CN204406625U - Combustible gas alarm control device - Google Patents
Combustible gas alarm control device Download PDFInfo
- Publication number
- CN204406625U CN204406625U CN201520114643.9U CN201520114643U CN204406625U CN 204406625 U CN204406625 U CN 204406625U CN 201520114643 U CN201520114643 U CN 201520114643U CN 204406625 U CN204406625 U CN 204406625U
- Authority
- CN
- China
- Prior art keywords
- circuit
- combustible gas
- control device
- processing unit
- central processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Abstract
The utility model provides a kind of combustible gas alarm control device, comprises housing, is provided with power circuit block and control circuit module in housing; Control circuit module comprises central processing unit, and it is connected with audible alarm circuit, printer and status indicator lamp LED drive circuit; The input end of signal input circuit connects combustible gas probe, the ambient atmos concentration signal that combustible gas probe obtains is converted into voltage signal, inputs to central processing unit, compares with the combustable gas concentration threshold value preset; When obtained combustable gas concentration signal value is higher than default combustable gas concentration threshold value, central processing unit controls audible alarm circuit alarm, and printer prints warning message.
Description
Technical field
The utility model belongs to combustible gas leakage and detects and panalarm, particularly relates to a kind of combustible gas alarm control device.
Background technology
At industrial sites such as oil, smelting, chemical industry, combustible gas leakage happens occasionally, once run into naked light after concentration reaches certain numerical value, will blast, consequence is hardly imaginable, and people's life and property safety, by suffering heavy loss, cause huge destruction to environment.Alarm controller for combustible gas base is just used to the instrument of Real-Time Monitoring combustable gas concentration, once gas concentration exceeds high lower threshold, alarm controller will send sound and light alarm, and carry out the actuating of relay simultaneously, band moving electromagnetic valve or exhaust fan carry out safe handling, avoid having an accident, guarantee carrying out smoothly of production.
Alarm controller for combustible gas base is divided into line-disparting type and bus type, line-disparting type alarm controller comparative maturity comparatively speaking, and system is relatively stable, is applicable to the occasion of node when young scope, uses more flexible; Bus-type combustible gas alarm controller many employings RS485 bus or CAN, system node capacity is large not and system is unstable.The controller application of current bus is more, but its stability is bad, poor anti jamming capability, and sampling precision is on the low side, and seldom has the function of history of printing alarm logging; And existing device seldom provides back-up source module, when unexpected disconnection fault, combustible gas alarm control device then can not normally work.
Utility model content
The utility model provides a kind of combustible gas alarm control device.
The utility model adopts following technical scheme:
A kind of combustible gas alarm control device, comprises housing, is provided with power circuit block and control circuit module in described housing;
Described power circuit block, comprises primary power and standby power supply, and described standby power supply is accumulator, and described primary power comprises AC-DC power circuit, and the output signal of AC-DC power circuit produces power supply needed for whole circuit through DC-DC power source circuit; When there is power-off or under-voltage situation in primary power, standby power supply work, the direct current signal that standby power supply exports produces power supply needed for whole circuit through DC-DC power source circuit;
Described control circuit module, comprises central processing unit, and described central processing unit is connected with analog signal processing circuit, LCDs, audible alarm circuit, printer and driving circuit for status display lamp;
Analog signal processing circuit, its input end is connected with combustible gas probe, obtained ambient atmos concentration signal is converted into voltage signal, and input to central processing unit, the combustable gas concentration threshold value preset with described central processing unit compares, when the combustable gas concentration signal value that central processing unit obtains is higher than the combustable gas concentration threshold value preset, central processing unit controls audible alarm circuit alarm, and utilizes printer to print warning message.
Described status indicator lamp LED drive circuit is connected with some status indicator lamps.
Described warning message, comprises the time of warning message, warning passage and warning reason.
Described central processing unit also connects a display screen, and it is for showing combustable gas concentration; Described display screen is full screen dot matrix screen, and displaying contents is 192 row × 64 row, shows 12 × 4 Chinese characters.
Described central processing unit is also connected with push-button array unit, and described push-button array unit is used for arranging warning concentration threshold, resets after inquiry or history of printing warning message and noise reduction.
Described printer is minitype thermal printer.
Described housing is six casings, and the front panel of housing that can be freely movable is connected with right panel by hinge.
The back panel of described housing is provided with some gas detector fairleads and some mounting holes, and the top panel of housing is provided with some counter sinks, and the front panel of housing is provided with a lockhole.
The material of described housing is metal material, and the external spray of housing has paint.
The beneficial effects of the utility model are:
(1) power circuit of combustible gas alarm control device of the present utility model and control circuit are deposited in metal shell, compact conformation is easy for installation, whole system circuit stability, antijamming capability is strong, and electrical strength radio frequency electromagnetic field immunity to interference and esd immunity etc. are functional;
(2) combustible gas alarm control device of the present utility model can external multichannel combustible gas probe, surveyed gas concentration is shown in real time by liquid crystal display, concentration value exceeds warning high-low limits, controller carries out sound and light alarm, liquid crystal display display alarm position and time of fire alarming, the simultaneously corresponding actuating of relay, drives external linkage to carry out action;
(3) history warning message can be stored, and can be printed at any time by minitype thermal printer, and staff, according to history warning message analysis of history alarm condition, is conducive to, to the grasp of on-the-spot combustible gas leakage, taking innovative approach pointedly.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model.
Fig. 2 is the inner side distribution schematic diagram of housing of the present utility model with the one side of lockhole.
Fig. 3 is the enclosure interior distribution schematic diagram of combustible gas alarm control device of the present utility model.
Fig. 4 is combustible gas alarm control device front schematic view of the present utility model.
Fig. 5 is combustible gas alarm control device schematic rear view of the present utility model.
Wherein, 1, AC-DC power supply; 2, DC-DC power source; 3, push-button array unit; 4, analog signal processing circuit; 5,485 output circuits; 6, minitype thermal printer; 7, display screen; 8, relay; 9, audible alarm circuit; 10, status indicator lamp LED drive circuit; 12, central processing unit; 13, lead-acid accumulator; 14, wave filter; 15, counter sink; 16, status indicator lamp; 17, mounting hole; 18, fairlead; 19, lockhole; 20, combustible gas probe; 21, housing.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
As shown in Figure 1, alarm controller for combustible gas base of the present utility model comprises housing 21, is provided with power circuit block and control circuit module in described housing 21.
Power circuit block of the present utility model, comprises primary power and standby power supply, and described standby power supply is accumulator, and described primary power comprises AC-DC power circuit, and the output signal of AC-DC power circuit produces power supply needed for whole circuit through DC-DC power source circuit; When there is power-off or under-voltage situation in primary power, standby power supply work, the direct current signal that standby power supply exports produces power supply needed for whole circuit through DC-DC power source circuit;
Wherein, join Switching Power Supply outside AC-DC power circuit 1 adopts, Switching Power Supply provides+24V DC voltage, and through DC-DC conversion chip, 24V step-down is 5V is central processing unit and other chip power supplies.When AC-DC power supply normally runs as primary power, main electric running indicator is always bright.Lead-acid accumulator 13 can provide direct current 24V standby power supply, primary power source de-energizes or under-voltage time system automatically switch to standby power supply and power.
Described AC-DC power supply is specific power supply processed, has standby battery management function, its nominal input voltage: AC176 ~ 265V, operation voltage: AC220V ± 15%, output voltage: DC+24V; The input signal of AC-DC power circuit 1 selects the 220V alternating voltage being carried out filtering by wave filter 14.
Control circuit module, comprises central processing unit 12, and described central processing unit 12 is connected with audible alarm circuit 9, printer and status indicator lamp LED drive circuit 10, and described status indicator lamp LED drive circuit 10 is connected with some status indicator lamps 16; The input current scope of analog signal processing circuit 4 is 4-20mA, its input end is connected with combustible gas probe 20, for obtained ambient atmos concentration signal is converted into voltage signal, and input to central processing unit 12, the combustable gas concentration threshold value preset with described central processing unit 12 compares, when the combustable gas concentration signal value that central processing unit 12 obtains is higher than the combustable gas concentration threshold value preset, central processing unit 12 controls audible alarm circuit alarm 9, and utilizes printer to print warning message; Described central processing unit 12 also connects relay 8, and described relay 8 connects external linkage;
Described state display lamp 16, adopts 9 LED, and total warning and warning delayed lamp are red; Total failare, standby electric fault and screened lamp are yellow; Main electricity operation, standby electricity operation, noise reduction and self-inspection lamp are green.When primary power is under-voltage, system automatically switches to standby power supply when powering, and standby electric running indicator is bright, and total failare lamp brightens, and main electric running indicator goes out, and alarm sound drips report fault sound
Described central processing unit 12 also connects a push-button array unit 3, described push-button array unit 3 totally 22 buttons, and conventional function button has numerical key, up and down arrow keys, acknowledgement key, ESC Escape, query key, arranges key, printing key, self-inspection key, mask-key, ventil, reset key etc., these buttons are mainly used to arrange warning concentration threshold, inquiry or history of printing warning message, shield no analog channel, can reset etc. after noise reduction.
Described central processing unit 12 also connects a display screen 7, and it is for showing combustable gas concentration.Described display screen 7 is full screen dot matrix screen, and displaying contents is 192 row × 64 row, shows 12 × 4 Chinese characters, can show the gas concentration that each road detector is transmitted by mimic channel, concentration precision≤5%.Display screen 7 meeting display alarm passage and time, audible alarm circuit 9 can send chimes of doom, sound >=75dB simultaneously, can press the noise reduction of noise elimination key, does not affect and reports to the police next time, can cancel silencing function by reset key after noise reduction.If have noise reduction, self-inspection, function of shielding key to press, then corresponding each function lampet brightens, until this defunctionalization, lampet just recovers the state that do not work.
Described central processing unit 12 adopts PIC single chip microcomputer, and its performance is relatively stable, and antijamming capability is relatively good.
Described printer is minitype thermal printer 6, and machine itself adopts brand-new import movement to carry one-chip computer, have that volume is little, lightweight, complete function, high speed, high-resolution, the advantage such as aesthetic in appearance, simple to operate, easy to connect.The optimal matching product that minitype thermal printer is medical devices, fire alarm control, Industry Control and other various instrument and meter update, printer can time of history of printing warning message, comprises time-division moon day, printable warning passage and warning reason.
The material of housing 21 of the present utility model is metal material, and the external spray of housing 21 has paint, and protection internal components is not collided on the one hand, also can shield outside electromagnetic interference on the other hand, improves the stability of circuit control system.Described housing 21 is six casings, and the front panel of housing that can be freely movable is connected with right panel by hinge.
As Figure 2-Figure 5, the wiring of combustible gas probe 20 can be drawn from the fairlead 18 of back side of shell, and two counter sinks 15 are reserved at top, and wiring also can be drawn from this holes, and the wiring according to external combustible gas probe 20 determines wire locations.There is the mounting hole 17 of two Pear-Shapeds at the controller back side, can be suspended on wall, and installation and maintenance are convenient.Described mounting hole 17 is conventional Pear-Shaped mounting holes, is applicable to being suspended on wall, conserve space; Small semicircle radius is 5mm, and large semicircle radius is 9mm.Described fairlead 18 can draw external connection, total length is for comprising No. six detector wiring, relay external connection and 485 connections, detector wiring connects combustible gas probe 20, and relay external connection connects relay 8 and is connected 485 output circuits 5 with 485 connections.
The forward sight panel of housing 21 there is lockhole 19, circular lock is installed in lockhole 19, is usually in locking state, mainly prevents unrelated person from carrying out maloperation, prevented shock hazard, only have technician just can open and carry out checking operation or maintenance.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. a combustible gas alarm control device, is characterized in that, comprises housing, is provided with power circuit block and control circuit module in described housing;
Described power circuit block, comprises primary power and standby power supply, and described standby power supply is accumulator, and described primary power comprises AC-DC power circuit, and the output signal of AC-DC power circuit produces power supply needed for whole circuit through DC-DC power source circuit; When there is power-off or under-voltage situation in primary power, standby power supply work, the direct current signal that standby power supply exports produces power supply needed for whole circuit through DC-DC power source circuit;
Described control circuit module, comprises central processing unit, and described central processing unit is connected with analog signal processing circuit, LCDs, audible alarm circuit, printer and driving circuit for status display lamp;
Analog signal processing circuit, its input end is connected with combustible gas probe, obtained ambient atmos concentration signal is converted into voltage signal, and input to central processing unit, the combustable gas concentration threshold value preset with described central processing unit compares, when the combustable gas concentration signal value that central processing unit obtains is higher than the combustable gas concentration threshold value preset, central processing unit controls audible alarm circuit alarm, and utilizes printer to print warning message.
2. a kind of combustible gas alarm control device as claimed in claim 1, is characterized in that, described status indicator lamp LED drive circuit is connected with some status indicator lamps.
3. a kind of combustible gas alarm control device as claimed in claim 1, is characterized in that, described warning message, comprises the time of warning message, warning passage and warning reason.
4. a kind of combustible gas alarm control device as claimed in claim 1, it is characterized in that, described central processing unit also connects a display screen, and it is for showing combustable gas concentration; Described display screen is full screen dot matrix screen, and displaying contents is 192 row × 64 row, shows 12 × 4 Chinese characters.
5. a kind of combustible gas alarm control device as claimed in claim 1, it is characterized in that, described central processing unit is also connected with push-button array unit, and described push-button array unit is used for arranging warning concentration threshold, resets after inquiry or history of printing warning message and noise reduction.
6. a kind of combustible gas alarm control device as claimed in claim 1, is characterized in that, described printer is minitype thermal printer.
7. a kind of combustible gas alarm control device as claimed in claim 1, is characterized in that, described housing is six casings, and the front panel of housing that can be freely movable is connected with right panel by hinge.
8. a kind of combustible gas alarm control device as claimed in claim 7, is characterized in that, the back panel of described housing is provided with some gas detector fairleads and some mounting holes, and the top panel of housing is provided with some counter sinks.
9. a kind of combustible gas alarm control device as claimed in claim 7, is characterized in that, the front panel of described housing is also provided with a lockhole.
10. a kind of combustible gas alarm control device as claimed in claim 7, is characterized in that, the material of described housing is metal material, and the external spray of housing has paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114643.9U CN204406625U (en) | 2015-02-16 | 2015-02-16 | Combustible gas alarm control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114643.9U CN204406625U (en) | 2015-02-16 | 2015-02-16 | Combustible gas alarm control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204406625U true CN204406625U (en) | 2015-06-17 |
Family
ID=53430466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520114643.9U Active CN204406625U (en) | 2015-02-16 | 2015-02-16 | Combustible gas alarm control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204406625U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274927A (en) * | 2016-08-19 | 2017-01-04 | 宁波中车时代传感技术有限公司 | Integrated driving position with diagnostic system |
| CN106290747A (en) * | 2016-11-04 | 2017-01-04 | 上海翼捷工业安全设备股份有限公司 | There is gas alarm controller and the control method thereof of multi-channel module structure |
| CN115798156A (en) * | 2022-12-14 | 2023-03-14 | 济南鼎诺科技有限公司 | Portable host based on gas detector |
-
2015
- 2015-02-16 CN CN201520114643.9U patent/CN204406625U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274927A (en) * | 2016-08-19 | 2017-01-04 | 宁波中车时代传感技术有限公司 | Integrated driving position with diagnostic system |
| CN106290747A (en) * | 2016-11-04 | 2017-01-04 | 上海翼捷工业安全设备股份有限公司 | There is gas alarm controller and the control method thereof of multi-channel module structure |
| CN106290747B (en) * | 2016-11-04 | 2019-02-26 | 上海翼捷工业安全设备股份有限公司 | Gas alarm controller and its control method with multi-channel module structure |
| CN115798156A (en) * | 2022-12-14 | 2023-03-14 | 济南鼎诺科技有限公司 | Portable host based on gas detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204406625U (en) | Combustible gas alarm control device | |
| CN203351959U (en) | Low voltage intelligent power distribution switch cabinet | |
| CN104503327A (en) | Embedded type wireless control device, switch and remote control device | |
| CN204901604U (en) | Multi -functional fire control emergency light | |
| CN201490749U (en) | EPS emergency power supply with intelligent management monitoring function | |
| CN205751101U (en) | The sound and light alarm safe fence shown with LED | |
| CN108915489B (en) | Fire control system based on embedded touch screen and cloud control system | |
| CN201340634Y (en) | Combined optical alarm device | |
| CN216146537U (en) | Intelligent video operation and maintenance terminal | |
| CN206209738U (en) | A kind of computer management tamper device | |
| CN205883668U (en) | Intelligence fire emergency lighting with dredge indicating system | |
| CN209947711U (en) | Explosion-proof keyboard capable of outputting voice alarm signal | |
| CN204425038U (en) | A kind of power distribution automation detection and control terminal | |
| CN209044840U (en) | A kind of gas alarm controller | |
| CN203465800U (en) | Multifunctional antitheft monitoring device | |
| CN205959049U (en) | Central control panel for operating room | |
| CN207231537U (en) | A kind of comprehensive monitoring alarm device for equipment operating environment | |
| CN105764216A (en) | Intelligent fire-fighting emergency illumination and dispersion indication system | |
| CN207216604U (en) | A kind of computer network cloud service managing device | |
| CN206133832U (en) | Door opening alarm device | |
| CN209641325U (en) | Substation Switch Changing Operation sequence alarming device | |
| CN109032050A (en) | A kind of Flameproof and intrinsically safe programmable controller | |
| CN215582160U (en) | Shutter door remote controller for electronic equipment convenient to overhaul | |
| CN209676333U (en) | A kind of Audio Matrix with fire-fighting link | |
| CN214044672U (en) | Put cabinet in high security |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230309 Address after: 1206, Floor 12, Hanyu Jingu Artificial Intelligence Building, Jinan Area, China (Shandong) Pilot Free Trade Zone, 250000 Shandong Province Patentee after: Shandong Shanke Safety Technology Co.,Ltd. Address before: 250014 No. 19, ASTRI Road, Lixia District, Shandong, Ji'nan Patentee before: INSTITUTE OF AUTOMATION, SHANDONG ACADEMY OF SCIENCES |
|
| TR01 | Transfer of patent right |