CN201302504Y - Annular liquid leakage detection device for cylindrical metal cabin - Google Patents
Annular liquid leakage detection device for cylindrical metal cabin Download PDFInfo
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- CN201302504Y CN201302504Y CNU2008201740022U CN200820174002U CN201302504Y CN 201302504 Y CN201302504 Y CN 201302504Y CN U2008201740022 U CNU2008201740022 U CN U2008201740022U CN 200820174002 U CN200820174002 U CN 200820174002U CN 201302504 Y CN201302504 Y CN 201302504Y
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- leakage
- basal disc
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- cabin
- common port
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Abstract
The utility model relates to an annular liquid leakage detection device for a cylindrical metal cabin, and belongs to the field of liquid leakage detection device, which overcomes the defects that the prior liquid leakage detection device can not detect the leakage of liquid in time, and the manufacture, installation and signal processing are more complicated. A leakage detection basal disc is arranged at a position close to a cabin cover on the inner cabin wall of the metal cabin, and the end surface of the base disc is in a round shape; the base disc is arranged on the inner cabin wall by interference fit, and an annular groove is arranged along the central line of the outer circumference surface of the base disc; a liquid leakage detection anode sheet metal is arranged in the leakage detection basal disc, and liquid leakage inflow entrances are arranged on the outer circumference surface, toward one side of the cabin cover, of the base disc; and a common port is arranged in the leakage detection basal disc, and the common port comprises a contact head and a common port leading-out wire. The device can timely detect any leakage of the liquid in any directions, can also temporarily prevent the liquid from further leaking into the cabin when an accident happens, and can be used as an installation or fixing instrument or equipment. The utility model has simple structure, convenient manufacture and installation and high sensitivity.
Description
Technical field
The present invention relates to a kind of apparatus for testing weeping, especially a kind of apparatus for testing weeping that is used for the cylindrical metal cabin.
Background technology
General subsea equipment, for example underwater robot, submarine etc. all are provided with columned negative pressure cabin, can have exact instrument or equipment usually in the cabin, if liquid infiltrates, then can impact even damage instrument or equipment.Particularly the subsea equipment of deep ocean work because the cabin inside and outside differential pressure is big, if sealing is tight inadequately or O-ring seal is aging, is easy to cause seawater or lake water to infiltrate in the cabin, causes unforeseen loss.Therefore, equipment or must prevent in the normal pressure or negative pressure cabin that extraneous liquid enters infiltrates if can in time detect liquid under water, before instrument or device damage, makes its corresponding measures, can greatly reduce loss.
Be the infiltration of tracer liquid, existing pick-up unit generally intersects mutually by two but discontiguous Leak Detection sheet is formed, and as shown in Figure 1, whether this pick-up unit can only detect this point leak of liquid.In cylindric negative pressure cabin, liquid generally can infiltrate in the part that gland bonnet combines with the cabin body, promptly soak into to the inside after the infiltration along bulkhead, if only be provided with a bit or some traditional pick-up unit, after liquid infiltrates, may soak into to the inside along the space between adjacent two check points, when leakage rate is big, just can detect leak of liquid.Though can improve accuracy of detection by the method that increase leakage check point is counted, when cabin body diameter was big, the number of check point was very many, will certainly cause the workload of manufacturing installation and the increase of signal Processing complexity.And existing pick-up unit generally is that the detection lug with two intersections sticks on the insulating substrate, because substrate itself has certain thickness, therefore detection lug just can detect the generation of leakage after infiltration liquid reaches certain degree of depth.In addition, existing leakage checkout equipment only can play the effect that leakage detects, function singleness.
Summary of the invention
The purpose of this utility model is to overcome the seepage that existing apparatus for testing weeping can not in time detect liquid, and make, the defective that installation and signal Processing are complicated, a kind of annular apparatus for testing weeping that is used for the cylindrical metal cabin has been proposed, this device can in time detect the seepage of the liquid of any direction, and when the leakage accident takes place, this pick-up unit can also temporarily stop liquid further to permeate in the cabin, other instruments or equipment can also be installed or fix to this apparatus for testing weeping simultaneously, simple in structure, make, install all more convenient, and highly sensitive.
The utility model is to adopt following technical scheme to realize: a kind of annular apparatus for testing weeping that is used for the cylindrical metal cabin, comprise that leakage detects the anode metal sheet, wherein, bulkhead is provided with leakage near the hatchcover place and detects basal disc in the metal cabin, it is rounded that leakage detects the basal disc end face, leakage detects the basal disc interference fit and is installed on the interior bulkhead, the outer circumference surface center line that detects basal disc along leakage is provided with annular groove, the leakage of groove internal fixation detects the anode metal sheet, leakage detects the degree of depth of the thickness of anode metal sheet less than groove, leakage detects basal disc and towards the outer circumferential edges of hatchcover one side the leakage inflow entrance is set at interval, leakage detects and is provided with leakage detection common port in the basal disc, common port comprises contact head and common port extension line, wherein an end of contact head contacts with the metal bulkhead by hold down gag, and the other end is connected with the common port extension line, and contact head is made by metal material, for example copper etc. is formed closed circuit between common port extension line and the anode metal sheet.In this device, contact head contact with bulkhead in the metal cabin under the effect of hold down gag all the time, the detection of leakage simultaneously anode metal sheet not with the metal cabin in bulkhead any contact arranged.
Described leakage detects common port and is installed in leakage and detects in the mounting hole, and mounting hole detects the radial direction of basal disc along leakage, is through to its center of circle by the outer circumference surface of basal disc.Described hold down gag comprises collet threaded and holddown spring, and holddown spring is arranged between collet threaded and the contact head, common port mounting hole inside surface correspondence be provided with internal thread so that cooperate with collet threaded.Leakage detects the anode metal sheet can stick on bottom portion of groove by bonding agent, perhaps be fixed in the groove by sunk screw, also can adopt bonding agent stickup and sunk screw to fix simultaneously, but guarantee that leakage detects the anode metal sheet and fixes the outer circumference surface that the top of back sunk screw must be lower than leakage detection basal disc, the therefore degree of depth that can suitably deepen groove in case of necessity.
Detect on the both sides end face of basal disc with the corresponding leakage of common port mounting hole the concentric line fairlead is set, the common port extension line is drawn from this hole, as the input end of warning circuit.
The center that described leakage detects basal disc is provided with the equipment mounting hole, and it is fixed that the size in this hole, position and shape are come according to concrete erecting equipment, and mini-plant can directly be fixed on the basal disc by the equipment mounting hole; When needs were installed large-scale heavier instrument or equipment, the two ends, the left and right sides in metal cabin were equipped with leakage and detect basal disc, and the basal disc end face is provided with the equipment mounting hole, and fixed support such as fixed equipment screw rod etc. are set between the corresponding equipment mounting hole between two basal discs.
Detect the sealing between the bulkhead in basal disc and the metal cabin in order to increase leakage, install by interference fit between basal disc and the interior bulkhead,, can fix the position of basal disc by fixing feet if basal disc need bear bigger power.
In this apparatus for testing weeping, leakage detects the input end of anode metal sheet as warning circuit, the common port extension line that is connected with contact head in the common port is as another input end of warning circuit, when duty does not promptly have fluid seepage, because the anode metal sheet can not contact with bulkhead in the metal cabin, so warning circuit is not communicated with; When any direction produces fluid seepage, liquid flows into leakage by the leakage inflow entrance and detects in anode metal sheet and the metal cabin between the bulkhead, liquid has played the effect of conductor, be communicated with between bulkhead and the anode metal sheet in making, and interior bulkhead is connected with the common port extension line by contact head, so anode metal sheet and common port extension line be that two input ends of warning circuit are communicated with, and connects warning circuit, send alerting signal, reached the purpose that detects leakage.
The beneficial effects of the utility model are: this device with the liquid of seepage as conductor, make leakage detect that bulkhead is that the common port extension line is connected in anode metal sheet and the metal cabin, start warning circuit, reached the purpose that leakage detects, whole detection device is simple in structure, makes easy for installation, by many leakage inflow entrances that are provided with at interval on the basal disc outer circumference surface, can detect the fluid seepage situation that all directions produce in time, highly sensitive, detect effective; Simultaneously owing to be interference fit between the bulkhead in leakage detection basal disc and the metal cabin, therefore when the leakage accident takes place, can temporarily stop liquid further in the cabin, to permeate, make staff's on-call maintenance or change O-ring seal, prevent that equipment in the cabin or instrument are affected or damage; In addition, by detecting on the substrate equipment mounting hole is set in leakage, mini-plant can be installed on substrate, perhaps by be provided with standing screw for pressurized capsule provide can retainer instrument equipment support, make this apparatus for testing weeping have simultaneously that equipment is fixed, installation function.
Description of drawings
Accompanying drawing 1 is existing apparatus for testing weeping structural representation;
Accompanying drawing 2 is a front view of the present utility model;
Accompanying drawing 3 is a right view of the present utility model;
Accompanying drawing 4 is that the A-A of Fig. 3 is to cut-open view;
Accompanying drawing 5 detects the structural representation of common port for leakage;
Accompanying drawing 6 is synoptic diagram in the metal cabin that main equipment is installed;
Accompanying drawing 7 is warning circuit figure.
Embodiment
As shown in the figure, this apparatus for testing weeping comprises that leakage detects basal disc 2, leakage detects anode metal sheet 3 and leakage detects common port 5, wherein leakage detection basal disc 2 is circular, has certain thickness, the center of basal disc 2 is provided with equipment mounting hole 9, and its interference fit is installed in bulkhead 10 and close hatchcover place in the metal cabin, when basal disc 2 bears bigger power, can fix the position of basal disc 2 by fixing feet is set, be provided with a leakage in the cylindrical metal cabin at least and detect basal disc 2.Basal disc 2 is provided with a plurality of leakage inflow entrances 7 at interval on the outer circumference surface of hatchcover one side, can detect the seepage of all directions liquid by leakage inflow entrance 7.One week had annular groove 4 along basal disc 2 outer circumference surface center lines, the width of groove 4 is about 1/3 of basal disc thickness, leakage detects anode metal sheet 3 is bonded at groove 4 by bonding agent bottom surface, anode metal sheet 3 is initial to detect the both sides of common port mounting hole 5 ' with leakage, and promptly anode metal sheet 3 can not be blocked common port mounting hole 5 '.The height that is fixed on the anode metal sheet 3 in the groove 4 can not surpass the outer circumference surface of basal disc 2, so the degree of depth of groove 4 is greater than the thickness of anode metal sheet 3, when being H such as the thickness when anode metal sheet 3, the degree of depth of groove 4 can be 3H-5H; Anode metal sheet 3 is pasted the fixing method except adopting, and can also be fixed in the groove 4 by sunk screw, but the top of sunk screw can not surpass the outer circumference surface of basal disc 2, the therefore degree of depth that can suitably deepen groove 4 according to actual conditions.
Leakage detects common port 5 and is located in the leakage detection basal disc 2 by mounting hole 5 ', this mounting hole 5 ' is for being led to the hole in its center of circle by the outer circumference surface of basal disc 2 along the radial direction of basal disc 2, its diameter generally is equal to or less than leakage and detects 1/3 of basal disc 2 thickness, as shown in Figure 5, leakage detects common port 5 by the collet threaded 51 that is located in the mounting hole, holddown spring 52, contact head 53 and common port extension line 54 are formed, wherein contact head 53 is copper cylinder, the one end contacts with bulkhead 10 in the metal cabin, the other end is welded with common port extension line 54, and contact head 53 contacts with bulkhead 10 in the metal cabin all the time by the extruding of collet threaded 51 and holddown spring 52.Be provided with concentric line fairlead 6 detecting on the both sides end face that 5 ' the corresponding leakage of common port mounting hole detects basal disc 2 with leakage, common port extension line 54 is drawn from this hole, as an input end of warning circuit.
The course of work of finishing the leakage detection by this apparatus for testing weeping is as follows: because leakage detects the degree of depth of the thickness of anode metal sheet 3 less than groove 4, therefore after basal disc 2 being installed in the metal cabin on the bulkhead 10, there is certain clearance between the bulkhead 10 in anode metal sheet 3 and the metal cabin, contact head 53 bulkhead 10 in the effect of collet threaded 51 and holddown spring 52 and metal cabin closely contacts all the time, and common port extension line 54 is connected with contact head 53, anode metal sheet 3 and common port extension line 54 as two input ends of as shown in Figure 7 warning circuit are in not duty, promptly do not have under the situation of fluid seepage without any annexation, so the warning circuit access failure; When fluid seepage is to the metal cabin, the liquid of any direction seepage can flow in anode metal sheet 3 and the metal cabin between the bulkhead 10 by leakage inflow entrance 7, liquid makes in anode metal sheet 3 and the metal cabin as conductor and connects between the bulkhead 10, thereby the common port extension line 54 on making anode metal sheet 3 and being welded on the contact head 53 of being close to interior bulkhead is connected, promptly two input ends as warning circuit are communicated with, alerting signal is sent in warning circuit work, thereby reaches the purpose that detects leakage.After receiving alerting signal; the staff can keep in repair or O-ring seal is changed the metal cabin immediately; owing to be interference fit between the bulkhead 10 in basal disc 2 and the metal cabin; therefore after in liquid infiltrates the metal cabin; basal disc 2 can play temporary transient prevention liquid and permeate to the inside; protected instrument or the equipment in the cabin, for the long time has been striven in staff's maintenance.
In addition, by the equipment mounting hole 8 at basal disc 2 centers, instrument that can some are small-sized or equipment are fixedly mounted on the basal disc 2; When the needs installed device is bigger or heavier, as shown in Figure 6, the two ends, the left and right sides of bulkhead 10 all are provided with leakage and detect basal disc 2 in the metal cabin, and basal disc 2 is provided with equipment pilot hole 9, connection device standing screw 11 between the pilot hole 9 of correspondence on two basal discs 2 is placed main equipments by equipment standing screw 11 fixed support is provided.
Claims (10)
1, a kind of annular apparatus for testing weeping that is used for the cylindrical metal cabin, comprise that leakage detects the anode metal sheet, it is characterized in that: bulkhead is provided with leakage near the hatchcover place and detects basal disc in the metal cabin, it is rounded that leakage detects the basal disc end face, leakage detects the basal disc interference fit and is installed on the interior bulkhead, the outer circumference surface center line that detects basal disc along leakage is provided with annular groove, the leakage of groove internal fixation detects the anode metal sheet, leakage detects the degree of depth of the thickness of anode metal sheet less than groove, leakage detects basal disc and towards the outer circumferential edges of hatchcover one side the leakage inflow entrance is set at interval, leakage detects and is provided with leakage detection common port in the basal disc, common port comprises contact head and common port extension line, wherein an end of contact head contacts with the metal bulkhead by hold down gag, the other end is connected with the common port extension line, and common port extension line and leakage detect the anode metal sheet and form closed circuit.
2, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 1, it is characterized in that: described leakage detects common port and is installed in the leakage detection mounting hole, mounting hole detects the radial direction of basal disc along leakage, is through to its center of circle by the outer circumference surface of basal disc.
3, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 1 and 2, it is characterized in that: described hold down gag comprises collet threaded and holddown spring, wherein holddown spring is arranged between collet threaded and the contact head, common port mounting hole inside surface correspondence be provided with internal thread.
4, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 1 is characterized in that: described leakage detects the anode metal sheet and sticks on bottom portion of groove by bonding agent.
5, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 1, it is characterized in that: described leakage anode metal sheet is fixed in the groove by sunk screw, and the top of fixing back sunk screw is lower than the outer circumference surface that leakage detects basal disc.
6, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 1 is characterized in that: on the end face of the leakage detection basal disc corresponding with the common port mounting hole concentric line fairlead is set.
7, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 1 is characterized in that: the center that described leakage detects basal disc is provided with the equipment mounting hole.
8, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 1, it is characterized in that: the two ends in described cylindrical metal cabin are equipped with leakage and detect basal disc, the end face that leakage detects basal disc is provided with the equipment pilot hole, between the equipment pilot hole between two basal discs locating device is set.
9, the annular apparatus for testing weeping that is used for the cylindrical metal cabin according to claim 8, it is characterized in that: described locating device is the fixed equipment screw rod.
10, according to claim 1, the 7 or 8 described annular apparatus for testing weeping that are used for the cylindrical metal cabin, it is characterized in that: described leakage detects basal disc and is fixed in the metal cabin on the bulkhead by fixing feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201740022U CN201302504Y (en) | 2008-10-22 | 2008-10-22 | Annular liquid leakage detection device for cylindrical metal cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201740022U CN201302504Y (en) | 2008-10-22 | 2008-10-22 | Annular liquid leakage detection device for cylindrical metal cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302504Y true CN201302504Y (en) | 2009-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201740022U Expired - Fee Related CN201302504Y (en) | 2008-10-22 | 2008-10-22 | Annular liquid leakage detection device for cylindrical metal cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302504Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034338A (en) * | 2010-11-10 | 2011-04-27 | 中国船舶重工集团公司第七一○研究所 | Annular water leakage alarm device |
| CN107884832A (en) * | 2016-09-29 | 2018-04-06 | 宝钢新日铁汽车板有限公司 | A kind of zinc pot leaks zinc detector |
| CN110243550A (en) * | 2019-06-11 | 2019-09-17 | 中国地质大学（武汉） | A kind of cavity infiltration monitoring device |
| CN110346091A (en) * | 2019-07-05 | 2019-10-18 | 中国地质大学（武汉） | A kind of high pressure semi-permeable membrane infiltration monitoring device |
-
2008
- 2008-10-22 CN CNU2008201740022U patent/CN201302504Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034338A (en) * | 2010-11-10 | 2011-04-27 | 中国船舶重工集团公司第七一○研究所 | Annular water leakage alarm device |
| CN107884832A (en) * | 2016-09-29 | 2018-04-06 | 宝钢新日铁汽车板有限公司 | A kind of zinc pot leaks zinc detector |
| CN110243550A (en) * | 2019-06-11 | 2019-09-17 | 中国地质大学（武汉） | A kind of cavity infiltration monitoring device |
| CN110346091A (en) * | 2019-07-05 | 2019-10-18 | 中国地质大学（武汉） | A kind of high pressure semi-permeable membrane infiltration monitoring device |
| CN110346091B (en) * | 2019-07-05 | 2024-05-31 | 中国地质大学（武汉） | High-pressure semipermeable membrane water seepage monitoring device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20101022 |