KR20130053567A - Failure diagnosis of apparatus valve for compressed natural gas - Google Patents

Failure diagnosis of apparatus valve for compressed natural gas Download PDF

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Publication number
KR20130053567A
KR20130053567A KR1020110118710A KR20110118710A KR20130053567A KR 20130053567 A KR20130053567 A KR 20130053567A KR 1020110118710 A KR1020110118710 A KR 1020110118710A KR 20110118710 A KR20110118710 A KR 20110118710A KR 20130053567 A KR20130053567 A KR 20130053567A
Authority
KR
South Korea
Prior art keywords
container valve
storage tank
insert connector
natural gas
compressed natural
Prior art date
Application number
KR1020110118710A
Other languages
Korean (ko)
Inventor
박연서
Original Assignee
현대자동차주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020110118710A priority Critical patent/KR20130053567A/en
Publication of KR20130053567A publication Critical patent/KR20130053567A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PURPOSE: A malfunction diagnosis device of a container valve for a compressed natural gas storage tank is provided to obtain safety of a storage tank by rapidly grasping malfunction of the container valve and by connecting a lead rod of an electricity tester device. CONSTITUTION: A malfunction diagnosis device of a container valve comprises a body(100), a rotation nut(200), an insert connector(300), and a line(400). A connection hole(330) is formed in the insert connector in order to connect a lead rod of an electricity tester device. One side of the line is connected to a contact terminal(335) of the connection hole. The other side of line is touched by a lower piston(75) according to movement of the lower piston of a control unit installed in a housing.

Description

Fault diagnosis device of container valve for compressed natural gas storage tank {FAILURE DIAGNOSIS OF APPARATUS VALVE FOR COMPRESSED NATURAL GAS}

The present invention relates to a failure diagnosis device for a container valve for compressed natural gas storage tank, and more particularly, a failure diagnosis device is installed on one side of the container valve, and the terminal of the electric tester is connected to the failure diagnosis device. The present invention relates to a device for diagnosing failure of a container valve for a compressed natural gas storage tank so as to quickly determine whether there is a failure.

Recently, efforts to develop alternative energy for petroleum energy have been actively made in various fields.

This is recognized not only in preparation for exhaustion of petroleum resources, but also as part of efforts to deal with the more serious problem of environmental pollution. It is emerging as a challenge.

Accordingly, automobile manufacturers around the world are making great efforts to develop automobiles using alternative energy that can significantly reduce the amount of harmful substances compared to gasoline or diesel, which is a conventional automobile fuel.

As part of this, research on CNG vehicles that use CNG gas (Compressed Natural Gas) as fuel is being actively conducted. In Korea, CNG vehicles that use CNG gas as fuel are being mass-produced.

Meanwhile, in the case of a vehicle using CNG gas as fuel, a plurality of storage tanks (fuel tanks) 10 storing CNG gas under the vehicle floor as shown in FIG. I am attached.

And, one side of these storage tanks (10) is equipped with a container valve 20 for filling or supplying fuel to the engine, the fuel valve 30 is connected to the container valve 20, the storage tank (10) Bars are connected in parallel by the fuel pipe 30, the CNG gas discharged from the storage tank 10 through the container valve 20 is supplied to the engine along the fuel pipe (30).

Figure 2 is a perspective view showing a schematic view of the container valve, the housing 40 of the container valve is a connector 50 coupled to the storage tank 10 and the fuel moving hole 60 is filled with fuel, the storage tank The control port 70 and the safety valve 80 for controlling the fuel movement into the interior of 10 and the discharge of the fuel contained in the storage tank 10 are provided.

3 is a cross-sectional view showing a state of a container valve coupled to a storage tank. Referring to FIG. 3, the control tool 70 will be described. The control tool 70 is coupled to the housing 40, but has an outer circumference. A main body (71) having a solenoid coil (72) formed thereon, an upper piston (73) installed above the inside of the main body (71) so as to be movable up and down by a spring member inside the main body (71), and the upper piston The lower piston is provided on the lower side of the 73 and the one end is in contact with the inner surface of the housing 40, but the lower piston is provided with a pinhole 76 is blocked by the blocking hole 74 provided at the end of the upper piston (73) It consists of 75.

Here, if the operation state of the control port 70 and the movement path of the gas fuel of the container valve 20 is briefly described, the magnetic force is generated in the solenoid coil 72 and the upper piston rises when the power is turned on. The rising of the upper piston 73 is possible with a small electromotive force.

In this case, when the lower room 78 is low pressure and the upper room 77 is high pressure, the lower piston 75 cannot be easily lifted up. At this time, gas flows into the pinhole inside the lower piston 75, and Due to the same pressure of the upper room 77 and the lower room 78, the lower piston 75 can be opened with a small force (electromotive force of the coil).

In addition, the gas fuel moved from the vessel valve 20 to the lower room 78 formed in the housing 40 is supplied to the engine via the upper room 77.

At this time, when the pinhole of the lower piston 75 is clogged or the container valve malfunctions due to a short circuit of the solenoid coil, the inside of the storage tank in which the failed container valve is installed is filled with high pressure gas for a long time without being discharged to the outside. If the state is maintained for a long time, the durability life of the storage tank is shortened and there is a problem of developing into an explosion accident of the container.

In addition, if any one of the container valves of the storage tanks in the plurality of storage tanks is broken, fuel is supplied from the remaining storage tanks to the engine, so starting is not turned off. There is a problem that cannot be grasped quickly.

The present invention was devised in view of the above circumstances, and an object of the present invention is to install a failure diagnosis device on one side of the container valve, and to use the electric tester to quickly determine the failure of the container valve compressed natural gas The present invention provides a failure diagnosis device for a container valve for a storage tank.

The present invention for achieving the above object is coupled to the housing side of the container valve body; An insert connector installed at one side of the body and having a connection hole connecting the terminals of the electric tester; And one side is installed to be connected to the connection hole of the insert connector, the other side is characterized in that it comprises a line which is installed in contact or non-contact in accordance with the movement of the lower piston of the control tool installed in the housing.

And, the screw is coupled to one side of the body further comprises a rotation nut for installing the insert connector in close contact with the body, the connection hole of the insert connector is provided with a contact terminal is connected to one side of the line.

According to the present invention as described above, by installing a failure diagnosis device on one side of the container valve, by connecting the lead rod of the electric tester to the failure diagnosis device to quickly determine whether the container valve failure to ensure the safety of the storage tank It can work.

1 is a perspective view illustrating a connection state of a storage tank, a container valve, and a connection pipe in which fuel is stored in a vehicle using CNG gas as fuel;
Figure 2 is a perspective view showing a schematic state of a conventional container valve,
3 is a cross-sectional view showing a conventional container valve coupled to the storage tank,
Figure 4 is a cross-sectional view showing a cross-sectional state of the container valve is installed fault diagnosis apparatus according to the present invention,
5 is an exploded cross-sectional view showing a disconnected state of the fault diagnosis apparatus according to the present invention;
6 is a schematic view showing when the vessel valve is in a normal state,
7 is a schematic view showing when a vessel valve is in a broken state.

Hereinafter, with reference to the accompanying drawings will be described in detail the failure diagnosis device for a container valve for compressed natural gas storage tank according to the present invention. Prior to this, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, the terms to be described later are terms set in consideration of functions in the present invention, and these terms may vary according to the intentions or customs of the producers or workers and the workers who produce the products, and the definitions of the terms are based on the contents throughout the present specification. Will have to be lowered.

In addition, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and the present invention does not represent all of the technical idea, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Figure 4 is a cross-sectional view showing a cross-sectional state of the container valve is installed fault diagnosis apparatus according to the present invention, Figure 5 is a separate cross-sectional view showing a separation state of the fault diagnosis apparatus according to the present invention.

The failure diagnosis device for a container valve for compressed natural gas storage tank according to the present invention is installed on one side of a conventional container valve, the body is coupled to the housing side of the container valve, the insert connector is installed on the body and the housing and the insert connector It consists of a line connected to.

The body 100 is a hollow type installed on one side of the housing 40 of the container valve 20, the outer periphery of the body 100 is formed with a screw thread for screwing the rotary nut 200 to be described later The upper periphery of the inner periphery of the stepped protrusion 110 is formed, and one side end of the body 100 is formed with an inclined surface 150 inclined in the inward direction of the body.

In addition, the insert connector 300 is fitted to one side of the body 100, the insert connector fitted to one side of the body 100 to the step 110 formed on the inside of the body 100 The end is caught.

At this time, the insert connector 300 is formed in the close contact surface 350 in close contact with the inclined surface 150 formed on the body 100, the inclined surface 150 of the body 100 and the insert connector 300 As the contact surface 350 is in close contact with each other, gas leakage from the inside of the housing 40 or air intrusion from the outside may be prevented.

In addition, an insertion hole 310 is formed at an outer circumference of the insert connector 300 to allow the locking jaw 210 of the rotary nut 200 to be described later to be inserted.

In addition, the insert connector 300 is formed with a connection hole 330 penetrating through both ends in the longitudinal direction of the insert connector, the insert connector 300 is formed in the insert connector in the state installed in the body 100 It is possible to connect the lead rod of the electrical tester to the connector 330.

That is, one side of the line 400 to be described later is connected to the connection hole 330, the end of the lead rod inserted when the lead rod of the electric tester is inserted into the connection hole 330 is connected to the connection hole 330 It is in contact with the end of (400).

Here, one side of the line 400 may be connected to the connection hole 330, but preferably, the contact terminal 335 is installed in the connection hole 330, and the line (300) is connected to the contact terminal 335. It would be desirable to connect one side of 400).

In addition, when the insert connector 300 is simply inserted into one side of the body 100, there may be a problem of detaching from one side of the body. In the present invention, the rotary nut 200 is installed on the body 100. By doing so, the separation of the insert connector 300 is prevented, and the insert connector 300 can be easily inserted into one side of the body 100.

That is, the rotary nut 200 is screwed to the outer periphery of the body 100 to install the insert connector 300 in close contact with the body 100, the one side of the rotary nut 200 A locking jaw 210 is inserted into an insertion hole 310 formed at an outer circumference of the insert connector 300.

Here, the state in which the insert connector 300 is coupled to one side of the body 100 using the rotary nut 200, the insert connector 300 is installed on one side of the rotary nut 200. After the locking jaw 210 formed in the rotation nut 200 is installed in the insertion hole 310 of the insert connector 300, the rotation nut 200 is rotated to rotate the rotation nut 200. Screw on one outer circumference. In this state, even though the rotation nut 200 is screwed to the outer circumference of the body 100, the insert connector 300 does not rotate so that the lines connected to the insert connector 300 are not twisted with each other. do.

On the other hand, the line 400 is one side is connected to the connection hole 330 of the insert connector 300 and the other side is connected to the inside of the housing, the line 400 is connected to the inside of the housing 40 The other side of the lower piston is installed in contact or non-contact according to the movement of the lower piston of the control tool installed in the housing 40.

That is, the control mechanism 70 installed in the housing 40 is coupled to the housing 40 as mentioned in the prior art, but the upper piston inside the main body 71 in which the solenoid coil 72 is formed on the outer circumference thereof. 73 and the lower piston 75 is installed, the lower surface of the lower piston 75 is in contact with the horizontal surface portion 90 in close proximity to the upper room 77 formed inside the housing 40 When the vehicle is started, the lower piston 75 rises while lifting the upper piston 73 so that the lower surface of the lower piston 75 is separated from the horizontal surface of the upper room 77 side. When the engine is turned off, the lower surface of the lower piston 75 is in contact with the horizontal surface portion 90 of the upper room 77 side.

Here, the other end of the line 400 is installed to protrude to the horizontal surface of the upper room 77 side that the lower surface of the lower piston 75 is in contact or non-contact. In this case, the other side of the line 400 installed in the housing 40 and detecting the contact or non-contact of the lower piston 75 may be insulated.

Looking at the operation and effect of the present invention configured as described above, when diagnosing the failure of the container valve 20 in the state in which the failure diagnosis apparatus according to the present invention is installed on one side of the container valve 20, starting of the vehicle Proceed with ON.

First, when the vehicle is turned on, electromotive force is generated in the solenoid coil formed in the body, and the upper and lower pistons 73 and 75 installed inside the control port of the container valve are raised by the generated electromotive force to raise the lower piston 75. The bottom surface is supplied with fuel to the engine in a state that is not in contact with the other end of the line 400, wherein the lead rod of the electrical tester is connected to the connection hole 330 formed in the insert connector 300 of the failure diagnosis device 6, it is possible to check the disconnection state through the tester as shown in FIG. 6, and in this case, the container valve may be determined to be normal.

However, when confirming the energized state through the tester as shown in Figure 7, it is a failure of the container valve to quickly replace the failed container valve.

As described above, a failure diagnosis device is installed on one side of the container valve, and the lead rod of the electric tester can be connected to the failure diagnosis device to quickly determine whether the container valve is broken, and thus the storage tank which can be generated due to the container valve not being opened. By checking the risk of shortening in advance, it is possible to ensure the safety of the high pressure vessel.

Although specific embodiments of the present invention have been described in detail, those skilled in the art will appreciate that various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined not only by the patent registration scope described later but by those equivalent to the claims.

Description of the Related Art
10: storage tank 20: container valve
30: fuel piping 40: housing
50: connector 60: fuel port
70: control unit 71: main body
72: solenoid coil 73: upper piston
74: blockage 75: lower piston
76: pinhole 77: upper room
78: lower room 100: body
110: step 150: slope
200: rotating nut 210: locking jaw
300: insert connector 350: contact surface
310: insertion hole 330: connector
335: contact terminal 400: track

Claims (4)

A body coupled to one side of the housing of the container valve;
An insert connector installed at one side of the body and having a connection hole connecting the lead rod of the electric tester; And
One side is installed to be connected to the connection hole of the insert connector, the other side is a line that the lower piston is installed in contact or non-contact according to the movement of the lower piston of the control tool is installed in the housing; compressed natural gas comprising a Fault diagnosis device of container valve for storage tank. The method of claim 1,
Screwed to one side of the body failure diagnosis device of the container valve for compressed natural gas storage tank further comprises a rotation nut for installing the insert connector in close contact with the body. The method of claim 1,
The other side of the line is a failure diagnosis device for a container valve for compressed natural gas storage tank, characterized in that the insulation treatment. The method of claim 1,
Connection hole of the insert connector is a failure diagnosis device of the container valve for compressed natural gas storage tank, characterized in that the contact terminal is connected to one side of the line is installed.
KR1020110118710A 2011-11-15 2011-11-15 Failure diagnosis of apparatus valve for compressed natural gas KR20130053567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110118710A KR20130053567A (en) 2011-11-15 2011-11-15 Failure diagnosis of apparatus valve for compressed natural gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110118710A KR20130053567A (en) 2011-11-15 2011-11-15 Failure diagnosis of apparatus valve for compressed natural gas

Publications (1)

Publication Number Publication Date
KR20130053567A true KR20130053567A (en) 2013-05-24

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KR1020110118710A KR20130053567A (en) 2011-11-15 2011-11-15 Failure diagnosis of apparatus valve for compressed natural gas

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109519696A (en) * 2018-11-09 2019-03-26 荆门宏图特种飞行器制造有限公司 A kind of tank body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109519696A (en) * 2018-11-09 2019-03-26 荆门宏图特种飞行器制造有限公司 A kind of tank body

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E601 Decision to refuse application