CN104101001A - Gas appliance with automatic safety ignition function - Google Patents
Gas appliance with automatic safety ignition function Download PDFInfo
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- CN104101001A CN104101001A CN201410352664.4A CN201410352664A CN104101001A CN 104101001 A CN104101001 A CN 104101001A CN 201410352664 A CN201410352664 A CN 201410352664A CN 104101001 A CN104101001 A CN 104101001A
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- gas
- expansion
- seesaw
- valve body
- ignition device
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Abstract
The invention discloses a gas appliance with an automatic safe ignition function, which comprises a combustor, a gas nozzle, a gas conveying pipe and an ignition device, wherein one end of the gas conveying pipe is connected with the combustor through the gas nozzle, the ignition device comprises a hot-surface igniter and an expansion valve, the hot-surface igniter is close to the combustor, the expansion valve comprises a temperature sensing bulb, a valve body and an expansion power guide pipe, the temperature sensing bulb is arranged on the hot-surface igniter and is connected with the valve body through the expansion power guide pipe, expansion liquid is filled in the temperature sensing bulb and the expansion power guide pipe, the valve body is provided with a gas inlet and a gas outlet, and the gas outlet of the valve body is connected with the other end of the gas conveying pipe. The invention can completely cut off the gas delivered to the gas delivery pipe, has no possibility of accidental extinguishment, can fully automatically reset and ignite, does not need manual reset, has high yield, is durable and low in use cost, and has no possibility of deflagration and high safety because the ignition device completely isolates the gas from electric heating.
Description
Technical field
The present invention relates to the technical field of gas utensil, more particularly, relate to a kind of gas utensil with automatic safe ignition function.
Background technology
Traditional gas utensil is generally made up of parts such as burner, gas nozzle, gas supply pipe and igniters, wherein, this igniter can form by add little fire kept burning day and night with the valve body of thermocouple, it is simple in structure, but this igniter cannot be cut off combustion gas completely, cannot accomplish constant temperature completely, be merely able to accomplish to slow down the speed of temperature rise, can not accomplish Full-automatic ignition.In addition, once ever-burning flame surprisingly extinguishes, only have and just can restart heating after hand-reset.
For this reason; on market, occur a kind ofly adding by carborundum surface ignition device the igniter that bimetal leaf safety valve forms; this igniter is cut off combustion gas completely; while accomplishing not need to heat, do not heat completely; avoid the unexpected possibility of extinguishing; but not resistant of carborundum surface ignition device; not water-fast; not anti-vibration; environment for use and transport protection require high, and fault rate is high, and bimetal leaf safety valve is high to the requirement on machining accuracy of bimetal leaf; generally only have at present Japanese import bimetal leaf just can reach requirement on machining accuracy, cost is high.In addition, the design shortcoming of bimetal leaf safety valve is that electrical heating and combustion gas are carried out in the space of same sealing, will have the possibility of detonation once there be spark to produce.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, a kind of gas utensil with automatic safe ignition function is provided, it can either cut off combustion gas and the full-automatic igniting that resets completely, can reduce again use cost, yield rate is high, durable, and security performance is high.
For achieving the above object, technical scheme provided by the invention is as follows: a kind of gas utensil with automatic safe ignition function, comprise burner, gas nozzle, gas supply pipe and igniter, one end of described gas supply pipe is connected with described burner by described gas nozzle, described igniter comprises surface ignition device and expansion valve, described surface ignition device is near described burner, described expansion valve comprises temperature-sensitive bag, the expansion power conduit that to described valve body, it is opened for the valve body of gas supply pipe described in opening/closing with for transmitting the bulbs of pressure, described temperature-sensitive packaging is located on described surface ignition device, described temperature-sensitive bag is connected with described valve body by described expansion power conduit, the inside of described temperature-sensitive bag and described expansion power conduit is filled with expanding liquid, described valve body has fuel gas inlet and gas outlet, the gas outlet of described valve body is connected with the other end of described gas supply pipe.
