CN107834532B - Power sequence start-stop misoperation prevention circuit for corrugated board printer - Google Patents
Power sequence start-stop misoperation prevention circuit for corrugated board printer Download PDFInfo
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- CN107834532B CN107834532B CN201711223318.6A CN201711223318A CN107834532B CN 107834532 B CN107834532 B CN 107834532B CN 201711223318 A CN201711223318 A CN 201711223318A CN 107834532 B CN107834532 B CN 107834532B
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- power supply
- normally open
- servo
- alternating current
- current contactor
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- 230000002265 prevention Effects 0.000 title claims abstract description 11
- 239000000470 constituent Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
Abstract
The invention relates to the technical field of printer industrial control, and discloses a power supply sequential start-stop misoperation prevention circuit for a corrugated board printer, which aims to solve the problems of sequential start and stop of various power supplies and prevent power-on and power-off of accidental operation. The circuit of the invention divides the circuit between the L end and the N end into a ring branch, a total power indication branch, a total power starting branch, a servo power indication branch and a servo power starting branch, and the constituent elements comprise: the power supply start-stop key selection switch is provided with two linked normally open contacts; the main power supply alternating current contactor is provided with three linked normally open contacts and a coil; the main power supply starting button is provided with two linked normally open contacts; the servo power alternating current contactor is provided with two linked normally open contacts and a coil; a servo power stop button; a servo power supply start button; a bell alarm; total power supply indicator lamp and servo power supply indicator lamp; thus dividing the circuit of the L and N ends into 7 nodes.
Description
Technical Field
The invention relates to the technical field of printer industrial control, in particular to a power supply sequential start-stop misoperation prevention circuit of a corrugated board printer.
Background
With the development of corrugated board printers, high definition printers with servo shaftless transmission instead of gear transmission have been developed in industry.
The electric control of the full-servo shaftless transmission corrugated board high-definition printer is quite complex, wherein the full-servo shaftless transmission corrugated board high-definition printer comprises a plurality of power supplies such as a power supply, a control power supply and a servo power supply, and the power supplies are started or stopped according to a certain sequence for the safety of equipment and the requirement of a control system.
In the actual production process, the influence of power failure and shutdown on production and equipment damage caused by artificial misoperation must be avoided.
Disclosure of Invention
The invention aims to disclose a power supply sequential start-stop misoperation prevention circuit for a corrugated board printer, which aims to solve the problems of sequential start and stop of various power supplies and prevent power on and power off during accidental operation.
In order to achieve the above purpose, the invention discloses a power supply sequential start-stop misoperation prevention circuit of a corrugated board printer, which comprises:
nodes 1,3, 5,7, 9,11 and 13 distributed between the L end and the N end, wherein the nodes are connecting points between two circuit elements; the circuit element includes: the power supply start-stop key selection switch SA1 is provided with two linked normally open contacts; the main power supply alternating current contactor KM1 is provided with three linked normally open contacts and a coil; the main power supply starting button SB2 is provided with two linked normally open contacts; the servo power supply alternating current contactor KM2 is provided with two linked normally open contacts and a coil; servo power stop button SB3; a servo power supply start button SB4; a ringtone alarm HA1; total power indicator HL1 and servo power indicator HL2;
each node divides a circuit between the L end and the N end into a ring branch, a total power supply indication branch, a total power supply starting branch, a servo power supply indication branch and a servo power supply starting branch; two nodes corresponding to two ends are used as element marks, and the power supply sequence start-stop misoperation prevention circuit of the corrugated board printer specifically comprises:
the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is connected in parallel with the first normally open contact (L, 1) of the total power supply alternating current contactor KM 1;
the first normally open contact (L, 1) of the main power alternating current contactor KM1 is connected in series with the first normally open contact (1, 3) of the main power starting button SB2 and the bell alarm HA1 (3, N);
the normally closed contacts (1, 5) of the total power supply stop button SB1 are connected in parallel with the first normally open contacts (1, 5) of the servo power supply alternating current contactor KM 2;
the second normally open contacts (5, 7) of the main power supply starting button SB2 are connected in parallel with the second normally open contacts (5, 7) of the main power supply alternating current contactor KM 1;
the coils (7, N) of the total power alternating current contactor KM1 are connected with the total power indicator lamp HL1 (7, N) in parallel;
the normally closed contacts (1, 5) of the main power supply stop button SB1 are connected in series with the second normally open contacts (5, 7) of the main power supply start button SB2 and the main power supply indicator lamp HL1 (7, N);
the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is connected in series with the first normally open contact (1, 5) of the servo power supply alternating current contactor KM2, the second normally open contact (5, 7) of the total power supply alternating current contactor KM1 and the coils (7, N) of the total power supply alternating current contactor KM 1;
the second normally open contacts (9, 11) of the power supply start-stop key selection switch SA1 are connected in parallel with the normally closed contacts (9, 11) of the servo power supply stop button SB3;
the normally open contacts (11, 13) of the servo power supply starting button SB4 are connected in parallel with the second normally open contacts (11, 13) of the servo power supply alternating current contactor KM 2;
the servo power supply indicator lamp HL2 (13, N) is connected with the coils (13, N) of the servo power supply alternating current contactor KM2 in parallel;
the third normally open contact (1, 9) of the total power alternating current contactor KM1 is connected in series with the normally closed contacts (9, 11) of the servo power stop button SB3, the normally open contacts (11, 13) of the servo power start button SB4 and the servo power indicator lamp HL2 (13, N);
the second normally open contacts (9, 11) of the power on-off key selection switch SA1 are connected in series with the second normally open contacts (11, 13) of the servo power alternating current contactor KM2 and the coils (13, N) of the servo power alternating current contactor KM 2.
Therefore, the invention increases the functions of preventing misoperation and starting and stopping sequentially, ensures that the electric control of the corrugated board printer is safer and more efficient, and avoids equipment damage, personal safety and product waste caused by unintentional misoperation. Has the following beneficial effects:
the on-off of the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 and the second normally open contact (9, 11) of the SA1 is operated by a key, the key can be specially charged, the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 and the second normally open contact (9, 11) of the SA1 are closed to start the power supply, the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 and the second normally open contact (9, 11) of the SA1 are opened to stop the power supply, misoperation damage to equipment is prevented, and safety accidents are avoided.
The third normally open contact (1, 9) of the total power alternating current contactor KM1 is connected in series before the servo power is started and shut down, the total power must be started first, and then the servo power is started.
The normally closed contacts (1, 5) of the total power supply stop button SB1 are connected in parallel with the first normally open contacts (1, 5) of the servo power supply alternating current contactor KM2, the servo power supply is not stopped, and the total power supply is not stopped.
The invention will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a circuit diagram for preventing misoperation of power supply sequence start-stop of a corrugated board printer according to a preferred embodiment of the invention.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Example 1
The embodiment discloses a power sequence start-stop misoperation prevention circuit of a corrugated board printer.
Referring to fig. 1, the dashed lines in fig. 1 indicate linkages such as: the dashed line of SA1 indicates that the key selection switch has two normally open contacts which are operated simultaneously; also for example: SB2 and HL1 are connected together by a dotted line, and indicate that the total power indicator lamp HL1 is assembled with the total power starting button SB2, called a lamp button, and is started, an indication is given, and the indication lamp is turned on after being pressed. As shown in fig. 1, the circuit structure of the present embodiment is as follows:
nodes 1,3, 5,7, 9,11 and 13 distributed between the L end and the N end, wherein the nodes are connection points between two circuit elements; the circuit element includes: the power supply start-stop key selection switch SA1 is provided with two linked normally open contacts; the main power supply alternating current contactor KM1 is provided with three linked normally open contacts and a coil; the main power supply starting button SB2 is provided with two linked normally open contacts; the servo power supply alternating current contactor KM2 is provided with two linked normally open contacts and a coil; servo power stop button SB3; a servo power supply start button SB4; a ringtone alarm HA1; total power indicator HL1 and servo power indicator HL2;
each node divides a circuit between the L end and the N end into a ring branch, a total power indication branch, a total power starting branch, a servo power indication branch and a servo power starting branch; the power supply sequence start-stop misoperation prevention circuit for the corrugated board printer takes two nodes corresponding to two ends as element labels, and specifically comprises:
the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is connected with the first normally open contact (L, 1) of the main power supply alternating current contactor KM1 in parallel;
the first normally open contact (L, 1) of the main power alternating current contactor KM1 is connected in series with the first normally open contact (1, 3) of the main power starting button SB2 and the bell alarm HA1 (3, N);
the normally closed contacts (1, 5) of the main power supply stop button SB1 are connected in parallel with the first normally open contacts (1, 5) of the servo power supply alternating current contactor KM 2;
the second normally open contacts (5, 7) of the main power supply starting button SB2 are connected in parallel with the second normally open contacts (5, 7) of the main power supply alternating current contactor KM 1;
the coils (7, N) of the total power alternating current contactor KM1 are connected in parallel with the total power indicator lamp HL1 (7, N);
the normally closed contacts (1, 5) of the main power supply stop button SB1 are connected in series with the second normally open contacts (5, 7) of the main power supply start button SB2 and the main power supply indicator lamp HL1 (7, N);
the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is connected in series with the first normally open contact (1, 5) of the servo power supply alternating current contactor KM2, the second normally open contact (5, 7) of the total power supply alternating current contactor KM1 and the coils (7, N) of the total power supply alternating current contactor KM 1;
the second normally open contacts (9, 11) of the power supply start-stop key selection switch SA1 are connected in parallel with the normally closed contacts (9, 11) of the servo power supply stop button SB3;
the normally open contacts (11, 13) of the servo power supply starting button SB4 are connected in parallel with the second normally open contacts (11, 13) of the servo power supply alternating current contactor KM 2;
the servo power supply indicator lamp HL2 (13, N) is connected with coils (13, N) of the servo power supply alternating current contactor KM2 in parallel;
the third normally open contact (1, 9) of the main power alternating current contactor KM1 is connected in series with the normally closed contacts (9, 11) of the servo power stop button SB3, the normally open contacts (11, 13) of the servo power start button SB4 and the servo power indicator lamp HL2 (13, N);
the second normally open contacts (9, 11) of the power on-off key selection switch SA1 are connected in series with the second normally open contacts (11, 13) of the servo power alternating-current contactor KM2 and the coils (13, N) of the servo power alternating-current contactor KM 2.
Based on the circuit shown in fig. 1, the anti-misoperation control includes:
the power supply is started by the power supply start-stop key selection switch SA1 at an on position, namely, a first normally-open contact (L, 1) and a second normally-open contact (9, 11) of the power supply start-stop key selection switch SA1 are closed, and the power supply start-up operation is effectively executed.
The stopping of the power supply must be performed by the power supply start-stop key selection switch SA1 being in the off position, i.e., the first normally open contact (L, 1) and the second normally open contact (9, 11) of the power supply start-stop key selection switch SA1 are open, and it is effective to perform the stopping operation of the power supply.
The start-stop sequence operation control based on fig. 1 specifically includes:
the normally open contacts (L, 1), (9, 11) of the power on-off key selection switch SA1 are closed, the main power on start button SB2 (1, 3), (5, 7) is pressed, the bell alarm HA1 (3, N) rings to prompt that the power on operation is being executed, the coil (7, N) of the main power alternating current contactor KM1 is electrified and the main power indication lamp HL1 (7, N) is on, the normally open contacts (5, 7) of the main power alternating current contactor KM1 connected with the main power on start button SB2 (5, 7) in parallel are closed and self-locked, the normally open contacts (L, 1) of the main power alternating current contactor KM1 connected with the normally open contacts (L, 1) of the power on-off key selection switch SA1 in parallel are closed, the normally open contacts (1, 9) of the main power alternating current contactor KM1 connected with the normally open contacts (L, 1) of the power on-off key selection switch SA1 in series are closed, and the main power is started.
When the servo power supply starting buttons SB4 (11 and 13) are pressed, coils (13 and N) of the servo power supply alternating current contactor KM2 are electrified and attracted, the servo power supply indicating lamps HL2 (13 and N) are on, normally open contacts (11 and 13) of the servo power supply alternating current contactor KM2 connected with the servo power supply starting buttons SB4 (11 and 13) in parallel are closed and self-locked, normally open contacts (1 and 5) of the servo power supply alternating current contactor KM2 connected with normally closed contacts (1 and 5) of the total power supply stopping button SB1 are closed, and the servo power supply is started.
The normally open contacts (L, 1), (9, 11) of the power on-off key selection switch SA1 are disconnected, the servo power stop buttons SB3 (9, 11) are pressed, the coils (13, N) of the servo power alternating current contactor KM2 are powered off and released, the servo power indicator lamp HL2 (13, N) is turned off, the normally open contacts (11, 13) of the servo power alternating current contactor KM2 connected with the servo power start buttons SB4 (11, 13) in parallel are disconnected, the normally open contacts (1, 5) of the servo power alternating current contactor KM2 connected with the normally closed contacts (1, 5) of the total power stop button SB1 are disconnected, and the servo power is stopped.
When the main power supply stop button SB1 (1, 5) is pressed, the coil (7, N) of the main power supply alternating current contactor KM1 is powered off and released, the main power supply indicator lamp HL1 (7, N) is turned off, the normally open contact (5, 7) of the main power supply alternating current contactor KM1 connected in parallel with the main power supply start button SB2 (5, 7) is disconnected, the normally open contact (L, 1) of the main power supply alternating current contactor KM1 connected in parallel with the normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is disconnected, the normally open contact (1, 9) of the main power supply alternating current contactor KM1 connected in series with the normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is disconnected, and the main power supply is stopped.
In this embodiment, the on-off of the normally open contacts (L, 1), (9, 11) of the power on-off key selection switch SA1 is operated by a key, and the key can be specially responsible for the power on-off key selection switch SA1, the normally open contacts (L, 1), (9, 11) are closed to start the power, and the normally open contacts (L, 1), (9, 11) of the power on-off key selection switch SA1 are opened to stop the power, so as to prevent the equipment from being damaged by misoperation and avoid safety accidents.
