CN108593035A - a kind of intelligent gas flowmeter - Google Patents
a kind of intelligent gas flowmeter Download PDFInfo
- Publication number
- CN108593035A CN108593035A CN201810527164.8A CN201810527164A CN108593035A CN 108593035 A CN108593035 A CN 108593035A CN 201810527164 A CN201810527164 A CN 201810527164A CN 108593035 A CN108593035 A CN 108593035A
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- Prior art keywords
- fixed
- spring
- protecting box
- shell
- sliding
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of intelligent gas flowmeters, including shell, the upper end of the shell is fixed with load-carrying ring, the upper end both sides of the load-carrying ring are respectively and fixedly provided with first sleeve, buffer unit is equipped in the first sleeve, there is protecting box in the upper end of two buffer units jointly, the lower end of the protecting box is equipped with the first opening, the upper end of the shell is open through first and extends in protecting box, the upper end of the load-carrying ring is fixed with fixed ring, and fixed ring is run through in the upper end of shell, the both sides of the fixed ring are equipped with the first sliding groove, first sliding block is installed in the first sliding groove.The present invention, which realizes, to be protected gas flowmeter and the function of damping, solves gas flowmeter in use by outer force effect, because of the problem of being damaged without protection and glissando, it also avoids leading to inefficiency because Causing Flowmeter Damages are unable to operate normally simultaneously, the problem of cost increases, it is easy to operate, it is easy to use.
Description
Technical field
The present invention relates to gas metering technology field more particularly to a kind of intelligent gas flowmeters.
Background technology
Gas flowmeter is the instrument of meter gaseous flow.The gas flow flowed through is recorded in pipeline.It can measure
Coal gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, nitrogen, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, fourth
Alkane, chlorine, combustion gas, biogas, carbon dioxide, oxygen, compressed air, argon gas, toluene, benzene, dimethylbenzene, hydrogen sulfide, sulfur dioxide,
Ammonia etc., gas flowmeter is connected on pipe fitting when in use, and gas flowmeter is after connecting pipe, it is easy to by external force
Effect, still, existing gas flowmeter does not properly protect after installing measure and glissando, due to gas stream
Gauge sensitivity is higher, is easy to be damaged when by outer force effect, causes the data of gained inaccurate, and then can occur
Danger, while maintenance cost is also increased, working efficiency is reduced, for this purpose, we have proposed a kind of intelligent gas flowmeters to come
It solves the above problems.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of intelligent gas-flow rate proposed
Meter.
To achieve the goals above, present invention employs following technical solutions：
A kind of intelligent gas flowmeter, including shell, the upper end of the shell are fixed with load-carrying ring, the load-carrying ring it is upper
End both sides are respectively and fixedly provided with first sleeve, are equipped with buffer unit in the first sleeve, there is guarantor in the upper end of two buffer units jointly
Box is protected, the lower end of the protecting box is equipped with the first opening, and the upper end of the shell is open through first and extends in protecting box,
The upper end of the load-carrying ring is fixed with fixed ring, and fixed ring is run through in the upper end of shell, and the both sides of the fixed ring are equipped with the
One sliding slot is equipped with the first sliding block in the first sliding groove, and one end of two the first sliding blocks is separately fixed at two in protecting box
On the wall of end side, it is respectively and fixedly provided with fixed case in the opposing sidewalls in the protecting box, cavity, the cavity are equipped in the fixed case
It is interior to be equipped with partition board, support plate is respectively and fixedly provided in the opposing sidewalls in the cavity, the support plate is equipped with third sliding slot, described
Third sliding block is installed, one end side wall in the third sliding slot is equipped with damping device, and damping device in third sliding slot
One end is fixed on the side of third sliding block, and one end of two third sliding blocks is fixed with movable plate, the side of the movable plate jointly
Equidistantly fixed there are three cushion block, the side of the cushion block is fixed with lead screw, and one end of three lead screws is run through partition board and extended
To the side of partition board, the first spring is arranged on the lead screw, one end of first spring is fixed on the side of cushion block, described
The other end of first spring is fixed on the side of partition board, and there are two the connections being mutually parallel for the other side fixation of the movable plate
One end of bar, the connecting rod runs through the side wall of fixed case and extends to the side of fixed case, and one end of two connecting rods is common
It is fixed with fixed plate, the side of the fixed plate is fixed with grip block, and the upper end of the shell is equipped with display screen, and two clampings
Block is located at the both sides of display screen.
