CN1588787A - DC motor driving platform switching device - Google Patents
DC motor driving platform switching device Download PDFInfo
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- CN1588787A CN1588787A CN 200410053307 CN200410053307A CN1588787A CN 1588787 A CN1588787 A CN 1588787A CN 200410053307 CN200410053307 CN 200410053307 CN 200410053307 A CN200410053307 A CN 200410053307A CN 1588787 A CN1588787 A CN 1588787A
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- switch
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- diode
- negative pole
- normally closed
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Abstract
This invention relates to a reverse control device for dc motor driving platform. It is composed of: (1). a three-section type switch with diagonal connections a/f, b/e of short-circuit connection; (2). a dc power source with its positive pole being connected to c terminal of said three section switch, and its negative pole to d of the same; (3) a dc electric motor, with its positive pole being series connected to the first normally-closed overtravel-limit switch, then to said f terminal; the first diode being parallel connected to the first normally-closed overtravel-limit switch, its negative pole being connected to the positive pole of the electric motor, the negative pole of the motor being series connected to 2nd normally-closed switch, then to e; the 2nd diode being parallel connected to 2 nd switch, its negative pole being connected to the negative pole of dc motor, a striker being drived by the dc motor. Advantages are: simple structure, low cst, convenient to use.
Description
Technical field
The present invention relates to dc micro-motor and drive platform, particularly a kind of direct current machine drives the reversing arrangement of platform.
Background technology
In the workbench reversing arrangement, often adopt a plurality of (group) relay to make the motor rotating realize return of stroke control.Stroke Control is the change in location according to manufacturing machine, is the state that signal removes control circuit with the stroke: disconnect or connection.Fig. 1 is the existing control circuit figure that utilizes travel switch to control the motor rotating automatically.
When taking starting button 1QA off, the sucking coil energising of contactor 1C is established motor and is just changeed, and workbench is moved right.When movable workbench arrives the precalculated position, be installed in the collision block a depression stroke switch 1CKa on the workbench side, the normally closed interlock of 1CKa is disconnected.So the outage of the sucking coil of contactor 1C, motor D stops earlier.The normally open contact closure of while travel switch 1CKa, because the normally closed interlock of contactor 1C is closed, so make the sucking coil of contactor 2C that electricity be arranged, motor is back-to-back starting just, and workbench is moved to the left.Collision block a just leaves travel switch 1CKa, and switch 1CKa just resets.
When movable workbench arrives another precalculated position, another collision block b of workbench side, depression stroke switch 1CKb disconnects the normally closed interlock of 1CKb.So the outage of the sucking coil of contactor 2C, motor D stops.The normally open contact closure of while travel switch 1CKb, because the normally closed interlock of contactor 2C is closed, so make the sucking coil energising of contactor 1C, motor is forward starting again just, and workbench is moved right again.So periodically carry out conversion automatically, motor is periodically forward and reverse automatically just, till taking stop button TA off.
In this automatic control circuit, used a plurality of relays, made that the entire mechanism volume is big, cost is high.
Summary of the invention
The purpose of this invention is to provide the reversing arrangement that a kind of direct current machine drives platform, characteristics such as this device should have simple in structure, easy to use, reliable operation, and cost is low.
The objective of the invention is to reach by the following technical programs:
A kind of direct current machine drives the platform reversing arrangement, its structure:
A syllogic switch, two diametrical connection pin a of this syllogic switch and f, b and e be short circuit respectively; A DC power supply, positive pole are connected on the middle pin c of syllogic switch, and negative pole is connected on the middle pin d of syllogic switch; The positive pole of one direct current motor is connected and is connected on the pin f of syllogic switch bottom behind the first normally closed travel switch, first diode is in parallel with the first normally closed travel switch, its negative pole links to each other with motor is anodal, the negative pole of direct current machine is connected and is connected on the pin e of syllogic switch bottom behind the second normally closed travel switch, second diode is in parallel with the second normally closed travel switch, and its negative pole links to each other with the direct current machine negative pole; One collision block is driven by direct current machine.
Described first diode can change direction simultaneously with second diode and be connected, and promptly first diode cathode links to each other with motor is anodal, and second diode cathode links to each other with the motor negative pole.
Operation principle: under the initial state, the syllogic switch places the centre position, and circuit disconnects, and two normally closed travel switches are in closure state.On the syllogic switch placed, pin a (f) connected with positive source, and pin b (e) connects with power cathode, establishes motor and just changes, and collision block is turned clockwise.When collision block rotates to the precalculated position, depress first travel switch, its normally closed interlock is disconnected, thereby make circuit breaker, motor stops.Again the syllogic switch is placed the lower end, pin f and power cathode are connected, pin e and positive source are connected, because the unidirectional on state characteristic of diode, this moment first diode current flow, the motor counter-rotating, collision block is rotated counterclockwise, after collision block leaves first travel switch, the connection that resets of first travel switch, first diode quits work.
When collision block rotates to another precalculated position, depress second travel switch, its normally closed interlock is disconnected, thereby make circuit breaker, motor stops.Again the syllogic switch is placed the upper end, pin a (f) connects with positive source again, pin b (e) connects with power cathode again, because the unidirectional on state characteristic of diode, this moment second diode current flow, motor just changes, collision block is turned clockwise, after collision block leaves second travel switch, the connection that resets of second travel switch, second diode quits work.
Above process all can place the centre position with the syllogic switch in any position, and circuit disconnects, and motor is stopped.
