CN109186102A

CN109186102A - The inter-linked controlling method and control circuit of exhaust blower and gas electric valve

Info

Publication number: CN109186102A
Application number: CN201811032716.4A
Authority: CN
Inventors: 廖昕; 唐培亮
Original assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Current assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Priority date: 2018-09-05
Filing date: 2018-09-05
Publication date: 2019-01-11

Abstract

A kind of inter-linked controlling method and control circuit of exhaust blower and gas electric valve, comprising: gas detector, Gas controller, combustion gas valve controling circuit and exhaust blower control circuit；Whether there is gas leakage in space locating for gas detector detection gas detector, when detection result, which is, is, generates gas leakage alarm signal and be sent to Gas controller；Gas controller receives gas leakage alarm signal, sends the first control signal for closing gas electric valve to combustion gas valve controling circuit, and send the second control signal for starting exhaust blower to exhaust blower control circuit；Combustion gas valve controling circuit closes gas electric valve after receiving first control signal, according to first control signal；Exhaust blower control circuit starts the exhaust blower after receiving second control signal, according to second control signal.Implement the embodiment of the present invention, can be realized the linkage control between exhaust blower and gas electric valve.

Description

The inter-linked controlling method and control circuit of exhaust blower and gas electric valve

Technical field

The present invention relates to control circuit technical fields, and in particular to a kind of linkage control side of exhaust blower and gas electric valve Method and control circuit.

Background technique

In general, operating accident or equipment fault occur in boiler room can generate a large amount of pernicious gases or inflammable and explosive fried suddenly Hazardous gas, dust or collosol substance, damage and prevent in order to prevent accident further expansion to staff, in time Discharge harmful substance is particularly important.In practical applications, it would generally be provided in boiler room for harmful substance to be discharged Exhaust blower and electric gas valve for cutting off gas supply.Therefore, in order to preventing the generation of accident in time or dropping Damage brought by low accident, in the pipeline for gas in civil buildings, how to realize exhaust blower and gas electric valve it Between linkage control become primary study problem instantly.

Summary of the invention

The embodiment of the invention discloses the inter-linked controlling methods and control circuit of a kind of exhaust blower and gas electric valve, can Realize the linkage control between exhaust blower and gas electric valve.

First aspect of the embodiment of the present invention discloses the inter-linked controlling method of a kind of exhaust blower and gas electric valve, the side Method is applied to the linkage control including gas detector, Gas controller, combustion gas valve controling circuit and exhaust blower control circuit In circuit, the combustion gas valve controling circuit is used to control exhaust blower for controlling gas electric valve, the exhaust blower control circuit, The described method includes:

The gas detector detects in space locating for the gas detector whether have gas leakage, works as detection result When to be, generating gas leakage alarm signal and being sent to the Gas controller；

The Gas controller receives the gas leakage alarm signal, sends to the combustion gas valve controling circuit for closing The first control signal of the gas electric valve is closed, and is sent to the exhaust blower control circuit for starting the exhaust blower Second control signal；Wherein, the combustion gas valve controling circuit and the exhaust blower control circuit are mutually indepedent；

The combustion gas valve controling circuit is closed after receiving the first control signal according to the first control signal The gas electric valve；

The exhaust blower control circuit starts after receiving the second control signal according to the second control signal The exhaust blower.

As an alternative embodiment, the Gas controller receives institute in first aspect of the embodiment of the present invention Gas leakage alarm signal is stated, the first control letter for closing the gas electric valve is sent to the combustion gas valve controling circuit Number, and the second control signal for starting the exhaust blower is sent to the exhaust blower control circuit, comprising:

The Gas controller receives the gas leakage alarm signal, and is used for combustion gas valve controling circuit transmission The first control signal of the gas electric valve is closed, to trigger the combustion gas valve controling circuit according to the first control signal It closes the gas electric valve and sends the second control signal for starting the exhaust blower to the exhaust blower control circuit.

As an alternative embodiment, the exhaust blower control circuit exists in first aspect of the embodiment of the present invention After receiving the second control signal, after starting the exhaust blower according to the second control signal, the method is also wrapped It includes:

The exhaust blower control circuit detect the exhaust blower whether overload, if the exhaust blower overload, leads to It crosses the Gas controller and sends overload alarm signal to fire protection control center, and control the exhaust blower starting sound-light alarm Function；It wherein, include sound alarm function and light warning function in the sound and light of alarm；

The exhaust blower control circuit detects whether to receive the out code for closing the sound alarm function, such as Fruit receives the out code, then controls the exhaust blower and close the sound alarm function；

The exhaust blower control circuit detects whether the exhaust blower by the overload state is converted to non-overload shape State controls the exhaust blower and closes light warning function if being converted to the non-overload state by the overload state.

The gas detector detects in space locating for the gas detector whether there is also combustion gas；

If there is no the combustion gas, the gas detector sends alarm release signal to the Gas controller；

The Gas controller receives the alarm release signal, and sends to the combustion gas valve controling circuit for opening The third of the gas electric valve controls signal, controls signal unlatching to trigger the combustion gas valve controling circuit according to the third The gas electric valve simultaneously controls signal for closing the 4th of the exhaust blower the to exhaust blower control circuit transmission；

The combustion gas valve controling circuit controls signal according to the third and opens after receiving the third control signal The gas electric valve；

The exhaust blower control circuit is after receiving the 4th control signal, according to the 4th control signal-off The exhaust blower.

As an alternative embodiment, in first aspect of the embodiment of the present invention, the method also includes:

The combustion gas valve controling circuit is after closing the gas electric valve according to the first control signal, to described Gas controller feedback gas valve is turned off signal；

The exhaust blower control circuit is after starting the exhaust blower according to the second control signal, to the combustion gas control Device processed feeds back exhaust blower enabling signal；

And before the gas detector detects and whether has gas leakage in space locating for the gas detector, The method also includes:

Whether the Gas controller detection exhaust blower is in running order, if detecting that the exhaust blower is in Whether the working condition, then triggering the gas detector and detecting in space locating for the gas detector has combustion gas to let out Leakage；

If not having gas leakage in space locating for the gas detector, the Gas controller is to the exhaust blower Control circuit sends the shutdown signal for closing the exhaust blower；

The exhaust blower control circuit closes the exhaust blower according to the shutdown signal.

Second aspect of the embodiment of the present invention discloses the linkage control circuit of a kind of exhaust blower and gas electric valve, described Dynamic control circuit includes gas detector, Gas controller, combustion gas valve controling circuit and exhaust blower control circuit, the combustion gas Valve controling circuit is for controlling gas electric valve, and the exhaust blower control circuit is for controlling exhaust blower, in which:

The gas detector, it is raw when for having gas leakage in detecting space locating for the gas detector At gas leakage alarm signal and it is sent to the Gas controller；

The Gas controller is sent for receiving the gas leakage alarm signal to the combustion gas valve controling circuit It is described for starting for closing the first control signal of the gas electric valve, and to exhaust blower control circuit transmission The second control signal of exhaust blower；Wherein, the combustion gas valve controling circuit and the exhaust blower control circuit are mutually indepedent；

The combustion gas valve controling circuit, for being believed after receiving the first control signal according to first control Number close the gas electric valve；

The exhaust blower control circuit, for being believed after receiving the second control signal according to second control Number starting exhaust blower.

As an alternative embodiment, the Gas controller receives institute in second aspect of the embodiment of the present invention Gas leakage alarm signal is stated, the first control letter for closing the gas electric valve is sent to the combustion gas valve controling circuit Number, and the mode for starting the second control signal of the exhaust blower is sent to the exhaust blower control circuit specifically:

As an alternative embodiment, in second aspect of the embodiment of the present invention, the exhaust blower control circuit, also After starting the exhaust blower after receiving the second control signal and according to the second control signal, and work as When detecting the exhaust blower overload, overload alarm signal is sent to fire protection control center by the Gas controller, And control the exhaust blower starting sound and light of alarm；It wherein, include sound alarm function and light in the sound and light of alarm Warning function；

The exhaust blower control circuit is also used to detect the closing received for closing the sound alarm function When instruction, controls the exhaust blower and close the sound alarm function；

The exhaust blower control circuit is also used to detect that the exhaust blower is converted to non-mistake by the overload state When load condition, controls the exhaust blower and close light warning function.

As an alternative embodiment, in second aspect of the embodiment of the present invention, the gas detector is also used to In the exhaust blower control circuit after receiving the second control signal, the row is started according to the second control signal It after blower, and detects in space locating for the gas detector there is no when combustion gas, is sent out to the Gas controller It delivers newspaper alert ring off signal；

The Gas controller is also used to receive the alarm release signal, and sends to the combustion gas valve controling circuit Third for opening the gas electric valve controls signal, is controlled with triggering the combustion gas valve controling circuit according to the third Signal opens the gas electric valve and sends the 4th control for closing the exhaust blower to the exhaust blower control circuit Signal；

The combustion gas valve controling circuit is also used to after receiving the third control signal, is controlled according to the third Signal opens the gas electric valve；

The exhaust blower control circuit is also used to after receiving the 4th control signal, according to the 4th control Exhaust blower described in signal-off.

As an alternative embodiment, in second aspect of the embodiment of the present invention, the combustion gas valve controling circuit, also For having fed back gas valve to the Gas controller after closing the gas electric valve according to the first control signal Shutdown signal；

The exhaust blower control circuit is also used to after starting the exhaust blower according to the second control signal, to institute State Gas controller feedback exhaust blower enabling signal；

The Gas controller is also used to trigger the combustion when detecting that the exhaust blower is in the working condition Gas detector executes when having gas leakage in detecting space locating for the gas detector, generates gas leakage alarm signal And it is sent to the operation of the Gas controller；

The Gas controller is also used to not have gas leakage in detecting space locating for the gas detector When, the shutdown signal for closing the exhaust blower is sent to the exhaust blower control circuit；

The exhaust blower control circuit is also used to close the exhaust blower according to the shutdown signal.

As an alternative embodiment, in second aspect of the embodiment of the present invention, the combustion gas valve controling circuit packet Include first fuse, the first signal lamp, second signal lamp, third signal lamp, fourth signal lamp, the first A.C. contactor, second A.C. contactor, the first control button, the second control button, the first intermediate relay, the second intermediate relay, among third after Electric appliance, the first gas electric valve travel switch, the second gas electric valve travel switch, control transformer and Gas controller connection Dynamic control switch, in which:

First pair of normally opened contact of first control button and first A.C. contactor be connected in parallel after one end It is electrically connected respectively with one end of one end of the first fuse and first signal lamp, first control button and institute State the first A.C. contactor first pair of normally opened contact be connected in parallel after the other end and second A.C. contactor a pair One of contact of normally-closed contact is electrically connected, another contact of a pair of of normally-closed contact of second A.C. contactor and institute One of contact electrical connection of the normally-closed contact of the first intermediate relay is stated, the normally-closed contact of first intermediate relay Another contact is electrically connected with a coil-end of first A.C. contactor, another line of first A.C. contactor Circle end is electrically connected with a coil-end of the other end of first signal lamp and second A.C. contactor respectively；It is described The first of the first pair of normally opened contact and the third intermediate relay of second control button and second A.C. contactor One end after being connected in parallel to normally opened contact is electrically connected with one end of the first fuse, second control button with it is described First pair of normally opened contact of the second A.C. contactor and the normally opened contact of the third intermediate relay be connected in parallel after it is another One end is electrically connected with one of contact of a pair of of normally-closed contact of first A.C. contactor, first A.C. contactor A pair of of normally-closed contact another contact and second intermediate relay a pair of of normally-closed contact one of contact electricity Connection, another contact of a pair of of normally-closed contact of second intermediate relay and second A.C. contactor another Coil-end electrical connection；Second pair of first pair of normally opened contact of first A.C. contactor and second A.C. contactor is often One end after opening contact shunt connection is electrically connected with one end of the first fuse, and first pair of first A.C. contactor Second pair of normally opened contact of normally opened contact and second A.C. contactor be connected in parallel after the other end and the second signal One end of lamp is electrically connected, and the other end of the second signal lamp is electrically connected with the other end of first signal lamp；The third The coil-end of signal lamp and the first intermediate contactor be connected in parallel after one end and the second signal lamp the other end electricity The other end and described first after the coil-end of connection, the third signal lamp and the first intermediate contactor is connected in parallel fires Pneumoelectric moves one end electrical connection of stroke of valve switch；The other end of the first gas electric valve travel switch and first fusing One end of device is electrically connected, one end after the coil-end of the fourth signal lamp and the second intermediate contactor is in parallel and described the One end of two gas electric valve travel switches is electrically connected, and the coil-end of the fourth signal lamp and the second intermediate contactor is simultaneously The other end after connection is electrically connected with the other end of first signal lamp；The other end of the second gas electric valve travel switch Electrical connection is electrically connected with one end of the first fuse；One input terminal of the control transformer and the first fuse One end electrical connection, it is described control transformer another input terminal be electrically connected with the other end of first signal lamp, it is described One output end of control transformer is electrically connected with one end that the Gas controller linkage control switchs, the control transformer Another output be electrically connected with a coil-end of the third intermediate relay, the Gas controller linkage control is opened The other end of pass is electrically connected with another coil-end of the third intermediate relay；

The other end of the first fuse is used to be electrically connected one end of the first power supply, the other end of first signal lamp For being electrically connected the other end of first power supply；In a pair of of normally opened contact of first intermediate relay and described second Between a pair of of normally opened contact of relay be respectively used to be electrically connected the Gas controller, an output end of the control transformer And another coil-end of the third intermediate relay is respectively used to be electrically connected the Gas controller, first fusing The coil-end of one end of device, the third signal lamp and the first intermediate contactor be connected in parallel after the other end and described One end after the coil-end of fourth signal lamp and the second intermediate contactor is in parallel is for being electrically connected the gas electric valve；

When second control button is pressed in the conductive state, the coil of first A.C. contactor obtain it is electric, A pair of of normally-closed contact of first A.C. contactor is opened, and circuit disconnects where second A.C. contactor, and described first A.C. contactor and second A.C. contactor, which are formed, to be interlocked；Second pair of normally opened contact of first A.C. contactor closes It closes, the second signal lamp is lighted to indicate that the gas electric valve is in operating status；The of first A.C. contactor A pair of of normally opened contact closure, second control button are shorted, and first A.C. contactor is self-locking, and the gas electric valve is held The movement of row valve opening, the first gas electric valve travel switch are closed, and first intermediate relay obtains electric, the third signal Lamp is lighted, to indicate that the gas electric valve has been opened；A pair of of normally opened contact of first intermediate relay is closed, to described Gas controller feeds back gas valve open signal；A pair of of normally-closed contact of first intermediate relay disconnects, and described first hands over Circuit disconnects where flowing contactor, the gas electric valve power loss；A pair of of normally-closed contact of first A.C. contactor is closed, The interlocking that circuit where first A.C. contactor and second A.C. contactor is formed releases；First ac contactor Second pair of normally opened contact of device disconnects, and the second signal lamp extinguishes, to indicate the gas electric valve not running.

As an alternative embodiment, in second aspect of the embodiment of the present invention, the exhaust blower control circuit packet Include second fuse, the 5th signal lamp, the 6th signal lamp, the 7th signal lamp, the 8th signal lamp, multi-position switch, third control by Button, the 4th control button, the 5th control button, the 6th control button, the 7th control button, third A.C. contactor, in the 4th Between relay, the 5th intermediate relay, manual rotary switch, electrothermal relay and buzzer, in which:

After the coil-end of the third A.C. contactor and the 6th signal lamp, the 7th signal lamp are connected in parallel One end is electrically connected with one end of the 5th signal lamp, the other end of the 5th signal lamp and one end of the second fuse Electrical connection；After the coil-end of the third A.C. contactor and the 6th signal lamp, the 7th signal lamp are connected in parallel The other end is electrically connected with one end of the manual rotary switch, and the other end of the manual rotary switch is pressed with third control One end of button is electrically connected, and first pair of the 4th control button and the 5th control button, the third A.C. contactor Normally opened contact be connected in parallel after one end and the third control button the other end and the third intermediate relay the One contact of two pairs of normally opened contacts is electrically connected, and the 4th control button is exchanged with the 5th control button, the third First pair of normally opened contact of contactor be connected in parallel after the other end be electrically connected with one end of the second fuse, the described 6th One end of control button is electrically connected；The first end of the multi-position switch, third end are electric with one end of the second fuse respectively Connection, the second end of the multi-position switch are electrically connected with the other end of the 6th control button, and the 4th of the multi-position switch the End is electrically connected with another contact of second pair of normally opened contact of the third intermediate relay；8th signal lamp and described the One end after the coil-end of four intermediate relays is connected in parallel is electrically connected with one end of the 5th signal lamp, the 8th signal The other end after lamp is connected in parallel with the coil-end of the 4th intermediate relay is electrically connected with one end of the electrothermal relay, institute State the other end first pair of normally opened touching with one end of the second fuse, the 4th intermediate relay respectively of electrothermal relay One contact of point is electrically connected, in another contact and the described 5th of first pair of normally opened contact of the 4th intermediate relay Between relay a pair of of normally-closed contact a contact electrical connection, a pair of of normally-closed contact of the 5th intermediate relay it is another A contact is electrically connected with one end of the buzzer, and the other end of the buzzer and one end of the 5th signal lamp are electrically connected It connects；A pair of of normally opened contact of 7th control button and the 5th intermediate relay be connected in parallel after one end and described the Another contact of first pair of normally opened contact of four intermediate relays is electrically connected, among the 7th control button and the described 5th The other end after a pair of of normally opened contact of relay is connected in parallel is electrically connected with a coil-end of the 5th intermediate relay, Another coil-end of 5th intermediate relay is electrically connected with one end of the 5th signal lamp；

The other end of the second fuse is used to be electrically connected one end of second source, the other end of the 5th signal lamp For being electrically connected the other end of the second source；Second pair of normally opened contact of the third A.C. contactor, in the described 4th Between second pair of normally opened contact of relay, the 5th end of the multi-position switch be respectively used to be electrically connected the combustion gas control to the 8th end Device processed.

As an alternative embodiment, in second aspect of the embodiment of the present invention, the 6th signal lamp, the hand Dynamic rotary switch, the third control button and the 4th control button are mounted on button box.

Compared with prior art, the embodiment of the present invention has the advantages that

In the embodiment of the present invention, due to being provided with Gas controller between exhaust blower and gas electric valve, combustion gas control Device can be used for controlling exhaust blower starting and gas electric valve is closed.Gas controller can detecte whether receive by combustion gas The gas leakage alarm signal that detector is sent is sent to the control circuit of gas electric valve for closing if had received The first control signal of gas electric valve is closed, and sends the second control for starting exhaust blower to the control circuit of exhaust blower Circuit prevents the pernicious of gas leakage to close gas electric valve in time in gas leakage and open exhaust blower in time in time Accident, and then reduce the further expansion of probability and serious accident that accident damages staff.In conclusion real The embodiment of the present invention is applied, can be realized the linkage control between exhaust blower and gas electric valve.

Detailed description of the invention

It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.

Fig. 1 is a kind of process signal of the inter-linked controlling method of exhaust blower and gas electric valve disclosed by the embodiments of the present invention Figure；

Fig. 2 is that the process of the inter-linked controlling method of another exhaust blower and gas electric valve disclosed by the embodiments of the present invention is shown It is intended to；

Fig. 3 is that the process of the inter-linked controlling method of another exhaust blower and gas electric valve disclosed by the embodiments of the present invention is shown It is intended to；

Fig. 4 is a kind of structural representation of the linkage control circuit of exhaust blower and gas electric valve disclosed by the embodiments of the present invention Figure；

Fig. 5 is that the structure of the linkage control circuit of another exhaust blower and gas electric valve disclosed by the embodiments of the present invention is shown It is intended to；

Fig. 6 is a kind of structural schematic diagram of combustion gas valve controling circuit disclosed by the embodiments of the present invention；

Fig. 7 is a kind of structural schematic diagram of exhaust blower control circuit disclosed by the embodiments of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, shall fall within the protection scope of the present invention.

It should be noted that term " includes " and " having " and their any changes in the embodiment of the present invention and attached drawing Shape, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system, product or Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional Ground further includes the other step or units intrinsic for these process, methods, product or equipment.

The embodiment of the invention discloses the inter-linked controlling methods and control circuit of a kind of exhaust blower and gas electric valve, can Realize the linkage control between exhaust blower and gas electric valve.It is described in detail separately below.

Embodiment one

Referring to Fig. 1, Fig. 1 is the inter-linked controlling method of a kind of exhaust blower and gas electric valve disclosed by the embodiments of the present invention Flow diagram.The above method is applied to include gas detector, Gas controller, combustion gas valve controling circuit and exhaust blower In the linkage control circuit of control circuit；Wherein, combustion gas valve controling circuit is for controlling gas electric valve, exhaust blower control circuit For controlling exhaust blower.The inter-linked controlling method of the exhaust blower and gas electric valve as shown in Figure 1 may comprise steps of:

101, whether there is gas leakage in space locating for gas detector detection gas detector, if it is, executing Step 102；If not, thening follow the steps 101.

In the embodiment of the present invention, gas detector is also known as combustible gas probe, can be used for detecting the combustion gas in air Concentration, core original component are gas sensor.Gas detector applied by the embodiment of the present invention can be flammable for catalytic type Gas detector, semiconductor combustible gas probe or natural diffuseness combustion-type detector, the embodiment of the present invention are not construed as limiting.

102, gas detector generates gas leakage alarm signal and is sent to Gas controller.

103, Gas controller receives gas leakage alarm signal, sends to combustion gas valve controling circuit for closing combustion gas electricity The first control signal of dynamic valve, and the second control signal for starting exhaust blower is sent to exhaust blower control circuit；Wherein, Combustion gas valve controling circuit and exhaust blower control circuit are mutually indepedent.

104, it is electronic to close combustion gas according to first control signal after receiving first control signal for combustion gas valve controling circuit Valve.

105, exhaust blower control circuit starts exhaust blower according to second control signal after receiving second control signal.

As an alternative embodiment, detecting in space locating for gas detector in gas detector has combustion gas After leakage, following steps can also be performed:

Gas detector judges whether the gas concentration in space locating for gas detector reaches preset concentration threshold value, If so, 102 are thened follow the steps, if not, thening follow the steps 101.

As it can be seen that implementing the optional embodiment, can be higher than in the gas concentration in the space locating for gas detector Gas leakage alarm signal is regenerated after preset concentration threshold value, is reduced because detecting extremely thin combustion gas rather than combustion gas is let out Leakage, the probability that caused false alarm happens.

As an alternative embodiment, after step 102, following steps can also be performed:

Gas controller determines current time and current time and gas leakage data is sent to log recording apparatus (not Diagram) so that log recording apparatus storage gas leakage data and current time；Wherein, gas leakage data include at least Gas concentration in space locating for gas detector.

As it can be seen that implementing the optional embodiment, gas leakage event each time can be recorded, so as to fire-fighting Related personnel checks history gas leakage event, and then carries out the corresponding precautionary measures convenient for fire-fighting related personnel, drops The probability that the serious accident of low burn gas leakage occurs.

As it can be seen that implementing method described in Fig. 1, the linkage control between exhaust blower and gas electric valve can be realized, with Gas electric valve is closed in time in gas leakage and opens exhaust blower in time, prevents the serious accident of gas leakage in time, into And reduce the further expansion of probability and serious accident that accident damages staff.

Embodiment two

Referring to Fig. 2, Fig. 2 is the linkage control side of another exhaust blower and gas electric valve disclosed by the embodiments of the present invention The flow diagram of method.The inter-linked controlling method of the exhaust blower and gas electric valve as shown in Figure 2 may comprise steps of:

Step 201 and step 202 please refer in embodiment one for the description of step 201 and step 202 for step 101 and step 102 detailed description, the embodiment of the present invention repeats no more.

203, Gas controller receives gas leakage alarm signal, and sends to combustion gas valve controling circuit for closing combustion gas The first control signal of motor-driven valve closes gas electric valve and to row to trigger combustion gas valve controling circuit according to first control signal Draught fan control circuit sends the second control signal for starting exhaust blower；Wherein, combustion gas valve controling circuit and exhaust blower control Circuit is mutually indepedent.

In embodiments of the present invention, the inter-linked controlling method of the exhaust blower and gas electric valve further includes step 204 and step Rapid 205, for the description of step 204 and step 205, please refers in embodiment one and retouched for step 104 and the detailed of step 105 It states, the embodiment of the present invention repeats no more.

206, exhaust blower control circuit detection exhaust blower whether overload, if so, thening follow the steps 207；If it is not, then Execute step 206.

It should be noted that following step can also be performed if exhaust blower control circuit detects the non-overload of exhaust blower It is rapid:

Exhaust blower control circuit detects the Current Temperatures of exhaust blower, and judges whether Current Temperatures are higher than preset temperature, such as Fruit is higher than preset temperature, then sends exhaust blower high temperature pre-warning signal to fire protection control center.

As it can be seen that implementing the embodiment of the present invention, before detecting exhaust blower overload and exhaust blower temperature can be detected It spends after height and feeds back exhaust blower high temperature pre-warning signal to fire protection control center in time, so that fire-fighting related personnel takes accordingly Measure, reduce the probability that damages to exhaust blower.

207, exhaust blower control circuit sends overload alarm signal to fire protection control center by Gas controller, and controls Exhaust blower processed starts sound and light of alarm；It wherein, include sound alarm function and light warning function in sound and light of alarm.

In the embodiment of the present invention, fire protection control center has been established with Gas controller and connect.

208, exhaust blower control circuit detects whether to receive the out code for closing sound alarm function, if It is to then follow the steps 209；If not, thening follow the steps 208.

209, exhaust blower control circuit control exhaust blower closes sound alarm function.

210, whether exhaust blower control circuit detection exhaust blower by overload state is converted to non-overload state, if It is to then follow the steps 211, if not, thening follow the steps 210.

In the embodiment of the present invention, optionally, whether exhaust blower control circuit detection exhaust blower is converted to by overload state The mode of non-overload state is specifically as follows:

Exhaust blower control circuit detects the current fuselage temperature of exhaust blower, and judges whether current fuselage temperature is higher than high temperature Threshold value, if it is, determining that the current state of exhaust blower is overload state, if it is not, then determining the current shape of exhaust blower State is converted to non-overload state by overload state.

211, exhaust blower control circuit control exhaust blower closes light warning function.

As it can be seen that implementing method described in Fig. 2, the linkage control between exhaust blower and gas electric valve can be realized, with Gas electric valve is closed in time in gas leakage and opens exhaust blower in time, prevents the serious accident of gas leakage in time, into And reduce the further expansion of probability and serious accident that accident damages staff；Additionally it is possible to detecting Before to exhaust blower overload and detect high to fire protection control center feedback exhaust blower in time after exhaust blower temperature is excessively high Warm pre-warning signal reduces the probability damaged to exhaust blower so that fire-fighting related personnel takes appropriate measures.

Embodiment three

Referring to Fig. 3, Fig. 3 is the linkage control side of another exhaust blower and gas electric valve disclosed by the embodiments of the present invention The flow diagram of method.The inter-linked controlling method of the exhaust blower and gas electric valve as shown in Figure 3 may comprise steps of:

301, whether Gas controller detection exhaust blower is in running order, if so, 302 are thened follow the steps, if not, Then follow the steps 301.

302, whether there is gas leakage in space locating for gas detector detection gas detector, if it is, executing Step 306, if not, thening follow the steps 303.

303, Gas controller sends the shutdown signal for closing exhaust blower to exhaust blower control circuit.

304, exhaust blower control circuit closes exhaust blower according to shutdown signal.

In embodiments of the present invention, the inter-linked controlling method of the exhaust blower and gas electric valve includes step 305- step 307, for the description of step 305- step 307, the detailed description that step 201- step 203 is directed in embodiment two is please referred to, The embodiment of the present invention repeats no more.

308, it is electronic to close combustion gas according to first control signal after receiving first control signal for combustion gas valve controling circuit Valve, and signal is turned off to Gas controller feedback gas valve.

309, exhaust blower control circuit starts exhaust blower according to second control signal after receiving second control signal, And exhaust blower enabling signal is fed back to Gas controller.

In embodiments of the present invention, the inter-linked controlling method of the exhaust blower and gas electric valve further includes step 310- step 315, for the description of step 310- step 315, the detailed description that step 206- step 211 is directed in embodiment two is please referred to, The embodiment of the present invention repeats no more.

316, whether there is also combustion gas in space locating for gas detector detection gas detector, if it is, executing Step 316, if not, thening follow the steps 317.

317, gas detector sends alarm release signal to Gas controller.

318, Gas controller receives alarm release signal, and electronic for opening combustion gas to the transmission of combustion gas valve controling circuit The third of valve controls signal, and controlling signal according to third to trigger combustion gas valve controling circuit opens gas electric valve and to exhaust blower Control circuit sends the 4th control signal for closing exhaust blower.

319, it is electronic to control signal unlatching combustion gas according to third after receiving third control signal for combustion gas valve controling circuit Valve.

320, exhaust blower control circuit is after receiving the 4th control signal, according to the 4th control signal-off exhaust blower.

In the embodiment of the present invention, by detecting the current gas concentration in space locating for gas detector lower than pre- If after concentration threshold value, so that combustion gas valve controling circuit control gas electric valve is opened, and making exhaust blower control circuit It controls exhaust blower to close, so that pipeline for gas starts to run well in time, can reduce gas leakage in this way to enterprise Caused by economic loss.

As an alternative embodiment, after Gas controller receives alarm release signal, and in combustion gas control It can also include following step before device processed sends the third control signal for opening gas electric valve to combustion gas valve controling circuit It is rapid:

Gas controller, which judges whether to detect, manually starts operation for start gas electric valve；

Operation is manually started if detected, is executed above-mentioned electric for opening combustion gas to the transmission of combustion gas valve controling circuit The third of dynamic valve controls signal.

As it can be seen that operation can be manually started receiving alarm release signal and detecting by implementing the embodiment of the present invention Afterwards, the third for opening gas electric valve is sent to combustion gas valve controling circuit and control signal, improve exhaust blower and combustion gas electricity The running safety of boiler room, reduces the probability that gas leakage accident occurs where dynamic valve.

As it can be seen that method described in implementing Fig. 3, can be realized the linkage control between exhaust blower and gas electric valve, with Gas electric valve is closed in time in gas leakage and opens exhaust blower in time, prevents the serious accident of gas leakage in time, into And reduce the further expansion of probability and serious accident that accident damages staff；Additionally it is possible to detecting Before to exhaust blower overload and detect high to fire protection control center feedback exhaust blower in time after exhaust blower temperature is excessively high Warm pre-warning signal reduces the probability damaged to exhaust blower so that fire-fighting related personnel takes appropriate measures；In addition, Gas leakage economic loss caused by enterprise can also be reduced.

Example IV

Referring to Fig. 4, Fig. 4 is the linkage control circuit of a kind of exhaust blower and gas electric valve disclosed by the embodiments of the present invention Structural schematic diagram.As shown in figure 4, the linkage control circuit of exhaust blower and gas electric valve includes: gas detector 401, combustion Airgun controller 402, combustion gas valve controling circuit 403 and exhaust blower control circuit 404, combustion gas valve controling circuit 403 is for controlling Gas electric valve, exhaust blower control circuit 404 is for controlling exhaust blower, in which:

Gas detector 401 when for having gas leakage in detecting space locating for gas detector 401, generates Gas leakage alarm signal is simultaneously sent to Gas controller 402.

In the embodiment of the present invention, gas detector 401 is also known as combustible gas probe, can be used for detecting the combustion in air Gas concentration, core original component are gas sensor.Gas detector 401 applied by the embodiment of the present invention can be catalytic type Combustible gas probe, semiconductor combustible gas probe or natural diffuseness combustion-type detector, the embodiment of the present invention do not limit It is fixed.

Gas controller 402 is sent to combustion gas valve controling circuit 403 for closing for receiving gas leakage alarm signal The first control signal of gas electric valve is closed, and sends the second control for starting exhaust blower to exhaust blower control circuit 404 Signal processed；Wherein, combustion gas valve controling circuit 403 and exhaust blower control circuit 404 are mutually indepedent.

Combustion gas valve controling circuit 403, for closing combustion gas according to first control signal after receiving first control signal Motor-driven valve.

Exhaust blower control circuit 404, for starting air draft according to second control signal after receiving second control signal Machine.

As an alternative embodiment, gas detector 401, can be also used for detecting gas detector 401 After having gas leakage in locating space, judge whether the gas concentration in space locating for gas detector 401 reaches pre- If concentration threshold value, if it is, triggering Gas controller 402 executes and receives gas leakage alarm signal, controlled to gas valve Circuit 403 sends the first control signal for closing gas electric valve, and sends to exhaust blower control circuit 404 for opening The operation of the second control signal of dynamic exhaust blower, if it is not, then the combustion gas in space locating for detection gas detector 401 is dense Degree.

As it can be seen that implement the optional embodiment, can gas concentration in the space locating for gas detector 401 it is high Gas leakage alarm signal is regenerated after the preset concentration threshold value, is reduced because detecting extremely thin combustion gas rather than combustion gas is let out Leakage, the probability that caused false alarm happens.

As an alternative embodiment, Gas controller 402, can be also used for receiving gas leakage alarm letter Number, the first control signal for closing gas electric valve is sent to combustion gas valve controling circuit 403, and control electricity to exhaust blower After road 404 sends second control signal for starting exhaust blower, current time is determined and by current time and gas leakage Data are sent to log recording apparatus (not shown), so that log recording apparatus storage gas leakage data and current time； Wherein, gas leakage data include at least the gas concentration in space locating for gas detector 401.

As it can be seen that implement Fig. 4 described in exhaust blower and gas electric valve linkage control circuit, can be realized exhaust blower and Linkage control between gas electric valve, to close gas electric valve in time in gas leakage and open exhaust blower in time, and When prevent the serious accident of gas leakage, and then reduce probability that accident damages staff and serious accident into One step expands.

Embodiment five

Referring to Fig. 5, Fig. 5 is the linkage control electricity of another exhaust blower and gas electric valve disclosed by the embodiments of the present invention The structural schematic diagram on road.Wherein, the linkage control circuit of exhaust blower and gas electric valve shown in fig. 5 is row as shown in Figure 4 What the linkage control circuit of blower and gas electric valve optimized.With exhaust blower shown in Fig. 4 and gas electric valve Linkage control circuit compares, in the linkage control circuit of exhaust blower shown in Fig. 5 and gas electric valve:

Exhaust blower control circuit 404 is also used to start after receiving second control signal and according to second control signal After exhaust blower, and when detecting exhaust blower overload, it is transmitted across by Gas controller 402 to fire protection control center negative Lotus alarm signal, and control exhaust blower starting sound and light of alarm；Wherein, in sound and light of alarm include sound alarm function and Light warning function.

Exhaust blower control circuit 404 is also used to detect the out code received for closing sound alarm function When, control exhaust blower closes sound alarm function.

Exhaust blower control circuit 404 is also used to detect that exhaust blower is converted to non-overload state by overload state When, control exhaust blower closes light warning function.

It should be noted that exhaust blower control circuit 404, can be also used in the non-overload of exhaust blower, air draft is detected The Current Temperatures of machine, and judge whether Current Temperatures are higher than preset temperature, if being higher than preset temperature, to fire protection control center Send exhaust blower high temperature pre-warning signal.

Gas detector 401 is also used in exhaust blower control circuit 404 after receiving second control signal, according to After two control signal enabling exhaust blowers, and when detecting in space locating for gas detector 401 there is no combustion gas, Xiang Ran Airgun controller 402 sends alarm release signal.

Gas controller 402 is also used to receive alarm release signal, and sends to combustion gas valve controling circuit 403 for opening The third control signal of gas electric valve is opened, controls signal unlatching combustion gas electricity to trigger combustion gas valve controling circuit 403 according to third Dynamic valve simultaneously controls signal for closing the 4th of exhaust blower the to the transmission of exhaust blower control circuit 404.

Combustion gas valve controling circuit 403 is also used to after receiving third control signal, controls signal according to third and open combustion Gas motor-driven valve.

Exhaust blower control circuit 404 is also used to after receiving the 4th control signal, according to the 4th control signal-off row Blower.

In the embodiment of the present invention, by detecting that the current gas concentration in space locating for gas detector 401 is low After preset concentration threshold value, so that combustion gas valve controling circuit 403 controls gas electric valve and opens, and make exhaust blower control Circuit 404 processed controls exhaust blower and closes, so that pipeline for gas starts to run well in time, can reduce combustion gas in this way and lets out Leak the economic loss caused by enterprise.

Combustion gas valve controling circuit 403 is also used to after closing gas electric valve according to first control signal, to combustion gas control Device 402 processed feeds back gas valve and is turned off signal.

Exhaust blower control circuit 404 is also used to after starting exhaust blower according to second control signal, to Gas controller 402 feedback exhaust blower enabling signals.

Gas controller 402 is also used to when detecting that exhaust blower is in running order, and triggering gas detector 401 is held When row has gas leakage in detecting space locating for gas detector 401, generates gas leakage alarm signal and be sent to combustion The operation of airgun controller 402.

Gas controller 402, when being also used to there is no gas leakage in detecting space locating for gas detector 401, The shutdown signal for closing exhaust blower is sent to exhaust blower control circuit 404.

Exhaust blower control circuit 404 is also used to close exhaust blower according to shutdown signal.

As an alternative embodiment, Gas controller 402 receives gas leakage alarm signal, controlled to gas valve Circuit 403 sends the first control signal for closing gas electric valve, and sends to exhaust blower control circuit 404 for opening The mode of the second control signal of dynamic exhaust blower specifically:

Gas controller 402 receives gas leakage alarm signal, and sends to combustion gas valve controling circuit 403 for closing combustion The first control signal of gas motor-driven valve closes gas electric valve to trigger combustion gas valve controling circuit 403 according to first control signal And the second control signal for starting exhaust blower is sent to exhaust blower control circuit 404.

As it can be seen that implementing the embodiment of the present invention, by increasing the control condition to exhaust blower control circuit 404, and then increase The entry condition of exhaust blower, can reduce exhaust blower in this way led to the probability of cause thermal damage because of frequent starting.

As an alternative embodiment, Gas controller 402, can be also used for receive alarm release signal it Afterwards, and before sending the third for opening gas electric valve to combustion gas valve controling circuit and controlling signal, judge whether to examine It measures and manually starts operation for start gas electric valve；Operation is manually started if detected, is executed to gas valve control Circuit processed sends the operation that the third for opening gas electric valve controls signal.

As it can be seen that implement Fig. 5 described in exhaust blower and gas electric valve linkage control circuit, can be realized exhaust blower and Linkage control between gas electric valve, to close gas electric valve in time in gas leakage and open exhaust blower in time, and When prevent the serious accident of gas leakage, and then reduce probability that accident damages staff and serious accident into One step expands；Additionally it is possible to before detecting exhaust blower overload and detect timely after exhaust blower temperature is excessively high Exhaust blower high temperature pre-warning signal is fed back to fire protection control center, so that fire-fighting related personnel takes appropriate measures, reduction pair The probability that exhaust blower damages；Additionally it is possible to reduce gas leakage economic loss caused by enterprise.

Referring to Fig. 6, Fig. 6 is a kind of structural schematic diagram of combustion gas valve controling circuit disclosed by the embodiments of the present invention.Such as Fig. 6 Shown, combustion gas valve controling circuit includes: first fuse 601, the first signal lamp 602, second signal lamp 603, third signal lamp 604, fourth signal lamp 605, the first A.C. contactor 606, the second A.C. contactor 607, the control of the first control button 608, second Button 609 processed, the first intermediate relay 610, the second intermediate relay 611, third intermediate relay 612, the first combustion gas are electronic Stroke of valve switch 613, the second gas electric valve travel switch 614, control transformer 615 and Gas controller linkage control are opened Close 616, in which:

One end after first pair of normally opened contact of the first control button 608 and the first A.C. contactor 606 is connected in parallel is divided It is not electrically connected with one end of one end of first fuse 601 and the first signal lamp 602, the first control button 608 and first is handed over First pair of normally opened contact of stream contactor 606 be connected in parallel after the other end and the second A.C. contactor 607 a pair of normally closed touching One of contact of point is electrically connected, among another contact and first of a pair of of normally-closed contact of the second A.C. contactor 607 One of contact of the normally-closed contact of relay 610 is electrically connected, another touching of the normally-closed contact of the first intermediate relay 610 Point be electrically connected with a coil-end of the first A.C. contactor 606, another coil-end of the first A.C. contactor 606 respectively with The electrical connection of one coil-end of the other end of the first signal lamp 602 and the second A.C. contactor 607.

The first pair of normally opened contact and third intermediate relay of second control button 609 and the second A.C. contactor 607 One end after 612 first pair of normally opened contact is connected in parallel is electrically connected with one end of first fuse 601, the second control button 609 are connected in parallel with first pair of normally opened contact of the second A.C. contactor 607 and the normally opened contact of third intermediate relay 612 The other end afterwards is electrically connected with one of contact of a pair of of normally-closed contact of the first A.C. contactor 606, the first ac contactor One of touching of a pair of of normally-closed contact of another contact of a pair of of normally-closed contact of device 606 and the second intermediate relay 611 Point electrical connection, another contact of a pair of of normally-closed contact of the second intermediate relay 611 are another with the second A.C. contactor 607 A coil-end electrical connection.

First pair of normally opened contact of the first A.C. contactor 606 and second pair of normally opened contact of the second A.C. contactor 607 One end after being connected in parallel is electrically connected with one end of first fuse 601, first pair of normally opened contact of the first A.C. contactor 606 One end electricity of the other end and second signal lamp 603 after being connected in parallel with second pair of normally opened contact of the second A.C. contactor 607 Connection, the other end of second signal lamp 603 are electrically connected with the other end of the first signal lamp 602.

The coil-end of third signal lamp 604 and the first intermediate relay 610 be connected in parallel after one end and second signal lamp 603 other end electrical connection, the coil-end of third signal lamp 604 and the first intermediate relay 610 be connected in parallel after the other end It is electrically connected with one end of the first gas electric valve travel switch 613.

The other end of first gas electric valve travel switch 613 is electrically connected with one end of first fuse 601, fourth signal One end of one end and the second gas electric valve travel switch 614 after lamp 605 is in parallel with the coil-end of the second intermediate relay 611 Electrical connection, the other end and the first signal lamp 602 after fourth signal lamp 605 is in parallel with the coil-end of the second intermediate relay 611 The other end electrical connection.

The other end electrical connection of second gas electric valve travel switch 614 is electrically connected with one end of first fuse 601；

One input terminal of control transformer 615 is electrically connected with one end of first fuse 601, control transformer 615 Another input terminal is electrically connected with the other end of the first signal lamp 602, and the output end and combustion gas for controlling transformer 615 control One end of device linkage control switch 616 is electrically connected, and controls the another output and third intermediate relay 612 of transformer 615 The electrical connection of a coil-end, the other end of Gas controller linkage control switch 616 is another with third intermediate relay 612 A coil-end electrical connection.

The other end of first fuse 601 is used to be electrically connected one end of the first power supply, and the other end of the first signal lamp 602 is used In the other end for being electrically connected the first power supply.

A pair of of normally opened contact of a pair of of normally opened contact of first intermediate relay 610 and the second intermediate relay 611 point Yong Yu not be electrically connected Gas controller, control transformer 615 an output end and third intermediate relay 612 another Coil-end is respectively used to electrical connection Gas controller, among one end of first fuse 601, third signal lamp 604 and first after The coil-end of electric appliance 610 be connected in parallel after the other end and fourth signal lamp 605 and the second intermediate relay 611 coil-end One end after parallel connection is for being electrically connected gas electric valve.

When the second control button 609 is pressed in the conductive state, the coil of the first A.C. contactor 606 obtain it is electric, A pair of of normally-closed contact of one A.C. contactor 606 is opened, and 607 place circuit of the second A.C. contactor disconnects, the first ac contactor Device 606 and the second A.C. contactor 607, which are formed, to be interlocked；Second pair of normally opened contact of the first A.C. contactor 606 is closed, the second letter Signal lamp 603 is lighted to indicate that gas electric valve is in operating status；First pair of normally opened contact of the first A.C. contactor 606 closes It closes, the second control button 609 is shorted, and the first A.C. contactor 606 is self-locking, and gas electric valve executes valve opening movement, the first combustion gas Motor-driven valve travel switch 613 is closed, and the first intermediate relay 610 must be electric, and third signal lamp 604 is lighted, to indicate that combustion gas is electronic Valve has been opened.

A pair of of normally opened contact of first intermediate relay 610 is closed, and feeds back gas valve open signal to Gas controller；The A pair of of normally-closed contact of one intermediate relay 610 disconnects, and 606 place circuit of the first A.C. contactor disconnects, and gas electric valve loses Electricity；A pair of of normally-closed contact of first A.C. contactor 606 is closed, 607 institute of the first A.C. contactor 606 and the second A.C. contactor It is released in the interlocking that circuit is formed；Second pair of normally opened contact of the first A.C. contactor 606 disconnects, and second signal lamp 603 extinguishes, To indicate gas electric valve not running.

Referring to Fig. 7, Fig. 7 is a kind of structural schematic diagram of exhaust blower control circuit disclosed by the embodiments of the present invention.Such as Fig. 7 Shown, exhaust blower control circuit includes: second fuse 701, the 5th signal lamp 702, the 6th signal lamp 703, the 7th signal lamp 704, the 8th signal lamp 705, multi-position switch 707, third control button 708, the 4th control button 709, the 5th control button 710, the 6th control button 711, the 7th control button 712, third A.C. contactor 713, the 4th intermediate relay the 714, the 5th Intermediate relay 715, manual rotary switch 716, electrothermal relay 717 and buzzer 718, in which:

The coil-end of third A.C. contactor 713 and the 6th signal lamp 703, the 7th signal lamp 704 be connected in parallel after one End is electrically connected with one end of the 5th signal lamp 702, and the other end of the 5th signal lamp 702 and one end of second fuse 701 are electrically connected It connects.

The coil-end of third A.C. contactor 713 be connected in parallel with the 6th signal lamp 703, the 7th signal lamp 704 after it is another One end is electrically connected with one end of manual rotary switch 716, the other end and the third control button 708 of manual rotary switch 716 One end electrical connection, first pair of normally opened contact of the 4th control button 709 and the 5th control button 710, third A.C. contactor 713 Second pair of normally opened touching of the other end and third intermediate relay 612 of one end and third control button 708 after being connected in parallel The contact electrical connection of point, first pair of the 4th control button 709 and the 5th control button 710, third A.C. contactor 713 Normally opened contact be connected in parallel after the other end be electrically connected with one end of second fuse 701, one end of the 6th control button 711 electricity Connection.

The first end of multi-position switch 707, third end are electrically connected with one end of second fuse 701 respectively, multi-position switch 707 Second end be electrically connected with the other end of the 6th control button 711, the 4th end of multi-position switch 707 and third intermediate relay Another contact of 612 second pair of normally opened contact is electrically connected.

The coil-end of 8th signal lamp, 705 fourth signal lamp 605 and the 4th intermediate relay 714 be connected in parallel after one end It is electrically connected with one end of the 5th signal lamp 702, the coil-end of the 8th signal lamp 705 and the 4th intermediate relay 714 is connected in parallel The other end afterwards is electrically connected with one end of electrothermal relay 717, the other end of electrothermal relay 717 respectively with second fuse 701 One end, the 4th intermediate relay 714 first pair of normally opened contact the electrical connection of a contact, the of the 4th intermediate relay 714 Another contact of a pair of of normally opened contact is electrically connected with a contact of a pair of of normally-closed contact of the 5th intermediate relay 715, the Another contact of a pair of of normally-closed contact of five intermediate relays 715 is electrically connected with one end of buzzer 718, buzzer 718 The other end is electrically connected with one end of the 5th signal lamp 702.

A pair of of normally opened contact of 7th control button 712 and the 5th intermediate relay 715 be connected in parallel after one end and the Another contact of first pair of normally opened contact of four intermediate relays 714 is electrically connected, among the 7th control button 712 and the 5th after The other end after a pair of of normally opened contact of electric appliance 715 is connected in parallel is electrically connected with a coil-end of the 5th intermediate relay 715, Another coil-end of 5th intermediate relay 715 is electrically connected with one end of the 5th signal lamp 702.

The other end of second fuse 701 is used to be electrically connected one end of second source, and the other end of the 5th signal lamp 702 is used In the other end of electrical connection second source.

Second pair of normally opened contact of third A.C. contactor 713, the 4th intermediate relay 714 second pair of normally opened contact, The 5th end to the 8th end of multi-position switch 707 is respectively used to electrical connection Gas controller.

6th signal lamp 703, manual rotary switch 717, third control button 709 and the installation of the 4th control button 710 On button box (not shown).

In the embodiment of the present invention, optionally, it can be returned to Gas controller when multi-position switch 707 is ported to manual position Return manual ringing；When multi-position switch 707 is ported to automated location automatic signal can be returned to Gas controller；When in third Between the coil of relay 612 when obtaining electric, a pair of of normally opened contact closure of third intermediate relay 612, when multi-position switch 707 is turned When to automated location, and when the 6th control button 711 is pressed in the conductive state, manual rotary switch 716 is in and leads Logical state；When manual rotary switch 716 is in the conductive state, the coil of third A.C. contactor 713 obtain it is electric, third exchange connect Second pair of normally opened contact of tentaculum 713 is closed, with to Gas controller return signal；When the coil of third A.C. contactor 713 When obtaining electric, the 6th signal lamp 703 and the 7th signal lamp 704 are lighted, to indicate that exhaust blower is in operating status；When third exchange connects When the coil of tentaculum 713 obtains electric, a pair of of normally opened contact of third A.C. contactor 713 is closed, so that the 5th control button 710 is short Connect it is self-locking to be formed so that the A.C. contactor in gas electric valve major loop is closed, to indicate that exhaust blower must electrically activate.

In the embodiment of the present invention, optionally, manual rotary switch 716 is in the conductive state and third control button 708 when being pressed, so that manual rotary switch 716 is in an off state, so that the coil of third A.C. contactor 713 obtains Electricity；When the coil of third A.C. contactor 713 obtains electric, second pair of normally opened contact of third A.C. contactor 713 is opened, with to Gas controller return signal；When the coil of third A.C. contactor 713 obtains electric, the 6th signal lamp 703 and the 7th signal lamp 704 extinguish, to indicate that exhaust blower is in shutdown status；When the coil of third A.C. contactor 713 obtains electric, third ac contactor A pair of of normally opened contact of device 713 is opened, so that the self-locking releasing that 710 place circuit of the 5th control button is formed, so that combustion A.C. contactor in gas motor-driven valve major loop disconnects, to indicate that exhaust blower power loss is shut down.

In the embodiment of the present invention, optionally, when manual rotary switch 716 is pressed in the conductive state, third exchange The coil of contactor 713 obtains electric, second pair of normally opened contact closure of third A.C. contactor 713, to return to Gas controller Signal；When the coil of third A.C. contactor 713 obtains electric, the 6th signal lamp 703 and the 7th signal lamp 704 are lighted, to indicate Exhaust blower is in operating status；When the coil of third A.C. contactor 713 obtains electric, a pair of third A.C. contactor 713 is often Contact closure is opened, so that the 5th control button 710 short circuit is self-locking to be formed, so that the exchange in gas electric valve major loop Contactor closure, to indicate that exhaust blower must electrically activate.

In the embodiment of the present invention, optionally, when exhaust blower overload, the normally opened contact of electrothermal relay 717 is closed, and the 4th Intermediate relay 714 must be electric, so that a pair of of normally opened contact of the 4th intermediate relay 714 is closed, the 8th 705 points of signal lamp Bright, to indicate exhaust blower, there are failures；When a pair of of normally opened contact of the 4th intermediate relay 714 closure, buzzer 718 obtains electric Buzzing, if pressing the 7th control button 712, a pair of of normally opened contact of the 5th intermediate relay 715 is closed so that the 7th control Button 712 formed in turn it is self-locking, a pair of of normally-closed contact of the 5th intermediate relay 715 open so that 718 power loss of buzzer in turn Stop buzzing.

In the embodiment of the present invention, optionally, it can be returned to Gas controller when multi-position switch 707 is ported to manual position Return manual ringing；When Gas controller, which issues, stops exhaust blower signal, Gas controller linkage control switch 616 is opened, the A pair of of normally opened contact of the coil losing electricity of three intermediate relays 612, third intermediate relay 612 is opened, by 707 turns of multi-position switch To automated location, to return to automatic signal to Gas controller；When the coil of third intermediate relay 612 obtains electric, in third Between relay 612 a pair of of normally opened contact closure, when multi-position switch 707 is ported to automated location, and when the 6th control press When button 711 is pressed in the conductive state, manual rotary switch 716 is in the conductive state；It is led when manual rotary switch 716 is in When logical state, the coil of third A.C. contactor 713 obtains electric, second pair of normally opened contact opening of third A.C. contactor 713, with To Gas controller return signal；When the coil of third A.C. contactor 713 obtains electric, the 6th signal lamp 703 and the 7th signal Lamp 704 extinguishes, to indicate that exhaust blower is in shutdown status；When the coil of third A.C. contactor 713 obtains electric, third exchange is connect A pair of of normally opened contact of tentaculum 713 is opened, so that the self-locking releasing that 710 place circuit of the 5th control button is formed, so that A.C. contactor in gas electric valve major loop disconnects, to indicate that exhaust blower power loss is shut down.

It should be noted that optional, the first above-mentioned signal lamp 602 and the 5th signal lamp 702 are white lamps；Second letter Signal lamp 603 and the 8th signal lamp 705 are amber light；Third signal lamp 604, the 6th signal lamp 703 and the 7th signal lamp 704 are Green light；Fourth signal lamp 605 is red colored lamp.

As it can be seen that implementing exhaust blower control circuit described in combustion gas valve controling circuit described in Fig. 6 and Fig. 7, Neng Goushi Linkage control between existing exhaust blower and gas electric valve, to close gas electric valve in time in gas leakage and open in time Exhaust blower prevents the serious accident of gas leakage in time, and then reduces probability and evil that accident damages staff The further expansion of sexual behavior event；Additionally it is possible to before detecting exhaust blower overload and detect exhaust blower temperature mistake Exhaust blower high temperature pre-warning signal is fed back to fire protection control center in time after high, is arranged accordingly so that fire-fighting related personnel takes It applies, reduces the probability damaged to exhaust blower；Additionally it is possible to reduce gas leakage economic loss caused by enterprise.

Above to a kind of inter-linked controlling method and control electricity of exhaust blower and gas electric valve disclosed by the embodiments of the present invention Road is described in detail, and used herein a specific example illustrates the principle and implementation of the invention, above The explanation of embodiment is merely used to help understand method and its core concept of the invention；Meanwhile for the general skill of this field Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this Description should not be construed as limiting the invention.

In the above-described embodiments, it can be realized wholly or partly by software, hardware, firmware or any combination thereof.When When using software realization, can entirely or partly it realize in the form of a computer program product.The computer program product packet Include one or more computer instructions.When loading on computers and executing the computer program instructions, entirely or partly It generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, special purpose computer, calculating Machine network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, Huo Zhecong One computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be with Pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line) from a web-site, computer, server or data center Or wireless (such as infrared, wireless, microwave etc.) mode is transmitted to another web-site, computer, server or data center. The computer-readable medium can be any usable medium that computer can access or include one or more available The data storage devices such as medium integrated server, data center.The usable medium can be magnetic medium (magnetic medium example Such as can be floppy disk, hard disk, tape), optical medium (such as CD) or semiconductor medium (such as solid state hard disk).Above-mentioned It in embodiment, all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, may refer to other The associated description of embodiment.

In several embodiments provided herein, it should be understood that disclosed device, it can be by others side Formula is realized.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, only A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussion phase Coupling, direct-coupling or communication connection between mutually can through some interfaces, the INDIRECT COUPLING or communication link of device or unit It connects, can be electrical or other forms.

Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, can be in one place, or may be distributed over multiple nets On network unit.Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.

In addition, each functional unit in each embodiment of the application can integrate in one processing unit, it is also possible to Each unit physically exists alone, and can also be integrated in one unit with two or more units.Above-mentioned integrated unit Both it can take the form of hardware realization, can also realize in the form of software functional units.

If above-mentioned integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product, It can store in a retrievable memory of computer.Based on this understanding, the technical solution of the application substantially or Say all or part of of the part that contributes to existing technology or the technical solution, it can body in the form of software products Reveal and, which is stored in a memory, including several requests are used so that a computer equipment (can be personal computer, server or network equipment etc., specifically can be the processor in computer equipment) executes sheet The all or part of the steps of each embodiment above method of application.

The above, above embodiments are only to illustrate the technical solution of the application rather than its limitations；Although referring to before Embodiment is stated the application is described in detail, however those skilled in the art should understand that；It still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And These are modified or replaceed, the spirit and model of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution It encloses.

Claims

1. the inter-linked controlling method of a kind of exhaust blower and gas electric valve, which is characterized in that the method is applied to include combustion gas Detector, Gas controller, combustion gas valve controling circuit and exhaust blower control circuit linkage control circuit in, the gas valve Control circuit is for controlling gas electric valve, and the exhaust blower control circuit is for controlling exhaust blower, which comprises

The gas detector detects in space locating for the gas detector whether have gas leakage, when detection result is yes When, it generates gas leakage alarm signal and is sent to the Gas controller；

The Gas controller receives the gas leakage alarm signal, sends to the combustion gas valve controling circuit for closing It states the first control signal of gas electric valve, and sends for starting the exhaust blower to the exhaust blower control circuit Two control signals；Wherein, the combustion gas valve controling circuit and the exhaust blower control circuit are mutually indepedent；

The combustion gas valve controling circuit is after receiving the first control signal, according to first control signal closing Gas electric valve；

The exhaust blower control circuit is after receiving the second control signal, according to second control signal starting Exhaust blower.

2. the method according to claim 1, wherein the Gas controller receives the gas leakage alarm letter Number, the first control signal for closing the gas electric valve is sent to the combustion gas valve controling circuit, and to the row Draught fan control circuit sends the second control signal for starting the exhaust blower, comprising:

The Gas controller receives the gas leakage alarm signal, and sends to the combustion gas valve controling circuit for closing The first control signal of the gas electric valve is closed with triggering the combustion gas valve controling circuit according to the first control signal The gas electric valve simultaneously sends the second control signal for starting the exhaust blower to the exhaust blower control circuit.

3. according to the method described in claim 2, it is characterized in that, the exhaust blower control circuit is receiving second control After signal processed, after starting the exhaust blower according to the second control signal, the method also includes:

The exhaust blower control circuit detect the exhaust blower whether overload, if the exhaust blower overload, passes through institute It states Gas controller and sends overload alarm signal to fire protection control center, and control the exhaust blower starting sound-light alarm function Energy；It wherein, include sound alarm function and light warning function in the sound and light of alarm；

The exhaust blower control circuit detects whether to receive the out code for closing the sound alarm function, if connect The out code is received, then controls the exhaust blower and closes the sound alarm function；

The exhaust blower control circuit detects whether the exhaust blower by the overload state is converted to non-overload state, such as Fruit is converted to the non-overload state by the overload state, then controls the exhaust blower and close light warning function.

4. according to the method described in claim 3, it is characterized in that, the exhaust blower control circuit is receiving second control After signal processed, after starting the exhaust blower according to the second control signal, the method also includes:

The Gas controller receives the alarm release signal, and described for opening to combustion gas valve controling circuit transmission The third of gas electric valve controls signal, to trigger the combustion gas valve controling circuit according to third control signal unlatching Gas electric valve simultaneously controls signal for closing the 4th of the exhaust blower the to exhaust blower control circuit transmission；

The combustion gas valve controling circuit is after receiving the third control signal, according to third control signal unlatching Gas electric valve；

The exhaust blower control circuit is after receiving the 4th control signal, according to the 4th control signal-off Exhaust blower.

5. method according to claim 1-4, which is characterized in that the method also includes:

The combustion gas valve controling circuit is after closing the gas electric valve according to the first control signal, to the combustion gas Controller feedback gas valve is turned off signal；

The exhaust blower control circuit is after starting the exhaust blower according to the second control signal, to the Gas controller Feed back exhaust blower enabling signal；

It is described and before the gas detector detects and whether has gas leakage in space locating for the gas detector Method further include:

Whether the Gas controller detects the exhaust blower in running order, if detecting that the exhaust blower is in described Working condition then triggers the gas detector and detects in space locating for the gas detector whether have gas leakage；

If not having gas leakage in space locating for the gas detector, the Gas controller is controlled to the exhaust blower Circuit sends the shutdown signal for closing the exhaust blower；

6. the linkage control circuit of a kind of exhaust blower and gas electric valve, which is characterized in that the linkage control circuit includes combustion Gas detector, Gas controller, combustion gas valve controling circuit and exhaust blower control circuit, the combustion gas valve controling circuit is for controlling Gas electric valve processed, the exhaust blower control circuit is for controlling exhaust blower, in which:

The gas detector when for having gas leakage in detecting space locating for the gas detector, generates combustion Gas leakage alarm signal is simultaneously sent to the Gas controller；

The Gas controller is used for for receiving the gas leakage alarm signal to combustion gas valve controling circuit transmission The first control signal of the gas electric valve is closed, and is sent to the exhaust blower control circuit for starting the air draft The second control signal of machine；Wherein, the combustion gas valve controling circuit and the exhaust blower control circuit are mutually indepedent；

The combustion gas valve controling circuit, for being closed according to the first control signal after receiving the first control signal Close the gas electric valve；

The exhaust blower control circuit, for being opened according to the second control signal after receiving the second control signal Move the exhaust blower.

7. linkage control circuit according to claim 6, which is characterized in that the Gas controller receives the combustion gas and lets out Alarm signal is leaked, sends the first control signal for closing the gas electric valve to the combustion gas valve controling circuit, and The mode for starting the second control signal of the exhaust blower is sent to the exhaust blower control circuit specifically:

8. linkage control circuit according to claim 7, which is characterized in that the exhaust blower control circuit is also used to After receiving after the second control signal and starting the exhaust blower according to the second control signal, and when detecting When the exhaust blower overload, overload alarm signal is sent to fire protection control center by the Gas controller, and control The exhaust blower starts sound and light of alarm；It wherein, include sound alarm function and light alarm function in the sound and light of alarm Energy；

The exhaust blower control circuit is also used to detect the out code received for closing the sound alarm function When, it controls the exhaust blower and closes the sound alarm function；

The exhaust blower control circuit is also used to detect that the exhaust blower is converted to non-overload by the overload state When state, controls the exhaust blower and close light warning function.

9. linkage control circuit according to claim 8, which is characterized in that the gas detector is also used to described Exhaust blower control circuit after receiving the second control signal, according to the second control signal start the exhaust blower it Afterwards, it and detects in space locating for the gas detector there is no when combustion gas, sends and alarm to the Gas controller Ring off signal；

The Gas controller is also used to receive the alarm release signal, and is used for combustion gas valve controling circuit transmission The third control signal for opening the gas electric valve, controls signal to trigger the combustion gas valve controling circuit according to the third It opens the gas electric valve and sends the 4th control signal for closing the exhaust blower to the exhaust blower control circuit；

The combustion gas valve controling circuit is also used to after receiving the third control signal, controls signal according to the third Open the gas electric valve；

The exhaust blower control circuit is also used to after receiving the 4th control signal, according to the 4th control signal Close the exhaust blower.

10. according to the described in any item linkage control circuits of claim 6-9, which is characterized in that the combustion gas valve controling circuit, It is also used to after closing the gas electric valve according to the first control signal, feeds back gas valve to the Gas controller It is turned off signal；

The exhaust blower control circuit is also used to after starting the exhaust blower according to the second control signal, to the combustion Airgun controller feeds back exhaust blower enabling signal；

The Gas controller is also used to when detecting that the exhaust blower is in the working condition, is triggered the combustion gas and is visited When surveying device execution has gas leakage in detecting space locating for the gas detector, it is concurrent to generate gas leakage alarm signal It send to the operation of the Gas controller；

The Gas controller, when being also used to there is no gas leakage in detecting space locating for the gas detector, to The exhaust blower control circuit sends the shutdown signal for closing the exhaust blower；

11. linkage control circuit according to claim 10, which is characterized in that the combustion gas valve controling circuit includes first Fuse, the first signal lamp, second signal lamp, third signal lamp, fourth signal lamp, the first A.C. contactor, the second exchange connect Tentaculum, the first control button, the second control button, the first intermediate relay, the second intermediate relay, third intermediate relay, First gas electric valve travel switch, the second gas electric valve travel switch, control transformer and Gas controller linkage control System switch, in which:

Distinguish one end after first pair of normally opened contact of first control button and first A.C. contactor is connected in parallel It is electrically connected with one end of one end of the first fuse and first signal lamp, first control button and described the First pair of normally opened contact of one A.C. contactor be connected in parallel after the other end and second A.C. contactor a pair it is normally closed One of contact of contact is electrically connected, another contact of a pair of of normally-closed contact of second A.C. contactor and described the One of contact of the normally-closed contact of one intermediate relay is electrically connected, the normally-closed contact of first intermediate relay it is another A contact is electrically connected with a coil-end of first A.C. contactor, another coil-end of first A.C. contactor It is electrically connected respectively with a coil-end of the other end of first signal lamp and second A.C. contactor；Described second First pair of the first pair of normally opened contact and the third intermediate relay of control button and second A.C. contactor is often One end after opening contact shunt connection is electrically connected with one end of the first fuse, second control button and described second First pair of normally opened contact of A.C. contactor and the normally opened contact of the third intermediate relay be connected in parallel after the other end It is electrically connected with one of contact of a pair of of normally-closed contact of first A.C. contactor, the one of first A.C. contactor Another contact of normally-closed contact is electrically connected with one of contact of a pair of of normally-closed contact of second intermediate relay, Another coil of another contact of a pair of of normally-closed contact of second intermediate relay and second A.C. contactor End electrical connection；Second pair of normally opened touching of the first pair of normally opened contact and second A.C. contactor of first A.C. contactor One end after point is connected in parallel is electrically connected with one end of the first fuse, and first pair of first A.C. contactor is normally opened Second pair of normally opened contact of contact and second A.C. contactor be connected in parallel after the other end and the second signal lamp One end electrical connection, the other end of the second signal lamp are electrically connected with the other end of first signal lamp；The third signal One end after the coil-end of lamp and the first intermediate contactor is connected in parallel is electrically connected with the other end of the second signal lamp, The coil-end of the third signal lamp and the first intermediate contactor be connected in parallel after the other end and first combustion gas electricity One end electrical connection of dynamic stroke of valve switch；The other end of the first gas electric valve travel switch and the first fuse One end and second combustion after the coil-end of one end electrical connection, the fourth signal lamp and the second intermediate contactor is in parallel Pneumoelectric moves one end electrical connection of stroke of valve switch, after the coil-end parallel connection of the fourth signal lamp and the second intermediate contactor The other end be electrically connected with the other end of first signal lamp；The other end of the second gas electric valve travel switch is electrically connected It connects and is electrically connected with one end of the first fuse；An input terminal and the one of the first fuse for the control transformer Another input terminal of end electrical connection, the control transformer is electrically connected with the other end of first signal lamp, the control One output end of transformer is electrically connected with one end that the Gas controller linkage control switchs, described to control the another of transformer One output end is electrically connected with a coil-end of the third intermediate relay, the Gas controller linkage control switch The other end is electrically connected with another coil-end of the third intermediate relay；

The other end of the first fuse is used to be electrically connected one end of the first power supply, and the other end of first signal lamp is used for It is electrically connected the other end of first power supply；Among a pair of of normally opened contact of first intermediate relay and described second after A pair of of normally opened contact of electric appliance is respectively used to be electrically connected the Gas controller, an output end of the control transformer and Another coil-end of the third intermediate relay is respectively used to be electrically connected the Gas controller, the first fuse The coil-end of one end, the third signal lamp and the first intermediate contactor be connected in parallel after the other end and the described 4th One end after the coil-end of signal lamp and the second intermediate contactor is in parallel is for being electrically connected the gas electric valve；

When second control button is pressed in the conductive state, the coil of first A.C. contactor obtain it is electric, it is described A pair of of normally-closed contact of first A.C. contactor is opened, and circuit disconnects where second A.C. contactor, first exchange Contactor and second A.C. contactor, which are formed, to be interlocked；Second pair of normally opened contact of first A.C. contactor is closed, institute Second signal lamp is stated to light to indicate that the gas electric valve is in operating status；First pair of first A.C. contactor is often Contact closure is opened, second control button is shorted, and first A.C. contactor is self-locking, and the gas electric valve executes valve opening Movement, the first gas electric valve travel switch are closed, and first intermediate relay obtains electric, the third signal lamp point It is bright, to indicate that the gas electric valve has been opened；A pair of of normally opened contact of first intermediate relay is closed, to the combustion gas Controller feeds back gas valve open signal；A pair of of normally-closed contact of first intermediate relay disconnects, and first exchange connects Circuit disconnects where tentaculum, the gas electric valve power loss；A pair of of normally-closed contact of first A.C. contactor is closed, described The interlocking that circuit where first A.C. contactor and second A.C. contactor is formed releases；First A.C. contactor Second pair of normally opened contact disconnects, and the second signal lamp extinguishes, to indicate the gas electric valve not running.

12. linkage control circuit according to claim 11, which is characterized in that the exhaust blower control circuit includes second Fuse, the 5th signal lamp, the 6th signal lamp, the 7th signal lamp, the 8th signal lamp, multi-position switch, third control button, the 4th Control button, the 5th control button, the 6th control button, the 7th control button, third A.C. contactor, the 4th intermediate relay Device, the 5th intermediate relay, manual rotary switch, electrothermal relay and buzzer, in which:

The coil-end of the third A.C. contactor and the 6th signal lamp, the 7th signal lamp be connected in parallel after one end It is electrically connected with one end of the 5th signal lamp, the other end of the 5th signal lamp and one end of the second fuse are electrically connected It connects；The coil-end of the third A.C. contactor be connected in parallel with the 6th signal lamp, the 7th signal lamp after it is another End is electrically connected with one end of the manual rotary switch, the other end of the manual rotary switch and the third control button One end electrical connection, the 4th control button and the 5th control button, first pair of the third A.C. contactor it is normally opened The other end of one end and the third control button after contact shunt connection and second pair of the third intermediate relay One contact of normally opened contact is electrically connected, the 4th control button and the 5th control button, the third ac contactor First pair of normally opened contact of device be connected in parallel after the other end be electrically connected with one end of the second fuse, it is described 6th control One end of button is electrically connected；The first end of the multi-position switch, third end are electrically connected with one end of the second fuse respectively, The second end of the multi-position switch is electrically connected with the other end of the 6th control button, the 4th end of the multi-position switch and institute State another contact electrical connection of second pair of normally opened contact of third intermediate relay；Among 8th signal lamp and the described 4th One end after the coil-end of relay is connected in parallel is electrically connected with one end of the 5th signal lamp, the 8th signal lamp and institute State the 4th intermediate relay coil-end be connected in parallel after the other end be electrically connected with one end of the electrothermal relay, it is described heat after The other end of electric appliance respectively with one end of the second fuse, first pair of normally opened contact of the 4th intermediate relay one A contact electrical connection, another contact of first pair of normally opened contact of the 4th intermediate relay and the 5th intermediate relay One contact of a pair of of normally-closed contact of device is electrically connected, another contact of a pair of of normally-closed contact of the 5th intermediate relay It is electrically connected with one end of the buzzer, the other end of the buzzer is electrically connected with one end of the 5th signal lamp；It is described A pair of of normally opened contact of 7th control button and the 5th intermediate relay be connected in parallel after one end and the described 4th among Another contact of first pair of normally opened contact of relay is electrically connected, the 7th control button and the 5th intermediate relay A pair of of normally opened contact be connected in parallel after the other end be electrically connected with a coil-end of the 5th intermediate relay, described Another coil-end of five intermediate relays is electrically connected with one end of the 5th signal lamp；

The other end of the second fuse is used to be electrically connected one end of second source, and the other end of the 5th signal lamp is used for It is electrically connected the other end of the second source；Second pair of normally opened contact of the third A.C. contactor, among the described 4th after Second pair of normally opened contact of electric appliance, the 5th end to the 8th end of the multi-position switch are respectively used to be electrically connected the combustion gas control Device.

13. linkage control circuit according to claim 12, which is characterized in that the 6th signal lamp, the manual rotation It turns on pass, the third control button and the 4th control button and is mounted on button box.