CN113945328A - Calibration device for water leakage detection system of converter valve - Google Patents

Calibration device for water leakage detection system of converter valve Download PDF

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Publication number
CN113945328A
CN113945328A CN202111148581.XA CN202111148581A CN113945328A CN 113945328 A CN113945328 A CN 113945328A CN 202111148581 A CN202111148581 A CN 202111148581A CN 113945328 A CN113945328 A CN 113945328A
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CN
China
Prior art keywords
detection system
opening
converter valve
water leakage
leakage detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111148581.XA
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Chinese (zh)
Inventor
刘超
陈图腾
徐峰
丁丙侯
魏国富
何照能
马向南
任君
杨铖
付天乙
张子聪
崔萌
赵世伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming Bureau of Extra High Voltage Power Transmission Co
Original Assignee
Kunming Bureau of Extra High Voltage Power Transmission Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming Bureau of Extra High Voltage Power Transmission Co filed Critical Kunming Bureau of Extra High Voltage Power Transmission Co
Priority to CN202111148581.XA priority Critical patent/CN113945328A/en
Publication of CN113945328A publication Critical patent/CN113945328A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point

Abstract

The invention discloses a checking device of a converter valve water leakage detection system, which comprises: the box, the lateral wall of box is equipped with the scale, be equipped with the holding chamber that is used for splendid attire water in the box, be equipped with first opening and second opening on the box, first opening and second opening all communicate with the holding chamber, first opening part can be located to the prism of the detection system that leaks of converter valve, the prism can insert the holding intracavity, the prism can form the closed light path with the light emitter of the detection system that leaks of converter valve and the light receiver of the detection system that leaks of converter valve, light receiver and the alarm device of the detection system that leaks of converter valve are connected. When the water leakage detection system is used, the scale on the box body can be used for observing and comparing whether the depth value of the prism submerged in the accommodating cavity is consistent with the specified threshold value when the alarm device in the water leakage detection system of the converter valve gives an alarm or not so as to verify the accuracy of the water leakage detection system.

Description

Calibration device for water leakage detection system of converter valve
Technical Field
The invention relates to the technical field of water leakage detection system checking, in particular to a checking device of a converter valve water leakage detection system.
Background
The converter valve is one of key devices in a high-voltage direct-current transmission system, and the working stability of the direct-current transmission system is directly influenced by the reliability of the working operation of the converter valve. Generally, the inside cooling mode of converter valve adopts water-cooling, but water cooling system generally has complicated water route and a large amount of water pipe head, and long-term operation in-process has great risk of leaking, in case valve tower appears leaking, product spare part including electrical component, part performance can receive very big influence, produce very big threat to system safety, consequently, need set up the detection device that leaks and realize guardianship water cooling system's the trouble of leaking.
However, the existing water leakage detection device lacks of checking the accuracy of the detection result before being put into use, so that a worker cannot ensure whether the result of the water leakage detection device is reliable or not, and certain potential safety hazards exist.
Disclosure of Invention
In view of the above, it is necessary to provide a calibration device for a converter valve water leakage detection system, which can calibrate the water leakage detection system and improve the detection accuracy of the water leakage detection system.
A converter valve water leakage detection system calibration device comprises: the box, the lateral wall of box is equipped with the scale, be equipped with the holding chamber that is used for splendid attire water in the box, be equipped with first opening and second opening on the box, just first opening with the second opening all with holding chamber intercommunication, the prism of the detection system that leaks of converter valve can locate first opening part, just the prism can insert the holding intracavity, the prism can form closed light path with the optical emitter of the detection system that leaks of converter valve and the optical receiver of the detection system that leaks of converter valve, just optical receiver is connected with the alarm device of detection system that leaks of converter valve.
Before the converter valve water leakage detection system is used, the detection precision of the converter valve water leakage detection system can be checked by using the converter valve water leakage detection system checking device. In the checking device for the water leakage detection system of the converter valve, when checking is needed, the prism in the water leakage detection system of the converter valve can be placed at the first opening, the prism is inserted into the accommodating cavity, at the moment, water can be injected into the accommodating cavity through the second opening, and the water gradually rises in the accommodating cavity. When the wading depth of the prism exceeds the specified threshold value, the water leakage detection system alarms to indicate that the converter valve has water leakage, so that when the checking device is used, the accuracy of the water leakage detection system is verified by observing and comparing the scale on the box body and comparing whether the depth value of the prism submerged in the accommodating cavity when the alarm device alarms in the water leakage detection system of the converter valve is consistent with the specified threshold value of the prism.
The technical solution is further explained below:
in one embodiment, the separator is disposed in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the separator, the volume of the first cavity is smaller than that of the second cavity, the first opening is communicated with the first cavity, the second opening is communicated with the second cavity, a connecting channel is disposed in the separator, two pipe orifice ends of the connecting channel are respectively communicated with the first cavity and the second cavity, an end portion of the connecting channel far away from the two pipe orifice ends is called a pole end, and the height of the pole end is higher than the height of the two pipe orifice ends.
In one embodiment, the height of the pole end along the vertical direction is higher than the height of the second opening and the height of the first opening.
In one embodiment, the connecting channel is a U-shaped tube, an opening of the U-shaped tube faces downward, two tube mouth ends of the U-shaped tube are respectively communicated with the first chamber and the second chamber, and an end of the U-shaped tube away from the opening is the pole end.
In one embodiment, the connecting channel is provided in plurality, and the connecting channels are arranged at intervals in sequence.
In one embodiment, the air pump further comprises a connecting mechanism, the connecting mechanism is provided with an air inlet and an air outlet which are communicated with each other, the air outlet of the connecting mechanism can be communicated with the second opening, and the air inlet of the connecting mechanism is communicated with the air pump.
In one embodiment, a gas regulating valve is arranged at the gas inlet of the connecting mechanism and used for controlling the amount of gas introduced into the second chamber.
In one embodiment, when the prism is placed in the accommodating cavity, the end part close to the bottom of the accommodating cavity is called a first end, the scales are distributed along the vertical direction, the scale values of the scales are sequentially increased from bottom to top, and the initial scale mark of the scales and the first end are positioned on the same horizontal plane.
In one embodiment, the housing is a transparent housing.
In one embodiment, the optical fiber connector further comprises a plunger, the plunger is matched with the first opening, a sealing ring is arranged on the side wall of the first opening, and when the prism is not arranged at the first opening, the plunger is covered at the first opening.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and are not intended to limit the invention.
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 will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Further, the drawings are not to scale of 1:1, and the relative sizes of the various elements in the drawings are drawn only by way of example and not necessarily to true scale. In the drawings:
FIG. 1 is a schematic structural diagram of a prism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a converter valve water leakage detection system calibration apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a checking apparatus for a water leakage detection system of a converter valve with a prism inserted therein according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;
fig. 5 is a schematic structural view illustrating the plunger inserted into the first opening according to an embodiment of the present invention.
The elements in the figure are labeled as follows:
10. a converter valve water leakage detection system; 110. a prism; 111. a right-angled surface; 112. a first connection face; 113. A first end; 120. a linker; 130. a light emission line; 140. a light receiving line; 150. a chassis; 20. a converter valve water leakage detection system calibration device; 210. a box body; 211. calibration; 212. an accommodating cavity; 2121. a first chamber; 2122. a second chamber; 213. a first opening; 214. a second opening; 215. a notch; 220. a separator; 221. a connecting channel; 2211. a pipe orifice end; 2212. a pole end; 230. a connecting mechanism; 231. an air inlet; 232. an air outlet; 240. and a plunger.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention can be embodied in many different forms than those herein described and one skilled in the art can make similar modifications without departing from the spirit of the invention and it is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1 and 2, the converter valve water leakage detection system includes a liquid receiving tray (not shown), a prism 110, a light emitter (not shown), a light receiver (not shown), an alarm device (not shown), and a connector 120 for connecting the prism 110 with the light emitter and the light receiver. As shown in fig. 1, the prism 110 is a total reflection prism. The total reflection prism comprises two right-angle surfaces 111 which are oppositely arranged at intervals, and a connecting surface which is arranged around the two right-angle surfaces 111 in the circumferential direction. One of the connection surfaces can be connected with the connection body 120, and the connection surface is referred to as a first connection surface 112. Specifically, two parallel channels (not shown) are disposed in the connecting body 120, which are an optical transmitting channel and an optical receiving channel, respectively, wherein the optical transmitting channel is connected to the optical transmitter via an optical transmitting line 130, and the optical receiving channel is connected to the optical receiver via an optical receiving line 140.
Specifically, when the optical transmitter transmits an optical signal, the optical transmission line 130 transmits the optical signal to the optical transmission channel in the connecting body 120 and then transmits the optical signal to the first connection surface 112, and the optical signal is transmitted to the right-angle surface 111 through the first connection surface 112. When the prism 110 is placed in the liquid receiving tray and is in a water-free environment, the optical signal emitted by the light emitter is reflected by the prism 110 and then enters the light receiving channel, and the received optical signal is fed back to the light receiver through the light receiving line 140, and at this time, the energy of the optical signal received by the light receiver is the same as that of the optical signal emitted by the emitter. When the liquid receiving disc contains water, the prism 110 is in a water environment, and the light does not meet the condition of total reflection due to the different refractive indexes of the water and the prism 110, so that the energy of the optical signal received by the optical receiver is not equal to the energy of the optical signal emitted by the optical emitter. Specifically, in practical application, when the water in the liquid receiving tray exceeds a specified height for submerging the prism 110, the light signal received by the light receiver is fed back to the alarm device to give an alarm; when the water in the liquid receiving disc does not exceed the specified height of the submerged prism 110, the alarm device does not give an alarm. The height value when the prism 110 is submerged by the water in the liquid receiving tray when the alarm device gives an alarm is called a predetermined threshold value.
Referring to fig. 2 to 4, an embodiment of the present application provides a calibration apparatus 20 for a converter valve water leakage detection system, including: and a case 210. The side wall of the box 210 is provided with a scale 211. The tank 210 has a receiving chamber 212 for receiving water therein. The box 210 is provided with a first opening 213 and a second opening 214, and the first opening 213 and the second opening 214 are both communicated with the accommodating cavity 212. The prism 110 of the converter valve water leakage detection system can be arranged at the first opening 213, and the prism 110 can be inserted into the accommodating cavity 212. The prism 110 can form a closed optical path with the optical transmitter of the converter valve water leakage detection system and the optical receiver of the converter valve water leakage detection system. And the optical receiver is connected with an alarm device of the converter valve water leakage detection system.
Before the converter valve water leakage detection system is used, the detection precision of the converter valve water leakage detection system can be checked by using the converter valve water leakage detection system checking device 20. In the calibration device 20 for the converter valve water leakage detection system, when calibration is required, the prism 110 in the converter valve water leakage detection system can be placed at the first opening 213, and the prism 110 is inserted into the accommodating cavity 212, at this time, water can be injected into the accommodating cavity 212 through the second opening 214, and the water gradually rises in the accommodating cavity 212. When the wading depth of the prism 110 exceeds the specified threshold value in the converter valve water leakage detection system, the water leakage detection system alarms to indicate that the converter valve has water leakage, so that when the detection device is used, the accuracy of the water leakage detection system is verified by observing and comparing whether the depth value of the prism 110 submerged in the accommodating cavity 212 is consistent with the specified threshold value of the prism or not when the alarm device alarms in the converter valve water leakage detection system through the scale 211 on the box body 210.
Specifically, in the present embodiment, the closed optical path refers to an optical path where an optical signal is reflected and refracted by the prism 110 after being emitted from the optical transmitter and then returned to the optical receiver.
Referring to fig. 2 and 4, on the basis of the above embodiments, in an embodiment, the calibration apparatus 20 for a converter valve water leakage detection system further includes a partition 220. The partition 220 is disposed in the accommodating cavity 212, and the partition 220 divides the accommodating cavity 212 into a first chamber 2121 and a second chamber 2122, and the volume of the first chamber 2121 is smaller than the volume of the second chamber 2122. The first opening 213 communicates with the first chamber 2121 and the second opening 214 communicates with the second chamber 2122. A connection passage 221 is provided in the partition 220. The two nozzle ends 2211 of the connecting passage 221 communicate with the first and second chambers 2121 and 2122, respectively.
The water in the second chamber 2122 can be gradually poured into the first chamber 2121 through the connection passage 211, and thus the water contained in the second chamber 2122 is sufficient to fill the first chamber 2121, based on the volume of the second chamber 2122 being greater than the volume of the first chamber 2121. An operator can control the flooding depth of the prism 110 in the first chamber 2121 to ensure that the converter valve water leakage detection system verification device 20 has verification capability.
Before verification, to ensure that water in the second chamber 2122 does not enter the first chamber 2121, further, the end of the connecting passage 221 away from the two port ends 2211 in the vertical direction is referred to as a pole end 2212. Pole end 2212 is at a higher elevation than the two orifice ends 2211. So that the water inside the second chamber 2122 does not flow into the first chamber 2121 without applying an external force. During the calibration process, the operator may actively control the amount of water flowing into the first chamber 2121, thereby accurately testing the accuracy of the converter valve water leakage detection system.
Further, on the basis of the above embodiments, in an embodiment, the height of the extreme end 2212 along the vertical direction is higher than the height of the second opening 214 and the height of the first opening 213, respectively. Thus, when the second chamber 2122 is filled with water, the water cannot flow into the first chamber 2121 through the connecting passage 221, and the control of the water filling requirement of the first chamber 2121 can be effectively satisfied.
Specifically, in the present embodiment, the connecting channel 221 is a U-shaped pipe, and the opening of the U-shaped pipe faces downward. The two pipe mouth ends 2211 of the U-shaped pipe are respectively communicated with the first cavity 2121 and the second cavity 2122, and the end part of the U-shaped pipe departing from the opening is a pole end 2212.
Alternatively, in another embodiment, the connecting channel 221 may be M-shaped. Alternatively, the specific shape of the connecting channel 221 is not limited, and it is only necessary to ensure that the pole end 2212 of the connecting channel 221 is located at a height higher than the height of the two pipe opening ends 2211 of the connecting channel 221.
In order to increase the speed of the water flowing from the second chamber 2122 to the first chamber 2121, the connecting passage 221 is provided in plurality, and the plurality of connecting passages 221 are sequentially spaced apart.
Specifically, in the present embodiment, the partition 220 is a solid plate having a certain thickness, and a channel, which is the connection channel 221, is dug in the solid plate.
Alternatively, in another embodiment, as shown in fig. 3 and 4, the direction pointing from the first opening 213 to the second opening 214 in the horizontal direction is the first direction. The partition member 220 includes a first partition plate and a second partition plate which are sequentially disposed at an interval in a first direction. The peripheral wall of the first partition plate is connected with the side wall of the accommodating cavity 212, and the peripheral wall of the second partition plate is connected with the side wall of the accommodating cavity 212. Along the first direction in the accommodating cavity 212, a space of the first partition departing from the second partition is a first chamber 2121, and a space of the second partition departing from the first partition is a second chamber 2122. The first partition and the second partition form a third chamber therebetween. The partition 220 further includes a third partition plate disposed between the first partition plate and the second partition plate, the third partition plate is disposed along the first direction and opposite to the first partition plate and the second partition plate at an interval, and the top wall of the third partition plate and the top wall of the accommodating cavity 212 are disposed along the vertical direction at an interval to form a connecting channel 221. The first partition and the second partition are both provided with through holes communicated with the connecting channel 221 to form two pipe orifice ends 2211 of the connecting channel 221.
For the convenience of clear understanding of the arrangement direction of the first direction in the present embodiment, taking fig. 4 as an example, the first direction is S in fig. 41The direction indicated.
Referring to fig. 3 and 4, based on the above embodiments, in an embodiment, the calibration device 20 of the converter valve water leakage detection system further includes a connecting mechanism 230, the connecting mechanism 230 is provided with an air inlet 231 and an air outlet 232 that are communicated with each other, the air outlet 232 of the connecting mechanism 230 can be communicated with the second opening 214, and the air inlet 231 of the connecting mechanism 230 is communicated with the air pump.
Specifically, in this embodiment, the water inlet pipe is communicated with the second inlet, and water is injected into the second chamber 2122 through the water inlet pipe. When the water is full, the inlet tube is removed and the connection structure is inserted into the second opening 214, such that the air outlet 232 is in communication with the second chamber 2122. Specifically, when it is required to fill the first chamber 2121 with water, the air pump is turned on, and the water in the second chamber 2122 is influenced by the pressure to flow into the first chamber 2121 through the connection passage 221. Meanwhile, the flow rate and speed of water flowing into the first chamber 2121 can be controlled by the speed and flow direction of the gas introduced into the second chamber 2122. When the verification is completed, the air in the second chamber 2122 may be pumped by the air pump, so that the air pressure in the second chamber 2122 is reduced, and thus, the water in the first chamber 2121 flows back to the second chamber 2122 through the connection passage 221.
Further, in one embodiment, a gas regulating valve (not shown) is disposed at the gas inlet 231 of the connecting mechanism 230. The gas regulating valve is used for controlling the amount of gas introduced into the second chamber 2122.
Optionally, in another embodiment, the connecting mechanism 230 is provided with a water inlet, an air inlet 231 and an air outlet 232 which are communicated with each other. The air outlet 232 of the connection mechanism 230 communicates with the second opening 214. The water inlet of the connection mechanism 230 is communicated with the water inlet pipe. The air inlet 231 of the connection mechanism 230 communicates with the air pump. Thus, the inlet tube and connection mechanism 230 need not be repeatedly replaced at the second opening 214.
Specifically, when it is desired to inject water into the second chamber 2122, the gas regulating valve may be closed. Therefore, the water can be prevented from flowing to the air pump and damaging the air pump.
Further, in one embodiment, a switch valve is disposed at the water inlet of the connection mechanism 230. When it is desired to fill the second chamber 2122 with water, the on/off valve is opened and the gas on/off valve is closed. When it is desired to inject gas into the second chamber 2122, the gas switch valve is opened and closed to prevent gas from exiting through the water inlet.
Referring to fig. 1, fig. 3 and fig. 4, on the basis of the above embodiments, in one embodiment, an end portion of the prism 110 close to the bottom of the accommodating cavity 212 when being placed in the accommodating cavity 212 is referred to as a first end 113. The scales 211 are distributed along the vertical direction, and the values of the scales 211 increase from bottom to top. And the start tick mark of the tick mark 211 is at the same level as the first end 113. Therefore, an operator can conveniently read the depth of the prism 110 submerged in water, and the value is convenient to read.
Specifically, as shown in fig. 1, the first end 113 is disposed opposite to the first connection surface 112.
When the first chamber 2121 is filled with water, the two right-angled surfaces 111 of the prism 110 are perpendicular to the horizontal plane.
To facilitate the operator to observe the water level in the first chamber 2121, in an embodiment based on the above-mentioned embodiment, the housing 210 is a transparent housing 210. Therefore, the visibility of the converter valve water leakage detection system calibration device 20 is improved.
As shown in fig. 2 to 5, the prism 110 is connected to the connecting body 120 and then placed on a chassis, and a surrounding plate 160 extending toward the box 210 is disposed on the chassis 150. To avoid the box 210 from interfering with the placement of the chassis 150 when the prism 110 is inserted into the first opening 213. Specifically, in the present embodiment, as shown in fig. 3 and 4, when the prism 110 is disposed at the first opening 213, the box 210 is provided with an inwardly recessed notch 215 at a position close to the end of the chassis 150, and the shape and size of the notch 215 are adapted to the shape and size of the shroud 160.
Referring to fig. 2 and 5, on the basis of the above embodiments, in an embodiment, the verification device 20 for a converter valve water leakage detection system further includes a plunger 240. The plunger 240 fits into the first opening 213. The side wall of the first opening 213 is provided with a sealing ring (not shown). When the prism 110 is not disposed at the first opening 213, the plunger 240 is disposed at the first opening 213. Therefore, impurities such as dust can be prevented from entering the first chamber 2121, and the checking accuracy is not affected.
Specifically, in this implementation, when a specified threshold of the prism 110 needs to be verified when an alarm occurs in the converter valve water leakage detection system, the prism 110 is first placed into the first opening 213, so that the height of the first end 113 of the prism 110 is flush with the start scale line of the scale 211; secondly, air may be supplied into the second chamber 2122 by the air pump, so that the water in the second chamber 2122 gradually flows to the first chamber 2121; further, the height of the water level in the first chamber 2121 is observed, and when the height of the prism 110 immersed in the water is lower than a prescribed threshold value, whether the alarm device gives an alarm or not is observed, and when the height of the prism 110 immersed in the water exceeds the prescribed threshold value, whether the alarm device gives an alarm or not is observed. Specifically, when the height of the prism 110 intruding into water does not exceed a specified threshold value, the alarm mechanism does not give an alarm, and when the height of the prism 110 intruding into water exceeds the specified threshold value, the alarm mechanism gives an alarm to indicate that the converter valve water leakage detection system meets the use requirement, so that the detection precision is high.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected through the interior of two elements or through the interaction of two elements unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "below," and "beneath" a second feature may be directly or obliquely under the first feature or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a converter valve detection system calibration equipment that leaks which characterized in that includes: the box, the lateral wall of box is equipped with the scale, be equipped with the holding chamber that is used for splendid attire water in the box, be equipped with first opening and second opening on the box, just first opening with the second opening all with holding chamber intercommunication, the prism of the detection system that leaks of converter valve can locate first opening part, just the prism can insert the holding intracavity, the prism can form closed light path with the optical emitter of the detection system that leaks of converter valve and the optical receiver of the detection system that leaks of converter valve, just optical receiver is connected with the alarm device of the detection system that leaks of converter valve.
2. The calibration device for the converter valve water leakage detection system according to claim 1, further comprising a partition, wherein the partition is disposed in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the partition, the volume of the first cavity is smaller than that of the second cavity, the first opening is communicated with the first cavity, the second opening is communicated with the second cavity, a connecting channel is disposed in the partition, two pipe orifice ends of the connecting channel are respectively communicated with the first cavity and the second cavity, an end portion of the connecting channel far away from the two pipe orifice ends is called a pole end, and the pole end is higher than the two pipe orifice ends.
3. The checking device for the water leakage detection system of the converter valve as recited in claim 2, wherein the height of the pole end along the vertical direction is respectively higher than the height of the second opening and the height of the first opening.
4. The checking device for the water leakage detection system of the converter valve according to claim 2, wherein the connecting channel is a U-shaped pipe, an opening of the U-shaped pipe faces downward, two pipe orifice ends of the U-shaped pipe are respectively communicated with the first chamber and the second chamber, and an end part of the U-shaped pipe, which is away from the opening, is the pole end.
5. The checking device for the water leakage detection system of the converter valve as claimed in claim 2, wherein a plurality of said connecting channels are provided, and a plurality of said connecting channels are sequentially provided at intervals.
6. The calibration device for the water leakage detection system of the converter valve according to claim 2, further comprising a connection mechanism, wherein the connection mechanism is provided with an air inlet and an air outlet which are communicated with each other, the air outlet of the connection mechanism can be communicated with the second opening, and the air inlet of the connection mechanism is communicated with the air pump.
7. The verification device for the converter valve water leakage detection system according to claim 6, wherein a gas regulating valve is arranged at the air inlet of the connecting mechanism and used for controlling the air inflow into the second chamber.
8. The calibration device for the converter valve water leakage detection system according to any one of claims 1-7, wherein an end portion of the prism close to the bottom of the accommodating cavity when the prism is placed in the accommodating cavity is called a first end, the scales are distributed along a vertical direction, scale values of the scales increase from bottom to top in sequence, and a starting scale line of the scales is located on the same horizontal plane as the first end.
9. The checking device for the water leakage detection system of the converter valve according to any one of claims 1 to 7, wherein the box body is a transparent box body.
10. The calibration device for the converter valve water leakage detection system according to any one of claims 1-7, further comprising a plunger, wherein the plunger is matched with the first opening, a sealing ring is arranged on a side wall of the first opening, and when the prism is not arranged at the first opening, the plunger is covered at the first opening.
CN202111148581.XA 2021-09-28 2021-09-28 Calibration device for water leakage detection system of converter valve Pending CN113945328A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115753063A (en) * 2022-11-29 2023-03-07 中国南方电网有限责任公司超高压输电公司广州局 Detection device for detecting conduction condition of valve tower cooling branch of converter station

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