CN209488214U

CN209488214U - A kind of DC-stabilized circuit extracted for geo-electrochemistry

Info

Publication number: CN209488214U
Application number: CN201920145584.XU
Authority: CN
Inventors: 文美兰; 欧阳菲; 罗先熔; 易金生; 刘攀峰; 蒋存波; 肖洪祥; 高文
Original assignee: Guilin University of Technology
Current assignee: Guilin University of Technology
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2019-10-11
Anticipated expiration: 2029-01-28

Abstract

The utility model provides a kind of DC-stabilized circuit extracted for geo-electrochemistry, mainly includes lithium battery charging circuit, booster circuit, output end control circuit, control module interface circuit, power supply circuit, output end voltage acquisition and processing circuit, output end current acquisition and processing circuit, battery voltage acquisition and processing circuit and the acquisition of boost module output voltage and processing circuit etc..The utility model has the advantages that the adjustable dc voltage of output 9V, 12V, 15V, 18V, 21V, 24V, 27V, 30V totally eight gears can be stablized；Circuit uses low power dissipation design, it is ensured that in geo-electrochemistry extraction process, system continuous work 48 hours or more；System is repeated charging 1000 times or more by four sections, 18650 lithium battery power supply.

Description

A kind of DC-stabilized circuit extracted for geo-electrochemistry

Technical field

The utility model belongs to electronic communication field more particularly to a kind of D.C. regulated power supply extracted for geo-electrochemistry Circuit.

Background technique

Geo-electrochemistry extracting method mainly relies on extra electric field, by near surface in the zwitterions of Mobile Forms, ion cluster and It migrates with electrical complex compound to extracting electrode, so that analysis and discovery reach delineation and look for at the related particle exception of mine The purpose of mine prospective area.

Party's Deep-penetrating Geochemistry research category owned by France is tested and is applied by many years, has tended to be mature, in buried ore Middle performance significant role is reconnoitred in production.Geo-electrochemistry extraction element mainly has power supply unit, extracts the portions such as electrode, conducting wire, extracting solution Part.

Power supply unit is used for power supply and timing when field sampling, plays a significant role during the extraction process, stable is straight Galvanic electricity pressure timing output can directly have an impact the consistency of extraction.However, existing power supply unit is during the extraction process still Constant voltage cannot be set as needed, without timing function, stream time is also not achieved 48 hours or more, and ground electricity extracts The effect is unsatisfactory.

Utility model content

Utility model aims to solve the problemss of the above-mentioned prior art, provide one kind and mention for geo-electrochemistry The DC-stabilized circuit taken, can be in geo-electrochemistry extraction process, and D.C. regulated power supply need to provide steady dc voltage Output, and continuous work 48 hours or more.

The utility model adopts the following technical solution:

A kind of DC-stabilized circuit extracted for geo-electrochemistry, including control module interface circuit and power supply Circuit 4, lithium battery charging circuit 1, booster circuit 2, output end control circuit 3, control module interface circuit and power supply electricity No. 2 of line bank described in road 4 and No. 3 terminals negate after with power input U4, battery DC1 cathode, battery DC2 cathode phase Even, battery DC1 is connected by switch SP with the anode of battery DC3 anode, battery DC4, and the cathode of battery DC3 is with battery DC4's After cathode is connected and be grounded, the anode of battery DC1 Anode and battery DC2 be connected after with diode ID16 is positive, diode ID15 Cathode is connected；

Diode ID16 cathode and diode ID17 cathode, the one end capacitor IC14, the one end capacitor IC15, the one end capacitor IC6, Power input UIN, the port VIN of boost module, the one end capacitor IC11, the one end capacitor IC12 are connected, the capacitor IC11 other end It is connected and is grounded with the capacitor IC12 other end；No. 1 interface phase of diode ID17 anode and power input UX, input terminal Even, the capacitor IC4 other end and the capacitor IC5 other end, the capacitor IC6 other end, input terminal No. 2 interfaces be connected and be grounded；

Diode ID15 anode and diode ID18 anode, diode ID4 anode, the one end resistance IR12, integrated chip The port BAT, one end resistance IR14 of LT3652 is connected, and diode IDB cathode one end is connected with power input UX, diode ID2 cathode is connected with the port BOOST of the one end capacitor IC9, integrated chip, and the resistance IR12 other end and the one end inductance IL2 integrate The port SENSE of chip is connected, the port SW of the other end and the inductance IL2 other end, integrated chip of capacitor IC9, diode ID2 Cathode be connected, the plus earth of diode ID2, VFB interface, the one end resistance IR15 of the resistance IR14 other end and integrated chip It is connected, resistance IR15 other end ground connection, the port NTC of integrated chip is connected with the one end thermistor IR13, thermistor IR13 Other end ground connection, the GND ground connection of integrated chip；

In lithium battery charging circuit 1, integrated chip VIN interface and SHDN interface, the one end capacitor IC27, diode ID1 are born Extremely it is connected, capacitor IC27 other end ground connection, the port VIN-REG and the one end resistance IR9 of integrated chip, the one end resistance IR10 phase Even, the resistance IR10 other end is connected with the one end resistance IR11, resistance IR11 other end ground connection, the one end resistance IR9 and diode ID1 Anode, the one end capacitor IC8, power input UX are connected, capacitor IC8 other end ground connection, the port CHRG of integrated chip and resistance The one end IR52B is connected, and resistance IR52B is connected with ILED1 cathode, and the port FAULT of integrated chip is connected with resistance IR53, resistance The IR53 other end is connected with ILED2 cathode, and ILED2 anode is connected with ILED1 anode, power input UB；

Booster circuit 2, the port EN of boost module XL6019 and resistance IR28, power input UH EN, resistance IR28B mono- End is connected, another termination power input U4 of resistance IR28, resistance IR28B other end ground connection；The GND of boost module XL6019 Ground connection, the port FB and the one end resistance IR23, the one end resistance IR21, the one end resistance IR20, the one end resistance IR19, electricity of boost module Resistance one end IR29, the one end resistance IR19B, the one end resistance IR24 are connected, and the resistance IR23 other end is connected with the one end resistance IR22；

The resistance IR21 other end is connected with triode IT4 collector, triode IT4 base stage and the one end resistance IR27, resistance The one end IR18 is connected, and the resistance IR20 other end is connected with triode IT3 collector, triode IT3 base stage and the one end resistance IR26, The one end resistance IR27 is connected, and 19 other end of resistance is connected with the resistance IR29 other end, triode IT2 collector, triode IT2 base Pole is connected with the one end resistance IR25, the one end resistance IR26, and the resistance IR19B other end is connected with the collector of triode IT2B, and three Pole pipe IT2B base stage is connected with resistance IR16B, the resistance IR16B other end and transistor emitter, the resistance IR16 other end, three poles Pipe IT2 emitter, the resistance IR17 other end, triode IT3 emitter, the resistance IR18 other end, triode IT4 emitter, electricity Resistance IR22 is connected and is grounded；

Diode ID5 cathode also with the one end capacitor IC10, the one end capacitor IC10B, the one end capacitor IC10A, triode IT1 collection Electrode, the one end resistance IR5B are connected, capacitor IC10 other end ground connection, capacitor IC10B other end ground connection, the capacitor IC10A other end Ground connection, triode IT1 base stage are connected with the resistance IR5B other end, the one end resistance IR7B, the resistance IR7B other end and triode IT1B collector is connected, and single machine closes base stage and one end resistance IR4B of ITIB, and the one end resistance IR5C is connected, triode ITIB transmitting Pole is connected with the one end resistance IR5, and the resistance IR5 other end is connected and is grounded with resistance IR5C, another termination comparator of resistance IR4B IU2B output interface, the one end resistance IR4, the one end another terminating resistor IR3 of resistance IR4, the one end capacitor IC3, comparator IU2B mono- A input terminal is connected with the one end capacitor IC3C, the one end resistance IRIB, resistance IRI, another termination power input US of resistance IRI, The capacitor IC3C other end is connected with the resistance IRIB other end, the one end resistance IRIC, resistance IRIC other end ground connection；

In output end control circuit 3, another input terminal of comparator IU2B and the resistance IR3 other end, the capacitor IC3 other end, The one end resistance IR2B is connected, the resistance IR2B other end and the one end resistance IR2, the one end resistance IR2C, triode IT5 collector phase Even, resistance IR2 other end ground connection, 1 end, the one end resistance IR49 of the resistance IR2C other end and comparator IU2A, capacitor IC2B mono- End, 8 ports of comparator IU2A and power input UA, the one end capacitor ICI are connected, and the 4 ports ground connection of comparator IU2A is compared 2 ports of device and the resistance IR49 other end, the capacitor IC2B other end, the one end resistance IR50 are connected, resistance IR50 other end ground connection, 3 ports of comparator IU2A are connected with the one end resistance IR7, the one end capacitor IC2, the one end resistance IR6, the capacitor IC2 other end and electricity The resistance IR7 other end is connected and is grounded, and the resistance IR6 other end is connected with No. 2 interfaces of the one end resistance IR8, connecting terminal, terminals No. 1 interface of son is connected with the one end inductance IL6, and the inductance IL6 other end is connected with the one end fuse IFI, diode ID19 cathode, The resistance IR8 other end is connected with diode ID19 anode, another termination triode ITI emitter of fuse IFI；

Triode IT5 base stage is connected with the one end resistance IR52, the one end resistance IR41, triode IT5 emitter and resistance IR52 is connected and is grounded, another termination power input SM of resistance IR41, the one end resistance IR33, the resistance IR33 other end and resistance The one end IR34, triode IT6 base stage are connected, and triode IT6 collector is connected with the one end resistance IR35, another termination of resistance IR35 Input supply terminal UA is connected, and triode IT6 emitter is connected and is grounded with the resistance IR34 other end.

Further technical solution be further include output end voltage acquisition and processing circuit 5, including comparator, resistance, electricity Hold, PE+ input terminal is connected with the one end resistance IR42, the resistance IR42 other end and the one end resistance IR44, the one end capacitor IC29, resistance The one end IR42B, capacitor IC26 are connected, 3 ports of the resistance IR42B other end and the one end resistance IR48, comparator IU7A, resistance IR48 other end ground connection, PE- input terminal are connected with the one end resistance IR43, the resistance IR43 other end and the resistance IR44 other end, electricity Hold the one end IC28, the capacitor IC26 other end, the one end resistance IR43B, the capacitor IC28 other end ground connection, the resistance IR43B other end with 2 ports, one end resistance IR51 of comparator IU7A, 1 port of the resistance IR51 other end and comparator IU7A, diode ID9 are just Pole, diode ID10 cathode, power input UMT are connected, and diode ID9 cathode is connected with power input UA, diode ID10 plus earth.

Further technical solution is, including output end current acquisition and processing circuit 6, including resistance, diode, compares No. 5 input interfaces of device, comparator IU7B are connected with the port IFB, No. 6 input ports and No. 7 interfaces, two poles of comparator IU7B Pipe ID13 anode, diode ID14 cathode, the one end resistance IR39, input supply terminal IMT are connected, diode ID13 cathode and input Power end UA is connected, and diode ID14 anode is connected and is grounded with the resistance IR39 other end.

Further technical solution is, including battery voltage acquisition and processing circuit 7, including resistance, capacitor, comparator, UB power input is connected with the one end resistance IR30, the resistance IR30 other end and the one end resistance IR31B, the one end resistance IR31, ratio No. 3 ports compared with device IU6A are connected, and the resistance IR31B other end, the resistance IR31 other end is connected and is grounded, and the 8 of comparator IU6A Number interface is connected with power input UA, the one end capacitor IC25, capacitor IC25 other end ground connection, power input UBT and two poles Pipe ID7 anode, diode ID8 cathode, the one end resistance IR32, No. 1 port of comparator IU6A and comparator IU6A No. 2 ports It is connected, resistance IR32 other end ground connection, No. 4 interfacing grounds of comparator IU6A, the cathode and power input UA of diode ID7 It is connected, the plus earth of diode ID8.

Further technical solution is, including the acquisition of boost module output voltage and processing circuit 8, including resistance, compares Device, power input UH are connected with the one end resistance IR36, the resistance IR36 other end and the one end resistance IR37, comparator IU6B 5 Port is connected, the other end ground connection of resistance IR37, power input UQT input terminal and diode ID11 anode, diode ID12 Cathode, No. 7 ports of comparator IU6B, No. 6 ports of IU6B, resistance IR38 one end be connected, another termination of resistance IR38 Ground, diode ID11 cathode are connected with power input, the plus earth of diode ID12.

The further technical solution of the present invention is that the port S2, S1, S0 of single-chip microcontroller passes through resistance IR25, resistance respectively IR26, resistance IR27 are connect with resistor network metal-oxide-semiconductor IT2, metal-oxide-semiconductor IT3, metal-oxide-semiconductor IT4, realize single-chip microcontroller and booster circuit phase Even, while single-chip microcontroller is also connected with key circuit.

Single chip circuit are as follows: single-chip minimum system includes single-chip microcontroller 9, reset circuit, low frequency crystal oscillating circuit, I/O interface Row, reset circuit, low frequency crystal oscillating circuit, I/O interface row are connected with single-chip microcomputer signal.

The utility model has the advantages that output 9V, 12V, 15V, 18V, 21V, 24V, 27V, 30V totally eight gears can be stablized Adjustable dc voltage；Circuit uses low power dissipation design, it is ensured that in geo-electrochemistry extraction process, system continuous work 48 hours More than；System is repeated charging 1000 times or more by four sections, 18650 lithium battery power supply.

Detailed description of the invention

Fig. 1 is the lithium battery charging circuit part circuit structure schematic diagram of the utility model；

Fig. 2 is the booster circuit part circuit structure schematic diagram of the utility model；

Fig. 3 is the output end control circuit part circuit structure schematic diagram of the utility model；

Fig. 4 is the control module interface circuit and power supply circuit part circuit structure schematic diagram of the utility model；

Fig. 5 is the output end voltage acquisition and processing circuit part circuit structure schematic diagram of the utility model；

Fig. 6 is the output end current acquisition and processing circuit part circuit structure schematic diagram of the utility model；

Fig. 7 is the battery voltage acquisition and processing circuit part circuit structure schematic diagram of the utility model；

Fig. 8 is the acquisition of boost module output voltage and processing partial circuit structural schematic diagram of the utility model；

Fig. 9 is singlechip minimum system circuit figure；

Figure 10 is key circuit structure chart.

In figure, 1- lithium battery charging circuit, 2- booster circuit, 3- output end control circuit, 4- control module interface circuit And the acquisition of power supply circuit, 5- output end voltage acquires and processing circuit, 7- battery electricity with processing circuit, 6- output end current Pressure acquisition and processing circuit, the acquisition of 8- boost module output voltage and processing, 9- single-chip microcontroller, 10- resistor network.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below technical side in the utility model Case is clearly and completely described, it is clear that and the embodiments are a part of the embodiments of the present invention, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

The utility model it is a kind of for geo-electrochemistry extract DC-stabilized circuit, control module interface circuit and Power supply circuit 4, lithium battery charging circuit 1, booster circuit 2, output end control circuit 3.

Wherein, in lithium battery charging circuit 1, as shown in Figure 1, integrated chip VIN interface and SHDN interface, capacitor IC27 mono- End, diode ID1 cathode are connected, capacitor IC27 other end ground connection, the port VIN-REG and the one end resistance IR9 of integrated chip, electricity It hinders the one end IR10 to be connected, the resistance IR10 other end is connected with the one end resistance IR11, resistance IR11 other end ground connection, integrated chip The port CHRG is connected with the one end resistance IR52B, and resistance IR52B is connected with ILED1 cathode, the port FAULT of integrated chip and electricity It hinders IR53 to be connected, the resistance IR53 other end is connected with ILED2 cathode, ILED2 anode and ILED1 anode, power input UB phase Even；

In control module interface circuit and power supply circuit 4, as shown in figure 4, No. 2 of line bank and No. 3 terminals negate It is connected afterwards with power input U4, battery DC1 cathode, battery DC2 cathode, battery DC1 is positive by switch SP and battery DC3, The anode of battery DC4 is connected, and after the cathode of battery DC3 is connected with the cathode of battery DC4 and is grounded, battery DC1 Anode and battery The anode of DC2 is connected after being connected with diode ID16 anode, diode ID15 cathode；

Diode ID2 cathode is connected with the port BOOST of the one end capacitor IC9, integrated chip, the resistance IR12 other end and electricity Feel the one end IL2, the port SENSE of integrated chip is connected, the SW of the other end and the inductance IL2 other end, integrated chip of capacitor IC9 The cathode of port, diode ID2 is connected, the plus earth of diode ID2, and the VFB of the resistance IR14 other end and integrated chip connects Mouth, the one end resistance IR15 are connected, resistance IR15 other end ground connection, the port NTC and the one end the thermistor IR13 phase of integrated chip Even, thermistor IR13 other end ground connection, the GND ground connection of integrated chip；

The circuit connecting relation of lithium battery charging circuit 1 and control module interface circuit and power supply circuit 4 are as follows: control The diode of diode the ID15 anode and lithium battery charging circuit 1 of the circuit of module interface circuit and power supply circuit 4 ID18 anode, diode ID4 anode, the one end resistance IR12, the port BAT of integrated chip LT3652, the one end resistance IR14 are connected, Diode ID18 cathode one end is connected with power input UX；

And one end resistance IR9 of lithium battery charging circuit 1 and diode ID1 anode, the one end capacitor IC8, control module The power input UX of interface circuit and power supply circuit 4 is connected, capacitor IC8 other end ground connection.

Booster circuit 2, as shown in Fig. 2, the port EN of boost module XL6019 and resistance IR28, power input UH EN, electricity It hinders the one end IR28B to be connected, another termination power input U4 of resistance IR28, resistance IR28B other end ground connection；Boost module The GND of XL6019 is grounded, the port FB and the one end resistance IR23, the one end resistance IR21, the one end resistance IR20, resistance of boost module The one end IR19, the one end resistance IR29, the one end resistance IR19B, the one end resistance IR24 are connected, the resistance IR23 other end and resistance IR22 One end is connected；

Diode ID5 anode is connected with the port SW of boost module XL6019, the one end inductance IL3, boost module XL6019 The port VIN be connected with the other end of the inductance IL3 other end, the other end of capacitor IC11, capacitor IC2,

Booster circuit 2 and the connection relationship of control module interface circuit and power supply circuit 4 are: boost module XL6019 The port VIN be connected with the port UIN of control module interface circuit and power supply circuit 4.

In output end control circuit 3, capacitor IC10 other end ground connection, the capacitor IC10B other end is grounded, and capacitor IC10A is another One end ground connection, triode IT1 base stage are connected with the resistance IR5B other end, the one end resistance IR7B, the resistance IR7B other end and three poles Pipe IT1B collector is connected, and the base stage of triode ITIB and the one end resistance IR4B, one end resistance IR5C are connected, triode ITIB hair Emitter-base bandgap grading is connected with the one end resistance IR5, and the resistance IR5 other end is connected and is grounded with resistance IR5C, and another termination of resistance IR4B compares Device IU2B output interface, the one end resistance IR4, the one end another terminating resistor IR3 of resistance IR4, the one end capacitor IC3, comparator IU2B One input terminal is connected with the one end capacitor IC3C, the one end resistance IRIB, resistance IRI, another termination power input of resistance IRI US, the capacitor IC3C other end are connected with the resistance IRIB other end, the one end resistance IRIC, resistance IRIC other end ground connection；

Another input terminal of comparator IU2B and the resistance IR3 other end, the capacitor IC3 other end, the one end resistance IR2B are connected, electricity The resistance IR2B other end is connected with the one end resistance IR2, the one end resistance IR2C, triode IT5 collector, resistance IR2 other end ground connection, 1 end, one end resistance IR49 of the resistance IR2C other end and comparator IU2A, the one end capacitor IC2B, 8 ports of comparator IU2A with Power input UA, the one end capacitor ICI are connected, and the 4 ports ground connection of comparator IU2A, 2 ports of comparator and resistance IR49 are another One end, the capacitor IC2B other end, the one end resistance IR50 are connected, resistance IR50 other end ground connection, 3 ports of comparator IU2A and electricity Resistance one end IR7, the one end capacitor IC2, the one end resistance IR6 are connected, and the capacitor IC2 other end is connected and is grounded with the resistance IR7 other end, The resistance IR6 other end is connected with No. 2 interfaces of the one end resistance IR8, connecting terminal, No. 1 interface and inductance IL6 mono- of connecting terminal End is connected, and the inductance IL6 other end is connected with the one end fuse IFI, diode ID19 cathode, the resistance IR8 other end and diode ID19 anode is connected, another termination triode ITI emitter of fuse IFI；

The circuit structure of booster circuit 2 and output end control circuit 3 are as follows: the diode ID5 cathode of booster circuit 2 also with liter One end capacitor IC10 of volt circuit, one end capacitor IC10B of booster circuit 2, one end capacitor IC10A of booster circuit 2, output end The triode IT1 collector of control circuit 3, one end resistance IR5B of output end control circuit 3 are connected.

Further technical solution be further include output end current acquisition and processing circuit 5, including comparator, resistance, electricity Hold, PE+ input terminal is connected with the one end resistance IR42, the resistance IR42 other end and the one end resistance IR44, the one end capacitor IC29, resistance The one end IR42B, capacitor IC26 are connected, 3 ports of the resistance IR42B other end and the one end resistance IR48, comparator IU7A, resistance IR48 other end ground connection, PE- input terminal are connected with the one end resistance IR43, the resistance IR43 other end and the resistance IR44 other end, electricity Hold the one end IC28, the capacitor IC26 other end, the one end resistance IR43B, the capacitor IC28 other end ground connection, the resistance IR43B other end with 2 ports, one end resistance IR51 of comparator IU7A, 1 port of the resistance IR51 other end and comparator IU7A, diode ID9 are just Pole, diode ID10 cathode, power input UMT are connected, and diode ID9 cathode is connected with power input UA, diode ID10 plus earth；

Output end voltage acquisition is connected with the port UMT of processing circuit 5 with the port single-chip microcontroller PA0, by the output electricity of acquisition Pressure signal is sent to Chip Microcomputer A/D and converts and handled.

Output end current acquisition and the effect of processing circuit 6 are (to have converted output end current signal by sampling resistor For voltage signal), after the processing of TLE2142P amplifier, it is sent to Chip Microcomputer A/D conversion, output end operating current is recorded with detection.

Output end current acquisition is connected with the port IMT of processing circuit 6 with the port single-chip microcontroller PA1, and the electric current of acquisition is believed Number being sent to Chip Microcomputer A/D converts and is handled.

The effect of battery voltage acquisition and processing circuit is that output end current signal (has been transformed to electricity by sampling resistor Press signal), after the processing of TLE2142P amplifier, it is sent to Chip Microcomputer A/D conversion, output end operating current is recorded with detection.

Battery voltage acquisition is connected with the port UBT of processing circuit 7 with the port single-chip microcontroller PC0, by the cell voltage of acquisition Chip Microcomputer A/D is sent to convert and handled.

The effect of battery voltage acquisition and processing circuit 7 is will to power lithium battery voltage after the processing of TLE2142P amplifier, It is sent to Chip Microcomputer A/D conversion, to monitor lithium battery group operating voltage.

The acquisition of boost module output voltage and the effect of processing circuit 8 are by boost module output voltage, through TLE2142P After amplifier processing, it is sent to Chip Microcomputer A/D conversion, to monitor booster circuit output voltage.

The acquisition of boost module output voltage is connected with the port UQT of processing circuit 8 with the port single-chip microcontroller PC1, by acquisition Output voltage is sent to Chip Microcomputer A/D and converts and handled.

Single chip circuit are as follows: as shown in figure 9, single-chip minimum system 9 includes single-chip microcontroller, reset circuit, low frequency crystal oscillator electricity Road, I/O interface row, reset circuit, low frequency crystal oscillating circuit, I/O interface row are connected with single-chip microcomputer signal.

Key circuit are as follows: as shown in Figure 10, including key KC2, key KC3, key KC4, key KA5, key KA6, press Key KA7, resistance TR9, diode G, triode, resistance TR7, diode LC, diode LF, the one end key KC2 and single-chip microcontroller The port PC2 is connected, the key KC2 other end and the key KC3 other end, the key KC4 other end, the key KA5 other end, key KA6 The other end, the key KA7 other end, transistor emitter are connected and are grounded, and resistance TR9 is connected with transistor base, triode Collector is connected with diode G cathode, and diode G anode is connected with the one end resistance TR7, the resistance TR7 other end and input power, Diode LC anode, diode LF anode are connected.

The connection circuit of single-chip microcontroller and key circuit are as follows:

The one end key KC3 is connected with the port PC3 of single-chip microcontroller, and the one end key KC4 is connected with the port PC4 of single-chip microcontroller, presses The one end key KA5 is connected with the port single-chip microcontroller PA5, the one end key KA6 is connected with the port single-chip microcontroller PA6, the one end key KA7 and monolithic Machine PA7 is connected, and the resistance TR9 other end is connected with the port single-chip microcontroller PC13.

The course of work of the utility model:

Input voltage is provided for XL6019DC-DC converter by four section lithium battery groups, designs one at the end FB of XL6019 Parallel resistance network 10, the voltage that key circuit setting needs to export, presses MODE key, into setting state；SET is pressed again Key is arranged into output voltage level, presses UP or DOWN key, the optional output voltage level for needing to be arranged；SET is pressed again Key is arranged into the working time, presses UP or DOWN key, the optional working time for needing to be arranged.Output voltage level and work After being provided with as the time, press MODE key, into STOP state, then press RUN key, system according to setting output voltage and Working time starts to work.3 control signals are exported by STM32L151RCT6A single-chip microcontroller, single-chip microcontroller is electric according to the output of setting Press gear to export S2, S1, S0 that 3 control signals arrive booster circuit 2,3 control signals for 000-111 totally eight kinds of combinations it is defeated Out, eight gears of direct voltage output are respectively corresponded.S2, S1, S0 control IT2, IT3, IT4 tri- in resistor network respectively The conducting and cut-off of metal-oxide-semiconductor, by formula Uout=1.25 (1+Ru/Rd), obtain to change the resistance value of parallel resistance network The direct voltage output of 9V, 12V, 15V, 18V, 21V, 24V, 27V, 30V totally eight gears.Output end operating voltage is acquired simultaneously And operating current is sent to single-chip microcontroller and is handled after amplifier is handled, to detect operating voltage when record geo-electrochemistry extracts And operating current.

System design uses STM32L151RCT6A super low power consuming single chip processor for main control chip, and setting sleep pattern cooperates low Power wake mode.STM32L151RCT6A single-chip microcontroller working condition of the present invention is originated from " STM32L151xC series monolithic Datasheet-Production Data ", the setting of single-chip microcontroller working condition is realized by system software controls, system starting operation After work three minutes, automatically into sleep pattern, LCD display is closed；Any key is pressed, wakes up operation mould into low-power consumption Formula, LCD display are lighted again, can carry out corresponding operating.In the wake mode, single-chip microcontroller operating current is within 8.6 μ A.

Whole system uses 18650 lithium battery power supplies of 4 section 3400mAh capacity.After tested, power output end connects 1K Ω Load, in different stalls voltage output, can guarantee system continuous work 48 hours or more.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims

1. a kind of DC-stabilized circuit extracted for geo-electrochemistry, which is characterized in that including lithium battery charging circuit (1), booster circuit (2), output end control circuit (3), control module interface circuit and power supply circuit (4), single-chip microcontroller (9), lithium battery charging circuit (1) is connect with control module interface circuit and power supply circuit (4), booster circuit (2) and control Module interface circuit and power supply circuit (4) processed are connected, and booster circuit (2) is connected with output end control circuit (3), single-chip microcontroller (9) it is connected with booster circuit (2)；

Wherein, lithium battery charging circuit (1) is integrated chip VIN interface and SHDN interface, the one end capacitor IC27, diode ID1 Cathode is connected, the one end resistance IR9 and diode ID1 anode, the one end capacitor IC8, control module interface circuit and power supply electricity The power input UX on road (4) is connected, capacitor IC8 other end ground connection, capacitor IC27 other end ground connection, the VIN- of integrated chip The port REG and the one end resistance IR9, the one end resistance IR10 are connected, and the resistance IR10 other end is connected with the one end resistance IR11, resistance IR11 other end ground connection, the port CHRG of integrated chip are connected with the one end resistance IR52B, resistance IR52B and ILED1 cathode phase Even, the port FAULT of integrated chip is connected with resistance IR53, and the resistance IR53 other end is connected with ILED2 cathode, ILED2 anode It is connected with ILED1 anode, power input UB；

The port integrated chip SW and the one end capacitor IC9, the one end inductance IL2, diode ID2 cathode are connected, the diode ID2 other end Ground connection；The port integrated chip BOOST is connected with the capacitor IC9 other end, diode ID4 cathode；The port integrated chip SENSE and electricity The sense IL2 other end, the one end resistance IR12 are connected, and the integrated chip port port BAT is connected with the one end resistance IR14；Integrated chip The port NTC is connected with the one end thermistor IR13, thermistor IR13 other end ground connection；The port integrated chip VFB and resistance The IR14 other end, the one end resistance IR15 are connected, resistance IR15 other end ground connection, the port integrated chip GND ground connection；

The two of the diode ID15 anode of control module interface circuit and power supply circuit (4) and lithium battery charging circuit (1) Pole pipe ID18 anode, diode ID4 anode, the one end resistance IR12, the port BAT of integrated chip LT3652, the one end resistance IR14 It is connected, diode ID18 cathode one end is connected with power input UX；Control module interface circuit and power supply circuit (4) In, No. 2 of line bank and No. 3 terminals are connected with power input U4, battery DC1 cathode, battery DC2 cathode, and battery DC1 passes through Switch SP is connected with the anode of battery DC3 anode, battery DC4, after the cathode of battery DC3 is connected with the cathode of battery DC4 and connects Ground, the anode of battery DC1 Anode and battery DC2 are connected after being connected with diode ID16 anode, diode ID15 cathode；

Diode ID16 cathode and diode ID17 cathode, the one end capacitor IC14, the one end capacitor IC15, the one end capacitor IC6, power supply Input terminal UIN, the port VIN of boost module, the one end capacitor IC11, the one end capacitor IC12 are connected, the capacitor IC11 other end and electricity Hold the IC12 other end to be connected and be grounded；Diode ID17 anode is connected with No. 1 interface of power input UX, input terminal, electricity Hold the IC4 other end and the capacitor IC5 other end, the capacitor IC6 other end, input terminal No. 2 interfaces be connected and be grounded；

Booster circuit (2), the port EN and resistance IR28, power input UHEN, the one end the resistance IR28B phase of boost module XL6019 Even, another termination power input U4 of resistance IR28, resistance IR28B other end ground connection；The GND of boost module XL6019 connects Ground, the port FB and the one end resistance IR23, the one end resistance IR21, the one end resistance IR20, the one end resistance IR19, resistance of boost module The one end IR29, the one end resistance IR19B, the one end resistance IR24 are connected, and the resistance IR23 other end is connected with the one end resistance IR22；

The resistance IR21 other end is connected with triode IT4 collector, triode IT4 base stage and the one end resistance IR27, resistance IR18 One end is connected, and the resistance IR20 other end is connected with triode IT3 collector, triode IT3 base stage and the one end resistance IR26, resistance The one end IR27 be connected, 19 other end of resistance is connected with the resistance IR29 other end, triode IT2 collector, triode IT2 base stage and The one end resistance IR25, the one end resistance IR26 are connected, and the resistance IR19B other end is connected with the collector of triode IT2B, triode IT2B base stage is connected with resistance IR16B, the resistance IR16B other end and triode IT2B emitter, the resistance IR16 other end, three poles Pipe IT2 emitter, the resistance IR17 other end, triode IT3 emitter, the resistance IR18 other end, triode IT4 emitter, electricity Resistance IR22 is connected and is grounded；

Diode ID5 anode is connected with the port SW of boost module XL6019, the one end inductance IL3, the VIN of boost module XL6019 Port is connected with the other end of the inductance IL3 other end, the other end of capacitor IC11, capacitor IC2；The cathode and electricity of diode ID5 Hold the one end IC10, the one end capacitor IC10B, the one end capacitor IC10A, the capacitor IC10 other end, the capacitor IC10B other end, capacitor The IC10A other end is grounded；

The port VIN of boost module XL6019 is connected with the port UIN of control module interface circuit and power supply circuit (4)；

In output end control circuit (3), triode IT1 base stage is connected with the resistance IR5B other end, the one end resistance IR7B, triode IT1 emitter is connected with the one end fuse IF1, and the resistance IR7B other end is connected with triode IT1B collector, triode ITIB Base stage and the one end resistance IR4B, the one end resistance IR5C be connected, triode ITIB emitter is connected with the one end resistance IR5, resistance The IR5 other end is connected and is grounded with resistance IR5C, another termination comparator IU2B output interface of resistance IR4B, the one end resistance IR4, The one end another terminating resistor IR3 of resistance IR4, the one end capacitor IC3, mono- input terminal of comparator IU2B and the one end capacitor IC3C, electricity It hinders the one end IRIB, the one end resistance IRI to be connected, another termination power input US of resistance IRI, the capacitor IC3C other end and resistance The IRIB other end, the one end resistance IRIC are connected, resistance IRIC other end ground connection；

Another input terminal of comparator IU2B and the resistance IR3 other end, the capacitor IC3 other end, the one end resistance IR2B are connected, resistance The IR2B other end is connected with the one end resistance IR2, the one end resistance IR2C, triode IT5 collector, resistance IR2 other end ground connection, electricity 1 end, the one end resistance IR49 of the IR2C other end and comparator IU2A are hindered, the one end capacitor IC2B is connected, 8 ports of comparator IU2A With power input UA, the one end capacitor ICI is connected, the 4 ports ground connection of comparator IU2A, 2 ports of comparator and resistance IR49 The other end, the capacitor IC2B other end, the one end resistance IR50 be connected, the resistance IR50 other end ground connection, 3 ports of comparator IU2A with The one end resistance IR7, the one end capacitor IC2, the one end resistance IR6 are connected, and the capacitor IC2 other end is connected and connects with the resistance IR7 other end Ground, the resistance IR6 other end are connected with No. 2 interfaces of the one end resistance IR8, connecting terminal, No. 1 interface and inductance of connecting terminal The one end IL6 is connected, and the inductance IL6 other end is connected with the one end fuse IFI, diode ID19 cathode, the resistance IR8 other end and two Pole pipe ID19 anode is connected and is grounded；

Triode IT5 base stage is connected with the one end resistance IR52, the one end resistance IR41, triode IT5 emitter and resistance IR52 phase Connect and is grounded, another termination power input SM of resistance IR41, the one end resistance IR33, the resistance IR33 other end and resistance IR34 mono- End, triode IT6 base stage are connected, and triode IT6 collector is connected with the one end resistance IR35, another termination input electricity of resistance IR35 Source UA is connected, and triode IT6 emitter is connected and is grounded with the resistance IR34 other end；

The diode ID5 cathode of booster circuit (2) also with the triode IT1 collector of output end control circuit (3), output end control One end resistance IR5B of circuit (3) processed is connected；

Output end control circuit (3) is connect with carbon-point, and power output end PE+, PE- of output end control circuit (3) pass through conducting wire It is connected with two carbon-points, carbon-point is embedded to underground adsorbing metal ions.

2. a kind of DC-stabilized circuit extracted for geo-electrochemistry according to claim 1, which is characterized in that also Including output end voltage acquisition and processing circuit (5), including comparator, resistance, capacitor, PE+ input terminal and the one end resistance IR42 It is connected, the resistance IR42 other end and the one end resistance IR44, the one end capacitor IC29, the one end resistance IR42B, the one end capacitor IC26 phase Even, 3 ports of the resistance IR42B other end and the one end resistance IR48, comparator IU7A, resistance IR48 other end ground connection, PE- input End is connected with the one end resistance IR43, and the resistance IR43 other end and the resistance IR44 other end, the one end capacitor IC28, capacitor IC26 are another End, the one end resistance IR43B, capacitor IC28 other end ground connection, 2 ports, the resistance of the resistance IR43B other end and comparator IU7A 1 port of the one end IR51, the resistance IR51 other end and comparator IU7A, diode ID9 anode, diode ID10 cathode, power supply Input terminal UMT is connected, and diode ID9 cathode is connected with power input UA, diode ID10 plus earth；

Output end voltage acquisition is connected with the port UMT of processing circuit (5) with single-chip microcontroller (9) port PA0, by the output electricity of acquisition Pressure signal is sent to Chip Microcomputer A/D and converts and handled.

3. a kind of DC-stabilized circuit extracted for geo-electrochemistry according to claim 1, which is characterized in that packet Include output end current acquisition and processing circuit (6), including resistance, diode, comparator, No. 5 input interfaces of comparator IU7B Be connected with the port IFB, No. 6 input ports and No. 7 interfaces of comparator IU7B, diode ID13 anode, diode ID14 cathode, The one end resistance IR39, input supply terminal IMT are connected, and diode ID13 cathode is connected with input supply terminal UA, and diode ID14 is just Pole is connected and is grounded with the resistance IR39 other end；

Output end current acquisition is connected with the port IMT of processing circuit (6) with single-chip microcontroller (9) port PA1, and the electric current of acquisition is believed Number being sent to Chip Microcomputer A/D converts and is handled.

4. a kind of DC-stabilized circuit extracted for geo-electrochemistry according to claim 1, which is characterized in that packet Include battery voltage acquisition and processing circuit (7), including resistance, capacitor, comparator, UB power input and the one end resistance IR30 phase Even, the resistance IR30 other end and the one end resistance IR31B, the one end resistance IR31, No. 3 ports of comparator IU6A are connected, resistance The IR31B other end, the resistance IR31 other end are connected and are grounded, No. 8 interfaces and power input UA, capacitor of comparator IU6A The one end IC25 is connected, capacitor IC25 other end ground connection, power input UBT and diode ID7 anode, diode ID8 cathode, electricity Resistance one end IR32, No. 1 port of comparator IU6A are connected with No. 2 ports of comparator IU6A, resistance IR32 other end ground connection, than No. 4 interfacing grounds compared with device IU6A, the cathode of diode ID7 are connected with power input UA, the plus earth of diode ID8；

Battery voltage acquisition is connected with the port UBT of processing circuit (7) with single-chip microcontroller (9) port PC0, by the cell voltage of acquisition Single-chip microcontroller (9) A/D is sent to convert and handled.

5. a kind of DC-stabilized circuit extracted for geo-electrochemistry according to claim 1, which is characterized in that packet Include the acquisition of boost module output voltage and processing circuit (8), including resistance, comparator, power input UH and resistance IR36 mono- End is connected, and the resistance IR36 other end is connected with 5 ports of the one end resistance IR37, comparator IU6B, another termination of resistance IR37 Ground, power input UQT input terminal and diode ID11 anode, the cathode of diode ID12, comparator IU6B No. 7 ports, No. 6 ports of IU6B, one end of resistance IR38 are connected, resistance IR38 other end ground connection, diode ID11 cathode and power input End is connected, the plus earth of diode ID12；

The acquisition of boost module output voltage is connected with the port UQT of processing circuit (8) with the port single-chip microcontroller PC1, by the defeated of acquisition Voltage is sent to Chip Microcomputer A/D and converts and handled out.

6. a kind of DC-stabilized circuit extracted for geo-electrochemistry according to claim 1, which is characterized in that single The port S2, S1, S0 of piece machine (9) passes through the metal-oxide-semiconductor of resistance IR25, resistance IR26, resistance IR27 and resistor network (10) respectively IT2, metal-oxide-semiconductor IT3, metal-oxide-semiconductor IT4 connection realize that single-chip microcontroller is connected with booster circuit (2), while single-chip microcontroller (9) is also electric with key Road is connected.