CN211042363U - Power supply management device of intelligent water meter - Google Patents
Power supply management device of intelligent water meter Download PDFInfo
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- CN211042363U CN211042363U CN201921720696.XU CN201921720696U CN211042363U CN 211042363 U CN211042363 U CN 211042363U CN 201921720696 U CN201921720696 U CN 201921720696U CN 211042363 U CN211042363 U CN 211042363U
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Abstract
The utility model discloses a power supply management device of intelligence water gauge, including being used for to the power supply unit of intelligence water gauge power supply, being used for acquireing the flow metering equipment of intelligence water gauge data and being used for sending data to the data teletransmission equipment of intelligence water gauge main control system. The power supply equipment comprises a first power supply module, a second power supply module and a power supply management module, wherein the power supply management module is provided with a processor and a driver connected with the processor, and the processor controls the driver to drive the power supply management module to carry out input switching according to the output voltage of the first power supply module. The utility model discloses a power supply management device of intelligence water gauge is applicable to the inconvenient service environment of electricity of getting such as open air, has satisfied the demand that the meter was checked to high frequency time simultaneously.
Description
Technical Field
The utility model relates to an intelligence water gauge management technology field especially relates to a power supply management device of intelligence water gauge.
Background
At present, the intelligent water meter is mainly divided into a split type intelligent water meter and an integrated intelligent water meter from the installation mode. The split type intelligent water meter is generally powered by mains supply, has no limit of power consumption, and can meet the requirement of high-frequency meter reading, but the installation environment of the split type intelligent water meter is limited by a power supply mode, and the split type intelligent water meter cannot be installed in the environment with inconvenient electricity taking such as the outdoors and the like; the integrated intelligent water meter generally adopts a lithium battery pack to independently supply power, reduces the requirement on the installation environment, but cannot meet the requirement of high-frequency meter reading due to the limitation of power consumption.
Therefore, it is urgently needed to design a power supply management device of an intelligent water meter, which can be installed in the outdoor environment and other use environments where electricity is inconvenient to get and can also realize the requirement of high-frequency meter reading.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power supply management device of intelligence water gauge solves the technical problem that current intelligence water gauge can't realize high frequency time and check meter under the inconvenient condition of electricity is got to open air etc..
In order to solve the technical problem, the utility model provides a power supply management device of intelligent water gauge, including power supply unit, power supply unit is used for supplying power to intelligent water gauge, power supply unit includes first power module, second power module and power management module, the output of first power module and the output of second power module all with the input of power management module is connected, power management module has the treater and the driver that links to each other with the treater, the treater is according to the output voltage control of first power module the driver drives the input of power management module is connected with first power module or second power module; the flow metering device is connected with the output end of the power management module and is arranged in the meter body of the intelligent water meter to acquire data of the intelligent water meter; and the data remote transmission equipment is respectively connected with the output end of the power management module and the flow metering equipment, and is used for receiving the data acquired by the flow metering equipment and sending the data to the control host of the intelligent water meter.
Furthermore, the first power module is a solar power supply module, and the second power module is a lithium battery power supply module.
Further, the processor comprises a voltage detection circuit, the driver comprises a power supply switching circuit, the input end of the voltage detection circuit is connected with the output end of the first power supply module, the input end of the power supply switching circuit is respectively connected with the output end of the voltage detection circuit and the output end of the second power supply module, and the output end of the power supply switching circuit is respectively connected with the input end of the flow metering equipment and the input end of the data remote transmission equipment.
Furthermore, the power management module further comprises a voltage conversion circuit, an input end of the voltage conversion circuit is connected with an output end of the power switching circuit, and an output end of the voltage conversion circuit is respectively connected with an input end of the flow metering device and an input end of the data remote transmission device.
Further, the voltage detection circuit is configured to detect an output voltage of the first power module, and the voltage conversion circuit is a DC-DC voltage conversion circuit.
Furthermore, the flow metering equipment and the data remote transmission equipment are connected through a communication module.
Further, the communication module has a bidirectional communication function via a power information network.
Further, the communication module adopts an RS485 communication circuit.
Further, the first power module comprises a first power controller, a photovoltaic module and a storage battery, wherein the first power controller is respectively connected with the photovoltaic module and the storage battery, the storage battery is charged by the photovoltaic module, and the storage battery is used for supplying power to the power management module.
Further, the second power module includes a plurality of lithium batteries formed by lithium batteries connected in series and/or in parallel.
Adopt above-mentioned technical scheme, power management device of intelligence water gauge have these two sets of power supply module of first power module and second power module, adopt the power supply of first power module when first power module output voltage is enough, otherwise switch to the power supply of second power module, the power management device of this kind of intelligence water gauge is applicable to in multiple service environment of getting inconvenience such as open air, the suitability of the intelligent water gauge that has it has been improved, guarantee simultaneously to have sufficient consumption, can satisfy the demand that checks meter of high frequency, the durable degree of the intelligent water gauge that has it has been improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram showing an example of the configuration of a power supply management apparatus of an intelligent water meter according to the present invention;
FIG. 2 is a block diagram of an example of the configuration of the power management module of the present invention;
fig. 3 is a block diagram of an example of the construction of the utility model distribution box;
fig. 4 is a schematic structural diagram of a power supply management device of the intelligent water meter of the present invention;
wherein the reference numerals in the figures correspond to:
1-power supply equipment, 11-a first power supply module, 111-a photovoltaic module, 112-a storage battery, 12-a second power supply module, 13-a power supply management module, 131-a voltage detection circuit, 132-a power supply switching circuit and 133-a voltage conversion circuit;
2-a flow metering device;
3-data remote transmission equipment;
4-a communication module;
5-a distribution box;
6, mounting a bracket;
7-an antenna;
8-terminal block.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Reference herein to "some embodiments" or "embodiments" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", "front", "back", and the like refer to the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-4, the power supply management device of the intelligent water meter of the present invention includes a power supply device 1, a flow measurement device 2 and a data remote transmission device 3, wherein the power supply device 1 is connected to the flow measurement device 2 and the data remote transmission device 3 respectively. The power supply device 1 comprises a first power module 11, a second power module 12 and a power management module 13, wherein an input end of the power management module 13 is electrically connected with an output end of the first power module 11 and an output end of the second power module 12, and the power management module 13 selects the first power module 11 or the second power module 12 to perform input switching according to output voltage of the first power module 11.
Specifically, the power management module 13 has a processor and a driver (not shown), the processor is electrically connected to the driver, and the processor controls the driver to drive the input terminal of the power management module 13 to selectively communicate with the first power module 11 or the second power module 12 according to the output voltage of the first power module 11.
Fig. 1 is a block diagram of an example of the structure of the power supply management device of the intelligent water meter, in some embodiments of the present invention, as shown in fig. 1, the power supply device 1 includes a first power module 11, a second power module 12 and a power management module 13, and the output end of the first power module 11 and the output end of the second power module are all connected to the power management module 13. The output end of the power management module 13 is connected with the flow metering device 2 and the data remote transmission device 3, and the power management module 13 outputs corresponding voltages to the flow metering device 2 and the data remote transmission device 3.
In some embodiments of the utility model, as shown in fig. 2, the treater includes voltage detection circuit 131, the driver includes power supply switching circuit 132 and voltage conversion circuit 133, voltage detection circuit 131's input is connected with first power module 11's output, voltage detection circuit 131 output links to each other with power supply switching circuit 132's input, power supply switching circuit 132's input still is connected with second power module 12's output, power supply switching circuit 132's output respectively with flow measurement equipment 2's input, data teletransmission equipment 3's input and voltage conversion circuit 133's input are connected, voltage conversion circuit 133's output is connected with flow measurement equipment 2's input and data teletransmission equipment 3's input respectively.
Specifically, when the voltage detection circuit 131 detects that the output voltage of the first power module 11 is higher than the preset turn-off voltage, the power switching circuit 132 turns on the power supply of the first power module 11 to the voltage conversion circuit 133, and the voltage conversion circuit 133 performs voltage conversion on the high voltage output by the first power module 11 to supply power to the flow metering device 2 and the data remote transmission device 3; when the voltage detection circuit 131 detects that the output voltage of the first power module 11 is lower than the preset turn-off voltage, the power switching circuit 132 blocks the input of the first power module 11, and the power switching circuit 132 turns on the power supply of the second power module 12 to the flow meter measuring device 2 and the data remote transmission device 3; when the power supply of the second power module 12 is switched, the voltage detection circuit 131 continuously detects the output voltage of the first power module 11, and when it is detected that the output voltage of the first power module 11 is higher than the preset turn-on voltage, the power switching circuit 132 blocks the input of the second power module 12, the power switching circuit 132 switches on the first power module 11 to supply power to the voltage conversion circuit 133, and the voltage conversion circuit 133 performs voltage conversion on the high voltage output by the first power module 11 and then starts to respectively supply power to the flow metering device 2 and the data remote transmission device 3.
It can be understood that the voltage converting circuit 133 is a DC-DC voltage converting circuit, the on-voltage and the off-voltage can be set in the processor in advance according to the requirements of different intelligent water meters, and the on-voltage is higher than the off-voltage in the power management device of the same intelligent water meter.
Preferably, the first power module 11 is a solar power supply module, and the second power module 12 is a lithium battery power supply module.
In some embodiments of the present invention, as shown in fig. 3 to 4, the flow metering device 2 is connected to the output end of the power management module 13, and the flow metering device 2 is disposed in the meter body of the intelligent water meter to obtain data such as time, water flow information, etc. of the intelligent water meter; the data remote transmission device 3 is respectively connected with the output end of the power management module 13 and the flow metering device 2, and the data remote transmission device 3 is used for receiving the data acquired by the flow metering device 2 and sending the data to the control host of the intelligent water meter. The flow metering device 2 and the data remote transmission device 3 are connected through a communication module 4 with a bidirectional communication function through a power information network. Preferably, the communication module 4 adopts an RS485 communication circuit.
In some embodiments of the present invention, the first power module 11 includes a distribution box 5, a photovoltaic module 111 and a storage battery 112. The battery 112 is disposed within a buried box, and the battery 112 is preferably a maintenance-free lead-acid battery. The distribution box 5 is a hoop-type distribution box, a first power controller 110 and data remote transmission equipment 3 are arranged in the distribution box 5, the first power controller 110 is connected with a photovoltaic module 111 and a storage battery 112 through a wiring terminal strip 8, the storage battery 112 is charged by the photovoltaic module 111, and the storage battery 112 is used for supplying power to a power management module 13. The first Power controller 110 has a Maximum Power Point Tracking (MPPT) function of the photovoltaic module 111, and the photovoltaic module 111 can output more electric energy, and effectively store the direct current generated by the solar panel in the photovoltaic module in the storage battery 112, so that the solar Power generation can be converted and utilized more efficiently. Meanwhile, the first power controller 110 has management functions for the storage battery 112, such as floating charge and uniform charge, so that the phenomena of overcharge and overdischarge of the storage battery 112 are prevented, and the service life of the storage battery 112 is prolonged. The data remote transmission device includes a data remote transmission module (not shown in the figure) and an antenna 7, and the data remote transmission module supports a GPRS (General Packet radio service) network, a full-network 4G (fourth generation mobile communication technology) network and an NB-IoT (Narrow Band Internet of Things) network. Antenna 7 of data teletransmission equipment 3 sets up in the outside of block terminal 5, and antenna 7 is used for with the utility model discloses a power management device of intelligent water gauge and the main control system communication of intelligent water gauge.
The second power module 12 includes a plurality of lithium battery packs (not shown) formed by lithium batteries connected in series and/or in parallel. The lithium cell group can adopt 7 lithium cells, wherein, 5 lithium cells connect in parallel as a set of, and 2 lithium cells establish ties as a set of, and above-mentioned two sets of lithium cell groups are connected with power management module 13's input again through series connection or parallelly connected mode, to power management module 13 power supply. The lithium battery pack in the second power module 12 may be configured as long as it can meet the use requirement of the intelligent water meter, and the specific configuration of the lithium battery pack is not limited herein.
Fig. 4 is the utility model discloses power management device's of intelligent water gauge structural schematic diagram, photovoltaic module 111 and block terminal 5 are all installed on installing support 6, and battery 112 buries the incasement in arranging in, and photovoltaic module 111 draws out its power connection. A power supply management module 13 and a lithium battery pack are arranged in a power supply bin of the flow metering device 2, a metering module (not shown) is arranged in a metering bin of the flow metering device 2, and a power supply interface and a communication interface are arranged outside a box body of the intelligent water meter.
The utility model discloses a power supply management device of intelligent water gauge adopts first power module 11 also to be solar energy power supply for the main power supply, and second power module 12 also is that the power supply of lithium cell group is stand-by power supply, gives flow metering equipment and data teletransmission equipment power supply respectively through power management module 13, can the automatic switch-over to stand-by power supply when the main power electric quantity is not enough, after the main power supply is full of the electric quantity through photovoltaic module 111, automatic switch-over to main power supply once more. The power supply management device of the intelligent water meter can reduce the installation cost and the installation difficulty of a meter reading system, and can be suitable for complicated use environments such as the outdoor environment and the like; the utility model can satisfy the high frequency meter reading requirement of the intelligent water meter and improve the durability of the intelligent water meter; the utility model discloses a main power supply is the solar energy power supply, can solve the power supply problem of the intelligent water gauge in remote area or tourism area that the commercial power can not cover under the conventional conditions effectively, and the solar energy power supply is clean energy, can not produce the pollution to the environment, can also protect the environment when solving intelligent water gauge power supply demand, the energy saving.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a power supply management device of intelligence water gauge which characterized in that includes:
the intelligent water meter power supply system comprises a power supply device (1), wherein the power supply device (1) is used for supplying power to an intelligent water meter, the power supply device (1) comprises a first power module (11), a second power module (12) and a power management module (13), the output end of the first power module (11) and the output end of the second power module (12) are connected with the input end of the power management module (13), the power management module (13) is provided with a processor and a driver connected with the processor, and the processor controls the driver to drive the input end of the power management module (13) to be connected with the first power module (11) or the second power module (12) according to the output voltage of the first power module (11);
the flow metering device (2) is connected with the output end of the power management module (13), and the flow metering device (2) is arranged in the meter body of the intelligent water meter to acquire data of the intelligent water meter;
data remote transmission equipment (3), data remote transmission equipment (3) respectively with the output of power management module (13) reaches flow metering equipment (2) link to each other, data remote transmission equipment (3) are used for receiving the data that flow metering equipment (2) obtained and with this data send to the main control system of intelligent water gauge.
2. A power supply management device of an intelligent water meter according to claim 1, wherein the first power module (11) is a solar power supply module, and the second power module (12) is a lithium battery power supply module.
3. The power supply management device of an intelligent water meter according to claim 1, wherein the processor comprises a voltage detection circuit (131), the driver comprises a power supply switching circuit (132), an input end of the voltage detection circuit (131) is connected with an output end of the first power supply module (11), an input end of the power supply switching circuit (132) is respectively connected with an output end of the voltage detection circuit (131) and an output end of the second power supply module (12), and an output end of the power supply switching circuit (132) is respectively connected with an input end of the flow metering device (2) and an input end of the data remote transmission device (3).
4. A power supply management device of an intelligent water meter according to claim 3, wherein the power supply management module (13) further comprises a voltage conversion circuit (133), an input end of the voltage conversion circuit (133) is connected with an output end of the power switching circuit (132), and an output end of the voltage conversion circuit (133) is respectively connected with an input end of the flow metering device (2) and an input end of the data remote transmission device (3).
5. The power supply management device of an intelligent water meter according to claim 4, wherein the voltage detection circuit (131) is used for detecting the output voltage of the first power module (11), and the voltage conversion circuit (133) is a DC-DC voltage conversion circuit.
6. The power management device of an intelligent water meter as set forth in claim 1, wherein: the flow metering equipment (2) is connected with the data remote transmission equipment (3) through a communication module (4).
7. A power supply management device of an intelligent water meter according to claim 6, characterized in that the communication module (4) has a two-way communication function via a power information network.
8. The power supply management device of an intelligent water meter according to claim 7, wherein the communication module (4) adopts an RS485 communication circuit.
9. A power supply management device of an intelligent water meter as claimed in claim 2, wherein said first power supply module (11) comprises a first power supply controller (110), a photovoltaic module (111) and a storage battery (112), said first power supply controller (110) is connected with said photovoltaic module (111) and said storage battery (112) respectively, said storage battery (112) is charged by said photovoltaic module (111), and said storage battery (112) is used for supplying power to said power supply management module (13).
10. A power supply management arrangement of an intelligent water meter according to claim 9, characterized in that the second power module (12) comprises a plurality of lithium batteries formed by series and/or parallel connected lithium batteries.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921720696.XU CN211042363U (en) | 2019-10-15 | 2019-10-15 | Power supply management device of intelligent water meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720696.XU CN211042363U (en) | 2019-10-15 | 2019-10-15 | Power supply management device of intelligent water meter |
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| CN211042363U true CN211042363U (en) | 2020-07-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304378A (en) * | 2020-11-09 | 2021-02-02 | 湖南常德牌水表制造有限公司 | Power supply management device of intelligent water meter |
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2019
- 2019-10-15 CN CN201921720696.XU patent/CN211042363U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304378A (en) * | 2020-11-09 | 2021-02-02 | 湖南常德牌水表制造有限公司 | Power supply management device of intelligent water meter |
| CN112304378B (en) * | 2020-11-09 | 2024-06-11 | 湖南常德牌水表制造有限公司 | Power supply management device of intelligent water meter |
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