CN210977952U - Fault sensing alarm device for centrifugal fan - Google Patents
Fault sensing alarm device for centrifugal fan Download PDFInfo
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- CN210977952U CN210977952U CN201920956861.5U CN201920956861U CN210977952U CN 210977952 U CN210977952 U CN 210977952U CN 201920956861 U CN201920956861 U CN 201920956861U CN 210977952 U CN210977952 U CN 210977952U
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- 238000012544 monitoring process Methods 0.000 abstract description 11
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Abstract
The utility model discloses a failure sensing alarm device for centrifugal fan, including information acquisition unit, information processing unit, alarm unit, communication unit and box, information acquisition unit and information processing unit electric connection, information processing unit respectively with alarm unit and communication unit electric connection, information acquisition unit includes current sensor, voltage sensor, temperature sensor and speed sensor, information processing unit includes rectifier module, signal amplification module, AD converter and singlechip, rectifier module's input respectively with current sensor's output, voltage sensor's output, temperature sensor's output and speed sensor's output electric connection. The utility model discloses a set up current sensor, voltage sensor, temperature sensor, speed sensor and signal transmitter, solved current technical fault monitoring not comprehensive to can't realize remote monitoring, awkward problem.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is a failure sensing alarm device for centrifugal fan.
Background
The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of the input mechanical energy, and the principle is that the gas is accelerated by utilizing an impeller rotating at a high speed, then the speed is reduced, the flow direction is changed, and the kinetic energy is converted into potential energy, and the centrifugal fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; in the air inflation and propulsion of a wind tunnel wind source and an air cushion ship, a centrifugal fan inevitably fails during operation, so that the centrifugal fan needs to be monitored during operation.
However, the existing fault sensing and alarming device of the centrifugal fan has the following disadvantages:
1. the existing fault sensing alarm device of the centrifugal fan is single in function, cannot monitor multiple data during operation of the centrifugal fan, is not comprehensive in monitoring, and cannot give an alarm in time when the centrifugal fan breaks down to remind an operator.
2. The fault sensing alarm device of the existing centrifugal fan cannot realize remote monitoring, personnel must monitor alarm information around when the centrifugal fan operates, but in the actual use process, the fault sensing alarm device is difficult to avoid the moment that operating personnel leaves, and the fault sensing alarm device cannot be stopped for maintenance in time when faults occur easily, so that the centrifugal fan is damaged.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a centrifugal fan's failure sensing alarm device has solved current technical fault monitoring not comprehensive to unable realization remote monitoring, awkward problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a fault sensing and alarming device for a centrifugal fan comprises an information acquisition unit, an information processing unit, an alarming unit, a communication unit and a box body, wherein the information acquisition unit is electrically connected with the information processing unit, the information processing unit is respectively electrically connected with the alarming unit and the communication unit, the information acquisition unit comprises a current sensor, a voltage sensor, a temperature sensor and a rotating speed sensor, the information processing unit comprises a rectifying module, a signal amplification module, an A/D converter and a single chip microcomputer, the input end of the rectifying module is respectively electrically connected with the output end of the current sensor, the output end of the voltage sensor, the output end of the temperature sensor and the output end of the rotating speed sensor, the output end of the rectifying module is electrically connected with the input end of the signal amplification module, and the output end of the signal amplification module is electrically connected with the input end of the A/D converter, the output of AD converter and the input electric connection of singlechip, alarm unit includes current alarm, voltage alarm, rotational speed alarm and temperature alarm, the output of singlechip respectively with current alarm's input, voltage alarm's input, rotational speed alarm's input and temperature alarm's input electric connection.
Preferably, the communication unit includes signal transmitter, signal transmitter and singlechip electric connection, signal transmitter and high in the clouds server nature connection.
Preferably, the information acquisition unit, the information processing unit, the alarm unit and the communication unit are all arranged inside the box body, and the current alarm, the voltage alarm, the rotating speed alarm and the temperature sensor are sequentially installed at the top end of the box body from left to right.
Preferably, the current sensor is connected to a power supply of the fan device in series, and the voltage sensor is connected to a power supply line of the fan device in parallel.
Preferably, the temperature sensor and the rotating speed sensor are both arranged inside the shell of the fan device.
Preferably, the box body is fixedly installed on the fan equipment shell through bolts.
(III) advantageous effects
The utility model provides a centrifugal fan's trouble sensing alarm device possesses following beneficial effect:
(1) the utility model is provided with a current sensor, a voltage sensor, a temperature sensor and a rotating speed sensor, when in use, the current sensor, the voltage sensor, the temperature sensor and the rotating speed sensor can respectively monitor the current and the voltage data of the power output when the centrifugal fan runs, monitor the rotating speed of the motor and the internal temperature of the centrifugal fan, and transmit the monitoring data to the singlechip after rectification, signal amplification and signal conversion, the singlechip compares the acquired real-time data with each safety data preset in the singlechip, when the data monitored by one or more sensors is abnormal, the singlechip can control the alarm corresponding to the corresponding sensor to alarm, the utility model can sense the current, the voltage, the temperature and the rotating speed data when the centrifugal fan runs and indicate the corresponding alarm to alarm when the fault occurs, the monitoring is more comprehensive, and centrifugal fan uses safelyr.
(2) The utility model discloses a set up signal transmitter, during the use, the data message that the singlechip will acquire sends to high in the clouds server through signal transmitter, and remote service personnel through the computer networking alright acquire each item data of monitoring during the centrifugal fan operation on the high in the clouds server, so alright also can discover the fault information of centrifugal fan operation in real time under the circumstances that on-the-spot unmanned personnel watched, be convenient for in time learn and investigate when centrifugal fan breaks down.
Drawings
FIG. 1 is a view showing the structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a connection diagram of the present invention.
The reference numbers in the figures are: 1. an information acquisition unit; 2. an information processing unit; 3. an alarm unit; 4. a communication unit; 5. a current sensor; 6. a voltage sensor; 7. a temperature sensor; 8. a rotational speed sensor; 9. a rectification module; 10. a signal amplification module; 11. an A/D converter; 12. a single chip microcomputer; 13. a current alarm; 14. a voltage alarm; 15. a rotation speed alarm; 16. a temperature alarm; 17. a signal transmitter; 18. and (4) a box body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical scheme, a fault sensing alarm device for centrifugal fan, including information acquisition unit 1, information processing unit 2, alarm unit 3, communication unit 4 and box 18, information acquisition unit 1 and information processing unit 2 electric connection, information processing unit 2 respectively with alarm unit 3 and communication unit 4 electric connection, information acquisition unit 1 includes current sensor 5, voltage sensor 6, temperature sensor 7 and tachometer sensor 8, information processing unit 2 includes rectifier module 9, signal amplification module 10, AD converter 11 and singlechip 12, rectifier module 9's input respectively with current sensor 5's output, voltage sensor 6's output, temperature sensor 7's output and tachometer sensor 8's output electric connection, rectifier module 9's output and signal amplification module 10's input electric connection, signal amplification module 10's output and AD converter 11's input electric connection, AD converter 11's output and current sensor 12's input, singlechip alarm unit 3 includes current alarm 13, voltage alarm 14, alarm and temperature alarm 15 and tachometer signal processing unit 15, the tachometer signal processing unit is installed in the case of fan, the terminal 13-17 electric connection of the tachometer signal processing unit 13, the tachometer signal processing unit 13 electric connection of the alarm device is the terminal of the fan 13 electric connection of the fan, the stationary electrical signal processing unit 13-17 electric connection of the alarm device of the fan, the stationary electrical signal transmitter, the stationary electrical connection of the stationary electrical signal transmitter is the fan, the fan is the fan, the stationary electrical signal transmitter unit 13, the stationary electrical connection of the stationary electrical signal transmitter of the fan is the fan electrical connection of the stationary electrical connection of the fan 14, the stationary electrical connection of the fan electrical signal transmitter, the fan is the fan electrical signal transmitter of the fan electrical signal transmitter, the fan electrical connection of the fan electrical signal transmitter of the fan electrical connection of the fan 14, the fan electrical signal transmitter of the fan electrical connection of the fan, the fan electrical connection of the fan is the fan, the fan is the fan electrical connection of the fan, the fan electrical signal transmitter of the fan electrical signal transmitter, the fan is.
Working principle; when the device is used, the current sensor 5, the voltage sensor 6, the temperature sensor 7 and the rotating speed sensor 8 can respectively monitor current and voltage data output by a power supply when a centrifugal fan runs, the rotating speed of a motor and the internal temperature of the centrifugal fan are monitored, the monitored data are processed by the rectifying module 9, the signal amplifying module 10 and the A/D converter 11 and then are transmitted to the single chip microcomputer 12, the single chip microcomputer 12 compares the acquired real-time data with each safety data preset in the single chip microcomputer 12, when the data monitored by one or more sensors are abnormal, the single chip microcomputer 12 can control the alarm corresponding to the corresponding sensor to give an alarm, meanwhile, the single chip microcomputer 12 can transmit the acquired data information to a cloud server through the signal transmitter 17, and remote service personnel can acquire each data monitored when the centrifugal fan runs on the cloud server through computer networking, and timely acquiring fault alarm information.
To sum up can, the utility model discloses a set up current sensor 5, voltage sensor 6, temperature sensor 7, speed sensor 8 and signal transmitter 17, solved current technical fault monitoring not comprehensive to can't realize remote monitoring, awkward problem.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a failure sensing alarm device for centrifugal fan, includes information acquisition unit (1), information processing unit (2), alarm unit (3), communication unit (4) and box (18), its characterized in that: the information acquisition unit (1) is electrically connected with the information processing unit (2), the information processing unit (2) is electrically connected with the alarm unit (3) and the communication unit (4) respectively, the information acquisition unit (1) comprises a current sensor (5), a voltage sensor (6), a temperature sensor (7) and a rotating speed sensor (8), the information processing unit (2) comprises a rectifying module (9), a signal amplification module (10), an A/D converter (11) and a single chip microcomputer (12), the input end of the rectifying module (9) is electrically connected with the output end of the current sensor (5), the output end of the voltage sensor (6), the output end of the temperature sensor (7) and the output end of the rotating speed sensor (8) respectively, the output end of the rectifying module (9) is electrically connected with the input end of the signal amplification module (10), the output of signal amplification module (10) and the input electric connection of AD converter (11), the output of AD converter (11) and the input electric connection of singlechip (12), alarm unit (3) are including current alarm (13), voltage alarm (14), rotational speed alarm (15) and temperature alarm (16), the output of singlechip (12) respectively with the input of current alarm (13), the input of voltage alarm (14), the input of rotational speed alarm (15) and the input electric connection of temperature alarm (16).
2. A failure sensing alarm device for a centrifugal fan according to claim 1, wherein: the communication unit (4) comprises a signal transmitter (17), the signal transmitter (17) is electrically connected with the single chip microcomputer (12), and the signal transmitter (17) is connected with the cloud server.
3. A failure sensing alarm device for a centrifugal fan according to claim 1, wherein: the intelligent alarm device is characterized in that the information acquisition unit (1), the information processing unit (2), the alarm unit (3) and the communication unit (4) are all arranged inside the box body (18), and the current alarm (13), the voltage alarm (14), the rotating speed alarm (15) and the temperature alarm (16) are sequentially installed at the top end of the box body (18) from left to right.
4. A failure sensing alarm device for a centrifugal fan according to claim 1, wherein: the current sensor (5) is connected to a power supply of the fan equipment in series, and the voltage sensor (6) is connected to a power supply circuit of the fan equipment in parallel.
5. A failure sensing alarm device for a centrifugal fan according to claim 1, wherein: and the temperature sensor (7) and the rotating speed sensor (8) are both arranged inside the fan equipment shell.
6. A failure sensing alarm device for a centrifugal fan according to claim 1, wherein: the box body (18) is fixedly arranged on the shell of the fan equipment through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956861.5U CN210977952U (en) | 2019-06-24 | 2019-06-24 | Fault sensing alarm device for centrifugal fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956861.5U CN210977952U (en) | 2019-06-24 | 2019-06-24 | Fault sensing alarm device for centrifugal fan |
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| CN210977952U true CN210977952U (en) | 2020-07-10 |
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| CN201920956861.5U Active CN210977952U (en) | 2019-06-24 | 2019-06-24 | Fault sensing alarm device for centrifugal fan |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196822A (en) * | 2020-10-10 | 2021-01-08 | 辽宁华融富瑞新能源科技股份有限公司 | Emergency fan system for hydrogen energy triple supply |
| CN113565778A (en) * | 2021-08-18 | 2021-10-29 | 建龙黑龙江新材料科技有限公司 | Narrow-band production abnormity alarm system |
-
2019
- 2019-06-24 CN CN201920956861.5U patent/CN210977952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196822A (en) * | 2020-10-10 | 2021-01-08 | 辽宁华融富瑞新能源科技股份有限公司 | Emergency fan system for hydrogen energy triple supply |
| CN113565778A (en) * | 2021-08-18 | 2021-10-29 | 建龙黑龙江新材料科技有限公司 | Narrow-band production abnormity alarm system |
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