CN206517039U - Defense controls circuit and financial transaction apparatus are crushed for electric-controlled mechanical mechanism - Google Patents
Defense controls circuit and financial transaction apparatus are crushed for electric-controlled mechanical mechanism Download PDFInfo
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- CN206517039U CN206517039U CN201621318740.0U CN201621318740U CN206517039U CN 206517039 U CN206517039 U CN 206517039U CN 201621318740 U CN201621318740 U CN 201621318740U CN 206517039 U CN206517039 U CN 206517039U
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- motor
- module
- transmission mechanism
- motor drive
- electric capacity
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Abstract
The utility model is applied to mechanical movement technical field of safety protection and for automatically controlled transmission mechanism crushes defense controls circuit there is provided a kind of.By using including master controller in the utility model, motor drive module and the automatically controlled transmission mechanism of on/off module crush defense controls circuit, when the automatically controlled transmission mechanism clamps foreign matter, current detecting is carried out to the motor for driving transmission mechanism, increase when the operating current moment of motor, master controller makes motor drive module stop motor work, on/off module disconnects power power-supply needed for motor is rotated, and then software and hardware is realized while controlling the function that transmission mechanism shuts down, reach the purpose for preventing life entity from being crushed, it is single and the technical problem for crushing protection can not be realized when running software malfunctions so as to solve prior art protected mode.
Description
Technical field
The utility model belongs to mechanical movement technical field of safety protection, more particularly to a kind of for automatically controlled transmission mechanism
Crush defense controls circuit.
Background technology
At present, in finance device, vehicle electronics, it is often necessary to use many motor-driven transmission mechanisms, when
When life entity (such as human body or animal) is in the working environment of the transmission mechanism, it is easy to touch the transmission mechanism.Due to
Many motor operation speed for driving transmission mechanism motion are fast and turning moment is big, if life entity is pressed from both sides by the transmission mechanism accidentally
Firmly, it will cause security incident.
In order to avoid the generation of above-mentioned security incident, prior art to the motor for driving transmission mechanism by carrying out electric current inspection
Survey, motor drive ic is stopped motor work when the operating current moment increase of motor, so that controllable driver
Structure shuts down, and reaches the purpose for preventing life entity from being crushed.However, prior art, which provides above-mentioned control mode, belongs to software
Control, easily because of internal processes operation error, uncontrollable motor is stopped, so, there is protected mode list in prior art
One and it can not be realized when running software malfunctions and crush protection.
Utility model content
The purpose of this utility model is that offer is a kind of and crushes defense controls circuit for automatically controlled transmission mechanism, it is intended to solve
Certainly prior art protected mode is single and the technical problem for crushing protection can not be realized when running software malfunctions.
The utility model is achieved in that a kind of crushes defense controls circuit, the electricity for automatically controlled transmission mechanism
Control transmission mechanism is operated under motor drive, and the defense controls circuit that crushes includes master controller and motor driving mould
Block, the master controller output motor control signal, the motor drive module is according to the motor control signal and circumferential work
Motor described in rate power drives works, and the motor drive module is in the motor because the automatically controlled transmission mechanism clamps foreign matter
Output feedback signal is to the master controller during appearance operating current increase, and the master controller stops according to the feedback signal
Export the motor control signal.
The defense controls circuit that crushes also includes on/off module；
The electrical input connection dc source of the on/off module, the controlled end and electricity of the on/off module is defeated
Go out feedback signal output and power power-supply end that end connects the motor drive module respectively；
The on/off module provides power power-supply supply according to the dc source for the motor drive module；
When the automatically controlled transmission mechanism clamps foreign matter, the on/off module is cut off according to the feedback signal and the motor is driven
The power power-supply supply of module.
Another object of the present utility model also resides in a kind of financial transaction apparatus of offer, and it includes automatically controlled transmission mechanism and upper
That states crushes defense controls circuit.
In the utility model, by using including the automatically controlled of master controller, motor drive module and on/off module
Transmission mechanism crushes defense controls circuit, when the automatically controlled transmission mechanism clamps foreign matter, the motor to driving transmission mechanism
Current detecting is carried out, is increased when the operating current moment of motor, master controller makes motor drive module stop motor work,
On/off module disconnects power power-supply needed for motor is rotated, and then realizes software and hardware while controlling what transmission mechanism shut down
Function, reaches the purpose for preventing life entity from being crushed, so that it is single and go out in running software to solve prior art protected mode
The technical problem for crushing protection can not be realized by staggering the time.
Brief description of the drawings
Fig. 1 is the module knot for crushing defense controls circuit for automatically controlled transmission mechanism that the utility model embodiment is provided
Composition；
Fig. 2 is that the example for crushing defense controls circuit for being used for automatically controlled transmission mechanism that the utility model embodiment is provided is electric
Line structure figure.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Prevent that life entity from being crushed to realize software and hardware while controlling the function that transmission mechanism shuts down, and reach
Purpose, the utility model embodiment provide it is a kind of for automatically controlled transmission mechanism crush defense controls circuit and financial transaction is set
Standby, details are as follows：
Fig. 1 shows the mould for crushing defense controls circuit for automatically controlled transmission mechanism that the utility model embodiment is provided
Block structure, wherein, automatically controlled transmission mechanism is operated under the drive of motor 500, for convenience of description, and Fig. 1 illustrate only and this
The related part of utility model embodiment, details are as follows：
Crushing defense controls circuit includes master controller 200 and motor drive module 400, the output motor of master controller 200
Control signal, motor drive module 400 works according to motor control signal and external power power drives motor 500, herein
Motor control signal includes motor operation direction control signal (it is used for the traffic direction of controlled motor) and motor operation frequency
Control signal (it is used for the running frequency of controlled motor).Motor drive module 400 is in motor 500 because of the automatically controlled transmission mechanism
Clamp foreign matter and occur during operating current increase that output feedback signal is to the master controller 200, master controller 200 is according to above-mentioned
Feedback signal stops output motor control signal.
Crushing defense controls circuit also includes on/off module 100.The electrical input connection of on/off module 100 is straight
Power supply 300 is flowed, the controlled end of on/off module 100 and electricity output end connect the feedback signal of motor drive module 400 respectively
Output end and power power-supply end.
On/off module 100 is that motor drive module 400 provides power power-supply supply according to dc source 300；Upper
When stating automatically controlled transmission mechanism and clamping foreign matter, on/off module 100 is cut off to motor drive module 400 according to above-mentioned feedback signal
Power power-supply supply.
Fig. 2 shows that the automatically controlled transmission mechanism that is used for that the utility model embodiment is provided crushes showing for defense controls circuit
Example circuit structure, for convenience of description, illustrate only the part related to the utility model embodiment, details are as follows：
As the embodiment of the utility model one, motor drive module 400 includes：Driving chip 401.
Driving chip 401, which has, to be used to be controlled according to the direction that motor control signal distinguishes controlled motor traffic direction and speed
End APHASE processed and speed control end AENBL, the first bridge current output terminals A OUT1 worked for motor 500 and the
Two bridge current output terminals A OUT2 and for feedback signal to be exported to the Fault Control end nFAULT of master controller 200.Institute
State the feedback signal output that Fault Control end nFAULT is motor drive module 400；Direction controlling end APHASE, speed control
Hold AENBL and Fault Control end nFAULT connections master controller 200, the bridge joint electricity of the first bridge current output terminals A OUT1 and second
Flow output terminals A OUT2 connections motor 500.
As the embodiment of the utility model one, motor drive module 400 includes：
Driving chip 401, first resistor R1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, fusible link F, the 4th
Electric capacity C4, second resistance R2 and 3rd resistor R3.
The direction controlling end APHASE and speed control end AENBL connections master controller 200 of driving chip 401；Drive core
The Fault Control end nFAULT of piece 401 is the feedback signal output of motor drive module 400, and is accessed by first resistor R1
First supply voltage VCC1 (can be 3.3V)；First bridge current output terminals A OUT1 of driving chip 401 and the second bridge current
Output terminals A OUT2 connections motor 500；First reference voltage input terminal AVREF of driving chip 401 and the input of the second reference voltage
End BVREF meets second source voltage VCC2 (can be 5V)；First A bridge currents of driving chip 401 set end AI0, the 2nd A
Bridge current sets end AI1 and dog point DECAY to be grounded；The reset terminal RE access reset signals of driving chip 401；4th electricity
Hold C4 to be connected between the winged capacitance terminal CP1 of the first charge pump of driving chip 401 and the winged capacitance terminal of the second charge pump；Driving chip
401 flash gate drive voltage end VCP the first electric capacity of connection C1 first end, the A bridge joint power ends VMA of driving chip 401
It is connected to altogether with the B positive poles for bridging power end VMB, the first electric capacity C1 the second end, fusible link F first end and the 3rd electric capacity C3
Second electric capacity C2 first end, the second electric capacity C2 the second end and the 3rd electric capacity C3 are connected to ground altogether, and fusible link F the second end is electricity
The power power-supply end of machine drive module 400；A bridge currents test side ISENA and B the bridge current test side of driving chip 401
ISENB is grounded by second resistance R2 and 3rd resistor R3 respectively；First earth terminal GND1 of driving chip 401, the second ground connection
End GND2, the 3rd earth terminal GND3 are connected to ground altogether.Wherein, driving chip 401 can be specifically model DRV8814 motor drive
Dynamic chip.
As the embodiment of the utility model one, on/off module 100 includes：
4th resistance R4, NPN type triode Q, magnetic bead BF, diode D, relay K, the 5th resistance R5 and the 5th electric capacity
C5。
4th resistance R4 first end is the controlled end of on/off module 100, the 4th resistance R4 the second end connection NPN
Type triode Q base stage, NPN type triode Q colelctor electrode is grounded by magnetic bead BF, relay K the first control contact 1 and two
Pole pipe D anode is connected to NPN type triode Q emitter stage altogether, and diode D negative electrode is total to relay K the second control contact 2
It is connected to second source voltage VCC2 (can be 5V)；Relay K switch contact 3 and normally-closed contact 4 is respectively on/off module
100 electrical input and electricity output end, the 5th electric capacity C5 are connected to the 5th resistance R5 the second end and relay K normally-closed contact
Between.
The above-mentioned defense controls circuit that crushes for automatically controlled transmission mechanism is described further below in conjunction with operation principle：
When automatically controlled transmission mechanism runs well, the Fault Control end nFAULT feedback low level signals of driving chip 401
To master controller 200 and NPN type triode Q, (it is used to control the difference output motor traffic direction of master controller 200 control signal
The traffic direction of motor processed) and motor operation frequency control signal (it is used for the running frequency of controlled motor) to driving chip
401 direction controlling end APHASE and speed control end AENBL, so that the output driving current motor 500 of driving chip 401
Operating；Now because NPN type triode Q base stage by the 4th resistance R4 receives above-mentioned low level signal, so NPN type three
Pole pipe Q ends, and relay K switch contact 3 maintains normally closed on-state with normally-closed contact 4, then relay K is by dc source
Thus 300 voltage outputs exported just can provide power power-supply, so that driving chip to fusible link F for driving chip 401
401 work.When automatically controlled transmission mechanism clamps foreign matter and when there is operating current increase, the Fault Control end of driving chip 401
NFAULT feeds back high level signal to master controller 200 and NPN type triode Q, and master controller 200 stops according to the high level signal
Only output motor traffic direction control signal (it is used for the traffic direction of controlled motor) and motor operation frequency control signal (its
Running frequency for controlled motor) to the direction controlling end APHASE and speed control end AENBL of driving chip 401, so that
Driving chip 401 stops output driving current to motor 500；Now NPN type triode Q base stage is received by the 4th resistance R4
To above-mentioned high level signal, so NPN type triode Q is turned on and is disconnected relay K switch contact 3 and normally-closed contact 4, by
This just can disconnect relay K by the power power-supply that fusible link F is the offer of driving chip 401, so that driving chip 401 is because of nothing
Method obtains power power-supply supply and is stopped.
The preventing damage effect that automatically controlled transmission mechanism possesses is applied to based on the above-mentioned defense controls circuit that crushes, this practicality is new
Type embodiment additionally provides a kind of financial transaction apparatus, and it includes automatically controlled transmission mechanism and above-mentioned crushes defense controls circuit.
In the utility model embodiment, by using logical including master controller 200, motor drive module 400 and power supply
The automatically controlled transmission mechanism of disconnected module 100 crushes defense controls circuit, when automatically controlled transmission mechanism clamps foreign matter, is driven to driving
The motor 500 of mechanism carries out current detecting, increases when the operating current moment of motor 500, master controller 200 makes motor drive mould
Block 400 stops motor 500 and worked, and on/off module 100 disconnects motor 500 and rotates required power power-supply, and then realizes
Software and hardware controls the function that transmission mechanism shuts down simultaneously, reaches the purpose for preventing life entity from being crushed, so as to solve existing
There is technical protection mode single and the technical problem that crushes protection can not be realized when running software malfunctions.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of crush defense controls circuit for automatically controlled transmission mechanism, the automatically controlled transmission mechanism is carried out under motor drive
Operating, the defense controls circuit that crushes includes master controller and motor drive module, the master controller output motor control
Signal, motor drive module motor according to the motor control signal and external power power drives works, described
Motor drive module exports feedback when the motor operating current increase occurs because the automatically controlled transmission mechanism clamps foreign matter
Signal is to the master controller, and the master controller stops exporting the motor control signal according to the feedback signal, and it is special
Levy and be, the defense controls circuit that crushes also includes on/off module；
The electrical input connection dc source of the on/off module, the controlled end of the on/off module and electricity output end
Feedback signal output and the power power-supply end of the motor drive module are connected respectively；
The on/off module provides power power-supply supply according to the dc source for the motor drive module；Described
When automatically controlled transmission mechanism clamps foreign matter, the on/off module is cut off to the motor drive module according to the feedback signal
Power power-supply supply.
2. crush defense controls circuit as claimed in claim 1, it is characterised in that the motor drive module includes：Driving
Chip；
The driving chip, which has, to be used to control the motor operation direction and speed respectively according to the motor control signal
Direction controlling end and speed control end, the first bridge current output end worked for motor and the output of the second bridge current
Hold and for the feedback signal to be exported to the Fault Control end of the master controller；The Fault Control end is the electricity
The feedback signal output of machine drive module；The direction controlling end, the speed control end and Fault Control end connection
The master controller, the first bridge current output end and the second bridge current output end connect the motor.
3. crush defense controls circuit as claimed in claim 2, it is characterised in that the motor drive module also includes：
First resistor, the first electric capacity, the second electric capacity, the 3rd electric capacity, fusible link, the 4th electric capacity, second resistance and 3rd resistor；
The first end of the first resistor connects the first supply voltage, and the second end of the first resistor connects the Fault Control
End；The first reference voltage input terminal and the second reference voltage input terminal of the driving chip access second source voltage；Institute
The first A bridge currents for stating driving chip set end, the 2nd A bridge currents to set end and dog point to be grounded；The driving core
The reset terminal access reset signal of piece；4th capacitance connection flies capacitance terminal and the in the first charge pump of the driving chip
Two charge pumps fly between capacitance terminal；The flash gate drive voltage end of the driving chip connects the first of first electric capacity
End, the A bridge joint power ends of the driving chip and B bridge joints power end, the second end of first electric capacity, the of the fusible link
The positive pole of one end and the 3rd electric capacity is connected to the first end of second electric capacity, the second end of second electric capacity and institute altogether
The negative electrode for stating the 3rd electric capacity is connected to ground altogether, and the second end of the fusible link is the power power-supply end of the motor drive module；Institute
The A bridge currents test side and B bridge currents test side of driving chip are stated respectively by the second resistance and the 3rd electricity
Resistance ground connection；The first earth terminal, the second earth terminal and the 3rd earth terminal of the driving chip are connected to ground altogether.
4. crush defense controls circuit as claimed in claim 2, it is characterised in that the driving chip is model
DRV8814 motor drive ic.
5. crush defense controls circuit as claimed in claim 3, it is characterised in that the on/off module includes：
4th resistance, NPN type triode, magnetic bead, diode, relay, the 5th resistance and the 5th electric capacity；
The first end of 4th resistance is the controlled end of the on/off module, the second end connection institute of the 4th resistance
The base stage of NPN type triode NPN type triode is stated, the colelctor electrode of the NPN type triode NPN type triode passes through the magnetic bead
Ground connection, the first control contact of relay described in NPN type triode and the anode of the diode are connected to the pole of NPN type three altogether
The emitter stage of pipe, the second control contact of the negative electrode of the diode and the relay is connected to the second source voltage altogether；
The switch contact and normally-closed contact of the relay are respectively electrical input and the electricity output end of the on/off module, described
The first end of 5th resistance connects the switch contact of the relay, and the 5th capacitance connection is in the second of the 5th resistance
Between end and the normally-closed contact of the relay.
6. a kind of financial transaction apparatus, including automatically controlled transmission mechanism, it is characterised in that the financial transaction apparatus is also included as weighed
Profit requires to crush defense controls circuit described in 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318740.0U CN206517039U (en) | 2016-12-02 | 2016-12-02 | Defense controls circuit and financial transaction apparatus are crushed for electric-controlled mechanical mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318740.0U CN206517039U (en) | 2016-12-02 | 2016-12-02 | Defense controls circuit and financial transaction apparatus are crushed for electric-controlled mechanical mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517039U true CN206517039U (en) | 2017-09-22 |
Family
ID=59862819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621318740.0U Expired - Fee Related CN206517039U (en) | 2016-12-02 | 2016-12-02 | Defense controls circuit and financial transaction apparatus are crushed for electric-controlled mechanical mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206517039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893632A (en) * | 2017-11-18 | 2018-04-10 | 东台市巨力机械制造有限公司 | A kind of safety-type non-excavation pipe-laying drilling rig |
-
2016
- 2016-12-02 CN CN201621318740.0U patent/CN206517039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893632A (en) * | 2017-11-18 | 2018-04-10 | 东台市巨力机械制造有限公司 | A kind of safety-type non-excavation pipe-laying drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170922 Termination date: 20211202 |