CN111600513A - Startup control circuit with acousto-optic early warning function - Google Patents
Startup control circuit with acousto-optic early warning function Download PDFInfo
- Publication number
- CN111600513A CN111600513A CN202010579072.1A CN202010579072A CN111600513A CN 111600513 A CN111600513 A CN 111600513A CN 202010579072 A CN202010579072 A CN 202010579072A CN 111600513 A CN111600513 A CN 111600513A
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- China
- Prior art keywords
- early warning
- indicator lamp
- coil
- relay
- contactor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000007 visual effect Effects 0.000 claims abstract description 13
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details of starting control
- H02P1/04—Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter
- H02P1/10—Manually-operated on/off switch controlling relays or contactors operating sequentially for starting a motor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/02—Details of stopping control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a startup control circuit for acousto-optic early warning, which comprises a secondary line power port A and a power port B externally connected with a 220V alternating current power supply, and is characterized in that: the control circuit further comprises bipolar circuit breakers QF1 and QF2, a stop button SB1, a start button SB2, an early warning intermediate relay KA1, an early warning time relay KT1, an audible and visual alarm HAB, an operating contactor KM, an early warning indicator lamp HD1, an operating indicator lamp HD2 and a thermal relay FR; the circuit is simple, easy and convenient to operate, reliable in operation and safe in production and driving protection.
Description
Technical Field
The invention relates to a control circuit, in particular to a startup control circuit for acousto-optic early warning.
Background
In the industrial manufacturing field, equipment starts the start-up and all is in a large amount of repetitive operation every day, and when large-scale equipment area is great or the distance is far away to and the overhaul of the equipments finishes when starting, because operating personnel or maintainer cooperation are inconsistent, still someone is overhauld during the start-up, causes the personal accident easily.
Disclosure of Invention
The invention aims to provide a starting control circuit for acousto-optic early warning. After time delay, the motor starts to operate, thereby preventing safety accidents. The circuit is simple, easy and convenient to operate, reliable in operation and safe in production and driving protection.
In order to achieve the purpose, the starting control circuit of the acousto-optic early warning comprises a secondary line power port A and a power port B which are externally connected with a 220V alternating current power supply, and further comprises bipolar circuit breakers QF1 and QF2, a stop button SB1, a start button SB2, an early warning intermediate relay KA1, an early warning time relay 1, an acousto-optic alarm HAKT, an operation contactor KM, an early warning indicator lamp HD1, an operation indicator lamp HD2 and a thermal relay FR;
the secondary line power supply port A is connected with the upper end of a starting button SB2, the upper end of a normally open contact of an early warning intermediate relay KA1, the upper end of a normally open contact of an early warning time relay KT1 in a delayed closing mode and the upper end of a normally open contact of an operating contactor KM through a bipolar breaker QF1 and a stop button SB 1;
the lower end of the starting button SB2 is connected with the lower end of a normally open contact of an early warning intermediate relay KA1 in parallel and then is respectively connected with the normally closed contact of the operation contactor KM and the upper end of the audible and visual alarm HAB;
the lower end of the normally closed contact of the operation contactor KM is respectively connected with the upper end of a coil of an early warning intermediate relay KA1, the upper end of a coil of an early warning time relay KT1 and the upper end of an early warning indicator lamp HD 1;
the lower end of the normally open contact of the early warning time relay KT1 is connected with the lower end of the normally open contact of the operation contactor KM in parallel, and then is respectively connected with the upper end of a coil of the operation contactor KM and the upper end of an operation indicator lamp HD 2;
the lower end of a coil of the early warning intermediate relay KA1, the lower end of a coil of the early warning time relay KT1, the lower end of an early warning indicator lamp HD1, the lower end of an audible and visual alarm HAB, the lower end of a coil of the operation contactor KM and the lower end of an operation indicator lamp HD2 are connected in parallel, and a normally closed contact of a series thermal relay FR is connected with one end of a bipolar circuit breaker QF 2;
the other end of the bipolar breaker QF2 is connected to a secondary line power supply port B.
In the technical scheme, when the starting control circuit for the acousto-optic early warning is started, the bipolar circuit breakers QF1 and QF2 are manually closed, the starting button SB2 is pressed, and the coil of the early warning intermediate relay KA1 and the coil of the early warning time relay KT1 are simultaneously electrified. The normally open contact of the early warning intermediate relay KA1 is closed and self-locked. The warning indicator light HD1 lights up, and the audible and visual alarm HAB flashes and buzzes with a large decibel.
When the delay time of the early warning time relay KT1 is reached, the delay normally-open contact is closed, the coil of the operating contactor KM is electrified to act, the main circuit is switched on, the motor starts to rotate forwards, and the operating indicator lamp HD2 is lightened. In addition, a contactor KM normally closed contact is operated, and the power supplies of an early warning intermediate relay KA1 coil, an early warning time relay KT1 coil and an early warning indicator lamp HD1 are disconnected. And the normally open contact of the early warning intermediate relay KA1 is opened, and the audible and visual alarm HAB stops working.
When the power-on control circuit of the acousto-optic early warning is turned off, the stop button SB1 is pressed, the coil of the running contactor KM loses power to act, the main circuit is disconnected, the motor stops running, and the running indicator lamp HD2 is turned off.
The circuit is simple, easy and convenient to operate, reliable in operation and safe in production and driving protection.
Drawings
Fig. 1 is a circuit diagram of a start-up control circuit of an acousto-optic early warning system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following describes in detail a startup control circuit of an acousto-optic warning device according to the present invention with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As can be seen from fig. 1, the start-up control circuit of the acousto-optic early warning of the embodiment includes a secondary line power port a and a power port B externally connected to a 220V ac power supply, and is characterized in that: the control circuit further comprises bipolar circuit breakers QF1 and QF2, a stop button SB1, a start button SB2, an early warning intermediate relay KA1, an early warning time relay KT1, an audible and visual alarm HAB, an operating contactor KM, an early warning indicator lamp HD1, an operating indicator lamp HD2 and a thermal relay FR;
the secondary line power supply port A is connected with the upper end of a starting button SB2, the upper end of a normally open contact of an early warning intermediate relay KA1, the upper end of a normally open contact of an early warning time relay KT1 in a delayed closing mode and the upper end of a normally open contact of an operating contactor KM through a bipolar breaker QF1 and a stop button SB 1;
the lower end of the starting button SB2 is connected with the lower end of a normally open contact of an early warning intermediate relay KA1 in parallel and then is respectively connected with the normally closed contact of the operation contactor KM and the upper end of the audible and visual alarm HAB;
the lower end of the normally closed contact of the operation contactor KM is respectively connected with the upper end of a coil of an early warning intermediate relay KA1, the upper end of a coil of an early warning time relay KT1 and the upper end of an early warning indicator lamp HD 1;
the lower end of the normally open contact of the early warning time relay KT1 is connected with the lower end of the normally open contact of the operation contactor KM in parallel, and then is respectively connected with the upper end of a coil of the operation contactor KM and the upper end of an operation indicator lamp HD 2;
the lower end of a coil of the early warning intermediate relay KA1, the lower end of a coil of the early warning time relay KT1, the lower end of an early warning indicator lamp HD1, the lower end of an audible and visual alarm HAB, the lower end of a coil of the operation contactor KM and the lower end of an operation indicator lamp HD2 are connected in parallel, and a normally closed contact of a series thermal relay FR is connected with one end of a bipolar circuit breaker QF 2;
the other end of the bipolar breaker QF2 is connected to a secondary line power supply port B.
In the embodiment, when the starting control circuit for the acousto-optic early warning is started, the bipolar circuit breakers QF1 and QF2 are manually closed, the starting button SB2 is pressed, and the coil of the early warning intermediate relay KA1 and the coil of the early warning time relay KT1 are simultaneously electrified. The normally open contact of the early warning intermediate relay KA1 is closed and self-locked. The warning indicator light HD1 lights up, and the audible and visual alarm HAB flashes and buzzes with a large decibel.
When the delay time of the early warning time relay KT1 is reached, the delay normally-open contact is closed, the coil of the operating contactor KM is electrified to act, the main circuit is switched on, the motor starts to rotate forwards, and the operating indicator lamp HD2 is lightened. In addition, a contactor KM normally closed contact is operated, and the power supplies of an early warning intermediate relay KA1 coil, an early warning time relay KT1 coil and an early warning indicator lamp HD1 are disconnected. And the normally open contact of the early warning intermediate relay KA1 is opened, and the audible and visual alarm HAB stops working.
In the embodiment, when the starting control circuit of the acousto-optic early warning is turned off, the stop button SB1 is pressed, the coil of the operation contactor KM loses power to act, the main circuit is disconnected, the motor stops running, and the operation indicator lamp HD2 is turned off.
The circuit is simple, easy and convenient to operate, reliable in operation and safe in production and driving protection.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements 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 start-up control circuit of reputation early warning, includes external 220V alternating current power supply's secondary line power port A and power port B, its characterized in that: the control circuit further comprises bipolar circuit breakers QF1 and QF2, a stop button SB1, a start button SB2, an early warning intermediate relay KA1, an early warning time relay KT1, an audible and visual alarm HAB, an operating contactor KM, an early warning indicator lamp HD1, an operating indicator lamp HD2 and a thermal relay FR;
the secondary line power supply port A is connected with the upper end of a starting button SB2, the upper end of a normally open contact of an early warning intermediate relay KA1, the upper end of a normally open contact of an early warning time relay KT1 in a delayed closing mode and the upper end of a normally open contact of an operating contactor KM through a bipolar breaker QF1 and a stop button SB 1;
the lower end of the starting button SB2 is connected with the lower end of a normally open contact of an early warning intermediate relay KA1 in parallel and then is respectively connected with the normally closed contact of the operation contactor KM and the upper end of the audible and visual alarm HAB;
the lower end of the normally closed contact of the operation contactor KM is respectively connected with the upper end of a coil of an early warning intermediate relay KA1, the upper end of a coil of an early warning time relay KT1 and the upper end of an early warning indicator lamp HD 1;
the lower end of the normally open contact of the early warning time relay KT1 is connected with the lower end of the normally open contact of the operation contactor KM in parallel, and then is respectively connected with the upper end of a coil of the operation contactor KM and the upper end of an operation indicator lamp HD 2;
the lower end of a coil of the early warning intermediate relay KA1, the lower end of a coil of the early warning time relay KT1, the lower end of an early warning indicator lamp HD1, the lower end of an audible and visual alarm HAB, the lower end of a coil of the operation contactor KM and the lower end of an operation indicator lamp HD2 are connected in parallel, and a normally closed contact of a series thermal relay FR is connected with one end of a bipolar circuit breaker QF 2;
the other end of the bipolar breaker QF2 is connected to a secondary line power supply port B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010579072.1A CN111600513A (en) | 2020-06-23 | 2020-06-23 | Startup control circuit with acousto-optic early warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010579072.1A CN111600513A (en) | 2020-06-23 | 2020-06-23 | Startup control circuit with acousto-optic early warning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111600513A true CN111600513A (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010579072.1A Pending CN111600513A (en) | 2020-06-23 | 2020-06-23 | Startup control circuit with acousto-optic early warning function |
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| Country | Link |
|---|---|
| CN (1) | CN111600513A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634554A (en) * | 2020-12-28 | 2021-04-09 | 刘晓磊 | Air switch safety operation signboard in electrical switch cabinet and method |
-
2020
- 2020-06-23 CN CN202010579072.1A patent/CN111600513A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634554A (en) * | 2020-12-28 | 2021-04-09 | 刘晓磊 | Air switch safety operation signboard in electrical switch cabinet and method |
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