CN103682794A - Connecting joint device of LNG (Liquefied Natural Gas) liquid level sensor output cable and transmitter - Google Patents
Connecting joint device of LNG (Liquefied Natural Gas) liquid level sensor output cable and transmitter Download PDFInfo
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- CN103682794A CN103682794A CN201310575913.1A CN201310575913A CN103682794A CN 103682794 A CN103682794 A CN 103682794A CN 201310575913 A CN201310575913 A CN 201310575913A CN 103682794 A CN103682794 A CN 103682794A
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Abstract
The invention discloses a connecting joint device of an LNG (Liquefied Natural Gas) liquid level sensor output cable and a transmitter. The connecting joint device includes a connecting seat fixed and sealed on the transmitter; the connecting seat is filled with an insulating sealing element; a joint wire is sealed in and penetrates through the insulating sealing element; one end of the joint wire is fixed with a connector male head; a connecting end of an insulating wire is provided with a connector female head which is electrically connected with a wire of the insulating wire and can be matched with the connector male head for connecting; a connector fastening sleeve can connect a tubular fastening joint and a connecting seat together; a first insulating sleeve pipe for surrounding the connector male head is sealed on the insulating sealing element; a second insulating sleeve pipe is sealed and sleeved outside the connector female head; when the connector female head and the connector male head are connected, the first insulating sleeve pipe and the second insulating sleeve pipe are mutually sealed and connected; and the connector male head and the connector female head are enabled to be sealed with and insulated from the connecting seat and the tubular fastening joint. The invention has the advantages of the good insulating and sealing performance.
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, liquefied natural gas is stored in after LNG basin, conventionally adopt liquid level sensor to detect the liquid level in basin, then by output cable, the liquid level signal detecting is delivered to transmitter; During installation, liquid level sensor is arranged in LNG basin, then the output cable of liquid level sensor is passed to the dispensing head on basin, and the other end of sensor output cable is connected with transmitter by connecting joint device.The structure of sensor output cable is: comprise the insulated conductor that is positioned at centre and tape insulation layer, and it is outer and with the shielding flexible pipe of screen to be set in insulated conductor, two ends at shielding flexible pipe are fixed with respectively a tubulose fastening that is sleeved on outside insulated conductor and is electrically connected to screen, each tubulose fastening is near the endoporus of outer end the inner conical through hole that aperture ecto-entad reduces gradually, goes back movable sleeve and be provided with the joint adapter sleeve that tubulose fastening can be connected with dispensing head or transmitter on shielding flexible pipe.
The structure of the LNG liquid level sensor output cable using at present and the connecting joint device of transmitter is: comprise and seal the Connection Block that is fixed on transmitter and is hollow tubular, in the inner chamber of Connection Block, be filled with the insulating sealer of insulated enclosure effect, the sealing of joint wire is located in insulating sealer, the inner of insulating sealer is stretched out in the inner of joint wire, and the outer end of joint wire is fixed with connector male; In sensor output cable, the link of insulated conductor is provided with the connector female that can match with connector male and patch, connector female is electrically connected to the wire in insulated conductor, by connector female and cooperatively interacting of connector male, realize being electrically connected to of insulated conductor and joint wire, sensor output cable is by being movably set in joint adapter sleeve and the Connection Block mutual screw-threaded coupling of shielding on flexible pipe, thereby output cable is connected with transmitter.The shortcoming of this connecting joint device is: due to the temperature in LNG basin very low (greatly about subzero 162 ℃ of left and right); Make the temperature of the insulated conductor in sensor output cable also very low, cause the air in Connection Block and tubulose fastening catch a cold and condense into condensed water, the condensed water phenomenon that can make to be short-circuited between the housings such as connector male or connector female and 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 the easy chamber of formation from Connection Block and connecting end surface between joint adapter sleeve and tubulose fastening enter Connection Block and dock with tubulose fastening not only, and the easy chamber of formation from insulated conductor and end play between tubulose fastening enter Connection Block and docks with tubulose fastening, thereby greatly increased the probability being short-circuited between the housings such as connector male or connector female and Connection Block, tubulose fastening.
Summary of the invention
The object of this invention is to provide the also better connecting joint device of LNG liquid level sensor output cable and transmitter of a kind of good sealing effect, insulation property.
For achieving the above object, the present invention has adopted following technical scheme: described LNG liquid level sensor output cable and the connecting joint device of transmitter, comprise: sealing is fixed on transmitter and is the Connection Block of hollow tubular, in the inner chamber of Connection Block, be filled with the insulating sealer of insulated enclosure effect, the sealing of joint wire is located in insulating sealer, the inner of insulating sealer is stretched out in the inner of joint wire, and the outer end of joint wire is fixed with connector male, in sensor output cable, the link of insulated conductor is provided with the connector female that can match with connector male and patch, connector female is electrically connected to 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 and Connection Block on sensor output cable are docking together, on insulating sealer in Connection Block, sealing is provided with the first insulating sleeve that surrounds connector male, at connector female outer seal sleeve, be provided with and can mutually seal the second insulating sleeve patching with the first insulating sleeve, after connector female is docked with connector male, the first insulating sleeve and the second insulating sleeve just in time mutually seal and patch, make connector male and connector female simultaneously coated by the first insulating sleeve and the second insulating sleeve, thereby with Connection Block and tubulose fastening sealed insulation.
Further, the connecting joint device of aforesaid LNG liquid level sensor output cable and transmitter, wherein: at the second insulating sleeve, be arranged with sealing ring outward, after joint adapter sleeve connects tubulose fastening and Connection Block, 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 in the second insulating sleeve outside is provided with taper plug, after joint adapter sleeve connects tubulose fastening and Connection Block, 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 is sealed, and 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 consists 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 that is hollow tubular, activity is nested in the taper sheath in joint sleeve, and can be connected with joint sleeve threaded engagement and taper sheath is fastened on to the clamp nut composition in joint sleeve.
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, the locking nut locking that matches with joint adapter sleeve.
By the enforcement of technique scheme, the invention has the beneficial effects as follows: apparatus insulated good sealing effect, not only make sky G&W be difficult for entering Connection Block and dock the chamber forming with tubulose fastening, even if the air setting in the chamber that Connection Block forms with tubulose fastening docking becomes after condensed water, these condensed waters phenomenon that also can not make to be short-circuited between the housings such as connector male or connector female and Connection Block, tubulose fastening, 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 is fixed on transmitter 18 and is the Connection Block 1 of hollow tubular, in the inner chamber of Connection Block 1, be filled with the insulating sealer 4 of insulated enclosure effect, 3 sealings of joint wire are located in insulating sealer 4, the inner of insulating sealer 4 is stretched out in the inner of joint wire 3, and the outer end of joint 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 that can match and patch with connector male 5, connector female 7 is electrically connected to 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 that surrounds connector male 5, at connector female 7 outer seal sleeves, be provided with and can mutually seal the second insulating sleeve 10 patching with the first insulating sleeve 9, after connector female 7 is docked with connector male 5, the 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 coated by the first insulating sleeve 9 and the second insulating sleeve 10, thereby with the housing seal such as Connection Block 1 and tubulose fastening insulation, after Connection Block 1 docks mutually with tubulose fastening, the air in the chamber of formation is caught a cold and condenses into after condensed water like this, condensed water also can be intercepted by the first insulating sleeve 9 and the second insulating sleeve 10, the condensed water phenomenon that can not make to be short-circuited between connector male 5 or connector female 7 and Connection Block 1 and tubulose fastening like this, improved the overall security of equipment, in the present embodiment, described tubulose fastening is by the joint sleeve 14 that is 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 sealings are fastened on to clamp nut 16 compositions in joint sleeve 14, there is damage in one of them part when tubulose fastening like this, only need to change the part damaging, improved utilization rate of equipment and installations, in the present embodiment, outside the second insulating sleeve 10, be arranged with insulated enclosure circle 11, after joint adapter sleeve 8 connects the joint sleeve in tubulose fastening 14 and Connection Block 1, 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, can make like this sky G&W can not enter with the gap between joint adapter sleeve 8 and joint sleeve 14 Connection Block 1 docks formation chamber with joint sleeve 14 from Connection Block 1, reduced the probability being short-circuited between the housings such as connector male 5 or connector female 7 and Connection Block 1 and tubulose fastening, in the present embodiment, insulated conductor 6 upper sleeve gaskets in the second insulating sleeve 10 outsides are provided with taper plug 12, after joint adapter sleeve 8 connects the joint sleeve in tubulose fastening 14 and Connection Block 1, the cone segments of taper plug 12 is arranged in the inner conical through hole of taper sheath 15, end play between taper sheath 15 in insulated conductor 6 and tubulose fastening 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 the sky G&W can be from insulated conductor 6 and tubulose fastening, and insulated conductor 6 enters with the end play between the second insulating sleeve 10 Connection Block 1 docks rear formation chamber with tubulose fastening, further reduced the probability being short-circuited between the housings such as connector male 5 or connector female 7 and Connection Block 1 and tubulose fastening, in the present embodiment, described insulating sealer consists of in Connection Block 1 inner chamber epoxy resin filling, can further improve like this overall tightness and the fail safe of equipment, in the present embodiment, be also arranged with locking nut 17 on Connection Block 1, locking nut 17 locking that can match with joint adapter sleeve 8, can make 8 pairs of Connection Blocks of joint adapter sleeve 1 and tubulose fastening lock so better, has improved device security, in actual applications, the dispensing head 21 that the sensor output cable 13 that is installed on the liquid level sensor 19 in LNG basin 20 is passed on LNG basin 20, again the connector female on sensor output cable 13 other ends 7 and the connector male 5 in Connection Block 1 are patched mutually, the 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 being connected of sensor output cable 13 and transmitter 18, the present invention has advantages of that sealing effectiveness and good insulation preformance, device security performance are high.
Claims (6)
- The connecting joint device of 1.LNG liquid level sensor output cable and transmitter, comprise: sealing is fixed on transmitter and is the Connection Block of hollow tubular, in the inner chamber of Connection Block, be filled with the insulating sealer of insulated enclosure effect, the sealing of joint wire is located in insulating sealer, the inner of insulating sealer is stretched out in the inner of joint wire, and the outer end of joint wire is fixed with connector male, in sensor output cable, the link of insulated conductor is provided with the connector female that can match with connector male and patch, connector female is electrically connected to 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 and Connection Block on sensor output cable are docking together, it is characterized in that: on the insulating sealer in Connection Block, sealing is provided with the first insulating sleeve that surrounds connector male, at connector female outer seal sleeve, be provided with and can mutually seal the second insulating sleeve patching with the first insulating sleeve, after connector female is docked with connector male, the first insulating sleeve and the second insulating sleeve just in time mutually seal and patch, make connector male and connector female simultaneously coated by the first insulating sleeve and the second insulating sleeve, thereby with Connection Block and tubulose fastening sealed insulation.
- 2. the connecting joint device of LNG liquid level sensor output cable according to claim 1 and transmitter, it is characterized in that: at the second insulating sleeve, be arranged with sealing ring outward, after joint adapter sleeve connects tubulose fastening and Connection Block, sealing ring just in time, between tubulose fastening and Connection Block, seals the end clearance between tubulose fastening and Connection Block.
- 3. 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 in the second insulating sleeve outside is provided with taper plug, after joint adapter sleeve connects tubulose fastening and Connection Block, 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 is sealed, and the other end of taper plug just in time also seals the end play between insulated conductor and the second insulating sleeve.
- 4. according to the LNG liquid level sensor output cable described in claim 1 or 2 or 3 and the connecting joint device of transmitter, it is characterized in that: described insulating sealer consists of in Connection Block inner chamber epoxy resin filling.
- 5. according to the LNG liquid level sensor output cable described in claim 1 or 2 or 3 and the connecting joint device of transmitter, it is characterized in that: described tubulose fastening is by the joint sleeve that is hollow tubular, activity is nested in the taper sheath in joint sleeve, and can be connected with joint sleeve threaded engagement and taper sheath is fastened on to the clamp nut composition in joint sleeve.
- 6. according to the LNG liquid level sensor output cable described in claim 1 or 2 or 3 and the connecting joint device of transmitter, it is characterized in that: on Connection Block, be also provided with locking nut, the locking nut locking that matches with joint adapter sleeve.
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 |
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| CN103682794A true CN103682794A (en) | 2014-03-26 |
| CN103682794B CN103682794B (en) | 2016-04-13 |
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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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103925423A (en) * | 2014-04-17 | 2014-07-16 | 苏州赛智达智能科技有限公司 | Wire guide-out sealing joint for low temperature |
| 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 |
| 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 |
| CN106207600A (en) * | 2016-08-29 | 2016-12-07 | 武汉船用机械有限责任公司 | A kind of ceramic seal electrical connector |
| CN109899680A (en) * | 2019-02-22 | 2019-06-18 | 太平洋海洋工程（舟山）有限公司 | A kind of cable penetrating sealing device for FSRU |
| CN112652442A (en) * | 2020-12-18 | 2021-04-13 | 宁波健信核磁技术有限公司 | Joint waterproof construction |
| CN114597696A (en) * | 2020-12-03 | 2022-06-07 | 北京航天试验技术研究所 | Sealed electric connector and liquid level meter |
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| CN102195200A (en) * | 2010-03-02 | 2011-09-21 | 立宇盛工业股份有限公司 | Shockproof and moistureproof 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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Patent Citations (4)
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| CN102195200A (en) * | 2010-03-02 | 2011-09-21 | 立宇盛工业股份有限公司 | Shockproof and moistureproof 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 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925423A (en) * | 2014-04-17 | 2014-07-16 | 苏州赛智达智能科技有限公司 | Wire guide-out sealing joint for low temperature |
| 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 |
| CN106207600A (en) * | 2016-08-29 | 2016-12-07 | 武汉船用机械有限责任公司 | A kind of ceramic seal electrical connector |
| CN109899680A (en) * | 2019-02-22 | 2019-06-18 | 太平洋海洋工程（舟山）有限公司 | A kind of cable penetrating sealing device for FSRU |
| CN114597696A (en) * | 2020-12-03 | 2022-06-07 | 北京航天试验技术研究所 | Sealed electric connector and liquid level meter |
| 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 |
| CN112652442A (en) * | 2020-12-18 | 2021-04-13 | 宁波健信核磁技术有限公司 | Joint waterproof construction |
| 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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| CN103682794B (en) | 2016-04-13 |
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