CN2351676Y

CN2351676Y - Photoelectric control gas combustion stove

Info

Publication number: CN2351676Y
Application number: CN 98217981
Authority: CN
Inventors: 方精详
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-08-09
Filing date: 1998-08-09
Publication date: 1999-12-01
Anticipated expiration: 2008-08-09

Abstract

The utility model relates to a photoelectric control gas combustion stove which is provided with an electromagnetic gas opening device, an electrical pulse ignition device, an electronic timing flame-out device, a photoelectric control flame-out and gas cut device, and an acoustic-optic warning device. The control mechanism and the air source power of the stove are arranged at the front and the back of the stove, which is convenient for installing operation. The stove can automatically open gas and ignite through operating control buttons, the stove can automatically cut off fire and give an alarm when the fire combusts to a set time, and the stove can automatically cut off the fire and give an alarm in 5 seconds regardless how the flame-out is resulted in after the ignition. The cooking of the utility model can obtain economic security automation effect and good social benefit. The utility model has the characteristics that reliability is high and large scale producing is easy to be realized because the stove is composed of a mature cooker and optoelectronic devices.

Description

Photo-electric control type gas-cooker

The utility model is a kind of photo-electric control type gas-cooker (hereinafter to be referred as kitchen range), and it is applied to combustion gas cooking economic security automation control.

Advanced gas-cooker on the market now has only the automatics of piezoelectric ceramics and electronic ignition, all can not implement effectively the combustion gas with behind fire time and the accident extinguishing of combustion gas cooking and control automatically.With in the fire, the untimely and accident extinguishing of Chang Yinguan fire causes the different waste combustion gas of degree, burns out uneconomical, unsafe problems such as food in cooking.

In order to solve above-mentioned existing problems, Chinese F24C3/12ZL942302303 patented technology has installed the prompting of electronic timing sound equipment additional and has closed device of air on gas-cooker.Though the problems referred to above are made moderate progress, fail to solve uneconomical, unsafe subject matter.

The purpose of this utility model is will provide a kind of to have timing automatic pass fire to report to the police and the automatic gas-cooker that closes automatics such as gas warning in flame-out back, solves above-mentioned existing uneconomical, unsafe problem.

The purpose of this utility model is to be used in to install electromagnetism on the gas-cooker additional and open gas, and electric pulse igniting, electronic timing close (this method also is used in the control of gas fired-boiler security personnel automation) that fire, the flame-out method of closing gas, acousto-optic warning automatic controls of photo-electric control are realized.Set up with the fire time with the needs of different cooking, dial infrared optic-electric detects technique and point to the duration and degree of heating center that will use, operation control button, kitchen range are just automatically opened the gas igniting; Fire burns is to setting up time, and kitchen range just closes fire automatically reports to the police; No matter why cause flame-outly after the igniting, close gas in the kitchen range 5 seconds automatically and report to the police.When using fire,,, can not cause any uneconomical, unsafe problem because the timing automatic fire that closes of kitchen range closes the effect of gas automatically with stopping working even if flame-out away from meeting accident behind the scene yet.

Because this kitchen range is to constitute the characteristic that reliable operation, good endurance is arranged and accomplish scale production easily with ripe gas kitchen ranges and photoelectric device.

Concrete structure of the present utility model is provided by the following drawings:

Accompanying drawing 1 is the basic circuit diagram of the utility model kitchen range.

Accompanying drawing 2 be the utility model kitchen range just wait the side shaft side view.

Accompanying drawing 3 is A-A cutaway views of accompanying drawing 2.

Accompanying drawing 4 is cutaway views of infrared optic-electric detects technique (32).

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

The schematic circuit of accompanying drawing 1 kitchen range of describing comprises: power rectifier circuit 1, acousto-optic warning circuit 2, electromagnetism are run pneumoelectric distance 3, electric pulse firing circuit 4, the flame-out pneumoelectric road 5 of photo-electric control, electronic timing pass gas flameout circuit 6.Hereinafter all Fig. 2, Fig. 3, Fig. 4 and Fig. 1 add with piece number with the element of title and draw together Fu Jian and show.

Attaching plug XS (21) in the circuit 1 inserts the supply socket of 220V50Hz, press energize locking press button SB1 (10), alternating current enters rectifier bridge ZL through its contact and current limiting capacitance C1, the direct current of ZL output is through capacitor C 2 filtering, by moving disconnecting point K2, the dropping resistor R1 of relay, give circuit 2 and circuit 5 power supplies; By resistance R 2, capacitor C 3, music triode VT1, buzzer B and connect the warning device that constitutes and get electricly, send melody or speech chimes of doom, cue circuit 1 is connected, and treats the operation igniting; Electric current, is in VT2 and treats conducting state to storage capacitor C5 charging with through the base stage of current-limiting resistance R3 to transistor VT2 by the limit feedback diode V2 in the circuit 5; Press compound button SB2SB3 (11), the electric energy stack that the electric energy of ZL output and C2 store is by the moving together contact of SB2, the coil of magnetic valve YV (18), circuit 2, circuit 5 and the circuit 6 giving and connect with contact are powered, the current-limiting resistance R4 of electric current in circuit 2 supplies with the operating current of light emitting diode V3, V3 is luminous, and display circuit 3, circuit 4, circuit 5 and circuit 6 get electric work; The phototriode VT3 of circuit 5 and the colelctor electrode of transistor VT2 are simultaneously, the VT2 conducting, the relay coil K that connects the VT2 emitter stage gets electric adhesive, the contact of K2 disconnects in the circuit 5, the police that disappears of circuit 2 dead electricity, C5 stop charging, and the YV in the circuit 3 opens valve, and the contact that meets the K1 at SB2 two ends closes and closes self-locking, and VT3 treats photoelectricity bias current conducting; Alternating current in the circuit 1 gives capacitor C 4 chargings by the moving together contact of commutation diode V1, SB3 in the circuit 4 and the lead of connection break contact; When SB3 discharges, the electric energy that C4 stores is through the primary coil discharge to the ignition transformer T that connects C4 of the break contact of SB3, the T secondary coil produces the high voltage pulse electric energy, be defeated by ignitor (12) (13) in the aciculiform porcelain insulator (30) (31) through lead, produce the gap discharge spark with duration and degree of heating (2) (4), light the combustion gas of flowing out duration and degree of heating (2) (4) through magnetic valve (18), tracheae (26), duration and degree of heating air cock (3) (5); Place the circular tungsten silk screen above (2) (4), under the effect of stove heat energy, discharge the infrared ray of a great deal of, photoelectric sensor (32) converts photoelectric current to after receiving, and supplies with the bias current of VT3, succeed the work of C5, no matter make the work of VT3 be controlled by the pyroelectric infrared photoelectric current that converts to, be to extinguish or other reasons interrupts the pyroelectric infrared source of photoelectric sensor because of stove, can both cause VT2, VT3 to quit work, the YV dead electricity is closed valve, finishes flame-out work of in time closing gas automatically; Enter the direct current in the circuit 6, potentiometer RP1, the RP2 of filtering and series connection give capacitor C 7 chargings once more through capacitor C 6, when the voltage Vc of C7 rises to the bank pressure Vp of single crystals pipe VT4, VT4 conducting (time that Vc rises is controlled by the resistance modulation of RP1, RP2), transistor VT5 obtains the bias voltage conducting by the base stage of VT4, circuit behind the short circuit current-limiting resistance R7, the terminal voltage of K is dropped to be caused below the operating point resetting, the YV dead electricity closes that valve is flame-out, B reports to the police, and finishes regularly to close the flame-out work of reporting to the police of gas; Close the electricity alert power cut-off that disappears by SB1 (10).

With reference to accompanying drawing 2 and accompanying drawing 3, install compound button SB2SB3 (11), light emitting diode V3 (16), the power supply locking press button switch S B1 (10) that is used to out the gas igniting additional at the middle part of kitchen range (1) front panel, be provided with dial between timing (7) (9) below the knob (6) (8) of hand switch gas handle (17), setting up time, (6) (8); On the disk of duration and degree of heating (2) (4), add pyroelectric infrared tungsten silk screen (14) (15) on kitchen range (1), the infrared optic-electric detects technique (32) of adjustable variable-azimuth is equipped with at the middle part on edge, front.Because regulation device is to be installed in before and after the kitchen range (1) and top middle part, and the characteristic of being convenient to stove regulation and control and supervision is arranged.Power-line plug (21) and suction nozzle (19) are passed by the trailing flank of kitchen range (1), and (19) are solid by nut (20) bolt; Power supply and compressed air source unit are installed in the middle part of kitchen range rear side, have the easy-to-install characteristic; The outlet side of magnetic valve (18) connects with tracheae (26); Hand-operated valve (22) connects the neck at (18) two ends by connecting tube (23), and the afterbody of switch gas handle (24) is mounted with round bar shaped steel drive link (25), and switch gas handle (17) connects the termination that drive link (25) passes panel; The plastics of dress circuit printing plate close (27), are fastened in tracheae (26) by plastic clip (29), screw (28), and aciculiform porcelain insulator (30) (31) is passed by the centre bore of duration and degree of heating (2) (4); (30) tungsten filament ignitor (12) (13) is equipped with at the center of (31).Above-mentioned device is owing to be the middle part that is installed at kitchen range (1) inner chamber, has to avoid smoke fire and burn characteristic with the foreign object loss.Before with fire or in, come up against power failure, the cooking of available hand switch gas handle (17) switch gas with fire.

With reference to accompanying drawing 4, infrared optic-electric detects technique (32) is to be made of plastic casing (33), phototriode VT3 (34), base (35), hold-down screw (36) sheet glass (37).

Claims

1. photo-electric control type gas-cooker, it is characterized in that being installing additional on the gas-cooker (1) one and run by power circuit 1, acousto-optic warning circuit 2, electromagnetism that pneumoelectric distance 3, electric pulse firing circuit 4, photo-electric control are flame-out closes the photo-electric control mechanism that pneumoelectric road 5, electronic timing circuit 6 constitute, its regulation device device is the middle part of the front and back that are installed in kitchen range (1), top and inner chamber.

2. photo-electric control according to claim 1 mechanism, the moving together contact that it is characterized in that button SB2 in the circuit 3 meets positive pole (+) and the electromagnetic valve coil FD of power rectifier electric bridge ZL, the normally opened contact K1 of relay, be connected to the moving together contact of SB2, for opening the pneumoelectric road; The commutation diode D1 of circuit 4 connects the moving together contact of SB3, it is moving to close break contact and connects capacitor C 4 through connecting wire, the primary coil of ignition transformer T connects the break contact of SB3 and the negative pole (-) of capacitor C 4, the secondary coil of T connects aciculiform porcelain insulator (30), (31), is the electric pulse firing circuit; The moving disconnecting point of relay K 2, one termination ZL positive pole (+), one terminating resistor R1, negative pole (-) the connecting resistance R1 of limit feedback diode D2, anodal (+) connects capacitor C 5 and resistance R 3, the emitter stage of another termination phototriode VT3 of resistance R 3 and the base stage of transistor VT2, the emitter stage of VT2 is succeeded electric apparatus coil K, closes the pneumoelectric road for photo-electric control is flame-out; The colelctor electrode of VT2, VT3, resistance R 4, circuit 6 are with being connected on the contact of electromagnetic valve coil FD; The end points of potentiometer RP1, the RP2 of series connection connects emitter stage, the capacitor C 7 of the positive pole (+) and the unijunction transistor VT4 of capacitor C 6 respectively, is electronic timing circuit; The acoustics circuit 2 connecting resistance R1 that form by resistance R 2, capacitor C 3, music triode VT1, buzzer B.

3. the regulation device device of gas-cooker according to claim 1, the middle part that it is characterized in that kitchen range (1) front panel add compound control button (11), light emitting diode (16), locking press button (10), handle (17), regularly knob (6) (8), (6) (8) below be provided with dial between timing (7) (9); Add infrared optic-electric detects technique (32), tungsten filament ignitor (12) (13) above the kitchen range (1), circular tungsten silk screen (14) (15); The trailing flank of kitchen range (1) adds power-line plug (21), (19) are chewed in the magnetic valve air inlet; The inner chamber of kitchen range (1) middle part adds magnetic valve (18), hand-operated valve (22), drive link (25), plastics and closes (27).

4. the infrared optic-electric detects technique of gas-cooker according to claim 3 (32) is characterized in that it is made of plastic casing (33), phototriode VT3 (34), plastics base (35), hold-down screw (36), sheet glass (37).

5. the magnetic valve of gas-cooker according to claim 3 (18) is characterized in that the neck of its air inlet and outlet end being connected to the connecting tube (23) that connects hand-operated valve (22), and outlet nozzle trachea (26), suction nozzle (19) pass behind the kitchen range solid by nut (20) bolt.

6. the tungsten silk screen of gas-cooker according to claim 3 (14) (15) is characterized in that it is installed in the top middle part of duration and degree of heating (2) (4).