CN103682794B - The connecting joint device of LNG liquid level sensor output cable and transmitter - Google Patents
The connecting joint device of LNG liquid level sensor output cable and transmitter Download PDFInfo
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- CN103682794B CN103682794B CN201310575913.1A CN201310575913A CN103682794B CN 103682794 B CN103682794 B CN 103682794B CN 201310575913 A CN201310575913 A CN 201310575913A CN 103682794 B CN103682794 B CN 103682794B
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- output cable
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Abstract
The invention discloses the connecting joint device of LNG liquid level sensor output cable and transmitter, comprise the Connection Block sealing and be fixed on transmitter, be filled with insulating sealer in Connection Block, lug wire sealing is located in insulating sealer, and lug wire one end is fixed with connector male, the link of insulated conductor is provided with and is electrically connected with the wire in insulated conductor, and the connector female patched that can match with connector male, tubulose fastening and Connection Block can be docking together by joint adapter sleeve, on insulating sealer in Connection Block, sealing is provided with the first insulating sleeve surrounding connector male, the second insulating sleeve is provided with at connector female outer seal sleeve, after connector female is docked with connector male, first insulating sleeve and the second insulating sleeve just in time mutually seal and patch, make connector male and connector female simultaneously with Connection Block and tubulose fastening sealed insulation.The present invention has the effective advantage of insulated enclosure.
Description
Technical field
The present invention relates to the connecting joint device of LNG liquid level sensor output cable and transmitter.
Background technology
LNG is the abbreviation of liquefied natural gas.In liquefied natural gas application, after liquefied natural gas being stored in LNG basin, employing liquid level sensor detects the liquid level in basin usually, then by output cable, the liquid level signal detected is delivered to transmitter; During installation, liquid level sensor is arranged in LNG basin, then by the output cable of liquid level sensor through the dispensing head on basin, the other end of sensor output cable is connected with transmitter by connecting joint device.The structure of sensor output cable is: comprise and be positioned at centre and the insulated conductor of tape insulation layer, and it is outer and with the shielding flexible pipe of screen to be set in insulated conductor, be fixed with one at the two ends of shielding flexible pipe respectively and be sleeved on the outer and tubulose fastening be electrically connected with screen of insulated conductor, the endoporus of each tubulose fastening near outer end is the inner conical through hole that aperture ecto-entad reduces gradually, movable sleeve is gone back by shielding flexible pipe and is provided with the joint adapter sleeve that tubulose fastening can be connected with dispensing head or transmitter.
The structure of the LNG liquid level sensor output cable used at present and the connecting joint device of transmitter is: comprise sealing and to be fixed on transmitter and Connection Block in hollow tubular, the insulating sealer of insulated enclosure effect has been filled with in the inner chamber of Connection Block, lug wire sealing is located in insulating sealer, the inner of insulating sealer is stretched out in the inner of lug wire, and the outer end of lug wire is fixed with connector male; In sensor output cable, the link of insulated conductor is provided with the connector female patched that can match with connector male, connector female is electrically connected with the wire in insulated conductor, the electrical connection of insulated conductor and lug wire is realized by connector female and cooperatively interacting of connector male, output cable, by being movably set in joint adapter sleeve on shielding flexible pipe and the mutual screw-threaded coupling of Connection Block, thus to be connected with transmitter by sensor output cable.The shortcoming of this connecting joint device is: due to the temperature in LNG basin very low (greatly about subzero about 162 DEG C); Make the temperature of the insulated conductor in sensor output cable also very low, the air in Connection Block and tubulose fastening is caused to catch a cold and condense into condensed water, condensed water can make connector male or the phenomenon that is short-circuited between connector female and the housing such as Connection Block and tubulose fastening, causes integral device safety and reliability poor; And the sealing effectiveness of above-mentioned this connecting joint device is poor, air is not only easy enters the chamber formed after Connection Block docks with tubulose fastening from Connection Block and the connecting end surface between joint adapter sleeve and tubulose fastening, and easily enter the chamber formed after Connection Block docks with tubulose fastening from the end play between insulated conductor with tubulose fastening, thus the probability considerably increasing connector male or be short-circuited between connector female and the housing such as Connection Block, tubulose fastening.
Summary of the invention
The object of this invention is to provide the connecting joint device of a kind of good sealing effect, insulation property also better LNG liquid level sensor output cable and transmitter.
For achieving the above object, present invention employs following technical scheme: described LNG liquid level sensor output cable and the connecting joint device of transmitter, comprise: sealing to be fixed on transmitter and Connection Block in hollow tubular, the insulating sealer of insulated enclosure effect has been filled with in the inner chamber of Connection Block, lug wire sealing is located in insulating sealer, the inner of insulating sealer is stretched out in the inner of lug wire, and the outer end of lug wire is fixed with connector male, in sensor output cable, the link of insulated conductor is provided with the connector female patched that can match with connector male, connector female is electrically connected with the wire in insulated conductor, after connector female is docked with connector male, joint adapter sleeve on sensor output cable can be threaded with Connection Block, tubulose fastening on sensor output cable and Connection Block are docking together, on insulating sealer in Connection Block, sealing is provided with the first insulating sleeve surrounding connector male, be provided with can mutually seal with the first insulating sleeve the second insulating sleeve patched at connector female outer seal sleeve, after connector female is docked with connector male, first insulating sleeve and the second insulating sleeve just in time mutually seal and patch, make connector male and connector female simultaneously by the first insulating sleeve and the second insulating sleeve coated, thus with Connection Block and tubulose fastening sealed insulation.
Further, the connecting joint device of aforesaid LNG liquid level sensor output cable and transmitter, wherein: outside the second insulating sleeve, be arranged with sealing ring, after tubulose fastening and Connection Block connect by joint adapter sleeve, sealing ring, just in time between tubulose fastening and Connection Block, seals the end clearance between tubulose fastening and Connection Block.
Further, the connecting joint device of aforesaid LNG liquid level sensor output cable and transmitter, wherein: the insulated conductor upper sleeve gasket outside the second insulating sleeve is provided with taper plug, after tubulose fastening and Connection Block connect by joint adapter sleeve, the cone segments of taper plug is arranged in the inner conical through hole of tubulose fastening, end play between insulated conductor and tubulose fastening sealed, the other end of taper plug just in time also seals the end play between insulated conductor and the second insulating sleeve.
Further, the connecting joint device of aforesaid LNG liquid level sensor output cable and transmitter, wherein: described insulating sealer is made up of in Connection Block inner chamber epoxy resin filling.
Further, the connecting joint device of aforesaid LNG liquid level sensor output cable and transmitter, wherein: described tubulose fastening is by the joint sleeve in hollow tubular, activity is nested in the taper sheath in joint sleeve, and can be connected with joint sleeve threaded engagement and the clamp nut be fastened on by taper sheath in joint sleeve forms.
Further, the connecting joint device of aforesaid LNG liquid level sensor output cable and transmitter, wherein: on Connection Block, be also provided with locking nut, locking nut matches with joint adapter sleeve and locks.
By the enforcement of technique scheme, the invention has the beneficial effects as follows: apparatus insulated good sealing effect, not only make air and water not easily enter Connection Block and dock with tubulose fastening the chamber formed, even if after Connection Block becomes condensed water with the tubulose fastening air setting docked in the chamber formed, these condensed waters also can not make connector male or the phenomenon that is short-circuited between connector female and the housing such as Connection Block, tubulose fastening, and the safety and reliability of integral device is higher.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the connecting joint device of LNG liquid level sensor output cable of the present invention and transmitter.
Fig. 2 is the structural representation after the connecting joint device assembling shown in Fig. 1.
Fig. 3 is the structural representation of the Connection Block shown in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, Figure 2, Figure 3 shows, described LNG liquid level sensor output cable and the connecting joint device of transmitter, comprise: sealing to be fixed on transmitter 18 and Connection Block 1 in hollow tubular, the insulating sealer 4 of insulated enclosure effect has been filled with in the inner chamber of Connection Block 1, lug wire 3 sealing is located in insulating sealer 4, the inner of insulating sealer 4 is stretched out in the inner of lug wire 3, and the outer end of lug wire 3 is fixed with connector male 5, in sensor output cable 13, the link of insulated conductor 6 is provided with the connector female 7 patched that can match with connector male 5, connector female 7 is electrically connected with the wire in insulated conductor 6, after connector female 7 is docked with connector male 5, joint adapter sleeve 8 on sensor output cable 13 can be threaded with Connection Block 1, tubulose fastening on sensor output cable 13 and Connection Block 1 are docking together, on insulating sealer 4 in Connection Block 1, sealing is provided with the first insulating sleeve 9 surrounding connector male 5, be provided with can mutually seal with the first insulating sleeve 9 the second insulating sleeve 10 patched at connector female 7 outer seal sleeve, after connector female 7 is docked with connector male 5, first insulating sleeve 9 and the second insulating sleeve 10 just in time mutually seal and patch, make connector male 5 and connector female 7 simultaneously by the first insulating sleeve 9 and the second insulating sleeve 10 coated, thus insulate with housing seals such as Connection Block 1 and tubulose fastenings, after air like this in the chamber of formation after Connection Block 1 docks mutually with tubulose fastening is caught a cold and is condensed into condensed water, condensed water also can by the first insulating sleeve 9 and the second insulating sleeve 10 intercept, such condensed water can not make connector male 5 or connector female 7 and the phenomenon that is short-circuited between Connection Block 1 and tubulose fastening, improve the overall security of equipment, in the present embodiment, described tubulose fastening is by the joint sleeve 14 in hollow tubular, activity is nested in the taper sheath 15 in joint sleeve 14, and can be connected with joint sleeve 14 threaded engagement and taper sheath 15 is sealed the clamp nut 16 be fastened in joint sleeve 14 and form, like this when one of them part of tubulose fastening there occurs damage, only need change the part of damage, improve utilization rate of equipment and installations, in the present embodiment, insulated enclosure circle 11 is arranged with outside the second insulating sleeve 10, after the joint sleeve 14 in tubulose fastening connects with Connection Block 1 by joint adapter sleeve 8, insulated enclosure circle 11 is just in time between joint sleeve 14 and Connection Block 1, end clearance between joint sleeve 14 and Connection Block 1 is sealed, air and water can be made can not to enter Connection Block 1 from Connection Block 1 with the gap between joint adapter sleeve 8 and joint sleeve 14 dock with joint sleeve 14 chamber formed like this, the probability reducing connector male 5 or be short-circuited between connector female 7 and the housing such as Connection Block 1 and tubulose fastening, in the present embodiment, insulated conductor 6 upper sleeve gasket outside the second insulating sleeve 10 is provided with taper plug 12, after the joint sleeve 14 in tubulose fastening connects with Connection Block 1 by joint adapter sleeve 8, the cone segments of taper plug 12 is arranged in the inner conical through hole of taper sheath 15, end play in insulated conductor 6 and tubulose fastening between taper sheath 15 is sealed, the other end of taper plug 12 just in time also seals the end play between insulated conductor 6 and the second insulating sleeve 10, make air and water can not from insulated conductor 6 and tubulose fastening, and the end play between insulated conductor 6 with the second insulating sleeve 10 enters the chamber formed after Connection Block 1 docks with tubulose fastening, the probability further reducing connector male 5 or be short-circuited between connector female 7 and the housing such as Connection Block 1 and tubulose fastening, in the present embodiment, described insulating sealer is made up of in Connection Block 1 inner chamber epoxy resin filling, can improve overall tightness and the fail safe of equipment so further, in the present embodiment, Connection Block 1 is also arranged with locking nut 17, locking nut 17 can match with joint adapter sleeve 8 and lock, and joint adapter sleeve 8 pairs of Connection Blocks 1 and tubulose fastening can be made so better to lock, improve device security, in actual applications, the sensor output cable 13 of the liquid level sensor 19 be installed in LNG basin 20 is passed the dispensing head 21 on LNG basin 20, again the connector female 7 on sensor output cable 13 other end is patched mutually with the connector male 5 in Connection Block 1, first insulating sleeve 9 and the second insulating sleeve 10 are patched mutually simultaneously, then joint adapter sleeve 8 is tightly connected on Connection Block 1, finally tighten locking nut 17, complete the connection of sensor output cable 13 and transmitter 18, the present invention has sealing effectiveness and good insulation preformance, advantage that device security performance is high.
Claims (5)
- The connecting joint device of 1.LNG liquid level sensor output cable and transmitter, comprise: sealing to be fixed on transmitter and Connection Block in hollow tubular, the insulating sealer of insulated enclosure effect has been filled with in the inner chamber of Connection Block, lug wire sealing is located in insulating sealer, the inner of insulating sealer is stretched out in the inner of lug wire, and the outer end of lug wire is fixed with connector male, in sensor output cable, the link of insulated conductor is provided with the connector female patched that can match with connector male, connector female is electrically connected with the wire in insulated conductor, after connector female is docked with connector male, joint adapter sleeve on sensor output cable can be threaded with Connection Block, tubulose fastening on sensor output cable and Connection Block are docking together, it is characterized in that: on the insulating sealer in Connection Block, sealing is provided with the first insulating sleeve surrounding connector male, be provided with can mutually seal with the first insulating sleeve the second insulating sleeve patched at connector female outer seal sleeve, after connector female is docked with connector male, first insulating sleeve and the second insulating sleeve just in time mutually seal and patch, make connector male and connector female simultaneously by the first insulating sleeve and the second insulating sleeve coated, thus with Connection Block and tubulose fastening sealed insulation, sealing ring is arranged with outside the second insulating sleeve, after tubulose fastening and Connection Block connect by joint adapter sleeve, sealing ring is just in time between tubulose fastening and Connection Block, end clearance between tubulose fastening and Connection Block is sealed.
