valve sample 22 does not deform and damage, the PLC controller 42 calculates the data curve transmitted by the electric energy quality analyzer 45 and the like to obtain that the fire control electromagnetic valve sample 22 does not have inaccurate or slow action in the closing and opening actions of each time, and the PLC controller 42 automatically makes the test qualification conclusion of the reliability of each section of the fire control electromagnetic valve sample 22 when the conditions are met. Otherwise, the device is unqualified and shows the reason and the time period.
The device reduces labor intensity and artificial interference factors, can automatically complete the test under the conditions of normal temperature, high temperature, low temperature, sealing and the like and make test conclusion by installing the fire control electromagnetic valve sample once, realizes detection automation, and improves detection quality and efficiency.
Claims (7)
1. The utility model provides a fire control solenoid valve reliability automatic test device which characterized in that: the water circulation type fire control device comprises a water booster pump (2), a reservoir (6), a test box body (11) and a support (4), wherein the test box body (11) is placed on the support (4), a layer of box body heat insulation layer (12) is arranged on the inner wall of the test box body (11), a water leakage sensor pad (33) is arranged at the center position in the test box body (11), a fire control electromagnetic valve sample (22) is placed on the water leakage sensor pad (33), the inlet end of the fire control electromagnetic valve sample (22) is connected with the water booster pump (2) through a connecting pipe (36), the outlet end of the fire control electromagnetic valve sample (22) is connected to the reservoir (6) through a drain pipe (8), and the water outlet of the reservoir (6) is connected with the water inlet of the water booster pump (2) through a water pipe (3) to form water circulation; a water guide groove (15) is formed in the periphery of the inner bottom of the test box body (11), a water guide pipe (7) is arranged at the lowest point of the water guide groove (15), and a water outlet of the water guide pipe (7) is connected with the water reservoir (6); PTC ceramic heating devices (35) are arranged at the lower parts of the left side and the right side in the test box body (11); a cooling pipe (13) is arranged on the inner wall of the test box body (11), and the cooling pipe (13) is connected with the refrigerator (5); a PLC controller (42) is arranged outside the test box body (11); the water booster pump (2) is provided with a pressure sensor I (37); the water booster pump (2), the pressure sensor I (37), the fire-fighting electromagnetic valve sample (22), the water leakage sensor pad (33), the PTC ceramic heating device (35) and the refrigerator (5) are connected with the PLC (42) through control wires; quick connecting devices (21) are arranged at the two ends of an inlet and an outlet of the fire-fighting electromagnetic valve sample (22), the quick connecting devices (21) are connected with a hose (17) through connecting pipes (19), the hose (17) is connected with a telescopic pipe (14), the telescopic pipe (14) is connected with a rigid fixed pipe (10), the rigid fixed pipe (10) penetrates through and is fixed at the two sides of a test box body (11), the rigid fixed pipe (10) at the left side of the fire-fighting electromagnetic valve sample (22) is connected with a drain pipe (8) through an elbow (9), and the rigid fixed pipe (10) at the right side of the fire-fighting electromagnetic valve sample (22) is connected with a connecting pipe (36) through the elbow (9); a pressure sensor II (31) and an electric control regulating valve (32) are arranged at the inlet end connecting pipe (19) of the fire control electromagnetic valve sample (22); a water leakage and water logging sensor (20) and an electromagnetic valve (18) are arranged at the outlet end connecting pipe (19) of the fire-fighting electromagnetic valve sample (22); the pressure sensor II (31), the electric control regulating valve (32), the water leakage and immersion sensor (20) and the electromagnetic valve (18) are connected with the PLC (42) through control wires; the working flow of the automatic reliability test device for the fire-fighting electromagnetic valve comprises the following steps: s1, placing a fire-fighting electromagnetic valve sample (22) on a water leakage sensor pad (33) in a test box body (11), installing the quick connection device (21) at the two ends of an inlet and an outlet of the fire-fighting electromagnetic valve sample (22), closing a door (40), starting a test start button in a display PLC (42), enabling all electrical equipment controlled by the PLC (42) to enter a working state, controlling the temperature in the test box body (11) to be within a range of 20+/-5 ℃ at normal temperature by the PLC (42), enabling a water booster pump (2) to work when the water booster pump reaches a specified pressure, enabling an electric control regulating valve (32) to be opened to enable pressure water to reach the inlet end of the fire-fighting electromagnetic valve sample (22) in a closed state, controlling a pressure sensor II (31) at the inlet end of the fire-fighting electromagnetic valve sample (22) to reach a specified value, and controlling a voltage regulator (44) to provide rated voltage to the fire-fighting electromagnetic valve sample (22) so as to enable the