CN101109482B

CN101109482B - Gas flow controller

Info

Publication number: CN101109482B
Application number: CN2006100993857A
Authority: CN
Inventors: 林槐泰
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-19
Filing date: 2006-07-19
Publication date: 2011-09-07
Anticipated expiration: 2026-07-19
Also published as: CN101109482A

Abstract

The invention relates to a gas flow controller, which comprises a base, a sealing plug and a metallic piece. The base is connected with a heating chamber, and an accommodating groove is provided inside; in the accommodating groove, an axially extended gas-intake channel is provided; and the accommodating groove is also provided with an exhaust channel for discharging air; the sealing plug is located in the base for limiting the gas flow in the gas-intake channel; the metallic piece is located in the accommodating groove of the base, and will push the sealing plug under different temperatures. Therefore, under heat, the metallic piece will push the sealing plug to limit the gas flow, so as to maintain temperature of the heating chamber.

Description

Gas flow controller

Technical field

The present invention relates to a kind of gas flow controller, be particularly related to a kind of temperature of detecting heating chamber, the flow of control burning gases keeps heating chamber to be in safe working temperature, and reaches the gas flow controller of saving the energy and unbroken effect of constructing.

Background technology

With reference to U.S. Patent number the 5th, 799, No. 648 " GAS POWERED HEATING DEVICE ", it comprises that mainly a main body 4, is located at the heating chamber 10 in the main body 4 and the controller 28 of a may command main body 4 predetermined temperatures.Described controller 28 is made up of a valve body 39, one first member 70, one second member 71 and a magnet 63.Described magnet 63 is located between described first member 70 and described second member 71.Described first member 70 is a thermomagnetic materials, and described second member 71 is a magnetic material, and more described second member 71 of the magnetic attraction of described first member 70 is big, so described at ordinary times first member 70 is to hold described magnet 63.When the temperature of main body 4 is too high, be that temperature is when arriving the predetermined temperature of first members 70 in the described controller 28, described first member 70 will lose magnetic attraction originally, make described magnet 63 be subjected to the magnetic attraction of second member 71 and rely on an end of described second member 71.This moment, described valve body 39 inlets 42 can be by described magnet 63 sealings, so the burning gases that described accumulator tank 23 is sent will be via throttling valve 29 flow nozzles 15.And, the combustion rate of heating chamber 10 is reduced because throttling valve 29 is only given nozzle 15 for disengaging a spot of gas, thus make the temperature of described main body 4 reduce gradually, but still can proceed processing.

Described existing structure still has the many places shortcoming in practicality, though because of throttling valve 29 has reduced the gas supply, effective complete closed gas.And in fact heating chamber 10 has had enough temperature and has constructed, need not to supply again burning gases so have the heating chamber 10 of working temperature, if gas is just wasted in the burning that continues, and also cause heating chamber 10 temperature to continue rising (just ascending velocity is slower), still might cause temperature too high because the working time crosses for a long time, and safety worries in the use is arranged, be not intimate design, so necessity of improvement is arranged.

Summary of the invention

The object of the present invention is to provide a kind of gas flow controller, the technical matters that its desire solves is to be, though the throttling valve of described existing structure has reduced the gas supply effective complete closed gas.And in fact heating chamber has had enough temperature and has constructed, need not to supply again burning gases so have the heating chamber of working temperature, if gas is just wasted in the burning that continues, and also cause the heating chamber temperature to continue rising (just ascending velocity is slower), still might cause temperature too high because the working time crosses for a long time, and safety worries in the use is arranged, be not intimate design, so urgently await improving.

For the above-mentioned purpose of practising, the invention provides a kind of gas flow controller, it includes pedestal, be to be connected with heating chamber, and, be provided with an axially extended air intake duct in the described tank, and described tank offers the exhaust duct that a supplied gas is released in addition in the interior tank that is provided with; Blocking is to be placed in the pedestal, in order to the gas flow of restriction air intake duct; Sheet metal, it is to be located in the tank of pedestal, described sheet metal is the pushing tow blocking under the different temperatures induction; By this, after described sheet metal is heated the pushing tow blocking is limited gas flow, to keep the temperature of heating chamber.

Description of drawings

Fig. 1 is connected in the three-dimensional appearance synoptic diagram of heating chamber for the present invention.

Fig. 2 is a three-dimensional exploded view of the present invention.

Fig. 3 is a longitudinal diagram of the present invention.

Fig. 4 is the view of the present invention under normal temperature.

Fig. 5 is the view of the present invention when predetermined temperature.

Fig. 6 is the view of the present invention under high temperature.

Fig. 7 is connected in the synoptic diagram of hair iron heating chamber for the present invention.

Description of reference numerals: 10 pedestals; 11 connecting portions; 111 air admission holes; 112 vent ports; 12 joint portions; 13 tanks; 131 exhaust ducts; 14 rooms; 141 abutting parts; 142 air intake ducts; 20 lids; 21 stoppers; 30 blockings; 31 clamping parts; 40 sheet metals; 90 heating chambers; 91 pipelines; 92 joints; 93 hair irons; 94 catalyst.

Embodiment

With reference to Fig. 1, be connected in the outside drawing of heating chamber 90 1 sides for gas flow controller of the present invention, gas flow controller of the present invention is the temperature that can detect heating chamber 90, the flow of control burning gases, keep heating chamber 90 to be in safe working temperature, and can reach the saving energy and unbroken advantage of constructing.

Please refer to Fig. 2 and Fig. 3 simultaneously, described pedestal 10 is sides that are connected in heating chamber 90, so that the effect of a conduction temperature to be provided.Described pedestal 10 is a circular ware shape, and described pedestal 10 convexes with a junction 11 in an end, and described pedestal 10 then is equipped with a joint portion 12 in contrast to an end of connecting portion 11.Described connecting portion 11 offers an air admission hole 111 that radially extends in a side, and a vent port 112 that is parallel to air admission hole 111.Gas pipeline 91 and joint 92 are established for connecing in described inlet and outlet hole the 111, the 112nd.

Described pedestal 10 is provided with the tank 13 of a circle in 12 inboards, described joint portion, described tank 13 centers offer a circular room 14, convex with the abutting part 141 of a taper in the described room 14, place, the axle center of described abutting part 141 offers an air intake duct 142 that extends axially and be communicated in air admission hole 111.All sides of described tank 13 then offer an axially extended exhaust duct 131 with respect to the position of vent port 112, and described exhaust duct 131 is to interlink with vent port 112.

Described lid 20 is a disc-shape, and it is to be incorporated into pedestal 10 in the joint portion 12 that all side rings of tank 13 are established, and and pedestal 10 between form an airtight relation.Described lid 20 then is equipped with a stopper 21 with respect to a side of tank 13.

Described blocking 30 is the rooms 14 that are placed in pedestal 10, in order to the gas flow of a restriction air intake duct 142 to be provided.Described blocking 30 has a clamping part 31, and described clamping part 31 is to be able to contact with abutting part 141 in the room 14, and forms an airtight conditions.Wherein, the clamping part 31 of described blocking 30 be contacted with abutting part 141 after, blocking 30 is to protrude in room 14.

Described sheet metal 40 is to be located in the tank 13 of pedestal 10, in order to the effect of a pushing tow blocking 30 to be provided.Described sheet metal 40 is a thin rounded flakes shape, and it is to be made by two kinds of metals with different heat expansion coefficient, so when being heated to predetermined temperature, will produce different volume changes, reaches the effect of temperature distortion.The peripheral region of described sheet metal 40 be can be after temperature distortion pushing tow in the stopper 21 of lid 20, and the center pushing tow that makes sheet metal 40 is in blocking 30.

With reference to Fig. 4, the view when being in normal temperature for gas flow controller of the present invention.After the user opens gas switch, burning gases will flow into air intake ducts 142 via air admission hole 111, and the small-bore design by air intake duct 142 can make burning gases spray to blocking 30, and pushes blocking 30 and sheet metal 40 to lid 20 1 sides.This moment, burning gases can enter in the vent port 112 via exhaust duct 131 by room 14 and tank 13, entered the action that heating chamber 90 burns and heats smoothly.

With reference to Fig. 5, the view when being in predetermined temperature (or working temperature) for gas flow controller of the present invention.After heating chamber 90 burns a period of times, temperature will rise gradually, and pedestal 10 is about to the sheet metal 40 of temperature conduction in tank 13 after receiving heat.Described sheet metal 40 reaches after the predetermined temperature, promptly begins to produce distortion, makes the stopper 21 of the peripheral region pushing tow of sheet metal 40 in lid 20, and the center pushing tow that makes sheet metal 40 is in blocking 30.

And this moment sheet metal 40 deflection also within setting range, so the clamping part 31 of blocking 30 closely is not contacted with abutting part 141 yet, still can and maintain the space between the room 14, pass through for the burning gases of trace by the burning gases of air intake duct 142 ejection.The burning gases of the exhaust duct 131 of flowing through will be reduced, and then reach the effect of control heating chamber 90 temperature.

With reference to Fig. 6, the view when being in high temperature for gas flow controller of the present invention.When for a long time heating chamber 90 being in to add hot work, the temperature of heating chamber 90 still can continue to raise, this temperature conducts to sheet metal 40 by pedestal 10, sheet metal 40 can produce bigger deflection, causes the stopper 21 of the periphery pushing tow of sheet metal 40 in lid 20, the center of sheet metal 40 then tightly pushing tow on blocking 30, clamping part 31 driving fits that force blocking 30 are on the abutting part 141 of room 14, reach airtight effect, effectively block air intake duct 142, the restriction burning gases enter.So heating chamber 90 can't be accepted burning gases again, no longer add hot work, and working temperature is got back in cooling that can be gradually.

And this moment, heating chamber 90 still was higher than working temperature owing to temperature, thus still can carry out construction operation, the unlikely integral construction progress that influences, and also have the effect that knot is economized burning gases.Treat temperature drop to design temperature after, the deflection of sheet metal 40 also will reduce, and promptly return back to the state as Fig. 5, continue supply microgravity combustion gas, to reach continual construction operation, be one quite to have the design of progressive.

With reference to Fig. 7, be connected in the synoptic diagram of hair iron 93 heating chambers for the present invention.Utilize gas flow controller of the present invention, use is when hair iron 93, temperature during its heating is unlikely to excessive lasting rising, so promptly can Yin Wendu too high and damage hair quality, the hazard event that also can avoid Yin Gaowen and scald user's scalp takes place, and hair iron 93 also can cooperate a catalyst 94 to use simultaneously, has more safe effect.

Can summarize the present invention with regard to the above and have following advantage:

1. the present invention " gas flow controller ", it is the temperature that can detect heating chamber, the flow of control burning gases keeps heating chamber to be in safe working temperature, and can reach the saving energy and unbroken advantage of constructing.

2. the present invention " gas flow controller ", when the temperature of its sheet metal sensing heating chamber is too high, promptly produce distortion and on abutting part that is packed in room that blocking is certain, form airtight relation, prevent that the heating chamber temperature from continuing to rise, not only can avoid hazard event to take place, and still can carry out construction operation.

3. the present invention " gas flow controller ", wherein the temperature of heating chamber drop to design temperature after, the deflection of sheet metal also will slightly reduce, promptly sustainable supply microgravity combustion gas is to reach continual construction operation.

Only the above, only be preferred embodiment of the present invention, when can not with qualification scope of the invention process, so the displacement of the change of numerical value or equivalent elements such as, or, all should still belong to the category that patent of the present invention contains according to equalization variation and modification that the present patent application claim is done.

Claims

1. a gas flow controller is characterized in that, includes:

Pedestal is to be connected with heating chamber, and in the interior tank that is provided with, be provided with an axially extended air intake duct in the described tank, and described tank offers the exhaust duct that a supplied gas is released in addition;

Blocking is to be placed in the pedestal, in order to the gas flow of restriction air intake duct;

Sheet metal, it is to be located in the tank of pedestal, described sheet metal is the pushing tow blocking under the different temperatures induction;

Offer the room that blocking is held in a confession that is connected with air intake duct in the described tank;

Convex with abutting part in the described room, described blocking then has clamping part, contacts with abutting part in the room to form airtight relation;

Described pedestal is provided with the joint portion in all side rings of tank, is combined with lid;

Described lid is provided with stopper with respect to a side ring of tank, and the peripheral region of described sheet metal is to be connected to stopper, and the center of described sheet metal is to be connected to blocking;

When heating chamber is within the working temperature, described sheet metal reaches after the predetermined temperature, promptly begin to produce distortion, the peripheral region pushing tow that makes sheet metal is in the stopper of lid, and makes the center pushing tow blocking of sheet metal, and the clamping part of blocking does not closely contact abutting part yet, by the burning gases of air intake duct ejection and maintain the space between the room, burning gases for trace pass through, and the burning gases of the exhaust duct of flowing through are reduced, and then reach the effect of control heating chamber temperature;

Heating chamber is in when being higher than working temperature, sheet metal produces bigger deflection, the periphery pushing tow that causes sheet metal is in the stopper of lid, the center of sheet metal is tightly pushing tow blocking then, the clamping part driving fit that forces blocking is on the abutting part of room, reach airtight effect, effectively block air intake duct, the restriction burning gases enter.

2. gas flow controller as claimed in claim 1, wherein said room are the centers that is positioned at tank.

3. gas flow controller as claimed in claim 2, wherein said sheet metal is made for the thermometal material.

4. gas flow controller as claimed in claim 3, wherein said sheet metal is rounded laminar, and tank is made as circle.

5. gas flow controller as claimed in claim 4, wherein said pedestal is provided with connecting portion in contrast to a side of tank, offers the air admission hole that interlinks with air intake duct on the described connecting portion, reaches the vent port that interlinks with exhaust duct.

6. gas flow controller as claimed in claim 5, wherein said air intake duct are the places, axle center that is located at room, and air admission hole then radially extends connecting portion, and described vent port is parallel to described air admission hole.