阅读说明：本技术 水下装备的低功耗卫星定位主动示位电路及其控制方法 (Low-power-consumption satellite positioning active position indicating circuit of underwater equipment and control method thereof ) 是由 王健 李�瑞 丁高林 赵锋 梁勇 白翼虎 赵佩怡 张晓艳 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种水下装备的低功耗卫星定位主动示位电路及其控制方法,解决了如何低功耗完成水下装备的卫星定位和主动示位的技术问题。在水下装备中的北斗卫星接受器的电源接通电路上,设置通和断的控制电路,当装备定位及示位信号发出后,通过电控制信号切断电源,以减少水下装备的电源消耗,或采用断续供电的方式,以降低装备的电消耗；输出“启动定位”信号后,继电器完成触头组转换,卫星接收器和GPRS模块正极接入电源VCC,开始接收卫星信号,自行完成定位后；输出“关闭定位”信号后,继电器完成触头组复位(初始化),卫星接收器和GPRS模块正极与VCC电源切断,停止工作,降低功耗。(The invention discloses a low-power-consumption satellite positioning active position indicating circuit of underwater equipment and a control method thereof, and solves the technical problem of how to complete satellite positioning and active position indicating of the underwater equipment with low power consumption. The power supply on-off control circuit is arranged on a power supply on-off circuit of a Beidou satellite receiver in the underwater equipment, and after the positioning and position indicating signals of the equipment are sent out, the power supply is cut off through an electric control signal so as to reduce the power supply consumption of the underwater equipment or reduce the power consumption of the equipment by adopting an intermittent power supply mode; after outputting a 'start positioning' signal, the relay completes the contact group conversion, the satellite receiver and the positive pole of the GPRS module are connected to a power supply VCC, the satellite signal is started to be received, and the positioning is automatically completed; after the 'positioning closing' signal is output, the relay completes the resetting (initialization) of the contact group, the satellite receiver and the positive pole of the GPRS module are cut off from the VCC power supply, the work is stopped, and the power consumption is reduced.)

1. A low-power-consumption satellite positioning active position indicating circuit of underwater equipment comprises a Beidou satellite (U1), a Beidou satellite signal receiver (D1) in the underwater equipment, a GPRS module (D2), a target mobile phone (D3), a receiver power supply (VCC), a control circuit power supply (VDD), a single-pole double-throw switch relay, a first triode (V1) and a second triode (V2), wherein the single-pole double-throw switch relay is provided with a front exciting coil (J1), a rear exciting coil (J2), a common end (e) of a single-pole double-throw switch, a normally closed end (g) of the single-pole double-throw switch and a normally open end (f) of the single-pole double-throw switch, and is characterized in that the power supply input end of the Beidou satellite signal receiver (D1) and the power supply input end of the module (D2) are connected in parallel and then connected with the common end (e) of the GPRS single-pole double-throw switch, and the normally open end (f) of the single-pole double-throw switch is connected with the receiver power supply, the base of the first triode (V1) is connected with the starting positioning signal input end (W1) through a first resistor (R1), the emitter of the first triode (V1) is grounded, the collector of the first triode (V1) is connected with one end (a) of the front exciting coil (J1), the other end (b) of the front exciting coil (J1) is connected with the control circuit power supply (VDD), the base of the second triode (V2) is connected with the closing positioning signal input end (W2) through a second resistor (R2), the emitter of the second triode (V2) is grounded, the collector of the second triode (V2) is connected with one end (d) of the rear exciting coil (J2), and the other end (c) of the rear exciting coil (J2) is connected with the control circuit power supply (VDD).

2. The active position indicating circuit for low-power-consumption satellite positioning of underwater equipment as claimed in claim 1, characterized in that the GPRS module (D2) is connected with the Beidou satellite signal receiver (D1) through an RS232 bus, and the GPRS module (D2) is wirelessly connected with the target mobile phone (D3) through a GPRS network.

3. The control method of the low-power-consumption satellite positioning active position indicating circuit of the underwater equipment as claimed in claim 2, characterized by the following steps:

firstly, inputting a positioning starting high level signal on a positioning starting signal input end (W1), connecting a first triode (V1) with a power on front exciting coil (J1), enabling a chopper switch in a single-pole double-throw switch relay to act, connecting a public end (e) with a normally open end (f), starting a receiver power supply (VCC) to supply power to a Beidou satellite signal receiver (D1) and a GPRS module (D2), transmitting a positioning and active position indicating signal to the GPRS module (D2) through an RS232 bus after the Beidou satellite signal receiver (D1) receives a signal of a Beidou satellite (U1), and transmitting the positioning and active position indicating signal to a target mobile phone (D3) through a GPRS network by the GPRS module (D2);

and secondly, after the Beidou satellite signal receiver (D1) completes positioning and active position indicating signal transmission, a positioning signal input end (W2) is closed, a high level of an input closing positioning signal is input, a second triode (V2) is conducted, a rear exciting coil (J2) is electrified, a hand hay cutter switch in the single-pole double-throw switch relay acts, a public end (e) and a normally open end (f) are disconnected, the public end (e) and the normally closed end (g) are switched to a position, a power supply of the Beidou satellite signal receiver (D1) and a power supply of a GPRS module (D2) are cut off, the output of a power supply (VCC) of the receiver is stopped, and the purpose of low power consumption is achieved.

Technical Field

The invention relates to a low-power-consumption satellite positioning active position indicating circuit, in particular to a low-power-consumption satellite positioning active position indicating circuit based on underwater equipment and a control method.

Background

For a positioner and a recovery position indicating system of underwater equipment, modes such as light indication, smoke alarm, GPS combined radio position indication, Beidou message communication and the like are common, and the positioning and recovery position indicating modes have advantages and disadvantages and are mainly embodied in the following aspects: (1) for the lighting and smoke positioning alarm mode, the observation is mainly carried out by naked eyes, the position indicating distance is greatly limited, and the working time is short; (2) for the GPS combined radio position indicating mode, GPS position information needs to be provided with a transmitter of a high-power amplifier unit, energy consumption is large, and the radio transmitting distance is not more than 10 kilometers; (3) for the Beidou message communication mode, although the position indicating distance is not limited, the Beidou transmitting module still has the problems of large transmitting power consumption and high cost, the transmitting instant power consumption can reach more than 40 watts and is limited by underwater equipment space, and the continuous working time cannot exceed 7 days; therefore, an ultra-low power consumption satellite positioning and active position indicating circuit based on underwater equipment needs to be designed on site, has the characteristics of low power consumption, small size, low cost, strong universality and the like, can perform long-time, long-distance, real-time tracking and active position indicating tasks on the underwater equipment, and greatly improves the safety guarantee time of the underwater equipment.

Disclosure of Invention

The invention provides a low-power-consumption satellite positioning active position indicating circuit of underwater equipment and a control method thereof, and solves the technical problem of how to complete satellite positioning and active position indicating of the underwater equipment with low power consumption.

The invention solves the technical problems by the following technical scheme:

the general concept of the invention is as follows: the power supply switching circuit of the Beidou satellite receiver in the underwater equipment is provided with a switching-on and switching-off control circuit, and after the equipment positioning and position indicating signals are sent, the power supply is switched off through an electric control signal so as to reduce the power supply consumption of the underwater equipment, or the power supply is intermittently supplied so as to reduce the power consumption of the equipment.

A low-power-consumption satellite positioning active position indicating circuit of underwater equipment comprises a Beidou satellite, a Beidou satellite signal receiver in the underwater equipment, a GPRS module, a target mobile phone, a receiver power supply, a control circuit power supply, a single-pole double-throw switch relay, a first triode and a second triode, wherein the single-pole double-throw switch relay is provided with a front exciting coil, a rear exciting coil, a common end of a single-pole double-throw switch, a normally closed end of the single-pole double-throw switch and a normally opened end of the single-pole double-throw switch, a power supply input end of the Beidou satellite signal receiver and a power supply input end of the GPRS module are connected in parallel and then connected with the common end of the single-pole double-throw switch, the normally opened end of the single-pole double-throw switch is connected with the receiver power supply, a base electrode of the first triode is connected with a starting positioning signal input end through a first resistor, an emitting electrode, the collector of the first triode is connected with one end of the front exciting coil, the other end of the front exciting coil is connected with the control circuit power supply, the base of the second triode is connected with the input end of the closing positioning signal through the second resistor, the emitter of the second triode is grounded, the collector of the second triode is connected with one end of the rear exciting coil, and the other end of the rear exciting coil is connected with the control circuit power supply.

The GPRS module is connected with the Beidou satellite signal receiver through an RS232 bus, and is wirelessly connected with the target mobile phone through a GPRS network.

A control method of a low-power-consumption satellite positioning active position indicating circuit of underwater equipment is characterized by comprising the following steps:

firstly, inputting a starting and positioning high level signal on a starting and positioning signal input end, conducting a first triode, electrifying a front exciting coil, enabling a hand-knife switch in a single-pole double-throw switch relay to act, connecting a public end with a normally open end, starting a receiver power supply to supply power to a Beidou satellite signal receiver and a GPRS module, transmitting a positioning and active position indicating signal to the GPRS module through an RS232 bus after the Beidou satellite signal receiver receives a signal of a Beidou satellite, and transmitting the positioning and active position indicating signal to a target mobile phone through a GPRS network by the GPRS module;

secondly, after the Beidou satellite signal receiver completes positioning and active position indicating signal transmission, a high level of a positioning signal is input and closed at a positioning signal closing input end, a second triode is conducted, a rear exciting coil is electrified, a hand hay cutter switch in a single-pole double-throw switch relay acts to disconnect a common end from a normally open end and switch to a position for communicating the common end with the normally closed end, a power supply source of the Beidou satellite signal receiver and a power supply source of a GPRS (general packet radio service) module are cut off, the output of the power supply source of the receiver is stopped, and the purpose of low power consumption is achieved;

the circuit structure of the invention is simple, after outputting the 'start positioning' signal, the relay finishes the contact group conversion, the satellite receiver and the positive pole of the GPRS module are connected to the power VCC, start to receive the satellite signal, after finishing positioning by oneself, send the position information to the GPRS module in RS232 bus way, the GPRS module receives the information and then sends to the target mobile phone through GPRS network initiative, thus realize the satellite positioning and initiative position indicating function to the underwater equipment; after the 'positioning closing' signal is output, the relay completes the resetting (initialization) of the contact group, the satellite receiver and the positive pole of the GPRS module are cut off from the VCC power supply, the work is stopped, and the power consumption is reduced.

The relay is adopted to control the power supply switch of the satellite receiver, the position information of the underwater equipment is actively sent to the target mobile phone through the GPRS network after the positioning is successful, and the circuit is not provided with a high-power transmitting unit, so that the energy consumption is effectively reduced, convenience is brought to long-term monitoring of the underwater equipment by personnel, and the design defect of the conventional positioner is thoroughly overcome.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings:

a low-power-consumption satellite positioning active position indicating circuit of underwater equipment comprises a Beidou satellite U1, a Beidou satellite signal receiver D1, a GPRS module D2, a target mobile phone D3, a receiver power supply VCC, a control circuit power supply VDD, a single-pole double-throw switch relay, a first triode V1 and a second triode V2, wherein the single-pole double-throw switch relay is provided with a front exciting coil J1, a rear exciting coil J2, a common end e of a single-pole double-throw switch, a normally closed end g of the single-pole double-throw switch and a normally open end f of the single-pole double-throw switch, a power supply input end of the Beidou satellite signal receiver D1 and a power supply input end of the GPRS module D2 are connected in parallel and then connected with the common end e of the single-pole double-throw switch, the normally open end f of the single-pole double-throw switch is connected with the receiver power supply VCC, a base of the first triode V1 is connected with a starting positioning signal input end W1 through a first resistor R1, the emitter of the first triode V1 is grounded, the collector of the first triode V1 is connected with one end a of the front excitation coil J1, the other end b of the front excitation coil J1 is connected with the control circuit power supply VDD, the base of the second triode V2 is connected with the closing positioning signal input end W2 through the second resistor R2, the emitter of the second triode V2 is grounded, the collector of the second triode V2 is connected with one end d of the rear excitation coil J2, and the other end c of the rear excitation coil J2 is connected with the control circuit power supply VDD.

The GPRS module D2 is connected with the Beidou satellite signal receiver D1 through an RS232 bus, and the GPRS module D2 is wirelessly connected with the target mobile phone D3 through a GPRS network.

A control method of a low-power-consumption satellite positioning active position indicating circuit of underwater equipment is characterized by comprising the following steps:

firstly, inputting a starting and positioning high level signal on a starting and positioning signal input end W1, conducting a first triode V1, electrifying a front exciting coil J1, actuating a hand knife switch in a single-pole double-throw switch relay, connecting a common end e with a normally open end f, starting a receiver power supply VCC to supply power to a Beidou satellite signal receiver D1 and a GPRS module D2, receiving a signal of a Beidou satellite U1 by the Beidou satellite signal receiver D1, transmitting a positioning and active position indicating signal to the GPRS module D2 through an RS232 bus, and transmitting the positioning and active position indicating signal to a target mobile phone D3 by the GPRS module D2 through a GPRS network;

secondly, after the Beidou satellite signal receiver D1 completes positioning and active position indicating signal transmission, a high level of a positioning signal is input and closed at a positioning signal closing input end W2, a second triode V2 is conducted, a rear exciting coil J2 is electrified, a hand knife switch in a single-pole double-throw switch relay acts to disconnect a common end e from a normally open end f and switch to a position for connecting the common end e with a normally closed end g, a power supply of the Beidou satellite signal receiver D1 and a power supply of a GPRS module D2 are cut off, the output of a receiver power supply VCC is stopped, and the purpose of low power consumption is achieved;

through the circuit design, the underwater equipment positioning and position information capturing are realized by using the satellite receiver, after the positioning is successful, the GPRS network is used for actively transmitting the position information to the target mobile phone, the positioning starting or the closing self-operation is controllable, the high-power radio power amplifier or the Beidou transmitting module is not excited, the power consumption of the whole machine is effectively reduced, the underwater equipment positioning and tracking circuit is particularly suitable for performing long-term monitoring and tracking tasks on the underwater equipment, the personnel do not need to be attended for 24 hours, the positioning information directly sends out the mobile phone, and under the premise of ensuring the positioning to be timely and effective, the safety of the underwater equipment is guaranteed.