fire-fighting electromagnetic valve sample (22) to be opened by the PLC (42), and enabling the electromagnetic valve sample (22) to be opened and closed at a switching frequency of not more than 30 times/min after the electromagnetic valve sample (22) is opened and closed for 20000 times and the working cycle controller (22) is controlled to stop the fire-fighting electromagnetic valve sample (22) to be in a closed state; s2, starting a PTC ceramic heating device (35) by a PLC (42) to enable the temperature in a test box body (11) to rise to the highest working temperature of 70 ℃, keeping the temperature for 1h, and enabling the voltage regulator (44) to stop power supply to the fire control electromagnetic valve sample (22) after the voltage regulator (44) stops power supply to the fire control electromagnetic valve sample (22) 10 times under the condition that the voltage value of rated working voltage is x (100+/-15)% to be provided for the fire control electromagnetic valve sample (22) by the PLC (42); s3, a PLC (42) turns off the PTC ceramic heating device (35), turns on a strong exhaust device (26) on the top of the test box body, enables hot air in the test box body (11) to be exhausted, turns off the strong exhaust device (26), starts a refrigerator (5) to enable the temperature in the test box body (11) to be reduced to the lowest temperature of 4 ℃, keeps the temperature for 1h, controls a voltage regulator (44) to provide a voltage value of rated working voltage x (100+/-15)% for a fire-fighting electromagnetic valve sample (22), enables the voltage regulator (44) to stop supplying power to the fire-fighting electromagnetic valve sample (22) after each fire-fighting electromagnetic valve acts for 10 times, and enables the fire-fighting electromagnetic valve sample (22) to be in a closed state; s4, the PLC (42) stops the refrigerator (5) and starts the strong exhaust device (26) to exhaust cold air in the test box body (11), the temperature in the test box body (11) is in a normal temperature state, the PLC (42) controls the pressure of the water booster pump (2) to be increased to 2 times of the inlet working pressure of the fire-fighting electromagnetic valve sample (22), after the data transmitted by the pressure sensor II (31) at the inlet of the fire-fighting electromagnetic valve sample (22) to the PLC (42) reaches 2 times of the working pressure, the PLC (42) starts timing, the time is kept for 5min, and the data transmitted to the PLC (42) by the water leakage water logging sensor (20) at the outlet end of the fire-fighting electromagnetic valve sample (22) in the 5min is water leakage free water logging data; the water leakage sensor pad (33) below the fire control electromagnetic valve sample (22) does not send out water leakage signals to the PLC (42) in the normal temperature, high temperature, low temperature and sealing test process, the PLC (42) analyzes and compares the image data transmitted by the camera (25) at the inner top of the test box (11) and then the fire control electromagnetic valve sample (22) is not deformed and damaged, the PLC (42) calculates the data curve transmitted by the electric energy quality analyzer (45) and the like to obtain that the fire control electromagnetic valve sample (22) has no action inaccuracy or delay condition in the closing and opening actions of each time, when the conditions are met, the PLC (42) automatically makes a qualified conclusion of the reliability test of each section of the fire-fighting electromagnetic valve sample (22); otherwise, the method is disqualified and the reasons and the time period are presented.
2. The automatic reliability test device for a fire electromagnetic valve according to claim 1, wherein: the middle of the inner top of the test box body (11) is provided with a strong air exhaust device (26), and the strong air exhaust device (26) is connected with a PLC (programmable logic controller) 42 through a control wire.
3. The automatic reliability test device for a fire electromagnetic valve according to claim 1, wherein: the vertical projection area of the water leakage sensor pad (33) can contain the vertical projection area of the electromagnetic valve sample (22).
4. The automatic reliability test device for a fire electromagnetic valve according to claim 1, wherein: an inlet of the water guide pipe (7) is provided with a water opening electromagnetic valve (16), and the water opening electromagnetic valve (16) is connected with a PLC (programmable logic controller) 42 through a control wire.
5. The automatic reliability test device for a fire electromagnetic valve according to claim 1, wherein: temperature and humidity sensors (24) are arranged on the periphery and the top of the inner wall of the test box body (11), and the temperature and humidity sensors (24) are connected with a PLC (programmable logic controller) 42 through control wires.
6. The automatic reliability test device for a fire electromagnetic valve according to claim 1, wherein: the top is equipped with surveillance camera head (25) in the test box, and surveillance camera head (25) are connected with PLC controller (42) through control wire.
7. The automatic reliability test device for a fire electromagnetic valve according to claim 1, wherein: the outside of the test box body (11) at the door (40) is provided with a voltage regulator (44) and an electric energy quality analyzer (45), and the voltage regulator (44) and the electric energy quality analyzer (45) are connected with the PLC (42) through control wires.
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 CN108458838A (en) | 2018-08-28 |
| CN108458838B true CN108458838B (en) | 2024-03-29 |
Family
ID=63215764
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108458838B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646601A (en) * | 2013-12-05 | 2014-03-19 | 渤海大学 | Teaching and scientific research platform equipment based on industrial process simulation |
| CN104614164A (en) * | 2015-01-20 | 2015-05-13 | 上海市特种设备监督检验技术研究院 | High-pressure circulating fatigue testing system for electromagnetic valve |
| CN105758598A (en) * | 2016-04-22 | 2016-07-13 | 上海市特种设备监督检验技术研究院 | Low temperature test device of valve performance |
| CN106840550A (en) * | 2017-01-09 | 2017-06-13 | 大禹节水集团股份有限公司 | Multifunction ball valve fatigue tester |
| CN106950109A (en) * | 2017-04-01 | 2017-07-14 | 山东省产品质量检验研究院 | A kind of fire-fighting carries torque automatic test equipment with plough groove type pipe joint |
| CN206399746U (en) * | 2016-12-16 | 2017-08-11 | 建湖县产品质量监督检验所 | A kind of high-low temperature test chamber tested for PR2 gate valves and casing head |
| CN107280476A (en) * | 2017-07-31 | 2017-10-24 | 湖南长翔实业有限公司 | A kind of pipeline overflow-type direct drinking extension set of cistern free |
| CN208476467U (en) * | 2018-05-22 | 2019-02-05 | 山东和富工程检测有限公司 | A kind of electromagnetic valve for fire control reliability automatic test equipment |
-
2018
- 2018-05-22 CN CN201810494052.7A patent/CN108458838B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646601A (en) * | 2013-12-05 | 2014-03-19 | 渤海大学 | Teaching and scientific research platform equipment based on industrial process simulation |
| CN104614164A (en) * | 2015-01-20 | 2015-05-13 | 上海市特种设备监督检验技术研究院 | High-pressure circulating fatigue testing system for electromagnetic valve |
| CN105758598A (en) * | 2016-04-22 | 2016-07-13 | 上海市特种设备监督检验技术研究院 | Low temperature test device of valve performance |
| CN206399746U (en) * | 2016-12-16 | 2017-08-11 | 建湖县产品质量监督检验所 | A kind of high-low temperature test chamber tested for PR2 gate valves and casing head |
| CN106840550A (en) * | 2017-01-09 | 2017-06-13 | 大禹节水集团股份有限公司 | Multifunction ball valve fatigue tester |
| CN106950109A (en) * | 2017-04-01 | 2017-07-14 | 山东省产品质量检验研究院 | A kind of fire-fighting carries torque automatic test equipment with plough groove type pipe joint |
| CN107280476A (en) * | 2017-07-31 | 2017-10-24 | 湖南长翔实业有限公司 | A kind of pipeline overflow-type direct drinking extension set of cistern free |
| CN208476467U (en) * | 2018-05-22 | 2019-02-05 | 山东和富工程检测有限公司 | A kind of electromagnetic valve for fire control reliability automatic test equipment |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局，中国国家标准化管理委员会.中华人民共和国国家标准 GB 5135.6—2018 自动喷水灭火系统第6部分:通用阀门.2018,1-28. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108458838A (en) | 2018-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108458838B (en) | Automatic reliability test device for fire-fighting electromagnetic valve | |
| CN104976764A (en) | Hot water generator | |
| CN111580017B (en) | Transformer electric-heat combined simulation experiment device based on wide-range gradient temperature field | |
| CN110220796B (en) | Semi-automatic pipe fitting hydrostatic test machine | |
| CN208476467U (en) | A kind of electromagnetic valve for fire control reliability automatic test equipment | |
| CN102436960B (en) | Heating device of sulfur hexafluoride used in low-temperature areas | |
| CN204435483U (en) | Plant's photovoltaic automatic spraying device | |
| US20160017577A1 (en) | Device and method for protecting water-based equipment | |
| CN115492983A (en) | Automatic valve opening controller and control method thereof | |
| CN209445605U (en) | A kind of instantaneous water heater's security appliance test device | |
| US11047581B2 (en) | Method for constructing a water circulation device and scale removal device | |
| CN107462461B (en) | Explosion experiment device for injection hose assembly of cart-type fire extinguisher | |
| CN110360757B (en) | Water heater and control method thereof | |
| CN109437506B (en) | Centrifugal dehydration and drying integrated system and rapid cooling method thereof | |
| CN211041130U (en) | Heating equipment | |
| CN208433281U (en) | A kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things | |
| CN108181232B (en) | Environment box capable of circularly controlling corrosion resistance of acid-base salt water solution | |
| CN105737386B (en) | The water intaking pipeline and its control method of boiler | |
| CN102466077A (en) | Touch type instant heating water faucet | |
| CN217433048U (en) | Constant temperature system applied to megasonic powder forming system | |
| CN220461033U (en) | Automatic concrete temperature adjusting and spraying system for shallow round bin wall | |
| CN110411680A (en) | A kind of liquid injection and pressure-detecting device for closed liquid cooling system | |
| CN215115785U (en) | Environmental simulation equipment for testing gas pipeline | |
| CN114198194A (en) | Intercooler system for low-temperature test and control method thereof | |
| CN205897919U (en) | A liquid cooling equipment for wind power generation laboratory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |