CN205261517U - Electronic door control system of boiler - Google Patents
Electronic door control system of boiler Download PDFInfo
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- CN205261517U CN205261517U CN201521048429.4U CN201521048429U CN205261517U CN 205261517 U CN205261517 U CN 205261517U CN 201521048429 U CN201521048429 U CN 201521048429U CN 205261517 U CN205261517 U CN 205261517U
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- boiler
- control panel
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- electrically operated
- operated gate
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Abstract
The utility model discloses an electronic door control system of boiler aims at providing the electronic door control system of boiler that can improve control panel life, and it is too high to have solved ambient temperature, the technical problem that reduces of life -span of causing control panel easily, and its technical scheme main points are including placing in indoor boiler body, setting up electrically operated gate on boiler body, being used for controlling the actuating motor of electrically operated gate motion, actuating motor is connected with the control panel who sets up in the control room, control panel is connected with the DCS controller, has reached the effect that improves control panel's life, the utility model is suitable for a send out power boiler control system.
Description
Technical field
The utility model relates to electricity generation boiler system, and more particularly, it relates to the electronic accelerator control system of boiler.
Background technology
Refuse-burning plant factory building adopts totally enclosed type, if boiler room dispels the heat not in time, cause the environment temperature of boiler to raise, arrive 70 degrees Celsius of left and right, on existing electricity generation boiler, be provided with Electrically operated gate, Electrically operated gate is controlled its open and close by executing agency, in executing agency, be wholely set control panel, because control panel is all arranged on electricity generation boiler in executing agency, under there is high-temperature condition in boiler, environment temperature is too high, easily cause the life-span of control panel to reduce, can there is potential safety hazard to the control of executing agency in control panel simultaneously, too high environment easily affects the safety and reliability of equipment, and staff needs the moment that this equipment is nursed and overhauled, workload is huge.
At present, (Chinese patent that application number is CN201320829756.8 discloses a kind of boiler-steam dome autonomous control system) on market, it comprises Electrically operated gate, DCS control system etc. This boiler-steam dome autonomous control system can regulate bypass Electrically operated gate direct control to ERV valve, drum continuous blowdown Electrically operated gate and drum continuous blowdown. If but control panel is arranged on electricity generation boiler, can make equally control panel be subject to high temperature and reduce service life, therefore, need to make further improvements the Electrically operated gate control system of the electricity generation boiler in refuse-burning plant.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is: provide and can improve the control panel electronic accelerator control system of boiler in service life.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: the electronic accelerator control system of a kind of boiler, comprise be positioned over factory building boiler body, be arranged at Electrically operated gate on boiler body, for controlling the actuating motor of Electrically operated gate motion, described actuating motor is connected with the control panel being arranged in control room, and described control panel is connected with DCS controller.
By above-mentioned setting, control panel on boiler body is separated, control panel is arranged in control room, thereby can realize the isolation of control panel and hot environment, improve the running environment of control panel, and effectively improve the service life of control panel, and then the maintenance workload reducing a staff, and control panel can transmit its signals in DCS controller, DCS controller can carry out processing and the integration of signal, improves control ability and response speed.
Can be preferably as concrete scheme of the present utility model: described actuating motor is provided with torque sensor, described torque sensor is electrically connected to control panel.
By above-mentioned setting, the torque condition that torque sensor can Real-time Feedback actuating motor, can judge the closed situation of Electrically operated gate, and signal feedback is more timely.
Can be preferably as concrete scheme of the present utility model: described control panel comprises moment of torsion display circuit, described moment of torsion display circuit comprise be connected in torque sensor bleeder circuit and be parallel on bleeder circuit in order to show the voltmeter of dividing potential drop size.
By above-mentioned setting, the moment size cases of actuating motor can be reflected on voltmeter intuitively.
Can be preferably as concrete scheme of the present utility model: on described boiler body, be also provided with temperature sensor, described temperature sensor is connected to control panel, described control panel comprises temperature alarm circuit, and described temperature alarm circuit receives the signal of temperature sensor and exceedes threshold value alarm in temperature.
By above-mentioned setting, the temperature conditions on boiler body can be carried out to Real-time Feedback, and can in excess Temperature, report to the police, improve the security performance of operation, in excess Temperature, can notify in time operating personnel.
Can be preferably as concrete scheme of the present utility model: described temperature alarm circuit comprises voltage reference circuit, comparator and the circuit of warning;
Described voltage reference circuit is coupled to the inverting input of comparator, in order to threshold voltage to be provided;
The in-phase input end of described comparator receives detection signal, by with threshold voltage after export comparison signal;
The described circuit of warning is coupled to the output of comparator, in order to respond comparison signal and to trigger the same alarm of acousto-optic.
By above-mentioned setting, can carry out the same alarm of acousto-optic, thereby further improve warning degree, can vaild notice maintainer, alarming effect is more comprehensively.
Can be preferably as concrete scheme of the present utility model: described in the circuit of warning comprise the first resistance, triode, buzzer and LED lamp;
The connect base stage of connecting triode after the first resistance of the output of described comparator, one end of described buzzer connects power supply, the colelctor electrode of other end connecting triode, the emitter stage of triode connects ground connection after LED lamp.
By above-mentioned setting, control circuit is simple in structure, fast response time, low cost of manufacture.
In sum, the utlity model has following beneficial effect: effectively improve the service life of control panel, and the security performance of control can be provided.
Brief description of the drawings
Fig. 1 is the system block diagram of the present embodiment;
Fig. 2 is the moment of torsion display circuit schematic diagram of the present embodiment;
Fig. 3 is the temperature alarm circuit schematic diagram of the present embodiment.
In figure 1, boiler body; 2, Electrically operated gate; 3, actuating motor; 4, control panel; 5, DCS controller; 6, torque sensor; 7, moment of torsion display circuit; 71, bleeder circuit; 72, voltmeter; 8, temperature sensor; 9, warning circuit; 91, voltage reference circuit; 92, comparator; 93, the circuit of warning; R1, the first resistance; Q1, triode; LB, buzzer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of boiler Electrically operated gate 2 control systems, comprise be positioned over factory building boiler body 1, be arranged at the Electrically operated gate 2 on boiler body 1, the actuating motor 3 moving for controlling Electrically operated gate 2, described actuating motor 3 is connected with the control panel 4 being arranged in control room, and described control panel 4 is connected with DCS controller 5. Wherein boiler body 1 is comparatively huge, is conventionally arranged in airtight factory building, and therefore the temperature in factory building can temperature raise due to boiler body 1. Electrically operated gate 2 is arranged on the top of boiler, Electrically operated gate 2 is heavier simultaneously, drive Electrically operated gate 2 to carry out opening and closing by actuating motor 3, the control signal that actuating motor 3 is exported by control panel 4 is controlled driving, existing equipment together arranges control panel 4 and boiler conventionally, like this can be when boiler temperature be too high, 4 life-spans of control panel are reduced. Therefore control panel 4 is carried out to temperature isolation, be set in control room, therefore, circuit is adjusted.
By above-mentioned setting, control panel on boiler body 14 is separated, control panel 4 is arranged in control room, thereby can realize the isolation of control panel 4 and hot environment, improve the running environment of control panel 4, and the service life of effectively improving control panel 4, and then the maintenance workload reducing a staff, and control panel 4 can transmit its signals in DCS controller 5, DCS controller 5 can carry out processing and the integration of signal, improves control ability and response speed. Control panel 4 also feeds back to switch state signal in DCS controller 5, there is no various high temperature in factory building and the interference of vibrations in control room, makes circuit operation more stable.
Actuating motor 3 is provided with torque sensor 6, and described torque sensor 6 is electrically connected to control panel 4. Torque sensor 6 can Real-time Feedback actuating motor 3 torque condition, can judge the closed situation of Electrically operated gate 2, signal feedback is more timely.
As shown in Figure 2, described control panel 4 comprises moment of torsion display circuit 7, and described moment of torsion display circuit 7 comprises and is connected in the bleeder circuit 71 of torque sensor 6 and is parallel on bleeder circuit 71 in order to show the voltmeter 72 of dividing potential drop size. The detection signal that torque sensor 6 is exported can be analog current signal, electric current is by bleeder circuit 71, bleeder circuit 71 is series resistance R11, R12 in Fig. 2, when current flowing resistance R11, R12, produces voltage on resistance, due to varying in size of electric current, thereby ohmically voltage is also different, by being connected in parallel on the voltmeter 72 in resistance R 11, can show the magnitude of voltage in resistance R 11, thereby can reflect the size of electric current, and for the moment size detecting in torque sensor 6.
As shown in Figure 3, be also provided with temperature sensor 8 on boiler body 1, the mechanical mechanism of temperature sensor 8 is signal in the drawings not, but its circuit connection structure figure can be detailed in Fig. 3 finds out. Temperature sensor 8 is connected to control panel 4, and described control panel 4 comprises temperature alarm circuit 9, and described temperature alarm circuit 9 receives the signal of temperature sensor 8 and exceedes threshold value alarm in temperature. This circuit can carry out Real-time Feedback by the temperature conditions on boiler body 1, and can in excess Temperature, report to the police, and improves the security performance of operation, in excess Temperature, can notify in time operating personnel.
Temperature alarm circuit 9 comprises voltage reference circuit 91, comparator 92 and the circuit 93 of warning; Described voltage reference circuit 91 is coupled to the inverting input of comparator 92, in order to threshold voltage to be provided; The in-phase input end of described comparator 92 receives detection signal, by with threshold voltage after export comparison signal; The described circuit 93 of warning is coupled to the output of comparator 92, in order to respond comparison signal and to trigger the same alarm of acousto-optic. Can carry out the same alarm of acousto-optic, thereby further improve warning degree, can vaild notice maintainer, alarming effect is more comprehensively. The described circuit 93 of warning comprises the first resistance R 1, triode Q1, buzzer LB and LED lamp; The connect base stage of the rear connecting triode Q1 of the first resistance R 1 of the output of described comparator 92, one end of described buzzer LB connects power supply, the colelctor electrode of other end connecting triode Q1, the emitter stage of triode Q1 connects ground connection after LED lamp. Control circuit is simple in structure, fast response time, low cost of manufacture. Temperature detection is when too high, and temperature sensor 8 is exported high level, and comparator 92 makes triode Q1 conducting by relatively exporting high level, thereby makes power Vcc directly connect buzzer LB and LED lamp. Buzzer LB and LED lamp are indicated with alarm.
In sum, native system can effectively improve the service life of control panel 4, and the security performance of control can be provided.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art are reading after this description and can make to the present embodiment the amendment that there is no creative contribution as required, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.
Claims (6)
1. a boiler Electrically operated gate (2) control system, comprise be positioned over factory building boiler body (1), be arranged at Electrically operated gate (2) on boiler body (1), for controlling the actuating motor (3) of Electrically operated gate (2) motion, it is characterized in that: described actuating motor (3) is connected with the control panel (4) being arranged in control room, and described control panel (4) is connected with DCS controller (5).
2. boiler Electrically operated gate according to claim 1 (2) control system, is characterized in that: described actuating motor (3) is provided with torque sensor (6), described torque sensor (6) is electrically connected to control panel (4).
3. boiler Electrically operated gate according to claim 2 (2) control system, it is characterized in that: described control panel (4) comprises moment of torsion display circuit (7), described moment of torsion display circuit (7) comprises being connected in the bleeder circuit (71) of torque sensor (6) and being parallel to bleeder circuit (71) to be gone up in order to show the voltmeter (72) of dividing potential drop size.
4. boiler Electrically operated gate according to claim 2 (2) control system, it is characterized in that: on described boiler body (1), be also provided with temperature sensor (8), described temperature sensor (8) is connected to control panel (4), described control panel (4) comprises temperature alarm circuit (9), and described temperature alarm circuit (9) receives the signal of temperature sensor (8) and exceedes threshold value alarm in temperature.
5. boiler Electrically operated gate according to claim 4 (2) control system, is characterized in that: described temperature alarm circuit (9) comprises voltage reference circuit (91), comparator (92) and the circuit of warning (93);
Described voltage reference circuit (91) is coupled to the inverting input of comparator (92), in order to threshold voltage to be provided;
The in-phase input end of described comparator (92) receives detection signal, by with threshold voltage after export comparison signal;
The described circuit of warning (93) is coupled to the output of comparator (92), in order to respond comparison signal and to trigger the same alarm of acousto-optic.
6. boiler Electrically operated gate according to claim 5 (2) control system, is characterized in that: described in the circuit (93) of warning comprise the first resistance, triode, buzzer and LED lamp;
The connect base stage of connecting triode after the first resistance of the output of described comparator (92), one end of described buzzer connects power supply, the colelctor electrode of other end connecting triode, the emitter stage of triode connects ground connection after LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048429.4U CN205261517U (en) | 2015-12-15 | 2015-12-15 | Electronic door control system of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048429.4U CN205261517U (en) | 2015-12-15 | 2015-12-15 | Electronic door control system of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205261517U true CN205261517U (en) | 2016-05-25 |
Family
ID=56003043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521048429.4U Active CN205261517U (en) | 2015-12-15 | 2015-12-15 | Electronic door control system of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205261517U (en) |
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2015
- 2015-12-15 CN CN201521048429.4U patent/CN205261517U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |