CN206724225U - Ignition system - Google Patents

Abstract

The utility model provides a kind of ignition system, for for the furnace igniting that gasifies, including：Single-chip microcomputer, gas electromagnetic valve, igniter and control input device, control input device, gas electromagnetic valve and igniter are and monolithic mechatronics, the control signal that single-chip microcomputer is used to be inputted according to control input device controls the opening and closing of gas electromagnetic valve and the ignition operation of igniter, control input device includes being used for the local control assembly for receiving local control signal, remote control component and switching for receiving remote control signal switch, switching switch is used to select the electrical connection between electrical connection or single-chip microcomputer and the remote control component between a connection single-chip microcomputer and local control assembly, so that single-chip microcomputer is lighted a fire by local control signal or by remote control signal.Ignition system provided by the utility model can realize long-range and two ways controls gasification furnace igniting on the spot, improves the security of igniting.

Description

Ignition system

Technical field

It the utility model is related to a kind of industrial equipment control technology field, more particularly to a kind of ignition system.

Background technology

Gasification furnace is currently used industrial equipment, substantial amounts of liquefied gas is needed to use in its ignition process, therefore have There is very big danger, can the security that improve gasification furnace ignition operation be particularly important.

Traditional gasification furnace igniter is mainly led to using local control device control igniting, the local control device mostly Cross the control panel based on button or switch gate valve and input firing command, control device to the control device inside igniter Gas electromagnetic valve is controlled to open after receiving firing command, while igniter discharge igniting, complete the igniting inside gasification furnace Journey.

But the control mode on the spot of the use of this traditional gasification furnace igniter is, it is necessary to operating personnel's distance gasification Operational control panel in the nearer region of stove, such mode do not utilize the personal safety of operating personnel, correspondingly can dropped yet Low ignition efficiency.

Utility model content

Based on above-mentioned technical problem, the utility model, which provides a kind of ignition system, can realize long-range and two ways on the spot Control gasification furnace igniting, improve the security of igniting.

The utility model provides a kind of ignition system, for for the furnace igniting that gasifies, including：Single-chip microcomputer, gas electromagnetic valve, point Firearm and control input device, control input device, gas electromagnetic valve and igniter are used with monolithic mechatronics, single-chip microcomputer In the opening and closing of control signal control gas electromagnetic valve and the ignition operation of igniter that are inputted according to control input device, control Input unit includes being used to receive the local control assembly of local control signal, the remote control for receiving remote control signal Component and switching switch, and switching switch is used to select electrical connection or the single-chip microcomputer between a connection single-chip microcomputer and local control assembly With the electrical connection between remote control component so that single-chip microcomputer is carried out by local control signal or by remote control signal Igniting.

In above-mentioned ignition system, it is preferred that remote control component includes wireless communication unit, and wireless communication unit is used In with remote control station carry out radio communication.

In above-mentioned ignition system, it is preferred that remote control component includes Landline communication unit, and Landline communication unit leads to Cross electric connection line and remote control station electrical connection.

In above-mentioned ignition system, it is preferred that local control assembly includes guidance panel.

In above-mentioned ignition system, it is preferred that also include the fire defector for being used to detect the fired state of ignition system Device, flame detector and monolithic mechatronics, and when detecting ignition system fires, flare up fire is sent to single-chip microcomputer.

In above-mentioned ignition system, it is preferred that also including status indicator lamp, status indicator lamp and monolithic mechatronics, Lamplight pointing is carried out with the flare up fire according to received by single-chip microcomputer.

In above-mentioned ignition system, it is preferred that be also used for respectively combustion gas electromagnetism including power subsystem, power subsystem One or more of valve, igniter, control input device and single-chip microcomputer are powered.

In above-mentioned ignition system, it is preferred that include timer in single-chip microcomputer, timer is used to make single-chip microcomputer according to pre- If interval time sends the first control signal for controlling the opening and closing of gas electromagnetic valve and the point for controlling igniter respectively Second control signal of fire operation.

In above-mentioned ignition system, it is preferred that flame detector is ultraviolet light flame detector, visible ray fire defector Any of which of device and infrared light flame detector.

Ignition system provided by the utility model can select a connection monolithic by the switching switch in control input device The electrical connection between electrical connection or single-chip microcomputer and remote control component between machine and local control assembly, realizes remote control Component or local control assembly input control signal to single-chip microcomputer, so as to further realize the igniting of the remote control of gasification furnace and this Ground control igniting, improve the security of igniting.Traditional PLC (Programmable is replaced by single-chip microcomputer Logic Controller, programmable logic controller (PLC)) reduce the volume and production cost of igniter.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation for the ignition system that the utility model embodiment one provides；

Fig. 2 is the schematic flow sheet for the ignition method that the utility model embodiment two provides；

Fig. 3 is to judge the schematic flow sheet after loss of ignition in Fig. 2；

Fig. 4 is to judge the schematic flow sheet after loss of ignition in Fig. 3.

Description of reference numerals：

10- single-chip microcomputers；20- gas electromagnetic valves；30- igniters；

40- control input devices；50- flame detectors；60- status indicator lamps；

70- power subsystems；41- locals control assembly；42- remote control components；

43- switching switches.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.

Embodiment one

Fig. 1 is the structural representation for the ignition system that the utility model embodiment one provides.

As shown in figure 1, the utility model embodiment one provides a kind of ignition system, for for the furnace igniting that gasifies, including：It is single Piece machine 10, gas electromagnetic valve 20, igniter 30 and control input device 40, control input device 40, gas electromagnetic valve 20 and Igniter 30 electrically connects with single-chip microcomputer 10, and the control signal that single-chip microcomputer 10 is used to be inputted according to control input device 40 controls The opening and closing of gas electromagnetic valve 20 and the ignition operation of igniter 30, control input device 40 include being used to receive local control signal Local control assembly 41, the remote control component 42 for receiving remote control signal and switching switch 43, switching switch 43 For selecting electrical connection or single-chip microcomputer 10 and remote control component 42 between a connection single-chip microcomputer 10 and local control assembly 41 Between electrical connection so that single-chip microcomputer 10 is lighted a fire by local control signal or by remote control signal.

It should be noted that the ignition system that provides of the utility model embodiment one by control input device 40 to monolithic Machine 10 inputs control instruction, and single-chip microcomputer 10 sends combustion gas electricity to gas electromagnetic valve 20 and igniter 30 respectively after receiving control instruction The opening and closing of magnet valve 20 instruction and firing command, complete the ignition process in gasification furnace.Wherein, control input device 40 includes being used to connect Receive local control assembly 41, the remote control component 42 for receiving remote control signal and the switching switch of local control signal 43, switching switch 43 be used to selecting electrical connections between a connection single-chip microcomputer 10 and local control assembly 41 or single-chip microcomputer 10 with it is remote Electrical connection between process control component 42.Switching switch 43 is connected by connecting local control assembly 41 with the circuit of single-chip microcomputer 10 Realize that single-chip microcomputer 10 is lighted a fire by local control signal, now the circuit of remote control component 42 and single-chip microcomputer 10 is connected as Dissengaged positions.Switching switch 43 can be also connected by connecting remote control component 42 with the circuit of single-chip microcomputer 10 and realize single-chip microcomputer 10 Lighted a fire by remote control signal, likewise, now local control assembly 41 and the circuit connection state of single-chip microcomputer 10 are Dissengaged positions.Single-chip microcomputer 10 is only capable of selecting a reception local control signal or remote control signal.

Herein, it is necessary to which the single-chip microcomputer 10 of STM32 models can be selected in explanation, single-chip microcomputer 10.Igniter 30 is mainly logical Overdischarge is lighted a fire, and is discharged between two motors of igniter 30 by semi-conducting material, is not only effectively reduced discharge voltage, and And reduce the galvanic action of electrode, improve the self-purification capacity of discharger sparking plug.

Specifically, remote control component 42 includes wireless communication unit, wireless communication unit is used for and remote control station enters Row radio communication.

It should be noted that remote control component 42 can be realized by wireless communication unit remote control component 42 with it is long-range The communication connection of control station, it is adapted to distant signal transmission, transmits convenient and swift.Wireless communication unit includes signal transmission and set Standby, signal transmission media, signal receiver, wherein apparatus for transmitting signal are arranged on remote control station end, signal receiver Installed in the end of remote control component 42, and signal transmission media can be airwave communication, including 3G, 4G, wlan network, indigo plant Tooth system or broadband satellite system.

Specifically, remote control component 42 includes Landline communication unit, Landline communication unit is by electric connection line and remotely Control station electrically connects.

It should be noted that remote control component 42 equally can also realize remote control component 42 by Landline communication unit With the communication connection of remote control station, it is adapted to short-range signal transmission, stable signal transmission, strong antijamming capability.Wire communication Unit mainly transmits signal by tangible medias such as plain conductor, optical fiber.In use, can be according to the region position of reality Put, the requirement such as request signal transmission and production cost optionally uses wireless communication unit and Landline communication unit.

Specifically, local control assembly 41 includes guidance panel.

It should be noted that control panel can be selected in local control assembly 41 as signal input apparatus, control panel Traditional button and gate valve switch etc. can be selected, touch-screen also can be selected.

Specifically, the ignition system that the utility model embodiment one provides also includes being used for the igniting shape for detecting ignition system The flame detector 50 of state, flame detector 50 and single-chip microcomputer 10 electrically connect, and when detecting ignition system fires state, to Single-chip microcomputer 10 sends flare up fire.

It should be noted that the ignition system of the utility model embodiment one is additionally provided with flame detector 50, flame inspection Survey device 50 to be arranged on inside gasification furnace, electrically connected with single-chip microcomputer 10.Flare up fire for detecting inside gasification furnace simultaneously should Flare up fire is sent to single-chip microcomputer 10.The operation principle of the flame detector 50 is mainly：The probe of flame detector 50 passes through The flame temperature in gasification furnace is detected, the analog signal of the flame temperature is converted into pulse signal transmission to monolithic by circuit Machine 10, the circuit can have Signal Matching circuit, Schmidt trigger, single-shot trigger circuit.When flame temperature values are higher than pre- If temperature value after, single-chip microcomputer 10 is then defined as lighting a fire successfully, conversely, then loss of ignition.

Specifically, the ignition system that the utility model embodiment one provides also includes status indicator lamp, status indicator lamp 60 Electrically connected with single-chip microcomputer 10, lamplight pointing is carried out with the flare up fire according to received by single-chip microcomputer 10.

It should be noted that in order that operating personnel conveniently obtain igniting result, the utility model embodiment Ignition system is additionally provided with status indicator lamp, and the status indicator lamp 60 electrically connects with single-chip microcomputer 10, and it can be the shape of solid color After state indicator lamp 60, i.e. single-chip microcomputer 10 receive the flare up fire of the transmission of flame detector 50, single-chip microcomputer 10 is to status indicator lamp 60 send bright light instruction, and operating personnel can determine whether to light a fire in gasification furnace to complete according to lamp is bright.Conversely, operating personnel then can basis Lamp, which goes out, judges loss of ignition in gasification furnace.

Further, two different status indicator lamps of color 60, e.g. first state indicator lamp 60 be may also be configured to For green, the second status indicator lamp 60 is red, after single-chip microcomputer 10 receives flare up fire, is sent to first state indicator lamp 60 Bright light instructs, conversely, then sending bright light instruction to the second status indicator lamp 60.Operating personnel are according to the color of status indicator lamp 60 Judge whether gasification furnace Novel interior ignition succeeds.

Specifically, the ignition system that the utility model embodiment provides also includes power subsystem 70, power subsystem 70 is used for Respectively one or more of gas electromagnetic valve 20, igniter 30, control input device 40 and single-chip microcomputer 10 are powered.

It should be noted that the ignition system that the utility model embodiment one provides also includes power subsystem 70, the power supply Unit 70 is ignition system in-line power.The mode of centrally connected power supply may be selected in power supply, i.e. power subsystem 70 is electrically connected with single-chip microcomputer 10 Connect, and single-chip microcomputer 10 is electrically connected with gas electromagnetic valve 20, igniter 30, control input device 40, so as to realize igniting system The power supply of system, the centrally connected power supply are easy to manage, and reduce the connection of ignition system internal circuit.Power supply is also optional independently-powered, i.e., Power subsystem 70 is directly connected with gas electromagnetic valve 20, igniter 30, control input device 40 and single-chip microcomputer 10, and this is independently supplied The independent management to ignition system all parts can be achieved in electricity, is to be easy to repair there is circuit problem.

Specifically, including timer in single-chip microcomputer 10, timer is used to make single-chip microcomputer 10 according to preset interval time distinguish Send the of the first control signal for controlling the opening and closing of gas electromagnetic valve 20 and the ignition operation for controlling igniter 30 Two control signals.

It should be noted that in order to improve the success rate of igniting, need to fill inside the gasification furnace of igniter 30 a certain amount of Combustion gas.Also include timer in the single-chip microcomputer 10 for the ignition system that the utility model embodiment provides, for making single-chip microcomputer 10 Send the first control signal of the opening and closing for controlling gas electromagnetic valve 20 respectively according to preset interval time and for control point Second control signal of the ignition operation of firearm 30.When the transmission time of second control signal is later than the transmission of the first control signal Between, that is, gas electromagnetic valve 20 is first turned on, combustion gas is passed through to gasification furnace inside, opens igniter 30 after being spaced preset time, i.e., Ignition success rate can be improved.The default interval time can be 10-20s, and the preset interval time also can be according in gasification furnace Chamber volume is increased or decreased, and the present embodiment is not limited to this.

Specifically, flame detector 50 is ultraviolet light flame detector 50, visible ray flame detector 50 and infrared flare up Any of which of flame detector 50.

It should be noted that flame detector 50 can be ultraviolet light flame detector, visible ray flame detector and red Any of which of outer smooth flame detector, ultraviolet light flame detector mainly detect flame temperature by ultraviolet light sensing tube, Spectral region is between 190-280nm.Visible ray flame detector is used as sensing element senses flame temperature by photodiode Degree, spectral region is between 600-3000nm.And infrared light flame detector mainly passes through vulcanized lead or the photosensitive electricity of cadmium sulfide Resistance is used as sensing element senses flame temperature.General burned flame is respectively provided with certain infra-red radiation, and these radius are not Easily absorbed by coal dust, vapor and other combustion products, therefore with compared with high measurement accuracy.

The ignition system that the utility model embodiment one provides can pass through the switching switch 43 in control input device 40 Select between electrical connection or single-chip microcomputer 10 and the remote control component 42 between a connection single-chip microcomputer 10 and local control assembly 41 Electrical connection, realize remote control component 42 or local control assembly 41 to single-chip microcomputer 10 input control signal, so as to further The remote control igniting and local control for realizing gasification furnace are lighted a fire, and improve the security of igniting.Replaced by single-chip microcomputer 10 Traditional PLC, reduce the volume and production cost of igniter.

Embodiment two

Fig. 2 is the schematic flow sheet for the ignition method that the utility model embodiment two provides, and Fig. 3 is that igniting is judged in Fig. 2 Schematic flow sheet after failure, Fig. 4 are to judge the schematic flow sheet after loss of ignition in Fig. 3.As Figure 1-Figure 4, this practicality A kind of ignition method that new embodiment two provides, apply among the ignition system provided in above-described embodiment one, specific behaviour It is as process：

S1：Control input device 40 sends control signal to single-chip microcomputer 10.

S2：Single-chip microcomputer 10 sends the first control signal to gas electromagnetic valve 20.

S3：Single-chip microcomputer 10 sends the second control signal to igniter 30.

S4：Flame detector 50 judges whether igniting succeeds, and flare up fire is sent according to the flare up fire detected To single-chip microcomputer 10.

S5：Flame detector 50 judges to light a fire successfully, and the successful flare up fire that will light a fire is sent to single-chip microcomputer 10.

S6：Single-chip microcomputer 10 sends the 3rd control signal for closing igniter 30 to igniter 30.

S7：Single-chip microcomputer 10 sends the instruction of green state lamp bright light to status indicator lamp 60.

It should be noted that the utility model embodiment two is provided in ignition method, control input device 40 receives first The control signal sent to local control assembly 41 or remote control component 42, the switching switch 43 in ignition system can select one and connect Lead to the connection status of local control assembly 41 or remote control component 42 and control input device 40, so as to realize the single-chip microcomputer 10 Select an execution local control assembly 41 or the control signal of the transmission of remote control component 42.Control input device 40 believes the control Number send to single-chip microcomputer 10, single-chip microcomputer 10 is received after control signal according to preset interval time successively to gas electromagnetic valve 20 and point Firearm 30 sends the first control signal and the second control signal.First control signal control control gas electromagnetic valve 20 is opened, to Combustion gas is passed through inside gasification furnace, after preset interval time, the second control signal control igniter 30, which is opened, is lighted a fire.Flame Detector 50 detects the temperature inside gasification furnace, judges whether to light a fire successfully.If lighting a fire successfully, will light a fire successful flare up fire To single-chip microcomputer 10, single-chip microcomputer 10 sends the 3rd control letter for closing igniter 30 to igniter 30 after receiving flare up fire for transmission Number, and send the bright light of green state indicator lamp 60 to status indicator lamp 60 and indicate, show to light a fire successfully.

Wherein in S4, if judging loss of ignition, the ignition method is further comprising the steps of：

S41：Flame detector 50 judges loss of ignition, and the flare up fire of loss of ignition is sent into single-chip microcomputer 10.

S42：Single-chip microcomputer 10 sends the second control signal to igniter 30.

S43：Flame detector 50 judges whether igniting succeeds, and flare up fire is sent out according to the flare up fire detected Give single-chip microcomputer 10.

S44：Flame detector 50 judges to light a fire successfully, and the successful flare up fire that will light a fire is sent to single-chip microcomputer 10.

S45：Single-chip microcomputer 10 sends the 3rd control signal for closing igniter 30 to igniter 30.

S46：Single-chip microcomputer 10 sends the instruction of green state lamp bright light to status indicator lamp 60.

It should be noted that when in S4, after judging loss of ignition, single-chip microcomputer 10 receives the point that flame detector 50 is sent The flare up fire of fire failure, and lighted a fire to second of the second control signal of transmission of igniter 30, control igniter 30, now combustion gas Magnetic valve 20 is always to be in open mode.Flame detector 50 is detected for second, judges whether igniting succeeds.If judge Light a fire successfully, then the successful flare up fire that will light a fire is sent to single-chip microcomputer 10, and single-chip microcomputer 10 is received after flare up fire to igniter 30 send the 3rd control signal for closing igniter 30, and send the bright light of green state indicator lamp 60 to status indicator lamp 60 and refer to Show, show to light a fire successfully.

Herein, it should be pointed out that step S41-S46 shows that single-chip microcomputer 10 performs secondary ignition process, in reality Ignition operation in, the ignition process be not only limited to perform twice, can according to be actually needed increase and decrease perform number.

Wherein in S43, if judging loss of ignition, the ignition method is further comprising the steps of：

S431：Flame detector 50 judges loss of ignition, and the flare up fire of loss of ignition is sent into single-chip microcomputer 10.

S432：Single-chip microcomputer 10 sends the 4th control signal for closing gas electromagnetic valve 20 to gas electromagnetic valve 20.

S433：Single-chip microcomputer 10 sends the instruction of red status light bright light to status indicator lamp 60.

It should be noted that when in S43, after still judging loss of ignition, single-chip microcomputer 10 receives the flame letter of loss of ignition Number, and the 4th control signal for closing gas electromagnetic valve 20 is sent to gas electromagnetic valve 20, while sent to status indicator lamp 60 The bright light of red status indicator lamp 60 indicates, shows that ignition system fires fail.Operating personnel's maintenance down is now needed, mainly For the maintenance of igniter 30 and gas electromagnetic valve 20.

The ignition method that the utility model embodiment two provides can pass through the switching switch 43 in control input device 40 Select between electrical connection or single-chip microcomputer 10 and the remote control component 42 between a connection single-chip microcomputer 10 and local control assembly 41 Electrical connection, realize remote control component 42 or local control assembly 41 to single-chip microcomputer 10 input control signal, so as to further The remote control igniting and local control for realizing gasification furnace are lighted a fire, and improve the security of igniting.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light Disk etc. is various can be with the medium of store program codes.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (9)

1. a kind of ignition system, for for the furnace igniting that gasifies, it is characterised in that including：Single-chip microcomputer, gas electromagnetic valve, igniter It is electromechanical with control input device, the control input device, the gas electromagnetic valve and the equal and described monolithic of the igniter Connection, the control signal that the single-chip microcomputer is used to be inputted according to the control input device control opening for the gas electromagnetic valve The ignition operation with the igniter is closed, the control input device includes being used for the local control group for receiving local control signal Part, the remote control component for receiving remote control signal and switching switch, the switching switch are used to select described in a connection The electricity between electrical connection or the single-chip microcomputer and the remote control component between single-chip microcomputer and the local control assembly Connection, so that the single-chip microcomputer is lighted a fire by local control signal or by remote control signal.

2. ignition system according to claim 1, it is characterised in that the remote control component includes radio communication list Member, the wireless communication unit is used for and remote control station carries out radio communication.

3. ignition system according to claim 1, it is characterised in that the remote control component includes wired communication unit Member, the Landline communication unit are electrically connected by electric connection line and remote control station.

4. according to the ignition system described in claim any one of 1-3, it is characterised in that the local control assembly includes operation Panel.

5. according to the ignition system described in claim any one of 1-3, it is characterised in that also include being used to detect the igniting system The flame detector of the fired state of system, the flame detector and the monolithic mechatronics, and detecting the igniting When system is lighted a fire, flare up fire is sent to the single-chip microcomputer.

6. ignition system according to claim 5, it is characterised in that also including status indicator lamp, the status indicator lamp With the monolithic mechatronics, lamplight pointing is carried out with the flare up fire according to received by the single-chip microcomputer.

7. according to the ignition system described in claim any one of 1-3, it is characterised in that also including power subsystem, the power supply Unit is for one in respectively described gas electromagnetic valve, the igniter, the control input device and the single-chip microcomputer Individual or multiple power supplies.

8. according to the ignition system described in claim any one of 1-3, it is characterised in that include timer in the single-chip microcomputer, The timer is used to make the single-chip microcomputer send respectively for controlling opening for the gas electromagnetic valve according to preset interval time The first control signal and the second control signal of the ignition operation for controlling the igniter closed.

9. ignition system according to claim 5, it is characterised in that the flame detector is ultraviolet light fire defector Any of which of device, visible ray flame detector and infrared light flame detector.