CN87208176U - Long-delay type ignition and burning control device - Google Patents

Abstract

The long-delay type ignition and burning control device belongs to a home-use kitchen appliance class. The utility model can be used as a combustor for various combustible gases. The main application is that the ignition operation can be carried out without man-made method for a long time, and the utility model can ignite and control combustion automatically. The delay time can reach ten hours and forty minutes. Meanwhile, the utility model is convenient and safe to be used at timing and untime. The utility model is characterized mainly in that an electromagnetical valve opening and closing combustible gases at the set time can be generated in the circuit through the combustion time of the timing and untime. The ignition operation can be carried out and the combustion can go on until the valve is closed. At the same time the utility model provides a protection circuit which can be closed automatically when gas is occluded or flame is extinguished by water or wind at the burning time.

Description

Long-delay type ignition and burning control device

Long delay, igniting, combustion control device belong to the family kitchen electric type.Be applicable to the igniting and the burning control of fuel gas such as natural gas, coal gas, liquefied petroleum gas, the particularly control of family expenses cooking stove is the servicing unit of family expenses cooking stove.

Current, has automatic igniting, self-timing, the combustible gas burner or the cooking stove kind of functions such as automatic warning are a lot, finish automatic igniting for a long time but prolong, self-timing, the automaton of closing automatically but seldom, in the prior art, for example U.S. Pat 4402663, its structure is quite complicated, is by microcomputerized control, and opening gas, closing gas of general burner or cooking stove all is manual, thereby, influence work owing to can not in time close or open, sometimes also can burnt food, not only wasted the energy but also might result in greater loss.

The utility model is in order to overcome above-mentioned shortcoming, make people from family's cooking work, economize out more time, make it in next the getting home of working or after getting up morning, with and can be able to eat new well-done food or stew, break away from because of can only eating the situation of suffering from indigestion it is pressed for time, and a kind of and matching used long delay combustion gas of cooking stove, igniting, the combustion control device of design.As long as prepare in advance, levelling suitable time-delay igniting and burning time, early, middle and late breakfast, lunch and dinner can both have the steaming dish that need grow fire at ordinary times, stew or fresh food etc., promptly conveniently do not waste energy again, and also safe and reliable, tangible advantage is compared with prior art arranged.

Fuel gas delayed firing, combustion control device divide operate as normal, and timing working and electricity, gas always stop three condition.Operate as normal is the straight-through gas mode with timing means.Timing working divides delayed firing, burning and directly manual ignition burning.Electricity, gas always stop all to disconnect for gas circuit, circuit.

Timing of the present utility model is partly improved on original general electroclock and the lathe basis with the principle of auxiliary reclay drawing magnetism and structure and is made.

Fuel gas long delay, igniting, combustion control device structural principle be as shown in the figure: Fig. 1 is main air inlet pipe for external form Fig. 1 (1) of device, and (14) can be found out with another side (Fig. 3 a(34)) identical escape pipe.(2) be normal ventilation, regularly ventilation, gas, the total disconnected three condition switch of electricity.Structure such as Fig. 2, (22) (26) are the printed circuit supporting plates of holding concurrently, and the luminous tube indicating circuit is housed, and (24) are the meeting switches of three kinds of states, use Fig. 1 (3) luminous tube to show respectively, and centre is that pneumoelectric always breaks.Fig. 3 abc is the section of three condition main airway switch, when rotating to an angle, main airway axle Fig. 3 b switch is normal ventilation road (30) ventilation, this passage is all sent out-of-control combustion gas to two by (30) (31) (34), when (2) are screwed between the air flue of (30) (32), the shutoff of main airway switch, see Fig. 3 C, the electricity of selector switch (2) is met and discussed simultaneously, bump disconnected way circuit Figure 14 K3, it is Fig. 2 lower-left that spanner (2) cuts open figure, and retainer spring ball location is housed, and spanner is screwed into certain position again, the main airway switch communicates with timing air passage structure (32), wait time-of-the-day order work, when instructing then because of the operate as normal air flue blocks, gas can only lead to air flue (32) from dispensing orifice, through the certain tolerance of large-minded little outflow of adjusting in advance, externally confess control gas by (31) (34) again.Three three connections for breather pipe and air flue distribute assembly (25) to be connected with screw thread, be the convenient orientation of using, two outlet passageways can be chosen wantonly, and an escape pipe need not using is at suitable rubber garden pad of central plug of screw thread tieing, and thread up can be airtight.

Regularly air flue is controlled through electrical equipment, mechanical actuating mechanism, structure such as Fig. 6, and wherein Fig. 2 (28) is that the tolerance size is selected gear, the knob that rotates Fig. 1 (4) by third wheel (16) by hand is selected.Fig. 2 (28) is as shown in Figure 4: (35) are gear, and (36) are connecting shaft, and (37) carry out the conveyor screw that height changes for screw thread revolves type with the rotation knob, as plane 4b.Fig. 2 (27) is the tolerance Control Shaft, can find out from Fig. 6 (27), and (38) are the tail spindles that cooperates Fig. 2 (18) tractive magnet.Fig. 6 (44) advances and retreat and the air flue switch shaft of lifting, (45) be carriage, (39) be to Fig. 4 a(37) turn position and fixed height alignment pin, reach the control of air inflow size in the relative displacement of timing air flue (32) in order to control tolerance control axle track pore (41).(40) be tensile spring, give the tolerance Control Shaft in addition downward power.(38) (39) diaxon after tolerance Control Shaft and Fig. 4 a assembling again riveting go in the dowel hole of axle, pull the position that the tolerance Control Shaft will bore a hole in the support of Fig. 2 (23) or Fig. 6 (23) and make the hole that the key tooth is arranged in the hole shown in Fig. 6 (43), in order to prevent the left-right rotation of tolerance Control Shaft.For reaching the endoporus sealing ring that good seal is equipped with Fig. 6 (42).

Fig. 2 (18) is a tractive magnet, send with the auxiliary reclay drawing magnetism with lathe and to add change, Fig. 2 (17) leads for the solid spring of sound that iron sheet is processed into the tensile spring diameter, so that having, electromagnet is enough to the power that just Fig. 6 (44) tail spindle stretches to the tolerance Control Shaft after dead electricity, Fig. 6 (38) is upwards risen, to reach the purpose of closing air flue together with the tolerance Control Shaft.

Fig. 1 (6) is the hand-reset piano type button of setting time, adjusts to prevent the limit by this button when setting time, and igniter has the possibility with time point.Setting time is pressed Fig. 1 (7) button earlier, and fire is lighted.Regulate Fig. 1 (4) tolerance size button as required, make the intensity of a fire reach requirement, push this key once more and make it to reset.As will after 12 hours, lighting a fire, how long burn with needs, just should stack up two kinds of times, the button of removing total time with Fig. 1 (12) is spun on (Fig. 1 (8)) on this time scale, this moment, microswitch Figure 14 K4 connected, and microswitch such as Fig. 7 belong to from homing position type, hit promptly that disconnecting meeting and discussing and leave promptly and connect, electroclock hour wheel moment of torsion is enough to bump disconnected microswitch.Removing button with Fig. 1 (13) ignition time then, knob is adjusted like this and can be pressed Fig. 1 (6) setting time button needing (Fig. 1 (11)) on the ignition scale how long.Otherwise as operation, adjust burning time earlier, after the edge point fire of then might the limit adjusting total time of adjusting, so it is also harmless come what may to press this key,,, promptly opens fire and enter the state of adjusting as long as push K2 Fig. 1 (6) even the maloperation fire is lighted.Time setting well after, push Fig. 1 (6) button once more and reset, the beginning of clocking that adjusting finishes, Fig. 1 when adjusting total time (5) timing working indicator lamp is bright.Begin in predetermined time-delay back ignition, finish predetermined combustion after the time when total meet and discuss (12) on adjustment dish Fig. 1 (9) go back to zero point, bump disconnected microswitch Fig. 2 (19) Figure 14 K4 gas circuit closed.

Fire also can artificially be opened, burns, regularly be closed to this device.Fig. 1 (6) setting time button is pressed, adjust required burning adjustment dish Fig. 1 (9) when total, adjust adjustment burning time dish (10) again, with adjust earlier total the time adjust the dial scale consistency from top to bottom, and then to push that the setting time button makes it to reset be the starting point fire burns, finish up to setting time, the adjustment dish Fig. 1 (12) that meets and discusses bumps disconnected microswitch when total, turn-offs source of the gas.

Fig. 1 (7) presses i.e. igniting for not needing manual ignition button Figure 14 K1 regularly, regulates Fig. 1 (4) tolerance size as required, thereby obtains fire amount size, need not after, reset by this button again and promptly close source of the gas.

Regularly the part hand is changed a social system with synchronous motor electroclock core (general electroclock), former electroclock core is that Shanghai Electric Clock Factory produces as Fig. 8, do not have the big transformation of the way, processing is cutd open as Fig. 9 and is shown the iron sheet spare of Figure 12 shape (or punching press), three screws with Fig. 8 (48) are fixed, led Fig. 1 (10) garden burning time shape adjustment dish on this part, led tripod making leaf spring shown in Fig. 2 (20) again, loaded onto retainer plate shown in Figure 10 and get final product, this dish is gone up riveting and is touched reed just like pinnacle shown in Figure 11 b, makes ignition switch.

Originally the clock axle of electroclock Fig. 8 (47) will add the transformation of the way, axle as shown in figure 13, from hour wheel Fig. 8 (46), former electroclock core minute axle, axle removed suitable length and led in 8 endoporus second, total regularly garden shape adjustment dish shown in Fig. 1 (9) is equipped with on this top, lead Fig. 2 (20) tripod making leaf spring again, use packing ring, bolting, this adjustment dish cuts open and shows a as Figure 11, one small-sized protrusion pinnacle is housed below meets and discusses, with the duration of ignition in short-term (can make ignition switch keep a few minutes approximately) after the time-delay of control regulation, be carved with (8) (11) time corresponding graduation mark up and down on the shell of Fig. 1, total time expand, can a topped daytime or a night about ten. 4 minutes.

Circuit part: Figure 14 is a long delay, the circuit diagram of ignition control device.

Close gas circuit, normal ventilation is without this circuit, has only that always to stop indicator lamp bright.

When the people need leave and point again after will delaying time, at first push K1(Fig. 1 (7)), K1-2 electroclock worker circuit is disconnected, K1-1 tractive magnet T gets electric adhesive, make the gas circuit conducting, the firing circuit igniting, adjust tolerance knob Fig. 1 (4) then as required to the required intensity of a fire, pushing this key after mixing up once more makes it to reset, fire promptly extinguishes, press subsequently and regularly adjust key button K2 Fig. 1 (6) the electromagnet circuit is temporarily disconnected, how long at first adjust to prolong and prolong back ignition sum total how long, Fig. 1 (9) is to required time Fig. 1 (8), electric current is by K3 to K4, K1-2 makes lamp D4 bright by step-down rectifying circuit to the delay working indicator lamp, electroclock is owing to the connection of microswitch K4 begins to clock, required adjustment burning time of turn dish Fig. 1 (10) is to required scale then, be this dish on meeting switch also be spun on this scale, pushing K2 Fig. 1 (6) once more makes it to reset, adjust and finish this moment, when required time-delay ends, pinnacle below total regularly adjustment dish Figure 11 a that meets and discusses moves to and needs the pinnacle meeting switch of ignition time adjustment dish Figure 11 b to make it K switch 5 closures, the tractive magnet T adhesive of switching on, tail spindle (44) withdrawal, the tolerance Control Shaft is because the effect of tensile spring (40) makes regularly air flue (30) press the tolerance ventilation of being adjusted by tolerance Control Shaft amount pore downwards, meanwhile, as tractive magnet T(18) electric back at the secondary winding generation induced voltage of electromagnet, by the ZL rectifier rectification, capacitor C 3 filtering, voltage-stabiliser tube DW output services voltage, because relay J is getting the disconnection in time of the normally closed point of electric moment J1-2, voltage charges to charging capacitor C6 through J1-2, and through the W2 step-down, resistance R 13 is given and can be made controllable silicon DT conducting for silicon control voltage, electric current adds a base flow for triode BG3 through R12, triode is satisfied close conducting, the relay J adhesive, contact J1-1 is reliably closed to solenoid circuit, the normally closed disconnection of contact J1-2, be that SCR control voltage disconnects, this moment, capacitor C 6 was owing to be filled with certain voltage, after normally closed interlock J1-2 disconnected, C6 was by W2, the SCR control utmost point, R13 discharges, make controllable silicon continue conducting during this period of time, by triode BG4,5, the 6 ceaselessly conductings of forming of electronic switch are turn-offed, work fast, adjust W1 and can change switching speed, L1, L2 is an autocoupling type step-up transformer on the same iron core, and L1 is the work winding, L2 be boost around, C7 is a boost capacitor, turn-offs in the moment of field supply according to inductance coil and can produce very high voltage principle at coil the two poles of the earth, makes the switch of transformer with BG6, make it produce the electrion spark at high pressure head end and negative pole current potential, the fuel gas that ignites, circuit can make high-tension electricity continuous discharge sparking several seconds to tens seconds after starting working, the sparking mode is put into the lamp panel centre bore of gas port with automobile spark plug, can be effective.

By PNP triode BG1, whether the holding circuit that NPN silicon triode BG2 and thermistor R5 or infrared receiving terminal etc. are formed is lighted according to combustion gas whether electricity, gas circuit is worked on.

When the controllable silicon conducting; BG3 is conducting simultaneously also; make relay J get electric adhesive; when charging capacitor C6 keep the controllable silicon conducting to controllable silicon owing to the C6 discharge off turn-offs during this period of time; ignition operation is to carry out continuously; relay J is also because of BG3 conducting adhesive; if this section interior combustion gas duration of ignition is ignited, resistances such as monitoring thermistor R5 on cooking stove or infrared receiving terminal can diminish rapidly because of the temperature of fire, according to PNP BG1 triode characteristic; meeting conducting immediately; RT produces pressure drop, and the BG2 base flow increases and conducting, has guaranteed the continuity of relay J adhesive; the normally open contact J1-1 of J has also guaranteed the continuity of drawing magnetism T; this moment the C6 discharge off, controllable silicon ends, triode BG3 ends simultaneously; device circuit is worked on by holding circuit control, finishes the burning time of regulation.

When in the time of the continuous conducting of controllable silicon, failing to light gas; monitoring thermistor or infrared receiving terminal is because high temperature and resistance no change and be high resistant; not conducting of triode BG1; also not conducting of BG2; after the controllable silicon conducting finishes; BG3 ends; because of fire unignited; also not conducting of BG2; the relay J circuit is obstructed and do not work; tractive magnet circuit protection contact J1-1 disconnects; gas circuit can not be opened; because meet and discuss down the whole dish of always fixing time of device (Figure 11 a) and the pinnacle meeting switch (Figure 14 K5) in (Figure 11 b) circle of adjustment burning time dish dress by the pinnacle of dress; both make time that circuit connects in a few minutes touching; so it is unignited for first cause of fire; not conducting of BG2; controllable silicon finishes because of C6 keeps and also ends simultaneously; BG3 also ends; relay J is lost and is put; contact J1-2 closure; J1-1 disconnects; because meeting switch (Figure 14 K5) is the time of contact of clock in a measure; therefore still in work, secondary still has voltage to electromagnet, when relay J dead electricity normally closed interlock J1-2 is closed because of relay resets; circuit carries out the work of aforesaid way again; till the point of adjustment dish is met and discussed a few minutes of removing from the pinnacle meeting switch top of adjustment burning time dish when being total to meet and discuss (K5),, just may be not have combustion gas to pass through if do not lighted gas during this period of time; the improper institute of igniter head or infrared receiving terminal thermistor riding position extremely; no matter how unignited, device all is in a safe condition, and does not have gas and emits.In burning during work, if fire is put out by soup or wind, thermistor is cold really or do not have IR and produce, resistance increases, and triode BG1 is ended, and causes that BG2 ends, relay electric-loss, J1-1 disconnects, the electromagnet dead electricity, turn-off source of the gas, marginal winding does not have operating voltage yet, because the K5 that meets and discusses leaves after a few minutes in succession, meeting switch disconnects, relay J no longer adhesive J1-1 disconnects, and circuit is no longer worked.

The combustion ignition mode that need not delay time: press Figure 14 K1(Fig. 1 (7)) the button ignition switch that does not need timing, K1-2 electroclock coil Z disconnects, electroclock is not worked, K1-1 connects, tractive magnet work, marginal generation voltage, firing circuit is lighted a fire simultaneously, in the time need not continuing with fire, to push this button once more and make it to reset, burning stops.

Embodiment of the present utility model can find out from foregoing description.

Description of drawings: Fig. 1 is the external form figure of long delay, igniting, combustion control device, and Fig. 2 is interior type figure.Fig. 3 is that the air flue assembly cuts open figure, and Fig. 4 is the tolerance regulating wheel, and Fig. 5 is the tolerance Control Shaft, Fig. 6 is that the tolerance control section cuts open figure, Fig. 7 is microswitch figure, and Fig. 8 is regularly a part electroclock core, and Fig. 9 is that the electroclock core cuts open figure, Figure 10 is a retainer plate, Figure 11 is that reed is touched on folder top, and Figure 12 is the electroclock branch, second axle, Figure 13 is the electroclock branch, second axis hole.Figure 14 is a long delay, igniting, the circuit diagram of burning control.

Accompanying drawing title: 1 main air inlet pipe, 2 main airway dispense switch handles, 3 three condition indicator lamps, 4 timing tolerance adjustment dishes, 5 timing working indicator lamps, 6 setting time buttons, 7 not timing button ignition switches, the change dish is carved in 8 total time-delays, 9 total time-delay adjustment dishes, adjustment 10 burning times dish is carved change 11 burning times, adjustment dish spanner between 12 total time-delays, adjustment 13 burning times dish spanner, one side 14 and the symmetry be gas off-take, 15 tolerance regulating wheel supports, 16 tolerance are regulated third wheel, and 17 are equipped with the iron sheet structure of tensile spring, and 18 are wound with the tractive magnet of marginal winding, the 19 time-delay microswitches that finish, 20 triangle making leaf springs, 21 delayers, 22 circuit parts, 23 gripper shoes, 24 three conditions electricity meeting switch, 25 air flue dispenser assemblies, 26 printed circuit board (PCB)s, 27 tolerance Control Shafts, 28 tolerance regulating wheels, 29 three condition air flue dispensing orifices, 30 not timing air flues, 31,34 cross air flue, 32 timing air flues, 33 timing air flue control holes, 35 gears, 36 shaft couplings, 37 conveyor screws, 38 air flue switch shafts, 39 tolerance alignment pins, 40 tension springs, 41 tolerance control holes, 42 sealed pictures, 43 generation key the hole, 44 electromagnet tail spindles, 45 tail spindles are crossed wheel carrier bracker, 46 electroclock hour wheels, 47 o'clock wheel shafts, 48 support fixed screws.

The utility model automatic ignition, automatic control combustion, time-delay reaches ten. 4 minutes, just a topped daytime or a night, has solved artificial operation, has economized out the time, as long as settle a simple combustion device, can be convenient to use.

Claims (1)

1, long delay, igniting, combustion control device are igniting, the burning automatons that the burner of fuel gas such as a kind of natural gas of being combined by the control of mechanical actuating mechanism and circuit, coal gas, liquefied petroleum gas is used.It comprises that operate as normal, timing working and electricity, gas always stop three condition; it is characterized in that; it comprises the automatic control circuit of a tolerance regulation control part and long delay, ignition; with regularly and the burning time after the time-delay circuit was created in the stipulated time and opens; and the electromagnetic valve of fuel gas; simultaneously, be equipped with the holding circuit of a valve-closing.

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