CN101093083A

CN101093083A - Relighting controller with safe interruptive effect, and control method

Info

Publication number: CN101093083A
Application number: CN 200610090123
Authority: CN
Inventors: 黄依华
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-23
Filing date: 2006-06-23
Publication date: 2007-12-26

Abstract

This invention relates to a reignite controller, a main air feed valve connected to a gas tool, containing at least an ignition controll unit, an ignition action unit, at least one fire test unit and a time control unit, when any ignition switch is turned on yet its corresponding flame does not exist, a corresponding ignition and flame test pointer can discharge and inflame to burn the gas released from the mouth, when the mouth flames out during flaming, it can ignite again by sense of the pointer and reigniting action, when the action fails and reaches to a certain period of time, it will stop the reigniting action and order the time control unit to drive the main supply valve to stop it safely then the main supply valve is opened after every switch is closed to reach the aim of increasing safety of the reigniting controller.

Description

The ignition controller again and the control method of tool safety interruption effect

Technical field

What the present invention relates to is a kind of ignition controller, what be particularly related to is a kind of being applied on the combustion gas tool, the ignition controller again of tool safety interruption effect except the action of the igniting again that each fire door that combustion gas can be provided is lighted a fire, flame detects, stop working, and has unique safe interruption effect.

Background technology

The flame-out safety design of the fire door of general relevant combustion gas tool, when only being flame-out mostly, the design that the gas supply of fire door is ended, for example: one flame probe is set at fire door, when the flame probe sensing when burning takes place and interrupts in fire door flame, can see through set relevant control module on the combustion gas tool, stop supply, take place to prevent the situation that combustion gas leaks to the fire door combustion gas.

The interruption of fire door flame, tend to influence the expection operational effect of combustion gas tool, for example many family expenses gas oven that boils, for having advanced timing or reservation steer mode person, even be electronization, digitized control mode, and if this gas oven in the process that regularly boils, fire door flame will be put out by high wind and the safety of carrying out gas supply when interrupting, probably cause the food that is boiled to reach the effect that boils of expection, even food might take place cross the situation that addles for a long time because of being in room temperature state.

The inventor was once designing a kind of ignition controller more as shown in Figure 1 previously, this again ignition controller be be located at the combustion gas tool on the igniting of each fire door and flame detect pin 100 and link to each other, and be communicated with set each ignition switch 101 on the combustion gas tool, it has comprised an ignition control unit 20, moving cell 30 is made in one igniting, and at least one flame detects unit 40, when a certain ignition switch 101 is connected and pairing fire door flame when not existing, can make corresponding igniting and flame detect pin 100 and carry out the electrion igniting, make the combustion gas that this fire door can disengage burn; And detect the detecting of pin 100 and can make fire door resume combustion once again with igniting action again if fire door in combustion process when flame-out, sees through igniting and flame.In view of the above, when fire door flame will be put out by high wind, the action that can light a fire again immediately was so that the resume combustion of fire door flame.

Summary of the invention

The objective of the invention is to, a kind of ignition controller again and control method of tool safety interruption effect is provided, make aforementioned prior art more progressive, so that the security of IGNITION CONTROL gas more promotes again.

For achieving the above object, the technical solution used in the present invention is, a kind of ignition controller again of tool safety interruption effect is provided, it comprises, be connected the main steam supply valve of combustion gas tool, and be located at the combustion gas tool on the igniting of each fire door and flame detect pin and link to each other, and be communicated with set each ignition switch on the combustion gas tool, its be in a control box, be provided with at least an ignition control unit, one the igniting make moving cell, at least one flame detects unit, a time control module, wherein:

This ignition control unit has a rectifying pressurizer, of power rectifier voltage stabilizing with input and continues first relay, in the rectifying pressurizer rear end in order to switch the controller of the first relay operating state;

Moving cell is made in this igniting, and the out-put supply that having a pair of aforementioned first relay is provided carries out diode D1, that the voltage multiplie, of multiplication of voltage action continues in the voltage multiplie rear end discharger, that holds that resistance R 1, in diode D1 rear end continues in resistance R 1 rear end that continues and continues and detect the booster that pin is connected with igniting and flame holding the discharger rear end;

This flame detects the unit, be integrated with flame detection and IGNITION CONTROL path, and detect pin with igniting and flame respectively and ignition control unit is connected, wherein, the flame detection path is that power supply source passes through capacitor C 6 couplings, providing a voltage to detect pin, detect and be provided with earth terminal between the pin to igniting and flame at R8, to carry out the detection whether fire door flame exists through resistance R 8 to igniting and flame; IGNITION CONTROL path one end is connected with aforementioned controller, and the other end is connected with ignition switch;

This time control unit detects the unit with ignition control unit, flame and main steam supply valve is connected, and has one in order to drive second relay that main steam supply valve carries out the safety interruption.

Above-mentioned each unit further includes the following step:

1. connect and pairing fire door flame when not existing when a certain ignition switch, can make corresponding igniting and flame detect pin and carry out the electrion igniting, make the combustion gas that this fire door disengages burn;

2. and if fire door in combustion process when flame-out, sees through igniting and flame and detects the detecting of pin and can make fire door resume combustion once again with igniting action again;

3. when lighting a fire baulk and when reaching certain hour, ignition controller then can be closed main steam supply valve and be stopped all igniting actions more again, take place to prevent possible accident;

4. when main steam supply valve safety is interrupted, need make each ignition switch all remain on closed condition earlier earlier after, can make main steam supply valve open the action of valve.

By the technological means that above-mentionedly detects stove fire, igniting again, loss of ignition control again, main steam supply valve safety is interrupted and ignition switch can be enabled main steam supply valve after closing, the present invention's ignition controller effect of promoting again is:

Can take precautions against the combustion gas tool in advance in use, the problem that might cause danger, the security that significantly improves again ignition controller.

Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.

Description of drawings

Fig. 1 is the prior art schematic diagram;

Fig. 2 is a invention process sample attitude schematic diagram;

Fig. 3 is the first embodiment of the invention schematic diagram;

Fig. 4 is a first embodiment of the invention ignition control unit schematic diagram;

Fig. 5 is first embodiment of the invention igniting start cell schematics;

Fig. 6 detects cell schematics for first embodiment of the invention flame;

Fig. 7 is a first embodiment of the invention time control unit schematic diagram;

Fig. 8 is the second embodiment of the invention schematic diagram;

Fig. 9 is the third embodiment of the invention schematic diagram.

Reference numeral explanation: 10-control box; The 20-ignition control unit; The 21-rectifying pressurizer; 22-first relay; The 23-controller; 24-no-load protection device; Moving cell is made in the 30-igniting; The 31-voltage multiplie; 32-holds discharger; The 33-booster; 40-flame detects the unit; The 50-circuit board; 51-igniting and flame detect Port; 52-electronics connectivity port; The 60-power supply; The 70-time control unit; 71-second relay; 100-igniting and flame detect pin; The 101-ignition switch; 102-master's steam supply valve.

The specific embodiment

See also shown in Figure 2, it is the invention process sample attitude schematic diagram, it is to be provided with in a control box 10 that an ignition control unit 20, an igniting are made moving cell 30, at least one flame detects a unit 40 and a time control module 70, and aforementioned each unit is can be incorporated into to implement on the circuit board 50, configuration between sharp each unit be connected, the start electric power of aforementioned each unit is provided by a power supply 60.

In addition, control box 10 can be provided with at least one igniting and flame and detect Port 51 and link to each other to make ignition controller detect pin 100 with the igniting of each fire door on the combustion gas tool and flame again, and control box 10 is provided with electronics connectivity port 52 at the other end and must be communicated with each ignition switch 101 that the combustion gas tool is provided with to make ignition controller again, and this electronics connectivity port 52 also can make the main steam supply valve 102 of ignition controller and power supply 60, combustion gas tool link again, or integrate with other electronic installation and be communicated with.

(first embodiment)

Seeing also shown in Figure 3ly, is the first embodiment of the invention schematic diagram, this is graphic be for ignition controller again with have that single igniting and flame detects pin 100, single ignition switch 101 cooperating of single fire door combustion gas tool be used as explanation:

Power supply 60 provides AC-L and two links of AC-N, and ignition control unit 20 further comprises the power rectifier voltage stabilizing that power supply 60 AC-L end can be exported and continues first relay 22, in rectifying pressurizer 21 rear ends in order to switch the controller 23 and the no-load protection device 24 of first relay, 22 operating states to the rectifying pressurizer 21, of DC12V.

Please consult Fig. 3 and shown in Figure 4 simultaneously, rectifying pressurizer 21 is made up of capacitor C 2, diode D2, diode D3, resistance R 3, zener diode ZD1, capacitor C 3; Controller 23 has comprised NPN transistor Q2, PNP transistor Q3, and can be learnt by the comparison of Fig. 1 and Fig. 3, and that present embodiment adopts is PNP transistor Q3, and the NPN transistor Q3 that is adopted with prior art distinguishes to some extent.

No-load protection device 24 is made up of resistance R 2, resistance R 4, NPN transistor Q1, and no-load protection device 24 is to be used in to prevent first relay 22 when Light Condition, and zener diode ZD1 causes the situation of damage because of bearing super-high-current.

Please consult Fig. 3 and shown in Figure 5 simultaneously, igniting is made to have in the moving cell 30 voltage multiplie 31, that the multiplication of voltage action can be provided the out-put supply that is provided at aforementioned first relay 22 diode D1, in the voltage multiplie 31 rear ends discharger 32, that holds that resistance R 1, in diode D1 rear end continues in resistance R 1 rear end that continues that continues and is continued and detect the booster 33 that pin 100 is connected with igniting and flame holding discharger 32 rear ends; Aforementioned voltage multiplie 31 is combined by capacitor C 1 and diode D5, holds discharger 32 and is made up of with quick thyristor SDIAC capacitor C 4.

Please consult Fig. 3 and shown in Figure 6 simultaneously, flame detects unit 40, be integrated with flame detection and IGNITION CONTROL path, and detect pin 100 with igniting and flame respectively and ignition control unit 20 is connected, wherein, the flame detection path be by power supply 60 by capacitor C 6 couplings, detect pin 100 through R8 to igniting and flame so that a voltage to be provided, detect between the pin 100 and be provided with earth terminal to igniting and flame at R8, to carry out the detection whether fire door flame exists; IGNITION CONTROL path one end is connected with aforementioned controller 23, and the other end is connected with ignition switch (101), and the IGNITION CONTROL path further comprises NPN transistor Q4.

See through aforementioned ignition control unit 20, igniting and do the cooperation that moving cell 30, flame detect unit 40, can make ignition switch 101 connect and pairing fire door flame when not existing, can make corresponding igniting and flame detect pin 100 and carry out the electrion igniting, make the combustion gas that this fire door disengages burn; And detect the detecting of pin 100 and can make fire door resume combustion once again with igniting action again if fire door in combustion process when flame-out, sees through igniting and flame.

Please consult Fig. 3 and shown in Figure 7 simultaneously, the effect of time control unit 70 is, when lighting a fire baulk and when reaching certain hour again, then can close main steam supply valve 1 02 and stop all igniting, the action of igniting again.

When ignition switch 101 is opened, the E utmost point of NPN transistor BQ4 and the E utmost point of NPN transistor Q2 can be connected to ignition switch 101 and obtain ground signalling from diode BD3, and if do not reach the time-out time that control module 70 is preset this moment yet, VCC voltage can be by the B utmost point of resistance BR10 conducting to NPN transistor BQ4, therefore NPN transistor BQ4 can control 71 starts of second relay, make main steam supply valve 102 be held open, at this moment, NPN transistor Q2 also controls 22 starts of first relay, and sharp igniting and flame detect the action that pin 100 is lighted a fire.

And if in default time-out time, fire door has presented the state of resume combustion, then NPN transistor Q4 can be cut off into closed condition, make the C utmost point of NPN transistor Q4 meet VCC and zener diode BZD1, and through the B utmost point of resistance BR1 to NPN transistor BQ1, this moment, VCC can be through the resistance R 9 B utmost point to zener diode BZD1 and resistance BR1 to NPN transistor BQ1, then NPN transistor BQ1 presents opening, so NPN transistor BQ2 presents closed condition, then PNP transistor Q3 and NPN transistor Q2 are all closed condition, therefore first relay 22 is failure to actuate, again ignition controller the carrying out of action that promptly stop to light a fire again; At this moment, by presenting opening at NPN transistor BQ1, so NPN transistor BQ7 presents closed condition, NPN transistor BQ6 presents opening, therefore electric capacity BC2 can keep the state of ground connection discharge, so NPN transistor BQ5 is a closed condition, so NPN transistor BQ4 is still in opening, to drive the action that second relay 71 keeps main steam supply valve 102 to open.

When the baulk of igniting again, and fire door is can't resume combustion the time, the AC-L link of power supply 60 can be from the capacitor C 6 B utmost point of resistance R 14 to NPN transistor Q4 of flowing through, then NPN transistor Q4 can be triggered and present opening, this moment, the C utmost point of NPN transistor Q4 can be exported voltage than electronegative potential to meeting zener diode BZD1, and through the B utmost point of resistance BR1 to NPN transistor BQ1, then NPN transistor BQ1 presents closed condition, so NPN transistor BQ2 becomes opening, makes PNP transistor Q3 and NPN transistor Q2 be all the state that becomes unlatching.Event makes the relay 22 of winning do command of execution igniting and flame detects pin 100 continuous discharges igniting, and when the electrically-fired action of this type discharge surpasses default time-out time, then NPN transistor BQ1 promptly presents closed condition, so NPN transistor BQ7 becomes opening, and NPN transistor BQ6 presents closed condition, again by being that opening so PNP transistor BQ3 are also for opening at NPN transistor BQ2, so the extremely exportable higher potential voltage of C of PNP transistor BQ3 charges to electric capacity BC2 through resistance BR6, and when electric capacity BC2 charges to certain numerical value, can make NPN transistor BQ5 for presenting opening, so NPN transistor BQ4 can become closed condition, second relay 71 promptly can cut off the power supply, and makes main steam supply valve 102 close; And when NPN transistor BQ5 was opening, NPN transistor Q2 also can be cut off into closed condition, and also therefore first relay 22 can cut off the power supply, and order igniting and flame detect the action that pin 100 stops to light a fire.

Change speech, when the combustion gas of fire door is being put not in default time-out time or is flame-out midway, main steam supply valve 102 still can remain on the air feed state of unlatching, in the time of after the action of igniting again surpasses default time-out time, still can't lighting flame, ignition controller promptly can stop the air feed of main steam supply valve 102 again, and stop the carrying out of action of lighting a fire again, and present the effect that safety is interrupted.For example: after igniting action has been carried out 30 seconds again, when fire door does not reach the state of resume combustion, can main steam supply valve outage, and the carrying out of the action that stops simultaneously lighting a fire again.And after the effect that safety is interrupted takes place, must earlier ignition switch (101) be closed, after could operate ignition switch (101) again, to remove the state that safety is interrupted.

(second embodiment)

As shown in Figure 8, it is the second embodiment of the invention schematic diagram, it is to have the combustion gas tool schematic diagram of many fire doors for the invention process, the ignition controller again of tool safety interruption effect of the present invention also can cooperate the burning appliance with many fire doors to implement except the combustion gas tool that may be implemented in above-mentioned single fire door more.As shown in the figure, ignition controller is in this enforcement again, be provided with a plurality of flames and detect unit 40, and detect the set igniting of unit 40 and each fire door and flame detects pin 100 and each corresponding ignition switch 101 connects by each flame, by with simultaneously to a plurality of fire doors light a fire, igniting and safety are interrupted control again.

(the 3rd embodiment)

Shown in Figure 9, it is the third embodiment of the invention schematic diagram, among this embodiment, be in simplification with first embodiment is different ignition control unit 20 and time control unit 70, wherein, ignition control unit 20 has only comprised a rectifying pressurizer 21, one first relay 22, a controller 23, and wherein, controller 23 bags have only contained a PNP transistor Q3.

And the function mode of time control unit 70, be when fire door is in the normal combustion state, can charge to saturation state by a shilling electric capacity BC2, and when lighting a fire or igniting is moved again, electric capacity BC2 can discharge to resistance BR5, when after after a while, when electric capacity BC2 is discharged to undertension, NPN transistor BQ5 then, NPN transistor BQ3, PNP transistor Q3 can be closed condition, when making, first relay 22, second relay 71 all can be the line off-position and make igniting, the igniting action stops again, and make main steam supply valve 102 close, and present the effect that safety is interrupted.

The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.

Claims

1. the ignition controller again of a tool safety interruption effect, it is the main steam supply valve that is connected on the combustion gas tool, and be located at the combustion gas tool on the igniting of each fire door and flame detect pin and link to each other, and be communicated with each set on combustion gas tool ignition switch, it is characterized in that it comprises, and an ignition control unit, an igniting that is connected with ignition control unit are made moving cell, at least one detects the flame that pin and ignition control unit be connected with igniting j and flame and detects unit, a time control module; This time control unit is to detect the unit with ignition control unit, flame and main steam supply valve is connected.

The ignition controller again of 2 tool safety interruption effects as claimed in claim 1, it is characterized in that described ignition control unit has a rectifying pressurizer, of power rectifier voltage stabilizing with input and continues first relay, in the rectifying pressurizer rear end in order to switch the controller of the first relay operating state.

3. the ignition controller again of tool safety interruption effect as claimed in claim 1, it is characterized in that the out-put supply that described igniting has a pair of aforementioned first relay and provided as moving cell carries out diode D1, that the voltage multiplie, of multiplication of voltage action continues in the voltage multiplie rear end discharger, that holds that resistance R 1, in diode D1 rear end continues in resistance R 1 rear end that continues and continues and detect the booster that pin is connected with igniting and flame holding the discharger rear end.

4. the ignition controller again of tool safety interruption effect as claimed in claim 1, it is characterized in that, described each flame detects the unit and is integrated with flame detection and IGNITION CONTROL path, the flame detection path is that power supply source passes through capacitor C 6 couplings, providing a voltage to detect pin to igniting and flame, detect to igniting and flame at R8 and to be provided with one between the pin in order to detect the earth terminal whether fire door flame exists through R8; IGNITION CONTROL path one end is connected with aforementioned controller, and the other end is connected with ignition switch.

5. the ignition controller again of tool safety interruption effect as claimed in claim 1, it is characterized in that, a described time control module detects the unit with described ignition control unit, flame and main steam supply valve is connected, and has one in order to drive second relay that main steam supply valve carries out the safety interruption.

6. the ignition control method again of a tool safety interruption effect, the ignition controller again that it has used tool safety interruption effect is characterized in that, the control step that it comprises is:

A. ignition switch connection and corresponding fire door flame do not exist, and igniting that the ignition control unit order is corresponding and flame detect the igniting of pin electrion;

B. igniting and flame detect pin to detect fire door flame-out in combustion process, carry out lighting up procedure again;

C. time control unit detects pin and detects the baulk of lighting a fire again in igniting and flame, and order igniting and flame detect pin to be stopped to light a fire again, and drives main steam supply valve safety and interrupt;

D. main steam supply valve safety is interrupted, and each ignition switch all remains on closed condition, and ignition controller makes main steam supply valve drive valve again.