CN210893261U - Fluid flow detection device and fluid flow detection valve - Google Patents
Fluid flow detection device and fluid flow detection valve Download PDFInfo
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- CN210893261U CN210893261U CN201921286881.2U CN201921286881U CN210893261U CN 210893261 U CN210893261 U CN 210893261U CN 201921286881 U CN201921286881 U CN 201921286881U CN 210893261 U CN210893261 U CN 210893261U
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Abstract
An embodiment of the utility model provides a fluid flow detection device and fluid flow detection valve, fluid flow detection device includes: the charging management system comprises a power generation module, a power supply module, a main control module and a charging management module; the power generation module outputs electric energy by using mechanical energy of fluid; the power supply module stores the electric energy through the charging management module and supplies power to the main control module and the charging management module; the main control module sends a charging instruction to the charging management module according to the electric quantity information of the power supply module, and determines fluid flow information according to the output voltage and current of the power generation module; and the charging management module determines whether to charge the power supply module according to the charging instruction. The embodiment of the utility model discloses a through carrying out reasonable management to the charge mode, avoid appearing the overcharge problem to extension power life, thereby overcome among the prior art battery overcharge battery life that leads to and shorten the problem.
Description
Technical Field
The utility model relates to a thing networking intellectual detection system field especially indicates a fluid flow detection device and fluid flow detection valve.
Background
The long-distance water resource conveying pipeline is usually damaged due to some environmental factors or human factors and other inefficacy, and if the maintenance is not timely, the leakage of water resources is inevitably caused.
It can be seen that in long distance fluid (e.g., water resource) transport strategies, fluid detection and pipeline maintenance become the primary tasks.
The prior art provides a fluid flow detection valve (with a built-in chargeable and dischargeable battery) with a self-power supply function, although the self-power supply function of the valve can be realized by means of charging of fluid, because the valve does not comprise a battery electric quantity detection and charging management device, the charging mode of charging with water flow, namely charging is unreasonable, the phenomenon of battery overcharge is easily caused, the service life of the battery cannot be prolonged, and the service life of the battery is seriously shortened, so that the valve cannot normally work.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fluid flow detection device and fluid flow detection valve door through carrying out reasonable management to the charge mode, avoids appearing the overcharge problem to extension power life, thereby overcome the battery life problem of shortening that leads to of battery overcharge among the prior art.
In order to solve the above technical problem, an embodiment of the present invention provides the following solutions:
a fluid flow sensing device comprising: the charging management system comprises a power generation module, a power supply module, a main control module and a charging management module;
the power generation module is respectively and electrically connected with the charging management module and the main control module, the power supply module is respectively and electrically connected with the charging management module and the main control module, and the main control module is electrically connected with the charging management module;
the power generation module outputs electric energy by using mechanical energy of fluid;
the power supply module stores the electric energy through the charging management module and supplies power to the main control module and the charging management module;
the main control module sends a charging instruction to the charging management module according to the electric quantity information of the power supply module, and determines fluid flow information according to the output voltage and current of the power generation module;
and the charging management module determines whether to charge the power supply module according to the charging instruction.
Optionally, the power generation module comprises: small water turbines and generators;
the small water turbine is in transmission connection with the generator;
the generator is electrically connected with the charging management module and the main control module respectively;
and the main control module determines fluid flow information according to the output voltage and the current of the generator.
Optionally, the power module comprises: the device comprises an electric quantity detection unit and a battery pack;
the electric quantity detection unit is electrically connected with the battery pack and the main control module respectively;
the battery pack is electrically connected with the charging management module and the main control module respectively;
the electric quantity detection unit detects the electric quantity of the battery pack and sends electric quantity information to the main control module;
the battery pack stores the electric energy through the charging management module and supplies power to the main control module and the charging management module.
Optionally, the battery pack is a lithium battery pack.
Optionally, the charging management module includes: a charging control switch and a charging circuit;
the charging control switch is electrically connected with the charging circuit, the main control module and the generator respectively;
the charging circuit is electrically connected with the power supply module;
the charging control switch determines whether the power supply module is chargeable or not according to the charging instruction of the main control module;
the charging circuit charges the power module when the power module is chargeable, and does not charge the power module when the power module is not chargeable.
Optionally, the charging circuit charges the power module through a constant-voltage large-current or constant-current trickle current when the power module is chargeable.
Optionally, the main control module includes: a microprocessor;
and the microprocessor calculates the fluid flow rate according to the output voltage and the current of the generator and determines fluid flow information according to the fluid flow rate.
Optionally, the fluid flow detection device further comprises: a narrow-band Internet of things NB-IOT module;
the NB-IOT module is electrically connected with the power supply module and the main control module respectively;
the NB-IOT module obtains the fluid flow information determined by the main control module;
the power module supplies power to the NB-IOT module.
Optionally, the NB-IOT module is communicatively coupled to a cloud platform;
the NB-IOT module sends the fluid flow information to the cloud platform.
The embodiment of the utility model provides a fluid flow detection valve still provides, include: the valve body is used for detecting the fluid flow, wherein the power generation module comprises a small water turbine and a power generator;
the valve body is provided with a cavity;
the fluid flow detection device is sealed in the shell except the small water turbine;
the housing and the compact hydro turbine are disposed in the cavity.
The above technical scheme of the utility model at least include following beneficial effect:
the above technical scheme of the utility model, have self-power function, and the accessible host system and charge management module's cooperation is realized right power module's reasonable charging, its charge mode is comparatively reasonable, can avoid appearing the overcharge problem, thereby has prolonged power module's power life, therefore overcome among the prior art battery overcharge's the battery life that leads to and shortened the problem.
Drawings
FIG. 1 is a schematic view of a connection relationship of an embodiment of a fluid flow detecting device according to the present invention;
FIG. 2 is a schematic view of another embodiment of the fluid flow sensor of the present invention;
FIG. 3 is a schematic view of a connection relationship of another embodiment of the fluid flow detecting device of the present invention;
fig. 4 is a perspective view of an embodiment of a fluid flow sensing valve according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to 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 disclosure to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a fluid flow rate detecting device, which includes: the system comprises a power generation module 1, a power supply module 2, a main control module 3 and a charging management module 5.
The power generation module 1 is respectively electrically connected with the charging management module 5 and the main control module 3, the power supply module 2 is respectively electrically connected with the charging management module 5 and the main control module 3, and the main control module 3 is electrically connected with the charging management module 5.
The power generation module 1 outputs electric energy by using mechanical energy of fluid, for example, mechanical energy of water flow can be converted into electric energy to be output.
The power module 2 stores the electric energy through the charging management module 5, and supplies power to the main control module 3 and the charging management module 5 to ensure that the main control module 3 and the charging management module 5 can normally operate. That is, the power module 2 (for example, a lithium battery is included) has both the power storage function and the discharge function. The stored electric energy is from the electric energy output by the power generation module 1.
The main control module 3 sends a charging instruction to the charging management module 5 according to the electric quantity information of the power module 2, so as to determine whether to charge the power module 2 (certainly, the electric energy output by the power generation module 1 is utilized), so as to avoid the overcharge problem of the power module 2.
In addition, the main control module 3 may also determine fluid flow information according to the output voltage and current of the power generation module 1. For example, the main control module 3 may calculate a flow rate of a fluid (e.g., water flow) through the output voltage and the current, and then calculate current fluid flow information according to a relationship between the flow rate of the fluid and the fluid flow, so as to perform maintenance and management on the fluid accordingly. Therefore, the embodiment does not need to be provided with an additional fluid flow sensor, and various risks caused by unreasonable installation modes and installation positions of the fluid flow sensor are avoided.
And the charging management module 5 determines whether to charge the power module 2 according to the charging instruction. That is, the charging management module 5 charges the power module 2 when the power module needs to be charged according to the charging instruction of the main control module 3. The charging mode is reasonable, the problem of overcharge can be avoided, and therefore the service life of the power supply module 2 is prolonged.
It can be seen that the embodiment of the utility model provides a fluid flow detection device has self-power function, and the accessible host system 3 and charge management module 5's cooperation is realized right power module 2's reasonable charging, its charge mode is comparatively reasonable, can avoid appearing the overcharge problem, thereby has prolonged power module 2's power life, therefore overcome the battery life that leads to of overcharging among the prior art and shortened the problem.
As shown in fig. 2, in another embodiment of the fluid flow rate detecting device of the present invention, the power generation module 1 includes: a small hydraulic turbine 11 and a generator 12.
The small water turbine 11 is in transmission connection with the generator 12 so as to convert the mechanical energy of the fluid (water flow) into kinetic energy to be transmitted to the generator 12 for generating electricity.
The generator 12 is electrically connected with the charging management module 5 and the main control module 3 respectively.
The small water turbine 11 generates kinetic energy by using fluid mechanical energy, and then transmits the kinetic energy to the generator 12.
The generator 12 outputs electric energy using the kinetic energy so as to charge the electric energy to the power module through the charge management module 5.
The main control module 3 determines the fluid flow information according to the output voltage and current of the generator 12. That is, the main control module 3 can collect the output voltage and current of the generator 12, so as to calculate the fluid flow information.
As shown in fig. 3, in another embodiment of the fluid flow rate detecting device of the present invention, the power module 2 includes: a power detection unit 21 and a battery pack 22.
The electric quantity detection unit 21 is electrically connected with the battery pack 22 and the main control module 3 respectively.
The battery pack 22 is electrically connected to the charging management module 5 and the main control module 3, respectively.
The electric quantity detection unit 21 (for example, a BQ27520 chip) may detect the electric quantity of the battery pack 22, and may send electric quantity information to the main control module 3, so that the main control module 3 determines whether the battery pack 22 is available according to the electric quantity information, and sends a corresponding charging instruction to the charging management module 5.
The battery pack 22 stores the electric energy through the charging management module 5, that is, the charging management module 5 may determine whether the battery pack 22 is chargeable (for example, a charging switch is turned on when the battery pack is chargeable, and the charging switch is turned off when the battery pack is not chargeable) according to the charging instruction of the main control module 3, and charge the electric energy output by the power generation module 1 to the battery pack 22 when the battery pack is chargeable. The battery pack 22 can simultaneously supply power to the main control module 3 and the charging management module 5 to ensure the normal operation of the main control module 3 and the charging management module 2. Here, the battery pack 22 may be a lithium battery pack (e.g., a 1000ma.h lithium battery) having a good charge and discharge performance.
As shown in fig. 3, in another embodiment of the fluid flow rate detecting device of the present invention, the charging management module 5 includes: a charging control switch 51 and a charging circuit 52.
The charging control switch 51 is electrically connected to the charging circuit 52, the main control module 3 and the generator 12.
The charging circuit 52 is electrically connected to the power module 2.
The charging control switch 51 determines whether the power module 2 is chargeable according to the charging instruction of the main control module 3. For example, the charging control switch 51 turns on a charging switch when the power module 2 is chargeable (based on the charging command of the main control module 3); when the power module 2 is not chargeable (based on the command), the charging switch is turned off (disconnected).
The charging circuit 52 charges the power module 2 when the power module 2 is chargeable (i.e., charges the power module 2 with the electric energy output by the generator 12); when the power module 2 is not chargeable, the power module 2 is not charged, so that the problem of overcharge is avoided. Here, the charging circuit 52 may generally charge the power module 2 by a large constant-voltage current or a small constant-current when the power module 2 is chargeable.
In another embodiment of the present invention, the main control module 3 comprises: a microprocessor.
The microprocessor calculates the fluid flow rate from the output voltage and current of the generator 12 and determines fluid flow information from the fluid flow rate.
As shown in fig. 3, in another embodiment of the fluid flow rate detecting device of the present invention, the device further includes: narrowband Internet of things NB-IOT (narrow Band Internet of things) module 4.
The NB-IOT module 4 is electrically connected with the power module 2 and the main control module 3 respectively.
And the NB-IOT module 4 obtains the fluid flow information determined by the main control module 3.
The power module 2 supplies power to the NB-IOT module 4 to ensure normal operation of the NB-IOT module 4.
In application, the main control module 3 is usually connected to the NB-IOT module 4 through an UTRA serial port.
In application, the NB-IOT module 4 is typically communicatively coupled to a cloud platform (e.g., an ONE-NeT cloud platform).
The NB-IOT module 4 may send (either regularly or in real time) the fluid flow information to the cloud platform, so that maintenance personnel can know and grasp the fluid flow condition through the cloud platform, thereby performing effective maintenance and management on the fluid.
As shown in fig. 4, an embodiment of the present invention further provides a fluid flow detecting valve, including: the valve body 8 is the fluid flow detecting device, wherein the power generation module 1 comprises a mini-turbine 11 and a generator 12. The valve body 8 has a cavity 7.
The fluid flow detection device is sealed in the shell 6 except the small water turbine 11 and is effectively protected, so that the fluid flow detection device can cope with severe environmental conditions (such as erosion and corrosion by fluid), the service life of the fluid flow detection device is prolonged, and the problem that the additionally arranged fluid flow sensor is difficult to cope with the severe environmental conditions and can fall off due to unreasonable installation mode and installation position in the prior art is solved.
The housing 6 and the compact water turbine 11 are disposed in the cavity 7. The mini-turbine 11 can generate kinetic energy in the cavity 7 by contacting with fluid and transmit the kinetic energy to the generator 12, so that the generator 12 can convert the kinetic energy into electric energy to be output. Here, the mini turbine 11 is generally made of a resistant material and fixed inside the valve body 8 (i.e., in the cavity 7).
In this embodiment, the fluid flow detecting valve 8 includes the fluid flow detecting device, so that the fluid flow detecting valve also has the advantages of the fluid flow detecting device in the above embodiments, and details are not described here.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A fluid flow sensing device, comprising: the charging management system comprises a power generation module (1), a power supply module (2), a main control module (3) and a charging management module (5);
the power generation module (1) is electrically connected with the charging management module (5) and the main control module (3) respectively, the power supply module (2) is electrically connected with the charging management module (5) and the main control module (3) respectively, and the main control module (3) is electrically connected with the charging management module (5);
the power generation module (1) outputs electric energy by using mechanical energy of fluid;
the power supply module (2) stores the electric energy through the charging management module (5) and supplies power to the main control module (3) and the charging management module (5);
the main control module (3) sends a charging instruction to the charging management module (5) according to the electric quantity information of the power supply module (2), and determines fluid flow information according to the output voltage and current of the power generation module (1);
and the charging management module (5) determines whether to charge the power supply module (2) according to the charging instruction.
2. The fluid flow detection device according to claim 1, wherein the power generation module (1) comprises: a small water turbine (11) and a generator (12);
the small water turbine (11) is in transmission connection with the generator (12);
the generator (12) is electrically connected with the charging management module (5) and the main control module (3) respectively;
the main control module (3) determines fluid flow information according to the output voltage and current of the generator (12).
3. The fluid flow detection device according to claim 2, wherein the power module (2) comprises: a power detection unit (21) and a battery pack (22);
the electric quantity detection unit (21) is electrically connected with the battery pack (22) and the main control module (3) respectively;
the battery pack (22) is electrically connected with the charging management module (5) and the main control module (3) respectively;
the electric quantity detection unit (21) detects the electric quantity of the battery pack (22) and sends electric quantity information to the main control module (3);
the battery pack (22) stores the electric energy through the charging management module (5) and supplies power to the main control module (3) and the charging management module (5).
4. The fluid flow sensing device of claim 3, wherein the battery pack (22) is a lithium battery pack.
5. The fluid flow detection device according to claim 2, wherein the charge management module (5) comprises: a charging control switch (51) and a charging circuit (52);
the charging control switch (51) is electrically connected with the charging circuit (52), the main control module (3) and the generator (12) respectively;
the charging circuit (52) is electrically connected with the power supply module (2);
the charging control switch (51) determines whether the power supply module (2) is chargeable according to a charging instruction of the main control module (3);
the charging circuit (52) charges the power module (2) when the power module (2) is chargeable, and does not charge the power module (2) when the power module (2) is not chargeable.
6. The fluid flow sensing device of claim 5, wherein the charging circuit (52) charges the power module (2) with a constant voltage, a large current, or a constant current when the power module (2) is chargeable.
7. The fluid flow detection device according to claim 2, wherein the master control module (3) comprises: a microprocessor;
the microprocessor calculates a fluid flow rate from the output voltage and current of the generator (12) and determines fluid flow information from the fluid flow rate.
8. The fluid flow sensing device of claim 2, further comprising: a narrowband Internet of things NB-IOT module (4);
the NB-IOT module (4) is electrically connected with the power supply module (2) and the main control module (3) respectively;
the NB-IOT module (4) obtains the fluid flow information determined by the main control module (3);
the power module (2) supplies power to the NB-IOT module (4).
9. The fluid flow detection device of claim 8, wherein the NB-IOT module (4) is communicatively coupled to a cloud platform;
the NB-IOT module (4) sends the fluid flow information to the cloud platform.
10. A fluid flow sensing valve, comprising: a valve body (8) and a fluid flow sensing device according to any one of claims 2 to 9;
the valve body (8) is provided with a cavity (7);
the fluid flow detection device is sealed in the shell (6) except the small water turbine (11);
the housing (6) and the compact water turbine (11) are disposed in the cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286881.2U CN210893261U (en) | 2019-08-09 | 2019-08-09 | Fluid flow detection device and fluid flow detection valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286881.2U CN210893261U (en) | 2019-08-09 | 2019-08-09 | Fluid flow detection device and fluid flow detection valve |
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| Publication Number | Publication Date |
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| CN210893261U true CN210893261U (en) | 2020-06-30 |
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| CN201921286881.2U Active CN210893261U (en) | 2019-08-09 | 2019-08-09 | Fluid flow detection device and fluid flow detection valve |
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