CN215598470U - Portable pipeline flow detector for hydropower station - Google Patents
Portable pipeline flow detector for hydropower station Download PDFInfo
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- CN215598470U CN215598470U CN202121174982.8U CN202121174982U CN215598470U CN 215598470 U CN215598470 U CN 215598470U CN 202121174982 U CN202121174982 U CN 202121174982U CN 215598470 U CN215598470 U CN 215598470U
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Abstract
The utility model provides a portable pipeline flow detector for power station, adopt flange in with flow tube access pipeline, medium in the pipeline flows in the flow tube, the differential pressure that high-pressure chamber and low-pressure chamber constitute, the flow or the volume of accurate calculation medium, transmit measuring information for central processing unit through differential pressure transmitter, central processing unit shows flow information on the display screen, signal transceiver sends for the supervisory station, the accurate temperature of measuring medium of infrared temperature sensor, and convey information to central processing unit, central processing unit contrasts and calculates whether the detection flow is normal, detect pipeline flow anomaly and send for the supervisory station through signal transceiver, make maintainer arrive accurate maintenance place as early as possible, effectively guarantee the normal work of system.
Description
Technical Field
The utility model belongs to the technical field of flow detection, and relates to a portable pipeline flow detector for a hydropower station.
Background
The flow meter is used for measuring the flow of fluid in the pipeline, and the hydropower station often adopts the flow meter to monitor the oil and water flow of the pipeline, so as to provide monitoring data for a control system of the hydropower station, so that a controlled object can be further and normally controlled, and the safe and stable operation of equipment can be ensured. The current flow meter commonly used in the hydropower station is an electromagnetic flow meter, but has the following problems:
(1) the existing flow meter only has the functions of measurement and alarm, has strong functional limitation, and does not have the functions of automatic control and remote monitoring.
(2) For flow control, the flowmeter is generally installed in series with a pipeline, only the flow of the installation section of the flowmeter can be measured, and higher technical requirements are provided for the installation mode and the position of the flowmeter, otherwise, the measurement precision is inaccurate, and the actual monitoring requirements on the site cannot be met. When equipment needs to be overhauled or maintained, pipelines need to be cut off, and are inconvenient to carry.
When the flowmeter is electrically controlled, a cable needs to be laid to send signals up; an operator performs manual or remote control according to data provided by the flow meter, and flow control inaccuracy and hysteresis exist. Meanwhile, the flow meter in the market measures only singly and only measures the flow velocity, and the requirement of intelligent construction cannot be met.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a portable pipeline flow detector for a hydropower station, which has a simple structure, wherein a connecting flange is adopted to connect a flow pipe into the pipeline, medium in the pipeline flows into the flow pipe, differential pressure formed by a high-pressure chamber and a low-pressure chamber is used for accurately calculating the flow or the volume of the medium, measurement information is transmitted to a central processing unit through a differential pressure transmitter, the central processing unit displays the flow information on a display screen, a signal transceiver is transmitted to a monitoring station, an infrared temperature sensor accurately measures the temperature of the medium and transmits the information to the central processing unit, the central processing unit contrasts and calculates whether the detected flow is normal or not, the detected flow of the pipeline is abnormal, and the detected flow is transmitted to the monitoring station through the signal transceiver, so that an overhaul worker can arrive at an accurate overhaul site as soon as possible, and the normal work of a system is effectively ensured.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a portable pipeline flow detector for a hydropower station comprises a flow tube, a connecting flange, a sealing box and a display; the flow tube is characterized in that connecting flanges are fixedly arranged on the left end port and the right end port of the flow tube, the outer end port of each connecting flange is a flow port, two cross porous differential pressure generating tubes are arranged in the flow tube, a partition plate is arranged in the middle of each differential pressure generating tube, the partition plate separates the inner cavity of the flow tube into a front pipeline and a back pipeline, a sealing box is fixedly arranged at the top end of the outer side of the tube body of the flow tube, a central processing unit is fixedly embedded in the display, and the information acquisition module is connected with the central processing unit through a wire.
And a flow regulating valve is also arranged in the flow tube, and the normal state of the flow regulating valve is in a full-open state.
The advantages are that:
the structure is reasonable in design, the shell is firm and durable, the device can be suitable for measurement of various environments and media, and the device is convenient to store and carry;
the differential pressure formed by the high-pressure chamber and the low-pressure chamber can accurately calculate the flow or volume of the medium, the flow information is displayed on a display screen by a display, the viewing is convenient, and the information can be sent to a monitoring platform by the central processing unit and the signal transceiver, so that the remote viewing and control are convenient;
the temperature of the medium is accurately measured through the infrared temperature sensor, and information is displayed on the display screen, so that the user can conveniently watch the information;
whether normal can also compare calculation detection flow through central processing unit, when detecting pipeline flow anomaly, the flow alarm lamp twinkles, the warning of whistling to send for the prison board through signal transceiver, can make the maintainer arrive accurate maintenance place as early as possible, effectively guarantee the normal work of system.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Figure 2 is a schematic cross-sectional view of a pipe of the present invention.
FIG. 3 is a schematic structural diagram of a display according to the present invention.
Fig. 4 is a block diagram of the working principle of the present invention.
In the figure: 1-a flow tube; 2-a connecting flange; 3-sealing the box; 4-a display; 5-an information acquisition module; 6-differential pressure transmitter; 7-a temperature sensor; 8-a signal processor; 9-a storage battery; 10-porous differential pressure generating tube; 11-a through hole; 12-a flow regulating valve; 13-a removable cover; 14-a flow port; 15-a display screen; 16-a central processing unit; 17-a memory; 18-a signal transceiver; 19-electric warning light; 20-a flow alarm lamp; 21-on/off key.
Detailed Description
As shown in fig. 1 to 4, a portable pipeline flow detector for a hydropower station comprises a flow tube 1, a connecting flange 2, a sealing box 3 and a display 4, wherein the flow tube 1 is of a horizontal hollow cylindrical structure, the left end and the right end of the flow tube 1 are both open ports, and the connecting flange 2 is fixedly arranged on the left end and the right end of the flow tube 1;
the outer side port of the connecting flange 2 is a flow port 14;
two crisscross porous differential pressure generating tubes 10 are arranged in the flow tube 1, a partition plate is arranged in the middle of the pipeline of the differential pressure generating tubes 10, the partition plate separates the inner cavity of the flow tube 1 into a front pipeline and a back pipeline, a plurality of through holes 11 are formed in the front pipeline and the back pipeline, and the through holes 11 are distributed in a concentric circular shape and are not uniform; the high-pressure holes and the low-pressure holes are communicated, but the high-pressure holes and the low-pressure holes are not communicated, so that a high-pressure chamber and a low-pressure chamber are formed respectively;
a sealing box 3 is fixedly arranged at the top end of the outer side of the tube body of the flow tube 1, a differential pressure transmitter 6 is fixedly arranged inside the sealing box 3, and the differential pressure transmitter 6 is connected with a porous differential pressure generating tube 10; a temperature sensor 7 is fixedly arranged on the right side of the differential pressure transmitter 6, and a storage battery 9 is fixedly arranged on the left side of the differential pressure transmitter 6;
an information acquisition module 5 is fixedly arranged at the top end in the sealing box 3, and the differential pressure transmitter 6, the temperature sensor 7 and the storage battery 9 are connected with the information acquisition module 5 through leads; a display 4 is fixedly arranged at the top end of the outer part of the sealing box 3;
a central processing unit 16 is fixedly embedded in the display 4, the information acquisition module 5 is connected with the central processing unit 16 through a lead, a memory 17 is fixedly arranged on the right side of the central processing unit 16, and a signal transceiver 18 is fixedly arranged on the left side of the central processing unit 16; the front side of the display 4 is fixedly provided with a display screen 15, and a switch key 21 is arranged right above the display screen 15.
Furthermore, the pipe wall of the flow pipe 1 and the box body of the seal box 3 are both made of stainless steel, so that the flow pipe is wear-resistant, corrosion-resistant, firm and durable, can be suitable for measurement of various environments and media, and is convenient to store and carry.
Further, temperature sensor 7 is infrared temperature sensor, can measure the temperature of multiple material, measure accurately to need not the contact measurement, effective increase of service life.
Furthermore, the diameter of the through hole 11 is 7-9 mm, so that the medium can conveniently enter and exit, and the measuring accuracy is improved.
Further, an electric power alarm lamp 19 is fixedly arranged on the left side of a switch key 21 on the display screen 4, a flow alarm lamp 20 is fixedly arranged on the right side of the switch key 21, buzzers are arranged in the electric power alarm lamp 19 and the flow alarm lamp 20, when the electric quantity of the storage battery 9 is lower than five percent, the electric power alarm lamp 19 flashes and sounds a whistle to alarm, and the electric power alarm lamp is sent to a supervisory console through a signal transceiver 18 to remind a worker to replace a battery, so that the normal work of the device is ensured; when the central processing unit 16 detects that the pipeline flow is abnormal, the flow alarm lamp 20 flashes and sounds a whistle to alarm, and the alarm is sent to the supervisory console through the signal transceiver 18, so that a maintainer can arrive at an accurate overhauling place as soon as possible.
Further, a movable cover 13 is arranged on the top wall of the sealing box 3 right above the storage battery 9, the section of the movable cover 13 is larger than that of the storage battery 9, and a waterproof layer is arranged on the inner wall of the movable cover 13, so that the storage battery is convenient to replace by workers.
Further, a flow regulating valve 12 is further arranged inside the flow tube 1, the flow regulating valve 12 is in a fully open state in a normal state, a signal processor 8 is arranged in the sealing box 3 right above the flow regulating valve 12, the signal processor 8 is connected with the flow regulating valve 12, corresponding signals are sent to the signal processor 8 through a central processing unit 16, the state of the flow regulating valve 12 can be controlled, and then the flow in the tube can be regulated.
The working principle of the utility model is as follows: the flow tube 1 is connected into the pipeline through the connecting flange 2, medium in the pipeline flows into the flow tube 1, the flow or volume of the medium can be accurately calculated through differential pressure formed by a high-pressure chamber and a low-pressure chamber, measurement information is transmitted to the central processing unit 16 through the differential pressure transmitter 6, the central processing unit 16 displays the flow information on the display screen 15, viewing is convenient, and the flow information is transmitted to the supervision platform through the signal transceiver 18, so that remote observation and control are convenient; the temperature of the medium is accurately measured by the infrared temperature sensor and the information is transmitted to the central processor 16; whether the detected flow is normal can also be contrasted and calculated through the central processing unit 16, when the abnormal flow of the pipeline is detected, the flow alarm lamp 20 flashes and sounds a whistle to alarm, and the abnormal flow is sent to the supervisory console through the signal transceiver 18, so that a maintainer can arrive at an accurate overhauling place as soon as possible, and the normal work of the system is effectively guaranteed.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (2)
1. A portable pipeline flow detector for a hydropower station is characterized in that: the flowmeter comprises a flow tube (1), a connecting flange (2), a sealing box (3) and a display (4); the flow tube is characterized in that connecting flanges (2) are fixedly arranged on the left end port and the right end port of the flow tube (1), the outer side end port of each connecting flange (2) is a flow port (14), two cross porous differential pressure generating tubes (10) are arranged in the flow tube (1), a partition plate is arranged in the middle of each differential pressure generating tube (10) and separates an inner cavity of the flow tube (1) into a front pipeline and a back pipeline, a sealing box (3) is fixedly arranged at the top end of the outer side of the tube body of the flow tube (1), a central processing unit (16) is fixedly embedded in the display (4), and an information acquisition module (5) is connected with the central processing unit (16) through a conducting wire;
a differential pressure transmitter (6) is fixedly arranged in the sealing box (3); a signal processor (8) is arranged in the sealing box (3);
a temperature sensor (7) is fixedly arranged on the right side of the differential pressure transmitter (6), and a storage battery (9) is fixedly arranged on the left side of the differential pressure transmitter (6);
a movable cover (13) is arranged on the top wall of the sealing box (3) right above the storage battery (9), the section of the movable cover (13) is larger than that of the storage battery (9), and a waterproof layer is arranged on the inner wall of the movable cover (13).
2. The portable pipeline flow meter for a hydroelectric power station of claim 1 wherein: the flow tube (1) is also internally provided with a flow regulating valve (12), and the normal state of the flow regulating valve (12) is in a fully open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174982.8U CN215598470U (en) | 2021-05-28 | 2021-05-28 | Portable pipeline flow detector for hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174982.8U CN215598470U (en) | 2021-05-28 | 2021-05-28 | Portable pipeline flow detector for hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215598470U true CN215598470U (en) | 2022-01-21 |
Family
ID=79873863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121174982.8U Active CN215598470U (en) | 2021-05-28 | 2021-05-28 | Portable pipeline flow detector for hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215598470U (en) |
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2021
- 2021-05-28 CN CN202121174982.8U patent/CN215598470U/en active Active
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