CN218825330U - Automatic measurement and control system applied to vacuum pressure and flow velocity of cold filter plugging point measurement - Google Patents
Automatic measurement and control system applied to vacuum pressure and flow velocity of cold filter plugging point measurement Download PDFInfo
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- CN218825330U CN218825330U CN202223240182.9U CN202223240182U CN218825330U CN 218825330 U CN218825330 U CN 218825330U CN 202223240182 U CN202223240182 U CN 202223240182U CN 218825330 U CN218825330 U CN 218825330U
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Abstract
The utility model discloses a be applied to automatic measurement and control system of vacuum pressure and velocity of flow of cold filter plugging point survey, include: the air source can provide stable vacuum pressure and flow rate; the air outlet of the control valve is connected with an air source through a hose and used for accurately measuring and controlling the required vacuum pressure; the air outlet of the flow valve is connected with the air inlet of the control valve through a hose, the air inlet of the flow valve is connected with an instrument pipeline, and the flow valve accurately measures and controls the required vacuum flow rate; and the controller is in signal interaction with the control valve and the flow valve. At the beginning of an experiment, an air source provides stable vacuum pressure and flow rate, signals are generated to a control valve and the flow valve to control the vacuum pressure and the flow rate by setting required parameters for a controller, and signals are fed back to the controller to display the real-time vacuum pressure and the flow rate, so that the purpose of monitoring can be achieved. The utility model discloses an degree of automation is higher, and experimental stability is higher.
Description
Technical Field
The utility model relates to a diesel oil and civilian heating oil cold filter plugging point survey technical field, concretely relates to be applied to the automatic measurement and control system of the vacuum pressure and the velocity of flow of cold filter plugging point survey.
Background
The cold filter plugging point is the lowest temperature for evaluating the normal flow of the fuel in fuel systems such as diesel oil and the like, is an important index for measuring the low-temperature performance of the light diesel oil, can reflect the lowest practical service performance of the diesel oil, and is closest to the practical lowest service temperature of the diesel oil. Therefore, the diesel oil cold filter plugging point index is very important and is one of the essential diesel oil inspection items
At present, domestic related measuring instruments are mostly semi-automatic or manual, wherein the part of a measurement and control system of vacuum pressure and flow rate is almost manual, a glass cylinder and a glass flowmeter are used for controlling the vacuum pressure and the flow rate, the volume is large, the occupied space is large, the recalibration is needed at the beginning of each experiment, and the glass product is also easy to crack and has potential safety hazards.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the utility model aims to provide an automatic measurement and control system for vacuum pressure and velocity of flow of cold filter plugging point survey is applied to.
In order to achieve the above object, the present invention provides an automatic measurement and control system for measuring vacuum pressure and flow velocity applied to cold filter plugging point measurement, comprising:
a gas source capable of providing a stable vacuum pressure and flow rate;
the air outlet of the control valve is connected with an air source through a hose and used for accurately measuring and controlling the required vacuum pressure;
the air outlet of the flow valve is connected with the air inlet of the control valve through a hose, the air inlet of the flow valve is connected with an instrument pipeline, and the flow valve accurately measures and controls the required vacuum flow rate;
and the controller is in communication connection with the control valve and the flow valve and performs signal interaction.
In a preferred embodiment of the present invention, the control valve is capable of measuring and controlling the vacuum pressure individually and displaying data; or the controller is used for measuring and controlling the vacuum pressure and displaying data.
In a preferred embodiment of the present invention, the flow valve is capable of measuring and controlling the vacuum flow rate individually and displaying data; or measuring and controlling the vacuum flow rate through the controller and displaying data.
In a preferred embodiment of the present invention, the control valve, the flow valve and the controller use signal lines for signal interaction.
In a preferred embodiment of the present invention, the air source, the control valve, and the flow valve use the same power switch to supply power to them.
In a preferred embodiment of the present invention, the controller is connected to a computer for remote monitoring.
In a preferred embodiment of the present invention, the gas source, the control valve, the flow valve and the controller are simultaneously built into the instrument.
The beneficial effects of the utility model reside in that:
first, the experiment process has realized full automation, has reduced artifical consuming time and artifical error, has improved the accuracy of experiment greatly.
Secondly, each part is small and exquisite, can place the instrument in, reduced area, cancelled the glassware moreover, reduced the vulnerable part consumption, improved the security.
Drawings
Fig. 1 is a schematic diagram of the system framework of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Further, in the following structures, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and for simplification of description. And are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation and are not to be considered as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The automatic measurement and control system for vacuum pressure and flow rate applied to cold filter plugging point measurement as shown in fig. 1 comprises an air source 1, which can provide stable vacuum pressure and flow rate; the control valve 2 can accurately measure and control the required vacuum pressure, can measure and control the vacuum pressure independently, can display data, and can also measure and control the vacuum pressure through the controller 4 and display the data; the flow valve 3 can accurately measure and control the required vacuum flow rate, can independently measure and control the vacuum flow rate, can display data, and can also measure and control the vacuum flow rate through the controller 4 and display the data; the controller 4 can be in signal interaction with the control valve 2 and the flow valve 3, can be connected with a computer and can be remotely monitored.
The air source 1, the control valve 2, the flow valve 3 and the instrument air circuit are connected by a hose 5. The control valve 2, the flow valve 3 and the controller 4 are in signal interaction by using signal lines 6. The gas source 1, the control valve 2 and the flow valve 3 can be powered by the same power switch.
The gas source 1, the control valve 2, the flow valve 3 and the controller 4 can be simultaneously built in the instrument, so that the occupied area is reduced.
The automatic measurement and control system is connected to an instrument gas circuit at the beginning of an experiment, the gas source 1 provides stable vacuum pressure and flow rate, signals are generated to the control valve 2 and the flow valve 3 to control the vacuum pressure and the flow rate by setting required parameters for the controller 4, signals are fed back to the controller 4 to display the real-time vacuum pressure and the real-time flow rate, and the purpose of monitoring can be achieved. The utility model discloses an degree of automation is higher, and experimental stability is higher.
Claims (7)
1. The utility model provides an be applied to automatic measurement and control system of vacuum pressure and velocity of flow of cold filter plugging point survey which characterized in that includes:
a gas source capable of providing a stable vacuum pressure and flow rate;
the air outlet of the control valve is connected with an air source through a hose and used for accurately measuring and controlling the required vacuum pressure;
the air outlet of the flow valve is connected with the air inlet of the control valve through a hose, the air inlet of the flow valve is connected with an instrument pipeline, and the flow valve accurately measures and controls the required vacuum flow rate;
and the controller is in communication connection with the control valve and the flow valve to perform signal interaction.
2. The automatic measuring and controlling system for the vacuum pressure and the flow rate of the cold filter plugging point measurement as claimed in claim 1, wherein the control valve can measure and control the vacuum pressure independently and can display data; or the controller is used for measuring and controlling the vacuum pressure and displaying data.
3. The automatic measurement and control system for vacuum pressure and flow rate of cold filter plugging point measurement as claimed in claim 1, wherein said flow valve is capable of measuring and controlling vacuum flow rate individually and displaying data; or the controller is used for measuring and controlling the vacuum flow rate and displaying data.
4. The system as claimed in claim 1, wherein the control valve, the flow valve and the controller are in signal communication via signal lines.
5. The system as claimed in claim 1, wherein the air source, the control valve and the flow valve are powered by the same power switch.
6. The system as claimed in claim 1, wherein the controller is connected to a computer for remote monitoring.
7. The system as claimed in claim 1, wherein the air source, the control valve, the flow valve and the controller are built in the apparatus at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223240182.9U CN218825330U (en) | 2022-12-02 | 2022-12-02 | Automatic measurement and control system applied to vacuum pressure and flow velocity of cold filter plugging point measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223240182.9U CN218825330U (en) | 2022-12-02 | 2022-12-02 | Automatic measurement and control system applied to vacuum pressure and flow velocity of cold filter plugging point measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218825330U true CN218825330U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223240182.9U Active CN218825330U (en) | 2022-12-02 | 2022-12-02 | Automatic measurement and control system applied to vacuum pressure and flow velocity of cold filter plugging point measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218825330U (en) |
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2022
- 2022-12-02 CN CN202223240182.9U patent/CN218825330U/en active Active
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