As preferably, in technique scheme, described valve body comprises valve shell, seesaw support, the first seesaw, the second seesaw, seesaw extension spring, outside protective covers, seal head, expansion force piece, diaphragm seal and diaphragm seal push rod, described fuel gas inlet and described gas outlet are opened in respectively on described valve shell, described seesaw support is installed in the inside of described valve shell, described the first seesaw is connected by described seesaw extension spring with described the second seesaw and is installed in respectively on described seesaw support, described seal head is installed in one end of described the second seesaw and can seals the gas outlet of described valve body, described outside protective covers is installed in the outer wall of described valve shell, described diaphragm seal is installed in the below, inside of described outside protective covers, described diaphragm seal push rod is connected with described diaphragm seal and through hole and described the first seesaw that can offer through described valve shell are supported mutually, described expansion force piece is installed in the inside of described outside protective covers and is connected with described expansion power conduit, the lower end of described expansion force piece contacts with described diaphragm seal push rod, described expansion force piece can make described diaphragm seal push rod move down after expansion.
As preferably, in technique scheme, described expansion force piece comprises the first bulge and the second bulge, and described the first bulge and described the second bulge are tightly connected, and between described the first bulge and described the second bulge, is filled with expanding liquid.
As preferably, in technique scheme, described valve body also comprises force piece adjusting screw(rod), and described force piece adjusting screw(rod) is connected with the screw top of described outside protective covers, and the upper end of described expansion force piece is installed on described force piece adjusting screw(rod).
As preferably, in technique scheme, it is silicon nitride surface ignition device or carborundum surface ignition device that described surface ignition device is set to.
Compared with prior art, beneficial effect of the present invention is:
Igniter of the present invention comprises surface ignition device and expansion valve, described expansion valve has the temperature-sensitive bag being connected with surface ignition device, the expansion power conduit that to described valve body, it is opened for the valve body of gas supply pipe described in opening/closing with for transmitting the bulbs of pressure, igniter of the present invention can be cut off the combustion gas being transported in gas supply pipe completely, while accomplishing not need to heat, do not heat completely, there is no the unexpected possibility of extinguishing, the full-automatic igniting that resets, do not need hand-reset, and because use expansion valve as force piece, yield rate is high, durable, long service life, use cost is low, in addition, this igniter is completely isolated combustion gas and electrical heating to separate in design, there is no the possibility of detonation, safer.
Brief description of the drawings
Fig. 1 is the structure diagram of the gas utensil with automatic safe ignition function of the present invention;
Fig. 2 is the structural representation of expansion valve of the present invention in off position time;
Fig. 3 is the structural representation of expansion valve of the present invention in the time of open mode.
Below in conjunction with drawings and Examples, the gas utensil with automatic safe ignition function of the present invention is described further.
Detailed description of the invention
Be below the preferred example of the gas utensil with automatic safe ignition function of the present invention, therefore do not limit protection scope of the present invention.
Please refer to Fig. 1, there is shown a kind of gas utensil with automatic safe ignition function, comprise burner 1, gas nozzle 2, gas supply pipe 3 and igniter, wherein, one end of gas supply pipe 3 is connected with burner 1 by gas nozzle 2.When concrete assembling, on gas nozzle 2, can be provided with screw thread, add after top nut, be arranged on the supporting bracket holes of burner 1.
Particularly; igniter comprises surface ignition device 4 and expansion valve 5; in this enforcement; it is silicon nitride surface ignition device that this surface ignition device 4 is preferably set to; silicon nitride surface ignition utensil has the advantages such as the wind of not being afraid of, resistant, water-fast, anti-vibration; there is no the unexpected possibility of extinguishing, less demanding with transport protection to environment for use, use cost is low.Certainly, the surface ignition device (for example: carborundum surface ignition device) that this surface ignition device 4 also can adopt other materials to be made, non-enforcement is limited.
When work, surface ignition device 4 can be inputted external voltage (12V～220V), produces heat with this.In this enforcement, surface ignition device 4 need to produce the high temperature of 1100 degrees Celsius.The high temperature of 1100 degrees Celsius only producing on surface ignition device 4 surfaces, just can produce enough expansion thrust, allows expansion valve 5 that burnt gas switch is opened.If surface ignition device 4 is damaged, do not produce the high temperature of 1100 degrees Celsius, now expansion valve 5 does not produce enough motive forces, and expansion valve 5 just can not be opened, and combustion gas can not discharge.In addition, when mounted, surface ignition device 4 needs near burner 1, can touch the heating surface of surface ignition device 4 when ensureing that combustion gas sprays in the burner port from burner 1, thereby light.
As shown in Figure 1, the expansion power conduit 53 that expansion valve 5 comprises temperature-sensitive bag 51, to valve body 52, it opened for the valve body 52 of opening/closing gas supply pipe 3 with for transmitting the bulbs of pressure, temperature-sensitive bag 51 is installed on surface ignition device 4, temperature-sensitive bag 51 is connected with valve body 52 by expansion power conduit 53, the inside of temperature-sensitive bag 51 and expansion power conduit 53 is hollow structure and is filled with expanding liquid, under normal conditions, the expanding liquid in temperature-sensitive bag 51 and expansion power conduit 5 is in balance and stability state.Preferably, in order to obtain a stable thermal environment that is not subject to external interference, can be installed on the basis of surface ignition device 4 an additional ceramic sleeve pipe again at temperature-sensitive bag 51.
In this enforcement, as shown in Figures 2 and 3, valve body 52 comprises valve shell 523, seesaw support 524, the first seesaw 525, the second seesaw 526, seesaw extension spring 527, outside protective covers 528, expansion force piece 529, seal head 5210, diaphragm seal 5211 and diaphragm seal push rod 5212, on valve shell 523, offer fuel gas inlet 521 and gas outlet 522, gas outlet 522 is connected with gas supply pipe 3, seesaw support 524 is installed in the inside of valve shell 523, the first seesaw 525 is connected by seesaw extension spring 527 with the second seesaw 526 and is installed in respectively on seesaw support 524, seal head 5210 is installed in one end of the second seesaw 526 and can seals the gas outlet 522 of valve body 52, outside protective covers 528 is installed in the outer wall of valve shell 523, diaphragm seal 5211 is installed in the below, inside of outside protective covers 528, diaphragm seal push rod 5212 is connected with diaphragm seal 5211 and through hole and the first seesaw 525 that can offer through valve shell 523 are supported mutually, expansion force piece 529 is installed in the inside of outside protective covers 528 and is connected with expansion power conduit 53, expansion force piece 529 is positioned at the top of diaphragm seal push rod 5212, the lower end of expansion force piece 529 is supported and is contacted with diaphragm seal push rod 5212.Concrete, expansion force piece 529 comprises the first bulge 5291 and the second bulge 5292, the first bulge 5291 and the second bulge 5292 are tightly connected, between the first bulge 5291 and the second bulge 5292, be filled with expanding liquid, expansion force piece 529 can make diaphragm seal push rod 5212 move down after expansion.
In this enforcement, seal head 5210 and diaphragm seal 5211 can be made up of silica gel material.Meanwhile, diaphragm seal 5211 and diaphragm seal push rod 5212 integrated injection moldings, diaphragm seal push rod 5212 is positioned at the center of diaphragm seal 5211.
In addition; for the convenient position that regulates expansion force piece 529; valve body 52 also comprises force piece adjusting screw(rod) 5213, and force piece adjusting screw(rod) 5213 is connected with the screw top of outside protective covers 528, and the upper end of expansion force piece 529 is installed on force piece adjusting screw(rod) 5213.Be the position of capable of regulating expansion force piece 529 in outside protective covers 528 inside by turning force piece adjusting screw(rod) 5213.
Operation principle of the present invention is as follows:
Under off working state, temperature-sensitive bag 51 does not sense the temperature that surface ignition device 4 produces, expansion force piece 529 does not move, the first seesaw 525 and the second seesaw 526 are pressed on seal head 5210 on the gas outlet 522 of valve shell 523 under the effect of seesaw extension spring 527, gas sealing, in valve shell 523, will be transported to the combustion gas in gas supply pipe 3 thereby cut off;
In working order, temperature-sensitive bag 51 senses the temperature that surface ignition device 4 produces, in the time reaching rated temperature, the bulbs of pressure that temperature-sensitive bag 51 produces pass to expansion force piece 529 by expansion power conduit 53, expansion force piece 529 moves down it at expansion pusher movable sealing film push rod 5212, diaphragm seal push rod 5212 presses down the first seesaw 525, make the second seesaw 526 and together action downwards of seesaw extension spring 527, in the time reaching certain distance, the active force that the second seesaw 526 is subject to seesaw extension spring 527 moves downwards, seal head 5210 is departed to the gas outlet 522 of valve shell 523, thereby combustion gas is discharged in valve shell 523, and be transported to burner 1 by gas supply pipe 3, in the time that combustion gas sprays from the burner port of burner 1, touching the high temperature surface that surface ignition device 4 produces will lighting by safety.
