CN105805543A - Automatic type identification method for substation trailers - Google Patents
Automatic type identification method for substation trailers Download PDFInfo
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- CN105805543A CN105805543A CN201410854676.7A CN201410854676A CN105805543A CN 105805543 A CN105805543 A CN 105805543A CN 201410854676 A CN201410854676 A CN 201410854676A CN 105805543 A CN105805543 A CN 105805543A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 210000003437 trachea Anatomy 0.000 claims description 28
- 230000008520 organization Effects 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 8
- 230000001717 pathogenic effect Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The invention provides an automatic type identification method for substation trailers. The automatic type identification method comprises the following steps: connecting all instrument air interfaces of a ski body with a gas source; correspondingly connecting holes at one side of instrument air interfaces of the trailers with holes of the instrument air interfaces of the ski body; selecting the hole with the number of (m-n+1) as a total gas source connecting interface to be connected with a total gas source; selecting holes with the number ranging from (m-n+2) to m as pressure detection interfaces; if the hole with the number of (m-n+1) is butted with the pressure detection interfaces, judging the trailers are the first type of trailers if detecting that pressure exists in a gas circuit corresponding to the hole with the number of (m-n+2), and judging that the trailers are the second type of trailers if detecting that pressure exists in a gas circuit corresponding to the hole with the number of (m-n+3); and if the hole with the number of (m-n+1) is not butted with any pressure detection interface, judging the trailers are the nth type of trailers.
Description
Technical field
The present invention relates to CNG aerating field, particularly relate to a kind of control method automatically identified based on substation trailer.
Background technology
Trailer kind in substation can be divided into 6 pipes, 8 pipe and three kinds of vehicles of 12 pipes according to pipe number difference in the market, single bottle of volume of three types trailer and tube bank quantity are all different, wherein early stage substation trailer only has 8 form of tubes, up to the present 8 pipe trailers are still market absolutely main force vehicle, and 6 pipe trailers are also progressively being promoted, a small amount of 12 pipe trailers are also had to put goods on the market.When user has variety classes trailer, owing to lacking automatic identification mechanism, the particular type of substation controlling organization None-identified trailer, causes substation to be difficult to be applicable to variety classes trailer.Accordingly, it would be desirable to substation has the function identifying trailer-type.
Original substation, market is 8 pipe trailer adapted stations, place and hardware auxiliary facility have cured, if realizing the identification of many car types by the electric kind equipment of on-the-spot increase, all use equipment are required for meeting requirement of explosion proof, improvement cost is high and not easily implements, and judges from software control if single, and artificial hidden danger is bigger again, once maloperation occurs, arise that the danger that oil spout or idle pipeline are got by hydraulic oil or high pressure gas.
Summary of the invention
Based on the problems referred to above, the invention provides the automatic identifying method of a seed stations trailer-type so that it is when substantially without, when changing substation facility, accurately realizing the automatic identification of trailer-type.
For reaching above-mentioned purpose, the present invention provides the automatic identifying method of a seed stations trailer-type, for identifying the type of the trailer docked with substation skid body, quantitative classification according to the pipe number of trailer, trailer includes the 1st kind of trailer, 2nd kind of trailer ... n trailer, and the 1st kind of trailer, 2nd kind of trailer ... the increased number of the pipe number that n trailer has, this automatic identifying method is used for detecting this n kind trailer-type, wherein, the instrument wind interface of each trailer is respectively provided with m hole, and m hole is with 1～m number consecutively, this automatic identifying method includes: be connected with source of the gas by each instrument wind interface of skid body；Connect corresponding with the hole of the instrument wind interface of skid body for the hole of the instrument wind interface side of trailer；Choose the hole being numbered (m-n+1) and connect interface as total source of the gas, to be connected with total source of the gas, and choose the hole being numbered (m-n+2)～be numbered m as pressure detecting interface, if the hole that will be numbered (m-n+1) is docked with each pressure detecting interface respectively, if detecting in the gas circuit that the hole being numbered (m-n+2) is corresponding have pressure, then judge that trailer is the 1st kind of trailer, if detecting in the gas circuit that the hole being numbered (m-n+3) is corresponding have pressure, then judge that trailer is the 2nd kind of trailer；If the arbitrary pressure detecting interface docking of the Kong Weiyu being numbered (m-n+1), then judge that trailer is n trailer.
