CN206531574U - A kind of flame detector - Google Patents
A kind of flame detector Download PDFInfo
- Publication number
- CN206531574U CN206531574U CN201720041052.2U CN201720041052U CN206531574U CN 206531574 U CN206531574 U CN 206531574U CN 201720041052 U CN201720041052 U CN 201720041052U CN 206531574 U CN206531574 U CN 206531574U
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- wiring
- binding post
- controller
- flame detector
- flame
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- 230000001419 dependent effect Effects 0.000 claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract 2
- 230000008859 change Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010761 intermediate fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses a kind of flame detector, the flame detector includes ultraviolet dependent sensor or ion probe, directly it is connected for combustion flame at the nozzle of detection burner at a distance or with nozzle, the signal output part or ion probe of ultraviolet dependent sensor are connected by the signal input part of binding post and controller, the signal output part of controller is connected with relay and alarm, the normally-closed contact and normally opened contact of relay are connected with binding post, amplifying circuit and comparison circuit are provided with controller, the output end connection of the power input of controller and the secondary coil of transformer, the input of the primary coil of transformer is connected by binding post with AC power, the power input of ultraviolet dependent sensor is attempted by by current-limiting resistance in the output end of the secondary coil of transformer.The flame detector have high simple in construction, sensitivity, strong antijamming capability, it is safe and reliable the features such as.
Description
Technical field
The utility model is related to flame burner technical field, and in particular to a kind of flame detector, refers in particular to be arranged on
A kind of efficient, safe and reliable ultraviolet flame checking unit on combustion gas, the burner of fuel oil.
Background technology
Energy field intermediate fuel oil, the flame monitor of the burner of combustion gas are important the setting for ensureing burner safety
It is standby.Development and exploitation of China researcher to flame monitor experienced metal probe type flame detector by early stage to being based on
The process of the flame detector of flame flicking frequency, although after decades, but development is very slow, is compared with foreign countries, it grinds
Study carefully that development level is relatively backward, the flame monitor that many enterprises use all is foreign brand name mostly.The flame prison of domestic production
Survey that device generally existing function is single, interference free performance is poor, jitter, the not high degree of accuracy the shortcomings of, and external better performances
Product there is the problem of price is higher again.
Flame detector is, by light sensor, to convert optical signals into corresponding electric signal output, reaches and pair sets
The standby purpose for being controlled and detecting.Its core devices is light sensor, and using in combustion, combustible can all be sent out
Go out visible ray, infrared ray and the ultraviolet of different frequency or different wave length.Current flame detector, according to light sensor sense
The difference of light is answered, infrared ray sensor and the major class of visible light sensor two can be divided into, specific aim is single.However, coal is in burning
During, flame mainly sends infrared ray, and gas and heavy oil are during burning, and flame mainly sends ultraviolet, so, it is single
The need for one flame detector can not be met in production.
Industrial furnace is all to detect flare up fire using electrode signal for a long time, due to electrode with burner installed in one
Rise, when burner light a fire, electrode produces many interference and is directly transferred to controller control failure, influence the stability of detector with
Life-span.
Utility model content
The purpose of this utility model is that overcoming defect present in prior art, there is provided a kind of simple in construction, sensitivity
Height, strong antijamming capability, safe and reliable flame detector.
To achieve the above object, the technical solution of the utility model is a kind of flame detector of design, the fire defector
Device include ultraviolet dependent sensor or ion probe, at a distance detect burner nozzle at combustion flame or directly with
Nozzle is connected, and the signal output part or ion probe of ultraviolet dependent sensor are inputted by the signal of binding post and controller
End connection, the signal output part of controller is connected with relay and alarm, and the normally-closed contact and normally opened contact of relay are with connecing
Line terminals are connected, and amplifying circuit and comparison circuit, the power input of controller and the secondary wire of transformer are provided with controller
The output end connection of circle, the input of the primary coil of transformer is connected by binding post with AC power, and ultraviolet is photosensitive
The power input of sensor is attempted by by current-limiting resistance in the output end of the secondary coil of transformer.
In order to avoid the adverse consequences caused after ultraviolet dependent sensor or ion probe failure, technical scheme preferably
It is that visible ray light sensor is also connected with the signal input part of the controller.
For the ease of the connection of controller and external devices, and make its wiring construction neat, easy to operate, safety is excellent
The technical scheme of choosing also has, the binding post includes the end of wiring 1 to the end of wiring 9, the end of wiring 1 of binding post, the end of wiring 2
Side is connected with AC power, the input connection of the primary coil at the end of wiring 1, the opposite side at the end of wiring 2 and transformer, wiring
The side at the end of wiring 3 of terminal is connected with ultraviolet dependent sensor signal output part, the opposite side at the end of wiring 3 and controller
Signal input part is connected, and the end of wiring 4, the side at the end of wiring 5 of binding post are connected with the power end of ultraviolet dependent sensor,
The end of wiring 4, the opposite side at the end of wiring 5 are connected by the output end of current-limiting resistance and the secondary coil of transformer, binding post
The normally-closed contact connection at the end of wiring 6, the side at the end of wiring 7 and relay, the end of wiring 6, the other end at the end of wiring 7 and flame are opened
Device connection is closed, the normally opened contact at the end of wiring 8 of binding post, the side at the end of wiring 9 and relay is connected, the end of wiring 8, wiring 9
The other end at end is connected with flame switch device.
For the ease of the connection of controller and external devices, and make its wiring construction neat, easy to operate, safety is excellent
The technical scheme of choosing also has, the binding post includes the end of wiring 1 to the end of wiring 9, the end of wiring 1 of binding post, the end of wiring 2
Side is connected with AC power, the input connection of the primary coil at the end of wiring 1, the opposite side at the end of wiring 2 and transformer, wiring
The side at the end of wiring 3 of terminal is connected with ion probe signal output part, and the opposite side at the end of wiring 3 and the signal of controller are inputted
End connection, the end of wiring 4, the side at the end of wiring 5 of binding post are connected with the power end of ultraviolet dependent sensor, the end of wiring 4,
The opposite side at the end of wiring 5 is connected by the output end of current-limiting resistance and the secondary coil of transformer, the end of wiring 6 of binding post,
The side at the end of wiring 7 and the normally-closed contact of relay are connected, and the end of wiring 6, the other end at the end of wiring 7 are connected with flame switch device,
The normally opened contact at the end of wiring 8 of binding post, the side at the end of wiring 9 and relay is connected, the end of wiring 8, the other end at the end of wiring 9
It is connected with flame switch device.
In order to ensure the burner safety in combustion of burner, further preferred technical scheme also has, described
The shell of nozzle passes through ground connection.
For the ease of alarm after potential safety hazard releasing can stop alarm, further preferred technical scheme also has,
Reset key is provided with the alarm.
For the ease of providing dc source for controller, while also allowing for the burning feelings at long-range monitoring burner nozzle
Condition, further preferred technical scheme also has, and rectification circuit is additionally provided with the controller, in the output end of the controller
On be also associated with signal lamp.
For the ease of being turned on and off controller mounting box, and for security needs, further preferred skill
Art scheme also has, provided with lid on plug-in on the flame detector.
Advantage and beneficial effect of the present utility model are：The flame detector has simple in construction, sensitivity high, anti-dry
Disturb ability it is strong, safe and reliable, it is durable in use the features such as.Flame is detected using the method for element is wanted based on ultraviolet light sensor
Product, with good sun blindness, higher sensitivity and quick features of response.Detector is installed and may be located remotely from burning things which may cause a fire disaster,
Extend life of product, it is to avoid signal interference, it is ensured that the stability of signal.Ultraviolet photosensitive tube can be easily from base
Plug, greatly facilitates maintenance.The ground pads of controller are directly welded and fixed with shell, product is protected well
Shield.Flame monitor enters holding state after energization, when controller receives the inspection of ultraviolet dependent sensor or ion probe
Survey after signal, controller sends the control instruction driving actuating of relay, several normally-closed contacts and normally opened contact lighted can have more
Need to participate in various controls.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model flame detector embodiment 1；
Fig. 2 is the structural representation of the utility model flame detector embodiment 2；
Fig. 3 is the circuit block diagram of controller in the utility model flame detector；
Fig. 4 is the shell mechanism schematic diagram of the utility model flame detector.
In figure：1st, ultraviolet dependent sensor；2nd, nozzle；3rd, binding post；4th, controller；5th, signal input part；6th, after
Electrical equipment；7th, alarm；8th, amplifying circuit；9th, comparison circuit；10th, transformer；11st, AC power；12nd, current-limiting resistance；13rd, it is visible
Light light sensor；14th, ion probe；15th, rectification circuit；16th, signal lamp；17th, covered on plug-in.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
Embodiment 1
As shown in Figure 1,3, the utility model is a kind of flame detector, and the flame detector includes the photosensitive biography of ultraviolet
Combustion flame at sensor 1, the nozzle 2 for detecting burner at a distance, the signal output part of ultraviolet dependent sensor 1 passes through
Binding post 3 is connected with the signal input part 5 of controller 4, and signal output part and relay 6 and the alarm 7 of controller 4 connect
Connect, the normally-closed contact and normally opened contact of relay 7 are connected with binding post 3, amplifying circuit 8 is provided with controller 4 and is compared
Circuit 9, the power input of controller 4 is connected with the secondary coil output end of transformer 10, the primary coil of transformer 10
Input is connected by binding post 3 with AC power 11, and the power input of ultraviolet dependent sensor 1 passes through current-limiting resistance
12 are attempted by the secondary coil output end of transformer 10.
The adverse consequences caused after being failed in order to avoid ultraviolet dependent sensor 1, the preferred embodiment party of the utility model
Case is to be also connected with visible ray light sensor 13 on the signal input part 5 of the controller 4.
For the ease of the connection of controller 4 and external devices, and make its wiring construction neat, easy to operate, safety, this
Utility model preferred embodiment also has, and the binding post 3 includes the end of wiring 1 to the end of wiring 9, the wiring of binding post 3
1 end, the side at the end of wiring 2 are connected with AC power 11, the primary coil at the end of wiring 1, the opposite side at the end of wiring 2 and transformer 10
Input is connected, and the side at the end of wiring 3 of binding post 3 is connected with the signal output part of ultraviolet dependent sensor 1, terminals
The opposite side at the end of wiring 3 of son 3 is connected with the signal input part 5 of controller 3, the end of wiring 4 of binding post 3, the end of wiring 5
Side is connected with the power end of ultraviolet dependent sensor 1, and the end of wiring 4 of binding post 3, the opposite side at the end of wiring 5 pass through limit
Leakage resistance 12 is connected with the output end of the secondary coil of transformer 10, the end of wiring 6 of binding post 3, the side at the end of wiring 7 with after
The normally-closed contact connection of electrical equipment 6, the end of wiring 6 of binding post 3, the opposite side at the end of wiring 7 are connected with flame switch device, wiring
The end of wiring 8, the side at the end of wiring 9 of terminal 3 are connected with the normally opened contact of relay 6, the end of wiring 8, the opposite side at the end of wiring 9 with
Flame switch device is connected.
In order to ensure the safety in combustion of burner 2 of burner, the further preferred embodiment party of the utility model
Case also has, and the shell of the nozzle 2 passes through ground connection.
Can stop alarm, the further preferred reality of the utility model after potential safety hazard releasing for the ease of alarm 7
The scheme of applying also has, and reset key is provided with the alarm 7.
For the ease of providing dc source for controller 4, while also allowing for the burning feelings at long-range monitoring burner nozzle 2
Condition, the utility model further preferred embodiment also has, and rectification circuit 15 is additionally provided with the controller 4, in institute
Signal lamp 16 is also associated with the output end for stating controller 4.
As shown in figure 4, for the ease of being turned on and off controller mounting box, and for security needs, enters one
The preferred technical scheme of step also has, provided with lid 17 on plug-in on the flame detector.
Embodiment 2
As shown in Fig. 2 the difference between embodiment 2 and embodiment 1 is：For the ease of controller 4 and outside device
The connection of part, and make its wiring construction neat, easy to operate, safety, the utility model preferred embodiment also has, described
Binding post includes the end of wiring 1 to the end of wiring 9, and the end of wiring 1, the side at the end of wiring 2 of binding post 3 are connected with AC power,
The end of wiring 1, the other end at the end of wiring 2 are connected with the input of the primary coil of transformer 10, the side of binding post 3 and ion
The signal output part of probe 14 is connected, and the other end at the end of wiring 3 is connected with the signal input part 5 of controller 4, the wiring 4 at the end of wiring 3
End, the side ground connection at the end of wiring 5, vacant, the secondary coil output end company at the end of wiring 4, the other end at the end of wiring 5 and transformer 4
Connect, the end of wiring 6, the side at the end of wiring 7 at the end of wiring 3 are connected with the normally-closed contact of relay 5, the end of wiring 6, the end of wiring 7 it is another
One end is connected with flame switch device, and the end of wiring 8, the side at the end of wiring 9 at the end of wiring 3 are connected with the normally opened contact of relay 4,
The end of wiring 8, the other end at the end of wiring 9 are connected with flame switch device.Remainder is identical with embodiment 1.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of flame detector, it is characterised in that the flame detector includes ultraviolet dependent sensor or ion probe,
Directly it is connected for combustion flame at the nozzle of detection burner at a distance or with nozzle, the signal of ultraviolet dependent sensor is defeated
Go out end or ion probe to connect by the signal input part of binding post and controller, the signal output part and relay of controller
And alarm connection, the normally-closed contact and normally opened contact of relay be connected with binding post, be provided with controller amplifying circuit with
The output end connection of comparison circuit, the power input of controller and the secondary coil of transformer, the primary coil of transformer
Input is connected by binding post with AC power, ultraviolet dependent sensor power input is by current-limiting resistance and connects
In the output end of the secondary coil of transformer.
2. flame detector as claimed in claim 1, it is characterised in that be also connected with the signal input part of the controller
Visible ray light sensor.
3. flame detector as claimed in claim 2, it is characterised in that the binding post includes the end of wiring 1 to wiring 9
End, the end of wiring 1, the side at the end of wiring 2 of binding post are connected with AC power, the end of wiring 1, the opposite side at the end of wiring 2 and change
The input connection of the primary coil of depressor, side and the ultraviolet dependent sensor signal output at the end of wiring 3 of binding post
End connection, the opposite side at the end of wiring 3 and the signal input part of controller are connected, the end of wiring 4 of binding post, the one of the end of wiring 5
Side is connected with the power end of ultraviolet dependent sensor, and the end of wiring 4, the opposite side at the end of wiring 5 pass through current-limiting resistance and transformer
Secondary coil output end connection, the normally-closed contact at the end of wiring 6 of binding post, the side at the end of wiring 7 and relay connects,
The end of wiring 6, the other end at the end of wiring 7 are connected with flame switch device, the end of wiring 8, the side at the end of wiring 9 and the relay of binding post
The normally opened contact connection of device, the end of wiring 8, the other end at the end of wiring 9 are connected with flame switch device.
4. flame detector as claimed in claim 2, it is characterised in that the binding post includes the end of wiring 1 to wiring 9
End, the end of wiring 1, the side at the end of wiring 2 of binding post are connected with AC power, the end of wiring 1, the opposite side at the end of wiring 2 and change
The input connection of the primary coil of depressor, the side at the end of wiring 3 of binding post is connected with ion probe signal output part, connect
The opposite side at the end of line 3 and the signal input part of controller are connected, the end of wiring 4, the side at the end of wiring 5 and the ultraviolet of binding post
The power end connection of light sensor, the end of wiring 4, the opposite side at the end of wiring 5 pass through current-limiting resistance and the secondary coil of transformer
Output end connection, the normally-closed contact at the end of wiring 6 of binding post, the side at the end of wiring 7 and relay connects, and the end of wiring 6, connects
The other end at the end of line 7 is connected with flame switch device, and the end of wiring 8, the side at the end of wiring 9 and the normally opened of relay of binding post touch
Point connection, the end of wiring 8, the other end at the end of wiring 9 are connected with flame switch device.
5. the flame detector as described in claim 3 or 4, it is characterised in that the shell of the nozzle passes through ground connection.
6. flame detector as claimed in claim 1, it is characterised in that reset key is provided with the alarm.
7. flame detector as claimed in claim 1, it is characterised in that be additionally provided with rectification circuit in the controller,
Signal lamp is also associated with the output end of the controller.
8. flame detector as claimed in claim 1, it is characterised in that provided with plug-in on the flame detector
Lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041052.2U CN206531574U (en) | 2017-01-13 | 2017-01-13 | A kind of flame detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041052.2U CN206531574U (en) | 2017-01-13 | 2017-01-13 | A kind of flame detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531574U true CN206531574U (en) | 2017-09-29 |
Family
ID=59920752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720041052.2U Active CN206531574U (en) | 2017-01-13 | 2017-01-13 | A kind of flame detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206531574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085200A (en) * | 2018-08-13 | 2018-12-25 | 中国矿业大学(北京) | A kind of measuring device and method of the big tubulose coal-dust explosion identification length of flame |
| CN118212741A (en) * | 2024-05-20 | 2024-06-18 | 金字号（福建）燃烧设备有限公司 | A flame detector for detecting the mixed combustion of hydrogen and methane |
-
2017
- 2017-01-13 CN CN201720041052.2U patent/CN206531574U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085200A (en) * | 2018-08-13 | 2018-12-25 | 中国矿业大学(北京) | A kind of measuring device and method of the big tubulose coal-dust explosion identification length of flame |
| CN109085200B (en) * | 2018-08-13 | 2020-11-10 | 中国矿业大学(北京) | Method for measuring flame length for explosive identification of large tubular coal dust |
| CN118212741A (en) * | 2024-05-20 | 2024-06-18 | 金字号（福建）燃烧设备有限公司 | A flame detector for detecting the mixed combustion of hydrogen and methane |
| CN118212741B (en) * | 2024-05-20 | 2024-11-05 | 金字号（福建）燃烧设备有限公司 | Flame detector for detecting mixed combustion of hydrogen and methane |
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