CN214281666U - Power multi-service access terminal based on NB-IoT - Google Patents
Power multi-service access terminal based on NB-IoT Download PDFInfo
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- CN214281666U CN214281666U CN202022965921.5U CN202022965921U CN214281666U CN 214281666 U CN214281666 U CN 214281666U CN 202022965921 U CN202022965921 U CN 202022965921U CN 214281666 U CN214281666 U CN 214281666U
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Abstract
The utility model provides an electric power multiservice access terminal based on NB-IoT, including wireless communication chip, NB-IoT module, encryption chip, controller, pilot lamp, exhaust fan, be equipped with a plurality of communication interfaces on the wireless communication chip, a plurality of communication interfaces are connected with a plurality of business terminals respectively; the first input end of the NB-IoT module is connected with the output end of the wireless communication chip, and the first output end of the NB-IoT module is connected with the input end of the encryption chip; the output end of the encryption chip is connected with the second input end of the NB-IoT module, and the second output end of the NB-IoT module is connected with the input end of the wireless communication chip; the indicator light is connected with the NB-IoT module; the controller is connected with the indicator light; the exhaust fan is connected with the controller and faces the NB-IoT module. The heat condition in the NB-IoT module can be detected in time, heat is dissipated in time, and the working stability of the NB-IoT module is improved.
Description
Technical Field
The utility model relates to a wireless communication technical field especially relates to an electric power multiservice access terminal based on NB-IoT.
Background
With the continuous extension of a communication smart power grid from a power grid side to a user side, novel service expansion is deepened day by day, the requirement of a provincial company on the number of terminal access is expanded to a 10kV power distribution system with the order of one hundred thousand and a user terminal with the order of one million even hundred million from an original transformer substation, and therefore mass terminal communication is a problem which needs to be solved urgently by the current power communication network. At present, the terminal communication network mainly adopts optical fibers and an LTE wireless technology to mainly solve the problems that a large number of signals of service points located indoors, in basements, in pipe wells and in buildings sheltered from the environment are weak or have signal blind areas, the deep coverage capability is weak, the user capacity is small and the like.
At present, the problems are solved through NB-IoT communication, wherein NB-IoT is an emerging technology in the IoT field, cellular data connection of low-power-consumption equipment in a wide area network is supported, the technology is also called as the low-power-consumption wide area network, and the NB-IoT supports efficient connection of equipment with long standby time and high requirement on network connection. NB-IoT device battery life can be improved by at least 10 years while still providing very comprehensive indoor cellular data connection coverage.
However, the existing NB-IoT module has a poor heat dissipation effect when in use, and is prone to crosstalk, thereby reducing the accuracy and stability of data transmission.
Therefore, there is a need to develop an NB-IoT-based power multiservice access terminal, which can detect the heat condition in the NB-IoT module in time, dissipate heat in time, and improve the working stability of the NB-IoT module.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.
Therefore, the utility model provides an electric power multiservice access terminal based on NB-IoT.
In view of this, the utility model provides an electric power multiservice access terminal based on NB-IoT, electric power multiservice access terminal based on NB-IoT includes:
the wireless communication chip is provided with a plurality of communication interfaces which are respectively connected with a plurality of service terminals;
the first input end of the NB-IoT module is connected with the output end of the wireless communication chip, and the first output end of the NB-IoT module is connected with the input end of the encryption chip;
the output end of the encryption chip is connected with the second input end of the NB-IoT module, and the second output end of the NB-IoT module is connected with the input end of the wireless communication chip;
an indicator light connected with the NB-IoT module;
the controller is connected with the indicator light;
an exhaust fan connected with the controller, the exhaust fan facing the NB-IoT module;
the indicating lamp is turned on, the controller receives an indicating lamp signal, the controller controls the exhaust fan to work, the indicating lamp is turned off, the controller is disconnected, and the exhaust fan stops working.
Further, the NB-IoT based power multiservice access terminal further includes:
and the power supply is connected with the NB-IoT module and supplies power to the NB-IoT module, and a power supply filter is arranged between the power supply and the NB-IoT module.
Further, the NB-IoT based power multiservice access terminal further includes:
and the display is connected with the wireless communication chip.
Further, the NB-IoT module includes a plurality of low-pass filter lines and a plurality of high-pass filter lines.
Further, the low-pass filtering circuit includes:
the input end of the low-pass filter is connected with the output end of the wireless communication chip, the output end of the low-pass filter is connected with the first input end of the first band-pass filter, the first output end of the first band-pass filter is connected with the input end of the encryption chip, the output end of the encryption chip is connected with the second input end of the first band-pass filter, and the second output end of the first band-pass filter is connected with the input end of the wireless communication chip.
Further, the high-pass filter circuit includes:
high pass filter and second band pass filter, high pass filter's input with wireless communication chip's output is connected, high pass filter's output is connected with second band pass filter's first input, second band pass filter's first output with encrypt the input of chip and connect, encrypt the chip the output with second band pass filter's second input is connected, second band pass filter's second output with wireless communication chip's input is connected.
Furthermore, temperature sensors are arranged on the plurality of low-pass filtering lines and the plurality of high-pass filtering lines.
Further, the indicator light is connected with the temperature sensor.
The utility model provides a technical scheme can include following beneficial effect:
the controller is connected with the indicator light, the exhaust fan is controlled to be turned on and off through the controller, heat dissipation is carried out or stopped according to the heat condition of the NB-IoT module, and the working stability and reliability of the NB-IoT module are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 shows a schematic diagram of an NB-IoT based power multiservice access terminal according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of an NB-IoT module in accordance with an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
the wireless communication device comprises a wireless communication chip 1, a 2NB-IoT module, a 201 low-pass filter, a 202 first band-pass filter, a 203 high-pass filter, a 204 second band-pass filter, a 205 temperature sensor, a 3 encryption chip, a 4 indicator light, a 5 controller, a 6 exhaust fan, a 7 power supply, an 8 power supply filter and a 9 display.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Example 1
Fig. 1 shows a schematic diagram of an NB-IoT based power multiservice access terminal according to an embodiment of the present invention.
As shown in fig. 1, the present embodiment proposes an NB-IoT based power multiservice access terminal, which includes:
the wireless communication chip 1 is provided with a plurality of communication interfaces, and the communication interfaces are respectively connected with a plurality of service terminals;
the first input end of the NB-IoT module 2 is connected with the output end of the wireless communication chip 1, and the first output end of the NB-IoT module 2 is connected with the input end of the encryption chip 3;
the output end of the encryption chip 3 is connected with the second input end of the NB-IoT module 2, and the second output end of the NB-IoT module 2 is connected with the input end of the wireless communication chip 1;
the indicator lamp 4 is connected with the NB-IoT module 2;
the controller 5 is connected with the indicator lamp 4;
an exhaust fan 6 connected to the controller 5, the exhaust fan 6 facing the NB-IoT module 2;
wherein, pilot lamp 4 is bright, and 4 signals of pilot lamp are received to controller 5, and 6 work of exhaust fan of controller 5 control, and pilot lamp 4 goes out, and controller 5 disconnection, exhaust fan 6 stop work.
Receive the signal in the NB-loT module through pilot lamp 4, when the signal reaches the critical standard of pilot lamp 4, then pilot lamp 4 is bright, the pilot lamp 4 signal is received to controller 5, controller 5 control exhaust fan 6 work, when the signal in the NB-loT module is less than the critical standard of pilot lamp 4, pilot lamp 4 goes out, controller 5 disconnection, exhaust fan 6 stop working, can in time detect the heat condition in NB-IoT module 2, in time dispel the heat, improve NB-IoT module 2's job stabilization nature.
Further, the NB-IoT based power multiservice access terminal further includes:
and the power supply 7 is connected with the NB-IoT module 2 and supplies power to the NB-IoT module 2, and a power supply filter 8 is arranged between the power supply 7 and the NB-IoT module 2.
The power supply 7 supplies power to the NB-IoT module 2, and the power supply filter 8 is arranged between the power supply 7 and the NB-IoT module 2 and is used for filtering a power supply signal of the power supply 7, so that the stability of an input signal of the power supply 7 is ensured, and the sensitivity of the NB-IoT module 2 for receiving the signal is increased.
Further, the NB-IoT based power multiservice access terminal further includes:
the display 9 is connected to the wireless communication chip 1.
When a plurality of service terminals access a plurality of communication interfaces of the wireless communication chip 1 to acquire electric quantity, metering and handheld terminal information, the acquired information is transmitted to the NB-loT module 2 to be processed, the NB-loT module 2 transmits the processed data to the encryption chip 3 to be encrypted, and then the data is transmitted to the display 9 through the wireless communication chip 1, so that subsequent observation and processing work is facilitated.
Example 2
Fig. 2 shows a schematic diagram of an NB-IoT module in accordance with an embodiment of the present invention.
As shown in fig. 2, in embodiment 1, the NB-IoT module 2 of the present embodiment includes a plurality of low-pass filter lines and a plurality of high-pass filter lines.
By arranging the low-pass filtering circuit and the high-pass filtering circuit, the plurality of service terminals transmit signals according to different passband frequency ranges, and the stability and the accuracy of signal transmission are improved.
Further, the low-pass filtering circuit includes:
the input end of the low-pass filter 201 is connected with the output end of the wireless communication chip 1, the output end of the low-pass filter 201 is connected with the first input end of the first band-pass filter 202, the first output end of the first band-pass filter 202 is connected with the input end of the encryption chip 3, the output end of the encryption chip 3 is connected with the second input end of the first band-pass filter 202, and the second output end of the first band-pass filter 202 is connected with the input end of the wireless communication chip 1.
By the arrangement of the low-pass filter 201 and the first band-pass filter 202, the unwanted frequencies are removed, while the harmful harmonics still present are removed by the first band-pass filter 202.
Further, the high-pass filter circuit includes:
the input end of the high-pass filter 203 is connected with the output end of the wireless communication chip 1, the output end of the high-pass filter 203 is connected with the first input end of the second band-pass filter 204, the first output end of the second band-pass filter 204 is connected with the input end of the encryption chip 3, the output end of the encryption chip 3 is connected with the second input end of the second band-pass filter 204, and the second output end of the second band-pass filter 204 is connected with the input end of the wireless communication chip 1.
By means of the arrangement of the rough-pass filter and the second band-pass filter 204, unwanted frequencies are removed, while harmful harmonics still present are removed by means of the second filter.
Through the low-pass filtering circuit and the high-pass filtering circuit, the quality of signals is improved, and the working stability and reliability of the NB-IoT module 2 are further improved.
Further, a plurality of low-pass filter lines and a plurality of high-pass filter lines are provided with temperature sensors 205.
The indicator lamp 4 is connected to the temperature sensor 205.
Receive temperature sensor 205's signal through pilot lamp 4, acquire the temperature signal of low pass filter circuit and high pass filter circuit, when the temperature signal who acquires is higher than the temperature critical value of settlement, pilot lamp 4 is bright, and then control exhaust fan 6 work, and to NB-IoT module 2 cooling of dispelling the heat, when the temperature signal who acquires is less than the temperature critical value of settlement, pilot lamp 4 goes out, and exhaust fan 6 stops work.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (8)
1. An NB-IoT based power multiservice access terminal, the NB-IoT based power multiservice access terminal comprising:
the wireless communication chip is provided with a plurality of communication interfaces which are respectively connected with a plurality of service terminals;
the first input end of the NB-IoT module is connected with the output end of the wireless communication chip, and the first output end of the NB-IoT module is connected with the input end of the encryption chip;
the output end of the encryption chip is connected with the second input end of the NB-IoT module, and the second output end of the NB-IoT module is connected with the input end of the wireless communication chip;
an indicator light connected with the NB-IoT module;
the controller is connected with the indicator light;
an exhaust fan connected with the controller, the exhaust fan facing the NB-IoT module;
the indicating lamp is turned on, the controller receives an indicating lamp signal, the controller controls the exhaust fan to work, the indicating lamp is turned off, the controller is disconnected, and the exhaust fan stops working.
2. The NB-IoT based power multiservice access terminal of claim 1, wherein the NB-IoT based power multiservice access terminal further comprises:
and the power supply is connected with the NB-IoT module and supplies power to the NB-IoT module, and a power supply filter is arranged between the power supply and the NB-IoT module.
3. The NB-IoT based power multiservice access terminal of claim 1, wherein the NB-IoT based power multiservice access terminal further comprises:
and the display is connected with the wireless communication chip.
4. The NB-IoT based power multiservice access terminal of claim 1, wherein the NB-IoT module comprises a plurality of low pass filter lines and a plurality of high pass filter lines.
5. An NB-IoT based power multiservice access terminal according to claim 4, characterized in that the low pass filtering circuitry comprises:
the input end of the low-pass filter is connected with the output end of the wireless communication chip, the output end of the low-pass filter is connected with the first input end of the first band-pass filter, the first output end of the first band-pass filter is connected with the input end of the encryption chip, the output end of the encryption chip is connected with the second input end of the first band-pass filter, and the second output end of the first band-pass filter is connected with the input end of the wireless communication chip.
6. An NB-IoT based power multiservice access terminal according to claim 4, wherein the high pass filtering circuitry comprises:
high pass filter and second band pass filter, high pass filter's input with wireless communication chip's output is connected, high pass filter's output is connected with second band pass filter's first input, second band pass filter's first output with encrypt the input of chip and connect, encrypt the chip the output with second band pass filter's second input is connected, second band pass filter's second output with wireless communication chip's input is connected.
7. The NB-IoT based power multiservice access terminal of claim 4, wherein a plurality of the low pass filter lines and a plurality of the high pass filter lines are provided with temperature sensors.
8. An NB-IoT based power multiservice access terminal in accordance with claim 7, wherein the indicator light is coupled to the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965921.5U CN214281666U (en) | 2020-12-10 | 2020-12-10 | Power multi-service access terminal based on NB-IoT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965921.5U CN214281666U (en) | 2020-12-10 | 2020-12-10 | Power multi-service access terminal based on NB-IoT |
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| Publication Number | Publication Date |
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| CN214281666U true CN214281666U (en) | 2021-09-24 |
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| CN202022965921.5U Active CN214281666U (en) | 2020-12-10 | 2020-12-10 | Power multi-service access terminal based on NB-IoT |
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