CN217957238U - M-Bus meter reading equipment - Google Patents
M-Bus meter reading equipment Download PDFInfo
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- CN217957238U CN217957238U CN202221745932.5U CN202221745932U CN217957238U CN 217957238 U CN217957238 U CN 217957238U CN 202221745932 U CN202221745932 U CN 202221745932U CN 217957238 U CN217957238 U CN 217957238U
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Abstract
The application discloses M-Bus meter reading equipment which comprises an M-Bus communication module, a meter reading module and a meter reading module, wherein the M-Bus communication module comprises an M-Bus interface and is used for connecting an M-Bus water meter; the single chip microcomputer is connected with the M-Bus communication module; the Bluetooth module is connected with the single chip microcomputer and an external terminal; the power supply module is used for supplying power to the singlechip and the Bluetooth module; the shell comprises a shell body and an upper cover, the shell body is fixedly connected with the upper cover to form a cavity, the cavity is used for placing the M-Bus communication module, the single chip microcomputer, the Bluetooth module and the power module, and the shell is provided with an M-Bus interface. The equipment is connected with an external terminal through a Bluetooth module in an uplink mode, and wireless connection is safer; the lower line is connected with the M-Bus water meter through the M-Bus interface, so that a converter and a channel identifier are reduced, the cost is reduced, and the system is more convenient and efficient.
Description
Technical Field
The application relates to the field of intelligent meter reading, in particular to M-Bus meter reading equipment.
Background
With the maturity of the M-Bus technology, the M-Bus water meter is widely used at present, meter reading equipment for the M-Bus water meter is continuously updated, from the early palm machine to small centralized meter reading equipment to large centralized meter reading equipment such as a commercial power concentrator and a collector, the commercial power concentrator is commonly used in urban areas and new urban areas at present, but a palm machine meter reading mode is still adopted in suburban areas and some old urban areas, users are scattered, the cost of the commercial power concentrator is very high, rewiring of old meters installed in the old urban areas is very difficult and high in cost, and the palm machine needs to be connected with the M-Bus water meter through a converter and a channel identifier to perform meter reading when in use.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application aims to: the equipment is directly connected with the water meter and is convenient for the meter reading of an external terminal.
The application discloses M-Bus equipment of checking meter includes: the M-Bus communication module comprises an M-Bus interface and is used for connecting the M-Bus water meter; the single chip microcomputer is connected with the M-Bus communication module; the Bluetooth module is connected with the singlechip and the external terminal; the power supply module is used for supplying power to the singlechip and the Bluetooth module; the shell comprises a shell body and an upper cover, the shell body is fixedly connected with the upper cover to form a cavity, the cavity is used for placing the M-Bus communication module, the single chip microcomputer, the Bluetooth module and the power module, and the shell is provided with an M-Bus interface.
The fault protection device comprises a power module, a M-Bus communication module and a fault protection module, wherein the fault protection module comprises a current sampling circuit, a voltage comparison unit and an electronic switch, the current sampling circuit is used for detecting current on the M-Bus, the output end of the current sampling circuit is connected with the input end of the voltage comparison unit, the output end of the voltage comparison unit is connected with the control end of the electronic switch, and the electronic switch is arranged between the power module and the M-Bus communication module and used for controlling power supply between the power module and the M-Bus communication module.
Furthermore, the fault protection circuit also comprises an alarm circuit, and the alarm circuit is connected with the output end of the voltage comparison unit.
Further, the alarm circuit is provided with a buzzer, and the buzzer is connected with the voltage comparison unit.
Further comprises a human-computer interaction module which comprises an LED indicating lamp group and a key switch, the LED indicating lamp group is respectively connected with the Bluetooth module, the power supply module and the single chip microcomputer, and the key switch is used for turning on and off the power supply module.
Further, LED pilot lamp group includes electric quantity pilot lamp, power indicator and bluetooth pilot lamp, and electric quantity pilot lamp and power indicator are connected with power module, and bluetooth pilot lamp is connected with bluetooth module.
Further, power module includes charging circuit and lithium cell, and charging circuit and lithium cell are connected, and the lithium cell is connected with singlechip and bluetooth module.
Further, the USB serial port module is further included and connected with the single chip microcomputer and the power supply module.
The embodiment of the application discloses an M-Bus meter reading device, which collects data of an M-Bus water meter through an M-Bus interface, sends the data to a singlechip,
and converting the singlechip signal into a Bluetooth signal through the Bluetooth module and transmitting the Bluetooth signal to an external terminal, so that the meter reading of the M-Bus water meter can be completed. The equipment is connected with an external terminal through a Bluetooth module in an uplink mode, and wireless connection is safer; the lower line is connected with the M-Bus water meter through the M-Bus interface, so that a converter and a channel identifier are reduced, the cost is reduced, and the system is more convenient and efficient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the module distribution of the present application;
fig. 2 is a schematic illustration of the position of the present application.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below through embodiments with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, the application discloses an M-Bus meter reading device which comprises a shell, an M-Bus communication module, a single chip microcomputer, a Bluetooth module, a power module, a human-computer interaction module, a USB serial port module and a fault protection module.
Referring to fig. 2, the device is arranged on an M-Bus and can be connected with external devices, such as intelligent terminals of a mobile phone, a computer and the like, when a user checks meter, the device is started through a human-computer interaction module, a power module starts to supply power to all modules, the user is connected with the intelligent terminal and the device through a Bluetooth module, the user operates the intelligent terminal to send an instruction to a single chip microcomputer, the single chip microcomputer generates a control signal to reach an M-Bus water meter, the M-Bus water meter transmits data back to the single chip microcomputer, the single chip microcomputer generates a feedback signal to the intelligent terminal, and the user can finish meter reading operation.
In some embodiments, the housing includes an upper cover and a housing, the upper cover and the housing are detachably connected, and a cavity is formed between the upper cover and the housing for fixing each module, because the lower portion of the housing is provided with a vent hole in consideration of heat dissipation of each module. The side surface of the shell is provided with a hole with the size of an M-Bus interface.
The M-Bus communication module comprises an M-Bus interface, one end of the M-Bus interface is connected with the single chip microcomputer, and the other end of the M-Bus interface is connected with the M-Bus water meter. The M-Bus interface is used for receiving data of the M-Bus water meter and realizing data interaction between the water meter and the single chip microcomputer.
In some embodiments, the M-Bus interface includes a first connector and a second connector, the first connector is connected with the single chip microcomputer and fixed on the shell, the second connector is connected with the M-Bus water meter Bus, the first connector and the second connector are magnetically connected, and a pole opening on the first connector corresponds to a pole plate on the second connector to realize electric connection.
The man-machine interaction module comprises an LED indicating lamp set and a key switch, the LED indicating lamp set comprises an electric quantity indicating lamp, a power indicating lamp and a Bluetooth indicating lamp, the LED indicating lamp set is arranged on the side edge of the shell and connected with the single chip microcomputer, the key switch is arranged on the lower portion of the shell, rainwater is prevented from entering the cavity through a gap of the key switch, and the key switch is connected with the power module.
The power module comprises a lithium battery, a charging circuit and a charging interface, the charging circuit charges the lithium battery, the charging interface is connected with the charging circuit and arranged on the shell, and the power module is connected with the single chip microcomputer and supplies power for the M-Bus communication module, the Bluetooth module, the single chip microcomputer, the fault protection module and the USB serial port module.
In some embodiments, 4 electric quantity indicating lamps are arranged on the shell side by side, the electric quantity indicating lamps are connected with the power module and the single chip microcomputer, and when the single chip microcomputer detects that the electric quantity of the lithium battery is 75% -100%, the 4 electric quantity indicating lamps are controlled to be normally on; when the single chip microcomputer detects that the electric quantity of the lithium battery is 50% -74%, controlling 3 electric quantity indicating lamps to be normally on; when the single chip microcomputer detects that the electric quantity of the lithium battery is 25% -49%, controlling 2 electric quantity indicating lamps to be normally on; when the single chip microcomputer detects that the electric quantity of the lithium battery is 0% -24%, 1 electric quantity indicating lamp is controlled to be normally on.
In some embodiments, the power indicator is connected with the power module and the key switch and arranged on the shell, when a user presses the key switch for 3 seconds for a long time, the single chip microcomputer controls the power module to supply power, the equipment starts to work, and the power indicator is normally on; when the user presses the key switch for 3 seconds again, the single chip microcomputer controls the power supply module to stop supplying power, the equipment stops working, and the power indicator lamp is turned off;
in some embodiments, the bluetooth indicator light is connected with the bluetooth module and the single chip microcomputer, the bluetooth indicator light is used for displaying the connection state of bluetooth, when the device is in an operating state, the bluetooth waits for connection of the intelligent terminal, the single chip microcomputer controls the bluetooth indicator light to flash, when the bluetooth is successfully connected with the intelligent terminal, the bluetooth indicator light is controlled to be always on, and when the bluetooth is disconnected with the intelligent terminal, the bluetooth indicator light is controlled to flash.
In some embodiments, the fault protection module includes a current sampling circuit, a voltage comparison unit, and an electronic switch. The current sampling circuit is used for detecting current on the M-Bus, the output end of the current sampling circuit is connected with the input end of the voltage comparison unit, the output end of the voltage comparison unit is connected with the control end of the electronic switch, and the electronic switch is arranged between the power supply module and the M-Bus communication module and used for controlling power supply between the power supply module and the M-Bus communication module. When the current sampling circuit detects that the current on the M-Bus exceeds 320mA, a control signal is sent to the voltage comparison unit, the voltage comparison unit controls the electronic switch to be closed, the electronic switch is opened when the current sampling circuit works normally, the power supply module supplies power to the M-Bus communication module normally, and when the voltage comparison unit receives the signal of the current sampling circuit, the electronic switch is closed, and the power supply module stops supplying power to the M-Bus communication module.
In some embodiments, the fault protection circuit further comprises an alarm circuit, the alarm circuit is connected with the output end of the voltage comparison unit, the alarm circuit comprises a buzzer, the buzzer is connected with the voltage comparison unit and the power indicator, when the voltage comparison circuit receives a signal of the current sampling circuit, the voltage comparison circuit controls the power indicator to flash, the buzzer sounds, and the equipment stops working until a user presses a key switch.
In some embodiments, the USB serial port module is provided with a Micro _ USB interface, and when the bluetooth module has a problem, the user may also connect to the single chip via the Micro _ USB interface.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (8)
1. An M-Bus meter reading device, comprising:
the M-Bus communication module comprises an M-Bus interface and is used for connecting the M-Bus water meter;
the single chip microcomputer is connected with the M-Bus communication module;
the Bluetooth module is connected with the single chip microcomputer and an external terminal;
the power supply module is used for supplying power to the singlechip and the Bluetooth module;
the shell comprises a shell body and an upper cover, the shell body is fixedly connected with the upper cover to form a cavity, the cavity is used for placing the M-Bus communication module, the single chip microcomputer, the Bluetooth module and the power module, and an M-Bus interface is arranged on the shell.
2. The M-Bus meter reading device according to claim 1, wherein: still include the fault protection module, the fault protection module includes current sampling circuit, voltage comparison unit, electronic switch, current sampling circuit is used for detecting the electric current on the M-Bus, current sampling circuit's output is connected with voltage comparison unit's input, voltage comparison unit's output with electronic switch's control end is connected, electronic switch sets up between power module and M-Bus communication module for power supply between control power module and the M-Bus communication module.
3. The M-Bus meter reading device according to claim 2, wherein: the fault protection circuit further comprises an alarm circuit, and the alarm circuit is connected with the output end of the voltage comparison unit.
4. The M-Bus meter reading device according to claim 3, wherein: the alarm circuit is provided with a buzzer, and the buzzer is connected with the voltage comparison unit.
5. The M-Bus meter reading device according to claim 1, wherein: the Bluetooth module is characterized by further comprising a human-computer interaction module, the human-computer interaction module comprises an LED indicating lamp set and a key switch, the LED indicating lamp set is respectively connected with the Bluetooth module, the power module and the single chip microcomputer, and the key switch is used for turning on and off the power module.
6. The M-Bus meter reading device according to claim 5, wherein: the LED indicating lamp group comprises an electric quantity indicating lamp, a power indicating lamp and a Bluetooth indicating lamp, the electric quantity indicating lamp and the power indicating lamp are connected with the power module, and the Bluetooth indicating lamp is connected with the Bluetooth module.
7. The M-Bus meter reading device according to claim 1, wherein: the power module comprises a charging circuit and a lithium battery, the charging circuit is connected with the lithium battery, and the lithium battery is connected with the single chip microcomputer and the Bluetooth module.
8. The M-Bus meter reading device according to claim 1, wherein: the USB serial port module is connected with the single chip microcomputer and the power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221745932.5U CN217957238U (en) | 2022-07-05 | 2022-07-05 | M-Bus meter reading equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221745932.5U CN217957238U (en) | 2022-07-05 | 2022-07-05 | M-Bus meter reading equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217957238U true CN217957238U (en) | 2022-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221745932.5U Active CN217957238U (en) | 2022-07-05 | 2022-07-05 | M-Bus meter reading equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217957238U (en) |
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2022
- 2022-07-05 CN CN202221745932.5U patent/CN217957238U/en active Active
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