CN1177080A - Safety device for gas apparatus and control method thereof - Google Patents
Safety device for gas apparatus and control method thereof Download PDFInfo
- Publication number
- CN1177080A CN1177080A CN97116170A CN97116170A CN1177080A CN 1177080 A CN1177080 A CN 1177080A CN 97116170 A CN97116170 A CN 97116170A CN 97116170 A CN97116170 A CN 97116170A CN 1177080 A CN1177080 A CN 1177080A
- Authority
- CN
- China
- Prior art keywords
- intermediate valve
- opening
- gas fitting
- gas
- valve
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
A gas apparatus safety device and control means are provided which includes an intermediate valve for opening and closing a flow passage for gas flowed in from the outside and an intermediate valve knob for opening and closing the intermediate valve, wherein it further includes a use detecting part for detecting whether or not the gas apparatus is in use, valve opening detection part for detecting the state of opening of the intermediate valve, a control part for judging the opening state of the intermediate valve while the gas apparatus is out of use by inputting signals detected by the use detection part and the valve opening detection part, and a valve driving part for closing the intermediate valve so as to interrupt the flow passage for gas supplied to the gas apparatus by the control of the control part.
Description
The present invention relates to a kind of gas fitting (gas apparatus) of making fuel with coal gas, particularly relate to a kind of safety device (safety device) and control method thereof that is used for gas fitting, this safety device can cut off the coal gas source automatically according to detecting the state that intermediate valve (intermediate valve) is in unlatching when gas fitting does not use.
Usually a rubber tube (rubber hose) 4 linked to each other as shown in Figure 1 with a middle gas pipe 2.The former is used for the gas that provides by middle gas pipe (interior gas pipe) 2 is supplied with gas fitting, and the latter installs for using gas fitting.
Between middle gas pipe 2 and rubber tube 4 intermediate valve button 6 is housed, so that this intermediate valve of On/Off, this intermediate valve is used for On/Off makes coal gas pass through the path (passage) that middle gas pipe 2 flows into rubber tubes 4.When the user uses gas fitting, open intermediate valve by rotating intermediate valve button 6 along the C direction; When the user does not use gas fitting, rotate intermediate valve button 6 along the D direction, then close this intermediate valve.
As mentioned above, the shortcoming of this traditional safety device of gas fitting is: because the opening of intermediate valve is accomplished manually, so after gas fitting uses, if the user does not close intermediate valve button 6, the danger of gas leakage is then arranged, therefore make the user feel uneasy.
Therefore the purpose of this invention is to provide a kind of safety device and control method thereof that is used on the gas fitting, this device is easy to use and can eliminate user's uneasiness, this is because when not using gas fitting, be in opening and can close coal gas source (supply of gas) automatically and send alarm signal simultaneously by detecting intermediate valve, thereby solved basically because the restriction of prior art and one or more problems that shortcoming is brought.
In order to achieve the above object, according to purpose of the present invention, a kind of safety device that is used for gas fitting is provided, as what in specification, specifically describe in detail, this gas fitting has the intermediate valve and the intermediate valve button that is used for the opening/closing intermediate valve that are used for opening/closing from the passage of outside inflow gas, and this device comprises:
Be used to detect the checkout gear whether gas fitting is using;
Be used to detect the opening of valves checkout gear of the opening of intermediate valve;
After receiving the signal that detects respectively by checkout gear and opening of valves checkout gear, when not using, gas fitting is used for determining the control device of intermediate valve as opening;
Control according to control device is used to close the valve drive of intermediate valve so that cut off the passage that coal gas is provided to gas fitting.
According to another aspect of the present invention, a kind of method of controlling gas fitting is provided, this gas fitting has and is used for opening/closing flows into the passage of coal gas from the outside intermediate valve, and this method comprises: following step:
Determine whether gas fitting uses;
Determine whether intermediate valve is in opening;
Calculate intermediate valve opening time and
When gas fitting does not use,, then close this intermediate valve by drive motor if the opening of intermediate valve continues one period scheduled time.
The instruction that other purpose of the present invention and advantage are passed through in conjunction with the embodiments the description in specification with reference to the accompanying drawings or put into practice by the present invention will become obvious.Objects and advantages of the present invention will realize by the combination of feature concrete in the claim of the present invention and they and reach.
One embodiment of the present of invention are described below, and specification is in conjunction with the accompanying drawings together as the explanation to the principle of the invention.
Brief Description Of Drawings:
Fig. 1 is a kind of schematic diagram of the traditional a kind of safety device that is used for gas fitting;
Fig. 2 is the schematic diagram according to the safety device that is used for gas fitting of the preferred embodiments of the present invention;
Fig. 3 is the motor among Fig. 2 and the combination schematic diagram of intermediate valve button;
Fig. 4 is the block diagram according to the safety device that is used for gas fitting of the preferred embodiments of the present invention;
Fig. 5 is the method flow diagram of safety device that is used to control gas fitting according to the preferred embodiments of the present invention.
Describe the preferred embodiment of the invention in detail below with reference to accompanying drawing.
With reference to figure 2, label 1 is represented the main body 1 of safety device, is used for being in opening by the detection intermediate valve when the gas fitting (not shown) does not use and cuts off the coal gas source automatically; Middle gas pipe 3 is used to receive the coal gas from outer side inflow, and its right half with main body 1 links to each other; Rubber tube 5 is used for the coal gas that transmits by middle gas pipe 3 is offered gas fitting, and its left part with main body 1 links to each other.
In addition, rotate under the magneticaction that permanent magnet 9 produces that it is installed on the part of main body 1 to reed (reed) switch 11 of ON/OFF, motor 13, be used for making intermediate valve button 7 turn to the opening/closing place according to the ON/OFF operation of this reed switch 11, this motor mounting is below main body 1.
Referring to Fig. 3, to combine with the axle part 15 of motor 13 by the driven wheel 17 that the power drive of motor 13 generations is rotated, driven wheel 19 is formed on the outer circumference surface of intermediate valve button 7.
Describe the structure of this gas fitting safety device in detail below with reference to accompanying drawing.
Referring to Fig. 4, whether checkout gear 50 detects gas fitting and is using.Opening of valves checkout gear 52 comprises and is used to detect the reed switch 11 that intermediate valve 64 is in the permanent magnet 9 of opening and turns to the ON/OFF position under the magneticaction that is produced by permanent magnet 9.
54 pairs of opening times by the intermediate valve 64 of opening of valves checkout gear 52 detections of timing means (timing means) calculate.When gas fitting does not use, control device 56 is behind the signal of receiving self-test device 50, signal and the timing time from timing means 54 from opening of valves checkout gear 52, determine whether intermediate valve 64 is opened, if the opening of this intermediate valve 64 has continued one period scheduled time, just control motor and close intermediate valve 64 automatically.
The control signal that buzzer drive unit 58 receives from control device 56, and drive buzzer 60, so that send the alarm signal that intermediate valve 64 is opened.The signal that motor drive 62 receives from control device 56 is controlled motor 13 then and is closed intermediate valve 64, the gas passage that gas pipe 3 is connected with rubber tube 5 in the middle of just closing.
Describe the control method of the safety device on the gas fitting that is used for the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Fig. 5 is the method flow diagram of safety device that is used to control gas fitting according to the preferred embodiments of the present invention, and wherein S represents operating procedure.
Referring to Fig. 5, whether control device 56 identification of power are added on the gas fitting, and when power supply was not added on the gas fitting, the operation before the repeating step 1 was so that keep gas fitting to be in stand-by state (step 1).
When the identification result power supply according to step S1 had been added on the gas fitting, whether checkout gear 50 detected gas fitting and is using, and the signal (step 2) after detection of control device 56 outputs.
So control device 56 differentiates after receiving the signal that checkout gear 50 detected whether gas fitting is using.When gas fitting in use, program turns back to step S1, and the operation below the repeating step S1.
According to the result of step S2, when gas fitting did not use, opening of valves checkout gear 52 detected intermediate valve 64 and whether opens (step 3).Control device 56 determines that according to receiving from the OFF signal of reed switch 11 intermediate valve 64 is opening, this is because if the user rotates intermediate valve button 7 by direction A shown in Figure 2, then permanent magnet 9 and reed switch 11 are thrown off, and reed switch 11 is put on the position of OFF.
According to the result of step 3, program does not turn back to step S2 when intermediate valve 64 is opened, and the operation of repeating step 2 fronts; When intermediate valve 64 was opened, timing means 54 just calculated (step 4) to the time that intermediate valve 64 is opened.
Then, when the opening time Tv of the intermediate valve 64 that is calculated by timing means 54 does not last till a scheduled time, this scheduled time, be that (T1 opens when intermediate valve by the time that sets in advance in the control device 56, time when gas fitting is not used simultaneously), then program turns back to step 4, and the operation below the repeating step S4, continues to calculate the opening time (step 5) of intermediate valve 64 simultaneously.
Result according to step 5, when the user does not use gas fitting, control device 56 determines that the user does not place intermediate valve 64 on the OFF position, if the time T v of this opening of valves has continued one section scheduled time T1, just to control signal of motor drive 62 outputs, so that cut off the source of the gas (step 6) that flows through intermediate valve 64.
So, control signal and drive motor 13 that motor drive 62 receives from control device 56.Intermediate valve button 7 is rotated along direction B, close intermediate valve 64, because the driven wheel 17 that is connected with the axle part 15 of motor 13 rotates simultaneously with the driving of motor 13, this driven wheel 17 meshes with the driven wheel 19 of intermediate valve button 7, makes driven wheel 19 rotate (step 7) whereby.
Whether opening of valves checkout gear 52 detects intermediate valve 64 and closes, that is, intermediate valve button 7 rotates under the driving of motor 13 and moves along direction B.Permanent magnet 9 contacts with reed switch 11, and reed switch 11 places the ON position under the magneticaction that permanent magnet 9 produces.Then, control device 56 receives the connection signal (ON-signal) of reed switch 11, and definite intermediate valve 64 cuts out (step 7).
According to the result of step 7, program does not turn back to step 6 when intermediate valve 64 cuts out, and the operation below the repeating step 6.When intermediate valve 64 cut out, control device 56 stopped drive motor 13 and to control signal of buzzer drive unit 58 output, so that send warning that intermediate valve 64 opened till intermediate valve 64 cuts out.So buzzer drive unit 58 receives one from the control signal of control device 56 outputs and produce alarm sound (step 8).
54 pairs of time of fire alarming of timing means calculate, program turns back to step S8, the operation of repeating step S8 back, simultaneously, when lasting till in control device 56 scheduled time of setting in advance (T2 be used for to the User Alarms intermediate valve be the time of opening) time, time of fire alarming Tb do not continue time of fire alarming is calculated (step 9).
According to the identification result of step S9, when time of fire alarming Tb lasted till scheduled time T2, the control signal of buzzer drive unit 58 response control apparatus 56 stopped the operation (step 10) of buzzer.
Then, control device 56 differentiates whether the power supply that is added on the gas fitting cuts off, and when power supply did not cut off, program turned back to step S2, and the operation of repeating step S2 front.Behind dump, EP (end of program), the stand-by state (step 11) of maintenance gas fitting.
As mentioned above, the effect of the method for the safety device that is used for gas fitting of the present invention and this device of control is: make the user easy to use, eliminate and worry,, send warning simultaneously because when gas fitting does not use, can automatically cut off the coal gas source by the opening that detects intermediate valve.
The those of ordinary skill of other embodiments of the invention in the present technique field is conspicuous after considering specification disclosed by the invention and practice; should be noted that; just as an example with explanation usefulness, real protection scope of the present invention and design are limited by claim of the present invention for specification and example.
Claims (7)
1. safety device that is used for gas fitting, this gas fitting has an intermediate valve, is used for opening/closing passage and intermediate valve button from outside inflow gas, is used for this intermediate valve of opening/closing, and this device comprises:
Whether checkout gear is used to detect gas fitting and uses;
The opening of valves control device is used to detect the opening of intermediate valve;
Control device after receiving the signal that is detected respectively by checkout gear and opening of valves checkout gear, when gas fitting does not use, is used for determining the opening of intermediate valve;
Valve drive is used to close intermediate valve so that cut off the passage that coal gas is provided to gas fitting according to the control of control device.
2. the safety device that is used for gas fitting as claimed in claim 1, wherein: also comprise warning device, be used for the state of opening to the User Alarms intermediate valve according to the control of controller.
3. the safety device that is used for gas fitting as claimed in claim 1, wherein: also comprise a timer, be used for the time of fire alarming of middle valve opening time and warning device is calculated.
4. the safety device that is used for gas fitting as claimed in claim 1, wherein: described opening of valves checkout gear comprises: a permanent magnet and a reed switch, switch is rotated the ON/OFF position under the magneticaction that this permanent magnet produces.
5. the safety device that is used for gas fitting as claimed in claim 1, wherein: when gas fitting did not use, if the opening time of intermediate valve lasts till a scheduled time, then control device control valve drive unit cut out intermediate valve.
6. the safety device that is used for gas fitting as claimed in claim 1, wherein said valve drive comprises:
The motor of intermediate valve is closed in a driving;
A driven wheel that rotates simultaneously with Motor Drive;
A driven wheel that meshes and be used to make the intermediate valve button to rotate with above-mentioned driven wheel.
7. method of controlling gas fitting, this gas fitting have and are used for the intermediate valve of opening/closing from the passage of outer side inflow coal gas, and this method comprises the steps:
Determine whether gas fitting uses;
Determine that whether intermediate valve is in opening;
Calculate intermediate valve opening time and
When gas fitting does not use,, then close this intermediate valve by drive motor if the opening of intermediate valve continues one period scheduled time.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR39305/96 | 1996-09-11 | ||
| KR1019960039305A KR19980020719A (en) | 1996-09-11 | 1996-09-11 | Gas safety device and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1177080A true CN1177080A (en) | 1998-03-25 |
Family
ID=19473356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97116170A Pending CN1177080A (en) | 1996-09-11 | 1997-08-08 | Safety device for gas apparatus and control method thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH1089680A (en) |
| KR (1) | KR19980020719A (en) |
| CN (1) | CN1177080A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451348A (en) * | 2022-09-15 | 2022-12-09 | 嵊州市金帝智能厨电有限公司 | Integrated stove for emergency alarm of gas leakage and use method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4788037B2 (en) * | 2000-12-27 | 2011-10-05 | 東邦瓦斯株式会社 | Gas meter |
| KR100862180B1 (en) * | 2007-03-02 | 2008-10-09 | 고진면 | Automatic apparatus for shutting off the supply of gas |
-
1996
- 1996-09-11 KR KR1019960039305A patent/KR19980020719A/en not_active Application Discontinuation
-
1997
- 1997-08-07 JP JP9213638A patent/JPH1089680A/en active Pending
- 1997-08-08 CN CN97116170A patent/CN1177080A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451348A (en) * | 2022-09-15 | 2022-12-09 | 嵊州市金帝智能厨电有限公司 | Integrated stove for emergency alarm of gas leakage and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980020719A (en) | 1998-06-25 |
| JPH1089680A (en) | 1998-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |