CN2481999Y

CN2481999Y - Flame auto-adjusting device for gas and fuel oil stove

Info

Publication number: CN2481999Y
Application number: CN 01237670
Authority: CN
Inventors: 钟显力
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-29
Filing date: 2001-04-29
Publication date: 2002-03-13
Anticipated expiration: 2011-04-29

Abstract

The utility model relates to a flame automatic regulating device for a fuel gas and fuel oil stove, the flame automatic regulating device comprises a bearing head 2 arranged on a stove head 1, and a fuel controlling device 10 under the sensory control of the bearing head 2. The fuel controlling device 10 is arranged on a fuel pipeline 9, the bearing head 2 corresponds to the switch on a switching circuit, the switching circuit is connected with a regulation controller, and the regulation controller is connected with the fuel controlling device 10. The device has energy saving, safety and explosion protection performances, the operation is convenient and flexible, the service life is long, and the utility model is suitable for the transformation of the stove, with strong versatility.

Description

Combustion vapour, Oil-burning range flame self-checking device

The utility model relates to a kind of energy saver of cooking stove, relates in particular to a kind of flame self-checking device that fires vapour, Oil-burning range.

At present, combustion vapour, Oil-burning range are extensive use of by family and unit.Usually, all have flame control apparatus on these cooking stoves, people are when preparing a meal, can be as required, manual adjustments is arranged on the control valve on cooking stove admission or inflow pipeline and the ventilation shaft, change required fuel flow rate and the intake of cooking stove burning, realize adjusting and control the cooking stove combustion flame.Because using these cooking stoves to prepare a meal not is a totally continuous process, also have many during this time such as the blanking time of washing pot, being equipped with dish, stir-frying etc., be fuel savings, the operator is general just by regulating admission or the oil inlet quantity and the intake control valve of cooking stove, make the combustion flame of cooking stove remain on less state, or simply make the fray-out of flame of cooking stove.But, if but be not very long very frequent blanking time during the culinary art, so repeatedly the combustion flame of cooking stove is regulated or lighted, extinguishes, and it is very inconvenient to manipulate.Especially the large and medium-sized cooking stove that uses of catering trade such as hotel, restaurant, flame is more prosperous during this cooking stove burning, required admission or oil mass and air output are bigger, for guaranteeing that cooking stove has sufficient air for burning, on the fuel channel of cooking stove and air supply duct, also be provided with manual fuel flow rate and air air quantity adjusting control valve, this cooking stove when carrying out with adjusted, simultaneously regulate fuel flow and air volume damper, it is more inconvenient to use.Therefore, in actual cooking process, as the wait at non-long-time interval, many operators generally do not adjust the flame of cooking stove or flame-out the processing, the very hot oven burning of leaving, thus a large amount of fuel is wasted.

At above this situation, the existing patent No. is 97245258.3 utility model patent, a kind of gas stove automaton is disclosed, this device is made up of gas circuit open and close valve, pressure bearing head, Pressure Actuated Device, igniter, described gas circuit open and close valve is arranged on the cooking stove air inlet pipe, and pressure bearing head links by Pressure Actuated Device and open and close valve and igniter.It can utilize the placement of heating object easily or withdraw burner, and without other action, just can realize the switching of gas stove gas circuit and the unlatching of igniter, to reach the effect of saving combustion gas.But, because this device adopts mechanically operated mode to realize its function, and the environment between most of kitchens is more abominable, the a large amount of water vapours that produce during as cooking operation and the fuel oil of oil smoke and volatilization, combustion vapour, on the one hand, they very easily stain the surface of the work that cooking stove is surperficial and this automaton exposes, and accumulate over a long period, and dirt just can be at the surface and the connection place bulk deposition thereof of parts; On the other hand, they also have certain corrosiveness to the metal surface of these device parts, and therefore, when this device used for a long time, its reliability, leakage explosion-proof and sensitivity all can progressively descend until using.Simultaneously, because therefore this no standby fuel channel of device and control device, when breaking down and can not get rid of immediately, also can influence the normal use of cooking stove; In addition, because this device adopts mechanical transmission structure, therefore, for the old cooking stove transformation of variety classes and specification, its versatility is also relatively poor.

The purpose of this utility model is to provide a kind of combustion vapour, Oil-burning range flame self-checking device, this device has the automatic regulatory function of flame, can save a large amount of fuel in use, easy to install, transformation and use applicable to all kinds of cooking stoves, simultaneously, even under rugged environment, use, also can guarantee the reliability and the sensitivity of this device for a long time.

Further purpose of the present utility model is to provide a kind of combustion vapour, Oil-burning range flame self-checking device, even this device also can be guaranteed the normal use of cooking stove under the situation of damaging or losing efficacy.

For realizing the purpose of this utility model, a kind of combustion vapour, Oil-burning range flame self-checking device, comprise the pressure bearing head that is arranged on the cooking stove head, reach fuel control unit by the pressure bearing head sensing control, fuel control unit is arranged on the fuel channel, described pressure bearing head is corresponding with the switch of an on-off circuit, and this on-off circuit and adjustment control link, and adjustment control and fuel control unit link.

For realizing further purpose of the present utility model, a kind of combustion vapour, Oil-burning range flame self-checking device, also have additional a bypass fuel channel on the next door of described fuel control unit, its up and down two ends respectively with fuel control unit up and down the fuel channel at two ends link, the bypass fuel pipeline is provided with a by-pass valve control that is used for regulate fuel flow.

The utility model has the advantages that: this device can be saved a large amount of fuel, and is flexible to operation, has the safety anti-explosive function, dependable performance, long service life; Can be applicable to various new and old cooking stove transformations, highly versatile; Have emergency function, this device possesses automatically and two kinds of functions of manual adjustments, even this device breaks down or damages, as long as turn off the power switch of controller, the by-pass valve control of regulating the bypass fuel pipeline just can make this cooking stove recover normal and use to maximum.

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is the structural representation of the utility model combustion vapour, Oil-burning range flame self-checking device;

Fig. 2 is the structural representation of this device adjustment control of the utility model and fuel control unit;

Fig. 3 is the structural representation of this device air quantity controller of the utility model;

Fig. 4 for Fig. 3 crank arm the part vertical view.

1, cooking stove head, 2, pressure bearing head, 3, lever, 4, magnetic switch, 5, fulcrum, 6, lead, 7, amplifying relay, 8, the time relay, 9, fuel channel, 10, fuel control unit, 11, fixed core, 12, the iron core of living, 13, back-moving spring, 14, solenoid, 15, ventilation shaft, 16, air quantity controller, 17, turning cylinder, 18, air door, 19, drawing magnetism, 20, back-moving spring, 21, crank arm 22, the bypass fuel pipeline, 23, by-pass valve control, 24, air blast.

As Fig. 1,2, shown in 3 and 4: a kind of combustion vapour, Oil-burning range flame self-checking device, comprise the pressure bearing head 2 that is arranged on the cooking stove head 1, pressure bearing head 2 is fixedly connected with the upper end of lever 3, the lower end of lever 3 is set with magnetic patch and relative with magnetic switch 4, the middle part of lever 3 and a fulcrum 5 hinges connection, fulcrum 5 is fixedly installed on the cooking stove, magnetic switch 4 and two leads 6 are formed on-off circuit, two leads 6 link with amplifying relay 7 and time relay 8, the time relay 8 is the controller of automatic regulate fuel flow and intake, fuel channel 9 is provided with fuel control unit 10, this device is by being arranged on the fixed core 11 in the fuel channel 9 and the iron core 12 of living, be arranged on the back-moving spring 13 between fixed core 11 and the iron core 12 alive, and the solenoids 14 that are arranged on outside the fuel channel 9 are formed, solenoid 14 links by the lead 6 and the time relay 8, ventilation shaft 15 is provided with air quantity controller 16, this air quantity controller 16 can be along the air door 18 of turning cylinder 17 rotations in the ventilation shaft 15 by being arranged on, the drawing magnetism 19 and the back-moving spring 20 that are arranged on ventilation shaft 15 outer walls are formed, turning cylinder 17 upper ends that are fixedly connected with air door 18 have been fixedly connected and have cranked arm 21, and crank arm 21 the end and the flexible end hinge of drawing magnetism 19 connect.Have additional a bypass fuel channel 22 on the next door of fuel control unit 10 fuel channels 9, it links with the fuel channel 9 at fuel control unit two ends about in the of 10 respectively at two ends up and down, bypass fuel pipeline 22 is provided with a manual control valve 23 that is used for regulate fuel flow, and the import department of ventilation shaft 15 is provided with air blast 24.

In the utility model, magnetic switch 4 can directly adopt the high voltage source of 220V to come 8 work of triggered time relay, at this moment, then can omit amplifying relay 7, promptly, with magnetic switch 4 by lead 6 directly and the time relay 8 link, but easily produce spark at the switch contact place when adopting high-tension electricity to trigger, safe handling to cooking stove is influential, therefore, in the utility model, the power supply on the magnetic switch 4 adopts low-tension supply, triggered time relay 8 again after amplifying relay 7 amplifies is to help the explosion-proof of this device and safe handling.Simultaneously, the time relay 8 also can be used the common relay that can not delay time instead.This installs in use, as long as turn on the power switch, the iron core alive 12 of fuel control unit 10 is in closed condition, and simultaneously, the air door of opening originally 18 is promptly closed.When pot is placed on the cooking stove, the bottom of a pan will be exposed to the pressure bearing head 2 of cooking stove head 1 and depress, the magnetic patch that is arranged on lever 3 other ends acts on mutually with magnetic switch 4, make the on-off circuit action, the low tension signal is after amplifying relay 7 amplifies, pass to the time relay 8 that links with it, the time relay 8 actions, the circuit of fuel control unit 10 is connected, make the circuitry cuts of air quantity controller 16 simultaneously, at this moment, solenoid 14 in the fuel control unit 10 makes the fixed core 11 in the fuel channel 9 and the iron core 12 of living all produce magnetic pull, and the iron core alive 12 in the fuel channel 9 moves upward with respect to fixed core 11, and back-moving spring 13 is compressed, fuel channel 9 is unlocked, and fuel flows to the combustion chamber through fuel channel 9; And the drawing magnetism 19 in the air quantity controller 16 disappears because of dead electricity magnetic force, back-moving spring 20 elastic returnings, make the flexible end of drawing magnetism 19 protruding, and drive to crank arm and 21 turning cylinder 17 and air door 18 are rotated, the air door 18 that is arranged in the ventilation shaft 15 is opened, air flows to combustion chamber and fuel mix through ventilation shaft 15, light flame after, cooking stove is fire burns greatly just.Otherwise, when pot leaves cooking stove, pressure bearing head 2 resets, the on-off circuit action, the time relay 8 makes solenoid 14 dead electricity of fuel control unit 10, and make air quantity controller 16 drawing magnetism 19 electric, at this moment, the magnetic force on the fixed core 11 and the iron core 12 of living disappears, back-moving spring 13 moves down iron core 12 alive, fuel channel 9 cuts out, simultaneously, drawing magnetism 19 electric after, its flexible end moves inward, back-moving spring 20 is compressed, and rotate together, ventilation shaft 15 is closed or turned down by crank arm 21 drive turning cylinders 17 and air door 18.In the utility model, the adjustment control of this device has adopted the time relay 8, and needs according to the user, generally the delay time of the time relay 8 can be adjusted to 2-3 second, its purpose mainly is for the convenience of the users when stir-frying dish, pot sometimes the short time withdraw the cooking stove table top, make flame be unlikely to diminish immediately or extinguish and influence and cook; Certainly, in the utility model, also can adopt the common relay of not being with delayer, but this device action is too frequent in use, influences user's operation.

In the utility model, be provided with a bypass fuel channel 22 on the next door of fuel control unit 10 fuel channels 9, bypass fuel pipeline 22 is provided with manual by-pass valve control 23, when normal the use, adjusting control valve door 23 makes the fuel in the bypass fuel pipeline 22 remain on minimum discharge, when pot left cooking stove, the fuel of this low discharge can keep the flame of cooking stove not extinguish, and can reduce unnecessary relight like this.And when cooking stove flame self-checking device breaks down or need not use, get final product the powered-down switch, at this moment, air door 18 in the ventilation shaft 15 is in opening, the iron core alive 12 of fuel control unit 10 is closed fuel channel 9, use this cooking stove as still continuing,, just can make this cooking stove recover normal the use and do not influence and prepare a meal as long as the by-pass valve control 23 that then will be arranged on the bypass fuel pipeline 22 is adjusted to maximum stream flow.Therefore, the adjusting device of this version can be guaranteed cooking stove in combustion vapour, Oil-burning range flame self-checking device fault or need not use the time, all can recover in the past performance and operate as normal.

In the utility model, the common cooking stove of tape drum blower fan is not installed transformation, only otherwise give a dinner for a visitor from afar amount control device 16, can reach above function and energy-saving effect equally.

Claims

1, a kind of combustion vapour, Oil-burning range flame self-checking device, comprise that the pressure bearing head (2) that is arranged on the cooking stove head (1) reaches the fuel control unit (10) by pressure bearing head (2) sensing control, fuel control unit (10) is arranged on the fuel channel (9), it is characterized in that: described pressure bearing head (2) is corresponding with the switch on the on-off circuit, this on-off circuit and adjustment control link, and adjustment control and fuel control unit (10) link.

2, a kind of combustion vapour according to claim 1, Oil-burning range flame self-checking device, it is characterized in that: described fuel control unit (10) is by being arranged on the fixed core (11) in the fuel channel (9) and the iron core (12) of living, be arranged on the back-moving spring (13) between fixed core (11) and the iron core alive (12), and being arranged on outer solenoid (14) composition of fuel channel (9), solenoid (14) links with the time relay (8).

3, a kind of combustion vapour according to claim 1 and 2, Oil-burning range flame self-checking device, it is characterized in that: described adjustment control also links with air quantity controller (16), and air quantity controller (16) is arranged on the ventilation shaft (15).

4, a kind of combustion vapour according to claim 3, Oil-burning range flame self-checking device, it is characterized in that: described air quantity controller (16) can be along the air door (18) of turning cylinder (17) rotation in the ventilation shaft (15) by being arranged on, the drawing magnetism (19) and the back-moving spring (20) that are arranged on ventilation shaft (15) outer wall are formed, and the flexible end of drawing magnetism (19) connects with (21) hinge of cranking arm that is fixedly installed on turning cylinder (17) upper end.

5, a kind of combustion vapour according to claim 4, Oil-burning range flame self-checking device, it is characterized in that: described pressure bearing head (2) is fixedly installed on the upper end of lever (3), the bottom of lever (3) is relative with the switch on the on-off circuit, the middle part of lever (3) and a fulcrum (5) be the hinge connection mutually, and fulcrum (5) is fixedly installed on the cooking stove.

6, a kind of combustion vapour according to claim 5, Oil-burning range flame self-checking device, it is characterized in that: described on-off circuit is made up of a magnetic switch (4) and two leads (6), bottom at lever (3) is set with magnetic patch, magnetic switch (4) is relative with the magnetic patch of lever (3) lower end, two leads (6) link with adjustment control, adjustment control adopts relay, and relay links with fuel control unit (10) and air quantity controller (16) respectively.

7, a kind of combustion vapour according to claim 6, Oil-burning range flame self-checking device is characterized in that: described relay adopts the time relay (8).

8, a kind of combustion vapour according to claim 7, Oil-burning range flame self-checking device, it is characterized in that: also be provided with amplifying relay (7) between the described magnetic switch (4) and the time relay (8), amplifying relay (7) links with magnetic switch (4) and time relay (8) respectively by lead (6).

9, a kind of combustion vapour according to claim 8, Oil-burning range flame self-checking device, it is characterized in that: the next door of described fuel control unit (10) also has additional a bypass fuel channel (22), the two ends up and down of bypass fuel pipeline (22) respectively with fuel control unit (10) up and down the fuel channel at two ends (9) link, bypass fuel pipeline (22) is provided with a manual control valve (23) that is used for regulate fuel flow.