CN207318973U - A kind of servo-control system - Google Patents
A kind of servo-control system Download PDFInfo
- Publication number
- CN207318973U CN207318973U CN201720779438.3U CN201720779438U CN207318973U CN 207318973 U CN207318973 U CN 207318973U CN 201720779438 U CN201720779438 U CN 201720779438U CN 207318973 U CN207318973 U CN 207318973U
- Authority
- CN
- China
- Prior art keywords
- foot
- unit
- servo
- voltage
- control unit
- 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.)
- Active
Links
Landscapes
- Toys (AREA)
Abstract
A kind of servo-control system is the utility model is related to, including：Control unit, VDC（DC voltage）Input detection unit, relay unit, under-voltage unit, brake unit, over-pressed unit, the VDC（DC voltage）Input detection unit is electrically connected with control unit, the relay unit is electrically connected with control unit, and the under-voltage unit is electrically connected with control unit, and the brake unit is electrically connected with control unit, the overvoltage unit is electrically connected with control unit, and described control unit passes through to VDC（DC voltage）The judgement of the magnitude of voltage of input detection unit, realizes that servo-driver occurs carrying out abnormal alarm, a kind of servo-control system of the utility model by controlling after exception.Based on the utility model is handled with low pressure, so securely and reliably, the servo-driver service life length based on AVR single chip, the microcontroller speed of service is fast, so time delay is short, can timely processing input/output signal, maloperation will not be produced.
Description
Technical field
Technical field of servo control is the utility model is related to, more particularly to a kind of servo-control system.
Background technology
Servo-drive system can by feedback regulation export follow input change and change so that accurately follow or
Reappear some process, therefore be applied to more and more widely in every field, this causes to the stability of servo-drive system and can
Requirement by property is also higher and higher.
It is connected under many application scenarios using operational amplifier with resitstance voltage divider to carry out the protection acts such as overvoltage, but
It is that circuit is usually relatively complex, time delay is longer, electric circuit electronics technical component is easily burnt, it is easy to servo-drive occur
Device damages, the loss for causing to retrieve to client and our companies.
Since because industrial electro is unstable, when alternating current AC is between 176V ~ 272V, servo-driver works normally, when
Alternating current AC is less than 176V, and servo-driver undervoltage warning will work, and driver will be out of service, at this time if do not reported
Alert, servo-drive, which is had a high regard for, so to be run, and can cause to drive that motor vibrating is big, and the product made is unqualified, when alternating current AC exists
Between 272V ~ 279V, driver is easily damaged, and when alternating current AC is more than 279V, servo-drive, which is had a high regard for, so to be run, and can cause to watch
Take the damage of driver.The running environment of driver is complicated, and Accelerating running or moment stopping, easily causing at this time sometimes
Main circuit voltage is excessive, at this moment just needs to ensure servo-driver safe operation by braking electric discharge.
The content of the invention
The utility model is intended to solve at least some of the technical problems in related technologies.For this reason, this reality
It is the control device and servo-drive system that propose a kind of servo-drive system, the control dress of the servo-drive system with a new purpose
Put, the abnormal of servo-driver can be directed to and carry out alarm setting, while when servo-driver normal operation, can be according to not
Same environment makes corresponding processing, while the job stability of servo-drive system is ensured, to reduce the circuit of servo-drive system
Complexity, improves the circuit reliability of servo-drive system.
To achieve these goals, in some embodiments of the utility model, a kind of servo-control system, bag
Include：Control unit, VDC（DC voltage）Input detection unit, relay unit, under-voltage unit, brake unit, over-pressed unit,
The VDC（DC voltage）Input detection unit is electrically connected with control unit, and the relay unit is electrically connected with control unit,
The under-voltage unit is electrically connected with control unit, and the brake unit is electrically connected with control unit, the overvoltage unit and control
Unit is electrically connected, and described control unit passes through to VDC（DC voltage）The judgement of the magnitude of voltage of input detection unit, realizes servo
Driver occurs carrying out abnormal alarm by controlling after exception, can facilitate staff's timely processing, when servo-driver just
Corresponding processing can be often made during operation according to different environment and carries out braking discharge treatment as main circuit voltage is excessive.
