CN206892597U - Intelligent elevated table master control borad - Google Patents
Intelligent elevated table master control borad Download PDFInfo
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- CN206892597U CN206892597U CN201720518648.7U CN201720518648U CN206892597U CN 206892597 U CN206892597 U CN 206892597U CN 201720518648 U CN201720518648 U CN 201720518648U CN 206892597 U CN206892597 U CN 206892597U
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Abstract
Control technology field is the utility model is related to, especially discloses a kind of intelligent elevated table master control borad, including main control unit；And the electric-motor drive unit being connected with main control unit output end, in addition to the motor position detection unit being connected with main control unit input；The motor position detection unit includes at least motor position detection circuit all the way, the output end of the input connection Hall sensor of each motor position detection circuit, the output end of the motor position detection circuit connects the second capacitor filter, and the second capacitor filter output end connects the input of the main control unit.Voltage detection unit of the present utility model and overcurrent protection detection unit can prevent master control borad from being damaged because of excessively stream or overload, and communication module realization is wireless, has line traffic control；Motor position unit can detect the position of motor rotation, and then accurate control same table adjustable height.
Description
Technical field
Control technology field is the utility model is related to, more particularly, to a kind of intelligent elevated table master control borad.
Background technology
With robot, industry 4.0, made in China 2025 flourish, the performance to general master control, abundant interface
Increasingly urgent Deng requirement, but the general mainboard of in the market is rarely found, and performance comparision is weak, function is few, and protection is not complete, without
Method adapts to the demand in market.
At present state can master control borad generally use microprocessor performance comparision be weak for ATMEGA1280 or STM32F103, locate
Reason speed is slow, and microprocessor dominant frequency is low, and computing capability is poor, and program's memory space is small, can not meet the market demand, and interface
Seldom, it is not easy to expand, poor practicability.
Such as：ATEMGA1280：Dominant frequency 16M, program's memory space 128KB, without digital signal processing function, interface
Few, properties are weak.STM32F103：Dominant frequency 72M, program maximum memory space 512KB, without digital signal processing function, connects
Mouth is few, and performance is general.
And there are following shortcomings when being used for same table in said chip：Need to be inconvenient for operation by button control；Can only be thick
The speed of control lifting slightly and time, reach the purpose of control adjustable height, it is impossible to which the lifting of accurate control same table is high
Degree；And it is by setting fine motion to open in the extreme higher position of same table bottom and extreme lower position to greatest extent that the height of lifting, which reaches,
Close, microswitch is then connected into motor, realize the purpose for closing motor in time, but part needed for the setting is more, structure is multiple
It is miscellaneous, and microswitch service life is short, and fragile, cost is high；In addition, above-mentioned master control borad is complicated, manufacturing cost is high, also
Easily damaged because of excessively stream, overload.
Utility model content
The utility model is for overcome the deficiencies in the prior art, there is provided one kind can control adjustable height in certain limit
Interior, simple in construction intelligent elevated table master control borad.
To achieve these goals, the utility model uses following technical scheme：A kind of intelligent elevated table master control borad, including
Main control unit；And the electric-motor drive unit being connected with main control unit output end, in addition to be connected with main control unit input
Motor position detection unit；The motor position detection unit includes at least motor position detection circuit all the way, each motor position
Put the output end of the input connection Hall sensor of detection circuit, the output end connection second of the motor position detection circuit
Capacitor filter, the second capacitor filter output end connect the input of the main control unit.In the main control unit root
The count value of motor rotation is obtained according to motor position unit, then calculates the current location of same table, judges whether motor runs
In place or bounce-back, then play bounce-back protective effect, so can stop in time when same table rises or drops to the limit or
Bounce-back protection, ensures to be limited to the adjustable height of same table in certain scope, protects same table and motor；Capacitor filtering electricity
Road can ensure the stability of voltage, further improve the accuracy of monitoring；And Hall sensor small volume, space-consuming is few, inspection
The accuracy of survey is high；And without setting microswitch in addition, required part is few, and structure is simpler, and manufacturing cost is lower, and
And it is hardly damaged, service life length.
Further, in addition to main control unit input the voltage detection unit being connected, the voltage detection unit include
The first 100k resistance, the first 10k resistance and the first capacitor filter being sequentially connected, first capacitor filter it is defeated
Go out the input of end connection main control unit.Main control unit judges input terminal voltage by voltage detection unit, detects supply voltage
It is whether over-pressed, when overvoltage, main control unit shut-off relay control unit and electric-motor drive unit output, then play overvoltage
Protective effect；The voltage detection unit is simple in construction, and production cost is low, and voltage detecting effect is good, and accuracy is high.
Further, in addition to main control unit input the overcurrent protection detection unit being connected, the overcurrent protection inspection
Unit is surveyed including at least overcurrent protection detection circuit, each overcurrent protection detection circuit include the first electricity being sequentially connected all the way
Capacitor filter circuit, differential voltage detection circuit and bias-voltage generating circuit, the differential voltage detection circuit output end connection
The input of the main control unit.Main control unit calculates the current electric current for flowing through motor according to overcurrent protection detection unit, then
Judge whether excessively stream, when excessively stream, main control unit shut-off relay control unit and electric-motor drive unit output, then played
Stream and overload protective function；The overcurrent protection detection unit is simple in construction, and production cost is low, and current detecting effect is good, accuracy
It is high.
Further, the input of the main control unit is also connected with least power subsystem all the way；The power subsystem includes
The reverse-connection preventing circuit that is sequentially connected, 12V supply voltages mu balanced circuit, 5V supply voltages mu balanced circuit, 3.3V supply voltage voltage stabilizings
Circuit and capacitor filter；The reverse-connection preventing circuit has the input that can be connected with external power source, the capacitor filtering electricity
The output end on road connects the main control unit.Power subsystem can guarantee that the stability of main control unit plant-grid connection, to control unit
Play a protective role；The power subsystem of the setting can be used for the power supply for accessing different voltages, strengthen the scope of application of this master control borad；
Reverse-connection preventing circuit can avoid master control borad from being damaged in the case of circuit wrong；The power subsystem is simple in construction, and can be to master control borad
Play anti-reverse protective effect.
Further, in addition to main control unit output end the relay control unit being connected, the Control list
Member is including at least control relay circuit, each control relay circuit include the 3rd of connection main control unit output end all the way
10k resistance, the triode driving for connecting the 3rd 10k resistance and the 3rd fly-wheel diode that may connect to relay；The triode
Driving is with the output end that may be connected to relay both ends.The control relay circuit of the structure can play control to relay
Effect, it is described simple in construction, and the 3rd afterflow diode can play a protective role to relay.
Further, in addition to main control unit the communication unit being bi-directionally connected；The communication unit is included at least all the way
Connect the communicating circuit of main control unit, the protecting against shock protection circuit of connecting communication circuit and the communication for connecting protecting against shock protection circuit
Interface.Communication unit then plays a part of wireless telecommunications and controlled in wireless；The communicating circuit can realize communication connection, that is, include
Wireless and wired connection, and the communication interface can facilitate the connection of circuit, protecting against shock protection circuit, communicating circuit can be played
Protective effect.
Further, the main control unit includes main control chip, and main control chip has and peripheral circuit electric source filter circuit
The power input pin of connection, the reset pin being connected with reset circuit, the crystal oscillator pin being connected with crystal oscillating circuit and SWD burn
The SWD programming program pins of program writing interface connection.The main control unit plays a part of information and receives, handles and control, knot
Structure is simple, and using effect is good, easy to control.
In summary, voltage detection unit of the present utility model and overcurrent protection detection unit can prevent master control borad because of excessively stream
Or overload and damage, communication module realization is wireless, has line traffic control；Motor position unit can detect the position of motor rotation, enter
And accurately control same table adjustable height.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is voltage detection unit circuit diagram of the present utility model；
Fig. 3 is power unit circuit figure of the present utility model；
Fig. 4 a are that the differential voltage of overcurrent protection detection unit detects the circuit diagram of circuit, and Fig. 4 b are that overcurrent protection detection is single
The circuit diagram of the bias-voltage generating circuit of member；
Fig. 5 is position detection unit circuit diagram of the present utility model；
Fig. 6 is the circuit diagram of motor-drive circuit of the present utility model；
Fig. 7 is main control unit circuit diagram of the present utility model；
Fig. 8 is communication unit circuit diagram of the present utility model；
Fig. 9 transistor drive circuit figures of the present utility model.
Embodiment
In order that those skilled in the art are better understood from the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.
As shown in figs 1-9, a kind of intelligent elevated table master control borad, including main control unit 1, voltage detection unit 2, overcurrent protection
Detection unit 3, motor position detection unit 4, communication unit 5, electric-motor drive unit 6, relay control unit 7 and at least all the way
Power subsystem 9.The voltage detection unit 2, overcurrent protection detection unit 3, motor position detection unit 4, power subsystem 9 it is defeated
Go out end to be connected with the input of main control unit 1.Communication unit 5 is bi-directionally connected with main control unit 1.Electric-motor drive unit 6, relay
The input of control unit 7 is connected with the output end of main control unit 1.
Specifically, as shown in Figure 2 and Figure 7, the first 100k resistance that the voltage detection unit 2 includes being sequentially connected, the
One 10k resistance and the first capacitor filter, the input of the output end connection main control unit 1 of first capacitor filter
End.The electric current of external power source is after the first 100k resistance and the first 10k electric resistance partial pressures, by the first capacitor filter voltage stabilizing
Afterwards, main control unit 1 judges input terminal voltage, and whether detection supply voltage is over-pressed, and when overvoltage, main control unit 1 judges relay
Device control unit 7 and electric-motor drive unit 6 export, and then play overvoltage protection effect, and the circuit is simple, and production cost is low.
Specifically, as shown in Fig. 4 a, 4b and Fig. 7, the overcurrent protection detection unit 3 includes at least overcurrent protection inspection all the way
Slowdown monitoring circuit, each overcurrent protection detection circuit include the first capacitor filter, the differential voltage detection circuit being sequentially connected
10 and bias voltage generation circuit 11, differential voltage detection circuit 10 output end connects the input of the main control unit 1.
Electric current passes through the first capacitor filter successively, then the differential voltage formed via amplifier and resistance detects circuit 10, into institute
The input of main control unit 1 is stated, main control unit 1 then calculates according to the voltage and sampling resistor of Differential Input and currently flows through motor
Electric current, then judge whether excessively stream.When excessively stream, main control unit 1 turns off relay control unit 7 and electric-motor drive unit 6 is defeated
Go out, then play excessively stream and overload protective function.The differential voltage detection circuit 10 connects by 1K 3rd resistor respectively
To the in-phase input end and inverting input of amplifier, and homophase input terminates 1 road bias voltage and inputted after 10K 3rd resistors,
Inverting input and amplifier export indirect 1 the 3rd 10K resistance, amplify 10 times, and connect a capacitor filtering of 220pF the 3rd, transport
The output put connects 200 Ohmic resistances and 220pF electric capacity, is exported after carrying out LPF, is connected to main control unit 1
Input.The bias-voltage generating circuit 11 is divided 3.3V supply voltages by 1 10K 3rd resistor and 1K 3rd resistors
Pressure, 0.3V or so bias voltage is produced, then be filtered through 1 10uF electric capacity and 100nF electric capacity.
Specifically, as shown in Figure 5 and 7, the motor position detection unit 4 includes four road motor position detection circuits,
Motor position detection unit needs external Hall sensor, and the input of each motor position detection circuit is all connected with hall sensing
The output end of device, the output end of each motor position detection circuit connect 1 1K resistance, reconnect 1 10K pull-up resistor
With the second capacitor filter, the second capacitor filter output end connects the input of the main control unit 1.Certain electricity
Machine position detecting circuit can also be more than one to three tunnel or four tunnels.The main control unit 1 passes through motor position detection unit 4
The count value of Hall sensor is obtained, then calculates the current location of intelligent elevated table motor, judges whether motor allows in place
Or bounce-back, then play bounce-back protective effect.
Specifically, as shown in Figure 3 and Figure 7, the reverse-connection preventing circuit for including being sequentially connected per power subsystem 9 all the way,
12V supply voltages mu balanced circuit, 5V supply voltages mu balanced circuit, 3.3V supply voltages mu balanced circuit and capacitor filter；Institute
Stating reverse-connection preventing circuit has the input that can be connected with external power source, and the output end of the capacitor filter connects the master control
Unit 1.Power subsystem 9 produces 12V, 5V, 3.3V power supply, and the scope of application is wider, also external can be output to other equipment, realizes
Power supply to other equipment.
Specifically, as shown in fig. 7, the main control unit 1 includes main control chip, main control chip have power input pin,
Reset pin, crystal oscillator pin and SWD programming program pins.Peripheral circuit electric source filter circuit is directly connected on main control chip
Power input pin, reset circuit are directly connected in the reset pin on main control chip, and crystal oscillating circuit is directly connected in master control core
Crystal oscillator pin on piece, SWD programming routine interfaces are directly connected in the SWD programming program pins on main control chip.
Specifically, as shown in FIG. 6 and 7, electric-motor drive unit 6 includes at least motor-drive circuit, and Fig. 6 is electricity all the way
The circuit diagram of drive circuit, the 2nd 10k resistance that each motor-drive circuit includes being sequentially connected, triode, recommend drive
The driving of dynamic and metal-oxide-semiconductor；The output end of the metal-oxide-semiconductor driving is connected to motor both ends, and motor both ends are connected with the pole of the second afterflow two
Pipe；The output end of the 2nd 10k resistance is connected to the output end of main control unit 1.Main control unit 1 exports PWM ripples and driven to motor
Moving cell, then regulation motor both end voltage, reaches the purpose of adjusting position and speed, and then realizes the mesh of controlled motor lifting
's.
As shown in figure 9, the relay control unit 7 includes at least control relay circuit all the way, each relay control
Circuit processed includes the 3rd 10k resistance, triode driving 12 and the 3rd fly-wheel diode, the output end connection of main control unit 1 the
Three 10k resistance, the 3rd 10k resistance connection triode driving 12, the output end connection relay both ends of triode driving 12, relay
Device both ends connect the 3rd fly-wheel diode.The circuit is simple, and production cost is low.
As shown in figure 8, the communication unit 5 includes at least connecting the communicating circuit of main control unit 1, connecting communication electricity all the way
The protecting against shock protection circuit on road and the communication interface for connecting protecting against shock protection circuit.The communicating circuit is preferably RS232 communications
Circuit, in the present embodiment, the wherein output end connection remote control all the way of the communicating circuit, other several roads are then standby.Master control
Unit 1 carries out both-way communication by the RS232 communicating circuits and remote control, then notifies the lifting of intelligent elevated table.Erosion control
Hit protection circuit to be made up of 2 100 Ohmic resistances, be serially connected with the transmission data terminal of communicating circuit respectively and receive data terminal, and
Send data terminal and receive data terminal and respectively connect 1 10K pull-up resistor to 3.3V power supplys, for strengthening the driving force of signal, institute
The communication interface stated is made up of 17 core connector, and 1 core of 7 core connectors meets power supply 3.3V, wherein 2 cores connect and receive and send number respectively
Vacantly handled according to reception data terminal, wherein 3 cores ground connection, last 1 core.
In the present embodiment, it is 1 tunnel, overcurrent protection detection list that the power subsystem 9, which has 3 road power supplys, voltage detection unit 2,
The over-current detection circuit of member 3 is 2 tunnels, the motor position detection circuit of motor position detection unit 4 is 2 tunnels；Communication unit 5
RS232 communicating circuits are 2 tunnels；The motor-drive circuit of electric-motor drive unit 6 is the relay control on 2 tunnels, relay control unit 7
Circuit processed is 2 tunnels, and can be configured as the circuit of other quantity in other embodiments.
The utility model possesses following advantages：
1st, the onboard function of master control is more：Adapt to the power supply of multichannel difference voltage, voltage detecting, over-current and -load inspection can be realized
Survey, motor position detects, realizes communication function, can be to the accurate control of motor；
2nd, defencive function is more：With overvoltage protection, overcurrent protection, overload protection, same table bounce-back protection etc.；
3rd, the computing capability of main control unit 1 is strong, and processing speed is fast, and program capacity is big；
4th, main control chip is used as STM32F407, and program maximum capacity 1MB, advanced Cortex-M4 kernels are stronger
Floating-point operation ability, the DSP process instructions of enhancing.Program's memory space is up to 1MB.The ultimate attainment speed of service, dominant frequency are reachable
168M, can reach 210DMIPS disposal ability during 168MHz high-speed cruisings.
5th, the utility model performance is strong, rich interface, stability are good, highly reliable, accelerates grinding for robot R ＆ D Enterprises
Hair progress, the reliability of product is lifted, reduce the R＆D costs of robot R ＆ D Enterprises.
Certain main control unit 1, voltage detection unit 2, overcurrent protection detection unit 3, motor position detection unit 4, communication
Unit 5, electric-motor drive unit 6, the particular circuit configurations of relay control unit 7 and power subsystem 9 are on the basis of existing
Improved structure.
Obviously, described embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, it should all belong to the scope of the utility model protection.
Claims (7)
1. a kind of intelligent elevated table master control borad, including main control unit (1)；And the motor being connected with main control unit (1) output end
Driver element (6), it is characterised in that：Also include the motor position detection unit (4) being connected with main control unit (1) input；Institute
Stating motor position detection unit (4) includes at least motor position detection circuit all the way, the input of each motor position detection circuit
The output end of end connection Hall sensor, the output end of the motor position detection circuit connect the second capacitor filter, the
Two capacitor filter output ends connect the input of the main control unit (1).
2. intelligent elevated table master control borad according to claim 1, it is characterised in that：Also include inputting with main control unit (1)
The voltage detection unit (2) of connection is held, the voltage detection unit (2) includes the first 100k resistance, the first 10k electricity being sequentially connected
Resistance and the first capacitor filter, the input of the output end connection main control unit (1) of first capacitor filter.
3. intelligent elevated table master control borad according to claim 1, it is characterised in that：Also include inputting with main control unit (1)
The overcurrent protection detection unit (3) of connection is held, the overcurrent protection detection unit (3) is including at least overcurrent protection detection is electric all the way
Road, each overcurrent protection detection circuit include the first capacitor filter, the differential voltage detection circuit (10) being sequentially connected
And bias-voltage generating circuit (11), described differential voltage detection circuit (10) output end connect the defeated of the main control unit (1)
Enter end.
4. intelligent elevated table master control borad according to claim 1, it is characterised in that：The input of the main control unit (1)
It is also connected with least power subsystem (9) all the way；The power subsystem (9) includes reverse-connection preventing circuit, the 12V supply voltages being sequentially connected
Mu balanced circuit, 5V supply voltages mu balanced circuit, 3.3V supply voltages mu balanced circuit and capacitor filter；The anti-reverse electricity
Road has the input that can be connected with external power source, and the output end of the capacitor filter connects the main control unit (1).
5. intelligent elevated table master control borad according to claim 1, it is characterised in that：Also include exporting with main control unit (1)
The relay control unit (7) of connection is held, the relay control unit (7) includes at least control relay circuit all the way, often
One control relay circuit includes the 3rd 10k resistance of connection main control unit (1) output end, connects the three of the 3rd 10k resistance
Level pipe driving (12) and the 3rd fly-wheel diode that may connect to relay；Triode driving (12), which has, may be connected to relay
The output end at device both ends.
6. intelligent elevated table master control borad according to claim 1, it is characterised in that：Also include two-way with main control unit (1)
The communication unit (5) of connection；The communication unit (5) includes at least connecting the communicating circuit of main control unit (1) all the way, connects and lead to
Interrogate the protecting against shock protection circuit of circuit and connect the communication interface of protecting against shock protection circuit.
7. intelligent elevated table master control borad according to claim 1, it is characterised in that：The main control unit (1) includes master control
Chip, main control chip have the power input pin being connected with peripheral circuit electric source filter circuit, answering of being connected with reset circuit
Position pin, the crystal oscillator pin being connected with crystal oscillating circuit, the SWD programming program pins being connected with SWD programming routine interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518648.7U CN206892597U (en) | 2017-05-11 | 2017-05-11 | Intelligent elevated table master control borad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518648.7U CN206892597U (en) | 2017-05-11 | 2017-05-11 | Intelligent elevated table master control borad |
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| Publication Number | Publication Date |
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| CN206892597U true CN206892597U (en) | 2018-01-16 |
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ID=61341271
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720518648.7U Active CN206892597U (en) | 2017-05-11 | 2017-05-11 | Intelligent elevated table master control borad |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903239A (en) * | 2018-08-10 | 2018-11-30 | 常州天安尼康达电器有限公司 | Same table |
| CN109166573A (en) * | 2018-07-17 | 2019-01-08 | 杭州为诺智能科技有限公司 | The intelligent terminal and method of same table control are realized by interactive voice technology |
-
2017
- 2017-05-11 CN CN201720518648.7U patent/CN206892597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166573A (en) * | 2018-07-17 | 2019-01-08 | 杭州为诺智能科技有限公司 | The intelligent terminal and method of same table control are realized by interactive voice technology |
| CN108903239A (en) * | 2018-08-10 | 2018-11-30 | 常州天安尼康达电器有限公司 | Same table |
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