CN204610337U - A kind of fire inspection cooling blower fault pre-alarming device - Google Patents
A kind of fire inspection cooling blower fault pre-alarming device Download PDFInfo
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- CN204610337U CN204610337U CN201520134918.5U CN201520134918U CN204610337U CN 204610337 U CN204610337 U CN 204610337U CN 201520134918 U CN201520134918 U CN 201520134918U CN 204610337 U CN204610337 U CN 204610337U
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- blower fan
- controller
- current sensor
- blower
- fire inspection
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Abstract
A kind of fire inspection cooling blower fault pre-alarming device, comprise blower fan group, current sensor A, air door, controller, upper-position unit, voltage transducer, current sensor B, described blower fan group comprises blower fan A and blower fan B two blower fan for subsequent use each other; Described current sensor A is connected to the outlet terminal of the motor of blower fan A, and it exports termination controller; Described current sensor B is connected to the outlet terminal of the motor of blower fan B, and it exports termination controller; Described air door is connected with blower fan group, and the output terminal of the position transmitter on it is connected with controller; Described upper-position unit is connected with controller; Described voltage transducer is connected to the power end of this covering device, and it exports termination controller; The measured value of the supply voltage that controller receives feedback and comes, throttle opening, running current, running current deviation ratio is drawn by retrieval and logical operation, whether failure judgement, fan trouble is embodied in the stealthy phase, ensures the stability of fire inspection cooling air supply.
Description
Technical field
The utility model relates to a kind of fire inspection cooling blower fault pre-alarming device.
Background technique
Flame detector system is most important constituent element in boiler burning protective system, and fire inspection cooling air system is then the key ensureing flame-detecting probe long-term safety work in stove.Generally, the fan section of fire inspection cooling air system is made up of two centrifugal blowers for subsequent use each other, and a fortune one is standby, supply flame-detecting probe cooling-air, protects its not contaminated and high temperature to burn out.
Circuit breaker, thermorelay and matched with blower is mostly adopted in current engineering technology; be used as overload protection; and the trip action of this type of low-voltage variation electrical equipment and equipment operating current have greatest relation, its overload magnification determine dropout whether with drop-away time length.For circuit breaker, when the rated current of circuit actual bearer 1.13 times, continue 1 hour, circuit breaker also can not produce dropout; And when circuit actual bearer electric current reaches the rated current of 2.55 times, circuit breaker neither at once with regard to action, even a little longer time action of 2s, 10s all likely, this type of hidden failures is difficult to by system Timeliness coverage, if frequently occur, the stability of fire inspection cooling air system certainly will be had a greatly reduced quality.
Summary of the invention
The utility model examines cooling air system for fire, and provide a kind of fire inspection cooling blower fault pre-alarming device, fault fire being examined cooling blower is embodied in the stealthy stage, thus available protecting blower fan also realizes the stable supply of fire inspection cooling air.
A kind of fire inspection of described model utility cooling blower fault pre-alarming device, comprise blower fan group (1), current sensor A(2), air door (3), controller (4), upper-position unit (5), voltage transducer (6), current sensor B(7), described blower fan group (1) comprises blower fan A(8) and blower fan B(9) two chain each other blower fans for subsequent use; Described current sensor A(2) be connected to the outlet terminal of the motor of blower fan A (8), it exports termination controller (4); Described current sensor B(7) be connected to blower fan B(9) the outlet terminal of motor, it exports termination controller (4); Described air door (3) is connected with blower fan group (1), and it is provided with the position transmitter measuring air door (3) aperture, position transmitter output terminal is connected with controller (4); Described upper-position unit (5) is the man-machine interfaces such as touch screen, and being connected with controller (4) by serial ports or ethernet communication mode realizes communication; Described voltage transducer (6) is connected to the power input of this covering device, and it exports termination controller (4); Described controller (4) has analog acquisition function and logical operation function.
The beneficial effects of the utility model are: Criterion database, Real-time Collection is carried out supply voltage, throttle opening, running current three parameter values compare with reference value, deviation ratio is drawn by logical operation, judge to run blower fan working state, the fault running blower fan is embodied in the stealthy stage, avoid failure propagation, ensure the stability of fire inspection cooling air supply.
Accompanying drawing explanation
Fig. 1 is the organigram of a kind of fire inspection of the utility model cooling blower fault pre-alarming device.
Fig. 2 is the composition schematic diagram of a kind of fire inspection of the utility model cooling blower fault pre-alarming device apoplexy unit.
Fig. 3 is the standard database pie graph of a kind of fire inspection of the utility model cooling blower fault pre-alarming device.
Label in figure: 1, blower fan group, 2, current sensor A, 3, air door, 4, controller, 5, upper-position unit, 6, voltage transducer, 7, current sensor B, 8, blower fan A, 9, blower fan B.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of fire inspection cooling blower fault pre-alarming device, comprise blower fan group (1), current sensor A(2), air door (3), controller (4), upper-position unit (5), voltage transducer (6), current sensor B(7), described blower fan group (1) comprises blower fan A(8) and blower fan B(9) two chain each other blower fans for subsequent use; Described current sensor A(2) be connected to the outlet terminal of the motor of blower fan A (8), it exports termination controller (4); Described current sensor B(7) be connected to blower fan B(9) the outlet terminal of motor, it exports termination controller (4); Described air door (3) is connected with blower fan group (1), and it is provided with the position transmitter measuring air door (3) aperture, position transmitter output terminal is connected with controller (4); Described upper-position unit (5) is the man-machine interfaces such as touch screen, and being connected with controller (4) by serial ports or ethernet communication mode realizes communication; Described voltage transducer (6) is connected to the power input of this covering device, and it exports termination controller (4).
