CN201611814U - Electric oscillating driver with circuit control - Google Patents
Electric oscillating driver with circuit control Download PDFInfo
- Publication number
- CN201611814U CN201611814U CN2009200519319U CN200920051931U CN201611814U CN 201611814 U CN201611814 U CN 201611814U CN 2009200519319 U CN2009200519319 U CN 2009200519319U CN 200920051931 U CN200920051931 U CN 200920051931U CN 201611814 U CN201611814 U CN 201611814U
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- direct current
- circuit board
- magnetic switch
- current machine
- electronic
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Abstract
The utility model discloses an electric oscillating driver with a circuit control. The driver comprises a DC motor, a control circuit board controlling the operation of the DC motor, and a speed/direction sensor arranged on one side of the DC motor, wherein an oscillating arm is connected to one end of the DC motor shaft through a reduction gearbox, and a rotating disc is connected to the other end thereof; the speed/direction sensor comprises at least one permanent magnet arranged on the rotating disc and at least two magnetism switches which are started and switched on through the same permanent magnet in sequence when the rotating disc rotates; and the magnetism switches are connected with and output high-low level signals to the control circuit board. The electric oscillating driver has the advantages of accurate tracking of the natural frequency of targets to be oscillated, wide range of adaptive natural frequency, convenient installation, etc.
Description
[technical field]
The utility model relates to a kind of electronic swash drive, relates in particular to a kind of swing that is applicable to, shaking table, the electronic swash drive on the products such as cradle and rocking chair.
[background technology]
Swing on the present market, shaking table, product such as cradle and rocking chair, it is to utilize the rotating of motor and the mode of rotating speed detection to swing work that one class is arranged, this series products is owing to just detect motor speed, and do not detect motor steering, the mode that adopts motor speed to detect is measured the swing fixed point of swing object like this, certainty of measurement is limited, following range to eigenfrequency is also limited, so only adapt to the narrow occasion of swing object eigenfrequency scope, so this series products has the difficulty of startup, shortcomings such as the low and product technological requirement height of the qualification rate of product.
At present, the product that adopts the mode that detects motor speed and motor steering to measure the swing fixed point of swing object has solved the problems referred to above, the speed of this series products and direction monitor comprise shading rotating disk and the photoelectric sensor that is connected on the motor, when mounted, the luminous tube of photoelectric sensor must be arranged on a side of shading rotating disk, the opposite side that is arranged on the shading rotating disk that connects light pipe with photoelectric sensor, so that the light that reception is passed from the loophole on the shading rotating disk by the luminous tube emission, because the photoelectric sensor of this series products must be installed in the both sides of shading rotating disk, therefore, this series products has to be installed inconveniently, and shortcoming such as break down easily.
For this reason, be necessary to address the above problem.
[utility model content]
The utility model has overcome the deficiency of above-mentioned technology, and the electronic swash drive of natural frequency wide ranges that a kind of natural frequency to the swing object follows the tracks of accurately, adapts to, charged road control easy for installation is provided.
For achieving the above object, the utility model has adopted following technical proposal:
A kind of electronic swash drive of charged road control, it is characterized in that including direct current machine, the control circuit board of control direct current machine work, and the speed/direction sensor that is arranged on direct current machine one side, end at the direct current arbor is connected with swing arm by reduction box, the other end at the direct current arbor is connected with rotating disk, described speed/direction sensor includes at least one permanent magnet and at least two magnetic switchs that started connection when dial rotation by same permanent magnet successively that are arranged on the rotating disk, and magnetic switch is connected with control circuit board and exports the high-low level signal to it.
The electronic swash drive of aforesaid a kind of charged road control, it is characterized in that described a plurality of magnetic switch be arranged on one with circuit board that control circuit board is connected on, a plurality of magnetic switchs are arranged in a row on circuit board.
The electronic swash drive of aforesaid a kind of charged road control is characterized in that described permanent magnet is a plurality of, and evenly is arranged on the lateral surface of rotating disk along circumferencial direction.
The electronic swash drive of aforesaid a kind of charged road control is characterized in that the nearly circumferential edges of the lateral surface place that described a plurality of permanent magnet is arranged on rotating disk.
The electronic swash drive of aforesaid a kind of charged road control is characterized in that described permanent magnet is four.
The electronic swash drive of aforesaid a kind of charged road control is characterized in that described magnetic switch is two.
The electronic swash drive of aforesaid a kind of charged road control is characterized in that described control circuit board includes:
With the same number of voltage detecting circuit of magnetic switch, detect the voltage of connected magnetic switch output respectively;
Main control chip behind the signal of reception voltage detecting circuit output, is judged the height of magnetic switch output voltage and the order that magnetic switch is connected;
Pwm signal generation circuit is by main control chip control output PWM modulation signal;
The bridge-type output circuit rotates according to PWM modulation signal control direct current machine.
The beneficial effects of the utility model are:
1, the utility model uses the mode that electronics is flexible coupling, closed-loop control, adopt velocity of rotation and direction detection assay swing object, the natural frequency of swing object is followed the tracks of accurately, the natural frequency wide ranges that adapts to, solved starting difficulty, the problem that product percent of pass is low and high to the technological requirement of product;
2, magnetoresistive sensor of the present utility model is arranged on rotating disk one side that is connected with direct current machine, and is easy for installation, is not easy to break down.
[description of drawings]
Fig. 1 is a structure chart of the present utility model;
Fig. 2 is the motor of the present utility model structure principle chart that permanent magnet is connected magnetic switch a when just changeing;
Fig. 3 is the motor of the present utility model structure principle chart that permanent magnet is connected magnetic switch b when just changeing;
Fig. 4 is the circuit theory diagrams of control circuit board of the present utility model;
Fig. 5 is that the utility model is applied in the structure chart on the swing.
[embodiment]
Be described in further detail below in conjunction with accompanying drawing and execution mode of the present utility model:
Referring to Fig. 1, the utility model is a kind of electronic swash drive of charged road control, it includes direct current machine 1, the control circuit board 2 of control direct current machine 1 work and the speed/direction sensor 3 that is arranged on direct current machine 1 one sides, end in 1 in direct current machine is connected with swing arm 5 by reduction box 4, the other end in 1 in direct current machine is connected with rotating disk 6, is driven by direct current machine 1 and rotates.Described speed/direction sensor 3 includes at least one permanent magnet 7 and at least two magnetic switchs 8, permanent magnet 7 is arranged in the nearly circumferential edges of the lateral surface place of rotating disk 6, permanent magnet 7 is four in the present embodiment, and four permanent magnets 7 evenly are arranged on the rotating disk 6 along circumferencial direction; A plurality of magnetic switchs 8 be arranged on one with circuit board 9 that control circuit board 2 is connected on, a plurality of magnetic switchs 8 being arranged in a row on circuit board 9, and orientation is consistent with the rotation direction of rotating disk 6, so that when rotating disk 6 rotates, can these magnetic switchs 8 of arranging of embarking on journey be started connection successively by same permanent magnet 7, magnetic switch 8 is two in the present embodiment, magnetic switch 8 is connected with control circuit board 2 by circuit board 9, and to control circuit board 2 output high-low level signals, control circuit board 2 is determined the rotating speed of direct current machine 1 according to the order of the height of magnetic switch 8 output levels and magnetic switch 8 conductings and is turned to, and always controls direct current machine 1 and rotates.
For the ease of further describing the operation principle of speed/direction sensor 3, respectively two magnetic switchs are put on a, b.Each magnetic switch is switched on four times, is switched on the rotating speed that four used time control circuit plates 2 can calculate direct current machine 1 according to magnetic switch.When direct current machine 1 rotated, the permanent magnet that is contained on the direct current machine 1 also rotated synchronously with direct current machine 1, and two magnetic switchs are successively opened by same permanent magnet, and two magnetic switchs are sent by the variable signal of low level to high level.Referring to Fig. 2, it is the motor structure principle chart that permanent magnet is connected magnetic switch a when just changeing, referring to Fig. 3, be the motor structure principle chart that permanent magnet is connected magnetic switch b when just changeing, when motor just changes, the order that is switched on of two magnetic switchs is a, b, control circuit board 2 receive that the signal sequence of high level is a, b, this moment, control circuit board 2 judgement direct current machines 1 just changeed, and control circuit board 2 control direct current machines 1 rotate always; When swing arm 5 backswing, promote direct current machine 1 counter-rotating, magnetic switch is switched on order and is b, and a, control circuit board 2 receive that the signal sequence of high level is b, a, this moment, control circuit board 2 judgement direct current machines 1 reversed, and 2 pairs of direct current machines 1 of control circuit board are not powered, and direct current machine 1 is that backward rotation is done in passive being driven by swing arm, finish a work period, so circulation.
Referring to Fig. 4, described control circuit board 2 includes: voltage detecting circuit 10, main control chip 11, pwm signal generation circuit 12, bridge-type output circuit 13.Voltage detecting circuit 10 is identical with magnetic switch 8 numbers, detects the voltage of connected magnetic switch 8 outputs respectively; After main control chip 11 receives the signal of voltage detecting circuit 10 outputs, judge the height of magnetic switch output voltage and the order that magnetic switch 8 is connected; Pwm signal generation circuit 12 is by main control chip 11 control output PWM modulation signals; Bridge-type output circuit 13 rotates according to PWM modulation signal control direct current machine 1.
Referring to Fig. 5, be that the utility model is applied in the structure chart on the swing, the utility model is fixed on the support of swing, swing arm 5 is connected with the cradle of swing, thereby the cradle that drives swing is swung.It is at the initial stage of each complete hunting period, the output torque and the operating time of control circuit board 2 control direct current machines, treat that the swing cradle changes potential energy by the energy transfer of motor into by kinetic energy, after arriving the potential energy peak, do counter motion by swing arm 5 pushing motors, speed/direction sensor 3 detects direct current machine 1 and turns to and change; When arriving heterodromous latter stage, after arriving the potential energy peak, swing arm 5 promotes direct current machine 1 and does counter motion once more, direct current machine 1 has been got back to positive movement, so repeatedly, the utility model is by detecting the rotation direction of direct current machine 1 in the driving process, the natural frequency of following the tracks of the swing object, the rotation time of control direct current machine 1 makes direct current machine 1 drive the swing object according to natural frequency; By detecting the position that direct current machine 1 rotates, confirm the amplitude of swing swing, compare with the amplitude of setting, direct current machine 1 is carried out the control of PWM mode, regulate the swing output amplitude.
Claims (7)
1. the electronic swash drive of a charged road control, it is characterized in that including direct current machine (1), the control circuit board (2) of control direct current machine (1) work, and the speed/direction sensor (3) that is arranged on direct current machine (1) one side, end at direct current machine (1) axle is connected with swing arm (5) by reduction box (4), the other end at direct current machine (1) axle is connected with rotating disk (6), described speed/direction sensor (3) includes at least one permanent magnet (7) and at least two magnetic switchs (8) that started connection when rotating disk (6) rotates by same permanent magnet (7) successively that are arranged on the rotating disk (6), and magnetic switch (8) is connected with control circuit board (2) and exports the high-low level signal to it.
2. the electronic swash drive of a kind of charged road control according to claim 1, it is characterized in that described a plurality of magnetic switch (8) be arranged on one with circuit board (9) that control circuit board (2) is connected on, a plurality of magnetic switchs (8) are arranged in a row on circuit board (9).
3. the electronic swash drive of a kind of charged road control according to claim 1 and 2 is characterized in that described permanent magnet (7) for a plurality of, and evenly is arranged on the lateral surface of rotating disk (6) along circumferencial direction.
4. the electronic swash drive of a kind of charged road control according to claim 3 is characterized in that described a plurality of permanent magnet (7) is arranged on the nearly circumferential edges of the lateral surface place of rotating disk (6).
5. the electronic swash drive of a kind of charged road control according to claim 4 is characterized in that described permanent magnet (7) is four.
6. the electronic swash drive of a kind of charged road control according to claim 1 is characterized in that described magnetic switch (8) is two.
7. the electronic swash drive of a kind of charged road control according to claim 1 is characterized in that described control circuit board (2) includes:
With the same number of voltage detecting circuit of magnetic switch (8) (10), detect the voltage of connected magnetic switch (8) output respectively;
Main control chip (11) behind the signal of reception voltage detecting circuit (10) output, is judged the height of magnetic switch output voltage and the order that magnetic switch (8) is connected;
Pwm signal generation circuit (12) is by main control chip (11) control output PWM modulation signal;
Bridge-type output circuit (13) rotates according to PWM modulation signal control direct current machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200519319U CN201611814U (en) | 2009-02-25 | 2009-02-25 | Electric oscillating driver with circuit control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200519319U CN201611814U (en) | 2009-02-25 | 2009-02-25 | Electric oscillating driver with circuit control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611814U true CN201611814U (en) | 2010-10-20 |
Family
ID=42962448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200519319U Expired - Fee Related CN201611814U (en) | 2009-02-25 | 2009-02-25 | Electric oscillating driver with circuit control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201611814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261509A (en) * | 2015-08-28 | 2016-01-20 | 青岛海尔科技有限公司 | Separate knob switch, terminal equipment and working mode adjusting method of separate knob switch |
-
2009
- 2009-02-25 CN CN2009200519319U patent/CN201611814U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261509A (en) * | 2015-08-28 | 2016-01-20 | 青岛海尔科技有限公司 | Separate knob switch, terminal equipment and working mode adjusting method of separate knob switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20110225 |