CN216925685U - Internet of things metering device for measuring medium-low speed discontinuous liquid flow - Google Patents
Internet of things metering device for measuring medium-low speed discontinuous liquid flow Download PDFInfo
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- CN216925685U CN216925685U CN202123294619.2U CN202123294619U CN216925685U CN 216925685 U CN216925685 U CN 216925685U CN 202123294619 U CN202123294619 U CN 202123294619U CN 216925685 U CN216925685 U CN 216925685U
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Abstract
The utility model discloses an Internet of things metering device for measuring medium-low speed discontinuous liquid flow, which comprises: the device comprises core measurement and control equipment and a main box body, wherein a water collecting pipe used for being connected with a measured liquid pipeline outwards and a drain pipe used for being externally connected with a measured liquid discharge pipeline are arranged on the main box body; at least two standard metering containers are arranged in the main box body, and the inlet of each standard metering container is connected with the water collecting pipe through the corresponding water collecting valve; the outlet of each standard metering container is connected with a drain pipe through a drain valve; the core measurement and control equipment comprises a control measurement and control unit, at least two liquid level sensors are arranged in each standard metering container, the liquid level sensors are connected with the control measurement and control unit, and the control measurement and control unit is connected to the Internet of things through a wired or wireless communication unit. The utility model can be used in the high-reliability metering field of medium-low speed discontinuous liquid flow.
Description
Technical Field
The utility model relates to the technical field of liquid flow measurement, in particular to an Internet of things metering device for measuring medium-low-speed discontinuous liquid flow.
Background
The online automatic measurement of liquid flow (volume or mass) is widely applied to various fields such as chemical industry, environmental protection, medicine, water supply and drainage, engineering monitoring and the like, and the principle of liquid flow measurement is also diversified.
However, in some special application scenarios, for example, in the case of very slow and discontinuous flow (sometimes, liquid flow rate, large flow rate, etc.), the measurement accuracy of the conventional liquid flow meter will be greatly reduced. Meanwhile, because the application scene is relatively severe, high requirements are provided for the stability of the flow measurement electronic measurement and control system.
SUMMERY OF THE UTILITY MODEL
The utility model provides an internet of things metering device for measuring medium and low-speed (flow velocity is less than 1 m/s) discontinuous liquid flow, which is used for solving the technical problems of extremely slow liquid flow velocity and poor flow precision and stability during discontinuous flow.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
an internet of things metering device for measuring medium-low-speed discontinuous liquid flow comprises: the device comprises core measurement and control equipment and a main box body, wherein the main box body is provided with a water collecting pipe which is used for being connected with a measured liquid pipeline outwards and a drain pipe which is used for being externally connected with a measured liquid discharge pipeline;
at least two standard metering containers (referred to as a container A and a container B in fig. 2 for short) are arranged in the main box body, and the inlet of each standard metering container is connected with the water collecting pipe through a corresponding water collecting valve; the outlet of each standard metering container is connected with a drain pipe through a drain valve;
the core measurement and control equipment comprises control measurement and control units, wherein at least two paths of liquid level sensors are uniformly arranged in each standard metering container, the liquid level sensors are connected with the control measurement and control units, and the control measurement and control units are connected into the Internet of things through wired or wireless communication units.
Preferably, the control measurement and control unit is connected with the liquid level sensor through a sensor detection circuit.
Preferably, the metering device of the internet of things further comprises at least three temperature sensors, one of the temperature sensors is arranged on the main box body, the other two temperature sensors are respectively arranged in the two standard metering containers, and the at least three temperature sensors are respectively connected with the control measurement and control unit.
Preferably, the water collecting valve and the drain valve are both electromagnetic valves, and the control ends of all the electromagnetic valves are connected with the control measurement and control unit through an electromagnetic valve control circuit and an electromagnetic valve driving unit;
the electromagnetic valve driving unit is also connected with the electromagnetic valve driving state detection unit; the electromagnetic valve driving unit is connected with the control measurement and control unit.
Preferably, the metering device of the internet of things further comprises an R485 driving module and an ethernet driving module; the R485 driving module and the Ethernet driving module are connected with the control measurement and control unit;
the R485 drive module and the Ethernet drive module are respectively communicated with external equipment through an R485 interface and an Ethernet interface which are arranged on the main box body.
Preferably, the metering device of the internet of things further comprises a power supply control module, and the power supply control module is used for supplying power to each component after converting an external power supply.
Preferably, the power control module is further connected with a power reset key arranged on the main box body.
Preferably, a measurement and control electrical bin is arranged in the main box body, and the control measurement and control unit is placed in the measurement and control electrical bin; the main box body comprises a top cover, at least three vent holes are formed in the top cover, and the at least three vent holes are respectively formed in the two standard metering containers and above the measuring and controlling electric bin.
Preferably, the main box body is also provided with a movable handle; the four corners of the bottom of the main box body are respectively provided with an adjustable supporting column.
The utility model has the following beneficial effects:
the Internet of things metering device for measuring the flow of the medium-low-speed discontinuous liquid adopts redundant measurement based on liquid level measurement and double standard metering containers. The high reliability and long-term stability of the field application of the device are realized by adopting a double-container complementary structure, an electric circuit, a control structure and a sensor double backup redundancy design. The utility model can be used in the field of high-reliability metering of medium-low-speed discontinuous liquid flow. The utility model has the outstanding advantages of on-line in-situ measurement, high reliability, networking real-time monitoring, simple and convenient installation, redundant backup and the like.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a main box of an internet of things metering device for measuring medium-low-speed discontinuous liquid flow according to a preferred embodiment of the utility model;
fig. 2 is a schematic circuit diagram of an internet of things metering device for measuring medium-low-speed discontinuous liquid flow according to a preferred embodiment of the utility model.
The reference numerals in the figures denote:
1. a top cover; 2. moving the handle; 3. a measurement and control electrical interface; 4. a drain pipe; 5. fastening a bolt; 6. a vent hole; 7. a water collection pipe; 8. a main box body; 9. an adjustable support column.
Detailed Description
The embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 and 2, the internet of things metering device for measuring the medium-low-speed discontinuous liquid flow, provided by the utility model, comprises: the device comprises core measurement and control equipment and a main box body 8, wherein a water collecting pipe 7 used for being connected with a measured liquid pipeline outwards and a drain pipe 4 used for being connected with a measured liquid discharge pipeline externally are arranged on the main box body 8. At least two standard metering containers are arranged in the main box body 8, and the inlet of each standard metering container is connected with the water collecting pipe 7 through the corresponding water collecting valve; the outlet of each standard metering container is connected with a drain pipe 4 through a drain valve; the core measurement and control equipment comprises control measurement and control units, wherein at least two paths of liquid level sensors are uniformly arranged in each standard metering container, the liquid level sensors are connected with the control measurement and control units, and the control measurement and control units are connected into the Internet of things through wired or wireless communication units.
The structure adopts a double-container complementary structure, an electric circuit, a control structure and a sensor double-backup redundancy design, and realizes high reliability and long-term stability of field application of the device.
In this embodiment, the main tank body 8 is composed of a body and two internal standard measuring containers, a measurement and control electrical bin, a water collecting pipe 7, a water collecting pipe three-way pipeline (for connecting the water collecting pipe and the two standard measuring containers), a water discharging pipe 4, a water discharging pipe three-way pipeline (for connecting the water discharging pipe and the two standard measuring containers), core measurement and control equipment, a four-way electromagnetic valve (two water discharging valves and two water collecting valves), a four-way liquid level sensor (each standard measuring container corresponds to two liquid level sensors), and the like.
In this embodiment, the core measurement and control equipment is placed in the measurement and control electrical warehouse. The core measurement and control equipment is shown in figure 2. The CORE measurement and control equipment comprises a CORE-MODULE (control measurement and control unit), a sensor detection circuit, four liquid level sensors (which are respectively arranged in two standard metering containers), three digital temperature sensors (1 local, 2 standard metering containers), an RS232 communication interface MODULE, an RS485 driving and interface MODULE, an Ethernet driving and interface MODULE, an electromagnetic valve control circuit, an electromagnetic valve driving unit, an electromagnetic valve driving state detection unit, two water collecting electromagnetic valves, two drainage electromagnetic valves, a single alternating current filter circuit MODULE, an AC-DC power supply conversion MODULE, a power supply control MODULE, a DC-DC conversion MODULE, a 5V voltage monitoring MODULE and the like.
Wherein, the control measurement and control unit is connected with the liquid level sensor through a sensor detection circuit. And one path of the three-path temperature sensor is arranged on the main box body 8, the other path of the three-path temperature sensor is respectively arranged in the two standard metering containers, and the three-path temperature sensor is respectively connected with the control measurement and control unit. The water collecting valve and the drain valve are both electromagnetic valves, and the control ends of all the electromagnetic valves are connected with the control measurement and control unit through an electromagnetic valve control circuit and an electromagnetic valve driving unit; the electromagnetic valve driving unit is also connected with the electromagnetic valve driving state detection unit; the electromagnetic valve driving unit is connected with the control measurement and control unit.
The RS232 communication interface module, the 485 driver module and the Ethernet driver module are respectively communicated with external equipment through an RS232 interface, an R485 interface and an Ethernet interface which are arranged on the main box body 8. The RS232 communication interface, the RS485 interface, and the ethernet interface are disposed in the area of the measurement and control electrical interface 3 on the box body in this embodiment.
In this embodiment, the power control module is configured to convert an external power source and supply power to each component. Namely, 220V alternating current input is converted into 5V direct current through a single-phase alternating current filter circuit, an AC-DC power conversion module and a power control module and then is supplied to each component. The DC-DC conversion module is also connected with the 5V voltage monitoring module to monitor the output voltage. In this embodiment, the power control module is further connected to a power reset button disposed on the main box 8.
In this embodiment, the main box body 8 includes top cap 1, and top cap 1 comprises body, ten fastening bolt 5, three air vent 6 (three air vent 6 is seted up respectively in the top of two standard measurement containers and survey and control electric storehouse), and the dismouting that realizes the device with main box body 8 through kneck joint strip and fastening bolt. The main box body 8 is also provided with moving handles 2, and the symmetrical surfaces are respectively used for manual moving devices. The four corners of the bottom of the main box body 8 are respectively provided with an adjustable supporting column 9 for adjusting the whole level of the device.
In summary, the present invention employs redundant measurements based on level measurements and dual standard metering vessels. The high reliability and long-term stability of the field application of the device are realized by adopting a double-container complementary structure, an electric circuit, a control structure and a sensor double backup redundancy design. The utility model can be used in the field of high-reliability metering of medium-low-speed discontinuous liquid flow. The utility model has the outstanding advantages of on-line in-situ measurement, high reliability, networking real-time monitoring, simple and convenient installation, redundant backup and the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a thing networking metering device for measuring well low-speed discontinuous liquid flow which characterized in that includes: the device comprises core measurement and control equipment and a main box body (8), wherein a water collecting pipe (7) used for being connected with a measured liquid pipeline outwards and a drain pipe (4) used for being externally connected with a measured liquid discharge pipeline are arranged on the main box body (8);
at least two standard metering containers are arranged in the main box body (8), and the inlet of each standard metering container is connected with the water collecting pipe (7) through a corresponding water collecting valve; the outlet of each standard metering container is connected with the drain pipe (4) through a drain valve;
the core measurement and control equipment comprises control measurement and control units, wherein at least two paths of liquid level sensors are uniformly arranged in each standard metering container, the liquid level sensors are connected with the control measurement and control units, and the control measurement and control units are connected into the Internet of things through wired or wireless communication units.
2. The Internet of things metering device for measuring the medium-low-speed discontinuous liquid flow according to claim 1, characterized in that the control measurement and control unit is connected with the liquid level sensor through a sensor detection circuit.
3. The Internet of things metering device for measuring the flow of the medium-low-speed discontinuous liquid according to claim 1, further comprising at least three temperature sensors, wherein one temperature sensor is arranged on the main box body (8), two temperature sensors are respectively arranged in the two standard metering containers, and the at least three temperature sensors are respectively connected with the control measurement and control unit.
4. The Internet of things metering device for measuring the medium-low-speed discontinuous liquid flow according to claim 1, wherein the water collecting valve and the water discharging valve are both solenoid valves, and the control ends of all the solenoid valves are connected with the control measurement and control unit through a solenoid valve control circuit and a solenoid valve driving unit;
the electromagnetic valve driving unit is also connected with the electromagnetic valve driving state detection unit; the electromagnetic valve driving unit is connected with the control measurement and control unit.
5. The internet of things metering device for measuring the medium-low speed discontinuous liquid flow according to claim 1, further comprising an R485 driving module and an ethernet driving module; the R485 driving module and the Ethernet driving module are connected with the control measurement and control unit;
the R485 drive module and the Ethernet drive module are respectively communicated with external equipment through an R485 interface and an Ethernet interface which are arranged on the main box body (8).
6. The internet of things metering device for measuring the medium-low-speed discontinuous liquid flow according to claim 1, further comprising a power supply control module, wherein the power supply control module is used for supplying power to each component after converting an external power supply.
7. The Internet of things metering device for measuring the medium-low-speed discontinuous liquid flow according to claim 6, wherein the power control module is further connected with a power reset key arranged on the main box body (8).
8. The metering device of the internet of things for measuring the medium-low-speed discontinuous liquid flow according to any one of claims 1 to 7, wherein a measurement and control electrical bin is arranged in the main box body (8), and the core measurement and control equipment is placed in the measurement and control electrical bin; the main box body (8) comprises a top cover (1), at least three vent holes (6) are formed in the top cover (1), and the at least three vent holes (6) are respectively formed in the two standard metering containers and above the measurement and control electric bin.
9. The metering device of the internet of things for measuring the medium-low-speed discontinuous liquid flow according to any one of claims 1 to 7, wherein a movable handle (2) is further arranged on the main box body (8); and four corners of the bottom of the main box body (8) are respectively provided with an adjustable supporting column (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123294619.2U CN216925685U (en) | 2021-12-26 | 2021-12-26 | Internet of things metering device for measuring medium-low speed discontinuous liquid flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123294619.2U CN216925685U (en) | 2021-12-26 | 2021-12-26 | Internet of things metering device for measuring medium-low speed discontinuous liquid flow |
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| Publication Number | Publication Date |
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| CN216925685U true CN216925685U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123294619.2U Active CN216925685U (en) | 2021-12-26 | 2021-12-26 | Internet of things metering device for measuring medium-low speed discontinuous liquid flow |
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| CN (1) | CN216925685U (en) |
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2021
- 2021-12-26 CN CN202123294619.2U patent/CN216925685U/en active Active
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