CN102519689B - Water leakage detection device of valve tower of converter valve - Google Patents
Water leakage detection device of valve tower of converter valve Download PDFInfo
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- CN102519689B CN102519689B CN201110387638.1A CN201110387638A CN102519689B CN 102519689 B CN102519689 B CN 102519689B CN 201110387638 A CN201110387638 A CN 201110387638A CN 102519689 B CN102519689 B CN 102519689B
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Abstract
The invention discloses a water leakage detection device of a valve tower of a converter valve. The water leakage detection device comprises a water leakage collection tray, wherein the upper surface of the water leakage collection tray is provided with a water leakage collection place; a water leakage detection cylinder is fixed at the collection place of the water leakage collection tray; a water inlet is arranged on the water leakage detection cylinder; two light transmitting optical cables and two light receiving optical cables are respectively and correspondingly fixed at two sides of the water leakage detection cylinder; a floating block is arranged in the water leakage detection cylinder; a baffle for blocking optical signals from the light transmitting optical cables is fixed on the upper end face of the floating block; two holes, namely a first long hole and a second long hole, respectively for the optical signals of the two light transmitting optical cables to pass through, are arranged at the upper end part of the baffle; and lower edges of the first long hole and the second long hole are used for moving to respective corresponding optical cables successively in the raising process of the floating block. The water leakage detection device disclosed by the invention is capable of accurately detecting different water leakage conditions of the valve tower, thus, the operation of the valve tower can be effectively protected.
Description
Technical field
The present invention relates to a kind of leakage inspector of converter valve tower.
Background technology
Converter valve tower is owing to being provided with water circuit system; water circuit system can cause the damage of valve tower components and parts when leaking; and the decline of water-cooled efficiency can cause the radiating effect of whole valve tower appliance component to decline; therefore leakage inspector is installed on valve tower be used for detecting water leakage situation, thus realizes the protection to the operation of valve tower.
Traditional valve tower leak water detdction design directly places leak water detdction probe in the side of valve tower bottom radome, probe end fixes a facet mirror, whether the probe other end connects optical cable, luminous by optical cable, then detect valve tower through flat mirror reflects and leak.There is following drawback, first in this leak water detdction mode: because probe exposes in atmosphere, the time has been grown, and probe is assembled dust and covered reflective plane mirror, and the light that optical cable of popping one's head in like this sends just cannot reflect back, and is easy to cause wrong report water leakage situation; Second: as long as there is water leakage situation, no matter whether water leakage situation is serious, and testing result only has one, namely can not report different signals along with water leakage situation, causes Background control can not monitor very accurately valve tower water leakage situation.
Summary of the invention
The object of this invention is to provide a kind of leakage inspector that accurately can detect the water leakage situation that valve tower is different, can only detect whether leak water problem in order to solve existing leakage inspector.
The present invention adopts following technical scheme: a kind of Water leakage detection device of valve tower of converter valve, comprise the catch tray that leaks, leak catch tray upper surface on have for collect leak at the junction leaked on catch tray upper surface that leaks, the junction of catch tray of leaking is fixed with the leak water detdction cylinder of upper end open, the sidewall of leak water detdction cylinder offers the inlet opening entered that leaks for junction, the both sides of leak water detdction cylinder respectively correspondence are fixed with two light and launch optical cables and two light-receiving optical cables, two light launch optical cable and two light-receiving optical cable one_to_one corresponding settings, the floating block for rising with buoyancy of water is provided with in leak water detdction cylinder, the upper surface of described floating block is fixed with the baffle plate for blocking the light signal launching optical cable from light extended along leak water detdction cylinder axial direction, the upper end of described baffle plate offers two the first elongated holes passed through for the light signal launching optical cables for two light respectively and the second elongated hole that vertically extend, the lower edge of the first elongated hole and the second elongated hole moves to each self-corresponding optical cable place for priority in floating block uphill process.
The below sidewall of described leak water detdction cylinder being positioned at inlet opening offers metering orifice, and the distance between the upper limb of metering orifice and the bottom interior wall of leak water detdction cylinder equals the lower edge of the second elongated hole and the distance at the optical cable center corresponding with it.
Described two light launch optical cable and two light-receiving optical cables are fixed on leak water detdction cylinder by the optical cable mount pad be fixed on described leak water detdction cylinder, described optical cable mount pad offers the pilot hole that coordinate spacing with described barrier slides, and optical cable mount pad offers two axes normal in the mounting hole of described baffle plate, two mounting holes are arranged with two elongated hole one_to_one corresponding of described baffle plate respectively, and the two ends of two mounting holes launch optical cable and light-receiving cable respectively termination inserting with described light coordinates.
Described two mounting holes are all divided into two that are positioned at pilot hole both sides by described pilot hole, the top described optical cable mount pad being positioned at each mounting hole is all installed with end for launching the lock-screw of optical cable or the top press fit of light-receiving optical cable with each self-corresponding light.
The described catch tray that leaks is V-type groove structure, and the junction of the catch tray that leaks is the bottom land of V-type groove.
Described inlet opening is be distributed in two that are arranged symmetrically in the surge drum both sides that leak.
Adopt the leakage inspector of said structure, the catch tray that leaks is arranged in radome, just in time be positioned at immediately below valve tower, leaking of whole valve tower can be covered, and the catch tray that leaks has for the junction collected that leaks by each several part, be provided with at junction the surge drum that leaks, can ensure farthest to leak to focus on leak in surge drum by what collect by this junction, ensure that the accuracy of detection.The both sides of leak water detdction cylinder are fixed with two light respectively and launch optical cable and two light-receiving optical cables, two light launch optical cable and two light-receiving optical cable one_to_one corresponding settings, and the light signal sent by light transmitting optical cable is like this received by each self-corresponding light-receiving optical cable respectively.Leak the floating block be provided with in surge drum with leaking buoyancy of water and rising, floating block is fixed with baffle plate, baffle plate along with floating block leak in surge drum according to collect water leakage situation constantly rise, and baffle plate offering the first elongated hole and the second elongated hole that pass for two light signals respectively, the lower edge of the first elongated hole and the second elongated hole moves to each self-corresponding optical cable place for priority in floating block uphill process.When valve tower does not occur water leakage situation or leaks less, the motionless or rising certain altitude of baffle plate makes two light signals all can by each self-corresponding elongated hole; The situation of leaking when valve tower makes in baffle plate uphill process, light signal can only pass through the second elongated hole, and this process does not affect, by sending alerting signal the operation of valve tower, the running background personnel moment notes water leakage situation, for the normal running of running background personnel gains time; When valve tower continues to leak, baffle plate continue rising make two light signals all not by time, now have impact to the operation of valve tower, by sending trip signal, all components and parts protecting whole valve tower are by leaking water mitigation.Therefore, this leakage inspector accurately can detect the water leakage situation that valve tower is different, thus the operation of available protecting valve tower.
The below sidewall of described leak water detdction cylinder being positioned at inlet opening also offers metering orifice, and entering leaking in leak water detdction cylinder by inlet opening can discharge from metering orifice, because the flow that leaks of the flow of inlet water with valve tower that enter leak water detdction cylinder is relevant.If leak, flow is less than a certain numerical value when sending alerting signal simultaneously, and run not impact to valve tower, the drain discharge of metering orifice is greater than the flow of inlet water of inlet opening, leaks and can flow out from metering orifice always; When flow is greater than a certain numerical value if leak, when the drain discharge of metering orifice is less than the flow of inlet water of inlet opening, leaks and can cover metering orifice.And the distance between the bottom interior wall of the upper limb of metering orifice and leak water detdction cylinder equals the lower edge of the second elongated hole and the distance at the optical cable center corresponding with it, namely leak overflow to metering orifice upper limb time, the lower edge of the second elongated hole rises to the optical cable position corresponding with it, now sends trip signal.Therefore, by the flow determination metering orifice that leaks of valve tower, can ensure, when the flow that leaks of valve tower is unlikely to affect the operation of valve tower, does not occur trip signal, valve tower is worked on.
In addition, the light detected launches the termination of optical cable and the termination of light-receiving optical cable can be arranged in the mounting hole of optical cable mount pad, can avoid the wrong report water leakage situation because dust causes.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of leakage inspector of the present invention;
Fig. 2 is the scheme of installation of the leak water detdction cylinder in Fig. 1;
Fig. 3 is the scheme of installation of the floating block in Fig. 1;
Fig. 4 is the scheme of installation of the baffle plate in Fig. 1.
Embodiment
The embodiment of a kind of Water leakage detection device of valve tower of converter valve of the present invention: as Figure 1-4, this device is for being arranged on inside the radome 1 immediately below valve tower, comprise the catch tray 4 that leaks, leak water detdction cylinder 5 and floating block 8, leak water detdction cylinder 5 is fixed on the catch tray 4 that leaks for collecting leaking of valve tower, and the upper end open of leak water detdction cylinder 5, floating block 8 is positioned at leak water detdction cylinder 5, and the material of floating block 8 is foam, and can rise along with the collection water leakage situation in leak water detdction cylinder 5 different height.In order to guarantee farthest to be pooled in leak water detdction cylinder 5 by leaking of valve tower, the described catch tray 4 that leaks is covered with radome 1, and the catch tray 4 that leaks is for V-type groove structure, described leak water detdction cylinder 5 is arranged in the bottom land place of V-type groove and is welded and fixed, the sidewall of leak water detdction cylinder 5 offers the inlet opening 6 that two run through the barrel of leak water detdction cylinder 5, two inlet openings 6 are all corresponding with the bottom land of V-type groove, and ensure that leaks can flow in leak water detdction cylinder 5 immediately.Described floating block 8 is column structure, the upper surface of floating block 8 is fixed with the baffle plate 3 extended along floating block 8 axial direction, the upper end of baffle plate 3 offers two the first elongated hole 9 and the second elongated holes 10 vertically extended, the length of the second elongated hole 10 is greater than the length of the first elongated hole 9, and the first elongated hole 9 is concordant with the upper limb of the second elongated hole 10, the lower edge of such second elongated hole 10 is lower than the lower edge of the first elongated hole 9.During concrete installation, two light are launched the side that optical cable is fixed on baffle plate 3, two light-receiving optical cables are fixed on the opposite side of baffle plate 3, and the termination making two light launch optical cable is arranged with the termination one_to_one corresponding of two light-receiving optical cables respectively, such two light-receiving optical cables can receive the light signal that each self-corresponding light transmitting optical cable sends, the center of optical cable termination is all positioned at the upper limb position of respective corresponding elongated hole simultaneously, and light signal can respectively by each self-corresponding first elongated hole 9 and the second elongated hole 10.
Leak water detdction cylinder 5 is being collected in the process that valve tower leaks, floating block 8 along with leak collect situation constantly rise, when floating block 8 rises to certain altitude, the lower edge of the first elongated hole 9 is positioned at position, optical cable termination corresponding to it, now corresponding with the first elongated hole 9 light is launched the light signal that optical cable sends and is blocked by baffle plate 3, only have light-receiving optical cable corresponding to 10 holes long with second to receive light signal, now send alerting signal; When floating block 8 rises certain altitude again, the lower edge of the second elongated hole 10 is positioned at the optical cable termination position corresponding with it, now the light signal that sends of two light transmitting optical cables is all blocked by baffle plate 3, and two light-receiving optical cables all do not receive light signal, now send trip signal.
The below that the sidewall of leak water detdction cylinder 5 is positioned at inlet opening offers metering orifice, enter leaking in leak water detdction cylinder 5 by inlet opening to flow out from metering orifice when rising to metering orifice position, because the flow that leaks of the flow of inlet water with valve tower that enter leak water detdction cylinder 5 is relevant, and the flow that leaks of valve tower is uncertain, when valve tower leak flow be less than a certain numerical value time, the operation of valve tower is not affected, now the drain discharge of metering orifice is greater than the flow of inlet water of inlet opening, and the water surface in leak water detdction cylinder 5 is in the lower edge position of metering orifice always; When valve tower leak flow be greater than a certain numerical value time, the operation of valve tower is affected, and when the drain discharge of metering orifice is less than the flow of inlet water of inlet opening, the water surface in leak water detdction cylinder 5 can cover metering orifice.In order to valve tower is leaked flow is less than a certain numerical value time do not affect it and normally run, distance between the upper limb of metering orifice and the bottom interior wall of leak water detdction cylinder 5 equals the distance between the lower edge of the second elongated hole 10 and the center, optical cable termination corresponding with it, namely floating block 8 is in uphill process, when the bottom surface of floating block 8 is positioned at the upper limb position of metering orifice, the lower edge of the second elongated hole 10 moves to the optical cable position corresponding with it, and now two light-receiving optical cables all can not receive signal.
Conveniently light launches the installation of optical cable and light-receiving optical cable, the upper end open place of described leak water detdction cylinder 5 is fixed with optical cable mount pad 2, simultaneously in order to not affect the rising of baffle plate 3, optical cable mount pad 2 offers the pilot hole passed for baffle plate 3, baffle plate 3 slides spacing cooperation with optical cable mount pad 2 along with the rising of floating block 8, the side end face of described optical cable mount pad 2 offers two axes normal in the mounting hole of baffle plate 3, and two mounting holes and two elongated hole one_to_one corresponding are arranged, described two mounting holes are through hole, therefore, each mounting hole is directed to again hole and is divided into two, the top upper surface of described optical cable mount pad 2 being positioned at each mounting hole is installed with lock-screw 7, the end of lock-screw 7 stretches in each self-corresponding mounting hole respectively, the termination that two light launch optical cable is inserted in the mounting hole of pilot hole side respectively, the termination of two light-receiving optical cables is inserted in the mounting hole of pilot hole opposite side respectively, and by lock-screw 7, each optical cable is fixed.
In above-described embodiment, first elongated hole 9 is concordant with the upper limb of the second elongated hole 10, the lower edge of the second elongated hole 10 is lower than the lower edge of the first elongated hole 9, and the termination of optical cable is all positioned at the upper limb position of respective corresponding elongated hole, namely when a certain amount of leaking appears in valve tower, the lower edge rising to the first elongated hole 9 when floating block 8 is positioned at the optical cable termination position corresponding with it and just sends alerting signal, when namely leaking on a small quantity appears in valve tower, valve tower runs unaffected, also be unlikely to send alerting signal, certainly in other embodiments, the optical cable termination corresponding with the first elongated hole also can be positioned at the lower edge position of the first elongated hole, as long as valve tower can send alerting signal once leaking, and first elongated hole do not need concordant with the upper limb of the second elongated hole yet, as long as ensure in floating block 8 uphill process, be blocked after the light signal that the light that light signal is first blocked, the second elongated hole the is corresponding transmitting optical cable that the light transmitting optical cable that the first elongated hole is corresponding sends sends.
In other embodiments, also can not metering orifice be set, just when the flow that leaks of valve tower is less than a certain numerical value, also can sends trip signal.
In above-described embodiment, the described catch tray that leaks is V-type groove structure, and the bottom land of V-type groove defines the junction of the catch tray that leaks, in other embodiments, the catch tray that leaks can be also diminishing contracting shape structure from top to bottom, and the lower end of contracting shape structure defines the junction of the catch tray that leaks.
Above-described embodiment is when specific works, when valve tower does not have drainage to leak less, namely floating block is in original state, the light signal that two light being now arranged on optical cable mount pad 2 side launch optical cables is received by each self-corresponding two light-receiving optical cables by the elongated hole of two on baffle plate 3, now represents that valve tower is normal condition; When valve tower continues to leak, and the flow that leaks is when being less than a certain numerical value, the water surface that leaks in leak water detdction cylinder 5 can be positioned at the lower edge position of metering orifice always, along with the rising of floating block 8, the light signal only having the light corresponding with the second elongated hole 10 to launch optical cable can be received by its corresponding light-receiving optical cable, now produces alerting signal; And when the flow that leaks is greater than a certain numerical value, leaking in leak water detdction cylinder 5 can cover metering orifice, the bottom surface of floating block 8 rises to the upper limb position of metering orifice, and now the light signal of two light transmitting optical cables all cannot be received by two light-receiving optical cables, now just produces trip signal.
Claims (6)
1. a Water leakage detection device of valve tower of converter valve, it is characterized in that: comprise the catch tray that leaks, leak catch tray upper surface on have for collect leak at the junction leaked on catch tray upper surface that leaks, the junction of catch tray of leaking is fixed with the leak water detdction cylinder of upper end open, the sidewall of leak water detdction cylinder offers the inlet opening entered that leaks for junction, the both sides of leak water detdction cylinder respectively correspondence are fixed with two light and launch optical cables and two light-receiving optical cables, two light launch optical cable and two light-receiving optical cable one_to_one corresponding settings, the light signal sent by light transmitting optical cable is received by each self-corresponding light-receiving optical cable respectively, the floating block for rising with buoyancy of water is provided with in leak water detdction cylinder, the upper surface of described floating block is fixed with the baffle plate for blocking the light signal launching optical cable from light extended along leak water detdction cylinder axial direction, the upper end of described baffle plate offers two the first elongated holes passed through for the light signal launching optical cables for two light respectively and the second elongated hole that vertically extend, the lower edge of the first elongated hole and the second elongated hole moves to each self-corresponding optical cable place for priority in floating block uphill process.
2. Water leakage detection device of valve tower of converter valve according to claim 1, it is characterized in that: the below sidewall of described leak water detdction cylinder being positioned at inlet opening offers metering orifice, the distance between the upper limb of metering orifice and the bottom interior wall of leak water detdction cylinder equals the lower edge of the second elongated hole and the distance at the optical cable center corresponding with it.
3. Water leakage detection device of valve tower of converter valve according to claim 1 and 2, it is characterized in that: described two light launch optical cable and two light-receiving optical cables are fixed on leak water detdction cylinder by the optical cable mount pad be fixed on described leak water detdction cylinder, described optical cable mount pad offers the pilot hole that coordinate spacing with described barrier slides, and optical cable mount pad offers two axes normal in the mounting hole of described baffle plate, two mounting holes are arranged with two elongated hole one_to_one corresponding of described baffle plate respectively, and the two ends of two mounting holes launch optical cable and light-receiving cable respectively termination inserting with described light coordinates.
4. Water leakage detection device of valve tower of converter valve according to claim 3, it is characterized in that: described two mounting holes are all divided into two that are positioned at pilot hole both sides by described pilot hole, the top described optical cable mount pad being positioned at each mounting hole is all installed with end for launching the lock-screw of optical cable or the top press fit of light-receiving optical cable with each self-corresponding light.
5. Water leakage detection device of valve tower of converter valve according to claim 1, is characterized in that: described in the catch tray that leaks be V-type groove structure, the junction of the catch tray that leaks is the bottom land of V-type groove.
6. Water leakage detection device of valve tower of converter valve according to claim 1, is characterized in that: described inlet opening is be distributed in two that are arranged symmetrically in the surge drum both sides that leak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387638.1A CN102519689B (en) | 2011-11-30 | 2011-11-30 | Water leakage detection device of valve tower of converter valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387638.1A CN102519689B (en) | 2011-11-30 | 2011-11-30 | Water leakage detection device of valve tower of converter valve |
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| Publication Number | Publication Date |
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| CN102519689A CN102519689A (en) | 2012-06-27 |
| CN102519689B true CN102519689B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110387638.1A Active CN102519689B (en) | 2011-11-30 | 2011-11-30 | Water leakage detection device of valve tower of converter valve |
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| CN104009651B (en) * | 2014-05-30 | 2016-06-22 | 许继电气股份有限公司 | Converter valve tower and use the valve Room of this converter valve tower |
| CN104296952A (en) * | 2014-09-28 | 2015-01-21 | 许继电气股份有限公司 | Direct-current transmission converter valve tower and water leakage detection system thereof |
| CN106706217A (en) * | 2015-07-15 | 2017-05-24 | 南京南瑞继保电气有限公司 | Water leakage detection device for high-voltage converter |
| CN106644290A (en) * | 2015-07-28 | 2017-05-10 | 南京南瑞继保电气有限公司 | Valve tower water leakage detector based on refraction principle |
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| CN107567269B (en) * | 2017-08-16 | 2023-04-28 | 扬州市美华电气有限公司 | Bottom shielding cover assembly |
| CN108489679A (en) * | 2018-03-15 | 2018-09-04 | 中国西电电气股份有限公司 | A kind of extra-high voltage direct-current transmission converter valve leakage inspector and its detection method |
| CN110307940B (en) * | 2019-06-21 | 2020-12-08 | 许继集团有限公司 | Converter valve tower and water leakage detection device thereof |
| CN112781795A (en) * | 2019-11-07 | 2021-05-11 | 许继集团有限公司 | Water leakage detection device for converter valve |
| CN113125092A (en) * | 2019-12-31 | 2021-07-16 | 中国南方电网有限责任公司超高压输电公司 | Water leakage detection device and system |
| CN113131759A (en) * | 2020-01-15 | 2021-07-16 | 许继集团有限公司 | Converter valve tower |
| CN111766019A (en) * | 2020-06-29 | 2020-10-13 | 广州小鹏汽车科技有限公司 | Battery module, vehicle, detection method, and storage medium |
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Owner name: XUJI ELECTRIC CO., LTD. Free format text: FORMER OWNER: XUJI GROUP CO., LTD. Effective date: 20131129 Free format text: FORMER OWNER: XUJI ELECTRIC CO., LTD. Effective date: 20131129 |
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