CN214488191U - Universal type purging control system - Google Patents
Universal type purging control system Download PDFInfo
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- CN214488191U CN214488191U CN202023341163.6U CN202023341163U CN214488191U CN 214488191 U CN214488191 U CN 214488191U CN 202023341163 U CN202023341163 U CN 202023341163U CN 214488191 U CN214488191 U CN 214488191U
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Abstract
The utility model provides a general type sweeps control system, including the controller, by the measurement solenoid valve of controller control switching with sweep the solenoid valve to and the multichannel measurement draws and presses the passageway, every way measurement draws and all installs at least one on pressing the passageway measurement solenoid valve, every way measurement draws and all communicates on pressing the passageway and has the passageway that sweeps, and every way measurement draws and presses the passageway and all installs at least one with it communicating sweep between the passageway sweep the solenoid valve that sweeps, the controller on have a plurality of data ports that are used for connecting the changer, the controller be connected with and be used for launching or closing the port control switch of different data ports and be used for launching or closing the control switch that sweeps of different solenoid valves. This scheme reduces dozens of model products into several kinds, the standardized production of being convenient for, and work load reduces by a wide margin to in enterprise control product cost improves product price/performance ratio and market competition.
Description
Technical Field
The utility model belongs to the technical field of the boiler sweeps, especially, relate to a general type sweeps control system.
Background
In the industries of electric power, coal chemical industry, ferrous metallurgy, cement, papermaking, petrochemical oil refining, biofuel boilers and the like, the air quantity and the air pressure are measured, a pressure guiding pipe is a 304 stainless steel pipe with the outer diameter of 10mm, a through hole of 6mm or the outer diameter of 14mm and the through hole of 10mm, various bends and connecting welding joints are arranged in the middle of long-distance pressure guiding, then an isolating stop valve is used for connecting a sensor or a transmitter, a conversion joint is arranged at the joint of an instrument, the instrument is required to be disassembled and checked in a certain time period, and the instrument is required to be overhauled and disassembled in operation.
As time goes on, the whole instrument pipeline is more, less and small leakage points which are difficult to find appear, and the leakage points of the pressure leading pipe are difficult to test and difficult to find and search manually due to the field environment; and the instrument pipeline that causes more easily under the condition that the leak source appears blocks up, needs the maintenance and repair personnel to spend a large amount of time in sweeping the approval process and the manual work sweeps instrument pipe work, and often artifical the dismantlement, and the manual work sweeps, makes the pipeline leak source increase, and then makes the frequency of sweeping rise greatly, so causes vicious circle, causes a large amount of manual works and economic benefits to lose.
In order to save labor and improve automation level and economic benefit of a factory, the instrument tube is generally subjected to timed automatic purging and ash removal through a small PLC control system.
The PLC control system automatically purges and cleans ash, and the accumulated ash in the instrument tube is generally purged by the PLC control electromagnetic valve. Because the field instrument loop has pressure measuring points and also has differential pressure measuring points, the important measuring points have 2 parallel or 3 parallel standby connection modes; sometimes adopt 2 way pressure pipe purgers, sometimes adopt the purger of 3 way pressure pipes, still adopt the purger of 4 way pressure pipes, general purger producer can design regularly system of sweeping according to field customization. This has caused a problem that various purging systems are more than dozens of types, and the manufacturer is inconvenient to stock in advance, and needs to specially manufacture the corresponding purging system for different customers each time. Moreover, if the customer temporarily changes the connection scheme, the customized purge system may no longer be suitable. For example, a customer customizes a purging control system with two pressure leading-pressure pipe channels and two pressure measuring points, and later thinks that one measuring point is an important measuring point, when two measuring points are needed to be connected in parallel, the purging control system cannot be realized by using the customized purging system, and the problems of prolonged construction period, waste of manpower and material resources and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a general type sweep control system.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a general type sweeps control system, includes the controller, by the measurement solenoid valve and the purge solenoid valve of controller control switching to and multichannel measurement are drawn and are pressed the passageway, every way measurement is drawn and is pressed and all install at least one on the passageway measurement solenoid valve, every way measurement is drawn and is pressed all to communicate on the passageway and has been swept the passageway, and every way measurement is drawn and is pressed the passageway and all install at least one with it communicating sweeping the passageway between sweep the solenoid valve, the controller on have a plurality of data ports that are used for connecting the changer, the controller be connected with and be used for starting or closing the port control switch of different data ports and be used for starting or closing the purge control switch of different purge solenoid valves.
In the general purging control system, the controller is connected with a human-machine module, and the port control switch and the purging control switch are both arranged on the human-machine module.
In the general purging control system, the human-machine module comprises a touch display screen, and the port control switch and the purging control switch are both arranged on the touch display screen in a touch key mode.
In the general purge control system, the controller is further connected to a measurement control switch for controlling the measurement solenoid valve.
In the general purge control system, the port control switch includes a plurality of first touch switch keys for respectively turning on or off the corresponding ports;
the purging control switch comprises a plurality of second touch switch keys for respectively starting or closing the corresponding purging electromagnetic valves;
the measurement control switch comprises a plurality of third touch key switches which are respectively used for starting or closing the corresponding measurement electromagnetic valves.
In the above general purging control system, the port control switch, the purging control switch, and the measurement control switch are all mechanical control switches or electronic control switches.
In the general purge control system, a plurality of purge channels are connected to the same purge tube, the purge tube is used for connecting a compressed air pump to introduce purge gas into the purge channels, and the compressed air pump is connected to the controller.
In the general purge control system, the number of the data ports is equal to or more than the number of the pressure introduction channels;
the transmitter is a pressure transmitter or a differential pressure transmitter.
In the universal purge control system described above, the controller has four data ports for connection to the transmitter.
In the general purge control system, the general purge control system has four measuring pressure-leading channels;
or the universal purging control system is provided with three paths of measuring pressure leading channels;
or the universal purging control system is provided with two measuring pressure leading channels.
The utility model has the advantages that:
1. dozens of types of products are reduced into a plurality of types, so that the standardized production is facilitated, the workload is greatly reduced, the product cost is conveniently controlled by enterprises, and the product cost performance and the market competitiveness are improved;
2. the product types are reduced, the product is convenient to stock in advance, the same type product can meet the application requirements of different pressure transmitters and differential pressure transmitters of customers, and the requirements of various different permutation combination connections can be met on site;
3. and a plurality of data ports are reserved, and in the case of damage of one data port, channel switching can be realized by connecting the instrument to another port and simultaneously enabling the other data port.
Drawings
FIG. 1 is a schematic diagram of the circuit connection of the purging control system of the present invention, the model of which is two paths of measuring pressure-leading channels, applied to the scene of 1 pressure transmitter;
FIG. 2 is a schematic view showing the scene connection of the purging control system of the present invention, the model of which is two paths of measuring pressure-leading channels, applied to the scene of 3 pressure transmitters;
FIG. 3 is a schematic diagram of the circuit connection of the purging control system of the present invention, the model of which is three-way measuring pressure-leading channel, applied to the scene of 1 differential pressure transmitter and 2 pressure transmitters connected in parallel;
FIG. 4 is a schematic view showing the scene connection of the purging control system of the three-way measuring pressure-inducing channel of the present invention applied to 1 differential pressure transmitter and 2 pressure transmitters connected in parallel;
FIG. 5 is a schematic diagram of the circuit connection of the purging control system with four-way pressure channel measurement applied to the scene of 1 differential pressure transmitter and 1 pressure transmitter;
fig. 6 is that the utility model discloses the model is that the model is four ways to measure and draws the purge control system who presses the passageway and be applied to 1 pressure transmitter scene connection schematic diagram of 1 differential pressure transmitter.
Reference numerals: a controller 1; a measuring solenoid valve 2; a purge solenoid valve 3; measuring a pressure leading channel 4; a purge channel 5; a transmitter 6; a port control switch 7; a purge control switch 8; a human-machine module 9; a touch display screen 91; a measurement control switch 10; a flow meter 13; an air duct 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiment discloses a universal purging control system, one model is suitable for multiple scenes, if the purging control system with two paths of measuring pressure leading channels is one model, the purging control system is suitable for multiple application scenes that only 1 pressure transmitter, 2 pressure transmitters and 3 pressure transmitters are used on site, wherein 2 pressure transmitters are connected in parallel, 4 pressure transmitters are connected in parallel, 2 pressure transmitters are connected in parallel, 1 differential pressure transmitter and 1-4 differential pressure transmitters connected in parallel; the purging control system with the three-way measurement pressure leading channel is of one type, and is suitable for a plurality of application scenes such as using 1-3 pressure transmitters, 4 pressure transmitters in field, 2 of the pressure transmitters are connected in parallel, 1 pressure difference transmitter, 1 pressure transmitter, a plurality of pressure difference transmitters, 1 pressure difference transmitter, 2 pressure transmitters connected in parallel and the like; if the purging control system with the four-way measurement pressure leading channel is of one type, the purging control system is suitable for multiple application scenes such as 1-4 pressure transmitters, 1-2 pressure transmitters, 1 differential pressure transmitter, multiple differential pressure transmitters and the like. The three types of purge control systems can cover dozens of original purge control systems.
Specifically, as shown in fig. 1, taking a purging control system with two measuring pressure-leading channels 4 as an example, the system includes a controller 1, a measuring solenoid valve 2 and a purging solenoid valve 3 controlled to be opened and closed by the controller 1, and multiple measuring pressure-leading channels 4, each measuring pressure-leading channel 4 is provided with a measuring solenoid valve 2, one end of the measuring solenoid valve 2 is connected to a transmitter 6 through the measuring pressure-leading channel 4, the other end of the measuring solenoid valve is connected to a flowmeter 13 through the measuring pressure-leading channel 4, each measuring pressure-leading channel 4 is communicated with a purging channel 5, and a purging solenoid valve 3 is arranged between each measuring pressure-leading channel 4 and the purging channel 5 communicated with the measuring pressure-leading channel 4, the controller 1 is provided with a plurality of data ports for connecting the transmitter 6, the transmitter 6 can be a pressure transmitter or a differential pressure transmitter, preferably, and four types of purging control systems in this embodiment are provided with four such data ports a1, a, A2, A3 and A4.
Further, a plurality of purge channels 5 are connected to the same purge tube 11, the purge tube 11 is used for connecting a compressed air pump 12 to supply purge gas to the purge channels 5, and the compressed air pump 12 is connected to the controller 1.
In particular, a port control switch 7 for enabling or closing different data ports and a purge control switch 8 for enabling or closing different purge solenoid valves 3 are connected to the controller 1. As shown in fig. 1 and fig. 2, when the model is applied to an application scenario using 1 pressure transmitter, the data port a1 is enabled through the port control switch 7, the data ports a2, A3 and a4 are closed, the purge control switch 8 is used to open the purge solenoid valve 3 on the left side in fig. 1, the purge solenoid valve 3 on the right side in fig. 1 is closed, and the controller 1 calls a corresponding program according to the opening and closing conditions of the data port and the purge solenoid valve. In other application scenarios of the model, the corresponding data port and the corresponding purging solenoid valve 3 are opened and closed according to requirements.
Further, the controller 1 is also connected with a measurement control switch 10 for controlling the measurement solenoid valve 2. Similarly, the corresponding measuring solenoid valve 2 may be turned on or off by the measuring control switch 10 according to a specific application scenario.
In addition, since the system is provided with four data ports, only one data port needs to be used in a scenario such as that in which one pressure transmitter is used, and the remaining three data ports can be used as spares, in the case where the a1 channel is damaged for some reason, the transmitter 6 can be directly connected to the a2 channel, and then the a2 data port is enabled through the port control switch 7.
Further, the port control switch 7, the purge control switch 8, and the measurement control switch 10 are all mechanical control switches or electronic control switches.
Preferably, the controller 1 is connected with a human-machine module 9, and the port control switch 7, the purging control switch 8 and the measuring control switch 10 are all installed on the human-machine module 9.
Specifically, the human-machine module 9 includes a touch display screen 91, and the port control switch 7, the purge control switch 8, and the measurement control switch 10 are all disposed on the touch display screen 91 in a manner of touch keys.
Preferably, the port control switch 7 comprises a plurality of first touch switch keys for respectively enabling or closing the corresponding ports; the purge control switch 8 includes a plurality of second touch switch keys for respectively turning on or off the corresponding purge solenoid valves 3; the measurement control switch 10 includes a plurality of third touch key switches for respectively turning on or off the corresponding measurement solenoid valves 2. The above is a distribution situation of the control switches, when the device is put into use, the control switches may be set in other forms, for example, in fig. 1, the measurement solenoid valve 2 on the left and the purge solenoid valve 3 on the left are both opened or closed together in general, and then one control switch may be directly used, specifically, in this embodiment, two touch key switches are directly used to respectively open and close the measurement solenoid valve 2 on the left, the purge solenoid valve 3, and the measurement solenoid valve 2 on the right and the purge solenoid valve 3. In addition, under certain conditions, the port control switch 7, the purge control switch 8, and the measurement control switch 10 may be set as one touch key switch, which is not specifically limited herein as long as the requirements of the present embodiment that a product of one model can be applied to multiple scenes are satisfied.
The purging control system with the model of three-way measurement pressure leading channel is similar to the purging control system with the model of two-way measurement pressure leading channel, as shown in fig. 3 and 4, when the model is applied to the scene that 1 differential pressure transmitter 2 is connected in parallel, the A1, A2 and A3 data ports in fig. 3 are opened through the port control switch 7, the A4 data port is closed, the A4 data port can be used as a spare, and when any data port from A1 to A3 is damaged, the A4 data port can be used instead. And simultaneously, all three purging electromagnetic valves 3 and the measuring electromagnetic valves 2 in the figure 3 are started by using corresponding control switches, and the controller 1 calls corresponding processes according to the data ports and the opening and closing conditions of the electromagnetic valves. In other application scenes of the type, the corresponding data port and the corresponding electromagnetic valve can be opened and closed according to needs.
Similarly, the purging control system with the model of four-way measurement pressure-leading channel is similar to the purging control systems with two-way and three-way measurement pressure-leading channels, as shown in fig. 5 and 6, when the model is applied to the scene of 1 pressure transmitter of 1 differential pressure transmitter, the data ports a1 and a2 in fig. 5 are opened through the port control switch, the data ports A3 and a4 are closed, the data ports A3 and a4 are used as standby, and when any data port a1-a1 is damaged, the data port A3-a4 can be used. And simultaneously, the three purging electromagnetic valves 3 and the measuring electromagnetic valves 2 on the left side in the figure 4 are started by using corresponding control switches, and the controller 1 calls corresponding processes according to the data ports and the opening and closing conditions of the electromagnetic valves. In other application scenes of the type, the corresponding data port and the corresponding electromagnetic valve can be opened and closed according to needs.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the controller 1 is used more herein; a measuring solenoid valve 2; a purge solenoid valve 3; measuring a pressure leading channel 4; a purge channel 5; a transmitter 6; a port control switch 7; a purge control switch 8; a human-machine module 9; a touch display screen 91; a measurement control switch 10; a flow meter 13; the air duct 14, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A universal type purging control system is characterized by comprising a controller (1), a measuring electromagnetic valve (2) and a purging electromagnetic valve (3) which are controlled by the controller (1) to open and close, and a plurality of measuring pressure leading channels (4), wherein each measuring pressure leading channel (4) is provided with at least one measuring electromagnetic valve (2), each measuring pressure leading channel (4) is communicated with a purging channel (5), at least one purging electromagnetic valve (3) is arranged between each pressure measuring and guiding channel (4) and the purging channel (5) communicated with the pressure measuring and guiding channel, the controller (1) is provided with a plurality of data ports for connecting the transmitters (6), the controller (1) is connected with a port control switch (7) for starting or closing different data ports and a purge control switch (8) for starting or closing different purge electromagnetic valves (3).
2. The universal purge control system according to claim 1, wherein the controller (1) is connected with a human machine module (9), and the port control switch (7) and the purge control switch (8) are both installed on the human machine module (9).
3. The universal purge control system according to claim 2, wherein the human machine module (9) comprises a touch display screen (91), and the port control switch (7) and the purge control switch (8) are both arranged on the touch display screen (91) in a touch key manner.
4. A universal purge control system according to claim 3, wherein the controller (1) is further connected with a measurement control switch (10) for controlling the measurement solenoid valve (2).
5. A universal purge control system according to claim 4, wherein the port control switch (7) comprises a plurality of first touch switch keys for respectively enabling or disabling the respective ports;
the purge control switch (8) comprises a plurality of second touch switch keys for respectively starting or closing the corresponding purge solenoid valves (3);
the measurement control switch (10) comprises a plurality of third touch key switches which are respectively used for starting or closing the corresponding measurement electromagnetic valves (2).
6. The universal purge control system according to claim 5, wherein the port control switch (7), the purge control switch (8) and the measurement control switch (10) are all mechanical control switches or electronic control switches.
7. A universal purge control system according to any of claims 1-6, wherein multiple purge channels (5) are connected to the same purge tube (11), the purge tube (11) being adapted to be connected to a compressed air pump (12) for feeding purge gas to the purge channels (5), the compressed air pump (12) being connected to the controller (1).
8. The universal purge control system according to claim 1, wherein the number of data ports is equal to or greater than the number of pilot pressure channels (4);
the transmitter (6) is a pressure transmitter or a differential pressure transmitter.
9. The universal purge control system according to claim 8, wherein the controller (1) has four data ports for connection to the transmitter (6).
10. The universal purge control system according to claim 9, having four measurement pilot pressure channels (4);
or the general purging control system is provided with three measuring pressure leading channels (4);
or the general purging control system is provided with two measuring pressure leading channels (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341163.6U CN214488191U (en) | 2020-12-31 | 2020-12-31 | Universal type purging control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341163.6U CN214488191U (en) | 2020-12-31 | 2020-12-31 | Universal type purging control system |
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| Publication Number | Publication Date |
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| CN214488191U true CN214488191U (en) | 2021-10-26 |
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| CN202023341163.6U Active CN214488191U (en) | 2020-12-31 | 2020-12-31 | Universal type purging control system |
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| CN (1) | CN214488191U (en) |
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- 2020-12-31 CN CN202023341163.6U patent/CN214488191U/en active Active
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