Because the present invention used said apparatus, realized that the motor-driven platform is with forward with oppositely make loaded work piece.And simple in structure, cost is low, reliable operation, easy to operate.
Description of drawings
Fig. 1 is the circuit diagram of existing return of stroke control;
Fig. 2 is the circuit diagram of motor commutation control of the present invention;
Fig. 3 is a specific embodiment of the invention installation drawing.
Embodiment
Fig. 3 is specific embodiment structure drawing of device of the present invention.Mobile platform 9 carries a speculum 10 move left and right, and can be parked in ad-hoc location.Its function is in optical system, can carry out specific change to the direction of propagation of laser beam as required.It comprises a syllogic switch 1, two diametrical connection pin a of syllogic switch and f, b and e be short circuit respectively, a DC power supply 2, both positive and negative polarity is connected on centre two wiring pins c of syllogic switch 1 respectively, on the d, the positive pole of direct current machine 5 is connected and is connected on the pin e of syllogic switch 1 bottom behind the first normally closed travel switch 4, first diode 3 is in parallel with the first normally closed travel switch 4, its negative pole and 5 anodal linking to each other of motor, the negative pole of direct current machine 5 is connected and is connected on the pin f of syllogic switch 1 bottom behind the second normally closed travel switch 7, second diode 6 is in parallel with the second normally closed travel switch 7, its negative pole links to each other with motor 5 negative poles, collision block 8 is contained in the bottom surface of the travelling table 9 of platform, and speculum 10 is fixed on the travelling carriage 9.
When movable workbench arrived another precalculated position, the collision block 8 of workbench bottom surface was depressed the second normally closed travel switch 7, its normally closed interlock is disconnected, thereby make circuit breaker, and motor 5 stops, and working table movement is to the precalculated position.If need to change beam direction again, can again the syllogic switch be placed the upper end, pin b (e) connects with positive source again, and pin a (f) connects with power cathode again, because the unidirectional on state characteristic of diode, second diode, 6 conductings this moment, motor 5 is just changeing, and workbench 9 is moved to the left, after collision block 8 leaves the second normally closed travel switch 7, the connection that resets of the second normally closed travel switch 7, second diode 6 quits work.
Above process all can place the centre position with syllogic switch 1 in any position, and circuit disconnects, and motor 5 is stopped.When motor 5 moves to the precalculated position,, syllogic switch 1 can be placed the centre position because the effect of travel switch when motor 5 is stopped, is protective circuit.
Owing in optical system, adopted this reversing arrangement, make direction of beam propagation is carried out specific change, become simple, convenient, accurate, and reliable operation, cost is low.
Claims (2)
1, a kind of direct current machine drives the platform reversing arrangement, it is characterized in that:
A syllogic switch (1), two diametrical connection pin a of this syllogic switch and f, b and e be short circuit respectively;
A DC power supply (2), positive pole are connected on the middle pin c of syllogic switch (1), and negative pole is connected on the middle pin d of syllogic switch (1);
The positive pole of one direct current motor (6) is connected and is connected on behind the first normally closed travel switch (4) on the following pin f of syllogic switch (1), first diode (3) is in parallel with the first normally closed travel switch (4), its negative pole links to each other with motor (6) is anodal, the negative pole of direct current machine (6) is connected and is connected on behind the second normally closed travel switch (7) on the following pin e of syllogic switch (1), second diode (8) is in parallel with the second normally closed travel switch (7), and its negative pole links to each other with direct current machine (6) negative pole;
One collision block (5) is driven by direct current machine (6).
2, direct current machine according to claim 1 drives the platform reversing arrangement, it is characterized in that described first diode (3) can change direction simultaneously with second diode (8) and be connected, promptly first diode (3) is anodal links to each other with motor (6) is anodal, and second diode (8) is anodal to link to each other with motor (6) negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053307 CN1588787A (en) | 2004-07-30 | 2004-07-30 | DC motor driving platform switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053307 CN1588787A (en) | 2004-07-30 | 2004-07-30 | DC motor driving platform switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1588787A true CN1588787A (en) | 2005-03-02 |
Family
ID=34602814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410053307 Pending CN1588787A (en) | 2004-07-30 | 2004-07-30 | DC motor driving platform switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1588787A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393805A (en) * | 2014-11-19 | 2015-03-04 | 中国航空工业集团公司沈阳飞机设计研究所 | Airplane adjusting engine control circuit |
| CN104670170A (en) * | 2015-02-12 | 2015-06-03 | 张昕箬 | Automobile side-view mirror wiper |
| CN107334503A (en) * | 2016-12-29 | 2017-11-10 | 北京派尔特医疗科技股份有限公司 | Stapler on-off control system, nail bin groupware Rotable Control System and control circuit |
-
2004
- 2004-07-30 CN CN 200410053307 patent/CN1588787A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393805A (en) * | 2014-11-19 | 2015-03-04 | 中国航空工业集团公司沈阳飞机设计研究所 | Airplane adjusting engine control circuit |
| CN104393805B (en) * | 2014-11-19 | 2018-07-13 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of aircraft tune effect circuit for controlling motor |
| CN104670170A (en) * | 2015-02-12 | 2015-06-03 | 张昕箬 | Automobile side-view mirror wiper |
| CN107334503A (en) * | 2016-12-29 | 2017-11-10 | 北京派尔特医疗科技股份有限公司 | Stapler on-off control system, nail bin groupware Rotable Control System and control circuit |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |