CN211477540U - Measurement system for monitoring vacuum pipeline pressure leakage - Google Patents
Measurement system for monitoring vacuum pipeline pressure leakage Download PDFInfo
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- CN211477540U CN211477540U CN201921282331.3U CN201921282331U CN211477540U CN 211477540 U CN211477540 U CN 211477540U CN 201921282331 U CN201921282331 U CN 201921282331U CN 211477540 U CN211477540 U CN 211477540U
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Abstract
The utility model discloses a measurement system of monitoring vacuum line pressure leakage, the system includes: the device comprises a vacuum pump, a mold main pipeline, a ball valve, a swing mechanism, an electromagnetic valve, a pressure sensor, a PLC module and a touch screen. The ball valve is installed between the main mold pipeline and the vacuum pump, the electromagnetic valve is connected with the PLC, the ball valve is made to cut off the connection between the vacuum pump and the main mold pipeline through the swing mechanism under the control of the PLC, and the PLC receives a control instruction sent by the touch screen to control the electromagnetic valve. Pressure sensor sets up on the mould main line and is connected to the PLC module to continuously measure the pressure in the mould main line when being connected between mould main line and the vacuum pump and give the PLC module with measured pressure, be convenient for the PLC module with measured pressure transmission for the touch-sensitive screen and report to the police. According to the technical scheme of the utility model, through cutting off the main line and lasting the pressurize for a period to it reports to the police and reminds to be higher than the setting value at the difference between pressure and initial value, has improved the qualification rate of product.
Description
Technical Field
The utility model relates to a mould pipeline control field especially relates to a measurement system of monitoring vacuum pipeline pressure leakage.
Background
With the development of science and technology, the application of the composite material is more and more emphasized by people, and the development of the composite material in the fields of aviation, shipbuilding, automobiles, chemical engineering, electrical appliances and the like makes the mold market in the world short of supply and demand. For the mold manufacturing industry, a technological method exists for more than one thousand years, a wind power blade mold is a newly developed emerging technology, and in the blade mold industry, in the mold using process, as no detection tool aiming at the pressure leakage of the blade mold exists in the market, along with the inevitable occurrence of the bag film damage condition in the blade filling process, when the pressure leaks, the quality problem of a manufactured product occurs, even the manufactured product is scrapped. It is important to detect the mold vacuum line pressure.
SUMMERY OF THE UTILITY MODEL
In order to compensate for the deficiencies of the prior art, the utility model discloses a measurement system of monitoring vacuum pipeline pressure leakage.
According to the utility model discloses an aspect provides a measurement system of monitoring vacuum pipeline pressure leakage, a serial communication port, the measurement system of monitoring vacuum pipeline pressure leakage includes: the vacuum pump, the mould main line, the ball valve, rotation mechanism, the solenoid valve, pressure sensor, PLC, the PLC module, the touch-sensitive screen, wherein, install the ball valve between mould main line and the vacuum pump, the solenoid valve is connected with PLC and makes the connection that the vacuum pump and mould main line were cut off to the ball valve through rotation mechanism under PLC's control, PLC is connected to the control command that the touch-sensitive screen sent in order to control the solenoid valve, pressure sensor sets up and is connected to the PLC module on the mould main line, with the pressure in the continuous measurement mould main line when being connected between mould main line and vacuum pump cuts off, and send the measured pressure to the PLC module, be convenient for the PLC module with measured pressure transmission for the touch-sensitive screen and report to the police.
According to the utility model discloses an embodiment, the measurement system of monitoring vacuum line pressure leakage still includes: a branch line, wherein the main mold line is connected to a mold vacuum nozzle provided at an edge of the main mold body through the branch line.
According to an embodiment of the utility model, the vacuum pump work makes the pressure value in mould main line, lateral line and the vacuum bag membrane reach-0.8 mbar.
According to the utility model discloses an embodiment, pressure sensor sends measured pressure to PLC module through two signal shield lines that twist.
According to the utility model discloses an embodiment, the PLC module passes through the ethernet with measured pressure and transmits for the touch-sensitive screen, shows the difference between measured pressure and initial value on the touch-sensitive screen.
According to an embodiment of the invention, the measurement range of the pressure sensor is, for example, 0 to-1 mbar.
According to the utility model discloses an embodiment, the system still includes power module, wherein, power module is PLC, PLC module, solenoid valve, pressure sensor, touch-sensitive screen power supply.
As described above, the utility model discloses following beneficial effect has:
the device has simple structure and simple and convenient operation, and can monitor the vacuum pressure value of the mold in real time; setting pressure maintaining parameters; and the alarm reminding is carried out when the difference between the pressure and the initial value quality inspection exceeds a set value, so that the generation of unqualified products caused by pressure leakage is prevented, and the qualification rate of the products is greatly improved.
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 a structural diagram of a measurement system for monitoring pressure leakage of a vacuum pipeline according to an embodiment of the present invention.
Description of the element reference numerals
The device comprises a vacuum pump 1, a main mould pipeline 2, a ball valve 3, a swing mechanism 4, an electromagnetic valve 5, a pressure sensor 6, a PLC7, a PLC module 8, a branch pipeline 9, a touch screen 10 and a power supply 11.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the present invention discloses a measuring system for monitoring vacuum pipeline pressure leakage, which comprises: the device comprises a vacuum pump 1, a mould main pipeline 2, a ball valve 3, a swing mechanism 4, an electromagnetic valve 5, a pressure sensor 6, a PLC7, a PLC module 8 and a touch screen 10. As an example, the system may further comprise a branch line 9 and a power supply 11.
Referring to fig. 1, a ball valve 3 is installed between a main mold pipe 2 and a vacuum pump 1, and an electromagnetic valve 5 is connected to a PLC7, and the ball valve 3 cuts off the connection between the vacuum pump 1 and the main mold pipe 2 or connects the vacuum pump 1 and the main mold pipe 2 through a swing mechanism 4 under the control of the PLC 7. The PLC7 is also connected to the touch screen 10 to receive control commands from the touch screen 10. As an example, when a user operates the touch screen 10 to give a control command for cutting off the pipeline to the PLC7, the PLC7 controls the electromagnetic valve 5 to cause the ball valve 3 to cut off the connection between the vacuum pump 1 and the mold main pipeline 2 through the swing mechanism 4, and the mold main pipeline 2 is in a pressure maintaining state.
Referring to fig. 1, the pressure sensor 6 is disposed on the mold main pipe 2 and connected to the PLC module 8, so as to continuously measure the pressure in the mold main pipe 2 when the mold main pipe is in the pressure maintaining state, i.e., when the connection between the mold main pipe and the vacuum pump is cut off, and transmit the measured pressure value, for example, as a current signal of 4-20ma, to the PLC module 8 through the twisted-pair signal shielding line. The PLC module 8 transmits the measured pressure to the touch screen 10, for example via ethernet. An overrun alarm value is set at the touch screen 10, pressure is maintained for a period of time, the difference between the pressure and the initial value is measured, and an alarm is given if the overrun alarm value is exceeded. The measuring range of the pressure sensor 6 is here, for example, 0 to-1 mbar. As an example, the difference between the measured pressure and the initial value is displayed in a curve on the touch screen, while the touch screen can set the time for which the measurement is continued.
Referring to fig. 1, as an example, when the PLC7 receives a control command of the connection line from the touch screen 10, the PLC7 controls the solenoid valve 5 to connect the vacuum pump 1 and the mold main line 2 by controlling the ball valve 3 through the swing mechanism 4.
Referring to fig. 1, as an example, a main mold line 2 is connected to a mold vacuum nozzle (not shown) through a branch line 9. As an example, the mould vacuum nozzle is arranged at the edge of the mould body, the vacuum nozzle and the vacuum bag forming a closed space, in between for example a blade product to be manufactured; the vacuum nozzle is connected with the main mould pipeline 2 through a branch pipeline 9; the vacuum pump 1 is operated such that the pressure values in the main mould line 2, the branch lines 9 and the vacuum bag membrane reach-0.8 mbar.
Referring to fig. 1, as an example, the measurement system for monitoring the pressure leakage of the vacuum pipeline further includes a power supply 11, wherein the power supply 11 supplies power to the PLC7, the PLC module 8, the electromagnetic valve 5, the pressure sensor 6, and the touch screen 10.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A measurement system for monitoring vacuum line pressure leakage is characterized in that the measurement system for monitoring vacuum line pressure leakage comprises: a vacuum pump, a main mould pipeline, a ball valve, a swing mechanism, an electromagnetic valve, a pressure sensor, a PLC module and a touch screen,
wherein, install the ball valve between mould main line and the vacuum pump, the solenoid valve is connected with PLC and makes the ball valve cut off the connection of vacuum pump and mould main line through rotation mechanism under PLC's control, PLC is connected to the touch-sensitive screen and controls the solenoid valve in order to receive the control command that the touch-sensitive screen sent, pressure sensor sets up on the mould main line and is connected to the PLC module, with the pressure in the continuous measurement mould main line when being connected between mould main line and the vacuum pump cuts off, and give the PLC module with measured pressure transfer, be convenient for the PLC module with measured pressure transmission for the touch-sensitive screen and report to the police.
2. The measurement system for monitoring vacuum line leak-down according to claim 1, wherein: the measurement system for monitoring vacuum line leaks pressure still includes: a branch line, wherein the main mold line is connected to a mold vacuum nozzle provided at an edge of the main mold body through the branch line.
3. The measurement system for monitoring vacuum line leak-down according to claim 2, wherein: the vacuum pump works so that the pressure values in the main pipeline, the branch pipeline and the vacuum bag film of the mould reach-0.8 mbar.
4. The measurement system for monitoring vacuum line leak-down according to claim 1, wherein: the pressure sensor transmits the measured pressure to the PLC module through the twisted pair signal shielded wire.
5. The measurement system for monitoring vacuum line pressure leak according to claim 4, wherein: the PLC module transmits the measured pressure to the touch screen through the Ethernet, and the measured pressure and the difference between the measured pressure and the initial value are displayed on the touch screen.
6. The measurement system for monitoring vacuum line leak-down according to claim 1, wherein: the pressure sensor measures from 0 to-1 mbar.
7. The measurement system for monitoring vacuum line leak-down according to claim 1, wherein: the system further comprises a power supply module, wherein the power supply module supplies power to the PLC, the PLC module, the electromagnetic valve, the pressure sensor and the touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282331.3U CN211477540U (en) | 2019-08-08 | 2019-08-08 | Measurement system for monitoring vacuum pipeline pressure leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282331.3U CN211477540U (en) | 2019-08-08 | 2019-08-08 | Measurement system for monitoring vacuum pipeline pressure leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211477540U true CN211477540U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921282331.3U Active CN211477540U (en) | 2019-08-08 | 2019-08-08 | Measurement system for monitoring vacuum pipeline pressure leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211477540U (en) |
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2019
- 2019-08-08 CN CN201921282331.3U patent/CN211477540U/en active Active
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