CN207994962U - A kind of voltage-controlled system of deep sea environment simulation device - Google Patents
A kind of voltage-controlled system of deep sea environment simulation device Download PDFInfo
- Publication number
- CN207994962U CN207994962U CN201721680229.XU CN201721680229U CN207994962U CN 207994962 U CN207994962 U CN 207994962U CN 201721680229 U CN201721680229 U CN 201721680229U CN 207994962 U CN207994962 U CN 207994962U
- Authority
- CN
- China
- Prior art keywords
- unit
- direct current
- voltage
- current generator
- controlled system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of voltage-controlled system of deep sea environment simulation device, including environmental capsule, high-pressure hydraulic pump, direct current generator, rotating speed collecting unit, current acquisition unit, control unit, PWM conditioning units, electric-motor drive unit, display unit and communication unit.The utility model is used using ATmega8L microcontrollers as the control unit of core, using ECN30206 as the driving unit of core and using MAX7219 as the display unit of core, three parts are mutual indepedent, it can individually select, meets the needs of different occasions, it is whole that closed-loop control system is constituted again, it can ensure the precise and stable control of abyssal environment simulation system pressure, and it may be implemented to be continuously adjusted, simultaneously to the working condition real-time display of direct current generator, curve record and playback function are realized in upper computer end, system can simulated sea bottom extreme marine environment, also general marine environment can be simulated.
Description
Technical field
The utility model is related to ocean development engineer equipment technical field, more particularly to a kind of abyssal environment simulates voltage-controlled system
System.
Background technology
Deep seafloor has a large amount of mineral resources and microbiologic population, biogenic mineralization, life to being carried out under the environment
The problem research of life origin etc., it will help illustrate Deep-Sea Microorganisms by pressure controlled metabolic mechanism, obtain the extreme of preciousness
Environment genetic resources are of great significance to a series of disciplinary studies such as geology, geochemistry and life science.However by
It is in deep-sea extreme environment this particularity in it, it is difficult to it is on the spot in person to be observed and studied, it needs to establish sea in laboratory
The simulation system of bottom extreme environment is tested that related science is coordinated to study.
Utility model content
(1) the technical issues of solving
To solve the above-mentioned problems, the utility model provides a kind of voltage-controlled system of deep sea environment simulation device, can be with
Ensure the precise and stable control of abyssal environment simulation system pressure, and may be implemented to be continuously adjusted, can simulated sea bottom extreme ocean
Environment can also simulate general marine environment.
(2) technical solution
A kind of voltage-controlled system of deep sea environment simulation device, including environmental capsule, high-pressure hydraulic pump, direct current generator, rotating speed
Collecting unit, current acquisition unit, control unit, PWM conditioning units, electric-motor drive unit, display unit and communication unit；
The rotating speed collecting unit acquires the rotary speed information of the direct current generator, and it is single that output pulse signal is sent into the control
Member；The current acquisition unit acquires the operating current information of the direct current generator, and output analog voltage signal is sent into the control
Unit processed；Described control unit handles the rotary speed information of acquisition and the operating current information, exports described straight
The PWM speed-regulating signals of galvanic electricity machine；The PWM conditioning units adjust the PWM speed-regulating signals that described control unit exports
Reason obtains desired output signal, is sent into the electric-motor drive unit；The electric-motor drive unit receives the PWM speed-regulating signals
Control the rotating speed of the direct current generator；The direct current generator drives the high-pressure hydraulic pump that the environmental capsule is supplied to continuously may be used
The pressure source of tune；Described control unit is also connected with the display unit, the rotating speed for the direct current generator that processing is obtained
It is sent into the display unit with operating current and carries out real-time display；Described control unit will be calculated by the communication unit
Data be uploaded to host computer, while the tachometer value of setting and working current value are sent to described control unit by the host computer
It is stored；
The direct current generator selects the three-phase brushless dc motor of 4 pairs of magnetic poles；Rotating speed collecting unit preferred site passes
Sensor detects the position signal of the direct current generator, and the quantity of the position sensor is 3, is placed at interval of 30 °；
Described control unit selects 8 AVR microprocessors ATmega8L.
Further, the rotating speed collecting unit includes position sensor, the first isolator, first~3rd resistor,
One and second capacitance, wherein the position sensor selects Hall switch EW632, first isolator to select photoelectric coupling
Device P521.
Further, the current acquisition unit includes current sensor, operational amplifier, rheostat, the 4th~the 7th
Resistance, the third and fourth capacitance, wherein the current sensor selects Hall current sensor ACS712, the operational amplifier
Select four-operational amplifier LM324.
Further, the PWM conditioning units include the second isolator, the first diode, the 5th~the eight capacitance and the
Eight~twelfth resistor, wherein it is Schottky two that second isolator, which selects photoelectrical coupler P521, first diode,
Pole pipe, the 7th capacitance are electrolytic capacitor.
Further, the electric-motor drive unit includes direct current generator drive control device, second and third diode, the 9th
~the ten one capacitance and the 13rd~the 17th resistance, wherein the direct current generator drive control device selects integrated drive chips
ECN30206。
Further, the display unit includes 88 piece of digital light-emitting diode displays, LED digital-scroll techniques drivers and the tenth
Eight resistance, wherein the LED digital-scroll techniques driver selects MAX7219.
Further, the communication unit is RS485 interface communications, and the communication unit selects RS485 drivers
MAX487。
(3) advantageous effect
The utility model provides a kind of voltage-controlled system of deep sea environment simulation device, uses with ATmega8L microcontrollers
For the control unit of core, using ECN30206 as the driving unit of core and using MAX7219 as the display unit of core, three parts
Independently of each other, it can individually select, meet the needs of different occasions, and it is whole to constitute closed-loop control system, it is ensured that deep-sea
The precise and stable control of environmental simulation system pressure, and may be implemented to be continuously adjusted, while it is real-time to the working condition of direct current generator
Display realizes curve record and playback function in upper computer end, system can simulated sea bottom extreme marine environment, can also simulate one
As marine environment, simple in structure, cost-effective, accuracy of detection is high, fast response time, and stability and good reliability use
Flexibly, scalability is strong, applied widely, can provide beneficial reference for other voltage-controlled systems.
Description of the drawings
Fig. 1 is a kind of structure diagram of the voltage-controlled system of deep sea environment simulation device involved by the utility model.
Fig. 2 is a kind of rotating speed collecting unit electricity of the voltage-controlled system of deep sea environment simulation device involved by the utility model
Road schematic diagram.
Fig. 3 is a kind of current acquisition unit electricity of the voltage-controlled system of deep sea environment simulation device involved by the utility model
Road schematic diagram.
Fig. 4 is a kind of PWM conditioning unit electricity of the voltage-controlled system of deep sea environment simulation device involved by the utility model
Road schematic diagram.
Fig. 5 is a kind of electric-motor drive unit electricity of the voltage-controlled system of deep sea environment simulation device involved by the utility model
Road schematic diagram.
Fig. 6 is that a kind of display unit circuit of the voltage-controlled system of deep sea environment simulation device involved by the utility model is former
Reason figure.
Specific implementation mode
The embodiment involved by the utility model is described in further details below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of voltage-controlled system of deep sea environment simulation device, including environmental capsule, high-pressure hydraulic pump, direct current
Motor, rotating speed collecting unit, current acquisition unit, control unit, PWM conditioning units, electric-motor drive unit, display unit and logical
Believe unit；Rotating speed collecting unit acquires the rotary speed information of direct current generator, and output pulse signal is sent into control unit；Current acquisition list
The operating current information of member acquisition direct current generator, output analog voltage signal are sent into control unit；Control unit turns acquisition
Fast information and operating current information are handled, and the PWM speed-regulating signals of direct current generator are exported；PWM conditioning units are to control unit
The PWM speed-regulating signals of output are improved to obtain desired output signal, are sent into electric-motor drive unit；Electric-motor drive unit receives
PWM speed-regulating signals control the rotating speed of direct current generator；Direct current generator drives high-pressure hydraulic pump that environmental capsule is supplied to be continuously adjusted
Pressure source；Control unit is also connected with display unit, and the rotating speed and operating current of the direct current generator that processing is obtained, which are sent into, to be shown
Show that unit carries out real-time display；The data being calculated are uploaded to host computer by control unit by communication unit, while upper
The tachometer value of setting and working current value are sent to control unit and stored by machine.
Because microcontroller price is low, resourceful in piece and can flexibly program, system is made using microcontroller
Core in order to control.Control unit selects 8 AVR microprocessor ATmega8L, high-performance, low-power consumption to have advanced RISC
Structure, internal 8K bytes may be programmed Flash, 512 byte EEPROM and 1K bytes SRAM.Two have independent pre-divider 8
Bit timing device/counter, one of them has comparing function；One with pre-divider, 16 of comparing function and capture function
Timer/counter；Triple channel PWM；8 10, tunnel ADC；Two programmable serial USART；It is operable with host/slave mould
Analog comparator etc. in the SPI serial line interfaces and piece of formula.Operating voltage is 2.7~5.5V, and working frequency is up to 8MHz, system
Power consumption is extremely low：Operating mode 3.6mA；Idle mode 1.0mA；Power-down mode is only 0.5uA.
Rotating speed measring is extremely important for voltage-controlled system, since voltage-controlled system is mainly the closed-loop control system being made of rotating speed
System, so it is the key that voltage-controlled system to obtain DC motor speed.As shown in Fig. 2, rotating speed collecting unit includes position sensor
U1, isolator U2, resistance R1~R3, capacitance C1 and C2, Position Sensor U1 select Hall switch EW632, isolator U2
Select photoelectrical coupler P521.The direct current generator that system is selected is the three-phase brushless dc motor of 4 pairs of magnetic poles, so a machinery
Angle is 90 °, and conductance current flow angle is 30 °, thus the quantity of Hall switch EW632 is 3, one is put at interval of 30 °, to detect direct current
The position of rotor.Export the position signal of direct current generator by Hall switch EW632, direct current generator output pulse signal, but
Pulse signal interference is bigger, cannot be directly by ATmega8L processing, so extraction must be filtered to pulse signal.Pulse
Signal harmonic is relatively more, and capacitance C1 plays the role of filtering.Timer 1 inside ATmega8L has 16 input capture lists
Member captures pulse signal by external pin ICP1, and the rotating speed of direct current generator can be calculated according to the difference captured twice.
Photoelectrical coupler P521 is to avoid sealing in interference in order to avoid driving unit and its interface circuit are influenced by strong voltage, to protect
Demonstrate,prove normal operation circuit.
As shown in figure 3, current acquisition unit includes current sensor U3, operational amplifier U4, rheostat Rw1, resistance R4
~R7, capacitance C3 and C4, wherein current sensor U3 select Hall current sensor ACS712, operational amplifier U4 to select four fortune
Calculate amplifier LM324.Hall current sensor ACS712 restores electricity by Hall element, driving element, deviation adjusting circuit, signal
Road and signal amplification circuit composition, have the characteristics that price is low, precision is high, good insulation preformance.ACS712 is zero in input current
When VO feet export 2.5V, 2.5V voltages are generated by rheostat Rw1 partial pressure, make the voltage of operational amplifier U4b output ends from 0V
Start linear change.To improve electric resistance partial pressure carrying load ability, 2.5V voltages had both been made not influenced with late-class circuit, using level-one electricity
Pressure follower makes the voltage of operational amplifier U4a output ends be 2.5V.The voltage of operational amplifier U4b output ends and ACS712's
Electric current is directly proportional between IP1+ feet, IP2+ feet and IP1- feet, IP2- feet.This voltage is sent at the A/D converter of ATmega8L
Reason can be obtained the operating current of direct current generator.Torque closed-loop control can be carried out to direct current generator and overcurrent is protected using this electric current
Shield.
ATmega8L handles the current rotating speed and operating current of direct current generator, and with the tachometer value of setting and work
Current value is compared analysis, is operated under quick PWM mode using timer internal 2, generates high-frequency PWM and controls signal, comes
Adjust the rotating speed of direct current generator.Control signal is improved after generating can just obtain wanted output signal, such as Fig. 4 institutes
Show, PWM conditioning units include isolator U5, diode D1, capacitance C5~C8 and resistance R8~R12, and wherein isolator U5 is selected
Photoelectrical coupler P521, diode D1 are Schottky diode, and capacitance C7 is electrolytic capacitor.ATmega8L also monitors direct current simultaneously
The operating status of motor, when there are the failures such as short circuit, overcurrent, overvoltage, ATmega8L will block PWM output signal, make direct current
Motor stopping.
Electric-motor drive unit is the bridge between ATmega8L and direct current generator, and the PWM output signal of ATmega8L passes through
Electric-motor drive unit acts on direct current generator and carries out speed governing.As shown in figure 5, electric-motor drive unit includes direct current generator drive control
Device U6, diode D2 and D3, capacitance C9~C11 and resistance R13~R17, wherein direct current generator drive control device U6 select integrated
Driving chip ECN30206.M1 is direct current generator.ECN30206 be suitable for DC voltage 500V, 1A hereinafter, power 20~
The brshless DC motor of the three-phase position sensor of 300W.Included 6 full-bridge IGBT switching tubes (upper bridge inside ECN30206
Arm and lower bridge arm) and each fly-wheel diodes of the IGBT with protection, the charge pump circuit promoted for 3 upper bridge arm voltages,
Brshless DC motor directional control circuit, for the surface acoustic wave generation circuit of ECN30206 generation clocks, PWM generation circuits, three
Phase partitioning device, overcurrent and under-voltage protecting circuit and rotor position detection circuit composition.There is commutation control inside three-phase distributor
Table carrys out the on off operating mode of each bridge arm of reasonable distribution according to the value contrasted in table.To keep ECN30206 stable and improving anti-
Interference, it is necessary to each pin is handled, it is appropriate on pin to add pull-up resistor or pull down resistor, in high input impedance
Plus high-frequency bypass capacitor to eliminate sensibility of the high input impedance pin to high frequency noise at pin.
The rotating speed and operating current of display unit real-time display direct current generator, as shown in fig. 6, display unit includes 88 sections
Digital LED display DP1, LED digital-scroll technique driver U7 and resistance R18, wherein LED digital-scroll techniques driver U7 selections
MAX7219.MAX7219 drives 88 piece of digital light-emitting diode display DP1 as LED digital-scroll technique driving chips, shows direct current
The rotating speed and operating current of machine.
ATmega8L also carries out data exchange by communication unit and host computer, and communication unit is RS485 interface communications.
ATmega8L has been internally integrated a string of communication modules, thus only need to one RS485 interface drivers chip of peripheral expansion can with it is upper
Position machine is communicated, and selects MAX487 as driving chip.Two Enable Pins of the RE of MAX487 and DE are connected together, are made
The state that MAX487 is in a certain determination can work, and also save the I/O mouths of ATmega8L.Host computer will by MAX487
The DC motor speed value and working current value of setting are sent to ATmega8L, while the direct current that ATmega8L will be handled well
Machine current rotating speed value and working current value be uploaded to host computer carry out curve fitting, data storage and playback function.
The utility model provides a kind of voltage-controlled system of deep sea environment simulation device, uses with ATmega8L microcontrollers
For the control unit of core, using ECN30206 as the driving unit of core and using MAX7219 as the display unit of core, three parts
Independently of each other, it can individually select, meet the needs of different occasions, and it is whole to constitute closed-loop control system, it is ensured that deep-sea
The precise and stable control of environmental simulation system pressure, and may be implemented to be continuously adjusted, while it is real-time to the working condition of direct current generator
Display realizes curve record and playback function in upper computer end, system can simulated sea bottom extreme marine environment, can also simulate one
As marine environment, simple in structure, cost-effective, accuracy of detection is high, fast response time, and stability and good reliability use
Flexibly, scalability is strong, applied widely, can provide beneficial reference for other voltage-controlled systems.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, all record in detail in the claims.
Claims (7)
1. a kind of voltage-controlled system of deep sea environment simulation device, it is characterised in that：Including environmental capsule, high-pressure hydraulic pump, direct current
Motor, rotating speed collecting unit, current acquisition unit, control unit, PWM conditioning units, electric-motor drive unit, display unit and logical
Believe unit；
The rotating speed collecting unit acquires the rotary speed information of the direct current generator, and output pulse signal is sent into described control unit；
The current acquisition unit acquires the operating current information of the direct current generator, and it is single that output analog voltage signal is sent into the control
Member；Described control unit handles the rotary speed information of acquisition and the operating current information, exports the direct current
The PWM speed-regulating signals of machine；The PWM conditioning units to the PWM speed-regulating signals that described control unit exports improve
To desired output signal, it is sent into the electric-motor drive unit；The electric-motor drive unit receives the PWM speed-regulating signals control
The rotating speed of the direct current generator；The direct current generator drives the high-pressure hydraulic pump that the environmental capsule is supplied to be continuously adjusted
Pressure source；Described control unit is also connected with the display unit, the rotating speed and work of the direct current generator that processing is obtained
Make electric current and is sent into the display unit progress real-time display；The number that described control unit will be calculated by the communication unit
According to being uploaded to host computer, while the tachometer value of setting and working current value are sent to described control unit and carried out by the host computer
Storage；
The direct current generator selects the three-phase brushless dc motor of 4 pairs of magnetic poles；Rotating speed collecting unit preferred site sensor
The position signal of the direct current generator is detected, the quantity of the position sensor is 3, is placed at interval of 30 °；
Described control unit selects 8 AVR microprocessors ATmega8L.
2. a kind of voltage-controlled system of deep sea environment simulation device according to claim 1, it is characterised in that：The rotating speed is adopted
Collection unit includes position sensor, the first isolator, first~3rd resistor, the first and second capacitances, wherein the position passes
Sensor selects Hall switch EW632, first isolator to select photoelectrical coupler P521.
3. a kind of voltage-controlled system of deep sea environment simulation device according to claim 1, it is characterised in that：The electric current is adopted
Collection unit includes current sensor, operational amplifier, rheostat, the 4th~the 7th resistance, the third and fourth capacitance, wherein described
Current sensor selects Hall current sensor ACS712, the operational amplifier to select four-operational amplifier LM324.
4. a kind of voltage-controlled system of deep sea environment simulation device according to claim 1, it is characterised in that：The PWM tune
It includes the second isolator, the first diode, the 5th~the 8th capacitance and eight~twelfth resistor to manage unit, wherein described second
It is Schottky diode that isolator, which selects photoelectrical coupler P521, first diode, and the 7th capacitance is electrolytic capacitor.
5. a kind of voltage-controlled system of deep sea environment simulation device according to claim 1, it is characterised in that：The motor drives
Moving cell includes direct current generator drive control device, second and third diode, the 9th~the 11st capacitance and the 13rd~the tenth
Seven resistance, wherein the direct current generator drive control device selects integrated drive chips ECN30206.
6. a kind of voltage-controlled system of deep sea environment simulation device according to claim 1, it is characterised in that：The display is single
Member includes 88 piece of digital light-emitting diode displays, LED digital-scroll techniques driver and the 18th resistance, wherein the LED digital-scroll techniques drive
Dynamic device selects MAX7219.
7. a kind of voltage-controlled system of deep sea environment simulation device according to claim 1, it is characterised in that：The communication unit
Member is RS485 interface communications, and the communication unit selects RS485 drivers MAX487.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680229.XU CN207994962U (en) | 2017-12-06 | 2017-12-06 | A kind of voltage-controlled system of deep sea environment simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680229.XU CN207994962U (en) | 2017-12-06 | 2017-12-06 | A kind of voltage-controlled system of deep sea environment simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207994962U true CN207994962U (en) | 2018-10-19 |
Family
ID=63804965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721680229.XU Expired - Fee Related CN207994962U (en) | 2017-12-06 | 2017-12-06 | A kind of voltage-controlled system of deep sea environment simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207994962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346807A (en) * | 2021-07-16 | 2021-09-03 | 重庆大学 | Two-phase stepping motor drive control circuit for deep sea electric cradle head |
-
2017
- 2017-12-06 CN CN201721680229.XU patent/CN207994962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346807A (en) * | 2021-07-16 | 2021-09-03 | 重庆大学 | Two-phase stepping motor drive control circuit for deep sea electric cradle head |
| CN113346807B (en) * | 2021-07-16 | 2023-01-31 | 重庆大学 | Two-phase stepping motor drive control circuit for deep sea electric pan-tilt |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202334412U (en) | Brushless DC motor control system | |
| CN102291065A (en) | Brushless direct current motor control device based on DSP (Digital Signal Processor) | |
| CN103248293A (en) | TMS320F2812 based speed regulation controller of brushless DC motor | |
| CN107819414A (en) | A kind of voltage-controlled system of deep sea environment simulation device | |
| CN2786671Y (en) | Distributing type diving electric engine monitoring system based on CAN bus | |
| CN207994962U (en) | A kind of voltage-controlled system of deep sea environment simulation device | |
| CN103457530A (en) | Airborne radar antenna servo control system | |
| CN205753592U (en) | The charge-discharge circuit of solar LED street lamp | |
| CN106849767A (en) | A kind of joint of robot motor-drive circuit | |
| CN106371475A (en) | Multipath temperature control system developed on the basis of STM32 | |
| CN103701369A (en) | Novel high power density DC brushless motor driver circuit | |
| CN203131180U (en) | Control system for electric actuating mechanism of valve | |
| CN205605352U (en) | Oscillating floater wave energy power generation facility and test system thereof | |
| CN206209430U (en) | Multi-channel temperature control system based on STM32 exploitations | |
| CN205192555U (en) | Start -up equipment is felt in spontaneous telex | |
| CN201306166Y (en) | Signal simulator for mud logging unit | |
| CN202502236U (en) | Lightning arrester on-line monitor calibration apparatus | |
| CN207502695U (en) | A kind of Multifunctional power energy detection module of general purpose engine | |
| CN204359811U (en) | The novel rotating speed measurement mechanism of Synchronous generator | |
| CN204463524U (en) | A kind of motor speed measurement conversion actual training device | |
| CN203896245U (en) | AC motor frequency-variable controller | |
| CN107017806A (en) | A kind of multiprocessor permanent-magnet brushless DC electric machine combines governing system | |
| CN205945681U (en) | Electronic switching circuit of low -cost low -power consumption | |
| CN208386347U (en) | A kind of control circuit of electric tool | |
| CN204154906U (en) | Double frequency current signal transmitter in a kind of ocean electrical survey (-ing) system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191231 Address after: 116023 station 401-16, Dalian maker space, Room 102, No. 1, Gaoxin street, Dalian hi tech Industrial Park, Dalian, Liaoning Province Patentee after: Dalian pengfeibo Intelligent Technology Co.,Ltd. Address before: Room 208, Building 212, Hongqi Road, Wuxing District, Huzhou City, Zhejiang Province Patentee before: HUZHOU INSPIRATION ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20211206 |