As shown in Figure 3, after the Installation and Debugging of fire inspection cooling air system are normal, controller (4) is first set up and is comprised supply voltage, throttle opening, the standard database of these three parameters of running current, this standard database by " blower fan A(8) run, blower fan B(9) standard database under standby function " and " blower fan B(9) run, blower fan A(8) standard database under standby function " two word bank compositions, be called for short " word bank A " and " word bank B ", wherein, " word bank A " comprises " same supply voltage, blower fan A(8 under different throttle opening) standard database of running current " and " same throttle opening, blower fan A(8 under different electrical power voltage) standard database of running current " two points of storehouses, equally, " word bank B " comprises " same supply voltage, blower fan B(9 under different throttle opening) standard database of running current " and " same throttle opening, blower fan B(9 under different electrical power voltage) standard database of running current " two points of storehouses.
Supply voltage is undertaken gathering by voltage transducer (6) and feeds back to controller (4).
Throttle opening is undertaken gathering by the position transmitter measuring air door (3) aperture and feeds back to controller (4).
Collection apparent wind unit (1) operating conditions of running current and determining, as blower fan A(8) run, blower fan B(9) for subsequent use time, current sensor A(2) carry out gathering and feed back to controller (4), otherwise then by current sensor B(7) carry out gathering and feed back to controller (4).
After fire inspection cooling air system bringing normally into operation, controller (4) receiver voltage sensor (6), position transmitter, current sensor A(2) or current sensor B(7) Real-time Collection and come supply voltage, throttle opening, the measured value of running current three parameters, and the reference value of running current corresponding retrieve this supply voltage and throttle opening in standard database under, running current measured value and reference value are compared, if measured value is above standard value 5%, be considered as fault state, controller (4) drives standby fan to start, upper-position unit (5) provides early warning simultaneously, operations staff is reminded to overhaul in time.
Claims (2)
1. a fire inspection cooling blower fault pre-alarming device, comprise blower fan group (1), current sensor A(2), air door (3), controller (4), upper-position unit (5), voltage transducer (6), current sensor B(7), described blower fan group (1) comprises blower fan A(8) and blower fan B(9) two chain each other blower fans for subsequent use; Described current sensor A(2) be connected to the outlet terminal of the motor of blower fan A (8), it exports termination controller (4); Described current sensor B(7) be connected to blower fan B(9) the outlet terminal of motor, it exports termination controller (4); Described air door (3) is connected with blower fan group (1), and it is provided with the position transmitter measuring air door (3) aperture, position transmitter output terminal is connected with controller (4); Described upper-position unit (5) is touch screen, and being connected with controller (4) by serial ports or ethernet communication mode realizes communication; Described voltage transducer (6) is connected to the power input of this covering device, and it exports termination controller (4).
2. fire inspection cooling blower fault pre-alarming device according to claim 1, is characterized in that: comprise the standard database about supply voltage, throttle opening, these three parameters of running current set up in advance in described controller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134918.5U CN204610337U (en) | 2015-03-11 | 2015-03-11 | A kind of fire inspection cooling blower fault pre-alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134918.5U CN204610337U (en) | 2015-03-11 | 2015-03-11 | A kind of fire inspection cooling blower fault pre-alarming device |
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| CN204610337U true CN204610337U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520134918.5U Active CN204610337U (en) | 2015-03-11 | 2015-03-11 | A kind of fire inspection cooling blower fault pre-alarming device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869338A (en) * | 2019-03-22 | 2019-06-11 | 北京首都机场动力能源有限公司 | A kind of dry-type transformer crossing current cooling wind unit single machine state recognition system |
| CN110043497A (en) * | 2019-04-03 | 2019-07-23 | 华能淮阴第二发电有限公司 | A kind of blower automatic adjustment fault early warning method and system |
| CN114738308A (en) * | 2022-04-28 | 2022-07-12 | 中国华能集团清洁能源技术研究院有限公司 | Fan fault early warning method and system capable of positioning specific equipment |
-
2015
- 2015-03-11 CN CN201520134918.5U patent/CN204610337U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869338A (en) * | 2019-03-22 | 2019-06-11 | 北京首都机场动力能源有限公司 | A kind of dry-type transformer crossing current cooling wind unit single machine state recognition system |
| CN109869338B (en) * | 2019-03-22 | 2023-12-08 | 北京首都机场动力能源有限公司 | Single-machine state identification system of cross-flow cooling fan set of dry-type transformer |
| CN110043497A (en) * | 2019-04-03 | 2019-07-23 | 华能淮阴第二发电有限公司 | A kind of blower automatic adjustment fault early warning method and system |
| CN114738308A (en) * | 2022-04-28 | 2022-07-12 | 中国华能集团清洁能源技术研究院有限公司 | Fan fault early warning method and system capable of positioning specific equipment |
| CN114738308B (en) * | 2022-04-28 | 2024-01-23 | 中国华能集团清洁能源技术研究院有限公司 | Fan fault early warning method and system capable of positioning specific equipment |
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