In sum, the present invention has automatic safe igniter, can cut off the combustion gas being transported in gas supply pipe completely, while having accomplished not need to heat, do not heat completely, there is no the unexpected possibility of extinguishing, the full-automatic igniting that resets, do not need hand-reset, yield rate is high, durable, and the life-span can reach more than 100,000 times, use cost is low, and this igniter is completely isolated combustion gas and electrical heating to separate in design, there is no the possibility of detonation, security performance is high.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (8)
1. one kind has the gas utensil of automatic safe ignition function, comprise burner (1), gas nozzle (2), gas supply pipe (3) and igniter, one end of described gas supply pipe (3) is connected with described burner (1) by described gas nozzle (2), it is characterized in that: described igniter comprises surface ignition device (4) and expansion valve (5), described surface ignition device (4) is near described burner (1), described expansion valve (5) comprises temperature-sensitive bag (51), the expansion power conduit (53) that to described valve body (52), it is opened for the valve body (52) of gas supply pipe (3) described in opening/closing with for transmitting the bulbs of pressure, described temperature-sensitive bag (51) is installed on described surface ignition device (4), described temperature-sensitive bag (51) is connected with described valve body (52) by described expansion power conduit (53), the inside of described temperature-sensitive bag (51) and described expansion power conduit (53) is filled with expanding liquid, described valve body (52) has fuel gas inlet (521) and gas outlet (522), the gas outlet (522) of described valve body (52) is connected with the other end of described gas supply pipe (3).
2. a kind of gas utensil with automatic safe ignition function according to claim 1, it is characterized in that: described valve body (52) comprises valve shell (523), seesaw support (524), the first seesaw (525), the second seesaw (526), seesaw extension spring (527), outside protective covers (528), expansion force piece (529), seal head (5210), diaphragm seal (5211) and diaphragm seal push rod (5212), described fuel gas inlet (521) and described gas outlet (522) are opened in respectively on described valve shell (523), described seesaw support (524) is installed in the inside of described valve shell (523), described the first seesaw (525) is connected by described seesaw extension spring (527) with described the second seesaw (526) and is installed in respectively on described seesaw support (524), described seal head (5210) is installed in one end of described the second seesaw (526) and can seals the gas outlet (522) of described valve body (52), described outside protective covers (528) is installed in the outer wall of described valve shell (523), described diaphragm seal (5211) is installed in the below, inside of described outside protective covers (528), described diaphragm seal push rod (5212) is connected with described diaphragm seal (5211) and through hole and described the first seesaw (525) that can offer through described valve shell (523) are supported mutually, described expansion force piece (529) is installed in the inside of described outside protective covers (528) and is connected with described expansion power conduit (53), the lower end of described expansion force piece (529) contacts with described diaphragm seal push rod (5212), described expansion force piece (529) can make described diaphragm seal push rod (5212) move down after expansion.
3. a kind of gas utensil with automatic safe ignition function according to claim 2, it is characterized in that: described expansion force piece (529) comprises the first bulge (5291) and the second bulge (5292), described the first bulge (5291) is tightly connected with described the second bulge (5292), between described the first bulge (5291) and described the second bulge (5292), is filled with expanding liquid.
4. a kind of gas utensil with automatic safe ignition function according to claim 2; it is characterized in that: described valve body (52) also comprises force piece adjusting screw(rod) (5213); described force piece adjusting screw(rod) (5213) is connected with the screw top of described outside protective covers (528), and the upper end of described expansion force piece (529) is installed on described force piece adjusting screw(rod) (5213).
5. a kind of gas utensil with automatic safe ignition function according to claim 2, is characterized in that: described seal head (5210) is set to silica gel sealing head, described diaphragm seal (5211) is set to silica gel sealing film.
6. a kind of gas utensil with automatic safe ignition function according to claim 2, is characterized in that: described diaphragm seal (5211) and described diaphragm seal push rod (5212) integrated injection molding.
7. according to a kind of gas utensil with automatic safe ignition function described in any one in claim 1～6, it is characterized in that: it is silicon nitride surface ignition device or carborundum surface ignition device that described surface ignition device (4) is set to.
8. a kind of gas utensil with automatic safe ignition function according to claim 7, is characterized in that: described surface ignition device (4) is set to produce the surface ignition device of 1100 celsius temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352664.4A CN104101001B (en) | 2014-07-23 | 2014-07-23 | Gas appliance with automatic safety ignition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352664.4A CN104101001B (en) | 2014-07-23 | 2014-07-23 | Gas appliance with automatic safety ignition function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104101001A true CN104101001A (en) | 2014-10-15 |
| CN104101001B CN104101001B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410352664.4A Active CN104101001B (en) | 2014-07-23 | 2014-07-23 | Gas appliance with automatic safety ignition function |
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| Country | Link |
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| CN (1) | CN104101001B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750518A (en) * | 2019-03-29 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Gas water heater |
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| GB757001A (en) * | 1953-07-10 | 1956-09-12 | Baker Perkins Ltd | Improvements in or relating to automatically regulated fuel supply systems |
| DE2049544B2 (en) * | 1969-10-08 | 1975-04-24 | Fa. Saunier Duval, Paris | Safety unit for gas appliances - has heat-sensitive fluid container connected to capsule with diaphragm forming gas inlet valve |
| CN2255564Y (en) * | 1996-04-29 | 1997-06-04 | 刘德胤 | Gas timing and self-closing device |
| CN2308105Y (en) * | 1997-08-06 | 1999-02-17 | 乐清市温控器有限公司 | Single-phase thermoregulator |
| CN2608849Y (en) * | 2003-03-11 | 2004-03-31 | 雷彼得 | All ceramic electrothermal body heating face igniter |
| CN2901092Y (en) * | 2005-07-26 | 2007-05-16 | 祝明久 | Gas supply valve of gas burning kitchen range and automatic control close device |
| CN201875762U (en) * | 2010-06-08 | 2011-06-22 | 国家燃气用具质量监督检验中心 | Constant-load gas pressure regulator |
| CN202328396U (en) * | 2011-11-29 | 2012-07-11 | 李少杰 | Medium-pressure automatic ignition gas furnace |
| CN203980360U (en) * | 2014-07-23 | 2014-12-03 | 东莞市海新金属科技有限公司 | A kind of gas utensil with automatic safe ignition function |
-
2014
- 2014-07-23 CN CN201410352664.4A patent/CN104101001B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB757001A (en) * | 1953-07-10 | 1956-09-12 | Baker Perkins Ltd | Improvements in or relating to automatically regulated fuel supply systems |
| DE2049544B2 (en) * | 1969-10-08 | 1975-04-24 | Fa. Saunier Duval, Paris | Safety unit for gas appliances - has heat-sensitive fluid container connected to capsule with diaphragm forming gas inlet valve |
| CN2255564Y (en) * | 1996-04-29 | 1997-06-04 | 刘德胤 | Gas timing and self-closing device |
| CN2308105Y (en) * | 1997-08-06 | 1999-02-17 | 乐清市温控器有限公司 | Single-phase thermoregulator |
| CN2608849Y (en) * | 2003-03-11 | 2004-03-31 | 雷彼得 | All ceramic electrothermal body heating face igniter |
| CN2901092Y (en) * | 2005-07-26 | 2007-05-16 | 祝明久 | Gas supply valve of gas burning kitchen range and automatic control close device |
| CN201875762U (en) * | 2010-06-08 | 2011-06-22 | 国家燃气用具质量监督检验中心 | Constant-load gas pressure regulator |
| CN202328396U (en) * | 2011-11-29 | 2012-07-11 | 李少杰 | Medium-pressure automatic ignition gas furnace |
| CN203980360U (en) * | 2014-07-23 | 2014-12-03 | 东莞市海新金属科技有限公司 | A kind of gas utensil with automatic safe ignition function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750518A (en) * | 2019-03-29 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Gas water heater |
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| Publication number | Publication date |
|---|---|
| CN104101001B (en) | 2016-07-06 |
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Address after: 523000 No. 1, Haixin Road, Hongmei Town, Dongguan City, Guangdong Province Patentee after: Guangdong Haixin intelligent kitchen Co.,Ltd. Address before: 523000 Yinghua Industrial Zone, lizhujiao village, Hongmei Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN HAIXIN METAL TECHNOLOGY Co.,Ltd. |