CN216791277U - Redundant formula flow monitoring equipment - Google Patents
Redundant formula flow monitoring equipment Download PDFInfo
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- CN216791277U CN216791277U CN202123071792.6U CN202123071792U CN216791277U CN 216791277 U CN216791277 U CN 216791277U CN 202123071792 U CN202123071792 U CN 202123071792U CN 216791277 U CN216791277 U CN 216791277U
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Abstract
The utility model discloses a redundant flow monitoring device, which comprises: the contact type flowmeter is arranged at the bottom of a pipe to be measured, the non-contact type flowmeter is arranged at the top of the pipe to be measured, the pipe network monitor is connected with the contact type flowmeter and the non-contact type flowmeter, the pipe network multifunctional monitor is arranged on the wall of a vertical shaft of the pipe to be measured, the redundant flow monitoring equipment carries out redundant measurement by two monitoring modes of contact and non-contact, integrates the self-adaption and compensation algorithms of two sensors, establishes a model of surface flow velocity and section flow velocity, has no measuring blind area, can be separately configured under different working conditions, use contact flowmeter under the operating mode of normal high liquid level operation, use non-contact flowmeter under the pipe network operating mode of low liquid level, effectively improve monitoring stability and security, guarantee the monitoring effect.
Description
Technical Field
The utility model belongs to the technical field of pipe network flow monitoring, and particularly relates to redundant flow monitoring equipment.
Background
The concept of intelligent water affairs is generated along with concepts of the Internet of things, cloud computing and the like. The front-section sensing equipment of the intelligent water affair is an important component of the intelligent water affair, a drainage pipe network is used as a branch of the intelligent water affair, the monitoring of flow is light, the flow monitoring equipment in the pipe network is most common to a contact type flow meter and a non-contact type flow meter, the contact type flow meter has the main problems of large maintenance amount and frequent maintenance, and the non-contact type flow meter has the main problems of high liquid level and incapability of measuring when being filled with a pipe. Flow monitoring helps to perfect the construction of an intelligent water level front-end sensing system and helps to improve the urban water management efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide redundant flow monitoring equipment aiming at the defects in the prior art, the redundant flow monitoring equipment carries out redundant measurement by a contact type monitoring mode and a non-contact type monitoring mode, integrates self-adaption and compensation algorithms of two sensors, establishes a model of surface flow velocity and section flow velocity, has no measuring blind area, can be separately configured under different working conditions, uses a contact type flow meter under the working condition of high liquid level operation, uses a non-contact type flow meter under the working condition of a pipe network with low liquid level, uses the redundant flow meter combined with the contact type flow meter and the non-contact type flow meter under the working condition of high liquid level fluctuation and more complex working conditions, effectively improves monitoring stability and safety, and ensures monitoring effect.
In order to achieve the above object, the present invention provides a redundant flow monitoring device, including:
the contact type flowmeter is arranged at the bottom of the pipe network to be measured;
the non-contact flow meter is arranged at the top of the pipe network to be measured;
the pipe network monitor, the multi-functional monitor of pipe network with contact flowmeter with the non-contact flowmeter is connected, the multi-functional monitor of pipe network sets up on the wall of a well of the shaft of quilt survey pipe network.
Optionally, still include the antenna, the antenna with pipe network monitor is connected, the antenna setting is on the well lid.
Optionally, still include the support, the one end of support with the pipe end is connected, the other end of support is connected on the wall of a well of shaft, the part that the support is in the pipe network inside is provided with installation department and last installation department down, contact flowmeter and non-contact flowmeter install respectively the installation department down with on the installation department.
Optionally, the pipe network multifunctional monitor comprises an explosion-proof shell, a battery, a communication module and a controller, wherein the controller is in communication connection with the data platform through the communication module.
Optionally, the controller comprises a memory module for storing data of the contact-type flow meter and the non-contact-type flow meter, and the data of the contact-type flow meter and the non-contact-type flow meter stored in the memory module form historical data;
a first threshold value is arranged in the controller, and the controller can compare the difference value of the data of the contact flowmeter and the data of the non-contact flowmeter with the first threshold value;
when the difference value is within a first threshold value range, taking an average value of data of the contact flowmeter and the non-contact flowmeter as a monitoring data result;
and when the difference exceeds the first threshold range, taking one of the contact flow meter and the non-contact flow meter, which has smaller data change relative to the respective historical data, as the monitoring data result, and sending an alarm signal.
Optionally, the non-contact flow meter comprises a radar level sensor and a radar flow rate sensor.
Optionally, the contact flow meter comprises an integrated static pressure liquid level sensor and a doppler ultrasonic flow rate sensor.
The utility model provides redundant flow monitoring equipment, which has the beneficial effects that:
this redundant formula flow monitoring equipment carries out redundancy measurement through two kinds of monitoring methods of contact and non-contact, the self-adaptation and the compensation algorithm of two kinds of integrated sensors, establish the model of surface velocity of flow and section velocity of flow, there is not the measurement blind area, under different work condition, redundant formula flowmeter can separately dispose, use contact flowmeter under the operating mode of high liquid level operation, use non-contact flowmeter under the pipe network operating mode of low liquid level, under the very big and more complicated operating mode of liquid level fluctuation, use the redundant formula flowmeter of the two combination, effectively improve monitoring stability and security, guarantee the monitoring effect.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural diagram of a redundant flow monitoring device according to an embodiment of the present invention.
Description of reference numerals:
1. a contact flow meter; 2. a non-contact flow meter; 3. a pipe network multifunctional monitor; 4. an antenna; 5. and (4) a bracket.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
Fig. 1 shows a schematic structural diagram of a redundant flow monitoring device according to an embodiment of the present invention.
As shown in fig. 1, a redundant flow monitoring device includes:
the contact type flowmeter 1 is arranged at the pipe bottom of a pipe network to be measured;
the non-contact flow meter 2 is arranged at the top of the pipe network to be measured;
pipe network multifunctional monitoring appearance 3, pipe network multifunctional monitoring appearance 3 is connected with contact flowmeter 1 and non-contact flowmeter 2, and pipe network multifunctional monitoring appearance 3 sets up on the wall of a well of the shaft of the pipe network under test.
Specifically, the liquid level and the flow change in the pipeline are monitored simultaneously through the contact type flowmeter 1 and the non-contact type flowmeter 2, the monitoring result is uploaded to the monitoring system through the pipe network multifunctional monitor 3, the monitoring accuracy is improved by utilizing two monitoring modes, monitoring can be still guaranteed after any failure, and when the divergence of the data difference value of the two is too large, the party with small data fluctuation is selected as a measured value according to the historical data record.
The device is mainly used for on-line monitoring of the flow of various working conditions of a drainage pipe network, and adopts a redundancy measurement principle of combining contact type with non-contact type, a non-contact type flow meter for non-contact type acquisition and a contact type flow meter for contact type acquisition are utilized, probes of the two flow meters are mutually corrected and mutually evaluated, the use reliability is improved, the problems that the contact type flow meter is easy to hang garbage, the maintenance amount is high, and the contact type flow meter can not measure when the non-contact type flow meter is at a high liquid level/is full are considered, self-adaption and compensation algorithms of the two sensors are integrated, a model of the surface flow velocity and the section flow velocity is well established, no measurement blind area exists, under different working conditions, the redundancy type flow meter can be separately configured, under the working condition of operating at a very high liquid level, the contact type flow meter is adopted, under the pipe network working condition of a low liquid level, the radar liquid level is adopted, under the working condition that the liquid level fluctuates greatly and is more complex, by adopting the redundant flow meter, the data can be directly accessed to the cloud platform, so that remote data checking management is realized, and remote parameter setting is supported.
Further, the flow in the pipe network is calculated by the liquid level and the flow velocity, and the accuracy of the liquid level and the flow velocity measurement needs to be ensured at the same time to ensure the accuracy of the measurement.
In this embodiment, still include antenna 4, antenna 4 is connected with pipe network monitor 3, and the antenna sets up on the well lid.
Specifically, pipe network multifunctional monitor 3 passes through antenna 4 and is connected with external communication, and antenna 4 is provided with magnetism and inhales the structure, and antenna 4 is through magnetism structure easy to assemble change of inhaling.
In this embodiment, still include support 5, the one end and the pipe bottom of support 5 are connected, and the other end of support 5 is connected on the wall of a well of shaft, and support 5 is provided with down installation department and last installation department in the inside part of pipe network, and contact flowmeter 1 and non-contact flowmeter 2 install respectively on lower installation department and last installation department.
Specifically, the contact flowmeter 1 and the non-contact flowmeter 2 are fixedly mounted by the bracket 5.
In this embodiment, the pipe network multifunctional monitor 3 includes an explosion-proof housing, a battery, a communication module and a controller, and the controller is in communication connection with the data platform through the communication module.
In this embodiment, the controller includes a storage module, the storage module is configured to store data of the contact flow meter 1 and the non-contact flow meter 2, respectively, and the data of the contact flow meter 1 and the non-contact flow meter 2 stored in the storage module form historical data;
a first threshold value is arranged in the controller, and the controller can compare the difference value of the data of the contact flowmeter 1 and the data of the non-contact flowmeter 2 with the first threshold value;
when the difference value is within a first threshold value range, taking the average value of the data of the contact flowmeter 1 and the non-contact flowmeter 2 as a monitoring data result;
and when the difference exceeds a first threshold range, taking the smaller data change of the contact flowmeter 1 and the non-contact flowmeter 2 relative to the respective historical data as a monitoring data result, and sending an alarm signal.
Further, the first threshold is a liquid level height difference value, the second threshold is a flow rate difference value, the second threshold is arranged in the controller, and the controller can compare the difference value of the data of the contact type flowmeter 1 and the data of the non-contact type flowmeter 2 with the second threshold;
when the difference value is within a second threshold value range, taking the average value of the data of the contact flowmeter 1 and the non-contact flowmeter 2 as a monitoring data result;
and when the difference exceeds a second threshold range, taking the smaller data change of the contact flowmeter 1 and the non-contact flowmeter 2 relative to the respective historical data as a monitoring data result, and sending an alarm signal.
In the present embodiment, the non-contact flow meter 2 includes a radar level sensor and a radar flow rate sensor.
In the present embodiment, the contact flow meter 1 includes an integrated static pressure type liquid level sensor and a doppler ultrasonic flow velocity sensor.
A redundant flow monitoring method utilizes the redundant flow monitoring equipment, and comprises the following steps:
arranging a contact type flowmeter at the bottom of a pipe network to be measured;
arranging a non-contact flow meter on the top of a pipe of a tested pipe network;
and a pipe network monitor is arranged on the wall of the vertical shaft of the pipe network to be detected, and the pipe network monitor monitors the flow of the pipe network according to the monitoring results of the contact-type flowmeter and the non-contact flowmeter.
In this embodiment, the pipe network multifunctional monitor comprises an explosion-proof battery, a communication module, a controller and a storage module, wherein the controller is in communication connection with the data platform through the communication module;
storing data of the contact-type flowmeter and the non-contact-type flowmeter in a storage module to form historical data;
setting a first threshold value in the controller;
comparing, by the controller, a difference in data of the contact flow meter and the non-contact flow meter to a first threshold;
when the difference value is within a first threshold value range, taking the average value of the data of the contact flowmeter and the non-contact flowmeter as a monitoring data result;
and when the difference exceeds a first threshold range, taking one of the contact flow meter and the non-contact flow meter, which has smaller data change relative to the respective historical data, as a monitoring data result, and sending an alarm signal. The difference values include a flow rate difference value and a liquid level difference value.
In the present embodiment, the non-contact flow meter includes a radar level sensor and a radar flow rate sensor;
the contact-type flowmeter comprises an integrated static pressure type liquid level sensor and a Doppler ultrasonic flow velocity sensor;
the difference values include a flow rate difference value and a liquid level difference value.
Specifically, when the contact-type flowmeter detects that the liquid level changes or the display numerical value is 0, the sludge alarm is carried out.
When the redundant flow monitoring equipment is used, taking monitoring pipeline sewage as an example, a contact type flow meter 1 and a non-contact type flow meter 2 are respectively arranged at the light bottom and the pipe top of a horizontal pipeline through a bracket 5, a pipe network multifunctional monitor 3 is arranged at the wellhead of a vertical pipeline, an antenna 4 is arranged on a well cover, then the tolerance delta h of a radar liquid level and a static pressure type liquid level is set, if the delta h exceeds a threshold value, historical change data is passed, one with a stable value is taken as a measured value, if the static pressure type liquid level obviously fluctuates or the value is 0, the static pressure type liquid level can be taken as a warning of sludge change, if the delta h does not exceed the threshold value, the measured value takes the average of the two as the measured value, once the delta h exceeds the threshold value, the fact that a problem exists in a possible measuring system is predicted, operation and maintenance personnel are reminded to check data and find the problem in time is carried out, the radar flow rate and the Doppler flow rate tolerance v are set according to the same principle, the problem of flow rate is found, because sewage pipes are easy to suspend garbage and floating objects, the data quality is reduced after the sewage pipes are operated for a period of time, if redundant monitoring is adopted, once a certain sensor fails, the reference measurement value of the failed sensor can still be fitted through another sensor through the correlation of historical data, and the measurement accuracy is ensured.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (7)
1. A redundant flow monitoring device, comprising:
the contact type flowmeter is arranged at the bottom of the pipe network to be measured;
the non-contact flow meter is arranged at the top of the pipe network to be measured;
the multifunctional pipe network monitor is arranged on the wall of a vertical shaft of a pipe network to be monitored, and is connected with the contact-type flowmeter and the non-contact flowmeter.
2. A redundant flow monitoring device according to claim 1, further comprising an antenna connected to the pipe network multifunctional monitor, the antenna being disposed on the manhole cover.
3. A redundant flow monitoring device according to claim 1, further comprising a bracket, wherein one end of the bracket is connected to the bottom of the pipe, the other end of the bracket is connected to a wall of the shaft, a lower mounting portion and an upper mounting portion are provided on a portion of the bracket located inside the pipe network, and the contact-type flowmeter and the non-contact-type flowmeter are respectively mounted on the lower mounting portion and the upper mounting portion.
4. A redundant flow monitoring device according to claim 1, wherein the multifunctional pipe network monitor comprises an explosion-proof housing, a battery, a communication module and a controller, and the controller is in communication connection with the data platform through the communication module.
5. A redundant flow monitoring device according to claim 4, wherein the controller further comprises a memory module for storing data of the contact flow meter and the non-contact flow meter, the data of the contact flow meter and the non-contact flow meter stored in the memory module forming historical data;
a first threshold value is arranged in the controller, and the controller can compare the difference value of the data of the contact flowmeter and the data of the non-contact flowmeter with the first threshold value;
when the difference value is within a first threshold value range, taking an average value of data of the contact flowmeter and the non-contact flowmeter as a monitoring data result;
and when the difference exceeds the first threshold range, taking one of the contact flow meter and the non-contact flow meter, which has smaller data change relative to the respective historical data, as the monitoring data result, and sending an alarm signal.
6. A redundant flow monitoring device according to claim 1, wherein the non-contact flow meter includes a radar level sensor and a radar flow rate sensor.
7. A redundant flow monitoring device according to claim 1, wherein the contact flow meter comprises an integrated static pressure level sensor and doppler ultrasonic flow rate sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123071792.6U CN216791277U (en) | 2021-12-08 | 2021-12-08 | Redundant formula flow monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123071792.6U CN216791277U (en) | 2021-12-08 | 2021-12-08 | Redundant formula flow monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216791277U true CN216791277U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123071792.6U Active CN216791277U (en) | 2021-12-08 | 2021-12-08 | Redundant formula flow monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216791277U (en) |
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2021
- 2021-12-08 CN CN202123071792.6U patent/CN216791277U/en active Active
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