CN212272615U - Application fan detecting system - Google Patents
Application fan detecting system Download PDFInfo
- Publication number
- CN212272615U CN212272615U CN202020630866.1U CN202020630866U CN212272615U CN 212272615 U CN212272615 U CN 212272615U CN 202020630866 U CN202020630866 U CN 202020630866U CN 212272615 U CN212272615 U CN 212272615U
- Authority
- CN
- China
- Prior art keywords
- fan
- motor
- plc
- module
- vibration
- 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
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides an application fan detecting system, through setting up bearing vibration monitoring module, fan rotational speed detection module, motor housing temperature detection module and motor running current monitoring module are used for detecting the vibration of fan respectively, the rotational speed, temperature and running current index, can realize online bearing vibration monitoring, fan rotational speed detects, motor housing temperature detects and motor running current monitoring function, need not artifical the measuring and can realize the vibration to the fan, the rotational speed, the detection of temperature and running current index, realize the vibration to the fan, the rotational speed, the real-time detection of temperature and running current index, can foresee the trend of worsening of fan, and when breaking down, can learn the fault source immediately, shorten fault source seek time.
Description
Technical Field
The utility model relates to a coating supply line fan detection area especially relates to a coating fan detecting system.
Background
The coating workshop in the automobile industry is a large consumer, wherein more than 70% of electric equipment are fans and water pumps. Wherein, the fan structure schematic diagram is shown in fig. 1. The number of the fans and the water pumps accounts for the majority of the number of the electric equipment in the coating workshop, so that the states of all the fans and the water pumps in the coating workshop need to be detected, and whether faults occur is judged according to the detection state results of the fans and the water pumps. Among the prior art, all rely on the state of artifical detection fan and water pump, there is degree of automation not high to and can't in time learn the defect of fault source, consequently, for solving above-mentioned problem, the utility model provides an application fan detecting system can realize bearing vibration monitoring, fan rotational speed detection, motor housing temperature detection and motor running current monitoring function, need not artifical the detection and can realize the vibration to the fan, rotational speed, the trend of worsening of temperature and running current index, can foresee the fan, and when breaking down, can learn the fault source immediately, shorten fault source search time.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an application fan detecting system can realize bearing vibration monitoring, fan rotational speed detection, motor housing temperature detection and motor running current monitor function, need not artifical the detection and can realize the detection to vibration, rotational speed, temperature and the running current index of fan to when breaking down, can learn the fault source immediately, shorten fault source search time.
The technical scheme of the utility model is realized like this: the utility model provides a coating fan detection system, it includes PLC and fan, the fan includes fan wheel, driven pulley, drive pulley and motor, the pivot and the coaxial fixed mounting of motor shaft of drive pulley, driven pulley passes through the belt and is connected with the drive pulley transmission, the pivot and the coaxial fixed mounting of fan wheel main shaft of driven pulley still include bearing vibration monitoring module, fan rotational speed detection module, motor housing temperature detection module and motor running current monitoring module;
the bearing vibration monitoring module is arranged on a bearing at the impeller end of the fan, detects the vibration value of the fan bearing and transmits the vibration value of the bearing to the analog quantity input module of the PLC;
the fan rotating speed detection module is arranged right opposite to a fan impeller main shaft, collects the fan rotating speed and transmits the fan rotating speed value to the analog quantity input module of the PLC;
the motor shell temperature detection module is arranged right opposite to the motor, collects the temperature on the motor and transmits the temperature value to the analog quantity input module of the PLC;
the motor running current monitoring module collects alternating current on a motor and transmits a collection result to the analog quantity input module of the PLC;
and the bearing vibration monitoring module, the fan rotating speed detection module, the motor shell temperature detection module and the motor running current monitoring module are respectively and electrically connected with the analog quantity input module of the PLC.
On the basis of the above technical solution, preferably, the bearing vibration monitoring module includes: the vibration sensor comprises a first vibration sensor, a second vibration sensor, a first transmitter and a second transmitter;
the first vibration sensor is installed on one end of the fan impeller main shaft, the second vibration sensor is installed on the other end of the fan impeller main shaft, the first vibration sensor is electrically connected with the analog quantity input module of the PLC through the first transmitter, and the second vibration sensor is electrically connected with the analog quantity input module of the PLC through the second transmitter.
On the basis of the above technical scheme, preferably, the fan rotational speed detection module includes: the device comprises a light-reflecting patch, a photoelectric sensor and a revolution counter;
the reflection of light paster is installed on fan impeller main shaft, and photoelectric sensor just sets up to the reflection of light paster, and photoelectric sensor passes through tachometer and PLC's analog input module electric connection.
On the basis of the above technical solution, preferably, the motor housing temperature detection module includes: a platinum thermistor and a temperature transmitter;
the platinum thermal resistor is arranged on the motor shell and is electrically connected with the analog input module of the PLC through the temperature transmitter.
On the basis of the above technical solution, preferably, the motor operation current monitoring module includes: current transformers and current transducers;
the primary side of the current transformer is connected in series in a power supply line of the motor, and the secondary side of the current transformer is electrically connected with an analog quantity input module of the PLC through the current transducer.
The utility model discloses an application fan detecting system has following beneficial effect for prior art:
(1) by arranging the bearing vibration monitoring module, the fan rotating speed detection module, the motor shell temperature detection module and the motor running current monitoring module which are respectively used for detecting the vibration, rotating speed, temperature and running current indexes of the fan, the functions of online bearing vibration monitoring, fan rotating speed detection, motor shell temperature detection and motor running current monitoring can be realized, the detection parameters are rich, the health management and fault finding of the fan are facilitated, the real-time detection on the vibration, rotating speed, temperature and running current indexes of the fan can be realized without manual detection, the deterioration trend of the fan can be predicted, and when a fault occurs, the fault source can be immediately known, and the fault source finding time is shortened;
(2) the bearing vibration monitoring module is provided with the first vibration sensor, the second vibration sensor, the first transmitter and the second transmitter, the utility model discloses use two vibration sensors, compare with a traditional vibration sensor, can detect the bearing vibration value in all directions, make the detected value more close to the true value, and use the first transmitter and the second transmitter to transmit two transmitters to the analog input module of PLC respectively, can make the system integration higher, and reduce the fault rate;
(3) because the rotating speed is non-transient change, the utility model discloses in, photoelectric sensor and revolution counter are adopted in the measurement of rotational speed signal to carry out the pulse count, realize the measurement to each key fan equipment rotational speed parameter, and measurement accuracy is higher;
(4) the transmitters are adopted to transmit data collected by the sensors to the analog input end of the PLC in the motor shell temperature detection module and the motor running current monitoring module, so that the system integration level is higher, and the failure rate is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model relates to a structural schematic diagram of application fan detecting system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 all belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a coating fan detecting system, it includes fan, PLC, bearing vibration monitoring module, fan rotational speed detection module, motor housing temperature detection module and motor running current monitoring module. The bearing vibration monitoring module, the motor shell temperature detection module and the motor running current monitoring module are respectively used for detecting vibration, rotating speed, temperature and running current indexes of the fan, and the PLC is used for receiving data collected by the bearing vibration monitoring module, the fan rotating speed detection module, the motor shell temperature detection module and the motor running current monitoring module. In the embodiment, a programmable logic controller is used as a carrier, detected data is sampled, a 4-20mA current signal or a 0-10VDC voltage signal is generated by a transmitter and is input into an analog quantity input module of a PLC for processing. In this embodiment, the improvement of the PLC program is not involved, and in this embodiment, only the receiving function of the PLC is used.
Further preferably, as shown in fig. 1, the fan includes a fan impeller, a driven pulley, a driving pulley, and a motor. Wherein, the mounting means of each part does: the rotating shaft of the driving belt pulley and the rotating shaft of the motor are coaxially and fixedly installed, the driven belt pulley is in transmission connection with the driving belt pulley through a belt, and the rotating shaft of the driven belt pulley and the main shaft of the fan impeller are coaxially and fixedly installed. The fan structure and the installation mode in the embodiment belong to the prior art, and do not relate to the improvement of the fan structure and the installation mode.
Preferably, the bearing vibration monitoring module is used for collecting the rotating speed of a bearing of the fan, is arranged on a bearing at the impeller end of the fan, detects the vibration value of the bearing of the fan and transmits the vibration value of the bearing to the analog quantity input module of the PLC. In this embodiment, as shown in fig. 1, the bearing vibration monitoring module includes: the vibration sensor comprises a first vibration sensor, a second vibration sensor, a first transmitter and a second transmitter; the first vibration sensor is installed on one end of the fan impeller main shaft, the second vibration sensor is installed on the other end of the fan impeller main shaft, the first vibration sensor is electrically connected with the analog quantity input module of the PLC through the first transmitter, and the second vibration sensor is electrically connected with the analog quantity input module of the PLC through the second transmitter. The first vibration sensor and the second vibration sensor adopt industrial standard sensors, and can measure impact signals, high-frequency vibration signals and fine impact signals. The first transmitter and the second transmitter work based on a negative feedback principle, and mainly comprise a measuring part, an amplifier and a feedback part, the embodiment does not relate to structural improvement of the first transmitter and the second transmitter, and the function can be realized by adopting the transmitters on the market, so that the description is not repeated. In this embodiment, the first vibration sensor and the second vibration sensor are used to convert the vibration signal of the measured portion into a standard voltage signal for output, and the first transmitter and the second transmitter are used to perform signal processing respectively. Because the distance between the on-site monitoring cable and the PLC control cabinet is long, the environment is severe, the signal transmission is greatly influenced by interference, the system signal wire uniformly adopts a high-quality shielding wire, the laying operation is carried out according to the method of 'automatic system anti-interference grounding', the on-line monitoring system is completely networked, has the functions of real-time signal acquisition, processing, alarming and fault auxiliary processing, determines the calibration of the vibration intensity, and develops the relative standard.
Preferably, the fan rotating speed detection module is arranged right opposite to the fan impeller main shaft, collects the fan rotating speed and transmits the fan rotating speed value to the analog quantity input module of the PLC. In this embodiment, as shown in fig. 1, the fan rotation speed detection module includes a reflective patch, a photoelectric sensor, and a rotation speed counter; the reflection of light paster is installed on fan impeller main shaft, and photoelectric sensor just sets up to the reflection of light paster, and photoelectric sensor passes through tachometer and PLC's analog input module electric connection. Since the rotation speed is non-transient, in this embodiment, the measurement of the rotation speed signal uses the photoelectric sensor and the rotation speed counter to perform pulse counting, so as to measure the rotation speed parameters of each key fan device. In this embodiment, the types of the photoelectric sensor and the revolution counter are not limited, and the photoelectric sensor and the revolution counter of different types may be selected according to a specific application scenario.
Further preferably, the motor shell temperature detection module is arranged right opposite to the motor, collects the temperature on the motor and transmits the temperature value to the analog input module of the PLC. In this embodiment, as shown in fig. 1, the motor housing temperature detection module includes a platinum thermistor and a temperature transmitter; the platinum thermal resistor is arranged on the motor shell and is electrically connected with the analog input module of the PLC through the temperature transmitter. Because the temperature of the motor stator and the shell can be continuously increased along with the increase of the current, in order to effectively monitor the temperature of the fan motor, in the embodiment, the surface temperature of the shell of the fan motor is measured by adopting the platinum thermal resistor, and the real-time temperature of each motor shell is transmitted to the analog quantity input module of the PLC for processing in a 4-20mA mode. In the embodiment, the temperature transmitter works based on the negative feedback principle, and mainly comprises a measuring part, an amplifier and a feedback part, the embodiment does not relate to structural improvement of the temperature transmitter, and the function can be realized by adopting the temperature transmitter on the market, so the type of the temperature transmitter is not described in detail and limited. Maintenance personnel can estimate corresponding different working currents according to the temperature value of the motor shell and by combining operation experience, so that the current of the stator is controlled in time, and the stator is prevented from being burnt due to overhigh temperature.
Preferably, the motor running current monitoring module collects alternating current on the motor and transmits the collected result to the analog input module of the PLC; in this embodiment, as shown in fig. 1, the motor operating current monitoring module includes: current transformers and current transducers; the primary side of the current transformer is connected in series in a power supply line of the motor, and the secondary side of the current transformer is electrically connected with an analog quantity input module of the PLC through the current transducer. In this embodiment, a current measurement module is configured with a precision current transformer to realize measurement of the current of the fan motor, and the ac current is collected, and 4-20MA ac current is output to the PLC, and the PLC calculates an actual current value accordingly. In this embodiment, the current transducer operates based on the negative feedback principle, and mainly comprises a measuring part, an amplifier and a feedback part, and this embodiment does not relate to structural improvement of the current transducer, and the function can be realized by using a temperature transducer on the market, so the model thereof is not described and limited herein. In the embodiment, an AC0-30A current transmitter in Huazhixing industry is selected.
The beneficial effect of this embodiment does: in the embodiment, the bearing vibration monitoring module, the fan rotating speed detecting module, the motor shell temperature detecting module and the motor running current monitoring module are respectively used for detecting the vibration, rotating speed, temperature and running current indexes of the fan, so that the functions of online bearing vibration monitoring, fan rotating speed detecting, motor shell temperature detecting and motor running current monitoring can be realized, the detection of the vibration, rotating speed, temperature and running current indexes of the fan can be realized without manual detection, and when a fault occurs, a fault source can be immediately known, and the fault source searching time is shortened;
the bearing vibration monitoring module is provided with the first vibration sensor, the second vibration sensor, the first transmitter and the second transmitter, the two vibration sensors are used in the embodiment, compared with the traditional vibration sensor, the bearing vibration value can be detected in an all-around manner, so that the detected value is closer to the actual value, and the two transmitters are respectively transmitted to the analog input module of the PLC by using the first transmitter and the second transmitter, so that the system integration level is higher, and the fault rate is reduced;
in the embodiment, the measurement of the rotating speed signal adopts the photoelectric sensor and the rotating speed counter to carry out pulse counting, so that the rotating speed parameters of each key fan device are measured, and the measurement precision is higher;
the transmitters are adopted to transmit data collected by the sensors to the analog input end of the PLC in the motor shell temperature detection module and the motor running current monitoring module, so that the system integration level is higher, and the failure rate is reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a coating fan detecting system, its includes PLC and fan, the fan includes fan wheel, driven pulley, drive pulley and motor, and drive pulley's pivot and the coaxial fixed mounting of motor shaft, driven pulley pass through the belt and are connected with the drive pulley transmission, driven pulley's pivot and the coaxial fixed mounting of fan wheel main shaft, its characterized in that: the device also comprises a bearing vibration monitoring module, a fan rotating speed detection module, a motor shell temperature detection module and a motor running current monitoring module;
the bearing vibration monitoring module is arranged on a fan impeller end bearing, detects a fan bearing vibration value and transmits the bearing vibration value to the analog quantity input module of the PLC;
the fan rotating speed detection module is arranged right opposite to a fan impeller main shaft, collects the fan rotating speed and transmits the fan rotating speed value to the analog quantity input module of the PLC;
the motor shell temperature detection module is arranged right opposite to the motor, collects the temperature on the motor and transmits the temperature value to the analog quantity input module of the PLC;
the motor running current monitoring module collects alternating current on a motor and transmits a collection result to an analog quantity input module of the PLC;
and the bearing vibration monitoring module, the fan rotating speed detection module, the motor shell temperature detection module and the motor running current monitoring module are respectively and electrically connected with the analog quantity input module of the PLC.
2. The coating blower detection system of claim 1, wherein: the bearing vibration monitoring module includes: the vibration sensor comprises a first vibration sensor, a second vibration sensor, a first transmitter and a second transmitter;
the first vibration sensor is installed on one end of the fan impeller main shaft, the second vibration sensor is installed on the other end of the fan impeller main shaft, the first vibration sensor is electrically connected with the analog quantity input module of the PLC through the first transmitter, and the second vibration sensor is electrically connected with the analog quantity input module of the PLC through the second transmitter.
3. The coating blower detection system of claim 1, wherein: the fan rotational speed detection module includes: the device comprises a light-reflecting patch, a photoelectric sensor and a revolution counter;
the reflection of light paster is installed on the fan main shaft, and photoelectric sensor just sets up to reflection of light paster, and photoelectric sensor passes through tachometer and PLC's analog quantity input module electric connection.
4. The coating blower detection system of claim 1, wherein: the motor case temperature detection module includes: a platinum thermistor and a temperature transmitter;
and the platinum thermal resistor is arranged on the motor shell and is electrically connected with the analog quantity input module of the PLC through the temperature transmitter.
5. The coating blower detection system of claim 1, wherein: the motor running current monitoring module comprises: current transformers and current transducers;
the primary side of the current transformer is connected in series in a power supply line of the motor, and the secondary side of the current transformer is electrically connected with an analog quantity input module of the PLC through the current transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020630866.1U CN212272615U (en) | 2020-04-23 | 2020-04-23 | Application fan detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020630866.1U CN212272615U (en) | 2020-04-23 | 2020-04-23 | Application fan detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212272615U true CN212272615U (en) | 2021-01-01 |
Family
ID=73876548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020630866.1U Active CN212272615U (en) | 2020-04-23 | 2020-04-23 | Application fan detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212272615U (en) |
-
2020
- 2020-04-23 CN CN202020630866.1U patent/CN212272615U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109296733B (en) | Fault monitoring system and method for automobile transfer case | |
| EP2189795A1 (en) | Belt slip meter | |
| CN107061106A (en) | A kind of hydroelectric generating set monitoring device | |
| CN111289897B (en) | Motor monitoring system | |
| CN116500439A (en) | Motor online fault monitoring method and device based on machine learning technology | |
| CN212272615U (en) | Application fan detecting system | |
| CN103644863A (en) | Cross-flow fan-blade radial-circle-jump-degree non-contact online diagnostic device and method | |
| CN211296482U (en) | Centrifuge motor control system | |
| CN111780971B (en) | Multi-shaft transmission device fault diagnosis system and method based on rotation speed sensor | |
| CN212693963U (en) | Monitoring device of circuit breaker | |
| CN211926941U (en) | Water pump detection system | |
| CN201163778Y (en) | Server management monitoring apparatus | |
| CN105372537A (en) | Labview/PDA-based frequency converter intelligent test platform | |
| CN113050541A (en) | Numerical control machine tool energy consumption and processing state on-line monitoring system | |
| CN102589750B (en) | Fault detection structure for automatic weather station temperature sensor | |
| CN208902756U (en) | A kind of motor speed monitoring device | |
| CN110166549A (en) | A kind of device of remote real time monitoring cooling tower running state | |
| CN102916400B (en) | Over-torque protection control device and method for three-phase electric executor | |
| CN203982119U (en) | The full intelligent controller of shielded electric pump | |
| CN202159128U (en) | Intelligent accumulating counter | |
| CN201583341U (en) | Spot-check detection device for vibration state of water flooding unit | |
| CN104090512B (en) | Shielded electric pump full item intelligent controller | |
| CN205981454U (en) | A infrared temperature measuring device for monitoring of change of current valve | |
| CN204807570U (en) | Table is sent in change of two -wire system rotational speed | |
| CN214122724U (en) | Joint detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |