CN109873489A - A kind of power-supply management system of instrument of surveying and mapping - Google Patents
A kind of power-supply management system of instrument of surveying and mapping Download PDFInfo
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- CN109873489A CN109873489A CN201910161514.8A CN201910161514A CN109873489A CN 109873489 A CN109873489 A CN 109873489A CN 201910161514 A CN201910161514 A CN 201910161514A CN 109873489 A CN109873489 A CN 109873489A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a kind of power-supply management systems of instrument of surveying and mapping, including main power source monitoring and protecting module, backup power source protective module, two-way Charge Management monitoring modular, two-way electric discharge management monitoring modular and multi-way switch circuit.The present invention guarantees single machine high reliability by system-level and device level reliability design；It is designed by shielding, filtering and filter, realizes good Electro Magnetic Compatibility；Good temperature drift control is realized by temperature-compensation circuit, improves control and detection accuracy.Power-supply management system of the invention is small in size, low in energy consumption, highly reliable, solves the problems, such as that the precision controlling requirement that power supply management device is faced in charge and discharge control and detection conditioning is high, temperature drift control is difficult.
Description
Technical field
The present invention relates to a kind of electronic technology fields, more specifically more particularly to a kind of power supply for instrument of surveying and mapping
Management system.
Background technique
In survey field in the case that operation does not have alternating current, due to the particularity of inertia device in instrument of surveying and mapping,
Instrument of surveying and mapping is needed to be in the working condition of uninterrupted power supply always in mapping process.Therefore high-power instrument just needs great Rong
The backup power source (lithium battery group) of amount is instrument power supply.Increase in such a way that double group backup power sources are powered jointly under normal conditions
Add the capacity of battery pack, while when one group of dead battery capability, can more renew battery in the case where uninterrupted power supply.This
Sample just needs the charging current to every group of battery pack, charging voltage, discharge current, discharge voltage to be monitored.If battery pack
Electric current, voltage will result in that battery pack charging is uneven, electric discharge is uneven there are error and makes battery damage or generate peace
Full hidden danger.Existing monitoring technology, majority are the charge and discharge voltage and electric current that battery is detected by flows resistance.It first has to
To an average current, that is, the current value that total load current is obtained divided by battery sum, each battery discharge current with should
Electric current compares, if the discharge current of this group of battery is greater than average current and will turn down discharge voltage otherwise discharge voltage is turned up.
It is relatively high that this kind of technology reaches the system power dissipation flowed by series resistor, in system stability, flexibility side
Face is poor.Current acquisition module is also needed simultaneously, system cost cost is relatively high.It requires to compare in some pairs of system stability
Under height, the scene for being large current discharge, need to strictly limiting system power dissipation expense, just become impractical with.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of power-supply management system of instrument of surveying and mapping.Pass through
System-level and device level reliability design guarantees single machine high reliability；It is designed, is realized good by shielding, filtering and filter
Electro Magnetic Compatibility；Good temperature drift control is realized by temperature-compensation circuit, improves control and detection accuracy.Of the invention
Power-supply management system is small in size, low in energy consumption, highly reliable, solves power supply management device in charge and discharge control and detection conditioning
The problem that the precision controlling requirement faced is high, temperature drift control is difficult.
A kind of power-supply management system of instrument of surveying and mapping provided by the invention, including main power source monitoring and protecting circuit module M1,
Backup power source protective module M2, two-way Charge Management monitoring modular M3, two-way electric discharge management monitoring modular M4 and multy-way switching electricity
Road module M5；The external input terminals of main power source monitoring and protecting module M1 connect main power source E0, and output end is separately connected two-way charging
Manage monitoring modular M3 and multi-way switch circuit module M5；The exterior input terminal of the backup power source protective module M2 is distinguished
Backup power source E1 and backup power source E2 is connected, output end connects two-way electric discharge management monitoring modular M4；The two-way Charge Management
The output end of monitoring modular M3 connects backup power source protective module M2；The input terminal of the multi-way switch circuit module M5 is also connected with
Two-way electric discharge management monitoring modular M4, external output end connect instrument of surveying and mapping M0.
Further, main power source monitoring and protecting circuit module M1 include main power source assurance module C1, current sampling resistor R1,
Voltage sample resistance R2, metal-oxide-semiconductor 1Q1 is flowed, metal-oxide-semiconductor 2Q2 is flowed, flows metal-oxide-semiconductor 3Q3, diode, voltage amplifier U1, electricity
Ductility limit circuit U 2, reference current source A1 and reference voltage source A2, main power source assurance module C1 respectively with flow metal-oxide-semiconductor 1Q1,
Flow metal-oxide-semiconductor 2Q2, stream metal-oxide-semiconductor 3Q3 be connected, voltage amplifier U1 respectively with reference current source A1 and current sampling resistor R1,
Current limit circuit U2 respectively with reference voltage source A2 and voltage sample resistance R2, supervise by stream metal-oxide-semiconductor 3Q3 and two-way Charge Management
It surveys module M3 to be connected, after current sampling resistor R1 is connected with voltage sample resistance R2, be connected with multi-way switch circuit module M5, from
And make main power source monitoring and protecting circuit module that there is input power protection to error-polarity connection, input power overvoltage/undervoltage, export clamper, is defeated
Overcurrent protection out.
Further, two-way Charge Management monitoring modular M3 includes flowing voltage reference module M31, sampling conditioning module
M32, PWM control module M33, two-tube drive module M34, synchronous buck module M35, current sampling module M36 and voltage sample
Module M37；Main power source E0 is respectively that backup power source 1E1 and backup power source 2E2 charges by two-way synchronous buck module M35,
In charging process, respectively by current sampling module M36 and voltage sample module M37 to backup power source 1E1 and backup power source
The charging current and charging voltage of 2E2 carries out real-time sampling, while main power source E0 is adopted by stream voltage reference module M31 driving
Sample conditioning module M32 receives sampled data, is further divided into after two-way and controls PWM control module M33 respectively, then passes through two-tube driving
Module M34 is respectively adjusted charging current and charging voltage, thus reach backup power source 1E1 and backup power source 2E2 voltage,
The height of electric current is consistent.
Further, two-way electric discharge management monitoring modular M4 includes current mirror sample circuit module 1M41, current mirror
Sample circuit module 2M42, metal-oxide-semiconductor 5Q5 is flowed, metal-oxide-semiconductor 6Q6 is flowed, flows voltage reference module M45, electric discharge current-sharing module
M43 and DC-DC power module M44；Sampling monitoring two-way backup power source is put respectively by the current mirror sample circuit module M41
Electric current is compared with stream voltage reference module M45, and monitoring discharge process is in stream metal-oxide-semiconductor conducting in DSON resistance value
Pressure drop flow metal-oxide-semiconductor by the way that the control of the output signal of current-sharing module is external when wherein two groups of battery discharge currents are inconsistent
The linear regulating cell of conducting degree discharge current, so that reaching two-way backup power source banishes electricity.
Further, two-way Charge Management monitoring modular M3 is while monitoring battery charging voltage, charging current, in conjunction with
Voltage, the electric current of two-way electric discharge management monitoring modular M4 monitoring battery discharge, to make the charge and discharge height of battery combine, really
The electricity for protecting every piece of battery can make full use of, and extend the service life of battery.
Further, the method compared by voltage sample, at the same provide main power source and backup power source, backup power source with it is standby
With the uninterrupted seamless switching between power supply, and then reach that switching time is short, with carrying the high effect of power.
It is obtained by the present invention to have the beneficial effect that
Guarantee single machine high reliability by system-level and device level reliability design；Pass through shielding, filtering and filter
Design, realizes good Electro Magnetic Compatibility；Good temperature drift control is realized by temperature-compensation circuit, improves control and detection
Precision.Power-supply management system of the invention is small in size, low in energy consumption, highly reliable, and it is automatically controlled in charge and discharge to solve power supply management device
The problem that the precision controlling requirement faced when system and detection conditioning is high, temperature drift control is difficult.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of power-supply management system of the invention；
Fig. 2 is a kind of schematic diagram of main power source monitoring and protecting circuit module embodiment；
Fig. 3 is a kind of schematic diagram of two-way Charge Management monitoring modular embodiment；
Fig. 4 is a kind of schematic diagram of two-way electric discharge management monitoring modular embodiment.
In figure: E0. main power source, E1. backup power source 1, E2. backup power source 2, M0. instrument of surveying and mapping, the monitoring of M1. main power source are protected
Protection circuit module, M2. backup power source protective module, M3. two-way Charge Management monitoring modular, M4. two-way electric discharge management monitoring mould
Block, M5. multi-way switch circuit module bracing wire, C1. main power source assurance module, R1. current sampling resistor, R2. voltage sample resistance,
Q1. metal-oxide-semiconductor 1 is flowed, Q2. flows metal-oxide-semiconductor 2, and Q3. flows metal-oxide-semiconductor 3, and Q5. flows metal-oxide-semiconductor 1, and Q6. flows metal-oxide-semiconductor 1, U1. electricity
Pressure amplifier, U2. current limit circuit, A1. reference current source, A2. reference voltage source, M31. flow voltage reference module,
M32. conditioning module is sampled, M33.PWM control module, the two-tube drive module of M34., M35. synchronous buck module, M36. electric current adopts
Egf block, M37. voltage sample module, M41. current mirror sample circuit module 1, M42. current mirror sample circuit module 2,
Q5. metal-oxide-semiconductor 5 is flowed, Q6. flows metal-oxide-semiconductor 6, and M45. flows voltage reference module, M43. electric discharge current-sharing module and M44.DC-
DC power module.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, the skill that the given examples are served only to explain the present invention
Art scheme, is not intended to limit the scope of the present invention.
1, system power supply
Instrument of surveying and mapping is instrument power supply by system main power source, together in the case where there is 220V alternating current as shown in Figure 1:
When using two-way Charge Management, charging monitoring modular be two-way backup power source charge.When main power source power-off, backup power source passes through
Two-way electric discharge management, monitoring modular and multy-way switching module are instrument of surveying and mapping power supply.
System Working Principle
As shown in Figure 2: main power source monitoring and protecting circuit provides main power source multiple protection functions
Input power protection to error-polarity connection: when system power supply reversal connection Shi Junliu metal-oxide-semiconductor 1Q1 non-grid power supply, close Q1 pipe
It is disconnected.
Input power overvoltage/undervoltage, output clamper: when system power supply over-voltage or it is under-voltage when, system is adopted by voltage sample resistance
Collect current voltage, is compared by voltage amplifier U1 with reference voltage source.Metal-oxide-semiconductor 1Q1 is flowed by diode control, is made
The out-put supply clamper of system is in the range of setting.
Output overcurrent protection: when overcurrent occurs in system power supply, system passes through current sampling resistor R3 acquisition system electric current.It is logical
The grid for crossing active current limit circuit U2 control Q1 turns off Q1 in time, protects equipment.Different use environments can be passed through
Different Protection parameters are equipped with, power requirement when instrument is able to satisfy aviation, vehicle-mounted, boat-carrying is tested is made.Making for instrument is expanded
Use range.
As shown in Figure 3: the two-way Charge Management, charging monitoring modular, when system is that battery charges, charging current is logical
It crosses 0.01 ohm of sampling resistor and gives sampled signal to electric current, voltage mirror sampling, conditioning circuit module.Charging voltage passes through
Electricity group R1 and R2, which is divided, feeds back to electric current, voltage mirror sampling, conditioning circuit module for charging voltage.Electric current, voltage mirror are adopted
Sample, conditioning circuit module will send respectively PWM controller to remove to control every road battery charging voltage, charging current after signal condition.
As shown in Figure 4: when backup power source E1 or E2 are that instrument is powered, the discharge current of backup power source E1 is by flowing
The conducting resistance of metal-oxide-semiconductor 5Q5 acquires, and amplifies in current mirror sample circuit 1.The discharge current of backup power source E2 passes through equal
The conducting resistance acquisition of metal-oxide-semiconductor 6Q6 is flowed, and is amplified in current mirror sample circuit 2.By backup power source E1's in current-sharing module
The stream reference signal co- controlling of the same setting of discharge current signal of discharge current signal, backup power source E2 flows metal-oxide-semiconductor
The grid voltage of 5Q5 and the grid voltage for flowing metal-oxide-semiconductor 6Q6.The equal of battery discharge current is controlled in certain voltage range
Stream.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of power-supply management system of instrument of surveying and mapping, which is characterized in that including main power source monitoring and protecting circuit module (M1), standby
It is cut with power source protective module (M2), two-way Charge Management monitoring modular (M3), two-way electric discharge management monitoring modular (M4) and multichannel
Change circuit module (M5)；
The external input terminals of the main power source monitoring and protecting module (M1) connect main power source (E0), and output end is separately connected two-way and fills
Fulgurite manages monitoring modular (M3) and multi-way switch circuit module (M5)；
The exterior input terminal of the backup power source protective module (M2) is separately connected backup power source (E1) and backup power source
(E2), output end connection two-way electric discharge management monitoring modular (M4)；
The output end of the two-way Charge Management monitoring modular (M3) connects backup power source protective module (M2)；
The input terminal of the multi-way switch circuit module (M5) is also connected with two-way electric discharge management monitoring modular (M4), external output end
It connects instrument of surveying and mapping (M0).
2. power-supply management system according to claim 1, which is characterized in that main power source monitoring and protecting circuit module (M1) packet
Main power source assurance module (C1) is included, current sampling resistor (R1), voltage sample resistance (R2), metal-oxide-semiconductor 1 (Q1) is flowed, flows MOS
Pipe 2 (Q2) flows metal-oxide-semiconductor 3 (Q3), diode, voltage amplifier (U1), current limit circuit (U2), reference current source (A1)
With reference voltage source (A2), main power source assurance module (C1) flows metal-oxide-semiconductor 2 (Q2) with stream metal-oxide-semiconductor 1 (Q1), respectively, flows
Metal-oxide-semiconductor 3 (Q3) be connected, voltage amplifier (U1) respectively with reference current source (A1) and current sampling resistor (R1), current limit
Circuit (U2) with reference voltage source (A2) and voltage sample resistance (R2), flows metal-oxide-semiconductor 3 (Q3) and two-way Charge Management is supervised respectively
It surveys module (M3) to be connected, after current sampling resistor (R1) and voltage sample resistance (R2) connection, with multi-way switch circuit module
(M5) be connected, thus make main power source monitoring and protecting circuit module have input power protection to error-polarity connection, input power overvoltage/undervoltage,
Export clamper, output overcurrent protection.
3. power-supply management system according to claim 1, which is characterized in that two-way Charge Management monitoring modular (M3) includes
It flows voltage reference module (M31), sampling conditioning module (M32), PWM control module (M33), two-tube drive module (M34), same
Walk voltage reduction module (M35), current sampling module (M36) and voltage sample module (M37)；Main power source (E0) is dropped by the way that two-way is synchronous
Die block (M35) is respectively backup power source 1 (E1) and backup power source 2 (E2) charging, during the charging process, is adopted respectively by electric current
The charging current and charging of egf block (M36) and voltage sample module (M37) to backup power source 1 (E1) and backup power source 2 (E2)
Voltage carries out real-time sampling, while main power source (E0) passes through stream voltage reference module (M31) driving sampling conditioning module (M32)
Sampled data is received, is further divided into after two-way and controls respectively PWM control module (M33), then respectively by two-tube drive module (M34)
Charging current and charging voltage are adjusted, to reach backup power source 1 (E1) and backup power source 2 (E2) voltage, electric current
Height is consistent.
4. power-supply management system according to claim 1, which is characterized in that two-way electric discharge manages monitoring modular (M4) and includes
Current mirror sample circuit module 1 (M41), flows metal-oxide-semiconductor 5 (Q5), flows MOS at current mirror sample circuit module 2 (M42)
Pipe 6 (Q6) flows voltage reference module (M45), electric discharge current-sharing module (M43) and DC-DC power module (M44)；The electric current
The discharge current of mirror image sample circuit module (M41) sampling monitoring backup power source 1 (E1) and backup power source 2 (E2) respectively, and it is equal
Stream voltage reference module (M45) is compared, pressure drop of the monitoring discharge process in stream metal-oxide-semiconductor conducting in DSON resistance value, when
When wherein two groups of battery discharge currents are inconsistent, pass through the external conducting journey for flowing metal-oxide-semiconductor of output signal control of current-sharing module
The discharge current for spending linear regulation battery, so that reaching two-way backup power source banishes electricity.
5. power-supply management system according to claim 1, which is characterized in that two-way Charge Management monitoring modular (M3) is being supervised
Survey battery charging voltage, charging current while, in conjunction with two-way discharge management monitoring modular (M4) monitoring battery discharge voltage,
Electric current, so that the charge and discharge height of battery be made to combine, it is ensured that the electricity of every piece of battery can make full use of, and extend making for battery
Use the service life.
6. multi-way switch circuit according to claim 1, which is characterized in that the method compared by voltage sample, simultaneously
Main power source (E0) and backup power source 1 (E1) or backup power source 2 (E2) and backup power source 1 (E1) and backup power source 2 (E2) are provided
Between uninterrupted seamless switching, and then reach that switching time is short, with carrying the high effect of power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910161514.8A CN109873489B (en) | 2019-03-04 | 2019-03-04 | Power management system of surveying instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910161514.8A CN109873489B (en) | 2019-03-04 | 2019-03-04 | Power management system of surveying instrument |
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| CN109873489A true CN109873489A (en) | 2019-06-11 |
| CN109873489B CN109873489B (en) | 2021-11-05 |
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| CN201910161514.8A Active CN109873489B (en) | 2019-03-04 | 2019-03-04 | Power management system of surveying instrument |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110509810A (en) * | 2019-09-23 | 2019-11-29 | 绵阳高新区恒奥电子科技有限公司 | Charging pile with second source system |
| CN110718961A (en) * | 2019-11-27 | 2020-01-21 | 成都天马微电子有限公司 | Power supply circuit, control method thereof and display device |
| CN111478570A (en) * | 2020-05-08 | 2020-07-31 | 中国南方电网有限责任公司超高压输电公司天生桥局 | PMOS-based low-power-consumption redundant current-sharing circuit |
| CN111580590A (en) * | 2020-05-08 | 2020-08-25 | 中国南方电网有限责任公司超高压输电公司天生桥局 | NMOS-based low-power-consumption redundant current-sharing circuit |
| CN112751377A (en) * | 2019-10-31 | 2021-05-04 | 上海威丁电子科技有限公司 | Power supply control system and method based on temperature compensation |
| CN112886695A (en) * | 2019-11-29 | 2021-06-01 | 台达电子工业股份有限公司 | Uninterruptible power supply system |
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| CN111580590A (en) * | 2020-05-08 | 2020-08-25 | 中国南方电网有限责任公司超高压输电公司天生桥局 | NMOS-based low-power-consumption redundant current-sharing circuit |
| CN111478570B (en) * | 2020-05-08 | 2021-03-19 | 中国南方电网有限责任公司超高压输电公司天生桥局 | PMOS-based low-power-consumption redundant current-sharing circuit |
| CN111580590B (en) * | 2020-05-08 | 2021-04-09 | 中国南方电网有限责任公司超高压输电公司天生桥局 | NMOS-based low-power-consumption redundant current-sharing circuit |
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| CN109873489B (en) | 2021-11-05 |
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