CN209704313U - A kind of slide travel control system - Google Patents
A kind of slide travel control system Download PDFInfo
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- CN209704313U CN209704313U CN201821371140.XU CN201821371140U CN209704313U CN 209704313 U CN209704313 U CN 209704313U CN 201821371140 U CN201821371140 U CN 201821371140U CN 209704313 U CN209704313 U CN 209704313U
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- motor
- slide
- magnet
- hall sensor
- screw rod
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Abstract
The utility model discloses a kind of slide travel control systems, the slide slidingtype installation, the system comprises linear transmission mechanism, motor, magnet, Hall sensor and electric control loops, motor drives slide movement by linear transmission mechanism, motor also drives magnet rotors, Hall sensor is used for the changes of magnetic field of induced magnet, and the magnet inductive signal output end and motor of Hall sensor are electrically connected with electric control loop respectively.The utility model high reliablity, long service life.
Description
Technical field
The utility model relates to a kind of slide travel control systems.
Background technique
What is be widely used at present is driven by motor the mechanism of screw rod sliding block, and what is generallyd use is using stepper motor as stroke
The mode of control, or use and travel switch is set to limit the range of sliding block traveling at sliding block both ends.Using stepper motor
Control mode relative accuracy is higher, but the price of control section is also relatively high.And use in the control mode of travel switch, by
Belong to mechanical devices in travel switch, the time has grown easy failure, and travel switch needs to be routed, and installation and maintenance are also number
It is tired.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of high reliablity, slide row with long service life
Process control system.
Above-mentioned technical problem is solved, the technical solution adopted in the utility model is as follows:
A kind of slide travel control system, the slide slidingtype installation, the system comprises linear transmission mechanisms, electricity
Machine, magnet, Hall sensor and electric control loop, motor drive slide to move by linear transmission mechanism, and motor also drives
Magnet rotors, Hall sensor are used for the changes of magnetic field of induced magnet, the magnet inductive signal output end and electricity of Hall sensor
Machine is electrically connected with electric control loop respectively.
Further, electric control loop includes controller, motor drive ic, sampling resistor and converter, motor
Driving chip and electrical connection of motor, sampling resistor are connected on the current supply circuit of motor drive ic, and converter is for obtaining
It takes the voltage at sampling resistor both ends and converts output digit signals, the magnet inductive signal output end of Hall sensor, AD conversion
The voltage digital signal output end of device and the motor control signal input terminal of motor drive ic are electrically connected with controller respectively.
Further, electric control loop further includes amplifier and voltage comparator, and the magnet of Hall sensor incudes letter
The input terminal of number output end and amplifier is electrically connected, and the output end of amplifier and the input terminal of voltage comparator are electrically connected,
The output end and controller of voltage comparator are electrically connected.
Further, linear transmission mechanism includes sliding block and screw rod, and screw rod is rotatably mounted on mounting rack, and sliding block is logical
It crosses nut to be coupled on screw rod, and is connect with slide, the rotary output axis connection of screw rod and motor is driven by a motor screw rod
Rotation.
Further, linear transmission mechanism further includes driving gear and driven gear, and driving gear is mounted on turning for motor
On dynamic output shaft, driven gear is connect with screw rod, driving gear and driven gear intermeshing.
Further, magnet is fixed on the outer end face of driving gear or driven gear, and Hall sensor correspondence is mounted on magnetic
The side of iron.
Further, linear transmission mechanism further includes shaft coupling, and driven gear is mounted on one end of shaft coupling, shaft coupling
The connection of the end of the other end and screw rod.
Compared with prior art, the utility model has the following beneficial effects:
1, the utility model passes through the changes of magnetic field of Hall sensor induced magnet, to can get the circle of motor rotation
Number, to can get the stroke of straight-line mechanism, to realize the control to slide stroke, the utility model does not use stroke and opens
It closes, eliminates the wiring installation of travel switch, avoid the system failure caused by the mechanical breakdown of travel switch, improve and be
The reliability and service life of system, while also reducing manufacturing cost and maintenance cost.Compared to the screw rod control using stepper motor
System processed, the utility model reduce costs by a larger margin.
2, when slide slides into the end, if controlling motor stalls not in time, motor rotation blockage, electric-controlled will be caused
The electric current in circuit processed quickly increases moment, and the utility model obtains electric control loop by sampling resistor and converter
The situation of change of electric current, in motor rotation blockage, controller controls motor stalls after receiving the signal of converter.By this
Technical solution can also realize the reset to slide, be the initial position that may be configured as slide in stall position.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the linear transmission mechanism of the utility model；
Fig. 2 is the schematic diagram of the electric control loop of the utility model；
Fig. 3 is a kind of express delivery cabinet of mountable the utility model.
Specific embodiment
The utility model is further described below with reference to embodiment.
A kind of slide travel control system as depicted in figs. 1 and 2 comprising linear transmission mechanism, motor 1, magnet 8,
Hall sensor 2 and electric control loop, slide here are slidably mounted on the slides mounting structure such as cabinet body, doorframe, this
In slide can be car door, cabinet door, room door and window etc., linear transmission mechanism is that motor is converted to linear motion
Mechanism, motor 1 drive slide to move by linear transmission mechanism, and motor 1 is also rotated with moving magnet 8, and Hall sensor 2 is for feeling
The changes of magnetic field of magnet 8 is answered, the magnet inductive signal output end and motor 1 of Hall sensor 2 are electric with electric control loop respectively
Property connection.
It will constantly change in motor 1 with the magnet poles that in 8 rotation process of moving magnet, Hall sensor 2 is sensed,
Number by obtaining the period of change of magnet poles can be obtained the turnning circle of motor, thus can get the stroke of slide,
To realize the control to slide stroke.
As shown in Fig. 2, the electric control loop of the present embodiment includes controller, motor drive ic, sampling resistor and AD
Converter, motor drive ic and electrical connection of motor, sampling resistor are connected on the current supply circuit of motor drive ic, and AD turns
Parallel operation is used to obtain the voltage at sampling resistor both ends and converts output digit signals, the magnet inductive signal output of Hall sensor
End, the voltage digital signal output end of converter and motor drive ic motor control signal input terminal respectively with controller
It is electrically connected.As shown in Fig. 2, the anode of the feeder ear of motor drive ic is connect with the anode of power supply, the cathode ground connection of power supply,
The cathode of the feeder ear of motor drive ic and the upper end of sampling resistor connect, the lower end ground connection of sampling resistor, converter
The connection of the upper end of input terminal and sampling resistor, such converter can get the voltage between the upper end and the earth of sampling resistor,
That is the voltage at sampling resistor both ends.
More specifically, electric control loop further includes amplifier and voltage comparator, and the magnet of Hall sensor incudes letter
The input terminal of number output end and amplifier is electrically connected, and the output end of amplifier and the input terminal of voltage comparator are electrically connected,
The output end and controller of voltage comparator are electrically connected.
As shown in Figure 1, the linear transmission mechanism of the present embodiment includes sliding block 7 and screw rod 6, the both ends of screw rod 6 can turn respectively
Dynamic is mounted on mounting rack 9, and nut is equipped in the mider hole of sliding block 7, and sliding block 7 is coupled by nut in screw rod 6
On, and connect with slide, by the rotation of screw rod 6 come the linear motion with movable slider 7, so that slide be driven to move, screw rod 6 with
The rotary output axis of motor 1 connects, and drives screw rod rotation by motor 1.
More specifically, linear transmission mechanism further includes driving gear 4 and driven gear 3, and driving gear 4 is mounted on motor 1
Rotary output axis on, driven gear 3 is connect with screw rod 6, and driving gear 4 and driven gear 3 are intermeshed.Magnet 8 can be fixed
In driving gear 4 or the outer end face of driven gear 3, the corresponding side for being mounted on magnet 8 of Hall sensor 2.The magnetic of the present embodiment
Iron 8 is fixed on the outer end face of driving gear 4, and Hall sensor 2 is mounted on mounting rack 9, and the corresponding rear side for being located at magnet 8
Side position on the upper side.
In motor band 8 rotation process of moving magnet, Hall sensor 2 senses the variation of polarity of the magnetic field, to export micro-
Weak voltage sinusoidal signal, the voltage sinusoidal signal are amplified by amplifier and then are in by voltage comparator with one
The reference voltage of middle position compares, so that it may which output signal is become square-wave signal.The upper lower edge of square-wave signal respectively corresponds magnetic pole
The pole N and the pole S toggles when rotation.This square-wave signal changes one week, and the variation of corresponding pole orientation is primary.Square wave input
The counting in square-wave signal period is carried out to the terminal leads of controller, then in interrupt service routine, so that it may accurately know motor
The circle number of rotation.One circle of motor rotation is determining for the mobile distance of sliding block, so, as long as the circle number in setting reaches
When, allow motor 1 to shut down, so that it may allow sliding block 7 to go to specified position, to realize the control to slide stroke.
Can also realize reset to slide by this system: control motor driven slide one until when the end, slide without
Method is moved along when front direction again, will cause motor rotation blockage, the driving current moment of motor quickly increases, and passes through the sampling in circuit
Resistance and converter, the voltage value that electric current is formed on sampling resistor can be converted into digital signal, be delivered to controller, control
Device can show that sliding block has been walked to be at the end by the signal obtained, at this moment, i.e., capable of emitting stopping signal, control motor stalling, and
And the current position of slide is set as initial position, that is, realize reset operation.
In use, the most great circle number of motor rotation can be set as the end advanced, control motor when reaching the end
Stalling can complete the instruction for slide being shifted onto the end of advance.In addition, to prevent motor from actually having slid into the end and having counted
Circle number but also less than sets fixing turn, and there is a situation where stalls for motor, and similar with reset, controller is only needed through sampling resistor sense
Know that current of electric increases severely suddenly, sending motor stalling instruction immediately can be realized motor advance and stop operating to the end.
More specifically, linear transmission mechanism further includes shaft coupling 5, and driven gear 3 is mounted on one end of shaft coupling 5, shaft coupling
The other end of device 5 is connect with the end of screw rod 6.
The system of the utility model can be used on the slide 10 of linear slide, can also be used in turn and slided to side
Slide 10 on.It is illustrated in figure 3 a kind of express delivery cabinet, slide 10 is made of flexible material, such as: steel sheet, plastics are thin
Plate, top plate 14 and bottom plate 15 positioned at cabinet body front end are equipped with corresponding upper rail and lower railway 11, slide 10 are installed on upper rail
Between road and lower railway 11；Top plate 14 and bottom plate 15 positioned at cabinet body wherein a side are equipped with corresponding upper extension rail, downward
Track 13 is stretched, the upper and lower extension rail 13 positioned at side is curved track with the corresponding junction of the upper and lower track 11 positioned at front end
Road 12 is slid between upper and lower extension rail 13 through arc track 12 in 10 opening process of slide, linear transmission mechanism and slide 10
Tail portion connection.The sliding block 7 of the linear transmission mechanism of the present embodiment is connect by bolt with the tail portion of slide 10, and sliding block 7 is passed through
The tail portion of slide 10 is pushed or pull on, so that controlling slide 10 slides to cabinet body front end, closes express delivery cabinet, or slide to cabinet body side,
Open express delivery cabinet.
The magnet 8 of the present embodiment is that strip is rod-shaped, and one end is the pole N, and the other end is the pole S, the length direction and electricity of magnet 8
The rotary output axis of machine 1 is vertical.
The above embodiments of the present invention is not the restriction to scope of protection of the utility model, the reality of the utility model
It is without being limited thereto to apply mode, all this kind above content according to the present utility model, according to the ordinary technical knowledge of this field and used
With means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model above structure is made its
The modification, replacement or change of its diversified forms, shall fall within the scope of the present invention.
Claims (7)
1. a kind of slide travel control system, the slide slidingtype installation, it is characterised in that: the system comprises Linear transmissions
Mechanism, motor, magnet, Hall sensor and electric control loop, the motor pass through described in linear transmission mechanism drive
Slide movement, the motor also drive the magnet rotors, and the Hall sensor is used to incude the changes of magnetic field of the magnet,
The magnet inductive signal output end and the motor of the Hall sensor are electrically connected with the electric control loop respectively.
2. slide travel control system according to claim 1, it is characterised in that: the electric control loop includes control
Device, motor drive ic, sampling resistor and converter, the motor drive ic and the electrical connection of motor, it is described to adopt
Sample resistance is connected on the current supply circuit of the motor drive ic, and the converter is for obtaining the sampling resistor both ends
Voltage and convert output digit signals, the electricity of the magnet inductive signal output end of the Hall sensor, the converter
The motor control signal input terminal of pressure digital signal output end and the motor drive ic electrically connects with the controller respectively
It connects.
3. slide travel control system according to claim 2, it is characterised in that: the electric control loop further includes putting
Big device and voltage comparator, the magnet inductive signal output end of the Hall sensor electrically connect with the input terminal of the amplifier
It connects, the input terminal of the output end of the amplifier and the voltage comparator is electrically connected, the output end of the voltage comparator
It is electrically connected with the controller.
4. according to claim 1 to slide travel control system described in 3 any one, it is characterised in that: the Linear transmission
Mechanism includes sliding block and screw rod, and the screw rod is rotatably mounted on mounting rack, the sliding block by nut be coupled in
It on the screw rod, and is connect with the slide, the screw rod is connect with the rotary output axis of the motor, is driven by the motor
The screw rod rotation.
5. slide travel control system according to claim 4, it is characterised in that: the linear transmission mechanism further includes master
Moving gear and driven gear, the driving gear are mounted on the rotary output axis of the motor, the driven gear with it is described
Screw rod connection, the driving gear and driven gear intermeshing.
6. slide travel control system according to claim 5, it is characterised in that: the magnet is fixed on the driving tooth
The outer end face of wheel or driven gear, the corresponding side for being mounted on the magnet of the Hall sensor.
7. slide travel control system according to claim 5, it is characterised in that: the linear transmission mechanism further includes connection
Axis device, the driven gear are mounted on one end of the shaft coupling, the end company of the other end of the shaft coupling and the screw rod
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371140.XU CN209704313U (en) | 2018-08-23 | 2018-08-23 | A kind of slide travel control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371140.XU CN209704313U (en) | 2018-08-23 | 2018-08-23 | A kind of slide travel control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704313U true CN209704313U (en) | 2019-11-29 |
Family
ID=68634437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821371140.XU Active CN209704313U (en) | 2018-08-23 | 2018-08-23 | A kind of slide travel control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113492A (en) * | 2018-08-23 | 2019-01-01 | 谢仲辉 | A kind of slide travel control system |
-
2018
- 2018-08-23 CN CN201821371140.XU patent/CN209704313U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113492A (en) * | 2018-08-23 | 2019-01-01 | 谢仲辉 | A kind of slide travel control system |
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