CN107942173B - A simulation equipment of drenching with rain for wet test - Google Patents
A simulation equipment of drenching with rain for wet test Download PDFInfo
- Publication number
- CN107942173B CN107942173B CN201711353020.7A CN201711353020A CN107942173B CN 107942173 B CN107942173 B CN 107942173B CN 201711353020 A CN201711353020 A CN 201711353020A CN 107942173 B CN107942173 B CN 107942173B
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- bracket
- support
- water delivery
- rain
- spray
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000004088 simulation Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000007921 spray Substances 0.000 claims abstract description 54
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012812 general test Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention provides a simulated rain equipment for a wet test, which comprises the following components: a support platform; the bracket is arranged on the supporting platform; one end of the bracket in the length direction is hinged with the bracket, and the bracket can swing in a vertical plane; the frame body swing bearing mechanism is connected with the bracket and supports the bracket; the water delivery device is arranged on the supporting platform and is provided with a valve; the water delivery main pipe is connected with the water delivery device, penetrates through the bracket and is placed on the bracket; the inlet of each spray pipe is connected with the water delivery main pipe, and the outlet of each spray pipe is hinged with a spray head; the plurality of spray pipes are sequentially arranged in parallel along the width direction of the bracket, and the lengths of the plurality of spray pipes which are sequentially arranged in parallel are sequentially increased. The invention can accurately control the horizontal and vertical components of the simulated natural rain, reduce the local abnormal rain rate, and realize the effect of simulating the natural rain by adjusting the height of the spray head, the angle of the spray head and the water quantity, and has wide adjustable range.
Description
Technical Field
The invention relates to the technical field of experimental devices, in particular to a simulated rain device for a wet test.
Background
Some electrical devices are required to be used in outdoor environments, such as outdoor cable terminations, which require the electrical device to remain in a properly functioning condition without flashover or breakdown during rain conditions. According to GB/T16927.1-1997, general test requirements for the first part of the high Voltage test technology, standard rain conditions include: the limit value of each component, the collected rain temperature, the resistivity of the collected water corrected to 20 ℃ and the average rain rate of all measured points are measured separately each time. According to the difference of the areas of equipment use, the rain state is also different greatly, and simulation is required to be carried out on different rain states in the test, so that challenges are presented to the rain test device.
At present, a single shower nozzle is mainly used as a shower device in the market, and the rainfall simulating natural rain is regulated by regulating the flow of the shower nozzle. However, in the actual natural environment, natural rain will have a certain inclination direction due to the action of air flow, and can be mathematically abstracted into a horizontal component and a vertical component of natural rain. If the effect of simulating natural rain in a wet test is more real and reliable, the simulated natural rain is required to have a certain inclination according to standard requirements, and the rain device with a single spray head obviously cannot meet the requirements, so that the local abnormal rain rate is caused.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to providing a simulated rain device for wet testing.
In order to solve the above technical problems, the present invention provides a simulated rain device for a wet test, comprising: a support platform; the bracket is arranged on the supporting platform; a bracket, one end of which in the length direction is hinged with the bracket, the bracket being swingable in a vertical plane; the frame body swing bearing mechanism is connected with the bracket and supports the bracket; the water delivery device is arranged on the supporting platform and is provided with a valve; a water delivery main pipe connected with the water delivery device, wherein the water delivery main pipe penetrates through the bracket and is placed on the bracket; the inlets of the spray pipes are connected with the water delivery main pipe, and the outlets of the spray pipes are hinged with a spray head; the spray pipes are sequentially arranged in parallel along the width direction of the bracket, and the lengths of the spray pipes sequentially arranged in parallel along the width direction of the bracket are sequentially increased.
Preferably, the water delivery device comprises a water storage tank, the water storage tank is connected with the water delivery main pipe through a water tank pipe, a pump body is arranged on the water delivery main pipe, and the valve is arranged on the pump body.
Preferably, the frame body swing bearing mechanism is an air cylinder, and the upper end of a piston rod of the air cylinder is connected with the bottom of the bracket.
Further, the frame body swing bearing mechanism is mounted on the support.
Furthermore, the simulated rain equipment for the wet test further comprises steps arranged on the supporting platform, the steps and the water delivery device are respectively arranged on two sides of the support, and the steps are arranged on one side of the support, provided with the support body swing bearing mechanism.
Preferably, the support comprises a support vertical rod and a support block connected with one side of the support vertical rod, the support block is connected with the support body swing bearing mechanism, and the water delivery main pipe penetrates through the support vertical rod.
Preferably, the simulated rain device for the wet test further comprises a plurality of wheels arranged at the bottom of the supporting platform.
Further, the simulated rain equipment for the wet test further comprises a plurality of supporting feet hinged with the side face of the supporting platform; when each supporting leg is folded to the side face of the supporting platform, a gap is reserved between the supporting leg and the bottom face of the wheel; when each supporting leg is unfolded, the bottom surface of each supporting leg is positioned below the bottom surface of the wheel.
As described above, the simulated rain equipment for the wet test of the present invention has the following advantageous effects:
1) In the invention, the bracket swings in a vertical plane, and the bracket body swinging bearing mechanism supports the bracket; the spray pipes are sequentially arranged on the bracket in parallel, the angle relative to the horizontal direction can be adjusted, and the height of each spray head on the spray pipe can be adjusted; the spray head is rotated, so that the angle of the spray head relative to the installed spray pipe can be adjusted; the water quantity of the water delivery main pipe delivered by the water delivery device can be adjusted by adjusting the opening of the valve; therefore, the simulated rain equipment for the wet test can realize the adjustment of the spraying flow and the spraying angle so as to meet the average rain rate requirement of the horizontal component and the vertical component in the wet test;
2) The invention can accurately control the horizontal and vertical components of the simulated natural rain, reduce the local abnormal rain rate, and realize the effect of simulating the natural rain by adjusting the height of the spray head, the angle of the spray head and the water quantity, and has wide adjustable range;
3) The invention has compact structure, is foldable and is convenient for moving.
Drawings
Fig. 1 is a schematic view showing the structure of a simulated rain apparatus for a wet test of the present embodiment.
Fig. 2 is a schematic view showing a structure in which a plurality of nozzles in the simulated rain device for wet test of the present embodiment are sequentially arranged in parallel along the width direction of the bracket.
Description of the reference numerals
100. Supporting platform
110. Step
200. Support frame
210. Support vertical rod
220. Supporting block
300. Bracket
400. Frame body swinging bearing mechanism
500. Water delivery device
510. Water storage tank
520. Pump body
600. Spray pipe
610. Spray head
700. Wheel
800. Supporting leg
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to the accompanying drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
As shown in fig. 1 and 2, the simulated rain apparatus for wet test of the present embodiment includes:
a support platform 100;
a bracket 200 disposed on the support platform 100;
a bracket 300, one end of the bracket 300 in the length direction is hinged with the bracket 200, and the bracket 300 can swing in a vertical plane;
a frame body swing receiving mechanism 400 connected to the bracket 300 and supporting the bracket 300;
the water delivery device 500 is arranged on the supporting platform 100, and a valve is arranged on the water delivery device 500;
a water delivery manifold connected to the water delivery device 500, the water delivery manifold passing through the bracket 200 and being placed on the bracket 300;
a plurality of spray pipes 600, wherein the inlet of each spray pipe 600 is connected with a water delivery main pipe, and the outlet of each spray pipe 600 is hinged with a spray head 610; the plurality of nozzles 600 are sequentially arranged in parallel along the width direction of the bracket 300, and the lengths of the plurality of nozzles 600 sequentially arranged in parallel along the width direction of the bracket 300 are sequentially increased.
In the present invention, the bracket 300 swings in a vertical plane, and the bracket 300 is supported by the bracket body swing receiving mechanism 400; the plurality of spray pipes 600 sequentially arranged in parallel on the bracket 300 can be adjusted with respect to the angle in the horizontal direction, and the height of each spray head 610 on the spray pipe 600 can be adjusted; rotating the spray head 610 can adjust the angle of the spray head 610 with respect to the installed spray pipe 600; the water quantity delivered to the water delivery main pipe by the water delivery device 500 can be adjusted by adjusting the opening degree of the valve; therefore, the simulated rain equipment for the wet test can realize the adjustment of the spraying flow and the spraying angle so as to meet the average rain rate requirement of the horizontal component and the vertical component in the wet test.
The plurality of spray pipes 600 are sequentially arranged in parallel along the width direction of the bracket 300, and the lengths of the plurality of spray pipes 600 which are sequentially arranged in parallel are sequentially increased, so that the plurality of spray pipes 600 form a segmented structure so as to facilitate the simulated rain test; the frame body swing receiving mechanism 400 drives the bracket 300 to swing in a vertical plane, so that the bracket 300 can form a folded state when moving downwards, and a plurality of spray pipes 600 and the bracket 300 form a segmented folding structure; when the device of the invention is in use, the bracket 300 is opened, i.e. the bracket 300 is pushed upwards; when the device of the present invention needs to be moved for transportation, the bracket 300 is retracted, i.e., the bracket 300 is pulled upward, so that the bracket 300 is retracted to facilitate the whole movement of the device.
In this embodiment, the bracket 300 is elongated.
The water delivery device 500 comprises a water storage tank 510, the water storage tank 510 is connected with a water delivery main pipe through a water tank pipe, a pump body 520 is arranged on the water delivery main pipe, and a valve is arranged on the pump body 520. The water storage tank 510 is used for storing water, the pump body 520 drives water flow to move rapidly, and the flow of the water delivery main pipe can be adjusted by adjusting a valve on the pump body 520. In this embodiment, the valve is provided with a knob, and the operator can adjust the spraying flow of the spray head 610 by rotating the knob, so that the operation is simple and convenient. The manual operation knob is continuously adjustable, so that the simulated rain state is more real and reliable. The pump body 520 adopts a centrifugal pump, and the centrifugal pump can be arranged to ensure that the structure is simple and compact, the conveying flow is large, and the liquid discharge is uniform and has no pulse phenomenon.
The frame body swing bearing mechanism 400 is a cylinder, and the upper end of a piston rod of the cylinder is connected with the bottom of the bracket 300. A worker pulls the carriage 300 to move the carriage 300 with the piston in the cylinder to position the carriage 300 at a desired movement.
The frame body swing bearing mechanism 400 is arranged on the bracket 200, so that the structure of the device is more compact.
The simulated rain equipment for the wet test further comprises a step 110 arranged on the supporting platform 100, wherein the step 110 and the water delivery device 500 are respectively arranged on two sides of the bracket 200, and the step 110 is arranged on one side of the mounting frame body swing bearing mechanism 400 of the bracket 200. The worker can stand on the step 110 to drive the bracket 300 to swing, and the step 110 is provided on one side of the mount body swing receiving mechanism 400 of the bracket 200, so that the worker can move the bracket 300 conveniently.
The bracket 200 comprises a support vertical rod 210 and a support block 220 connected with one side of the support vertical rod 210, wherein the support block 220 is connected with a bracket body swing bearing mechanism 400, and a water delivery main pipe penetrates through the support vertical rod 210. The structure enables the water delivery manifold to be supported by the support vertical rods 210, the frame body swing bearing mechanism 400 is supported by the support blocks 220, the water delivery manifold and the frame body swing bearing mechanism 400 are respectively and stably supported, and the bracket 300 supported by the frame body swing bearing mechanism 400 does not influence the water delivery manifold in moving.
The simulated rain device for wet testing further comprises a plurality of wheels 700 disposed on the bottom of the support platform 100. The wheels 700 are provided to facilitate simulating movement of the rain apparatus. The wheels 700 are four, and the four wheels 700 are disposed at four corners of the bottom surface of the support platform 100.
The simulated rain device for wet test further comprises a plurality of support legs 800 hinged to the side of the support platform 100; when each support leg 800 is folded to the side of the support platform 100, the support leg 800 is spaced from the bottom surface of the wheel 700; when each support foot 800 is deployed, the bottom surface of each support foot 800 is below the bottom surface of wheel 700. When each support leg 800 is folded to the side of the support platform 100, the support legs 800 do not affect the movement of the wheels 700; when each supporting leg 800 is unfolded, the bottom surface of the supporting leg 800 can press the ground to perform a stable supporting function. The number of the supporting feet 800 is four, and the four supporting feet 800 are arranged at four corners of the side surface of the supporting platform 100.
The using method of the simulated rain equipment for the wet test of the embodiment comprises the following steps:
1) Pushing the tray 300 upward to open the tray 300; opening a valve on the pump body 520 to start simulating a natural rain state;
2) Measuring a horizontal component and a vertical component simulating natural rain;
3) Adjusting the angle of the spray head 610 and the valve of the pump body 520 to enable the rain rate and the rain angle of the simulated natural rain to reach the standard requirements, and determining the relative positions of the tested electrical equipment and the rain device;
4) And detecting the current value of the ground wire, and starting the test if no problem exists.
When the device is used, the current value of the ground wire is detected, if the ground wire is current, the insulation of the experimental cable is considered to be damaged, the water jet is rapidly cut off, and the danger caused by current leakage is avoided.
In this embodiment, the number of the spray nozzles 610 is 7, and the spray angle of the water flow generated by the spray nozzles 610 is 15 ° to 25 ° at the position 5 m to 10m from the ground of the 7 spray nozzles 610, and the spray distance of the water flow is greater than 10m. The structural dimensions of the spray head 610 are the same as the structure of the spray nozzle in the wet test in GB/T16927.1-1997 general test requirements of the first part of the high Voltage test technology.
The invention can accurately control the horizontal and vertical components of the simulated natural rain, reduce the local abnormal rain rate, and realize the effect of simulating the natural rain by adjusting the height of the spray head 610, the angle of the spray head 610 and the water quantity, and has wide adjustable range; the invention has compact and foldable structure and is convenient for moving.
In conclusion, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (7)
1. A simulated rain apparatus for use in a wet test, comprising:
a support platform (100);
a bracket (200) arranged on the support platform (100);
a bracket (300), one end of the bracket (300) in the length direction is hinged with the bracket (200), and the bracket (300) can swing in a vertical plane;
a frame body swing receiving mechanism (400) which is connected to the bracket (300) and supports the bracket (300);
the water delivery device (500) is arranged on the supporting platform (100), and a valve is arranged on the water delivery device (500); a water delivery manifold connected to the water delivery device (500), the water delivery manifold passing through the bracket (200) and being placed on the bracket (300);
a plurality of spray pipes (600), wherein an inlet of each spray pipe (600) is connected with the water delivery main pipe, and an outlet of each spray pipe (600) is hinged with a spray head (610); the plurality of spray pipes (600) are sequentially arranged in parallel along the width direction of the bracket (300), and the lengths of the plurality of spray pipes (600) which are sequentially arranged in parallel along the width direction of the bracket (300) are sequentially increased;
the water delivery device (500) comprises a water storage tank (510), the water storage tank (510) is connected with the water delivery main pipe through a water tank pipe, a pump body (520) is arranged on the water delivery main pipe, and a valve is arranged on the pump body (520).
2. The simulated rain device for wet testing of claim 1, wherein: the frame body swing bearing mechanism (400) is an air cylinder, and the upper end of a piston rod of the air cylinder is connected with the bottom of the bracket (300).
3. The simulated rain device for wet testing of claim 2, wherein: the frame body swing bearing mechanism (400) is arranged on the bracket (200).
4. A simulated rain device for wet testing as claimed in claim 3 wherein: the support platform is characterized by further comprising steps (110) arranged on the support platform (100), wherein the steps (110) and the water delivery device (500) are respectively arranged on two sides of the support (200), and the steps (110) are arranged on one side of the support (200) where the support body swing bearing mechanism (400) is arranged.
5. The simulated rain device for wet testing of claim 1, wherein: the support (200) comprises a support vertical rod (210) and a support block (220) connected with one side of the support vertical rod (210), the support block (220) is connected with the support body swing bearing mechanism (400), and the water delivery main pipe penetrates through the support vertical rod (210).
6. The simulated rain device for wet testing of claim 1, wherein: and a plurality of wheels (700) arranged at the bottom of the supporting platform (100).
7. The simulated rain device for wet testing of claim 6, wherein: also comprises a plurality of support legs (800) hinged with the side surfaces of the support platform (100); when each supporting leg (800) is folded to the side surface of the supporting platform (100), a gap exists between the supporting leg (800) and the bottom surface of the wheel (700); when each of the support legs (800) is unfolded, the bottom surface of each of the support legs (800) is located below the bottom surface of the wheel (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353020.7A CN107942173B (en) | 2017-12-15 | 2017-12-15 | A simulation equipment of drenching with rain for wet test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353020.7A CN107942173B (en) | 2017-12-15 | 2017-12-15 | A simulation equipment of drenching with rain for wet test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107942173A CN107942173A (en) | 2018-04-20 |
| CN107942173B true CN107942173B (en) | 2023-10-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711353020.7A Active CN107942173B (en) | 2017-12-15 | 2017-12-15 | A simulation equipment of drenching with rain for wet test |
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| CN (1) | CN107942173B (en) |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730296B (en) * | 2015-04-10 | 2017-10-17 | 合肥京东方光电科技有限公司 | Hot and humid test device and hot and humid test system |
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2017
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| CN204008876U (en) * | 2014-02-20 | 2014-12-10 | 浙江田中精机股份有限公司 | Testing electrical property unit in a kind of electronic coil test machine |
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| CN107942173A (en) | 2018-04-20 |
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