CN218099649U - Water leakage detection device for high-voltage converter - Google Patents

Abstract

The utility model relates to a water leakage detection device for a high-voltage converter, which comprises a detection box, a swing floating block and a detection assembly, wherein the bottom of the detection box is provided with a water inlet; the swing floating block is arranged in the detection box, is in rotary connection with the detection box and forms a swing path through the buoyancy of the swing floating block; the detection assembly is arranged in the detection box, and the detection end of the detection assembly points to the swing path; the problem of in order to control the stable slip of shading floater, need to make the shape of shading floater and the shape looks adaptation of casing to the area of shading floater is less than the area of the cross section of casing, and it is difficult to process is solved.

Description

Water leakage detection device for high-voltage converter

Technical Field

The utility model relates to an electric power system technical field especially relates to a high pressure converter is with detection device that leaks.

Background

At present, in order to ensure the normal operation of the high-voltage converter, a water cooling system is required to realize efficient cooling treatment. Because the water cooling system has the condition of leaking water, in order to ensure the safety of the high-voltage converter, a water leakage detection device is required to be arranged in the high-voltage converter so as to monitor the water leakage fault of the water cooling system of the high-voltage converter.

For example, the utility model patent with application number CN201520514682.8 provides a high voltage converter is with detection device that leaks, wherein, the casing side is installed with optical signal transmitter and optical signal receiver, and the shading kicking block is kept flat inside the casing cavity, when intaking in the casing, and the shading kicking block can float along the casing side, covers the optical signal that optical signal transmitter sent, realizes that the optical signal shifts.

However, in order to control the stable sliding of the light shielding floating block, it is necessary to match the shape of the light shielding floating block with the shape of the housing, and the area of the light shielding floating block is smaller than the area of the cross section of the housing, and the processing is not easy.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a water leakage detection device for a high voltage converter, which solves the problem that the shape of the light shielding floating block needs to be adapted to the shape of the housing in order to control the stable sliding of the light shielding floating block, and the area of the light shielding floating block is smaller than the area of the cross section of the housing, so that the processing is not easy.

The utility model provides a water leakage detection device for a high-voltage converter, which comprises a detection box, a swing floating block and a detection component, wherein the bottom of the detection box is provided with a water inlet hole; the swing floating block is arranged in the detection box, is in rotary connection with the detection box and forms a swing path through the buoyancy of the swing floating block; the detection assembly is arranged in the detection box, and the detection end of the detection assembly points to the swing path.

Furthermore, the quantity of inlet opening is a plurality of, and is a plurality of the inlet opening is arranged in matrix array in the bottom of detection box.

Furthermore, the swing floating block comprises a floating body, and the floating body is rotatably connected with the detection box.

Furthermore, the buoyancy body is rotatably connected with the detection box through a swing rod.

Furthermore, the swing rod is a light rod.

Furthermore, the swing rod is rotatably connected with the detection box through a hinge seat.

Furthermore, the hinged seat is arranged in the detection box, the detection box part penetrates through a through hole formed in the detection box and is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the detection box.

Furthermore, a connecting screw is arranged on the connecting plate, and the free end of the connecting screw penetrates through the connecting plate and is in threaded connection with a threaded hole formed in the detection box.

Furthermore, the part of the hinged seat outside the detection box is sleeved with a sealing ring, and the sealing ring is clamped and embedded in a gap between the connecting plate and the detection box.

Further, the swinging floating block is rotatably connected with the inner bottom wall of the detection box; or

The swing floating block is rotatably connected with the inner side wall of the detection box; or

The swing floating block is rotatably connected with the inner top wall of the detection box.

Compared with the prior art, the detection box is placed in a water leakage collecting disc in a shielding cover at the bottom of the high-voltage converter, a water inlet hole is formed in the bottom of the detection box through setting the detection box, when water leakage occurs inside the high-voltage converter, the water leakage enters the detection box from the water inlet hole, the swing floating block is arranged in the detection box and is rotationally connected with the detection box, a swing path is formed through buoyancy of the swing floating block, the water level rises to different heights along with the inside of the detection box, the swing floating block can rotate to different positions on the swing path under the action of the buoyancy of the swing floating block, the detection assembly is arranged in the detection box through setting the detection assembly, the detection end of the detection assembly points to the swing path, and after the water level rises to a certain height, the swing floating block can be detected by the detection end of the detection assembly, so that the water leakage detection function is realized.

Drawings

Fig. 1 is a schematic structural diagram of the whole water leakage detection device for a high-voltage converter according to an embodiment of the present invention;

fig. 2 isbase:Sub>A sectional view ofbase:Sub>A-base:Sub>A plane in fig. 1 of the water leakage detection device for the high-voltage converter according to the embodiment of the present invention;

fig. 3 is an enlarged schematic view of a part a in fig. 1 of the water leakage detection device for the high-voltage converter according to the embodiment of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

As shown in fig. 1, the utility model provides a water leakage detection device for high-voltage converter, which comprises a detection box 100, a swing floating block 200 and a detection component 300, wherein the bottom of the detection box 100 is provided with a water inlet 110; the swing floating block 200 is built in the test cassette 100, is rotatably connected with the test cassette 100, and forms a swing path by its own buoyancy; the sensing member 300 is installed in the sensing cassette 100, and a sensing end of the sensing member 300 is disposed to point to the swing path.

In this embodiment, the detection box 100 is placed in a water leakage collection tray in a bottom shield of a high voltage converter, a water inlet 110 is formed in the bottom of the detection box 100, when water leakage occurs inside the high voltage converter, the leaked water enters the detection box 100 from the water inlet 110, the swing floating block 200 is placed in the detection box 100 and is rotatably connected with the detection box 100, a swing path is formed by buoyancy of the swing floating block 200, the swing floating block 200 can rotate to different positions on the swing path under the buoyancy of the swing floating block 200, the swing floating block is installed in the detection box 100 by setting the detection component 300, the detection end of the detection component 300 points to the swing path, when the water level rises to a certain height, the swing floating block 200 can be detected by the detection end of the detection component 300, so as to achieve the water leakage detection function, the whole device is simple in structure, and convenient to process, and has no specific size requirement, and a moving path of the swing floating block 200 in the detection box 100 is defined by a swing mode, so as to determine the detection position of the detection component 300.

In the detection box 100 of the present embodiment, water in the leaked water collecting tray placed in the bottom shield of the high voltage converter is guided to the detection box 100 through a water level difference. Specifically, the bottom of the detection box 100 is provided with a water inlet 110, and the leaked water can enter the detection box 100 from the water inlet 110.

In one embodiment, the number of the water inlet holes 110 is plural, and the plural water inlet holes 110 are arranged in a matrix array at the bottom of the cartridge 100.

In order to prevent the air pressure inside the box 100 from affecting the water inlet at the water inlet 110, in one embodiment, a vent hole (not shown) is formed at the top of the box 100.

The swing slider 200 of the present embodiment is built in the cartridge 100, and a fixed swing path is formed in the cartridge 100 by the change of its own buoyancy with the water level in the cartridge 100. Specifically, the swing slider 200 is built in the measuring cassette 100, is rotatably connected to the measuring cassette 100, and forms a swing path by its own buoyancy.

In some embodiments, the swing slider 200 may be disposed at different positions of the cartridge 100 as long as the above-described fixed swing path can be formed.

In one embodiment, the swing float 200 is rotatably coupled to an inner bottom wall of the cartridge 100; in another embodiment, the swing slider 200 is rotatably connected to the inner sidewall of the cartridge 100; in yet another embodiment, the swing slider 200 is rotatably coupled to the inner top wall of the cartridge 100.

In one embodiment, the swing float 200 includes a floating body 210, and the floating body 210 is rotatably coupled to the cartridge 100. A fixed swing path may be formed in the cartridge 100 by the variation of the buoyancy body 210 itself according to the water level in the cartridge 100.

Wherein, the shape of swing floater 200 can adopt sphere, cubic etc. this embodiment of the utility model does not limit.

To facilitate the above-mentioned swing path of the floating body 210, in one embodiment, the floating body 210 is rotatably connected to the detecting box 100 via a swing link 220. It should be noted that the swing link 220 is a light rod, so as to prevent the self weight of the swing link 220 from affecting the floating process of the floating body 210.

In one embodiment, the sway bar may be a hollow plastic bar. It should be noted that the gravity and buoyancy of the swing lever itself should be such that the buoyant body 210 always floats on the water surface in the cartridge 100.

In one embodiment, the swing link 220 is rotatably connected to the measuring cassette 100 via a hinge base 230.

As shown in FIG. 3, in order to facilitate the installation of the hinge base 230, in one embodiment, the hinge base 230 is disposed in the measuring cassette 100, the measuring cassette 100 partially passes through the through hole 120 formed in the measuring cassette 100 and is fixedly connected to a connection plate 231, and the connection plate 231 is fixedly connected to the measuring cassette 100. Wherein, a connecting screw 232 is arranged on the connecting plate 231, and the free end of the connecting screw 232 passes through the connecting plate 231 and is in threaded connection with the threaded hole 130 arranged on the detecting box 100.

In order to prevent the water leakage at the connection position of the hinge base 230 and the detection box 100 from affecting the detection, in one embodiment, a sealing ring 233 is sleeved on the portion of the hinge base 230 outside the detection box 100, and the sealing ring 233 is inserted into the gap between the connection plate 231 and the detection box 100.

Of course, other structures may be adopted to realize the rotational connection between the swing link 220 and the testing cassette 100.

The detection unit 300 in this embodiment is a structure for detecting the position of the oscillating slider 200. Specifically, the detecting member 300 is installed in the detecting box 100, and the detecting end of the detecting member 300 is disposed to point to the swing path.

As shown in fig. 2, in one embodiment, the detecting assembly 300 includes an optical signal emitter 310 and an optical signal receiver 320, the optical signal emitter 310 and the optical signal receiver 320 are respectively disposed at two sides of the swing path of the swing floating block 200, the opposite side of the optical signal emitter 310 and the optical signal receiver 320 is fixedly connected to the detecting box 100, and the emitting end of the optical signal emitter 310 passes through the swing path and is disposed toward the receiving end of the optical signal receiver 320. When the swing floating block 200 blocks the transmitting end of the optical signal transmitter 310 and the receiving end of the optical signal receiver 320 cannot receive the optical signal, the alarm background sends out an alarm signal.

In another preferred embodiment, as shown in fig. 1-2, the number of the detecting assemblies 300 is three, a first position K1, a second position K2 and a third position K3 are sequentially arranged along the vertical direction on the swinging path, and the detecting ends of the three detecting assemblies 300 are respectively arranged at the first position K1, the second position K2 and the third position K3 for performing low position, middle position and high position alarms respectively.

Compared with the prior art: the detection box 100 is placed in a water leakage collecting tray in a shielding cover at the bottom of a high-voltage converter, a water inlet hole 110 is formed at the bottom of the detection box 100, when water leakage occurs inside the high-voltage converter, the leaked water enters the detection box 100 from the water inlet hole 110, a swing floating block 200 is arranged in the detection box 100 and is rotatably connected with the detection box 100, a swing path is formed through the buoyancy of the swing floating block 200, the swing floating block can rotate to different positions on the swing path under the buoyancy of the swing floating block 200, the detection assembly 300 is arranged in the detection box 100, the detection end of the detection assembly 300 points to the swing path, and after the water level rises to a certain height, the detection end of the detection assembly 300 can detect the swing floating block 200, so that the water leakage detection function is realized.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. A water leakage detection device for a high-voltage converter is characterized by comprising a detection box, a swinging floating block and a detection assembly;

the bottom of the detection box is provided with a water inlet;

the swing floating block is arranged in the detection box, is rotatably connected with the detection box and forms a swing path through the buoyancy of the swing floating block;

the detection assembly is arranged in the detection box, and the detection end of the detection assembly points to the swing path.

2. The water leakage detection device for the high-voltage converter according to claim 1, wherein the number of the water inlet holes is plural, and the plural water inlet holes are arranged at the bottom of the detection box in a matrix array.

3. The water leakage detecting device for the high-voltage converter according to claim 1, wherein the swing floating block comprises a floating body, and the floating body is rotatably connected with the detecting box.

4. The water leakage detection device for the high-voltage converter according to claim 3, wherein the buoyancy body is rotatably connected with the detection box through a swing rod.

5. The water leakage detection device for the high voltage converter according to claim 4, wherein the swing link is a light weight rod.

6. The water leakage detection device for the high-voltage converter according to claim 4, wherein the swing link is rotatably connected with the detection box through a hinge seat.

7. The water leakage detection device for the high-voltage converter according to claim 6, wherein the hinge seat is arranged in the detection box, the detection box partially passes through a through hole formed in the detection box and is fixedly connected with a connection plate, and the connection plate is fixedly connected with the detection box.

8. The water leakage detection device for the high-voltage converter according to claim 7, wherein the connection plate is provided with a connection screw, and a free end of the connection screw penetrates through the connection plate and is in threaded connection with a threaded hole formed in the detection box.

9. The water leakage detection device for the high-voltage converter according to claim 7, wherein a sealing ring is sleeved on a portion of the hinge seat located outside the detection box, and the sealing ring is clamped and embedded in a gap between the connection plate and the detection box.

10. The water leakage detection device for the high-voltage converter according to claim 1, wherein the swing floating block is rotatably connected with an inner bottom wall of the detection box; or

The swing floating block is rotatably connected with the inner side wall of the detection box; or

The swing floating block is rotatably connected with the inner top wall of the detection box.

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