CN215333577U - Protection device for cooling fan of vibration table - Google Patents
Protection device for cooling fan of vibration table Download PDFInfo
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- CN215333577U CN215333577U CN202121087998.5U CN202121087998U CN215333577U CN 215333577 U CN215333577 U CN 215333577U CN 202121087998 U CN202121087998 U CN 202121087998U CN 215333577 U CN215333577 U CN 215333577U
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Abstract
The utility model belongs to the technical field of protection and control of a vibrating table, and discloses a protection device for a cooling fan of the vibrating table, which comprises a data acquisition instrument, a PLC (programmable logic controller), a cloud platform, an electronic monitoring end and a frequency converter, wherein the data acquisition instrument is connected to a pipeline between the cooling fan and the vibrating table to acquire temperature and air exhaust amount data and send the data to the PLC, the PLC controls the operation of the cooling fan through the frequency converter, and the cloud platform is connected with the PLC to store the temperature and air exhaust amount data and carry out real-time monitoring through the electronic monitoring end. The utility model is convenient for the PLC to control the speed of the cooling fan through the frequency converter, thereby realizing the adjustable power of the cooling fan and reducing the frequent starting and energy waste of the cooling fan of the vibration table; the electronic monitoring end connected to the cloud platform can monitor the running state of the cooling fan in real time, the monitoring of field workers is reduced, the working strength of the workers is reduced, and the remote monitoring of the cooling fan is realized.
Description
Technical Field
The utility model relates to the technical field of protection and control of a vibrating table, in particular to a protection device for a cooling fan of a vibrating table.
Background
In a vibration table control system, the intelligence, stability and safety of a vibration table cooling system are more and more emphasized. At present, most of cooling fans in a cooling system of a vibration table are controlled based on star-delta voltage reduction starting, but are limited by factors such as working environment and the like in practical application, the starting current is large, and the cooling fan is not suitable for frequent starting. In the prior art, the vibrating table body has overtemperature protection, the cooling fan only has overload protection and does not have air quantity and temperature monitoring, the machine can be stopped and alarm only when the motor is damaged, and fault preventive maintenance cannot be realized; and the noise is too big when cooling blower moves, causes noise pollution, influences the rest of district resident around night. When the vibration table is in a standby state, the cooling fan always runs at a high speed, and the speed cannot be regulated, so that unnecessary energy waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a protection device for a cooling fan of a vibrating table, which aims to solve the problem of energy waste caused by frequent starting or continuous high-speed running of the cooling fan of the vibrating table.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a protection device for a cooling fan of a vibration table, which comprises:
the input end of the data acquisition instrument is connected to the pipeline to acquire temperature data and air exhaust volume data;
the PLC is connected with the output end of the data acquisition instrument to receive the temperature data and the air exhaust amount data;
the cloud platform is connected with the PLC to store the temperature data and the air exhaust amount data;
the electronic monitoring end is connected with the cloud platform and can monitor the data and the air exhaust amount data in real time;
and the frequency converter is connected between the PLC and the cooling fan and is configured to regulate the speed according to a control instruction of the PLC so as to control the running state of the cooling fan.
Optionally, the data collector includes a temperature detector and a flow detector, both disposed on the pipeline.
Optionally, the temperature detectors are at least two, and the at least two temperature detectors are respectively arranged at two ends of the pipeline.
Optionally, the temperature detector comprises a temperature sensor, a thermocouple and/or a thermal resistor, and the flow detector is a flow sensor.
Optionally, the PLC controller is connected to the cloud platform via a Modbus TCP communication protocol.
Optionally, the cloud platform and the electronic monitoring terminal are connected by an ethernet and/or a wireless network.
Optionally, the electronic monitoring terminal includes a smart phone, a tablet computer and/or a computer.
Optionally, the protection device for the cooling fan of the vibration table further comprises an alarm connected to the cloud platform, and the alarm is configured to send alarm information when the temperature data and the air exhaust amount data are overloaded.
Optionally, the frequency converter is a stepless speed regulation frequency converter with an analog quantity output of 4-20 MA.
Optionally, the cloud platform is an internet of things module.
The utility model has the beneficial effects that:
according to the protection device for the cooling fan of the vibrating table, the data acquisition instrument is arranged to acquire the cold temperature and the air exhaust amount and send the cold temperature and the air exhaust amount to the PLC, so that the PLC can control the speed of the cooling fan through the frequency converter conveniently, the power of the cooling fan can be adjusted, and the frequent starting of the cooling fan and the energy waste can be reduced. According to the protection device for the cooling fan of the vibrating table, the cloud platform is connected with the PLC to store the temperature and the exhaust air volume, so that the operation state of the cooling fan can be conveniently monitored in real time by the electronic monitoring end connected to the cloud platform, the monitoring of field workers is reduced, the working intensity of the workers is reduced, and the remote monitoring of the cooling fan is realized.
Drawings
Fig. 1 is a schematic structural diagram of a protection device of a cooling fan of a vibration table of the utility model.
In the figure:
100. a cooling fan; 200. a vibration table;
1. a data acquisition instrument; 2, a PLC controller; 3. a cloud platform; 4. an electronic monitoring end; 5. and a frequency converter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the cooling fan 100 is connected to the vibration table 200 through a pipeline to provide cooling air to the vibration table 200 to achieve a cooling effect, so that the problem of energy waste caused by frequent starting or continuous high-speed operation of the cooling fan 100 can be solved.
Specifically, the protection device for the cooling fan of the vibration table comprises a data acquisition instrument 1, a PLC (programmable logic controller) 2, a cloud platform 3, an electronic monitoring end 4 and a frequency converter 5, wherein the input end of the data acquisition instrument 1 is connected to a pipeline between the cooling fan 100 and the vibration table 200 to acquire temperature data and air exhaust amount data; the PLC 2 is connected with the output end of the data acquisition instrument 1 to receive temperature data and air exhaust volume data; the cloud platform 3 is connected with the PLC 2 to store temperature data and air exhaust volume data; the electronic monitoring end 4 is connected with the cloud platform 3, and the electronic monitoring end 4 can monitor temperature data and air exhaust volume data in real time; the frequency converter 5 is connected between the PLC controller 2 and the cooling fan 100, and the frequency converter 5 is configured to adjust the speed according to a control instruction of the PLC controller 2 to control the operation state of the cooling fan 100.
According to the protection device for the cooling fan of the vibrating table, the data acquisition instrument 1 is arranged to acquire the temperature and the air exhaust amount of the cooling fan 100 and send the temperature and the air exhaust amount to the PLC 2, so that the PLC 2 can control the speed of the cooling fan 100 through the frequency converter 5 conveniently, the power of the cooling fan 100 can be adjusted, and frequent starting of the cooling fan 100 of the vibrating table and energy waste are reduced. In the prior art, when the vibration table 200 works, the cooling fan 100 is required to provide a cooling air source, but when the vibration table 200 is in a standby state, if the cooling fan 100 is frequently started and stopped, the service life of the cooling fan 100 is damaged, and faults are prone to occur; if the fixed cooling power is maintained all the time, the energy waste is caused, the running state of the cooling fan 100 and the working state of the vibration table 200 can be monitored in real time by collecting the running state data of the cooling fan 100, and then the working frequency of the cooling fan 100 is controlled by the PLC 2, so that the problem of energy waste is solved. The protection device of shaking table cooling blower who provides connects PLC controller 2 through setting up cloud platform 3 in order receiving and storage temperature and the volume of airing exhaust, and the electron monitoring end 4 real-time supervision cooling blower 100's that is connected on the cloud platform 3 of being convenient for running state reduces the monitoring of site work personnel, reduces staff's working strength, realizes cooling blower 100's remote monitoring. It can be understood that the cloud platform 3 is a hardware platform capable of providing computing, network and storage capabilities, can store temperature data and air exhaust volume, and can read the data through the electronic monitoring terminal 4 to perform manual remote monitoring, which is beneficial to improving the working environment of workers.
Optionally, the data collector 1 includes a temperature detector and a flow detector, both disposed on the pipeline between the vibration table 200 and the cooling fan 100.
As shown in fig. 1, the vibrating table 200 is connected to the cooling fan 100 through a pipeline, the cooling air reaches the vibrating table 200 through the pipeline to cool and reduce the temperature of the table body of the vibrating table 200, the temperature detector and the flow detector are arranged on the pipeline to accurately collect the temperature and the flow of the cooling air respectively, the working state change of the vibrating table 200 is reflected when the temperature changes, and then the flow output of the cooling fan 100 is adjusted by adjusting the output power of the frequency converter 5, so that the energy waste is reduced, and meanwhile, the noise reduction effect can be achieved.
Optionally, the number of the temperature detectors is at least two, and the at least two temperature detectors are respectively arranged at two ends of the pipeline.
In this embodiment, cooling fan 100 and shaking table 200 are connected respectively to the both ends of pipeline, gather the temperature at pipeline both ends, and the temperature that is close to cooling fan 100 one side is the temperature of cooling air promptly, and the temperature that is close to shaking table 200 one side is the operating temperature of shaking table 200, can embody the operating condition of shaking table 200, and then can adjust cooling fan 100's cooling air's flow according to the temperature change, reach energy-conserving effect of making an uproar of falling.
Optionally, the temperature detector comprises a temperature sensor, a thermocouple and/or a thermal resistor and the flow detector is a flow sensor.
Adopt temperature sensor and flow sensor, simple structure and with low costs, it is accurate to detect data, is connected to PLC controller 2 through the cable, can provide accurate temperature and the volume of airing exhaust, is convenient for control. The selection can be specifically carried out according to the detection precision and the connection mode.
Optionally, the PLC controller 2 is connected to the cloud platform 3 through a Modbus TCP communication protocol.
In this embodiment, the cloud platform 3 is an internet of things module, specifically, a GM-20 module on the EMCP internet of things cloud platform, and is a product in the prior art and can be purchased and obtained. Carry out the communication through Modbus TCP communication protocol and Siemens PLC controller 2 and be connected, can read the variable data (including temperature and the volume of airing exhaust) in the PLC controller 2 and can be through the frequency conversion output of 2 remote control converters of PLC controller 5, can look over control at electronic monitoring end 4 to automatic record of doing is preserved, saves and the record when realizing cloud platform 3 and electronic monitoring 4, ensures that data is complete. EMCP thing networking cloud platform not only has smart mobile phone APP remote control, can also connect webpage high in the clouds demonstration and control through arbitrary computer end, and control priority can set for wantonly, and the operating condition that shaking table 200 and cooling blower 100 just can be looked over to the tester and maintenance personal need not arrive the scene, convenient and fast.
Specifically, the electronic monitoring terminal 4 includes a smart phone, a tablet computer and/or a computer. The embodiment adopts smart mobile phone and computer, and through installing corresponding APP on smart mobile phone, testing personnel and maintenance personal can look over the real-time status of shaking table cooling blower 100 and do the record automatically and save through smart mobile phone APP or computer webpage. When the temperature of the table body of the vibration table 200 is ultrahigh or the flow of the cooling air in the pipeline is too low, related personnel can be notified to maintain through a WeChat message reminding mode. The utility model furthest realizes the temperature protection of the vibrating table 200 and the safety of the service life of the cooling fan 100, greatly reduces the operation noise of the cooling fan 100, simultaneously does not need to arrange a large number of personnel for inspection and duty, and reduces the labor cost. The smart phone, the tablet personal computer and/or the computer can display in real time to monitor the temperature and the flow of the cooling fan 100, and can draw a curve to show the change of the temperature and the flow along with the time, so that the temperature and the air exhaust amount can be conveniently counted and analyzed to obtain database data, and the maintenance and the repair of equipment are facilitated.
Optionally, an ethernet connection and/or a wireless network connection is/are provided between the cloud platform 3 and the electronic monitoring terminal 4.
It can be understood that the remote monitoring and control of the electronic monitoring terminal 4 can be realized by adopting a network connection or wireless network connection mode, the required field personnel are few, the working environment of technical personnel is improved, the recording and the storage of real-time monitoring data are convenient, the data statistics and analysis are convenient, the stable running states of the cooling fan 100 and the vibrating table 200 are ensured, and the purposes of real-time monitoring and displaying are achieved.
Optionally, the protection device for the cooling fan of the vibration table further comprises an alarm, the alarm is connected with the cloud platform 3, and the alarm is configured to send alarm information when the temperature data and the air exhaust volume data are overloaded.
In one embodiment of the utility model, the EMCP cloud platform of the Internet of things is provided with alarm functions of overtemperature of a platform body, overload of a motor, low air volume and the like of the vibrating table 200, alarm information can be sent to mobile phone WeChat of related maintenance and duty personnel after account numbers are bound through a WeChat terminal, the system cost is low, the practicability is high, the safety of the system is greatly improved, and the labor cost can be saved;
in another embodiment of the present invention, the alarm is connected to the PLC controller 2, and determines the temperature data and the air discharge amount received in real time in the PLC controller 2, and sends alarm information once the PLC controller 2 is overloaded, and prompts the PLC controller 2 to send an emergency stop instruction to the cooling fan 100, or adjusts the output of the frequency converter 5, so as to increase or decrease the flow rate of the cooling fan 100, and eliminate the alarm fault. The overload includes two conditions that the temperature or the flow exceeds the set upper limit and is lower than the set lower limit, when the protection device is started, the protection device firstly performs self-checking, whether an alarm is given by the PLC 2 or the cloud platform 3, if the alarm is given, alarm information can be given in detail so that maintenance personnel can solve the problem, if the alarm is not given, an operator can set the related alarm values (including the upper limit value and the lower limit value) of the vibration table 200 and the cooling fan 100 by operating the cloud platform 3, the cooling fan 100 can be automatically started along with the vibration table 200 or can be manually started locally or remotely at any time, the PLC 2 starts the cooling fan 100 according to the alarm value setting and calculates the table body temperature and the air exhaust volume of the vibration table 200, so that the output of the frequency converter 5 is controlled to adjust the rotating speed of the cooling fan 100, and the test personnel and the maintenance personnel can adjust the rotating speed of the cooling fan 100 through the cloud platform 3, the running states of the cooling fan 100 and the vibrating table 200 are checked in real time at a mobile phone APP or a computer end and remotely controlled, the running states of the vibrating table 200 and the cooling fan 100 can be remotely checked, and when the temperature of the table body of the vibrating table 200 is ultrahigh or the flow of cooling air in a pipeline is too low, related personnel can be informed to maintain or overhaul through a WeChat information reminding mode.
Optionally, the frequency converter 5 is a stepless speed regulation frequency converter with analog quantity output of 4-20MA, so that the cooling fan 100 can run at different rotating speeds when the cooling system of the vibration table is in high and low peaks, the noise of the cooling system is low, and the energy-saving effect is good. Stepless speed regulation is realized to converter 5, and PLC controller 2 is through the comparison to shaking table 200 and temperature sensor numerical value on the pipeline and the signal feedback of exhaust flow, and cooling system's work load condition is judged in inside PID operation, and the power output of intelligent regulation converter 5 reduces standby and unnecessary energy waste.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a protection device of shaking table cooling blower, passes through the tube coupling between cooling blower (100) and shaking table (200), characterized in that, protection device of shaking table cooling blower includes:
the input end of the data acquisition instrument (1) is connected to the pipeline to acquire temperature data and air exhaust volume data;
the PLC (2) is connected with the output end of the data acquisition instrument (1) to receive the temperature data and the air exhaust amount data;
the cloud platform (3) is connected with the PLC (2) to store the temperature data and the air exhaust amount data;
the electronic monitoring end (4) is connected with the cloud platform (3), and the electronic monitoring end (4) can monitor the temperature data and the air exhaust amount data in real time;
the frequency converter (5) is connected between the PLC (2) and the cooling fan (100), and the frequency converter (5) is configured to regulate the speed according to a control instruction of the PLC (2) so as to control the operation state of the cooling fan (100).
2. The protection device for the cooling fan of the vibrating table as claimed in claim 1, wherein the data acquisition instrument (1) comprises a temperature detector and a flow detector which are arranged on the pipeline.
3. The protection device for the cooling fan of the vibrating table as claimed in claim 2, wherein the number of the temperature detectors is at least two, and at least two of the temperature detectors are respectively disposed at two ends of the pipeline.
4. The protection device for the cooling fan of the vibrating table as claimed in claim 2, wherein the temperature detector comprises a temperature sensor, a thermocouple and/or a thermal resistor, and the flow detector is a flow sensor.
5. The protection device for the cooling fan of the vibrating table as claimed in claim 1, wherein the PLC (2) is connected with the cloud platform (3) through a Modbus TCP communication protocol.
6. The protection device for the cooling fan of the vibrating table as claimed in claim 1, wherein the cloud platform (3) and the electronic monitoring terminal (4) are connected through an Ethernet and/or a wireless network.
7. The protection device for the cooling fan of the vibrating table as claimed in claim 1, wherein the electronic monitoring terminal (4) comprises a smart phone, a tablet computer and/or a computer.
8. The protection device for the cooling fan of the vibrating table as claimed in claim 1, further comprising an alarm connected to the cloud platform (3), the alarm being configured to send an alarm message when the temperature data and the air discharge data are overloaded.
9. The protection device for the cooling fan of the vibration table as claimed in claim 1, wherein the frequency converter (5) is a stepless speed-regulating frequency converter with 4-20MA analog output.
10. The protection device for the cooling fan of the vibrating table as claimed in claim 1, wherein the cloud platform (3) is an internet of things module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087998.5U CN215333577U (en) | 2021-05-20 | 2021-05-20 | Protection device for cooling fan of vibration table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087998.5U CN215333577U (en) | 2021-05-20 | 2021-05-20 | Protection device for cooling fan of vibration table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333577U true CN215333577U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121087998.5U Active CN215333577U (en) | 2021-05-20 | 2021-05-20 | Protection device for cooling fan of vibration table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333577U (en) |
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2021
- 2021-05-20 CN CN202121087998.5U patent/CN215333577U/en active Active
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