CN210953738U - Pressure water permeating equipment for joint outer protection layer test - Google Patents
Pressure water permeating equipment for joint outer protection layer test Download PDFInfo
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- CN210953738U CN210953738U CN201921809882.0U CN201921809882U CN210953738U CN 210953738 U CN210953738 U CN 210953738U CN 201921809882 U CN201921809882 U CN 201921809882U CN 210953738 U CN210953738 U CN 210953738U
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Abstract
The utility model provides a pressure equipment of permeating water for connecting outer protective layer is experimental, include: the pressure vessel is provided with a liquid inlet, a liquid outlet and a hydraulic supplement port, the liquid inlet is provided with a liquid inlet valve, the liquid outlet is provided with a liquid outlet valve, and the hydraulic supplement port is provided with a hydraulic supplement valve; a heating member provided inside the pressure vessel; the water pressure monitoring device is used for monitoring the liquid pressure in the pressure container; the thermometer is arranged on the pressure container and used for monitoring the temperature of the liquid in the pressure container; and the liquid supply device is used for conveying the solution to the liquid inlet and the hydraulic pressure supplement port and is used for receiving the solution discharged from the liquid outlet. The utility model can keep the test solution in the pressure container in the preset hydraulic range by sending the test solution in the liquid supply device into the pressure container; the utility model discloses a concentration of test solution in the liquid supply device can be according to the required conductivity setting that reaches of test solution.
Description
Technical Field
The utility model relates to a test equipment technical field especially relates to a pressure equipment of permeating water for connecting outer protective layer is experimental.
Background
Some joints are required to be used in wet environments, for example: the joints need to be buried directly in the ground or the joints need to be immersed in water intermittently or continuously, which requires that the joints can maintain a normal working state without flashover or breakdown in a humid environment or under an immersion condition. Part 1 of a crosslinked polyethylene insulated power cable and accessories thereof according to the national standard of the people's republic of china, "rated voltage 220kV (Um 252 kV): test method and requirements GB/T18890.1-2015, the water surface is at least 1m away from the highest point of the protective layer in the joint outer protective layer test, namely the water pressure is 0.1 MPa.
At present, the pressure water permeable equipment on the market is mainly a single pressure container, and the temperature of circulating water can be adjusted through tap water. However, in actual laying and operation, due to the influence of weather and environmental factors, the water pressure and the water conductivity of the joints in different use scenes are greatly different.
In order to truly and reliably simulate the operation environment of the joint in the test of the outer protective layer of the joint, the operation environment of the simulated joint needs to apply specified water pressure to the joint by adopting liquid with specified conductivity according to the standard or the requirement of a customer, and the single pressure container obviously cannot meet the requirement, so that the operation environment of the simulated joint is distorted, and the reliability of the test is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the to-be-solved technical problem of the present invention is to provide a pressure water permeation device for a joint outer protective layer test.
In order to solve the technical problem, the utility model provides a pressure equipment of permeating water for connecting outer protective layer is experimental, include: the pressure vessel is provided with a liquid inlet, a liquid outlet and a hydraulic supplement port, the liquid inlet is provided with a liquid inlet valve, the liquid outlet is provided with a liquid outlet valve, and the hydraulic supplement port is provided with a hydraulic supplement valve; a heating member provided inside the pressure vessel; the water pressure monitoring device is used for monitoring the liquid pressure in the pressure container; the thermometer is arranged on the pressure container and used for monitoring the temperature of the liquid in the pressure container; and the liquid supply device is used for conveying liquid to the liquid inlet and the hydraulic pressure supplement port and is used for receiving the liquid discharged from the liquid outlet.
Preferably, the water pressure monitoring device comprises a water pressure monitoring pipe, the water pressure monitoring pipe is vertically arranged at the upper part of the pressure container and is communicated with the pressure container, a water level sensing device is arranged on the water pressure monitoring pipe, and the water level sensing device is used for sensing the liquid level height in the water pressure monitoring pipe.
Furthermore, the water level sensing device comprises a lower water level sensor and an upper water level sensor which are sequentially arranged from bottom to top.
Preferably, the liquid supply device is connected with a liquid inlet or a hydraulic supplement port of the pressure container through a water drainage pipeline, the liquid supply device is connected with the liquid outlet of the pressure container through a water inlet pipeline, and a water drainage pump and a water drainage valve are arranged on the water drainage pipeline; and a water inlet valve is arranged on the water inlet pipeline.
Further, the number of the liquid supply devices is at least two.
Further, a flow meter is arranged between the drainage pump and the drainage valve.
Preferably, the pressure vessel is an elongated structure, and the length direction of the pressure vessel is parallel to the horizontal direction.
Further, pressure vessel includes the vessel, the main part apron is all installed at the both ends of vessel, every be equipped with sealed apron on the main part apron.
Furthermore, the joint is connected with a cable, and two ends of the cable respectively penetrate out of two ends of the joint; the connector and the cable are placed in the pressure container, and two ends of the cable respectively penetrate out of two ends of the pressure container; the length direction of the pressure container is the same as the length direction of the joint.
Preferably, the heating member is a spiral heating structure disposed on an inner wall of the pressure vessel.
As above, the utility model discloses a pressure equipment of permeating water for connecting outer protective layer is experimental has following beneficial effect:
a cable is arranged in a joint to be tested, and the connected joint and the cable are arranged in a pressure container; filling a test solution in a liquid supply device into a pressure container, connecting a hydraulic supplement port of the pressure container with the liquid supply device, opening a hydraulic supplement valve, and continuously filling the test solution into the pressure container so that a water pressure monitoring device monitors that the pressure of the liquid in the pressure container reaches a preset hydraulic range; the heating part is connected with a power supply, the heating part heats the test solution in the pressure container, so that the temperature of the test solution in the pressure container is continuously increased, and the thermometer detects the temperature of the test solution in the pressure container; when the temperature of the test solution in the pressure container is detected to exceed the preset temperature range by the thermometer, discharging the solution in the pressure container into the liquid supply device, and simultaneously discharging the solution in the liquid supply device into the pressure container, so that the temperature of the test solution in the pressure container is reduced to the preset temperature range; then connecting a hydraulic supplement port of the pressure container with the liquid supply device, opening a hydraulic supplement valve, continuously filling the test solution into the pressure container, and closing the hydraulic supplement valve until the hydraulic pressure monitoring device monitors that the liquid pressure in the pressure container reaches a preset hydraulic range; this enables the test solution in the pressure vessel to be in a preset temperature range and a preset hydraulic range within 5 hours of the test of the outer protective layer of the joint;
the utility model solves the problem of pressure application in the test of the outer protective layer of the joint, and can keep the test solution in the pressure container in the preset hydraulic range by sending the test solution in the liquid supply device into the pressure container; the concentration of the test solution in the liquid supply device can be set according to the conductivity required by the test solution, so that the problem that the conductivity of the test solution is difficult to adjust is solved; the utility model discloses can circulate the test solution among the test solution that supplies the liquid device and the pressure vessel for the test solution cooling among the pressure vessel, the test solution among the pressure vessel reaches and predetermines the temperature range until.
Drawings
Fig. 1 is a schematic structural diagram showing that one of the liquid supply devices of the pressure water permeation device for the joint outer protective layer test of the embodiment is connected with a liquid inlet of a pressure container through a water drainage pipeline.
Fig. 2 is a schematic structural diagram showing that one of the liquid supply devices of the pressure water permeation device for the joint outer protective layer test of the embodiment is connected with the hydraulic pressure supplement port of the pressure container through a drainage pipeline.
Fig. 3 is a schematic structural diagram showing that one of the liquid supply devices of the pressure water permeation device for the joint outer protective layer test of the embodiment is connected with a liquid inlet of the pressure container through a water discharge pipeline, and the liquid supply device is connected with a liquid outlet of the pressure container through a water inlet pipeline.
Fig. 4 is a schematic structural diagram illustrating that another liquid supply device of the pressure water permeation device for testing the outer protection layer of the joint according to the present embodiment is connected to a liquid inlet of the pressure vessel through a water discharge pipeline, and the liquid supply device is connected to a liquid outlet of the pressure vessel through a water inlet pipeline.
Fig. 5 is a schematic structural diagram of a heating component of the pressure water permeation device for testing the joint outer protective layer according to the embodiment.
Description of the reference numerals
1 joint
2 electric cable
100 pressure vessel
101 container body
102 main body cover plate
103 sealing cover plate
110 liquid inlet
111 liquid inlet valve
120 liquid outlet
121 liquid outlet valve
130 hydraulic pressure supplement mouth
131 hydraulic supplementary valve
200 heating element
300 water pressure monitoring device
310 water pressure monitoring pipe
320 water level sensing device
321 water level sensor
322 upper water level sensor
400 thermometer
500 liquid supply device
610 drainage pipeline
611 drainage pump
612 draw off valve
613 flow meter
620 water inlet pipeline
621 water inlet valve
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 5, the pressure water permeation device for the joint outer protection layer test of the present embodiment includes:
the pressure vessel 100, the pressure vessel 100 is equipped with the inlet 110, the outlet 120 and the hydraulic pressure increase port 130, there are liquid inlet valves 111 on the inlet 110, there are liquid outlet valves 121 on the outlet 120, there are hydraulic pressure that increases the port 130 and augments the valve 131;
a heating unit 200 provided inside the pressure vessel 100;
a water pressure monitoring device 300 for monitoring the pressure of the liquid in the pressure vessel 100;
a thermometer 400 provided on the pressure vessel 100 for monitoring a temperature of the liquid in the pressure vessel 100;
and a liquid supply device 500 for supplying liquid to the liquid inlet 110 and the hydraulic pressure addition port 130 and for receiving liquid discharged from the liquid outlet 120.
A cable 2 is arranged in a joint 1 to be tested, and the connected joint 1 and the cable 2 are arranged in a pressure container 100; filling the pressure container 100 with the test solution in the liquid supply device 500, connecting the hydraulic supplement port 130 of the pressure container 100 with the liquid supply device 500, opening the hydraulic supplement valve 131, and continuously filling the test solution into the pressure container 100, so that the water pressure monitoring device 300 monitors that the liquid pressure in the pressure container 100 reaches a preset hydraulic range; the heating unit 200 is powered on, the heating unit 200 heats the test solution in the pressure container 100, so that the temperature of the test solution in the pressure container 100 is continuously increased, and the thermometer 400 detects the temperature of the test solution in the pressure container 100; when the temperature of the test solution in the pressure container 100 detected by the thermometer 400 exceeds the preset temperature range, discharging the solution in the pressure container 100 into the liquid supply device 500, and simultaneously discharging the solution in the liquid supply device 500 into the pressure container 100, so that the temperature of the test solution in the pressure container 100 is reduced to the preset temperature range; then, connecting the hydraulic pressure supplement port 130 of the pressure container 100 with the liquid supply device 500, opening the hydraulic pressure supplement valve 131, continuously filling the test solution into the pressure container 100 to increase the hydraulic pressure in the pressure container 100, and closing the hydraulic pressure supplement valve 131 until the hydraulic pressure monitoring device 300 monitors that the hydraulic pressure in the pressure container 100 reaches a preset hydraulic pressure range; this enables the test solution in the pressure vessel 100 to be in the preset temperature range and the preset hydraulic pressure range in the test time of 5 hours for the test of the outer protective layer of the joint 1.
The utility model solves the problem of pressure application in the test of the outer protective layer of the joint 1, and can keep the test solution in the pressure container 100 in the preset hydraulic range by sending the test solution in the liquid supply device 500 into the pressure container 100; the concentration of the test solution in the liquid supply device 500 of the utility model can be set according to the conductivity required by the test solution, thus solving the problem that the conductivity of the test solution is difficult to adjust; the utility model discloses can circulate the test solution among the test solution that supplies liquid device 500 and pressure vessel 100 for the test solution cooling among the pressure vessel 100 reaches the preset temperature range until the test solution among the pressure vessel 100.
The provision of the hydraulic supplementary valve 131 enables accurate control of the pressure exerted on the outer protective layer of the joint 1 inside the pressure vessel 100.
The utility model discloses a pressure equipment of permeating water for connecting outer protective layer is used and is connecting 1 outer protective layer test process, can simulate and connect 1 state under humid environment to the waterproof performance that the test connects 1, the 1 outer protective layer that connects that is adapted to all voltage classes is experimental, and can be according to the actual operational environment who connects 1, adjusts pressure and water conductivity that permeates water, ensures to connect 1 outer protective layer test effect true and reliable.
The water pressure monitoring apparatus 300 includes a water pressure monitoring pipe 310, the water pressure monitoring pipe 310 is vertically disposed on the upper portion of the pressure container 100 and is communicated with the pressure container 100, a water level sensing device 320 is disposed on the water pressure monitoring pipe 310, and the water level sensing device 320 is used for sensing the liquid level in the water pressure monitoring pipe 310. The water pressure monitoring pipe 310 is communicated with the pressure container 100, and the water level sensing device 320 can obtain the pressure change condition of the test solution in the pressure container 100 by monitoring the height of the liquid level in the water pressure monitoring pipe 310.
The water level sensing device 320 includes a lower water level sensor 321 and an upper water level sensor 322 which are sequentially disposed on the water pressure monitoring pipe 310 from bottom to top.
When the top of the liquid level of the test solution in the water pressure monitoring pipe 310 passes through the lower water level sensor 321, the lower water level sensor 321 obtains the liquid level height information of the test solution in the water pressure monitoring pipe 310; when the top of the liquid level of the test solution in the water pressure monitoring pipe 310 passes through the upper water level sensor 322, the upper water level sensor 322 obtains the height information of the liquid level of the test solution in the water pressure monitoring pipe 310. When the top of the liquid level of the test solution in the water pressure monitoring pipe 310 is between the lower water level sensor 321 and the upper water level sensor 322, the test solution in the pressure vessel 100 is in the preset hydraulic pressure range. When the lower water level sensor 321 does not sense the top of the liquid level of the test solution in the water pressure monitoring pipe 310, the liquid level of the test solution in the water pressure monitoring pipe 310 is lower than that of the lower water level sensor 321, at this time, the hydraulic supplementary valve 131 is started to fill the test solution into the pressure container 100, and also to raise the liquid level of the test solution in the water pressure monitoring pipe 310, that is, to raise the hydraulic pressure of the test solution in the pressure container 100; when the top of the liquid level of the test solution in the water pressure monitoring pipe 310 passes through the upper water level sensor 322, the hydraulic supplementary valve 131 is closed at this time, and the filling of the test solution into the pressure vessel 100 is stopped.
The liquid supply device 500 is connected with the liquid inlet 110 or the hydraulic pressure supplement port 130 of the pressure container 100 through a water discharge pipeline 610, the liquid supply device 500 is connected with the liquid outlet 120 of the pressure container 100 through a water inlet pipeline 620, and the water discharge pipeline 610 is provided with a water discharge pump 611 and a water discharge valve 612; the water inlet pipe 620 is provided with a water inlet valve 621. The drain line 610 is provided with a drain pump 611 for pumping the test solution into the pressure vessel 100.
A flow meter 613 is arranged between the drainage pump 611 and the drainage valve 612, the flow meter 613 can be manually adjusted to adjust the water outlet flow of the liquid supply device 500, and when the test solution in the liquid supply device 500 is replaced with the test solution in the pressure container 100, the real-time temperature control of the test solution in the pressure container 100 can be realized within a preset temperature range, so that the operation is simple and convenient.
The hydraulic monitoring pipe 310 is a retractable pipe, and the height of the hydraulic monitoring pipe 310 can be adjusted by the structure to meet the requirements of different pressure tests.
The drain pump 611 is a centrifugal pump. The centrifugal pump has simple and compact structure and large conveying flow.
The number of the liquid supply devices 500 is at least two. The number of the liquid supply devices 500 in this embodiment is two. The two liquid supply devices 500 may be interchangeable and can provide sufficient solution to the pressure vessel 100. So that the temperature of the test solution in the pressure vessel 100 is kept within the preset temperature range in 5 hours of the test of the outer protection layer of the joint 1, when the test solution in one of the liquid supply devices 500 is replaced with the test solution in the pressure vessel 100 and the temperature of the test solution in one of the liquid supply devices 500 is increased to be equal to the temperature of the test solution in the pressure vessel 100, the test solution in the other liquid supply device 500 is replaced with the test solution in the pressure vessel 100.
Because the connector 1 needs to be horizontally arranged in the test of the outer protection layer of the connector 1, the pressure vessel 100 is in a strip structure, and the length direction of the pressure vessel 100 is parallel to the horizontal direction, so that the test requirement can be met.
The pressure vessel 100 comprises a vessel body 101, body cover plates 102 are mounted at two ends of the vessel body 101, and a sealing cover plate 103 is arranged on each body cover plate 102. This configuration allows the pressure vessel 100 to form a sealed structure.
The connector 1 is connected with a cable 2, and two ends of the cable 2 respectively penetrate out of two ends of the connector 1; the connector 1 and the cable 2 are placed in the pressure container 100, and two ends of the cable 2 respectively penetrate out of two ends of the pressure container 100; the longitudinal direction of the pressure vessel 100 is the same as the longitudinal direction of the joint 1. This configuration enables the arrangement of the joint 1 to meet the requirements of the test.
The heating member 200 is a spiral heating structure provided on the inner wall of the pressure vessel 100. This structure enables the heating member 200 to uniformly heat the inside of the pressure vessel 100.
The utility model discloses a use method for connect experimental pressure equipment of permeating water of outer protective layer, including following step:
1) preparing in advance: a test solution required by the test of the outer protective layer of the joint 1 is configured in the liquid supply device 500, and the test solution is at room temperature;
2) installing a connector 1: a cable 2 is arranged in a joint 1 which needs to be tested, and two ends of the cable 2 respectively penetrate out of two ends of the joint 1; the connected connector 1 and the connected cable 2 are arranged in the pressure container 100, and two ends of the cable 2 respectively penetrate out of two ends of the pressure container 100;
3) filling the solution; connecting the liquid inlet 110 of the pressure container 100 with the liquid supply device 500, opening the liquid inlet valve 111, filling the test solution into the pressure container 100, and filling the pressure container 100 with the test solution;
4) adjusting the hydraulic pressure in the initial container: connecting the hydraulic pressure supplement port 130 of the pressure container 100 with the liquid supply device 500, opening the hydraulic pressure supplement valve 131, continuously filling the test solution into the pressure container 100, and closing the hydraulic pressure supplement valve 131 until the hydraulic pressure monitoring device 300 monitors that the liquid pressure in the pressure container 100 reaches a preset hydraulic pressure range;
5) the joint 1 outer protective layer test was performed: the heating unit 200 is powered on, the heating unit 200 heats the test solution in the pressure container 100, so that the temperature of the test solution in the pressure container 100 is continuously increased, and the thermometer 400 detects the temperature of the test solution in the pressure container 100;
6) temperature and hydraulic pressure maintenance: when the temperature of the test solution in the pressure container 100 detected by the thermometer 400 exceeds the preset temperature range, discharging the solution in the pressure container 100 into the liquid supply device 500, and simultaneously discharging the solution in the liquid supply device 500 into the pressure container 100, so that the temperature of the test solution in the pressure container 100 is reduced to the preset temperature range; then, connecting the hydraulic pressure supplement port 130 of the pressure container 100 with the liquid supply device 500, opening the hydraulic pressure supplement valve 131, continuously filling the test solution into the pressure container 100, and closing the hydraulic pressure supplement valve 131 until the hydraulic pressure monitoring device 300 monitors that the liquid pressure in the pressure container 100 reaches a preset hydraulic pressure range;
7) repeating the step 6), so that the temperature of the test solution in the pressure vessel 100 is kept within a preset temperature range and the liquid pressure in the pressure vessel 100 is kept within a preset hydraulic pressure range within 5 hours of the test of the outer protective layer of the joint 1;
8) after 5 hours of the test of the outer protective layer of the joint 1, cutting off the power supply of the heating part 200 or discharging the solution in the pressure container 100 into the liquid supply device 500, and simultaneously discharging the solution in the liquid supply device 500 into the pressure container 100; so that the temperature of the solution in the pressure vessel 100 is lowered to room temperature.
In the embodiment, the temperature of the test solution in the pressure vessel 100 is kept within a preset temperature range of 70-75 ℃; the room temperature was 25 ℃. The test solution is a saline solution, the concentration of which is determined by the conductivity of the test solution required to be achieved in the test environment required for the joint 1. The preset hydraulic pressure range of the hydraulic pressure in the pressure vessel 100 is determined according to the desired test environment.
To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a pressure equipment of permeating water for connecting outer protective layer is experimental which characterized in that includes:
the device comprises a pressure container (100), wherein a liquid inlet (110), a liquid outlet (120) and a hydraulic supplement port (130) are arranged on the pressure container (100), a liquid inlet valve (111) is arranged on the liquid inlet (110), a liquid outlet valve (121) is arranged on the liquid outlet (120), and a hydraulic supplement valve (131) is arranged on the hydraulic supplement port (130);
a heating means (200) provided inside the pressure vessel (100);
a water pressure monitoring device (300) for monitoring the pressure of the liquid in the pressure vessel (100);
a thermometer (400) disposed on the pressure vessel (100) for monitoring a temperature of a liquid in the pressure vessel (100);
a liquid supply device (500) for supplying liquid to the liquid inlet (110) and the hydraulic pressure supplement port (130) and for receiving liquid discharged from the liquid outlet (120).
2. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 1, wherein:
the water pressure monitoring device (300) comprises a water pressure monitoring pipe (310), the water pressure monitoring pipe (310) is vertically arranged on the upper portion of the pressure container (100) and is communicated with the pressure container (100), a water level sensing device (320) is arranged on the water pressure monitoring pipe (310), and the water level sensing device (320) is used for sensing the liquid level height in the water pressure monitoring pipe (310).
3. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 2, wherein:
the water level sensing device (320) comprises a lower water level sensor (321) and an upper water level sensor (322) which are sequentially arranged from bottom to top.
4. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 1, wherein:
the liquid supply device (500) is connected with a liquid inlet (110) or a hydraulic pressure supplement port (130) of the pressure container (100) through a water drainage pipeline (610), the liquid supply device (500) is connected with a liquid outlet (120) of the pressure container (100) through a water inlet pipeline (620), and a water drainage pump (611) and a water drainage valve (612) are arranged on the water drainage pipeline (610); and a water inlet valve (621) is arranged on the water inlet pipeline (620).
5. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 4, wherein: the number of the liquid supply devices (500) is at least two.
6. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 4, wherein: a flow meter (613) is arranged between the drainage pump (611) and the drainage valve (612).
7. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 1, wherein:
the pressure container (100) is of a long strip structure, and the length direction of the pressure container (100) is parallel to the horizontal direction.
8. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 7, wherein:
the pressure container (100) comprises a container body (101), main body cover plates (102) are mounted at two ends of the container body (101), and each main body cover plate (102) is provided with a sealing cover plate (103).
9. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 7, wherein:
the connector (1) is connected with a cable (2), and two ends of the cable (2) respectively penetrate out of two ends of the connector (1); the connector (1) and the cable (2) are placed in the pressure container (100), and two ends of the cable (2) respectively penetrate through two ends of the pressure container (100); the length direction of the pressure container (100) is the same as the length direction of the joint (1).
10. The pressure water permeation device for testing of the outer protection layer of the joint according to claim 1, wherein:
the heating component (200) is a spiral heating structure arranged on the inner wall of the pressure container (100).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809882.0U CN210953738U (en) | 2019-10-25 | 2019-10-25 | Pressure water permeating equipment for joint outer protection layer test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921809882.0U CN210953738U (en) | 2019-10-25 | 2019-10-25 | Pressure water permeating equipment for joint outer protection layer test |
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| CN210953738U true CN210953738U (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631981A (en) * | 2019-10-25 | 2019-12-31 | 上海国缆检测中心有限公司 | Pressure water permeating equipment for joint outer protection layer test |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631981A (en) * | 2019-10-25 | 2019-12-31 | 上海国缆检测中心有限公司 | Pressure water permeating equipment for joint outer protection layer test |
| CN110631981B (en) * | 2019-10-25 | 2024-05-24 | 上海国缆检测股份有限公司 | Pressure water permeable device for joint outer protection layer test |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: Room 101, 558 Shanlian Road, Baoshan District, Shanghai, 2004 Patentee after: Shanghai Guoxian Testing Co.,Ltd. Address before: Room 101, 558 Shanlian Road, Baoshan District, Shanghai 200444 Patentee before: SHANGHAI NATIONAL CENTER OF TESTING AND INSPECTION FOR ELECTRIC CABLE AND WIRE Co.,Ltd. |
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| CP03 | "change of name, title or address" |