Further, the VDC（DC voltage）Input detection unit includes, main loop circuit VDD, operation amplifier electricity
Road, input detection voltage VDC, the VDC（DC voltage）Input detection unit causes main loop circuit VDD to pass through operation amplifier
The ratio for making the input detection voltage VDC and main loop circuit VDD after circuit is 0.01.
Further, the abnormal alarm is specially：Undervoltage warning, over voltage alarm, braking abnormal alarm.
Further, the servo-driver is the servo-driver based on AVR single chip.
Further, the relay unit is specially：Relay unit circuit component U4, U5, R6：11 feet of U4
RB2 exports 5V, and interior light emitting diodes turn between causing 1 foot, 2 foot of U5, so being turned between 3 foot, 4 foot of U5,3 feet of U5
This signal is turned between 4 feet can be transmitted to relay driving triode, be attracted so as to fulfill relay, and relay is not attracted principle
It is on the contrary.
Further, the under-voltage unit is specially：Undervoltage warning circuit component U1, U4, R4：The 6 foot RC4 outputs of U4
0V, interior light emitting diodes are not turned between causing 1 foot, 2 foot of U1, so being not turned between 3 foot, 4 foot of U1,3 foot, 4 foot of U1
Between be not turned on this signal and can be transmitted to host computer, so as to fulfill undervoltage warning.
Further, the brake unit is specially：The 10 foot RC2 output 5V of brake circuit component U4, U6, R7, U4,
Interior light emitting diodes turn between causing 2 foot, 3 foot of U6, so the high level signal of the 6 feet output of U6 can be transmitted to braking three
Pole pipe, discharges so as to fulfill braking.
Further, the over-pressed unit is specially：Over voltage alarm circuit component U3, U4, R5, the 8 foot RC3 outputs of U4
0V, interior light emitting diodes are not turned between causing 1 foot, 2 foot of U3, so being not turned between 3 foot, 4 foot of U3,3 foot, 4 foot of U3
Between be not turned on this signal and can be transmitted to host computer, so as to fulfill over voltage alarm.
The beneficial effects of the utility model be handled with low pressure based on, so securely and reliably, watching based on AVR single chip
Take driver service life length, the microcontroller speed of service is fast, so time delay is short, can timely processing input/output signal,
Maloperation will not be produced.
Brief description of the drawings
Fig. 1 is a kind of servo-control system electrical block diagram of the utility model.
Fig. 2 is a kind of servo-control system flowage structure schematic diagram of the utility model.
Fig. 3 is a kind of servo-control system VDC of the utility model（DC voltage）Input detection unit circuit structure is illustrated
Figure.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on shown in the drawings
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the utility model, " multiple " are meant that at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first
Feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the utility model, device and symbol description are as follows in circuit：
VDD represents main circuit voltage, and M- represents the ground of major loop；
D5V ,+15, -15 are all power supplies, and magnitude of voltage is 5V ,+12V, -12V respectively；
AGND be D5V ,+15, -15 publicly；
VDC is the voltage that main loop circuit VDD is produced after scaling circuit；
RB2 is control unit ATTINY24（Or ATTINY44 or ATTINY84）Output signal, for controlling relay
Unit；
RC2 is control unit ATTINY24（Or ATTINY44 or ATTINY84）Output signal, for controlling braking single
Member；
RC3 is control unit ATTINY24（Or ATTINY44 or ATTINY84）Output signal, it is over-pressed single for controlling
Member；
RC4 is control unit ATTINY24（Or ATTINY44 or ATTINY84）Output signal, for controlling under-voltage list
Member；
RC5 is control unit ATTINY24（Or ATTINY44 or ATTINY84）Output signal, for regenerative braking believe
Number；
R7* represents a section lead；
Electronic component-resistance R48, R49, R50, R51, R52, R53：Resistance value is all 300K, is encapsulated as 1210, and precision is
1% or 5%；
Electronic component-capacitance C36, C37：Capacitance is all 100NF, is encapsulated as 0805, precision is 10% or 20%；
Electronic component-resistance R54, R55：Resistance value is all 9.1K, is encapsulated as 0805, precision is 1% or 5%；
Electronic component-resistance R41, R42：Resistance value is all 5.1K, is encapsulated as 0805, precision is 1% or 5%；
The full title ZM4746 of electronic component-zener diode FD12, FD13, is encapsulated as LL41；
The full title RC4558DRG4 of electronic component-chip U23, it is same electricity to be encapsulated as SOIC, U23A and U23B
The two-way of sub- component RC4558；
Electronic component-resistance R3, R4, R5, R6：Resistance value is all 1K, is encapsulated as 0805, precision is 1% or 5%；
Electronic component-resistance R56：Resistance value is 220 Europe, is encapsulated as 1210, precision is 1% or 5%；
Electronic component-resistance R7：Resistance value is 470 Europe, is encapsulated as 1206, precision is 1% or 5%；
Electronic component-resistance R8：Resistance value is 3K, is encapsulated as 1206, precision is 1% or 5%；
Electronic component-capacitance C19：Capacitance is 100NF, is encapsulated as 0805, precision is 10% or 20%；
Electronic component-capacitance C12, C13：Capacitance is all 20PF, is encapsulated as 0805, precision is 10% or 20%；
Electronic component-crystal oscillator：Frequency is 8MHZ, is encapsulated as straight cutting；
The full title of electronic component-chip U1, U2, U3, U5 is all TLP185, is encapsulated as SOP-4；
The full title PC925L of electronic component-chip U6, is encapsulated as SOP-8；
The full title LM7805 of electronic component-chip ZD1, is encapsulated as TO-220；
The full title ATTINY24 of electronic component-chip U4（Or ATTINY44 or ATTINY84）[ATTINY24（Or
ATTINY44 or ATTINY84）Simply FLASH is different, is 2k, 4k, 8k respectively], it is encapsulated as SOIC.
As shown in Figs. 1-3, a kind of servo-control system of the utility model, including a kind of servo-drive system, including：Control is single
Member, VDC（DC voltage）Input detection unit, relay unit, under-voltage unit, brake unit, over-pressed unit, the VDC（Directly
Galvanic electricity pressure）Input detection unit is electrically connected with control unit, and relay unit is electrically connected with control unit, under-voltage unit and control
Unit is electrically connected, and the brake unit is electrically connected with control unit, and over-pressed unit is electrically connected with control unit, and control unit passes through
To VDC（DC voltage）The judgement of the magnitude of voltage of input detection unit, realize servo-driver occur after exception by control into
Row abnormal alarm, can facilitate staff's timely processing, can be according to different environment when servo-driver normal operation
Make corresponding processing and carry out braking discharge treatment as main circuit voltage is excessive.
Further VDC（DC voltage）Input detection unit includes, main loop circuit VDD, operational amplification circuit, input
Detect voltage VDC, the VDC（DC voltage）Input detection unit causes main loop circuit VDD after operational amplification circuit
The ratio for making the input detection voltage VDC and main loop circuit VDD is 0.01.
Further abnormal alarm is specially：Undervoltage warning, over voltage alarm, braking abnormal alarm.
Further, servo-driver is the servo-driver based on AVR single chip.
Operation principle is as follows：
As shown in Figure 3, VDC（DC voltage）Input detection unit operation principle：
The voltage of VDD major loops is dynamic electric voltage, is changed with the change of alternating current, by taking VDD is 310V as an example： VDD
It is 310V to M- voltages, the 1 foot electricity of U23A after 6 300K resistance and 2 10K resistance and U23A difference scaling circuits
Press as 3.1V；The voltage of 1 foot voltage VDC after U23B, R41 and R42 voltage follower of U23A is 3.1V, wherein VDD/
VDC=100/1。
A kind of operation principle of servo-control system as shown in Figures 1 and 2：
When the magnitude of voltage of D5V ,+15, -15 is respectively 5V ,+12V, -12V, the power supply of whole circuit is normal, can normally into
Row signal processing；When（2.5<VDC<3.85）When, relay is attracted, and alarm free output, servo-driver is working properly, i.e. RB2,
RC3, RC4, RC5 export 5V high level, RC2 output 0V low levels respectively；As VDC≤2.5V, undervoltage warning and relay are not
It is attracted：RB2, RC4 export 0V low levels respectively；As VDC≤3.8V, braking electric discharge：RC2 exports the pulse of 20MS pulsewidths；When
During VDC≤3.95V, over voltage alarm：RC3 exports 0V low levels.
Concrete operating principle is as follows：Relay unit operation principle：Relay unit circuit component U4, U5, R6：U4's
11 foot RB2 export 5V, and interior light emitting diodes turn between causing 1 foot, 2 foot of U5, so being turned between 3 foot, 4 foot of U5, U5
3 foot, 4 foot between turn on this signal and can be transmitted to relay driving triode, be attracted so as to fulfill relay, relay is not inhaled
It is on the contrary to close principle；Undervoltage warning operation principle：Undervoltage warning circuit component U1, U4, R4：The 6 foot RC4 output 0V of U4, cause
Interior light emitting diodes are not turned between 1 foot, 2 foot of U1, so being not turned between 3 foot, 4 foot of U1, between 3 foot, 4 foot of U1 not
Host computer can be transmitted to by turning on this signal, so as to fulfill undervoltage warning；Brake unit operation principle：Brake circuit component U4,
U6, R7, the 10 foot RC2 output 5V of U4, interior light emitting diodes turn between causing 2 foot, 3 foot of U6, so the 6 feet output of U6
High level signal can be transmitted to braking triode, so as to fulfill braking discharge；Over voltage alarm principle：Over voltage alarm circuit component
U3, U4, R5, the 8 foot RC3 output 0V of U4, interior light emitting diodes are not turned between causing 1 foot, 2 foot of U3, so 3 feet 4 of U3
It is not turned between foot, host computer can be transmitted to by being not turned on this signal between 3 foot, 4 foot of U3, so as to fulfill over voltage alarm.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example must be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
Combined in an appropriate manner in any one or more embodiments or example.In addition, without conflicting with each other, this area
Technical staff can by the different embodiments or example described in this specification and different embodiments or exemplary feature into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (8)
- A kind of 1. servo-control system, it is characterised in that a kind of servo-drive system, including：Control unit, VDC input detections Unit, relay unit, under-voltage unit, brake unit, over-pressed unit, the VDC input detection units are electrically connected with control unit Connect, the relay unit is electrically connected with control unit, and the under-voltage unit is electrically connected with control unit, the brake unit with Control unit is electrically connected, and the overvoltage unit is electrically connected with control unit, and described control unit passes through to VDC input detection units Magnitude of voltage judgement, realize that servo-driver occurs carrying out abnormal alarm by controlling after exception, staff can be facilitated Timely processing, corresponding processing can be made when servo-driver normal operation according to different environment.
- 2. a kind of servo-control system according to claim 1, it is characterised in that the VDC input detection units include, main Loop circuit VDD, operational amplification circuit, input detection voltage VDC, the VDC input detection units cause main loop circuit VDD The ratio for making the input detection voltage VDC and main loop circuit VDD after operational amplification circuit is 0.01.
- 3. a kind of servo-control system according to claim 1, it is characterised in that the abnormal alarm is specially：Under-voltage report Police, over voltage alarm, braking abnormal alarm.
- 4. a kind of servo-control system according to claim 1, it is characterised in that the servo-driver is with AVR monolithics Servo-driver based on machine.
- 5. a kind of servo-control system according to claim 1, it is characterised in that the relay unit is specially：Relay Device element loop component U4, U5, R6：The 11 foot RB2 output 5V of U4, interior light emitting diodes are led between causing 1 foot, 2 foot of U5 Logical, so being turned between 3 foot, 4 foot of U5, relay driving triode can be transmitted to by turning on this signal between 3 foot, 4 foot of U5, from And realize that relay is attracted, it is on the contrary that relay is not attracted principle.
- 6. a kind of servo-control system according to claim 1, it is characterised in that the under-voltage unit is specially：Under-voltage report Alert circuit component U1, U4, R4：The 6 foot RC4 output 0V of U4, interior light emitting diodes are not turned between causing 1 foot, 2 foot of U1, So being not turned between 3 foot, 4 foot of U1, host computer can be transmitted to by being not turned on this signal between 3 foot, 4 foot of U1, so as to fulfill owing Pressure alarm.
- 7. a kind of servo-control system according to claim 1, it is characterised in that the brake unit is specially：Brake back Road component U4, U6, R7, the 10 foot RC2 output 5V of U4, interior light emitting diodes turn between causing 2 foot, 3 foot of U6, so The high level signal of the 6 feet output of U6 can be transmitted to braking triode, discharge so as to fulfill braking.
- A kind of 8. servo-control system according to claim 1, it is characterised in that it is described overvoltage unit be specially：Overvoltage report Alert circuit component U3, U4, R5, the 8 foot RC3 output 0V of U4, interior light emitting diodes are not turned between causing 1 foot, 2 foot of U3, So being not turned between 3 foot, 4 foot of U3, host computer can be transmitted to by being not turned on this signal between 3 foot, 4 foot of U3, so as to fulfill mistake Pressure alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779438.3U CN207318973U (en) | 2017-06-30 | 2017-06-30 | A kind of servo-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779438.3U CN207318973U (en) | 2017-06-30 | 2017-06-30 | A kind of servo-control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318973U true CN207318973U (en) | 2018-05-04 |
Family
ID=62433425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720779438.3U Active CN207318973U (en) | 2017-06-30 | 2017-06-30 | A kind of servo-control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480265A (en) * | 2018-05-31 | 2018-09-04 | 张家港美斐电梯导轨有限公司 | Automatic elevator guide rail cleaning machine |
-
2017
- 2017-06-30 CN CN201720779438.3U patent/CN207318973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480265A (en) * | 2018-05-31 | 2018-09-04 | 张家港美斐电梯导轨有限公司 | Automatic elevator guide rail cleaning machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103321917B (en) | A kind of water pump operation self-checking unit | |
| CN203895363U (en) | Driving and switch state detection circuit of relay | |
| CN102721923A (en) | Motor phase loss detection method | |
| CN207318973U (en) | A kind of servo-control system | |
| CN105024592B (en) | A kind of BLDC electrical faults State Feedback Approach and application BLDC motors, air-conditioning system | |
| CN203233147U (en) | Low voltage frequency converter with overheating protection function | |
| CN204458457U (en) | The abnormal signalling device of a kind of fan | |
| CN103118895B (en) | With the automobile of high tension supply | |
| CN108427084A (en) | A kind of magnet poles rapid detection system | |
| CN106347257B (en) | A kind of electric vehicle and its master switch system | |
| CN206444456U (en) | A kind of reverse osmosis water purifier water shortage detection circuit | |
| CN2182481Y (en) | Phase-sequence display protector for phase failure and phase error | |
| CN204228809U (en) | A kind of system of super capacitor control and management | |
| CN204316267U (en) | Servomotor magnetic coder | |
| CN204481722U (en) | A kind of switched reluctance machines speed-regulating control device | |
| CN105897074B (en) | A kind of servo-driver | |
| CN202678924U (en) | Automobile short circuit protection circuit | |
| CN103076518B (en) | Straight-bar machines electromagnet state detection circuit | |
| CN209182386U (en) | The airborne device looses power offline inspection circuit of direct current | |
| CN202721434U (en) | Crane protector | |
| CN204436845U (en) | A kind of two fans monitor speed circuit arrangement | |
| CN106891989B (en) | Electronic power assist steering system and its fault handling method, motor and controller | |
| CN203164679U (en) | Automatic security control device for textile manufacturing machine | |
| CN104851219A (en) | Alarm device | |
| CN203906353U (en) | Automatic start-stop device for external fan of self-cooled transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |