CN114263837A - Centralized lubrication intelligent control system and method - Google Patents
Centralized lubrication intelligent control system and method Download PDFInfo
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- CN114263837A CN114263837A CN202210036838.0A CN202210036838A CN114263837A CN 114263837 A CN114263837 A CN 114263837A CN 202210036838 A CN202210036838 A CN 202210036838A CN 114263837 A CN114263837 A CN 114263837A
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Abstract
The invention discloses an intelligent control system and method for centralized lubrication, and relates to the technical field of lubricating grease distribution. The control cabinet is in communication connection with the pneumatic proportional valve, the intelligent distributor and the pressure transmitter and is used for sending an operation command and receiving feedback information; the upper computer is in communication connection with the control cabinets and used for issuing control instructions to the control cabinets and receiving feedback information of the control cabinets. Therefore, the intelligent distributor management system can automatically manage a plurality of intelligent distributors without excessive manual intervention, the operating parameters of the intelligent distributors can be independently set, and the operating conditions can be fed back to the control cabinet and the upper computer in real time for centralized monitoring and management. The system is also provided with a cloud platform, and monitoring, checking and parameter adjustment are carried out remotely through a mobile phone and a computer.
Description
Technical Field
The invention relates to the technical field of lubricating grease distribution, in particular to a centralized lubricating intelligent control system and a method.
Background
The existing lubricating grease distribution control system has the disadvantages of low automation degree, more places needing manual interference, low working efficiency, insufficient feedback of working state, incapability of remote monitoring and the like, and hysteresis of management control. In addition, the valve core is driven by the existing grease distributor in an electromagnetic adsorption mode, and the distribution valve is started and closed. The grease distributing valve is easy to be closed and opened under the extrusion of high-pressure grease, and faults occur, so that oil supply to equipment needing lubrication cannot be realized, the operation of a lubricating grease distributing control system is influenced, and even the equipment is damaged.
Disclosure of Invention
The invention provides a centralized lubrication intelligent control system and a method, and aims to solve the problems in the prior art.
The invention adopts the following technical scheme:
an intelligent control system for centralized lubrication comprises an intelligent distributor, a control cabinet, an upper computer, a pneumatic pump and an oil drum; the oil drum is connected with an oil inlet port of the pneumatic pump, an oil outlet port of the pneumatic pump is connected with the intelligent distributors through oil supply pipelines, the intelligent distributors are connected with the lubricating points, the pneumatic pump is provided with a pneumatic proportional valve, and each intelligent distributor is provided with a pressure transmitter; the control cabinet is in communication connection with the pneumatic proportional valve, the intelligent distributor and the pressure transmitter, is used for controlling the pneumatic pump and the intelligent distributor and receiving feedback information of the pneumatic pump, the intelligent distributor and the pressure transmitter; the upper computer is in communication connection with the control cabinets and used for issuing control instructions to the control cabinets and receiving feedback information of the control cabinets.
Further, the oil drum is connected in the switch board communication for receive the oil level feedback information of oil drum.
Preferably, the control cabinet is in communication connection with the intelligent distributor through a PowerBus bus.
The cloud platform is in communication connection with the control cabinets and is used for facilitating the mobile terminal to remotely monitor and manage the control cabinets through the cloud platform.
Furthermore, the intelligent distributor comprises a plurality of distribution valves and a control circuit board, wherein each distribution valve comprises a valve body, a valve core, a screw rod and a motor; the valve body is provided with an installation cavity, an oil inlet channel and an oil outlet channel which are communicated with the installation cavity, and the valve core is provided with an oil passage; the valve core is movably arranged in the mounting cavity, the upper end of the valve core is connected with the screw rod used for driving the valve core so as to enable the oil inlet channel, the oil passage channel and the oil outlet channel to form a passage or an open circuit, and the screw rod is also connected with a motor used for enabling the screw rod to rotate; the distribution valves are connected in parallel, and the control circuit board is in communication connection with the distribution valves and is used for controlling the distribution valves; the control cabinet is in communication connection with the control circuit board.
Furthermore, the oil inlet channel and the oil outlet channel are respectively arranged on two sides of the mounting cavity of the valve body, and the side wall of the valve core is provided with an annular concave part for forming the oil outlet channel; the lower end of the screw is in threaded connection with the valve core, and the valve core is provided with a limiting pin for blocking the valve core to rotate along with the screw; the valve core is arranged on the valve body, and the valve core is fixedly provided with a detection ring; the two first inductors are respectively arranged at two ends of the moving track of the detection ring.
From the above description of the structure of the present invention, it can be seen that the present invention has the following advantages:
the oil tank is connected with the intelligent distributors through the pneumatic pumps and oil supply pipelines, the pneumatic pumps are provided with pneumatic proportional valves, and the intelligent distributors are provided with pressure transmitters. The control cabinet is in communication connection with the pneumatic proportional valve, the intelligent distributor and the pressure transmitter and is used for sending an operation command and receiving feedback information; the upper computer is in communication connection with the control cabinets and used for issuing control instructions to the control cabinets and receiving feedback information of the control cabinets. Therefore, the intelligent distributor can be automatically managed without excessive manual intervention. In addition, the running condition of each intelligent distributor can be fed back to the control cabinet in real time, and even the running condition is collected to an upper computer arranged in the central control room, so that the centralized monitoring and management are facilitated.
Secondly, pressure transmitters are arranged on an oil supply pipeline, intelligent distributors and the like, a control cabinet can monitor the grease pressure of each point in real time through the pressure transmitters, the output pressure is changed by adjusting a pneumatic proportional valve, and then the current grease pressure of the intelligent distributor needing oil feeding is adjusted to be a proper number, so that the problem that normal oil supply lubrication cannot be carried out due to the fact that the current grease pressure of one intelligent distributor is too small due to the fact that the grease conveying distance is far and near or the current grease pressure of other intelligent distributors is influenced is avoided.
Thirdly, in the invention, the control cabinet and the intelligent distributor are in communication connection by adopting a PowerBus bus, the intelligent distributor can be connected infinitely, and the system has strong extensibility. Theoretically, only one set of the system is needed in a factory to control the lubricating points of all terminal equipment.
And fourthly, the system is also provided with a cloud platform, so that the system can be monitored and managed through an upper computer arranged in a central control room, and can also be remotely monitored, checked and parameter adjusted through a mobile phone and a computer at any time and any place, thereby greatly improving the working efficiency and the simplicity.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of an intelligent distributor according to the present invention.
Fig. 3 is a sectional view of a dispensing valve in the intelligent dispenser.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, an intelligent control system for centralized lubrication mainly comprises an intelligent distributor, a control cabinet, an upper computer, a pneumatic pump and an oil drum.
As shown in fig. 1 and fig. 2, the oil drum is connected with the oil inlet port of pneumatic pump, and the port of producing oil of pneumatic pump is through supplying a plurality of intelligent distributors of oil piping connection, and the lubricating point of a plurality of terminal equipment is connected to intelligent distributor (a terminal equipment probably possesses a plurality of lubricating points), and pneumatic pump is equipped with the pneumatic proportional valve that is used for pressure setting, and each intelligent distributor and supply oil piping, air supply line all are equipped with pressure transmitter.
As shown in fig. 1 and 2, the control cabinet is in communication connection with the pneumatic pump, the intelligent distributors and the pressure transmitters, and is mainly used for receiving a control command below the upper computer and sending the control command to the pneumatic proportional valve, the intelligent distributor and the like so as to control the pneumatic pump and the intelligent distributor. And the control cabinet is also used for receiving feedback information of the pneumatic pump, the intelligent distributor and the pressure transmitter. The external air source is connected to the pneumatic pump through the pneumatic proportional valve, the control cabinet controls the pneumatic proportional valve to adjust the pressure of compressed air output to the pneumatic pump, and the pressure of the compressed air is fed back to the control cabinet in real time through the corresponding pressure transmitter. When necessary, the control cabinet can also transmit the relevant information to a preset receiving terminal (such as a smart phone) through the cloud platform. Preferably, the control cabinet is in communication connection with the intelligent distributors through PowerBus buses, so that the intelligent distributors which take the intelligent distributors as PowerBus slave stations are formed, the control cabinet is a control management framework of a PowerBus master station, and the intelligent distributors can be infinitely connected in series to serve as PowerBus slave stations. In addition, the oil drum is connected in the switch board communication for receive the oil level feedback information of oil drum.
As shown in fig. 1 and fig. 2, the upper computer is connected to a plurality of control cabinets in a communication manner, and is configured to issue control commands to the control cabinets, receive feedback information of the control cabinets, and centrally display and control operation information (including abnormal alarm information) of the entire system.
As shown in fig. 1 and 2, the cloud platform is communicatively connected to each control cabinet, and is used for facilitating remote monitoring and management of each control cabinet through the cloud platform by using mobile terminals such as mobile phones and computers.
As shown in fig. 1, 2 and 3, the intelligent distributor mainly includes six distribution valves 1, a diversion disk 2 and a control circuit board 3 connected to a control cabinet in a communication manner. Six distributing valves 1 are arranged at each oil outlet of the flow guide disc 2, and the oil inlet of the flow guide disc 2 is connected with an oil supply pipeline. Of course, the number of the distribution valves 1 is not limited to six, and may be increased or decreased as necessary. Six branch pipelines 4 of the diversion disc 2 are respectively connected with the oil inlet ports of the distributing valves 1. Since the diversion disc 2 is a conventional component of the distributor, the structure and the specific assembly structure with the distribution valve 1 will not be described in detail. The control circuit board 3 is connected in communication with each distribution valve 1 for controlling each distribution valve 1, and can control any one distribution valve 1 independently or simultaneously control a plurality of distribution valves 1.
As shown in fig. 2 and 3, the distribution valve 1 mainly includes a valve body 5, a valve core 6, a screw 7, a motor 8, and a first base 19. The valve body 3 is vertically provided with an installation cavity 9 penetrating through the valve body 3. The valve body 3 is provided with an oil inlet passage 10 and an oil outlet passage 11 on both sides of the installation cavity 9, which are communicated with the installation cavity 7, and a corresponding oil inlet port 12 and an oil outlet port 13 are formed on the surface of the valve body 3.
As shown in fig. 2 and 3, the outer side wall of the valve core 6 is provided with an annular recess, and the valve core 6 is movably arranged in the mounting cavity 9, and the annular recess forms the oil passage 14. Preferably, the outer side wall of the valve core 6 is movably nested with a wear ring 15 for abutting against the mounting cavity 9. Further, a plurality of seal rings 16 are provided between the valve body 6 and the mounting chamber 9 above and below the oil gallery 14.
As shown in fig. 2 and 3, the valve body 6 is provided with a threaded hole 17, and the screw 7 is screwed into the threaded hole 17. The valve body 5 is provided with a first base 19 through four connecting posts 18 fixed frames, the motor 8 is fixedly arranged on the first base 1, and the output shaft of the motor 8 is provided with a screw 7 downward in an integrated forming mode.
As shown in fig. 2 and 3, an upper limit block 20 is fixed at the bottom of the first base 19 and is used for abutting against the upper end of the valve core 6. The bottom of the valve body 5 is fixedly provided with a lower limiting block 21 which is used for abutting against the lower end of the valve core 6.
As shown in fig. 2 and 3, the lower end of the valve core 6 is fixedly connected to a limit pin 22, and one end of the limit pin 22 movably penetrates through the lower limit block 22, so that the valve core 6 does not rotate with the screw 7.
As shown in fig. 2 and 3, the motor 8 as a driving mechanism drives the screw 7 to rotate, and due to the threaded connection between the screw 7 and the valve core 6 and the arrangement of the limit pin between the valve core 6 and the valve body 5 for blocking the rotation of the valve core 6, the valve core 6 moves down or up in the installation cavity 9 along with the positive and negative rotation of the screw 7, so as to further promote the oil passage 14 to be connected with or staggered with the oil inlet passage 10 and the oil outlet passage 11, thereby forming a passage or an open circuit of the distribution valve 1.
As shown in fig. 2 and 3, the valve further comprises a detection ring 23 and a first inductor 24, wherein the detection ring 23 with a rod body 26 is fixedly sleeved on the upper end of the valve core 6 outside the valve body 5. An induction circuit board 25 equipped with two first inductors 24 is fixedly arranged on the first base 19, and the two first inductors 24 are respectively arranged at two ends of the moving track of the rod body 26 so as to correspond to the starting and closing states of the distributing valve 1. The control circuit board 3 is also fixed on the first base 19, and the sensing circuit board 25 is connected with the control circuit board 3 in a communication way.
As shown in fig. 2 and 3, the high-pressure grease filling intelligent distributor further comprises an upper protective cover 27 and a plurality of lower protective covers 28, wherein the upper protective cover 27 is used for wrapping all external leakage parts, such as the first base 19, the motor 8, the sensing circuit board 25, the control circuit board 3 and the like, which are assembled above each valve body 1, and reinforcing the connection among the distribution valves. The lower protective cover 28 is used for wrapping the limiting pin 22 and the lower limiting block 21.
As shown in fig. 2 and fig. 3, in the above-mentioned intelligent distributor, a screw is generally used as a connecting member to realize a fixed connection relationship between two components in the first embodiment.
As shown in fig. 1, 2 and 3, the present invention works:
when grease needs to be filled at a certain lubricating point of the terminal equipment, the control cabinet sends an instruction, the pneumatic pump and each intelligent distributor are started, the distributing valve corresponding to the lubricating point needing to be filled with the grease is opened, and the grease is delivered to the lubricating point through the pneumatic pump, the oil supply pipeline, the flow guide disc of the intelligent distributor and the distributing valve of the intelligent distributor.
In the process of grease filling, each pressure transmitter monitors the pressure of grease in real time, transmits the pressure to an intelligent distributor serving as a PowerBus slave station, transmits the pressure to a control cabinet serving as a PowerBus master station, converts PowerBus bus information into RS485 communication information by the control cabinet, transmits the RS485 communication information to a PLC (programmable logic controller) inside the control cabinet for information processing, and the PLC transmits an instruction to a pneumatic proportional valve according to a preset pressure value of the grease to adjust the output pressure of the pneumatic proportional valve in real time.
In order to improve the flexibility, the centralized lubricating intelligent control system presets the starting time, the filling time and the grease pressure of each lubricating point. The control cabinet can sequentially control the intelligent distributor to open the distribution valves leading to the corresponding lubricating points according to the preset opening time of each lubricating point, and can finish the grease filling work of the lubricating points one by one in sequence and also can finish the grease filling work of a plurality of lubricating points simultaneously. The centralized lubricating intelligent control system adopts a polling mode to the opening time of all lubricating points, the opening time, the filling time and the grease pressure of each lubricating point can be independently set, the time interval of polling each time can also be set, and all points perform circulating work according to the parameters set by the system. When the opening time is met and the grease pressure is met, opening a distribution valve of the corresponding intelligent distributor; when the filling time is satisfied, the control cabinet sends an instruction to control the valve core of the corresponding distribution valve to be closed, and the grease passage in the distribution valve is disconnected to finish the grease filling work of the lubricating point.
In addition, each control cabinet of the centralized lubrication intelligent control system can transmit the running state of the site to an upper computer of a central control room, so that centralized monitoring and management are facilitated. Meanwhile, the field control parameters can be adjusted on an upper computer of the central control room. In addition, the system is also provided with a cloud platform, and all working conditions of the system can be checked and parameters can be adjusted at any time and any place through a computer or a mobile phone and other portable mobile terminals.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. The utility model provides a centralized lubrication intelligent control system which characterized in that: the system comprises an intelligent distributor, a control cabinet, an upper computer, a pneumatic pump and an oil drum; the oil drum is connected with an oil inlet port of the pneumatic pump, an oil outlet port of the pneumatic pump is connected with the intelligent distributors through oil supply pipelines, the intelligent distributors are connected with the lubricating points, the pneumatic pump is provided with a pneumatic proportional valve, and each intelligent distributor is provided with a pressure transmitter; the control cabinet is in communication connection with the pneumatic proportional valve, the intelligent distributor and the pressure transmitter, is used for controlling the pneumatic pump and the intelligent distributor and receiving feedback information of the pneumatic pump, the intelligent distributor and the pressure transmitter; the upper computer is in communication connection with the control cabinets and used for issuing control instructions to the control cabinets and receiving feedback information of the control cabinets.
2. The intelligent control system for centralized lubrication according to claim 1, wherein: the oil drum is connected in the switch board communication for receive the oil level feedback information of oil drum.
3. A centralized lubrication intelligent control system according to claim 1 or 2, characterized in that: and the control cabinet is in communication connection with the intelligent distributor through a PowerBus bus.
4. The intelligent control system for centralized lubrication according to claim 1, wherein: the cloud platform is in communication connection with the control cabinets and is used for facilitating the mobile terminal to remotely monitor and manage the control cabinets through the cloud platform.
5. The intelligent control system for centralized lubrication according to claim 1, wherein: the pneumatic pump is a pneumatic pump, the pneumatic pump is provided with a pneumatic proportional valve, and the control cabinet is in communication connection with the pneumatic proportional valve and used for setting pressure.
6. The intelligent control system for centralized lubrication according to claim 1, wherein: the intelligent distributor comprises a plurality of distribution valves, a flow guide disc and a control circuit board, wherein each distribution valve comprises a valve body, a valve core, a screw rod and a motor; the valve body is provided with an installation cavity, an oil inlet channel and an oil outlet channel which are communicated with the installation cavity, and the valve core is provided with an oil passage; the valve core is movably arranged in the mounting cavity, the upper end of the valve core is connected with the screw rod used for driving the valve core so as to enable the oil inlet channel, the oil passage channel and the oil outlet channel to form a passage or an open circuit, and the screw rod is also connected with a motor used for enabling the screw rod to rotate; the distribution valves are connected in parallel through a diversion disc connected with an oil supply pipeline, and the control circuit board is in communication connection with the distribution valves and is used for controlling the distribution valves; the control cabinet is in communication connection with the control circuit board.
7. The intelligent control system for centralized lubrication according to claim 6, wherein: the oil inlet channel and the oil outlet channel are respectively arranged on two sides of the mounting cavity of the valve body, and the side wall of the valve core is provided with an annular concave part for forming the oil outlet channel; the lower end of the screw is in threaded connection with the valve core, and the valve core is provided with a limiting pin for blocking the valve core to rotate along with the screw; the valve core is arranged on the valve body, and the valve core is fixedly provided with a detection ring; the two first inductors are respectively arranged at two ends of the moving track of the detection ring.
8. An intelligent control method for centralized lubrication, which is implemented by using the intelligent control system for centralized lubrication as claimed in claims 1-7.
9. The intelligent control method for centralized lubrication according to claim 8, wherein the intelligent control method comprises the following steps:
when the lubricating points need to be filled with grease, the control cabinet sends an instruction, the pneumatic pump and each intelligent distributor are started, the distribution valve corresponding to the lubricating point needing to be filled with the grease is opened, and the grease is delivered to the lubricating points through the pneumatic pump, the oil supply pipeline, the flow guide disc of the intelligent distributor and the distribution valve of the intelligent distributor;
in the process of grease filling, each pressure transmitter monitors the pressure of grease in real time and transmits the pressure to the corresponding intelligent distributor and the control cabinet, and the control cabinet adjusts the output pressure of the pneumatic proportional valve according to the preset pressure value of the grease.
10. The intelligent control method for centralized lubrication according to claim 8 or 9, wherein: presetting the opening time, the filling time and the grease pressure for each lubricating point; the control cabinet performs round inspection on the opening time of all the lubricating points; when the opening time is met and the grease pressure is met, opening a distribution valve of the corresponding intelligent distributor; and when the filling time length is met, closing the distribution valve of the corresponding intelligent distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036838.0A CN114263837A (en) | 2022-01-13 | 2022-01-13 | Centralized lubrication intelligent control system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036838.0A CN114263837A (en) | 2022-01-13 | 2022-01-13 | Centralized lubrication intelligent control system and method |
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| Publication Number | Publication Date |
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| CN114263837A true CN114263837A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210036838.0A Pending CN114263837A (en) | 2022-01-13 | 2022-01-13 | Centralized lubrication intelligent control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115523412A (en) * | 2022-08-16 | 2022-12-27 | 湖南华菱涟源钢铁有限公司 | Intelligent centralized lubricating system for continuous casting |
-
2022
- 2022-01-13 CN CN202210036838.0A patent/CN114263837A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115523412A (en) * | 2022-08-16 | 2022-12-27 | 湖南华菱涟源钢铁有限公司 | Intelligent centralized lubricating system for continuous casting |
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