Preferably, the buffer unit includes the limiting plate being arranged in first sleeve, opposite in the first sleeve
It is equipped with the 4th sliding slot on side wall, Four-slider is installed in the 4th sliding slot, one end of two Four-sliders is fixed jointly
There are fixed link, the lower end of the fixed link to fix there are two the gag lever post being mutually parallel, limit is run through in one end of the gag lever post
Plate and the lower end for extending to limiting plate are arranged with second spring on the gag lever post, and one end of the second spring is fixed on
The other end of the lower end of fixed pole, the second spring is fixed on the upper end of limiting plate.
Preferably, the damping device includes the second casing being fixed in third sliding slot on the side wall of one end, and described second
It is equipped with second sliding slot in opposing sidewalls in casing, the second sliding block is installed in the second sliding slot, two the second sliding blocks
One end is fixed with pressing plate jointly, and the side of the pressing plate is fixed with third spring, and one end of the third spring is fixed on second
On one end side wall in casing, the other side of the pressing plate is fixed with compression bar, and the side of the second casing is run through in one end of the compression bar
Wall and the side for being fixed on third sliding block.
Preferably, the side of the protecting box is equipped with the second opening, and second opening is hinged with capping, the capping
Side be equipped with knob.
Preferably, the upper end side wall of the protecting box is equipped with multiple heat emission holes.
Preferably, the load-carrying ring is fixed on by two bolts on shell.
Preferably, the both ends of the shell are respectively and fixedly provided with connector.
Preferably, the first sleeve is the closed cylinder in one end, and the blind end of first sleeve is fixed on load-carrying ring
Upper end.
In the present invention, when in use, first load-carrying ring is bolted on shell, is then fixed on protecting box solid
Display screen is protected in the upper end of fixed pole with protecting box, when protecting box is moved down by external force, can squeeze fixed link, fixed link is moved
Dynamic that two Four-sliders is driven to be moved in the 4th sliding slot, fixed link movement drives two gag lever posts movements, and gag lever post is to moving down
Second spring can be squeezed when dynamic, carry out damping using the reset function of second spring, then protecting box is moved left and right by external force
When, protecting box drives fixed case movement, fixed case movement that connecting rod movement, connecting rod movement is driven movable plate to be driven to be moved
Dynamic, three cushion blocks movements of movable plate movement drive, cushion block drives lead screw movement, cushion block to squeeze the first spring when moving, thus into
Row damping drives two third sliding block movements, the movement of third sliding block to squeeze compression bar when movable plate moves, compression bar band dynamic pressure plate moves
Dynamic, pressing plate squeezes third spring, to carry out damping to display screen, when display screen temperature is higher, can be dissipated by heat emission hole
Heat can carry out the connection of other pipe fittings by the connector at shell both ends, and the present invention, which realizes, protects gas flowmeter
With the function of damping, solves gas flowmeter in use by outer force effect, because without protection and glissando hair
The problem of the problem of raw damage, while also avoiding leading to inefficiency because Causing Flowmeter Damages are unable to operate normally, cost increases,
It is easy to operate, it is easy to use.
Description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of intelligent gas flowmeter proposed by the present invention；
Fig. 2 is a kind of external structure schematic diagram of intelligent gas flowmeter proposed by the present invention；
Fig. 3 is a kind of structural schematic diagram of first spring of intelligent gas flowmeter proposed by the present invention；
Fig. 4 is a kind of structural schematic diagram of the second spring of intelligent gas flowmeter proposed by the present invention；
Fig. 5 is a kind of structural schematic diagram of the heat emission hole of intelligent gas flowmeter proposed by the present invention；
Fig. 6 is a kind of structural schematic diagram of the third spring of intelligent gas flowmeter proposed by the present invention.
In figure：1 protecting box, 2 display screens, 3 fixed plates, 4 connecting rods, 5 fixed cases, 6 grip blocks, 7 fixed rings, 8 load-carrying rings,
9 bolts, 10 first sleeves, 11 connectors, 12 shells, 13 the first sliding grooves, 14 first sliding blocks, 15 second sliding slots, 16 fixed links, 17
Capping, 18 knobs, 19 movable plates, 20 first springs, 21 third sliding blocks, 22 third sliding slots, 23 support plates, 24 partition boards, 25 second
Casing, 26 cushion blocks, 27 lead screws, 28 compression bars, 29 Four-sliders, 30 second springs, 31 gag lever posts, 32 limiting plates, 33 the 4th sliding slots,
34 heat emission holes, 35 third springs, 36 pressing plates, 37 second sliding blocks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-6, the upper end of a kind of intelligent gas flowmeter, including shell 12, shell 12 is fixed with load-carrying ring 8, side
Just it is fixed, the upper end both sides of load-carrying ring 8 are respectively and fixedly provided with first sleeve 10, are equipped with buffer unit in first sleeve 10, two
The upper end of buffer unit has protecting box 1, the lower end of protecting box 1 to be equipped with the first opening jointly, and the upper end of shell 12 is opened through first
Mouth simultaneously extends in protecting box 1, protects display screen 2 with protecting box 1, the upper end of load-carrying ring 8 is fixed with fixed ring 7, and shell 12
Upper end run through fixed ring 7, the both sides of fixed ring 7 are equipped with the first sliding groove 13, the first sliding block 14 are equipped in the first sliding groove 13,
One end of two the first sliding blocks 14 is separately fixed on the both ends side wall in protecting box 1, and protecting box 1 is facilitated to move up and down,
It is respectively and fixedly provided with fixed case 5 in opposing sidewalls in protecting box 1, cavity is equipped in fixed case 5, partition board 24, cavity are equipped in cavity
It is respectively and fixedly provided with support plate 23 in interior opposing sidewalls, support plate 23 is equipped with third sliding slot 22, and the is equipped in third sliding slot 22
Three sliding blocks 21, one end side wall in third sliding slot 22 is equipped with damping device, and one end of damping device is fixed on third sliding block
21 side is convenient for damping, and one end of two third sliding blocks 21 is fixed with movable plate 19 jointly, and plate 19 easy to remove moves
Dynamic, the side of movable plate 19 is equidistantly fixed there are three cushion block 26, and the side of cushion block 26 is fixed with lead screw 27, three lead screws 27
One end runs through partition board 24 and extends to the side of partition board 24, is arranged with the first spring 20 on lead screw 27, and the one of the first spring 20
End is fixed on the side of cushion block 26, and the other end of the first spring 20 is fixed on the side of partition board 24, and the other side of movable plate 19 is solid
One end of the connecting rod 4 being mutually parallel there are two fixed, connecting rod 4 runs through the side wall of fixed case 5 and extends to the one of fixed case 5
Side, when protecting box 1 is moved left and right by external force, protecting box 1 drives fixed case 5 to move, and the movement of fixed case 5 drives connecting rod 4 to move
Dynamic, the movement of connecting rod 5 can drive movable plate 19 to be moved, and the movement of movable plate 19 drives three cushion blocks 26 to move, 26 band of cushion block
Dynamic lead screw 27 moves, and cushion block 26 squeezes the first spring 20 when moving, and to carry out damping, one end of two connecting rods 4 is jointly solid
There are fixed plate 3, the side of fixed plate 3 to be fixed with grip block 6, the upper end of shell 12 is equipped with display screen 2, and two grip blocks 6 surely
The both sides of display screen 2 are located at, convenient for being gripped to display screen 2.
In the present invention, buffer unit includes the limiting plate 32 being arranged in first sleeve 10, opposite in first sleeve 10
It is equipped with the 4th sliding slot 33 on side wall, Four-slider 29 is installed in the 4th sliding slot 33, one end of two Four-sliders 29 is common
It is fixed with fixed link 16, the lower end of fixed link 16 is fixed there are two the gag lever post 31 being mutually parallel, and one end of gag lever post 31 is run through
Limiting plate 32 and the lower end for extending to limiting plate 32, second spring 30 is arranged on gag lever post 31, and one end of second spring 30 is solid
It is scheduled on the lower end of fixed link 16, the other end of second spring 30 is fixed on the upper end of limiting plate 32, and protecting box 1 is downward by external force
When mobile, fixed link 16 can be squeezed, the movement of fixed link 16 drives two Four-sliders 29 to be moved in the 4th sliding slot 33, fixed link
16 movements drive two gag lever posts 31 to move, and second spring 30 can be squeezed when gag lever post 31 moves down, utilizes second spring 30
Reset function carry out damping, damping device includes the second casing 25 being fixed in third sliding slot 22 on the side wall of one end, second
It is equipped with second sliding slot 15 in opposing sidewalls in casing 25, the second sliding block 37, two second cunnings are installed in second sliding slot 15
One end of block 37 is fixed with pressing plate 36 jointly, is moved convenient for pressing plate 36, the side of pressing plate 36 is fixed with third spring 35, third bullet
One end of spring 35 is fixed on one end side wall in the second casing 25, and the other side of pressing plate 36 is fixed with compression bar 28, compression bar 28
One end runs through the side wall of the second casing 25 and is fixed on the side of third sliding block 21, drives two thirds to slide when movable plate 19 moves
Block 21 moves, and the movement of third sliding block 21 squeezes compression bar 28, and compression bar 28 is moved with dynamic pressure plate 36, and pressing plate 36 squeezes third spring 35,
To carry out damping to display screen 2, the side of protecting box 1 is equipped with the second opening, and the second opening is hinged with capping 17, convenient for protecting
Shield, the side for covering 17 are equipped with knob 18, are easy to open capping 17, and the upper end side wall of protecting box 1 is equipped with multiple heat emission holes 34,
Facilitate and radiate, load-carrying ring 8 is fixed on housing 12 by two bolts 9, is easy for installation and removal, the both ends of shell 12 are equal
It is fixed with connector 11, facilitates and connects other pipe fittings, first sleeve 10 is the closed cylinder in one end, and the closing of first sleeve 10
End is fixed on the upper end of load-carrying ring 8.
