CN102809222B - Intelligent gas safety system - Google Patents
Intelligent gas safety system Download PDFInfo
- Publication number
- CN102809222B CN102809222B CN201210293821.XA CN201210293821A CN102809222B CN 102809222 B CN102809222 B CN 102809222B CN 201210293821 A CN201210293821 A CN 201210293821A CN 102809222 B CN102809222 B CN 102809222B
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- module
- valve
- housing
- security system
- linkage
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Abstract
The invention discloses an intelligent gas safety system. The safety system comprises a valve mechanical hand, which is installed on a kitchen valve, a probe device, which is installed on one side right above a kitchen gas cooker, a linkage device, which is in electric connection with a kitchen discharge air device and an external power supply, and a remote controller, which is installed on the kitchen discharge air device and starts the discharge air device through remote control, wherein the valve mechanical hand, the probe device, the linkage device and the remote controller are in connection through signals. Due to the adoption of the safety system, in normal air discharging, the remote controller starts a ventilation fan and/or a smoke exhaust ventilator through remote control so as to realize air discharging of the kitchen; and when the gas leaks indoors, the probe device gives out an alarm and controls the valve mechanical hand to close the valve, and meanwhile, the probe device controls the linkage device to start the ventilation fan and/or smoke exhaust ventilator for air discharging.
Description
Technical field
The present invention relates to a kind of security system, particularly relating to a kind of for preventing the intelligent safety system of gas leakage.
Background technology
Along with improving constantly of people's living standard, the equipment such as gas heater, gas-cooker has become the indispensable equipment of people, and it is very large convenient to bring to life.But while use combustion gas articles for use, also can produce the toxic gases such as carbon monoxide, severe patient is by threat to life.Therefore, ventilation good in holding chamber is needed when using gas-fired equipment.But some user is not well according to the standard operation of combustion gas use safety, also some user is when using gas-fired equipment, forgets ventilation, causes the generation of family's unfortunate event.
Also there is the fuel gas alarm used under emergency situation now, mainly contain two classes: one is, when detecting gas leakage, send sound and light alarm; Two is when detecting gas leakage, and the mode by line traffic control while sending sound and light alarm closes main gas valve.Although the duty of existing fuel gas alarm is more stable, there is following defect in actual use: 1. encounter the resident family that the sense of hearing is poor, as healthy poor in being getting in years, sound and light alarm does not probably realize.2. the mode of line traffic control, encounters renovated kitchen and is difficult to cabling.3. sound and light alarm reminds resident family, and closing main gas valve is cut off gas leakage from source.But leaked in kitchen, also going smoothly windows drains.
Summary of the invention
The object of the present invention is to provide a kind of intelligent gas security system, gas-fired equipment is used to cause potential safety hazard because forgetting maintenance room ventilation to solve people, and although existing fuel gas alarm has warning function, cannot the problem of automatic self-closing gas total valve.
To achieve these goals, the technical scheme that the present invention takes is:
A kind of intelligent gas security system, wherein, comprises
One valve mechanical, described valve mechanical is arranged on the valve of kitchen;
One probe apparatus, described probe apparatus is arranged on the side directly over kitchen gas stove;
One linkage, described linkage is electrically connected with kitchen ventilation device, and meanwhile, described linkage connects external power supply;
One remote controller, described remote controller is arranged on kitchen ventilation device, starts air exhausting device by remote controller described in Remote;
Described valve mechanical, described probe apparatus, described linkage are connected respectively by signal with described remote controller; When described probe apparatus detection kitchen produces gas leakage, described probe apparatus sends warning, and controls described valve mechanical valve-off, and meanwhile, described probe apparatus controls described linkage startup air exhausting device and carries out air draft.
Above-mentioned intelligent gas security system, wherein, described valve mechanical comprises a housing, the motor that the inside of described housing has a circuit board and is connected with described circuit board; Described housing has one for connecting the support arm of valve; Described housing arranges a tumbler, and described tumbler is connected with described motor, and described tumbler connects the handle of described valve rotationally; Further, described tumbler also has one handle arrangement for adjusting height.
Above-mentioned intelligent gas security system, wherein, described tumbler comprises the moving block that is positioned at described housing, and described moving block connects one stroke indicator collet, and described stroke indicator collet is connected with described housing, and described moving block is connected with described motor; Described moving block is also provided with one and pulls out arm, described in pull out arm head be connected along the handle of X-direction with described valve.
Above-mentioned intelligent gas security system, wherein, described handle height adjusting device comprises a bearing pin be connected with described moving block along Z-direction, and is sheathed on the spring on described bearing pin, described in pull out arm afterbody along Y direction rotationally with described pinned connection.
Above-mentioned intelligent gas security system, wherein, described probe apparatus comprises a housing, the transmitter module having the induction induction module of gas leakage, control module in described housing and be connected with external power supply switch, described induction module, is connected by signal between described control module and described transmitter module.
Above-mentioned intelligent gas security system, wherein, described housing has warning device, and described warning device is respectively buzzer and alarm lamp, buzzer and described alarm lamp described in described control module control connection.
Above-mentioned intelligent gas security system, wherein, described housing has timing node module, and described timing node module is connected with described control module.
Above-mentioned intelligent gas security system, wherein, described housing has reset switch.
Above-mentioned intelligent gas security system, wherein, the socket that described linkage comprises a control device and is electrically connected to each other with described control device, described control device has the plug for connecting external power supply socket; Described control device inside also has receiver module, control module and switch module, and described receiver module, described control module, described switch module are interconnected; Described receiver module signal controls described control module, and described control module controls described switch module.
Above-mentioned intelligent gas security system, wherein, the jack of described socket and described plug are mutually back to setting.
Above-mentioned intelligent gas security system, wherein, described air exhausting device is ventilating fan and/or smoke exhaust ventilator.
The present invention is owing to have employed above-mentioned technology, and the good effect making it compared with prior art to have is:
(1), during normal air draft, remote controller can be controlled by Remote and start ventilating fan and/or smoke exhaust ventilator carries out air draft to kitchen; When indoor generation gas leakage, probe apparatus can send warning, and by-pass valve control manipulator valve-off, meanwhile, probe apparatus controls linkage startup ventilating fan and/or smoke exhaust ventilator carries out air draft.
(2) use of moving block by rotating along X-direction, effectively making to pull out arm can the handle of rotating valve, makes valve open or closedown; By having the handle height adjusting device of bearing pin, effectively make the afterbody pulling out arm can rotate along Y direction, to adapt to the handle of the valve of differing heights.
(3) by the use of probe apparatus timing node module, probe apparatus is made can to control warning device after Preset Time and alarm lamp carries out sound and light alarm, warning people.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in the kitchen of installing intelligent gas security system of the present invention;
Fig. 2 is the schematic diagram of intelligent gas security system of the present invention composition;
Fig. 3 is another schematic diagram of intelligent gas security system of the present invention composition;
Fig. 4 is the schematic diagram of valve mechanical in intelligent gas security system of the present invention;
Fig. 5 is the block diagram of valve mechanical in intelligent gas security system of the present invention;
Fig. 6 is the schematic diagram of tumbler in Fig. 5;
Fig. 7 is the schematic diagram of probe apparatus in intelligent gas security system of the present invention;
Fig. 8 is the stereogram of linkage in intelligent gas security system of the present invention;
Fig. 9 is the schematic diagram of linkage in intelligent gas security system of the present invention.
In accompanying drawing: 1. valve mechanical; 11. housings; 12. circuit boards; 13. motors; 14 support arms; 15. moving blocks; 16. stroke indicator collets; 17. pull out arm; 18. bearing pins; 19. springs; 110. projection; 111. semi-circular structure; 112. strip board; 2. valve; 21. handles; 3. probe apparatus; 31. housings; 32. buzzers; 33. alarm lamps; 34. reset switches; 4. gas-cooker; 5. linkage; 51. control device; 52. sockets; 53. plugs; 54. jacks; 6. ventilating fan; 7. smoke exhaust ventilator; 8. remote controller.
Detailed description of the invention
The detailed description of the invention of a kind of intelligent gas security system of the present invention is provided below in conjunction with accompanying drawing.
Fig. 1 is the schematic diagram in the kitchen of installing intelligent gas security system of the present invention, and Fig. 2 is the schematic diagram of intelligent gas security system of the present invention composition, and Fig. 3 is another schematic diagram of intelligent gas security system of the present invention composition, refers to shown in Fig. 1, Fig. 2 and Fig. 3.Intelligent gas security system of the present invention, comprises a valve mechanical 1, and this valve mechanical 1 is arranged on the valve 2 in kitchen, opening and closedown with by-pass valve control 2.One probe apparatus 3, this probe apparatus 3 is arranged on the side directly over kitchen gas stove 4, and probe apparatus 3 also anon-normal, to gas-cooker 4, prevents the erroneous judgement of gas leakage with this.One linkage 5, this linkage 5 is connected with the air exhausting device in kitchen, and as ventilating fan 6 or smoke exhaust ventilator 7 etc., meanwhile, linkage 5 also connects external power supply.One remote controller 8, this remote controller 8 is arranged on air exhausting device, on the panel as smoke exhaust ventilator 7.When normal air draft, remote controller 8 can be controlled by Remote and start smoke exhaust ventilator 7 pairs of kitchens and carry out air draft.Meanwhile, valve mechanical 1, probe apparatus 3, be connected respectively by signal between linkage 5 and remote controller 8.When gas-cooker 4 produces leakage, probe apparatus 3 detects the leakage of combustion gas, and then probe apparatus 3 sends warning, and by-pass valve control manipulator 1 valve-off 2, meanwhile, probe apparatus 3 controls linkage 5 and starts air exhausting device ventilating fan 6 and/or smoke exhaust ventilator 7 carries out air draft.
The present invention also has following embodiment on the basis of the above:
In the first embodiment of the present invention, Fig. 4 is the schematic diagram of valve mechanical in intelligent gas security system of the present invention, Fig. 5 is the block diagram of valve mechanical in intelligent gas security system of the present invention, and Fig. 6 is the schematic diagram of tumbler in Fig. 5, please continue see shown in Fig. 1 to Fig. 6.Valve mechanical 1 includes a housing 11, and this housing 11 is a hollow structure, is provided with circuit board 12 and a motor 13 in the hollow structure of housing 11, and meanwhile, this circuit board 12 and this motor 13 are electrically connected to each other.Be fixedly installed a support arm 14 in the lower end of housing 11, this support arm 14 is for connecting valve 2.Also be provided with a tumbler in the lower end of housing 11, one end of this tumbler is connected with motor 13, and the other end of tumbler is connected with the handle 21 of valve 2.Control motor 13 by circuit board 12 to rotate, motor 13 drives tumbler, with this turning handle 21, valve 2 is opened or closed.Meanwhile, tumbler is also provided with one handle arrangement for adjusting height, the height of tumbler can be regulated by handle height adjusting device, adapt to the handle of the valve of differing heights with this.
In the second embodiment of the present invention, above-mentioned tumbler includes a moving block 15, and this moving block 15 is connected with one stroke indicator collet 16, and stroke indicator collet 16 is fixedly installed on the lower end of housing 11, motor 13 is connected with moving block 15, and motor 13 runs through stroke indicator collet 16 and moving block 15.Moving block 15 is also connected with one and pulls out arm 17, and the handle 21 of the head and valve 2 that pull out arm 17 is connected.Rotated by motor 13, making to pull out arm can along X-direction turning handle 21.
In the third embodiment of the present invention, handle height adjusting device includes a bearing pin 18, and this bearing pin 18 is connected along Z-direction with moving block 15, also includes a spring 19, and this spring 19 is set on bearing pin 18.Meanwhile, the afterbody pulling out arm 17 is connected with the two ends of bearing pin 18, and making to pull out arm 17 can rotate along Y direction, regulates with this handle according to differing heights valve.
In further embodiment of the present invention, being also symmetrically arranged with a projection 110 in the relative both sides of the head pulling out arm 17, making the handle 21 of valve 2 can be fastened between two projections 110, being with fixed handle 21 to rotate along X-direction with this by pulling out arm 17.
In further embodiment of the present invention, above-mentioned support arm 14 includes the surface that two semi-circular structure 111 with strip board 112, two strip board 112 of semi-circular structure 111 are fastened on valve 2 respectively, simultaneously, two strip board 112 are fixedly connected with the lower end of housing 1, with the position of this fixed valve 2.
In the fourth embodiment of the present invention, Fig. 7 is the schematic diagram of probe apparatus in intelligent gas security system of the present invention, please continue see shown in Fig. 1 to Fig. 3 and Fig. 7.Probe apparatus 3 includes a housing 31, and this housing 31 is hollow structure.Induction module (not shown), control module (not shown) and transmitter module (not shown) is respectively arranged with in the hollow structure of housing 31, induction module is used for whether having gas leakage in nernst cell, and transmitter module is used for transmitting a signal to linkage 5 or ventilating fan 6, smoke exhaust ventilator 7.And induction module, to be connected by signal between control module and transmitter module.
In the fifth embodiment of the present invention, induction module signal controls control module, and control module controls transmitter module.Housing 31 is provided with a warning device, and this warning device can be buzzer 32 and an alarm lamp 33, and for an actual production, buzzer 32 is 1Hz, and alarm lamp 33 is a red light.Control module is connected with warning device.When induction module senses that there is Leakage Gas indoor, instruction is sent to control module by signal, control module controls buzzer 32 and alarm lamp 33 sends sound and light alarm, warning people.
In the sixth embodiment of the present invention, housing 31 includes a timing node module (not shown), and this timing node module is connected with control module.Timing node module can Preset Time, and for an actual production, Preset Time is 25 seconds.When induction module senses that there is Leakage Gas indoor, timing node module was not reported to the police in 25 seconds, false alarm prevention; If indoor gas leaks and disappears after 25 seconds, then get back to induction detected state, if indoor gas leaks and does not disappear after 25 seconds, then control module control buzzer 32 and alarm lamp 33 carry out sound and light alarm, simultaneously, signal is sent to linkage 5 or ventilating fan 6, smoke exhaust ventilator 7 by transmitter module, closes main gas valve with this, and carries out air draft by ventilating fan 6 and/or smoke exhaust ventilator 7.
In the seventh embodiment of the present invention, housing 31 also includes a reset switch 34.After indoor gas leaks eliminating, manually reset reset switch 34 carries out system reducing to probe apparatus 3 automatically.
In the eighth embodiment of the present invention, Fig. 8 is the stereogram of linkage in intelligent gas security system of the present invention, and Fig. 9 is the schematic diagram of linkage in intelligent gas security system of the present invention, please continue see shown in Fig. 1 to Fig. 3 and Fig. 8, Fig. 9.Linkage 5 includes control device 51 and a socket 52, and this control device 51 and socket 52 interfix, and are connected by circuit, and control device 51 and socket 52 are connected to form a hexahedron structure.In the plug insertion socket 52 of ventilating fan 6 and/or smoke exhaust ventilator 7.Control device 51 includes a plug 53, and this plug 53 is for inserting the supply socket of ventilating fan 6 and/or smoke exhaust ventilator 7.The inside of control device 51 is also provided with receiver module (not shown), control module (not shown) and switch module (not shown), and receiver module, between control module and switch module, mutual signal connects.Receiver module signal controls control module, control module gauge tap module.The Leakage Gas instruction that receiver module sends for accepting probe apparatus 3, and instruction is sent in control module by signal, then control module again gauge tap module by power activation, to open ventilating fan 6 and/or smoke exhaust ventilator 7 carries out Air exhaust.
In the ninth embodiment of the present invention, the jack 54 of socket 52 and plug 53 are mutually back to setting.The linkage 5 with plug 53 1 end face is contacted with the supply socket of ventilating fan 6 and/or smoke exhaust ventilator 7, and the plug of ventilating fan 6 and/or smoke exhaust ventilator 7 can insert in the jack 54 of the relative other end of linkage 5, is convenient to plug and uses.
The above is preferred embodiment of the present invention, and not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an intelligent gas security system, is characterized in that, comprises
One valve mechanical, described valve mechanical is arranged on the valve of kitchen;
One probe apparatus, described probe apparatus is arranged on the side directly over kitchen gas stove;
One linkage, described linkage is electrically connected with kitchen ventilation device, and meanwhile, described linkage connects external power supply;
One remote controller, described remote controller is arranged on kitchen ventilation device, starts air exhausting device by remote controller described in Remote;
Described valve mechanical, described probe apparatus, described linkage are connected respectively by signal with described remote controller; When described probe apparatus detection kitchen produces gas leakage, described probe apparatus sends warning, and controls described valve mechanical valve-off, and meanwhile, described probe apparatus controls described linkage startup air exhausting device and carries out air draft;
Described valve mechanical comprises a housing, the motor that the inside of described housing has a circuit board and is connected with described circuit board; Described housing has one for connecting the support arm of valve; Described housing arranges a tumbler, and described tumbler is connected with described motor, and described tumbler connects the handle of described valve rotationally; Further, described tumbler also has one handle arrangement for adjusting height;
Described tumbler comprises the moving block that is positioned at described housing, and described moving block connects one stroke indicator collet, and described stroke indicator collet is connected with described housing, and described moving block is connected with described motor; Described moving block is also provided with one and pulls out arm, described in pull out arm head be connected along the handle of X-direction with described valve;
Described handle height adjusting device comprises the bearing pin that is connected with described moving block and is set in the spring on described bearing pin, described in pull out arm afterbody along Y direction rotationally with described pinned connection.
2. intelligent gas security system according to claim 1, it is characterized in that, described probe apparatus comprises a housing, the transmitter module having the induction induction module of gas leakage, control module in described housing and be connected with external power supply switch, described induction module, is connected by signal between described control module and described transmitter module.
3. intelligent gas security system according to claim 2, it is characterized in that, described housing has warning device, and described warning device is respectively buzzer and alarm lamp, buzzer and described alarm lamp described in described control module control connection.
4. intelligent gas security system according to claim 3, it is characterized in that, described housing has timing node module, and described timing node module is connected with described control module.
5. intelligent gas security system according to claim 2, it is characterized in that, described housing has reset switch.
6. intelligent gas security system according to claim 1, it is characterized in that, the socket that described linkage comprises a control device and is electrically connected to each other with described control device, described control device has the plug for connecting external power supply socket; Described control device inside also has receiver module, control module and switch module, and described receiver module, described control module, described switch module are interconnected; Described receiver module signal controls described control module, and described control module controls described switch module.
7. intelligent gas security system according to claim 6, it is characterized in that, the jack of described socket and described plug are mutually back to setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210293821.XA CN102809222B (en) | 2012-08-17 | 2012-08-17 | Intelligent gas safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210293821.XA CN102809222B (en) | 2012-08-17 | 2012-08-17 | Intelligent gas safety system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102809222A CN102809222A (en) | 2012-12-05 |
| CN102809222B true CN102809222B (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210293821.XA Expired - Fee Related CN102809222B (en) | 2012-08-17 | 2012-08-17 | Intelligent gas safety system |
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| Country | Link |
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| CN (1) | CN102809222B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20130689A1 (en) * | 2013-04-26 | 2014-10-27 | Elica Spa | VENTILATION SYSTEM FOR A LOCAL. |
| CN103512057A (en) * | 2013-10-11 | 2014-01-15 | 天津市浦海新技术有限公司 | Combined cooking stove and safety control system thereof |
| CN104676688A (en) * | 2014-03-11 | 2015-06-03 | 胡光南 | Environment-friendly range hood |
| CN106765818A (en) * | 2016-12-07 | 2017-05-31 | 佛山市艾臣智能门窗科技有限公司 | Healthy kitchen |
| CN109058490A (en) * | 2018-09-10 | 2018-12-21 | 铜陵爱阀科技有限公司 | A kind of Intelligent anti-leakage Gas-combustion valve |
| CN109828546A (en) * | 2019-03-25 | 2019-05-31 | 王建疆 | A kind of building integrated control method, apparatus and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219410Y (en) * | 1994-10-24 | 1996-02-07 | 姚志容 | Automatic closing device for fuel gas leakage |
| CN2594672Y (en) * | 2003-01-13 | 2003-12-24 | 王希培 | Household intelligent gas safety system |
| CN2878967Y (en) * | 2006-03-01 | 2007-03-14 | 陈剑 | Natural gas leakage automatic processing device |
| CN2909022Y (en) * | 2005-09-21 | 2007-06-06 | 叶克斌 | Automatic controller of remote control gas stove |
| CN201651512U (en) * | 2009-07-21 | 2010-11-24 | 谢平 | Improved series ball valve control manipulator |
| CN201946091U (en) * | 2011-03-10 | 2011-08-24 | 陆红彩 | Combustible-gas leakage automatic alarm device |
| CN102357883A (en) * | 2011-09-30 | 2012-02-22 | 朱延清 | Manipulator for holding and positioning eccentric shaft |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030004177A (en) * | 2002-11-09 | 2003-01-14 | 대경전자기업(주) | Apparatus and control method for automatically shutting gas valve on locking of door-lock |
| WO2009154367A2 (en) * | 2008-06-19 | 2009-12-23 | Park Jin Seong | Automatic gas shut-off device |
-
2012
- 2012-08-17 CN CN201210293821.XA patent/CN102809222B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219410Y (en) * | 1994-10-24 | 1996-02-07 | 姚志容 | Automatic closing device for fuel gas leakage |
| CN2594672Y (en) * | 2003-01-13 | 2003-12-24 | 王希培 | Household intelligent gas safety system |
| CN2909022Y (en) * | 2005-09-21 | 2007-06-06 | 叶克斌 | Automatic controller of remote control gas stove |
| CN2878967Y (en) * | 2006-03-01 | 2007-03-14 | 陈剑 | Natural gas leakage automatic processing device |
| CN201651512U (en) * | 2009-07-21 | 2010-11-24 | 谢平 | Improved series ball valve control manipulator |
| CN201946091U (en) * | 2011-03-10 | 2011-08-24 | 陆红彩 | Combustible-gas leakage automatic alarm device |
| CN102357883A (en) * | 2011-09-30 | 2012-02-22 | 朱延清 | Manipulator for holding and positioning eccentric shaft |
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| Publication number | Publication date |
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| CN102809222A (en) | 2012-12-05 |
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Granted publication date: 20150114 Termination date: 20190817 |