阅读说明：本技术 一种低功耗的输电线路通信设备 (Power transmission line communication equipment with low power consumption ) 是由 吕江 刘宇明 孙严智 李朝广 罗海林 陈龙 温泉 郁松 崔晨 于 2021-08-30 设计创作，主要内容包括：本发明涉及一种低功耗的输电线路通信设备,属于输电线路技术领域。该设备包括信号输入电路、主控电路、无线发射电路、电源电路和电源管理电路；信号输入电路通过主控电路与无线发射电路连接；电源管理电路分别与信号输入电路、主控电路、电源电路连接；电源电路通过电源管理电路向信号输入电路、主控电路、无线发射电路供电；当电源管理电路检测到信号输入电路有信号输入时,电源管理电路控制电源电路使其向信号输入电路、主控电路、无线发射电路正常供电；当电源管理电路检测到信号输入电路无信号输入时,电源管理电路控制电源电路停止低压供电。本发明设备能够降低通信设备一直在线导致的高能耗,延长通信设备的电源的使用寿命,易于推广应用。(The invention relates to low-power-consumption power transmission line communication equipment, and belongs to the technical field of power transmission lines. The device comprises a signal input circuit, a master control circuit, a wireless transmitting circuit, a power supply circuit and a power supply management circuit; the signal input circuit is connected with the wireless transmitting circuit through the main control circuit; the power management circuit is respectively connected with the signal input circuit, the main control circuit and the power circuit; the power supply circuit supplies power to the signal input circuit, the main control circuit and the wireless transmitting circuit through the power supply management circuit; when the power management circuit detects that a signal is input into the signal input circuit, the power management circuit controls the power circuit to normally supply power to the signal input circuit, the main control circuit and the wireless transmitting circuit; when the power management circuit detects that the signal input circuit has no signal input, the power management circuit controls the power circuit to stop low-voltage power supply. The device can reduce high energy consumption caused by the fact that the communication device is always on line, prolongs the service life of a power supply of the communication device, and is easy to popularize and apply.)

1. A low-power consumption transmission line communication device is characterized in that: the wireless power supply comprises a signal input circuit, a master control circuit, a wireless transmitting circuit, a power supply circuit and a power supply management circuit;

the signal input circuit is connected with the wireless transmitting circuit through the main control circuit; the power management circuit is respectively connected with the signal input circuit, the main control circuit and the power circuit;

the power supply circuit supplies power to the signal input circuit, the main control circuit and the wireless transmitting circuit through the power supply management circuit;

when the power management circuit detects that the signal input circuit has signal input, the power management circuit controls the power circuit to normally supply power to the signal input circuit, the main control circuit and the wireless transmitting circuit, and the signal input circuit, the main control circuit and the wireless transmitting circuit work in a normal working mode; when the power management circuit detects that no signal is input in the signal input circuit for a period of time, the power management circuit controls the power circuit to stop supplying power to the signal input circuit, the main control circuit and the wireless transmitting circuit.

2. The low-power consumption power transmission line communication device according to claim 1, wherein: and when the power supply management circuit detects that no signal is input into the signal input circuit for 3-5 seconds continuously, stopping supplying power.

3. The low-power consumption power transmission line communication device according to claim 1, wherein: the signal input circuit comprises a bias module (10), an isolation module (20), a current limiting module (30), a switch control module (40), a pull-down module (50), a first filtering module (60) and a second filtering module (70);

the one end of isolation module (20) is signal input circuit's input, it connects power management circuit and through second filter module (70) ground connection through biasing module (10), the other end of isolation module (20) passes through current-limiting module (30) and connects the first end of on-off control module (40) and the one end of first filter module (60), the other end of first filter module (60) and the second end of on-off control module (40) connect power management circuit, the third end of on-off control module (40) is the output and connects main control circuit, the third end of on-off control module (40) is through pull-down module (50) ground connection.

4. The low-power consumption power transmission line communication device according to claim 3, wherein: the switch control module (40) comprises a triode Q1 and a resistor R1, one end of the resistor R1 is the first end of the switch control module (40) and is connected with the base electrode of the triode Q1, and the other end of the resistor R1 is connected with the power management circuit; the emitter of the triode Q1 is the second end of the switch control module (40) and is connected with the power management circuit, and the collector of the triode Q1 is the third end of the switch control module (40);

the isolation module (20) comprises a diode D1, the current limiting module (30) comprises a resistor R2, one end of the resistor R2 is connected with the base of the triode Q1 and one end of the first filtering module (60), the other end of the resistor R2 is connected with the anode of a diode D1, and the cathode of the diode D1 is the input end of the signal input circuit;

the third end of the switch control module (40) is connected with the main control circuit and the power management circuit;

the second filtering module (70) comprises a capacitor C2, one end of the capacitor C2 is connected with the cathode of a diode D1, and one end of a capacitor C2 is grounded;

the bias module (10) comprises a resistor R3, one end of the resistor R3 is connected with the power management circuit, and the other end of the resistor R3 is connected with the cathode of a diode D1;

the pull-down module (50) comprises a resistor R4, one end of the resistor R4 is connected with the collector of the triode Q1, and the other end of the resistor R4 is grounded.

5. The low-power consumption power transmission line communication device according to claim 4, wherein: the triode Q1 is a PNP triode.

6. The low-power consumption power transmission line communication device according to claim 3 or 4, wherein: the third end of the switch control module (40) is grounded through the indicating module (80); the indicating module (80) comprises an LED and a resistor R5, wherein the anode of the LED is connected with the collector of the triode Q1, and the cathode of the LED is grounded through the resistor R5.

7. The low-power consumption power transmission line communication device according to claim 1, wherein: the wireless transmitting circuit comprises an oscillating module and a transmitting module connected with the output end of the oscillating module, and the oscillating module is connected with the main control circuit;

the oscillation module comprises a resistor R6, a resistor R7, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8 and an inductor L1, the power management circuit is connected with one end of the capacitor C5, one end of the resistor R6 and one end of the capacitor C6, the other end of the capacitor C5 is connected with one end of the inductor L1, the other end of the inductor L1 is connected with one end of the capacitor C7, the other end of the resistor R6 is respectively connected with the other end of the capacitor C6, the other end of the capacitor C7, one end of the capacitor C8 and one end of the resistor R7, the other end of the resistor R7 is grounded, the other end of the capacitor C8 is further connected to the master control circuit, and the other end of the capacitor C7 is connected with the emission module;

the transmitting module comprises a capacitor C9 and a radio frequency antenna A1, and the radio frequency antenna A1 is connected with the other end of the capacitor C7 through the capacitor C9.

8. The low-power consumption power transmission line communication device according to claim 1, wherein: the power supply circuit includes a battery.

9. The low-power consumption power transmission line communication device according to claim 1, wherein: the main control circuit is a single chip microcomputer.

10. The low-power consumption power transmission line communication device according to claim 1, wherein: the solar charging circuit is connected with the power supply circuit through the power supply management circuit.

Technical Field

The invention belongs to the technical field of power transmission lines, and particularly relates to low-power-consumption power transmission line communication equipment.

Background

With the development of the smart grid concept, image monitoring or sensing monitoring of the conditions on two sides of the power transmission line has become a common situation. At present, data acquisition is generally performed by adding a camera or a sensor to a power transmission line tower, and then the acquired data is transmitted to a remote center through an additional communication device.

The added communication equipment is generally self-powered by a power supply carried by the communication equipment, and the problem that how to reduce the power consumption of the communication equipment as much as possible to prolong the service life of the communication equipment is a problem to be solved urgently in the prior art is considered that the application situation of the communication equipment is generally that the communication equipment is located in a remote area and the power supply is inconvenient to replace.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides the low-power-consumption power transmission line communication equipment, which can start to transmit signals only when the input of the signals is monitored, and compared with the prior art, the low-power-consumption power transmission line communication equipment can reduce high energy consumption caused by the fact that the communication equipment is always on line and prolong the service life of a power supply of the communication equipment.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a low-power-consumption power transmission line communication device comprises a signal input circuit, a master control circuit, a wireless transmitting circuit, a power supply circuit and a power supply management circuit;

the signal input circuit is connected with the wireless transmitting circuit through the main control circuit; the power management circuit is respectively connected with the signal input circuit, the main control circuit and the power circuit;

the power supply circuit supplies power to the signal input circuit, the main control circuit and the wireless transmitting circuit through the power supply management circuit;

when the power management circuit detects that the signal input circuit has signal input, the power management circuit controls the power circuit to normally supply power to the signal input circuit, the main control circuit and the wireless transmitting circuit, and the signal input circuit, the main control circuit and the wireless transmitting circuit work in a normal working mode; when the power management circuit detects that no signal is input in the signal input circuit for a period of time, the power management circuit controls the power circuit to stop supplying power to the signal input circuit, the main control circuit and the wireless transmitting circuit.

Further, it is preferable that the power supply is stopped when the power management circuit detects that no signal is input to the signal input circuit for 3 to 5 seconds continuously.

Further, preferably, the signal input circuit includes a bias module, an isolation module, a current limiting module, a switch control module, a pull-down module, a first filtering module and a second filtering module;

one end of the isolation module is an input end of the signal input circuit, the isolation module is connected with the power management circuit through the bias module and is grounded through the second filtering module, the other end of the isolation module is connected with the first end of the switch control module and one end of the first filtering module through the current limiting module, the other end of the first filtering module and the second end of the switch control module are connected with the power management circuit, the third end of the switch control module is an output end and is connected with the main control circuit, and the third end of the switch control module is grounded through the pull-down module.

Further, preferably, the switch control module includes a transistor Q1 and a resistor R1, one end of the resistor R1 is the first end of the switch control module and is connected to the base of the transistor Q1, and the other end of the resistor R1 is connected to the power management circuit; the emitter of the triode Q1 is the second end of the switch control module and is connected with the power management circuit, and the collector of the triode Q1 is the third end of the switch control module;

the isolation module comprises a diode D1, the current limiting module comprises a resistor R2, one end of the resistor R2 is connected with the base of the triode Q1 and one end of the first filtering module, the other end of the resistor R2 is connected with the anode of a diode D1, and the cathode of the diode D1 is the input end of the signal input circuit;

the third end of the switch control module is connected with the main control circuit and the power management circuit;

the second filtering module comprises a capacitor C2, one end of the capacitor C2 is connected with the cathode of the diode D1, and one end of the capacitor C2 is grounded;

the bias module comprises a resistor R3, one end of the resistor R3 is connected with the power management circuit, and the other end of the resistor R3 is connected with the cathode of a diode D1;

the pull-down module comprises a resistor R4, one end of the resistor R4 is connected with the collector of the transistor Q1, and the other end of the resistor R4 is grounded.

Further, preferably, the transistor Q1 is a PNP transistor.

Further, it is preferable that the switch control device further comprises an indication module 80, and a third end of the switch control module is grounded through the indication module 80; the indicating module 80 comprises an LED and a resistor R5, wherein the anode of the LED is connected with the collector of the triode Q1, and the cathode of the LED is grounded through a resistor R5.

Further, preferably, the wireless transmitting circuit includes an oscillating module and a transmitting module connected to an output end of the oscillating module, and the oscillating module is connected to the main control circuit;

the oscillation module comprises a resistor R6, a resistor R7, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8 and an inductor L1, the power management circuit is connected with one end of the capacitor C5, one end of the resistor R6 and one end of the capacitor C6, the other end of the capacitor C5 is connected with one end of the inductor L1, the other end of the inductor L1 is connected with one end of the capacitor C7, the other end of the resistor R6 is respectively connected with the other end of the capacitor C6, the other end of the capacitor C7, one end of the capacitor C8 and one end of the resistor R7, the other end of the resistor R7 is grounded, the other end of the capacitor C8 is further connected to the master control circuit, and the other end of the capacitor C7 is connected with the emission module;

the transmitting module comprises a capacitor C9 and a radio frequency antenna A1, and the radio frequency antenna A1 is connected with the other end of the capacitor C7 through the capacitor C9.

Further, it is preferable that the power supply circuit includes a secondary battery.

Further, preferably, the main control circuit is a single chip microcomputer.

Further, preferably, the solar charging system further comprises a solar charging circuit, and the solar charging circuit is connected with the power supply circuit through the power supply management circuit.

Compared with the prior art, the invention has the beneficial effects that:

the low-power-consumption power transmission line communication equipment provided by the invention starts to transmit the signal only when the signal input is monitored, and compared with the prior art, the low-power-consumption power transmission line communication equipment can reduce high energy consumption caused by the fact that the communication equipment is always on line and prolong the service life of a power supply of the communication equipment.

Drawings

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 that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a power transmission line communication device with low power consumption.

Fig. 2 is a schematic diagram of a signal input circuit.

Fig. 3 is a schematic structural diagram of a wireless transmitting circuit.

Detailed Description

The present invention will be described in further detail with reference to examples.

It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The materials or equipment used are not indicated by manufacturers, and all are conventional products available by purchase.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "provided" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The embodiment of the invention provides the low-power-consumption power transmission line communication equipment, which can start to transmit the signal only when the signal input is monitored, and compared with the prior art, the high energy consumption caused by the fact that the communication equipment is always on line can be reduced, and the service life of a power supply of the communication equipment is prolonged.

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the 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 invention.

As shown in fig. 1 to 3, a low power consumption power transmission line communication device includes a signal input circuit, a main control circuit, a wireless transmitting circuit, a power circuit, and a power management circuit;

the signal input circuit is connected with the wireless transmitting circuit through the main control circuit; the power management circuit is respectively connected with the signal input circuit, the main control circuit and the power circuit;

the power supply circuit supplies power to the signal input circuit, the main control circuit and the wireless transmitting circuit through the power supply management circuit;

when the power management circuit detects that the signal input circuit has signal input, the power management circuit controls the power circuit to normally supply power to the signal input circuit, the main control circuit and the wireless transmitting circuit, and the signal input circuit, the main control circuit and the wireless transmitting circuit work in a normal working mode; when the power management circuit detects that no signal is input in the signal input circuit for a period of time, the power management circuit controls the power circuit to stop supplying power to the signal input circuit, the main control circuit and the wireless transmitting circuit.

Preferably, the power supply is stopped when the power management circuit detects that no signal is input to the signal input circuit for 3 to 5 seconds continuously.

Preferably, the signal input circuit includes a bias module 10, an isolation module 20, a current limiting module 30, a switch control module 40, a pull-down module 50, a first filtering module 60 and a second filtering module 70;

one end of the isolation module 20 is an input end of a signal input circuit, the isolation module is connected with a power management circuit through the bias module 10 and is grounded through the second filtering module 70, the other end of the isolation module 20 is connected with a first end of the switch control module 40 and one end of the first filtering module 60 through the current limiting module 30, the other end of the first filtering module 60 and a second end of the switch control module 40 are connected with the power management circuit, a third end of the switch control module 40 is an output end and is connected with the main control circuit, and a third end of the switch control module 40 is grounded through the pull-down module 50.

Preferably, the switch control module 40 includes a transistor Q1 and a resistor R1, one end of the resistor R1 is the first end of the switch control module 40 and is connected to the base of the transistor Q1, and the other end of the resistor R1 is connected to the power management circuit; the emitter of the transistor Q1 is the second terminal of the switch control module 40, connected to the power management circuit, and the collector of the transistor Q1 is the third terminal of the switch control module 40;

the isolation module 20 comprises a diode D1, the current limiting module 30 comprises a resistor R2, one end of the resistor R2 is connected to the base of the transistor Q1 and one end of the first filtering module 60, the other end of the resistor R2 is connected to the anode of a diode D1, and the cathode of the diode D1 is an input end of the signal input circuit;

the third end of the switch control module 40 is connected with the main control circuit and the power management circuit;

the second filtering module 70 comprises a capacitor C2, one end of the capacitor C2 is connected to the cathode of the diode D1, and one end of the capacitor C2 is grounded;

the bias module 10 comprises a resistor R3, one end of the resistor R3 is connected with the power management circuit, and the other end of the resistor R3 is connected with the cathode of a diode D1;

the pull-down module 50 includes a resistor R4, one end of the resistor R4 is connected to the collector of the transistor Q1, and the other end of the resistor R4 is grounded.

Preferably, the transistor Q1 is a PNP transistor.

Preferably, the switch control device further comprises an indication module 80, and the third end of the switch control module 40 is grounded through the indication module 80; the indicating module 80 comprises an LED and a resistor R5, wherein the anode of the LED is connected with the collector of the triode Q1, and the cathode of the LED is grounded through a resistor R5.

Preferably, the wireless transmitting circuit comprises an oscillating module and a transmitting module connected with the output end of the oscillating module, and the oscillating module is connected with the main control circuit;

the oscillation module comprises a resistor R6, a resistor R7, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8 and an inductor L1, the power management circuit is connected with one end of the capacitor C5, one end of the resistor R6 and one end of the capacitor C6, the other end of the capacitor C5 is connected with one end of the inductor L1, the other end of the inductor L1 is connected with one end of the capacitor C7, the other end of the resistor R6 is respectively connected with the other end of the capacitor C6, the other end of the capacitor C7, one end of the capacitor C8 and one end of the resistor R7, the other end of the resistor R7 is grounded, the other end of the capacitor C8 is further connected to the master control circuit, and the other end of the capacitor C7 is connected with the emission module;

the transmitting module comprises a capacitor C9 and a radio frequency antenna A1, and the radio frequency antenna A1 is connected with the other end of the capacitor C7 through the capacitor C9.

Preferably, the power supply circuit includes a battery.

Preferably, the main control circuit is a single chip microcomputer.

Preferably, the solar charging system further comprises a solar charging circuit, and the solar charging circuit is connected with the power supply circuit through the power supply management circuit.

The first filtering module 60 and the second filtering module 70 are configured to filter interference signals, specifically, to filter interference of high-frequency signals; the switch control module 40 is used for turning off the output when the input voltage is higher than the preset voltage, so as to protect the rear-stage circuit; the isolation module 20 is used for isolating the high-voltage input to the signal input circuit; the bias module 10 is used for providing bias current and enhancing the anti-interference capability of the signal input circuit; the current limiting module 30 is used for limiting the input current of the switch control module and preventing the switch control module 40 from being damaged; the pull-down module 50 is used to ensure that the signal input circuit outputs a low level when the switch control module 40 is turned off.

In the process of transmitting radio waves, the oscillation module is used for generating carrier frequency signals, and then the signals are modulated by the transmission module and transmitted after being amplified by carrier frequency.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.