The present invention having the beneficial effects that compared to prior art: the present invention make use of the loop characteristic in instrument pathogenic wind source between trailer and substation skid body, after normal connection trailer connector with skid body joint, only need to connect the idle hole of trailer connector according to different automobile types, and after passing into gas to each hole, pressure in the idle hole of detection, thus automatically identifying vehicle according to different pressures situation, after completing vehicle cab recognition, take to suppress accordingly cyclic process according to vehicle.Therefore, the present invention can realize automatically identifying accurately the purpose of vehicle, and without substation is increased cable laying, it is not necessary to changing outside and buried pipeline, convenient and safe, cost is extremely low, and exploitativeness is strong.
Accompanying drawing explanation
Fig. 1 is the substation trachea connection figure of one embodiment of the invention.
Fig. 2 is the male contact schematic diagram of trailer.
Fig. 3 is the male contact schematic diagram of trailer.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment can be implemented in a variety of forms, and is not understood as limited to embodiment set forth herein；On the contrary, it is provided that these embodiments make the present invention more comprehensively and completely, and the design of example embodiment is conveyed to those skilled in the art all sidedly.In the drawings, in order to clearly, it is possible to exaggerate the thickness of region and layer.Accompanying drawing labelling identical in the drawings represents same or similar structure, thus will omit their detailed description.
Additionally, described feature, structure or characteristic can be combined in one or more embodiment in any suitable manner.In the following description, it is provided that many details are thus providing fully understanding embodiments of the invention.It will be appreciated, however, by one skilled in the art that one or more without in described specific detail of technical scheme can be put into practice, or other method, constituent element, material etc. can be adopted.In other cases, known features, material or operation are not shown in detail or describe to avoid the major technique intention of the fuzzy present invention.
The present invention proposes a kind of control method automatically identified based on substation trailer kind, and following example manage for identification 6 common at present, 8 pipes and three kinds of vehicles of 12 pipes illustrate.
As it is shown in figure 1, substation skid body includes skid body instrument wind interface and skid body integrated package 7, in the present embodiment, skid body instrument wind interface includes skid body famale connector 1 and skid body male contact 3.Current skid body famale connector 1 and skid body male contact 3 are respectively provided with 12 holes to carry out trachea grafting, and name successively with 1-1～1-12 and 3-1～3-12 respectively.The both sides of skid body integrated package 3 are respectively mounted the first pneumatic joint 6 and the second pneumatic joint 8.First pneumatic joint 6 is connected by trachea with each hole of skid body famale connector 1 and skid body male contact 3, and the second pneumatic joint 8 connects with external air source.Trachea can be multiple trachea 6 meters long, and the outside entirety of trachea that this can connect skid body famale connector 1 and skid body male contact 3 respectively puts on protecting pipe, thus defining two trachea tube banks 5,9.
As shown in Figure 2,3, trailer has trailer instrument wind interface, and in the present embodiment, trailer instrument wind interface includes trailer male contact 2 and trailer famale connector 4.Trailer male contact 2 and trailer famale connector 4 are respectively provided with 12 holes, and name successively with 2-1～2-12 and 4-1～4-12 respectively.The side of trailer male contact 2 is connected with skid body famale connector 1 by trachea tube bank, and the opposite side of trailer male contact 2 treats that the front storehouse with trailer is connected；The side of trailer famale connector 4 is connected with skid body male contact 3 by trachea tube bank, and the opposite side of trailer famale connector 4 is connected until storehouse after trailer.The instrument wind interface of the trailer that market is existing is that 6 pipe trailers use front 6 holes with the front storehouse of trailer or rear storehouse connected mode, and 8 pipe trailers use front 8 holes, and 12 pipe trailers use all 12 holes.
After completing above-mentioned connection, 1 hole that would sit idle for introduces source of the gas, namely 1 hole that would sit idle for is connected with the total source of the gas of instrument wind by integrated package 7, other 2 holes that would sit idle for are attached according to vehicle difference, the gas circuit in this latter two hole is incorporated into skid body by trachea tube bank, skid body pipeline is respectively provided with two pressure monitoring points 1 and 2, the introduction pipeline in two holes is carried out pressure detecting, it is 6 pipe trailers when there is pressure monitoring point 1, it is 8 pipe trailers when test point 2 has pressure, it is 12 pipe trailers when two monitoring points are all without pressure, thus automatically identifying trailer-type.
Visible, the model recognizing method of the present invention is substantially without changing substation entity structure, only transform and restrain individually connection, particularly as follows: that runs in the middle of present market is generally applicable in the adapted substation of 8 pipe trailers, mainly carry out increasing to tube bank 5 and tube bank 9 during transformation and connect, the startup joint of trachea 27,28,30,31,37,38,40,41 and integrated package 7 both sides is supplemented according to Fig. 1, and increase pressure acquisition point at the corresponding pipeline of skid body device interior trachea 36 and trachea 39, for instance pressure transducer.The connected mode of the male contact 2 that towing equipment carries connects according to above-mentioned corresponding manner according to different automobile types.
In sum, the present invention make use of the loop characteristic in instrument pathogenic wind source between trailer and substation skid body, after normal connection trailer connector with skid body joint, only need to connect the idle hole of trailer connector according to different automobile types, and after passing into gas to each hole, the pressure in the idle hole of detection, thus automatically identifying vehicle according to different pressures situation, after completing vehicle cab recognition, take to suppress accordingly cyclic process according to vehicle.Therefore, the present invention can realize automatically identifying accurately the purpose of vehicle, and without substation is increased cable laying, it is not necessary to changing outside and buried pipeline, convenient and safe, cost is extremely low, and exploitativeness is strong.
It is described further how carrying out vehicle cab recognition below in conjunction with Fig. 1.
Instrument pathogenic wind road between usual towing equipment and skid body equipment is divided into two-way.Leading up to skid body famale connector 1, trailer male contact 2 docking realizes control to trailer front storehouse drain tap, separately leads up to skid body male contact 3, trailer famale connector 4 docking and realizes the control of storehouse oil circuit valve after trailer.Realization link is as follows, and integrated package 7 both sides are respectively mounted the first pneumatic joint 6 and the second pneumatic joint 8, and source of the gas side by being connected introducing source of the gas with the second pneumatic joint 8, and wherein the hole 1-10 of skid body famale connector 1 is connected with the total source of the gas of instrument wind by integrated package 7.Pneumatic tube bank 5 two ends are respectively in accordance with on the position of the first pneumatic joint 6 correspondence being inserted in shown in Fig. 1 on skid body famale connector 1 and integrated bulk 7, and skid body famale connector 1 docks with trailer male contact 2 again, completes the first loop.Pneumatic tube bank 9 two ends are respectively in accordance with on the position of the first pneumatic joint 6 correspondence being inserted in shown in Fig. 1 on skid body male contact 3 and integrated bulk 7, and skid body male contact 3 docks with trailer famale connector 4 again, completes second servo loop.Wherein having 12 tracheas in pneumatic tube bank 5, trachea numbering is as it is shown in figure 1, respectively 02,05,08 ... .. ..., pneumatic tube bank 9 has 12 tracheas, trachea numbering is as it is shown in figure 1, respectively 01,04,07 ....
The following is the angle from trailer male contact 2 and realize vehicle judgement, it is possible to judge vehicle from the angle of trailer famale connector 42, optionally use one of two methods, owing to the two method is identical, therefore do not repeat the latter at this.
When for 6 pipe trailer, 2-1,2-2,2-3,2-4,2-5,2-6 correspondence trailer front storehouse, hole unit of trailer male contact 2, and the hole 2-7～2-12 of trailer male contact 2 leaves unused, and is connected with hole 2-11 by hole 2-10 with a bit of trachea；When for 8 pipe trailer, 2-1,2-2,2-3,2-4,2-5,2-6,2-7,2-8 correspondence trailer front storehouse, hole unit of trailer male contact 2,2-9～2-12 leaves unused, and is connected with hole 2-12 by hole 2-10 with a bit of trachea；When for 12 pipe trailer, 2-1,2-2,2-3,2-4,2-5,2-6,2-7,2-8,2-9,2-10,2-11,2-12 correspondence trailer front storehouse, hole unit of trailer male contact 2.
After instrument pathogenic wind source provides, when scene is 6 pipe trailer, owing to the instrument air holes 2-10 of trailer 12 hole male contact 2 connects with hole 2-11, can detect in trachea 36 pipeline connected with hole 2-11 and have certain pressure；When scene is 8 pipe trailer, owing to the hole instrument wind 2-10 of trailer male contact 2 connects with hole 2-12, can detect in trachea 39 pipeline connected with hole 2-12 and have certain pressure；When for 12 pipe trailer, owing to the instrument air holes 2-10 of trailer male contact 2 does not connect with hole 2-11, hole 2-12, therefore will not pressure in the corresponding pipeline of the gentle pipe 39 of the corresponding pipeline of trachea 36.
Can pass through in integrated package, in extending in pipeline of corresponding trachea, pressure transducer is set to detect the pressure in trachea pipeline, and after air machinery runs, before suppressing circulation and starting, first passing through the pressure transducer pressure to the corresponding pipeline of trachea 36 and trachea 39 and be acquired, the signal of telecommunication of collection uploads to controlling organization, such as PLC, carrying out discriminatory analysis, thus realizing the judgement to vehicle, carrying out the operation output of corresponding program.
The automatic vehicle recognition method of the present invention can be applicable to the process of changing trains of trailer, and specifically the process of changing trains is:
First step subsequent vehicle to be accommodated to appointment position, and as requested by 10 degree of inclination angles of steel cylinder jack-up；
Second step waits that controlling organization sends hint instructions of changing trains, and the skid body famale connector docked with previous trailer is pulled up after sending by instruction, docks with follow-up trailer male contact, idle for part oil circuit is carried out transposing simultaneously.
3rd step presses " changing trains " button after completing above operation, now, the appointment airline pressure signal received is carried out discriminatory analysis by controlling organization, thus which kind of vehicle judges is, carry out the operation output of corresponding program, then automatically start Automatic Cycle from first bottle and suppress process, until last bottle terminates.
4th step waits that Article 2 instruction paid by controlling organization, and the skid body male contact docked with previous trailer is pulled up after sending by instruction, docks with follow-up trailer famale connector, idle for residue oil circuit is carried out transposing simultaneously.
After 5th step completes above step, again press " changing trains " button, complete operation of changing trains.
Visible, compared with traditional process of changing trains, the vehicle automatic decision step of process of changing trains the only controlling organization of the present invention, manual steps does not occur significantly to change, and does not increase any operation easier, it is not necessary to substation change structure.
The embodiment of the present invention is only common 6 pipes, 8 pipe and three kinds of vehicles of 12 pipes for current market, illustrates to be identified these three vehicle, but, said method also can recognize that other various types of trailers.Quantitative classification according to the pipe number of trailer, trailer includes the 1st kind of trailer, 2nd kind of trailer ... n trailer, and the 1st kind of trailer, the 2nd kind of trailer ... the increased number of the pipe number that n trailer has, this automatic identifying method is used for detecting this n kind trailer-type, wherein, the instrument wind interface of each trailer is respectively provided with m hole, and m hole is with 1～m number consecutively, and concrete recognition methods is:
Each instrument wind interface of skid body is connected with source of the gas；
Connect corresponding with the hole of the instrument wind interface of skid body for the hole of the instrument wind interface side of trailer；
Choose the hole being numbered (m-n+1) and connect interface as total source of the gas, to be connected with total source of the gas, and choose the hole being numbered (m-n+2)～be numbered m as pressure detecting interface, if the hole that will be numbered (m-n+1) is docked with each pressure detecting interface respectively, if detecting in the gas circuit that the hole being numbered (m-n+2) is corresponding have pressure, then judge that trailer is the 1st kind of trailer, if detecting in the gas circuit that the hole being numbered (m-n+3) is corresponding have pressure, then judge that trailer is the 2nd kind of trailer；
If the arbitrary pressure detecting interface docking of the Kong Weiyu being numbered (m-n+1), then judge that trailer is n trailer.
