CN105137025A - LNG multi-function measurement apparatus - Google Patents
LNG multi-function measurement apparatus Download PDFInfo
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- CN105137025A CN105137025A CN201510476530.8A CN201510476530A CN105137025A CN 105137025 A CN105137025 A CN 105137025A CN 201510476530 A CN201510476530 A CN 201510476530A CN 105137025 A CN105137025 A CN 105137025A
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- differential pressure
- cavity
- main body
- pressure transmitter
- lng
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Abstract
The invention relates to a LNG multi-function measurement apparatus, which comprises a main body housing, a rigid frame, a camera, a combustible gas sensor, a differential pressure sensor cavity, a differential pressure sensor, a differential pressure transmitter cavity, a differential pressure transmitter, a pressure sensor cavity, a pressure sensor and a pressure transmitter, wherein a storage battery pack, a control circuit board, a display screen and a wireless transmission unit are arranged inside the main body housing, the differential pressure transmitter is arranged inside the differential pressure transmitter cavity, the differential pressure transmitter cavity is fixed on the outer portion of the main body housing, the other end is connected with the differential pressure sensor cavity, the differential pressure sensor cavity and the differential pressure transmitter cavity form a T shape, the differential pressure transmitter cavity is parallel to the main body housing, the differential pressure sensor is arranged inside the differential pressure sensor cavity, both ends of the differential pressure sensor cavity respectively lead out a conduct pipe to connect into a LNG tank, one end is connected with the bottom end of the LNG tank so as to guide a LNG liquid phase to the differential pressure transmitter cavity, the other end is arranged on the top portion of the LNG tank so as to guide a LNG gas phase to the pressure sensor cavity, and the differential pressure sensor cavity is connected with the pressure transmitter cavity.
Description
Technical field
The present invention relates to fields of measurement, particularly relate to a kind of LNG multifunction measuring set.
Background technology
In recent years, along with the fast development of clean energy resource, LNG(liquefied natural gas (LNG)) be more and more widely used, because it has low temperature feature, there is higher requirement to canned body, valve body, slightly quality flaw, the generation of leakage accident will be caused, if realize not in time, will serious accident be there is, bring heavy losses to people's lives and properties.
Existing LNG measures and relies on a certain unit mode to monitor, and the result not science of its monitoring is inaccurate, can not reflect the truth of LNG tank body comprehensively, not have due monitoring function.
Summary of the invention
The object of this invention is to provide a kind of LNG multifunction measuring set, the measurement result made is more comprehensively true, and user can be round-the-clock without Distance query result.
In order to solve the problems of the technologies described above, the present invention adopts technical scheme:
A kind of LNG liquid level emasuring device, comprises main body cover, rigid rack body, camera, combustible gas sensor, differential pressure pick-up cavity, differential pressure pick-up, differential pressure transmitter cavity, differential pressure transmitter, pressure sensor cavity, pressure transducer, pressure unit; Battery pack, control circuit board, display screen and wireless transmission unit is provided with in described main body cover; Described differential pressure transmitter cavity, built-in differential pressure transmitter, be fixed on described main body cover outside, the other end is connected with described differential pressure pick-up cavity, and described differential pressure pick-up cavity becomes with described differential pressure transmitter cavity
ttype, described differential pressure transmitter cavity becomes parallel position with described main body cover, described differential pressure pick-up cavity, middle built-in differential pressure pick-up, two ends respectively guiding tube connect in LNG tank, and one end connects LNG tank bottom, draw LNG liquid phase to differential pressure transmitter cavity, the other end installs LNG tank top, draws LNG gas phase to pressure sensor cavity, is connected simultaneously by three-way pipe with pressure unit cavity; Described control circuit board comprises power-supply controller of electric, metering circuit, microprocessor, and described power controller controls is powered to metering circuit by photovoltaic module plate or powered to metering circuit by accumulator; Described display screen is used for the digitised values that display measurement gained signal is crossed through microprocessor processes, and main body cover is provided with the perspective portion for having an X-rayed display screen display; Described wireless transport module comprises at least one in the wireless transport module such as infrared ray, bluetooth, WEIFI, NFC, GSM, GPRS, UWB, 3G, 4G, 5G.
Preferably, described camera is Zoom camera, built-in high brightness infrared lamp, peripheral hardware glass mirror, and described eyeglass is outward with nano-adelomorphic rain brush.
Preferably, the integrated movement of described camera, visual range more than 80 meters, when luminous ray is not enough, opens infrared illumination automatically.
Preferably, described camera is carried out image transmitting by described subject radio transport module or is transmitted by built-in wireless network transmission module.
Preferably, described built-in wireless transport module adopts stream media protocol and high power compression transmission.
Preferably, described combustible gas sensor adopts infrared ray combustible gas sensor.
Preferably, described differential pressure pick-up cavity is that low temperature resistant carbon steel material is formed, and the stainless steel all-welded structure that positive and negative cavity pressure interface is internal thread is formed, and is arranged on measuring channel or by pressure guiding pipe connects by internal thread pressure interface.
Preferably, described differential pressure pick-up, is built in differential pressure pick-up cavity, comprises stainless steel isolation diaphragm, differential pressure pick-up core body being connected with differential pressure transmitter with cable.
Preferably, described differential pressure transmitter cavity is that low temperature resistant carbon steel material is formed, and the stainless steel all-welded structure being internal thread with main body cover interface is formed, and fixes with set nut and main body cover.
Preferably, described pressure transducer, is built in pressure sensor cavity, comprises pressure sensor core, pressure unit, and the two connects with circuit, will record pressure signal simultaneously and convert 4 ~ 20mA standard signal to, and flow to microprocessor with cable.
Preferably, described rigid rack body is made up of angle-style portion and bottom surface sections, and Open Side Down in described angle-style portion, and its one side is vertical connects described bottom surface sections, described main body cover is fixed in described bottom surface sections, and its another side is used for fixing described photovoltaic module plate and the side be positioned at away from described main body cover.
Preferably, described angle-style portion is provided with perforate, and described power lead connects accumulator and the control circuit board of described photovoltaic module plate and main body cover inside through described perforate.
Preferably, described main body cover is rectangular parallelepiped or cube, and described perspective portion is located at the surface of main body cover away from described bottom surface sections and is clamped by groove bayonet socket and main body cover and seal, and corner bayonet socket stud is fixed.
Alternatively, described main body cover is pentagonal prism body, and its first side is used for photovoltaic module plate described in fixed placement; The second side that itself and described first side are separated by is the bottom surface for being positioned over plane; The 3rd side that itself and described first side are separated by is for being connected described transmitter cavity; Described second side and the 3rd side are not ipsilateral; It is alternate establishes perspective portion on the 4th side of described first side and the 3rd side.
Preferably, described accumulator is connected by pluggable connector with between photovoltaic module plate and control circuit board.
Photovoltaic module plate and accumulator are set; sun power is converted to electric energy for metering circuit by photovoltaic module plate and power supply is provided; store electric energy in accumulator simultaneously; use accumulator to power when photovoltaic module plate does not receive sun power; power-on time is lasting; and clean energy; movability is strong; main body cover is by all fenced to accumulator, metering circuit, display screen; and perspective portion is set in the display area of display screen; by the display on perspective portion visual display, good protective effect can be played.
After adopting technique scheme, the present invention compared with prior art has following outstanding advantages: the present invention can avoid pressure transducer to cause data distortion because range is long effectively, the technique in tank interior sensor installation complexity can be avoided, save cable consumptive material, greatly save safety cost; Main, when sensor is damaged, can be conveniently replaced, avoid causing whole LNG tank to be scrapped because of sensor degradation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of LNG liquid level emasuring device of the embodiment of the present invention.
Fig. 2 is the pressure sensor cavity structural representation of the embodiment of the present invention.
Fig. 3 is differential pressure pick-up cavity, the transmitter cavity body structure schematic diagram of the embodiment of the present invention.
Fig. 4 is the main body cover inner structure schematic diagram of the embodiment of the present invention.
Fig. 5 is the camera structure schematic diagram of the embodiment of the present invention.
1 main body cover, 2 base plates, 3 photovoltaic module plates, 4 gussets, 5 power leads, 6 cables, 7 pressure signal lines, 8 pressure sensor cavity, 9 set nuts, 10 three-way pipes, 11 water joints, 12, low pressure skirt interface, 13, differential pressure pick-up cavity, 14 differential pressure transmitter cavitys, 15 display screens, 16 high pressure skirt interfaces; 17 camera cables, 18 cameras, 101 control circuit boards, 102 accumulators, 103 display screens, 104 perspective planes; 801 pressure transducer bodies, 802 cavity lids, 803 pressure sensor cores, 804 studs, 805 terminal heads, 806 pressure units, 807 studs, 808 thin nuts, 809 external screw joints, 810 pressure tube chambers; , 131 differential pressure tube chambers, 132 differential pressure core bodys, 133 differential pressure signal cables; 141 set nuts, 142O type circle, 143 differential pressure transmitter core bodys, 181 nano-adelomorphic rain brush, 182 glass mirror, 183 infrared ray combustible gas sensors, 184 wireless transport modules, 185 camera cables, 186 infrared lamps.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, and therefore the present invention is by the restriction of following public concrete enforcement and concrete accompanying drawing.
Embodiment one
As shown in Figure 1, a kind of LNG liquid level emasuring device, comprise the main body cover 1 of accommodating microprocessor, there is the pressure sensor cavity 13 of both positive and negative polarity pressure interface, absorb sun power and be converted into the photovoltaic module plate 3 of electric energy, and rigid rack body 2, main body cover 1 is fixed on rigid rack body 2, it is outside that described photovoltaic module plate 3 is fixed on described main body cover 1 by rigid rack body 2, and it is inner to be connected to described main body cover 1 by power lead 5, described transmitter cavity 14 is fixed on described main body cover 1 outside and is connected to main body cover 1 inside by the second differential pressure cable 106, main body cover 1 is provided with the perspective portion 105 for display screen display, for can pass through the signal on main body cover 1 reading displayed screen 104, described perspective portion is formed as lid and can be opened, thus the parts that can take out in main body cover 1.
Continue to see Fig. 1, main body cover 1 is fixed on base plate 2, connects photovoltaic module plate 3 by power lead 5, and described photovoltaic module plate 3 is fixed on gusset 4, and the sun power absorbed is changed into electric energy, and to be transported to accumulator by described power lead 5 for subsequent use; Low pressure skirt (not shown) connecting tee pipe 10 is drawn from tank inner top (not shown), described three-way pipe 10 one end connects differential pressure pick-up cavity 13, other end Bonding pressure transmitter cavity 8, and locked by set nut 9 and be fixed on pressure sensor cavity 8, the stainless steel all-welded structure that described skirt interface is internal thread is formed.
Embodiment two
Continue referring to Fig. 1, described rigid rack body is made up of the bottom surface sections 2 in angle-style portion 4 and stationary body shell 1 for supporting photovoltaic module plate 3, described main body cover 1 is fixed in described bottom surface sections 2, Open Side Down in described angle-style portion 4 (plane towards arranging device), angle-style portion 4 comprises the two sides of opening, the wherein vertical edge connecting described bottom surface sections 2 of one side, another side is used for fixing described photovoltaic module plate 3 and the side be positioned at away from described main body cover 1, photovoltaic module plate 3 after fixing favours arrangement plane, inclined degree is determined by the angle in angle-style portion 4, the angular range in described angle-style portion 4 is selected between 30 to 150 degree, such as, when the angle in angle-style portion 4 is 45 degree, photovoltaic module plate 3 also can be 45 degree in settling the angle of plane, solar radiation can be received well, absorb sun power, the conversion ratio of the energy is high.
Described angle-style portion 4 is provided with the perforate for threading, the accumulator of described photovoltaic module plate 3 and main body cover 1 inside and control circuit board 101 couple together through described perforate by described power lead 4, reduce coiling, angle-style portion 4 in Fig. 1 is linked together by spiro connecting piece by support plate and angle-style frame, in one embodiment, angle-style portion 4 is integrated part, further, angle-style portion 4 and bottom surface sections 2 one-body molded.
Embodiment three
Continue to see Fig. 2, pressure sensor cavity 8, pressure sensor cavity 801 is connected with three-way pipe 10 one end internal thread interface by external screw joint 809, measured medium introduces pressure tube chamber 810 by three-way pipe 10 one end, pressure signal will be recorded by pressure sensor core 803 and be sent to pressure unit 806, described pressure unit 806 is fixed by stud 804 and studs 807, described studs 807 is connected and fixing cable 811 by thin nut 808, described cable 811 other end is connected with terminal head 805, the other end of described terminal head 805 is connected with signal wire 7, described signal wire 7 is connected with control circuit board by water joint 11, complete the transmission to pressure signal.
Continue to see Fig. 3, described three-way pipe one end low pressure skirt interface 12 is connected with differential pressure pick-up cavity 13, described differential pressure pick-up cavity 13 other end is threaded with high pressure skirt (not shown) by high pressure skirt interface 16, described high pressure skirt interface 16 is internal thread, high pressure skirt is external thread (not shown), high-low pressure medium is respectively by high pressure skirt interface 16, low pressure skirt interface 12 enters differential pressure tube chamber 131, high-pressure medium promotes sensor membrane (not shown) to low pressure end displacement, its displacement is directly proportional to both sides differential pressure, displacement is recorded by the capacitor plate of sensor both sides, the linear signal proportional with tested differential pressure is converted to by sensor core 132, differential pressure transmitter core body 143 is transported to through differential pressure signal cable 133, described differential pressure transmitter core body 143 is connected with control circuit board by cable, complete the transmission of differential pressure signal.
Embodiment four
Accumulator 102, control circuit board 101, the display screen 103 as redundant electrical power is provided with in main body cover 1; Photovoltaic module plate 3 is connected to described accumulator 102 and control circuit board 101 by power lead 5, and photovoltaic module plate 3 can to charge in batteries and to control circuit board 101 when generating electricity; ; Described control circuit board 101 comprises power-supply controller of electric, metering circuit and microprocessor (not shown), and power controller controls is powered to metering circuit by photovoltaic module plate 3 when photovoltaic module plate 3 generates electricity, powered to metering circuit by accumulator 102 when photovoltaic module plate 3 does not generate electricity; The measuring-signal of described display screen 103 for obtaining handled by display measurement circuit, display location is inner in main body cover 1, visual through main body cover 1, can protect display screen, extend its serviceable life.
In above-mentioned figure, described main body cover 1 is cube, but not as restriction, also can be such as rectangular parallelepiped, perspective portion 104 be located at main body cover 1 upper surface as cover piece, namely away from the surface of described bottom surface sections 2.
Embodiment five
Camera 18 built-in infrared line lamp 186, external glass mirror 182, glass mirror 182 is outer with nano-adelomorphic rain brush 181
Infrared ray combustible gas sensor 183 is provided with inside camera 18 glass mirror, the signal of camera collection signal and sensor collection is transferred to the process of Dominating paths electroplax 101 microprocessor (not shown) by camera cable 185, or is sent to the webserver by wireless transport module 184.
Although the present invention with preferred embodiment openly as above; but it is not for limiting claim; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (9)
1. a LNG multifunction measuring set, comprises main body cover, rigid rack body, camera, combustible gas sensor, differential pressure pick-up cavity, differential pressure pick-up, differential pressure transmitter cavity, differential pressure transmitter, pressure sensor cavity, pressure transducer, pressure unit; Battery pack, control circuit board, display screen and network protocol module is provided with in described main body cover;
Described camera is by cable connection control road electroplax and warning device
Described differential pressure transmitter cavity, built-in differential pressure transmitter, be fixed on described main body cover outside, the other end is connected with described differential pressure pick-up cavity, and described differential pressure pick-up cavity becomes with described differential pressure transmitter cavity
ttype, described differential pressure transmitter cavity becomes parallel position with described main body cover,
Described differential pressure pick-up cavity, middle built-in differential pressure pick-up, two ends respectively guiding tube connect in LNG tank, one end connects LNG tank bottom, draw LNG liquid phase to differential pressure transmitter cavity, the other end installs LNG tank top, draws LNG gas phase to pressure sensor cavity, is connected simultaneously by three-way pipe with pressure unit cavity
Described display screen is used for the digitised values that display measurement gained signal is crossed through microprocessor processes, and main body cover is provided with the perspective portion for having an X-rayed display screen display.
2. camera is Zoom camera as claimed in claim 1, built-in high brightness infrared lamp, peripheral hardware glass mirror.
3. the integrated movement of camera as claimed in claim 1, visual range more than 80 meters.
4. camera, when luminous ray is not enough, opens infrared illumination automatically as claimed in claim 1.
5. camera adopts H.264 screen compress technique as claimed in claim 1.
6. combustible gas sensor adopts infrared ray combustible gas sensor as claimed in claim 1.
7. eyeglass has nano-adelomorphic rain brush outward as claimed in claim 1.
8. network protocol module comprises HTTP, TCP, ARP, RTSP, RTP, UDP, RTCP, SMTP, FTP, DHCP, DNS, DDNS, PPPOE, IPV4/V6, SNMP, QOS, UPNP and NTP etc. as claimed in claim 1.
9. described network protocol module adopts digital watermarking encryption as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476530.8A CN105137025B (en) | 2015-08-06 | 2015-08-06 | Multifunctional LNG measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476530.8A CN105137025B (en) | 2015-08-06 | 2015-08-06 | Multifunctional LNG measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105137025A true CN105137025A (en) | 2015-12-09 |
| CN105137025B CN105137025B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510476530.8A Expired - Fee Related CN105137025B (en) | 2015-08-06 | 2015-08-06 | Multifunctional LNG measuring device |
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Citations (9)
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|---|---|---|---|---|
| JP2000310396A (en) * | 1999-04-23 | 2000-11-07 | Ihi Plantec:Kk | Level gage of low temperature tank |
| CN1746636A (en) * | 2005-10-17 | 2006-03-15 | 南京工业大学 | Measurement of liquefied gas weight in sphere |
| CN2938037Y (en) * | 2006-08-10 | 2007-08-22 | 张川潮 | Multi-parameter intelligent transmitter |
| CN200950091Y (en) * | 2006-10-10 | 2007-09-19 | 中国国际海运集装箱(集团)股份有限公司 | Pressure and liquid level sensor for potlike container and vehicle tanker |
| CN103206614A (en) * | 2013-04-01 | 2013-07-17 | 中山大学 | Early-warning device and early-warning method used for monitoring accidents of boiling liquid expanding vapor explosion (BLEVE) of pressuring-bearing storage tanks |
| CN203929114U (en) * | 2014-04-30 | 2014-11-05 | 西安科技大学 | A kind of safety monitoring system of liquid tank truck |
| CN104486385A (en) * | 2014-12-02 | 2015-04-01 | 上海雷尼威尔技术有限公司 | Wireless communication system of LNG (Liquefied Natural Gas) storage tank equipment |
| CN204512948U (en) * | 2015-04-08 | 2015-07-29 | 福建中基能源有限公司 | A kind of LNG storage tank supervisory device |
| CN204903526U (en) * | 2015-08-06 | 2015-12-23 | 上海雷尼威尔技术有限公司 | Multi -functional measuring device of LNG |
-
2015
- 2015-08-06 CN CN201510476530.8A patent/CN105137025B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000310396A (en) * | 1999-04-23 | 2000-11-07 | Ihi Plantec:Kk | Level gage of low temperature tank |
| CN1746636A (en) * | 2005-10-17 | 2006-03-15 | 南京工业大学 | Measurement of liquefied gas weight in sphere |
| CN2938037Y (en) * | 2006-08-10 | 2007-08-22 | 张川潮 | Multi-parameter intelligent transmitter |
| CN200950091Y (en) * | 2006-10-10 | 2007-09-19 | 中国国际海运集装箱(集团)股份有限公司 | Pressure and liquid level sensor for potlike container and vehicle tanker |
| CN103206614A (en) * | 2013-04-01 | 2013-07-17 | 中山大学 | Early-warning device and early-warning method used for monitoring accidents of boiling liquid expanding vapor explosion (BLEVE) of pressuring-bearing storage tanks |
| CN203929114U (en) * | 2014-04-30 | 2014-11-05 | 西安科技大学 | A kind of safety monitoring system of liquid tank truck |
| CN104486385A (en) * | 2014-12-02 | 2015-04-01 | 上海雷尼威尔技术有限公司 | Wireless communication system of LNG (Liquefied Natural Gas) storage tank equipment |
| CN204512948U (en) * | 2015-04-08 | 2015-07-29 | 福建中基能源有限公司 | A kind of LNG storage tank supervisory device |
| CN204903526U (en) * | 2015-08-06 | 2015-12-23 | 上海雷尼威尔技术有限公司 | Multi -functional measuring device of LNG |
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| CN105137025B (en) | 2017-01-04 |
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Granted publication date: 20170104 Termination date: 20180806 |