CN202083444U - High-low flow integrated CNG on-site verification system - Google Patents

High-low flow integrated CNG on-site verification system Download PDF

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Publication number
CN202083444U
CN202083444U CN2011200749394U CN201120074939U CN202083444U CN 202083444 U CN202083444 U CN 202083444U CN 2011200749394 U CN2011200749394 U CN 2011200749394U CN 201120074939 U CN201120074939 U CN 201120074939U CN 202083444 U CN202083444 U CN 202083444U
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CN
China
Prior art keywords
rapid
cng
acting coupling
connecting pipe
anger
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Expired - Fee Related
Application number
CN2011200749394U
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Chinese (zh)
Inventor
傅斌
黄庭剑
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CHONGQING JUCHUANG METERING EQUIPMENT CO LTD
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CHONGQING JUCHUANG METERING EQUIPMENT CO LTD
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Priority to CN2011200749394U priority Critical patent/CN202083444U/en
Application granted granted Critical
Publication of CN202083444U publication Critical patent/CN202083444U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a high-low flow integrated CNG (Compressed Natural Gas) on-site verification system. The on-site verification system comprises a connecting detection device, a signal receiving device and a microcomputer device, wherein the connecting detection device comprises a gas charging pillar inlet quick connector, a gas charging pillar outlet quick connector, a gas dispenser outlet quick connector and a globe valve; the signal receiving device comprises a pulse signal receiving circuit and a data transmission circuit; the pulse signal receiving circuit is used for receiving and counting pulse signals sent by a mass flow meter, so as to obtain mass signals; and the data transmission circuit is used for transmitting the mass signals to the microcomputer device. The high-low flow integrated CNG on-site verification system solves the problem that a present conventional verification system is too simple and can only achieve the basic verification display function, forms a perfect system for software control, data processing and certificate printing, and has the advantages of powerful functions, good controllability and high verification speed.

Description

The incorporate CNG on-site proving of small-large flow system
Technical field
The utility model relates to CNG utility appliance field, and the particularly a kind of CNG of being used for filling machine, CNG add/verification system of the on-site proving of (unloading) gas column.
Background technology
Along with day by day popularizing of rock gas, for the accuracy of the CNG gas station of refueling and CNG filling machine is directly connected to trade both sides' interests, the measurement verification of filling machine just becomes a vital problem.
The on-site proving mode of CNG filling machine mainly adopts method of standard table at present, and compressed natural gas is through the admission car gas cylinder of being annotated by calibrating filling machine, standard set-up.Adopt the control system and the data processing of this method of standard table calibrating simply can only satisfy the most basic calibrating Presentation Function, do not form the complete calibrating control system of a series of flow processs such as calibrating, data processing and certificate printing.
Simultaneously, the flow range of its calibrating is narrower, can only carry out the calibrating of CNG filling machine trade settlement, can not satisfy trade settlement equipment CNG to the gas station level to add/calibrating of (unloading) gas column.
Summary of the invention
In view of this, the purpose of this utility model provides the incorporate CNG on-site proving of a kind of small-large flow system, not only can finish a series of complete programs such as calibrating, data processing, simultaneously, the flow range broad of its calibrating, except filling machine, can also add CNG/(unloading) gas column examines and determine.
The purpose of this utility model is achieved through the following technical solutions:
The incorporate CNG on-site proving of this small-large flow system comprises joint detection device, signal receiving device and microcomputer device;
Described joint detection device comprises and adds gas column air inlet rapid-acting coupling, adds gas column give vent to anger rapid-acting coupling, filling machine give vent to anger rapid-acting coupling and stop valve, wherein, described add gas column air inlet rapid-acting coupling and add the gas column rapid-acting coupling of giving vent to anger be connected by connecting pipe I, give vent to anger rapid-acting coupling and stop valve of described filling machine is connected by connecting pipe II, is provided with mass flowmeter on described connecting pipe I and the connecting pipe II;
Described signal receiving device comprises pulsed signal circuit and data transmission circuit, described pulsed signal circuit is used for the pulse signal and the pulse signals of the transmission of quality of reception flowmeter to be counted, thereby obtain count signal, described data transmission circuit is used for count signal is sent to microcomputer device.
Further, described joint detection device also comprises the protection object, casing and rear box before described protection housing is divided into, separate by guidance panel between the two, described air inlet rapid-acting coupling, add gas column give vent to anger rapid-acting coupling and the stop valve of rapid-acting coupling, filling machine of giving vent to anger and all be arranged on the guidance panel, described connecting pipe I, connecting pipe II and mass flowmeter are arranged on rear box inside;
Further, described data transmission circuit adopts the USB conversion interface circuit;
Further, it is the stainless-steel tube of Φ 19 that described connecting pipe I adopts internal diameter, and it is the stainless-steel tube of Φ 6 that described connecting tube II adopts internal diameter;
Further, described on-site proving system also comprises printing equipment, and the printer interface of described printing equipment and microcomputer device links.
The beneficial effects of the utility model are:
1. to have solved present conventional verification system too simple for the utility model, can only realize examining and determine substantially this present situation of Presentation Function, formed a cover sophisticated software control, data processing and certificate print system, and it is powerful, and handling good, calibrating speed is fast;
2. the utility model has enlarged the flow range of calibrating, not only can realize the calibrating of CNG filling machine, can also realize adding/on-site proving of (unloading) gas column that its range of application has obtained expansion.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following instructions and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is used for the connection diagram of filling machine on-site proving for the utility model;
Fig. 2 is the procapsid schematic internal view of joint detection device;
Fig. 3 is the back casing schematic internal view of joint detection device.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in the figure, the incorporate CNG on-site proving of small-large flow of the present utility model system, it comprises joint detection device 1, signal receiving device 2 and microcomputer device 3;
The joint detection device comprises and adds gas column air inlet rapid-acting coupling 11, adds gas column give vent to anger rapid-acting coupling 12, filling machine give vent to anger rapid-acting coupling 13 and stop valve 14, wherein, add gas column air inlet rapid-acting coupling 11 and add the gas column rapid-acting coupling 12 of giving vent to anger and be connected by connecting pipe I 15, give vent to anger rapid-acting coupling 13 and stop valve 14 of filling machine is connected by connecting pipe II 16, is provided with mass flowmeter 4 on connecting pipe I 15 and the connecting pipe II 16; As further improvement; in order to protect correlator member; this joint detection device also comprises protection housing 5; casing and rear box before described protection housing is divided into; separate by guidance panel 6 between the two; described air inlet rapid-acting coupling 11, add gas column give vent to anger rapid-acting coupling 13 and the stop valve 14 of rapid-acting coupling 12, filling machine of giving vent to anger and all be arranged on the guidance panel 6, connecting pipe I 15, connecting pipe II 16 and mass flowmeter 4 are arranged on rear box inside.Pipeline adopts two-circuit design single loop to select to use, and satisfies filling machine respectively, adds gas column and discharge column carries out the on-site proving requirement.In the present embodiment, it is the stainless-steel tube of Φ 19 that connecting pipe I adopts internal diameter, and it is the stainless-steel tube of Φ 6 that described connecting tube II adopts internal diameter, thereby makes the calibrating flow of device reach 0.3-60Kg/min.In addition, significant points adopts π type support to support.
In the present embodiment, signal receiving device comprises pulsed signal circuit 7 and data transmission circuit 8, described pulsed signal circuit 7 is used for the pulse signal and the pulse signals of the transmission of quality of reception flowmeter to be counted, thereby obtain count signal, data transmission circuit 8 is used for count signal is sent to microcomputer device 3.Wherein, data transmission circuit adopts the USB conversion interface circuit.
As further improvement, the on-site proving system also comprises printing equipment, and the printer interface of printing equipment and microcomputer device links;
As further improvement, connect the monitoring station and just also comprise tensimeter 9, before being arranged on, tensimeter 9 on the top blind flange of casing, is used to measure admission pressure.
1. value testing
This device adopts the mode of method of standard table series connection calibrating to carry out the CNG filling machine and add/on-site proving of (unloading) gas column.At first the air filling gun of CNG filling machine is inserted the filling machine air inlet stop valve of calibrating installation before the calibrating, the filling machine rapid-acting coupling of giving vent to anger connects air filling gun, opens stop valve then.Open the verification system software of computer, start the starting switch of filling machine, the air filling gun that will be connected calibrating installation then inserts the automobile gas cylinder and opens air filling gun valve valve 2 and bottle valve valve 3 carries out aerating.In the process of calibrating, the pulse signal that mass flowmeter produces sends to signal receiving device, pulsed signal circuit 7 is sent into microcomputer device with count value by data transmission circuit 8 after pulse signal is counted, and microcomputer device shows aerating quality and aerating volume in real time.After treating that aerating receives, add tolerance input microcomputer device with what show on the filling machine, microcomputer device calculates automatically, qualifiedly to whether makes judgement, and this calibrating recorded and stored is provided with the back inquiry in computing machine.Calibrating installation is connected between tested filling machine and the metering gas bomb in the process of calibrating, and the gaseous mass m1 that therefore flows through tested filling machine equates during with the gaseous mass m2 that flows through calibrating installation, i.e. the error of indication:
Native system adopts pipeline to adopt two-circuit design single loop to select the method for designing of using, and calibrating gas flow rate is 0.3-60Kg/min, be well positioned to meet the CNG filling machine and add/and the on-site proving of (unloading) gas column is to the requirement of flow velocity.When the on-site proving of carrying out CNG filling machine and adding/(unloading) gas column is switched, only need change corresponding air filling gun and close or open stop valve.
2. voltage-limiting protection inspection
According to the method for value testing, finishing the pressure of back observation calibrating installation tensimeter 9 for the gas cylinder aerating when the admission pressure of filling machine is higher than 20MPa, is that voltage-limiting protection is qualified if be not higher than 20MPa.
3. leak check
As shown in Figure 4, according to the method for value testing pipeline is connected, shut-off valve 2 is opened the pressure value P 1 that tested filling machine is noted tensimeter 9, notes pressure value P 2 again after closing filling machine gas admittance valve certain hour then.If it is that leak check is qualified that the value of P1 and P2 does not almost change.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (6)

1. the incorporate CNG on-site proving of small-large flow system is characterized in that: described on-site proving system comprises joint detection device (1), signal receiving device (2) and microcomputer device (3);
Described joint detection device comprises and adds gas column air inlet rapid-acting coupling (11), adds gas column give vent to anger rapid-acting coupling (12), filling machine give vent to anger rapid-acting coupling (13) and stop valve (14), wherein, described add gas column air inlet rapid-acting coupling (11) and add gas column give vent to anger rapid-acting coupling (12) by connecting pipe I(15) be connected, described filling machine is given vent to anger rapid-acting coupling (13) and stop valve (14) by connecting pipe II(16) be connected described connecting pipe I(15) and connecting pipe II(16) on be provided with mass flowmeter (4);
Described signal receiving device comprises pulsed signal circuit (7) and data transmission circuit (8), described pulsed signal circuit (7) is used for the pulse signal and the pulse signals of quality of reception flowmeter (4) transmission to be counted, thereby obtain count signal, described data transmission circuit (8) is used for count signal is sent to microcomputer device.
2. the incorporate CNG on-site proving of small-large flow according to claim 1 system; it is characterized in that: described joint detection device also comprises protection housing (5); casing and rear box before described protection housing (5) is divided into; separate by guidance panel (6) between the two; describedly add gas column air inlet rapid-acting coupling (11); add the gas column rapid-acting coupling (12) of giving vent to anger; give vent to anger rapid-acting coupling (13) and stop valve (14) of filling machine all is arranged on the guidance panel (6) described connecting pipe I(15); connecting pipe II(16) and mass flowmeter (4) be arranged on rear box inside.
3. the incorporate CNG on-site proving of small-large flow according to claim 1 and 2 system is characterized in that: described data transmission circuit adopts the USB conversion interface circuit.
4. the incorporate CNG on-site proving of small-large flow according to claim 3 system is characterized in that: it is the stainless-steel tube of Φ 19 that described connecting pipe I adopts internal diameter, and it is the stainless-steel tube of Φ 6 that described connecting tube II adopts internal diameter.
5. the incorporate CNG on-site proving of small-large flow according to claim 3 system is characterized in that: described on-site proving system also comprises printing equipment, and the printer interface of described printing equipment and microcomputer device links.
6. the incorporate CNG on-site proving of small-large flow according to claim 1 and 2 system, it is characterized in that: described joint detection device also comprises tensimeter (9), before being arranged on, described tensimeter (9) on the top blind flange of casing, is used to measure admission pressure.
CN2011200749394U 2011-03-21 2011-03-21 High-low flow integrated CNG on-site verification system Expired - Fee Related CN202083444U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200749394U CN202083444U (en) 2011-03-21 2011-03-21 High-low flow integrated CNG on-site verification system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200749394U CN202083444U (en) 2011-03-21 2011-03-21 High-low flow integrated CNG on-site verification system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387339A (en) * 2015-10-20 2016-03-09 重庆巨创计量设备股份有限公司 CNG field calibrating device, system and method
CN106641719A (en) * 2017-02-08 2017-05-10 邢台中测仪器设备有限公司 Liquefied natural gas dispenser calibrating device and method
CN110726459A (en) * 2019-09-11 2020-01-24 张家港氢云新能源研究院有限公司 Hydrogenation machine on-site verification device and method
CN111912502A (en) * 2020-08-18 2020-11-10 江西省天然气管道有限公司 Connecting device for metering and detecting gas filling column of gas filling station

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387339A (en) * 2015-10-20 2016-03-09 重庆巨创计量设备股份有限公司 CNG field calibrating device, system and method
CN106641719A (en) * 2017-02-08 2017-05-10 邢台中测仪器设备有限公司 Liquefied natural gas dispenser calibrating device and method
CN110726459A (en) * 2019-09-11 2020-01-24 张家港氢云新能源研究院有限公司 Hydrogenation machine on-site verification device and method
CN111912502A (en) * 2020-08-18 2020-11-10 江西省天然气管道有限公司 Connecting device for metering and detecting gas filling column of gas filling station
CN111912502B (en) * 2020-08-18 2022-10-18 江西省天然气管道有限公司 Connecting device for metering and detecting gas filling column of gas filling station

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

Address after: 401329 Chongqing Jiulongpo Baishiyi town Hailong Village 8

Patentee after: Chongqing Juchuang Metering Equipment Co.,Ltd.

Address before: 401120, No. 9, Yubei District Airport Industrial Park, Chongqing

Patentee before: Chongqing Juchuang Metering Equipment Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111221

Termination date: 20160321