Such as, if 6 pipes, 8 pipes and three kinds of vehicles of 12 pipes are identified, 6 pipe trailers are the 1st kind of trailer, and 8 pipe trailers are the 2nd kind of trailer, and 12 pipe trailers are the 3rd kind of trailer, i.e. n trailer.Therefore, m=12, n=3.If detecting to be numbered in the gas circuit corresponding to hole of 11 have pressure, then judge that trailer is the 1st kind of trailer, be 6 pipe trailers；M=12, n=3, if detecting to be numbered in the gas circuit corresponding to hole of 12 have pressure, then judge that trailer is the 2nd kind of trailer, be 8 pipe trailers；Do not dock with arbitrary pressure detecting interface if total source of the gas connects interface, then no pressure in the gas circuit that each pressure detecting interface is corresponding, then judge that trailer is n trailer, be 12 pipe trailers.
In sum, the present invention make use of the loop characteristic in instrument pathogenic wind source between trailer and substation skid body, after normal connection trailer connector with skid body joint, only need to connect the idle hole of trailer connector according to different automobile types, and after passing into gas to each hole, the pressure in the idle hole of detection, thus automatically identifying vehicle according to different pressures situation, after completing vehicle cab recognition, take to suppress accordingly cyclic process according to vehicle.Therefore, the present invention can realize automatically identifying accurately the purpose of vehicle, and without substation is increased cable laying, it is not necessary to changing outside and buried pipeline, convenient and safe, cost is extremely low, and exploitativeness is strong.
Although exemplary embodiment describing the present invention with reference to several, it is to be understood that, term used is to illustrate and exemplary and nonrestrictive term.The spirit without deviating from invention or essence can be embodied as in a variety of forms due to the present invention, it is to be understood that, above-described embodiment is not limited to any aforesaid details, and should explain widely in the spirit and scope that appended claims limit, therefore fall into the whole changes in claim or its equivalent scope and remodeling all should be appended claims and contained.
Claims (9)
1. the automatic identifying method of a seed stations trailer-type, for identifying the type of the trailer docked with substation skid body, quantitative classification according to the pipe number of trailer, trailer includes the 1st kind of trailer, 2nd kind of trailer ... n trailer, and the 1st kind of trailer, 2nd kind of trailer ... the increased number of the pipe number that n trailer has, this automatic identifying method is used for detecting this n kind trailer-type, wherein, the instrument wind interface of each trailer is respectively provided with m hole, and m hole is with 1～m number consecutively, and this automatic identifying method includes:
Each instrument wind interface of skid body is connected with source of the gas；
Connect corresponding with the hole of the instrument wind interface of skid body for the hole of the instrument wind interface side of trailer；
Choose the hole being numbered (m-n+1) and connect interface as total source of the gas, to be connected with total source of the gas, and choose the hole being numbered (m-n+2)～be numbered m as pressure detecting interface, if the hole that will be numbered (m-n+1) is docked with each pressure detecting interface respectively, if detecting in the gas circuit that the hole being numbered (m-n+2) is corresponding have pressure, then judge that trailer is the 1st kind of trailer, if detecting in the gas circuit that the hole being numbered (m-n+3) is corresponding have pressure, then judge that trailer is the 2nd kind of trailer；
If the arbitrary pressure detecting interface docking of the Kong Weiyu being numbered (m-n+1), then judge that trailer is n trailer.
2. automatic identifying method as claimed in claim 1, wherein, the instrument wind interface of skid body includes skid body famale connector and skid body male contact, the instrument wind interface of trailer includes trailer famale connector and trailer male contact, wherein, connect corresponding with the hole of the instrument wind interface of skid body for the hole of the instrument wind interface side of trailer, including: connect corresponding with skid body famale connector for the trailer male contact of the instrument wind interface side of trailer；And connect corresponding with skid body male contact for the trailer famale connector of the instrument wind interface side of trailer.
3. automatic identifying method as claimed in claim 2, wherein, each skid body famale connector, skid body male contact, trailer famale connector and trailer male contact are all with numbering, wherein, connect corresponding with the hole of the instrument wind interface of skid body for the hole of the instrument wind interface side of trailer, including: the trailer male contact of the instrument wind interface side of trailer and skid body famale connector successively and corresponding corresponding are connected according to number order；And by the trailer famale connector of the instrument wind interface side of trailer and skid body male contact according to number order successively and corresponding corresponding connection.
4. automatic identifying method as claimed in claim 3, wherein, skid body includes skid body integrated package, the both sides of skid body integrated package are respectively mounted the first pneumatic joint and the second pneumatic joint, wherein, each instrument wind interface of skid body is connected with source of the gas, including: each hole of the first pneumatic joint with skid body famale connector and skid body male contact is connected by trachea, second pneumatic joint is connected with external air source, so that each instrument wind interface of skid body is connected with source of the gas.
5. automatic identifying method as claimed in claim 4, wherein, choose the hole being numbered (m-n+1) and connect interface as total source of the gas, including: the male contact being numbered (m-n+1) or the famale connector of choosing trailer are connected with one of them pneumatic joint of integrated package by corresponding skid body famale connector or male contact, and passing into source of the gas to this one of them pneumatic joint so that the hole being numbered (m-n+1) of trailer is connected with total source of the gas.
6. automatic identifying method as claimed in claim 5, wherein, choose the hole being numbered (m-n+2)～be numbered m as pressure detecting interface, including: choose at least two famale connector of trailer or at least two male contact as pressure detecting interface, and two famale connectors or two male contacts of the trailer as pressure detecting interface are docked by trachea, the male contact of the skid body corresponding with pressure detecting interface or the gas circuit of famale connector connection are respectively provided with pressure detecting point, thus the pressure detected in the pressure detecting interface of trailer.
7. automatic identifying method as claimed in claim 6, wherein, the male contact of the skid body corresponding with pressure detecting interface or the gas circuit of famale connector connection are respectively provided with pressure detecting point, including: in the male contact of the skid body corresponding with pressure detecting interface or the gas circuit of famale connector connection, it is respectively provided with pressure transducer.
8. automatic identifying method as claimed in claim 7, wherein, also includes: controlling organization receives the signal of telecommunication from pressure transducer, and judges trailer-type according to the signal of telecommunication.
9. automatic identifying method as claimed in claim 1, wherein, m=12, n=3, if detecting to be numbered in the gas circuit corresponding to hole of 11 have pressure, then judge that trailer is the 1st kind of trailer；M=12, n=3, if detecting to be numbered in the gas circuit corresponding to hole of 12 have pressure, then judge that trailer is the 2nd kind of trailer；Do not dock with arbitrary pressure detecting interface if total source of the gas connects interface, then no pressure in the gas circuit that each pressure detecting interface is corresponding, then judge that trailer is n trailer.
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| CN201410854676.7A CN105805543B (en) | 2014-12-31 | 2014-12-31 | The automatic identifying method of substation trailer-type |
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| CN201410854676.7A CN105805543B (en) | 2014-12-31 | 2014-12-31 | The automatic identifying method of substation trailer-type |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201093176Y (en) * | 2007-08-13 | 2008-07-30 | 王涌涛 | Intelligent natural gas filling substation |
| CN101793347A (en) * | 2010-04-13 | 2010-08-04 | 沈军 | Gas filling station |
| CN101992750A (en) * | 2010-10-27 | 2011-03-30 | 四川金科环保科技有限公司 | CNG delivery trailer structure suitable for single and double-line gas filling substations |
| CN102410442A (en) * | 2011-11-10 | 2012-04-11 | 四川金科环保科技有限公司 | CNG (Compressed Natural Gas) storage and transportation gas filling trailer |
| CN202598122U (en) * | 2012-06-06 | 2012-12-12 | 王信 | Compressed natural gas system and transport prying vehicle thereof |
-
2014
- 2014-12-31 CN CN201410854676.7A patent/CN105805543B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201093176Y (en) * | 2007-08-13 | 2008-07-30 | 王涌涛 | Intelligent natural gas filling substation |
| CN101793347A (en) * | 2010-04-13 | 2010-08-04 | 沈军 | Gas filling station |
| CN101992750A (en) * | 2010-10-27 | 2011-03-30 | 四川金科环保科技有限公司 | CNG delivery trailer structure suitable for single and double-line gas filling substations |
| CN102410442A (en) * | 2011-11-10 | 2012-04-11 | 四川金科环保科技有限公司 | CNG (Compressed Natural Gas) storage and transportation gas filling trailer |
| CN202598122U (en) * | 2012-06-06 | 2012-12-12 | 王信 | Compressed natural gas system and transport prying vehicle thereof |
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