- 2. the connecting joint device of LNG liquid level sensor output cable according to claim 1 and transmitter, it is characterized in that: the insulated conductor upper sleeve gasket outside the second insulating sleeve is provided with taper plug, after tubulose fastening and Connection Block connect by joint adapter sleeve, the cone segments of taper plug is arranged in the inner conical through hole of tubulose fastening, end play between insulated conductor and tubulose fastening sealed, the other end of taper plug just in time also seals the end play between insulated conductor and the second insulating sleeve.
- 3. the connecting joint device of LNG liquid level sensor output cable according to claim 1 and 2 and transmitter, is characterized in that: described insulating sealer is made up of in Connection Block inner chamber epoxy resin filling.
- 4. the connecting joint device of LNG liquid level sensor output cable according to claim 1 and 2 and transmitter, it is characterized in that: described tubulose fastening is by the joint sleeve in hollow tubular, activity is nested in the taper sheath in joint sleeve, and can be connected with joint sleeve threaded engagement and the clamp nut be fastened on by taper sheath in joint sleeve forms.
- 5. the connecting joint device of LNG liquid level sensor output cable according to claim 1 and 2 and transmitter, is characterized in that: on Connection Block, be also provided with locking nut, and locking nut matches with joint adapter sleeve and locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575913.1A CN103682794B (en) | 2013-11-18 | 2013-11-18 | The connecting joint device of LNG liquid level sensor output cable and transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575913.1A CN103682794B (en) | 2013-11-18 | 2013-11-18 | The connecting joint device of LNG liquid level sensor output cable and transmitter |
Publications (2)
| Publication Number | Publication Date |
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| CN103682794A CN103682794A (en) | 2014-03-26 |
| CN103682794B true CN103682794B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310575913.1A Active CN103682794B (en) | 2013-11-18 | 2013-11-18 | The connecting joint device of LNG liquid level sensor output cable and transmitter |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925423B (en) * | 2014-04-17 | 2016-03-02 | 苏州赛智达智能科技有限公司 | SEALING FITTING drawn by a kind of wire for low temperature |
| CN105277254A (en) * | 2014-07-24 | 2016-01-27 | 上海日立电器有限公司 | Combined assembly structure and combined assembly method of capacitance-type oil level sensor |
| CN104991101A (en) * | 2015-06-24 | 2015-10-21 | 苏州市新瑞奇节电科技有限公司 | Intelligent electric meter with built-in data transmission terminal power supply |
| CN106207600B (en) * | 2016-08-29 | 2018-08-28 | 武汉船用机械有限责任公司 | A kind of ceramic seal electrical connector |
| CN108390215A (en) * | 2017-12-30 | 2018-08-10 | 珠海市业成轨道交通设备科技有限公司 | A kind of curved formula circular shield connector of high speed motor car |
| CN109899680B (en) * | 2019-02-22 | 2021-02-19 | 太平洋海洋工程（舟山）有限公司 | Cable cabin penetrating sealing device for FSRU |
| CN114597696B (en) * | 2020-12-03 | 2024-01-12 | 北京航天试验技术研究所 | Sealed electric connector and liquid level meter |
| CN112652442B (en) * | 2020-12-18 | 2022-05-03 | 宁波健信核磁技术有限公司 | Joint waterproof construction |
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|---|---|---|---|---|
| CN201725966U (en) * | 2010-07-05 | 2011-01-26 | 深圳市联益电子有限公司 | Waterproof connector |
| CN102195200A (en) * | 2010-03-02 | 2011-09-21 | 立宇盛工业股份有限公司 | Anti-shock and moisture-proof joint composition |
| DE102010032313A1 (en) * | 2010-07-27 | 2012-02-02 | Volkswagen Ag | Housing for receiving plug, and for use in plug-contact connection, has pin-shaped electrode inserted through arbitrary point of opening at insertion angle relative to surface of opening |
| CN203574167U (en) * | 2013-11-18 | 2014-04-30 | 苏州赛智达智能科技有限公司 | Connection joint device for LNG liquid level sensor output cable and transmitter |
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2013
- 2013-11-18 CN CN201310575913.1A patent/CN103682794B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195200A (en) * | 2010-03-02 | 2011-09-21 | 立宇盛工业股份有限公司 | Anti-shock and moisture-proof joint composition |
| CN201725966U (en) * | 2010-07-05 | 2011-01-26 | 深圳市联益电子有限公司 | Waterproof connector |
| DE102010032313A1 (en) * | 2010-07-27 | 2012-02-02 | Volkswagen Ag | Housing for receiving plug, and for use in plug-contact connection, has pin-shaped electrode inserted through arbitrary point of opening at insertion angle relative to surface of opening |
| CN203574167U (en) * | 2013-11-18 | 2014-04-30 | 苏州赛智达智能科技有限公司 | Connection joint device for LNG liquid level sensor output cable and transmitter |
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| CN103682794A (en) | 2014-03-26 |
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