In the present invention, when in use, load-carrying ring 8 is fixed on housing 12 by bolt 9 first, then consolidates protecting box 1
It is scheduled on the upper end of fixed link 16, display screen 2 is protected with protecting box 1, when protecting box 1 is moved down by external force, fixation can be squeezed
Bar 16, the movement of fixed link 16 drive two Four-sliders 29 to be moved in the 4th sliding slot 33, and the movement of fixed link 16 drives two limits
Position bar 31 moves, and second spring 30 can be squeezed when gag lever post 31 moves down, the reset function using second spring 30 is subtracted
Shake, when then protecting box 1 is moved left and right by external force, protecting box 1 drives fixed case 5 to move, and the movement of fixed case 5 drives connecting rod
4 movements, the movement of connecting rod 4 can drive movable plate 19 to be moved, and the movement of movable plate 19 drives three cushion blocks 26 to move, cushion block 26
Lead screw 27 is driven to move, cushion block 26 squeezes the first spring 20 when moving, and to carry out damping, two are driven when movable plate 19 moves
Third sliding block 21 moves, and the movement of third sliding block 21 squeezes compression bar 28, and compression bar 28 is moved with dynamic pressure plate 36, and pressing plate 36 squeezes third bullet
Spring 35 when 2 temperature of display screen is higher, can be radiated by heat emission hole 34 to carry out damping to display screen 2, pass through shell
The connector 11 at 12 both ends can carry out the connection of other pipe fittings.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of intelligent gas flowmeter, including shell (12), which is characterized in that the upper end of the shell (12) is fixed with carrying
The upper end both sides of ring (8), the load-carrying ring (8) are respectively and fixedly provided with first sleeve (10), and buffering is equipped in the first sleeve (10)
The upper end of device, two buffer units has protecting box (1), the lower end of the protecting box (1) to be equipped with the first opening, the shell jointly
The upper end of body (12) is open through first and extends in protecting box (1), and the upper end of the load-carrying ring (8) is fixed with fixed ring
(7), and fixed ring (7) is run through in the upper end of shell (12), and the both sides of the fixed ring (7) are equipped with the first sliding groove (13), described
First sliding block (14) is installed, one end of two the first sliding blocks (14) is separately fixed in protecting box (1) in the first sliding groove (13)
Both ends side wall on, be respectively and fixedly provided with fixed case (5) in the opposing sidewalls in the protecting box (1), be equipped in the fixed case (5)
Cavity, the cavity is interior to be equipped with partition board (24), and support plate (23), the support are respectively and fixedly provided in the opposing sidewalls in the cavity
Plate (23) is equipped with third sliding slot (22), and third sliding block (21), the third sliding slot are equipped in the third sliding slot (22)
(22) one end side wall in is equipped with damping device, and one end of damping device is fixed on the side of third sliding block (21), two
One end of third sliding block (21) is fixed with movable plate (19) jointly, and equidistantly there are three pads for fixation for the side of the movable plate (19)
The side of block (26), the cushion block (26) is fixed with lead screw (27), and one end of three lead screws (27) is run through partition board (24) and prolonged
The side of partition board (24) is extended to, the first spring (20) is arranged on the lead screw (27), one end of first spring (20) is solid
It is scheduled on the side of cushion block (26), the other end of first spring (20) is fixed on the side of partition board (24), the movable plate
(19) the other side is fixed there are two the connecting rod (4) being mutually parallel, and fixed case (5) is run through in one end of the connecting rod (4)
One end of side wall and the side for extending to fixed case (5), two connecting rods (4) is fixed with fixed plate (3), the fixed plate jointly
(3) side is fixed with grip block (6), and the upper end of the shell (12) is equipped with display screen (2), and two grip blocks (6) are respectively
Both sides positioned at display screen (2).
2. a kind of intelligent gas flowmeter according to claim 1, which is characterized in that the buffer unit includes that setting exists
Limiting plate (32) in first sleeve (10) is equipped with the 4th sliding slot (33) in the opposing sidewalls in the first sleeve (10),
Four-slider (29) is installed in 4th sliding slot (33), one end of two Four-sliders (29) is fixed with fixed link jointly
(16), there are two the gag lever post (31) being mutually parallel, one end of the gag lever post (31) for the lower end fixation of the fixed link (16)
Through limiting plate (32) and the lower ends of limiting plate (32) is extended to, second spring (30), institute are arranged on the gag lever post (31)
The one end for stating second spring (30) is fixed on the lower end of fixed link (16), and the other end of the second spring (30) is fixed on limit
The upper end of plate (32).
3. a kind of intelligent gas flowmeter according to claim 1, which is characterized in that the damping device includes being fixed on
The second casing (25) on the interior one end side wall of third sliding slot (22) is equipped in the opposing sidewalls in second casing (25)
Two sliding slots (15), the second sliding slot (15) is interior to be equipped with the second sliding block (37), and one end of two the second sliding blocks (37) is jointly solid
There are pressing plate (36), the side of the pressing plate (36) to be fixed with third spring (35), one end of the third spring (35) is fixed surely
On one end side wall in the second casing (25), the other side of the pressing plate (36) is fixed with compression bar (28), the compression bar (28)
One end through the second casing (25) side wall and be fixed on the sides of third sliding block (21).
4. a kind of intelligent gas flowmeter according to claim 1, which is characterized in that the side of the protecting box (1) is set
There are the second opening, second opening to be hinged with capping (17), the side of the capping (17) is equipped with knob (18).
5. a kind of intelligent gas flowmeter according to claim 1, which is characterized in that the upper end side of the protecting box (1)
Wall is equipped with multiple heat emission holes (34).
6. a kind of intelligent gas flowmeter according to claim 1, which is characterized in that the load-carrying ring (8) passes through two
Bolt (9) is fixed on shell (12).
7. a kind of intelligent gas flowmeter according to claim 1, which is characterized in that the both ends of the shell (12) are solid
Surely there is connector (11).
8. a kind of intelligent gas flowmeter according to claim 1, which is characterized in that the first sleeve (10) is one end
Closed cylinder, and the blind end of first sleeve (10) is fixed on the upper end of load-carrying ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527164.8A CN108593035A (en) | 2018-05-29 | 2018-05-29 | a kind of intelligent gas flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527164.8A CN108593035A (en) | 2018-05-29 | 2018-05-29 | a kind of intelligent gas flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108593035A true CN108593035A (en) | 2018-09-28 |
Family
ID=63629921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810527164.8A Pending CN108593035A (en) | 2018-05-29 | 2018-05-29 | a kind of intelligent gas flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108593035A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244882A (en) * | 2018-10-17 | 2019-01-18 | 长江师范学院 | A kind of electromechanical protection device |
| CN110940390A (en) * | 2019-12-03 | 2020-03-31 | 深圳市君厚财税服务有限公司 | Intelligent natural gas flow detection equipment |
| CN111457961A (en) * | 2020-05-09 | 2020-07-28 | 天津众联智能科技有限责任公司 | Modularized multi-channel big data acquisition terminal based on Internet of things technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003057084A (en) * | 2001-08-16 | 2003-02-26 | Toyo Keiki Co Ltd | Water meter |
| CN204027629U (en) * | 2014-08-08 | 2014-12-17 | 福州真兰水表有限公司 | Water meter protective cover |
| CN107528235A (en) * | 2017-10-09 | 2017-12-29 | 江苏大浪电气集团有限公司 | A kind of low-tension switch cabinet with adjustable partition |
| CN107941296A (en) * | 2017-11-22 | 2018-04-20 | 重庆陆吾科技有限公司 | A kind of damping device of gas meter, flow meter |
-
2018
- 2018-05-29 CN CN201810527164.8A patent/CN108593035A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003057084A (en) * | 2001-08-16 | 2003-02-26 | Toyo Keiki Co Ltd | Water meter |
| CN204027629U (en) * | 2014-08-08 | 2014-12-17 | 福州真兰水表有限公司 | Water meter protective cover |
| CN107528235A (en) * | 2017-10-09 | 2017-12-29 | 江苏大浪电气集团有限公司 | A kind of low-tension switch cabinet with adjustable partition |
| CN107941296A (en) * | 2017-11-22 | 2018-04-20 | 重庆陆吾科技有限公司 | A kind of damping device of gas meter, flow meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244882A (en) * | 2018-10-17 | 2019-01-18 | 长江师范学院 | A kind of electromechanical protection device |
| CN110940390A (en) * | 2019-12-03 | 2020-03-31 | 深圳市君厚财税服务有限公司 | Intelligent natural gas flow detection equipment |
| CN111457961A (en) * | 2020-05-09 | 2020-07-28 | 天津众联智能科技有限责任公司 | Modularized multi-channel big data acquisition terminal based on Internet of things technology |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180928 |