In this embodiment, the normally open contacts (1, 9) of the ac contactor KM1 of the main power supply are connected in series before the power supply is turned on and off, and the main power supply must be started first and then the servo power supply must be started.
In this embodiment, normally closed contacts (1, 5) of the total power supply stop button SB1 are connected in parallel with normally open contacts (1, 5) of the servo power supply ac contactor KM2, the servo power supply is not stopped, and the total power supply is not stopped.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides a corrugated container board printer power supply sequence opens stops anti-misoperation circuit which characterized in that includes:
nodes 1,3, 5,7, 9,11 and 13 distributed between the L end and the N end, wherein the nodes are connecting points between two circuit elements; the circuit element includes: the power supply start-stop key selection switch SA1 is provided with two linked normally open contacts; the main power supply alternating current contactor KM1 is provided with three linked normally open contacts and a coil; the main power supply starting button SB2 is provided with two linked normally open contacts; the servo power supply alternating current contactor KM2 is provided with two linked normally open contacts and a coil; servo power stop button SB3; a servo power supply start button SB4; a ringtone alarm HA1; total power indicator HL1 and servo power indicator HL2;
each node divides a circuit between the L end and the N end into a ring branch, a total power supply indication branch, a total power supply starting branch, a servo power supply indication branch and a servo power supply starting branch; two nodes corresponding to two ends are used as element marks, and the power supply sequence start-stop misoperation prevention circuit of the corrugated board printer specifically comprises:
the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is connected in parallel with the first normally open contact (L, 1) of the total power supply alternating current contactor KM 1;
the first normally open contact (L, 1) of the main power alternating current contactor KM1 is connected in series with the first normally open contact (1, 3) of the main power starting button SB2 and the bell alarm HA1 (3, N);
the normally closed contacts (1, 5) of the main power supply stop button SB1 are connected in parallel with the first normally open contacts (1, 5) of the servo power supply alternating current contactor KM 2;
the second normally open contacts (5, 7) of the main power supply starting button SB2 are connected in parallel with the second normally open contacts (5, 7) of the main power supply alternating current contactor KM 1;
the coils (7, N) of the total power alternating current contactor KM1 are connected with the total power indicator lamp HL1 (7, N) in parallel;
the normally closed contacts (1, 5) of the main power supply stop button SB1 are connected in series with the second normally open contacts (5, 7) of the main power supply start button SB2 and the main power supply indicator lamp HL1 (7, N);
the first normally open contact (L, 1) of the power supply start-stop key selection switch SA1 is connected in series with the first normally open contact (1, 5) of the servo power supply alternating current contactor KM2, the second normally open contact (5, 7) of the total power supply alternating current contactor KM1 and the coils (7, N) of the total power supply alternating current contactor KM 1;
the second normally open contacts (9, 11) of the power supply start-stop key selection switch SA1 are connected in parallel with the normally closed contacts (9, 11) of the servo power supply stop button SB3;
the normally open contacts (11, 13) of the servo power supply starting button SB4 are connected in parallel with the second normally open contacts (11, 13) of the servo power supply alternating current contactor KM 2;
the servo power supply indicator lamp HL2 (13, N) is connected with the coils (13, N) of the servo power supply alternating current contactor KM2 in parallel;
the third normally open contact (1, 9) of the total power alternating current contactor KM1 is connected in series with the normally closed contacts (9, 11) of the servo power stop button SB3, the normally open contacts (11, 13) of the servo power start button SB4 and the servo power indicator lamp HL2 (13, N);
the second normally open contacts (9, 11) of the power start-stop key selection switch SA1 are connected in series with the second normally open contacts (11, 13) of the servo power alternating current contactor KM2 and the coils (13, N) of the servo power alternating current contactor KM 2;
the misoperation prevention includes:
the power supply is started, the power supply start-stop key selection switch SA1 is at an on position, namely a first normally open contact (L, 1) and a second normally open contact (9, 11) of the power supply start-stop key selection switch SA1 are closed, and the power supply start operation is effectively executed;
the stopping of the power supply must be performed by the power supply start-stop key selection switch SA1 being in the off position, i.e., the first normally open contact (L, 1) and the second normally open contact (9, 11) of the power supply start-stop key selection switch SA1 are open, and it is effective to perform the stopping operation of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223318.6A CN107834532B (en) | 2017-11-29 | 2017-11-29 | Power sequence start-stop misoperation prevention circuit for corrugated board printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223318.6A CN107834532B (en) | 2017-11-29 | 2017-11-29 | Power sequence start-stop misoperation prevention circuit for corrugated board printer |
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| Publication Number | Publication Date |
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| CN107834532A CN107834532A (en) | 2018-03-23 |
| CN107834532B true CN107834532B (en) | 2024-02-06 |
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| GB824779A (en) * | 1955-05-31 | 1959-12-02 | Igranic Electric Co Ltd | Improvements in or relating to electrical controllers |
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