CN111735748A - Water seepage test device - Google Patents
Water seepage test device Download PDFInfo
- Publication number
- CN111735748A CN111735748A CN202010655847.9A CN202010655847A CN111735748A CN 111735748 A CN111735748 A CN 111735748A CN 202010655847 A CN202010655847 A CN 202010655847A CN 111735748 A CN111735748 A CN 111735748A
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- Prior art keywords
- water
- pipe
- cable
- test device
- replenishing pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 255
- 238000012360 testing method Methods 0.000 title claims abstract description 89
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000001764 infiltration Methods 0.000 claims description 16
- 230000008595 infiltration Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 11
- 230000035515 penetration Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Abstract
The invention relates to the field of water seepage tests and discloses a water seepage test device which comprises a water pipe which is vertically arranged, wherein a cable to be tested is positioned below the water pipe and is communicated with the bottom of the water pipe, and an overflow hole is formed in a preset height position on the water pipe, so that the cable is tested under standard water pressure; the water inlet of the water replenishing pump is communicated with the water storage tank, and the water outlet of the water replenishing pump is communicated with the water pipe; and the water level detection unit is used for detecting whether the liquid level in the water pipe is lower than a preset height or not, and the water replenishing pump can work or stop working according to the detection result of the water level detection unit. According to the invention, when the water level detection unit detects that the water level in the water pipe is lower than the preset height, the water replenishing pump replenishes water for the water pipe, and when the water level detection unit detects that the water level in the water pipe is higher than the preset height, the water replenishing pump stops working and overflows through the overflow hole, so that automatic water replenishing and overflowing of the water pipe are realized, the cable is always tested under the standard water pressure, and the water seepage condition of the cable is more standardized.
Description
Technical Field
The invention relates to the field of water seepage tests, in particular to a water seepage test device.
Background
In order to meet the requirements that the photoelectric cable has water blocking and moisture absorbing effects in the production, manufacturing and practical processes, a dry and wet water blocking material is often adopted for filling when the photoelectric cable is produced, and then a simple water seepage test device is adopted for water seepage test.
When the water seepage test device is used for water seepage test testing, the industrial standard requirement is that the water column pressure is 1m under the standard atmospheric pressure, but a specially-assigned person needs to pay frequent attention to the water column height of a test vessel and manually replenish water, the test conditions and the test structure of the water seepage test device are not standard, and the hidden quality danger is buried in the water blocking effect of the photoelectric cable.
Disclosure of Invention
The invention aims to provide a water seepage test device which can realize automatic water replenishing and overflowing so as to enable the water seepage condition of a photoelectric cable to be more standardized.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water penetration test apparatus comprising:
the water pipe is vertically arranged, the cable to be tested is positioned below the water pipe and is communicated with the bottom of the water pipe, and an overflow hole is formed in a preset height position on the water pipe, so that the cable is tested under standard water pressure;
the water inlet of the water replenishing pump is communicated with the water storage tank, and the water outlet of the water replenishing pump is communicated with the water pipe;
and the water level detection unit is used for detecting whether the liquid level in the water pipe is lower than the preset height or not, and the water replenishing pump can work or stop working according to the detection result of the water level detection unit.
As an optimal technical scheme of above-mentioned infiltration test device, the moisturizing pump is located outside the storage water tank, still includes:
and one end of the water pumping pipe is communicated with the inlet of the water replenishing pump, and the other end of the water pumping pipe is inserted below the water surface in the water storage tank.
As an optimal technical scheme of the water seepage test device, a filter is arranged at an inlet of the water pumping pipe.
As an optimized technical scheme of the water seepage test device, the overflow hole is communicated with the water storage tank through an overflow pipe.
As an optimal technical scheme of the water seepage test device, a drain outlet is formed in the bottom of the water storage tank, and a drain valve is arranged on the drain outlet.
As an optimal technical scheme of the water seepage test device, the water seepage test device further comprises a transverse connecting pipe communicated with the water pipe, wherein a water seepage port is arranged on the transverse connecting pipe, and a cable joint communicated with the water seepage port is arranged at the water seepage port and used for connecting a cable to be tested.
As an optimal technical scheme of above-mentioned infiltration test device, still include the test box, the cable is kept away from the one end of cable joint is worn out the test box, the cable stretches out the outer partial overcoat of cable joint is equipped with constant temperature structure.
As a preferred technical scheme of above-mentioned infiltration test device, still include:
the temperature detection unit is used for detecting the temperature of the air in the test box;
the test box comprises a heating unit and/or a cooling unit, wherein the heating unit is used for heating the air in the test box, and the cooling unit is used for cooling the air in the test box.
As an optimal technical scheme of above-mentioned infiltration test device, be equipped with the air exit on the test box, the exhaust fan is installed to the air exit.
As a preferred technical scheme of the water seepage test device, the water seepage port is provided with a water seepage valve.
The invention has the beneficial effects that: according to the water seepage test device provided by the invention, when the water level detection unit detects that the water level in the water pipe is lower than the preset height, the water replenishing pump works to replenish water to the water pipe, and when the water level detection unit detects that the water level in the water pipe is higher than the preset height, the water replenishing pump stops working and overflows through the overflow hole in time, so that automatic water replenishing and overflowing of the water pipe are realized, a cable is always tested under standard water pressure, the water seepage condition of the cable is more standardized, and the test accuracy is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a water seepage test apparatus provided in an embodiment of the present invention.
In the figure:
11. a water pipe; 12. a water storage tank; 121. a dust-proof cover plate; 13. a water replenishing pump; 14. a water level detection unit; 15. a motor; 16. an AC contactor; 17. a blowoff valve; 18. filtering with a screen; 191. a water pumping pipe; 192. a water feeding pipe; 193. an overflow pipe;
2. a test box; 21. opening the door at the left side; 22. opening the door at the right side; 23. a visual window; 24. a scram switch; 25. a power switch; 26. a refrigeration switch; 27. a heating switch; 28. an operation panel;
31. a temperature detection unit; 32. a heating unit; 33. a cooling unit;
41. a transverse connecting pipe; 42. a water seepage valve; 43. a cable joint;
51. a constant temperature sleeve; 52. a thermostatic plug;
6. an exhaust fan;
7. a cable.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
As shown in fig. 1, the present embodiment provides a water penetration test apparatus, and is used for performing a water penetration test on a cable 7 such as a cable. This infiltration test device includes water pipe 11, storage water tank 12, moisturizing pump 13 and water level detection unit 14, and wherein, the vertical setting of water pipe 11, the preset high position is equipped with the overflow hole on the water pipe 11, and the cable 7 that awaits measuring is located the below of water pipe 11 and communicates with water pipe 11 bottom, makes cable 7 experimental under standard water pressure. In this embodiment, the water pipe 11 is made of transparent glass, PVC, stainless steel, or the like, and the preset height refers to a liquid level height in the water pipe 11 when the cable 7 is tested under a standard water pressure so as to provide the standard water pressure for the cable 7. The height of the water pipe 11 is preferably 150cm, and the outer diameter of the water pipe 11 is preferably 3cm to 15cm, more preferably 7 cm.
The water inlet of the water replenishing pump 13 is communicated with the water storage tank 12, and the water outlet of the water replenishing pump 13 is communicated with the water pipe 11; and the water level detection unit 14 is used for detecting whether the liquid level in the water pipe 11 is lower than a preset height or not, and the water replenishing pump 13 can work or stop working according to the detection result of the water level detection unit 14. When the water level detecting unit 14 detects that the liquid level in the water pipe 11 is lower than the preset height, the water replenishing pump 13 operates to replenish water to the water pipe 11, and when the liquid level in the water pipe 11 reaches the preset height, the water replenishing pump 13 stops operating.
Specifically, the water replenishing pump 13 is arranged outside the water storage tank 12, an inlet of the water replenishing pump 13 is connected with a water pumping pipe 191, one end, far away from the water replenishing pump 13, of the water pumping pipe 191 is inserted into the water level inside the water storage tank 12, an outlet of the water replenishing pump 13 is communicated with the water pipe 11 through a water feeding pipe 192, and the top of the water feeding pipe 192 is located above a preset height. The pumping pipe 191 is made of transparent glass, stainless steel or rubber, and the outer diameter of the pumping pipe 191 is 6mm-20mm, preferably 10 mm. In this embodiment, the motor 15 is used to drive the water replenishing pump 13 to work, and the water replenishing pump 13 is a centrifugal pump. In other embodiments, the water replenishing pump 13 may be disposed in the water storage tank 12, or a gear pump may be used.
The water level detecting unit 14 is a dry reed type floating ball electrically connected to an ac contactor 16, the ac contactor 16 is electrically connected to a power supply of the motor 15, when the water level in the water pipe 11 is lower than a preset height, a switch of the dry reed type floating ball is automatically turned on, and sends a signal to the ac contactor 16, so that the power supply of the motor 15 is turned on, the motor 15 drives the water replenishing pump 13 to work, and the water replenishing pump 13 pumps the water in the water storage tank 12 into the water pipe 11 to replenish the water in the water pipe 11. When the water level in the water pipe 11 reaches the preset height, the switch of the dry reed pipe type floating ball will be automatically closed, the power supply of the motor 15 is automatically cut off immediately, and the water replenishing pump 13 stops working.
The overflow hole communicates with the water storage tank 12 through an overflow pipe 193, and water overflowing the overflow hole is returned into the water storage tank 12 through the overflow pipe 193 to recover the overflowing water. The overflow pipe 193 may be a glass pipe, a rubber pipe, or the like, and the outer diameter of the overflow pipe 193 is 6mm to 20mm, preferably 11 mm.
The tank 12 is made of stainless steel, such as 301 stainless steel, 302 stainless steel, 304 stainless steel, 200Cu stainless steel, etc., preferably 304 stainless steel, and the tank 12 is preferably 80cm by 50cm by 40cm in size.
The infiltration test device that this embodiment provided, when water level detection unit 14 detects water pipe 11 interior water level and is less than preset the height, water replenishing pump 13 work, in order to carry out the moisturizing to water pipe 11, when water level detection unit 14 detects water level in water pipe 11 and is higher than preset the height, water replenishing pump 13 stop work, and in time overflow through the overflow hole, realize water pipe 11's automatic water replenishing and overflow, make cable 7 test under standard water pressure all the time, so that photoelectric cable 7's infiltration condition is more standardized, the accuracy of test has been improved.
Further, in order to improve the cleanliness of the water fed into the water pipe 11, a filter is provided at an inlet of the pumping pipe 191. In this embodiment, the filter is a screen 18 made of cotton yarn, the mesh number of the screen 18 is 80-200 meshes, and a screen 18 of 120 meshes is preferably used. In other embodiments, the screen 18 may be made of stainless steel or plastic.
Further, the top of the water storage tank 12 is provided with a dustproof cover plate 121 for preventing dust and the like from entering the water storage tank 12 and keeping the cleanliness of the test water. The bottom of the water storage tank 12 is provided with a drain outlet, which is provided with a drain valve 17 for periodically opening the drain outlet to discharge the sewage in the water storage tank 12 and periodically changing the water in the water storage tank 12.
Furthermore, the water seepage test device further comprises a horizontal connecting pipe 41 communicated with the water pipe 11, a water seepage port is arranged on the horizontal connecting pipe 41, and a cable joint 43 communicated with the water seepage port is arranged on the water seepage port and used for connecting a cable 7 to be tested. The aforesaid horizontal connecting pipe 41 level sets up, and the lower extreme of water pipe 11 is equipped with the mouth of a river that leaks that communicates water pipe 11 and horizontal connecting pipe 41, and the infiltration mouth is equipped with a plurality ofly, can once only carry out the infiltration experiment to many cables 7, and the infiltration mouth is equipped with 2 usually to 16, and this embodiment is used for setting up 10 infiltration mouths as an example. Every infiltration mouth all sets up a infiltration valve 42, and the exit linkage of infiltration valve 42 has cable joint 43, and cable joint 43 pegs graft with cable 7, makes things convenient for being connected between cable joint 43 and the cable 7, improves test efficiency. When the water seepage test is started, the water seepage valve 42 is opened, and after the water seepage test is finished, the water seepage valve 42 is closed.
The horizontal connecting pipe 41 may be made of transparent glass, PVC or stainless steel, and the length of the horizontal connecting pipe 41 is 100cm-200cm, preferably 150 cm; the outer diameter of the transverse connecting pipe 41 is 5cm-20cm, preferably 10 cm.
Further, above-mentioned infiltration test device still includes test box 2, and test box 2 is worn out to the one end that cable 7 kept away from cable joint 43, and the partial overcoat that cable 7 stretches out outside cable joint 43 is equipped with constant temperature structure. In this embodiment, the thermostatic structure includes a thermostatic sleeve 51 having one end connected to the test box 2, and a thermostatic plug 52 disposed at the other end of the thermostatic sleeve 51, the thermostatic plug 52 corresponds to the thermostatic sleeve 51 one to one, the thermostatic sleeve 51 corresponds to the water seepage port one to one, the thermostatic sleeve 51 is made of transparent glass, PVC, or stainless steel, and the outer diameter of the thermostatic sleeve 51 is 2cm to 6cm, preferably 4 cm. The constant temperature plug 52 is provided with a threading hole for threading the cable 7, and the aperture of the threading hole is 5mm-20 mm.
The test box 2 is provided with a left opening door 21 and a right opening door 22 which are arranged oppositely, wherein the left opening door 21 is provided with a visual window 23, so that the test condition in the test box 2 can be observed conveniently through the visual window 23.
An air outlet is arranged on the test box 2, and an exhaust fan 6 is arranged at the air outlet so as to facilitate the air circulation in the test box 2. Preferably, the air outlet is provided at the top of the test chamber 2.
Further, the water seepage test device further comprises a temperature detection unit 31, a heating unit 32 and a cooling unit 33, wherein the temperature detection unit 31 may adopt a temperature sensor or a temperature detector, etc. for detecting the temperature of the air in the test box 2, so as to control the operation of the heating unit 32 and the cooling unit 33 according to the detection result of the temperature detection unit 31; the heating unit 32 is used for heating the air in the test box 2, preferably by adopting resistance heating, and when the temperature in the test box 2 is lower than the test normal temperature requirement, the heating unit 32 is adopted to work so as to improve the temperature of the air in the test box 2; the cooling unit 33 is used for cooling the air in the test box 2, and when the temperature in the test box 2 is higher than the test normal temperature requirement, the cooling unit 33 works to reduce the temperature of the air in the test box 2 by adopting a conventional refrigerant refrigerating device.
Furthermore, an emergency stop switch 24, a refrigeration switch 26, a power switch 25, a heating switch 27 and a touch screen type operation panel 28 are arranged on the right door 22, wherein the emergency stop switch 24 is used for controlling the water seepage test device to stop working under emergency or accident conditions; the refrigeration switch 26 is used for controlling the on-off of the cooling unit 33, the heating unit 32 is used for controlling the on-off of the heating unit 32, and the power switch 25 is used for controlling the power-on or power-off of the whole water seepage testing device; the operation panel 28 is mainly used for the conventional operation of the water seepage test apparatus, such as starting a water seepage test.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a infiltration test device which characterized in that includes:
the water pipe (11) is vertically arranged, the cable (7) to be tested is positioned below the water pipe (11) and communicated with the bottom of the water pipe (11), and an overflow hole is formed in the position, with a preset height, of the water pipe (11) so that the cable (7) is tested under standard water pressure;
the water storage tank (12) and the water replenishing pump (13), wherein the water inlet of the water replenishing pump (13) is communicated with the water storage tank (12), and the water outlet of the water replenishing pump (13) is communicated with the water pipe (11);
the water level detection unit (4) is used for detecting whether the liquid level in the water pipe (11) is lower than the preset height or not, and the water replenishing pump (13) can work or stop working according to the detection result of the water level detection unit (4).
2. The water seepage test device according to claim 1, wherein the water replenishing pump (13) is arranged outside the water storage tank (12), and further comprises:
one end of the water pumping pipe (191) is communicated with an inlet of the water replenishing pump (13), and the other end of the water pumping pipe (191) is inserted below the water surface in the water storage tank (12).
3. Water penetration test device according to claim 2, wherein the inlet of the water suction pipe (191) is provided with a filter.
4. Water penetration test device according to claim 1, wherein said overflow aperture communicates with said water storage tank (12) through an overflow pipe (193).
5. Water seepage test device according to claim 1, characterized in that the bottom of the water storage tank (12) is provided with a drain outlet, and the drain outlet is provided with a drain valve (17).
6. Water seepage test device according to claim 1, further comprising a transverse connecting pipe (41) communicated with the water pipe (11), wherein a water seepage port is arranged on the transverse connecting pipe (41), and the water seepage port is provided with a cable joint (43) communicated with the water seepage port and used for connecting the cable (7) to be tested.
7. Water seepage test device according to claim 6, further comprising a test box (2), wherein one end of the cable (7) far away from the cable joint (43) penetrates out of the test box (2), and a constant temperature structure is sleeved outside the part of the cable (7) extending out of the cable joint (43).
8. The water penetration test apparatus according to claim 7, further comprising:
a temperature detection unit (31) for detecting the temperature of the air in the test chamber (2);
a heating unit (32) for heating the air inside the test chamber (2) and/or a cooling unit (33), the cooling unit (33) being for cooling the air inside the test chamber (2).
9. Water seepage test device according to claim 7, wherein the test box (2) is provided with an air outlet, and an exhaust fan (6) is installed on the air outlet.
10. Water seepage test apparatus according to claim 6, wherein the water seepage port is provided with a water seepage valve (42).
Priority Applications (1)
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CN202010655847.9A CN111735748A (en) | 2020-07-09 | 2020-07-09 | Water seepage test device |
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CN202010655847.9A CN111735748A (en) | 2020-07-09 | 2020-07-09 | Water seepage test device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113176192A (en) * | 2021-05-12 | 2021-07-27 | 国家电网有限公司 | High-voltage waterproof cable water permeability detection device and detection method |
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CN203551213U (en) * | 2013-09-29 | 2014-04-16 | 烽火通信科技股份有限公司 | Water seepage test apparatus for optical cables |
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CN206531615U (en) * | 2016-12-20 | 2017-09-29 | 特恩驰(南京)光纤有限公司 | A kind of optical cable infiltration test device being automatically replenished |
CN209055303U (en) * | 2018-10-31 | 2019-07-02 | 广东亨通光电科技有限公司 | Intelligence infiltration detection device |
CN209745317U (en) * | 2019-04-03 | 2019-12-06 | 长飞光纤光缆(上海)有限公司 | automatic circulation moisturizing infiltration test device |
CN212300756U (en) * | 2020-06-16 | 2021-01-05 | 长飞光纤光缆深圳有限公司 | Take automatic water supply's optical cable infiltration test device |
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2020
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JP2003106985A (en) * | 2001-10-01 | 2003-04-09 | Espec Corp | Water circuit for environmental test device |
CN203551213U (en) * | 2013-09-29 | 2014-04-16 | 烽火通信科技股份有限公司 | Water seepage test apparatus for optical cables |
CN204479449U (en) * | 2015-03-13 | 2015-07-15 | 中国建材检验认证集团股份有限公司 | The test unit that a kind of test specimen irradiates in water medium ultraviolet |
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CN113176192A (en) * | 2021-05-12 | 2021-07-27 | 国家电网有限公司 | High-voltage waterproof cable water permeability detection device and detection method |
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Application publication date: 20201002 |