CN208477319U - A kind of safety door latch circuit - Google Patents
A kind of safety door latch circuit Download PDFInfo
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- CN208477319U CN208477319U CN201820589987.9U CN201820589987U CN208477319U CN 208477319 U CN208477319 U CN 208477319U CN 201820589987 U CN201820589987 U CN 201820589987U CN 208477319 U CN208477319 U CN 208477319U
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- current relay
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Abstract
The utility model provides a kind of safety door latch circuit, including power circuit, power circuit includes breaker, the external alternating current in breaker one end, the breaker other end is connected with Switching Power Supply, terminal block is connected in Switching Power Supply, terminal block includes negative terminal row and positive terminal row, safety door panel circuit and control box circuit are connected in terminal block, safety door panel circuit includes safety relay, reset button circuit, detection circuit and indicator light circuit, controlling box circuit includes the first safety door lock access, second safety door lock access, safety door opens circuit and opens door lock circuit, reset button circuit includes reset button and the 4th current relay coil, detection circuit includes the first change-over switch being successively electrically connected, second change-over switch and automatic running module in parallel, door opening request module and request shutdown module, The utility model has structure simple, and easily operated and maintenance is applicable in wide and high development efficiency advantage.
Description
Technical field
The utility model belongs to safety door latch technical field, and in particular to a kind of safety door latch circuit.
Background technique
With being constantly progressive for science and technology, each company's production line automation degree was originally higher, correspondingly, to safety
It is required that also higher and higher.In modern plant, all people person's access door must all be used on production line or automation equipment
Safety door latch.Now on the market there are many kinds of safety door latch, but the control button of every family and indicator light differentiation are too big, often
One wiring and control system are also different, and number of types of safety door latch route design is not all accounted for be set with other
Standby interaction scenario, or in wiring debugging need that many kinds of parameters is arranged, very big puzzlement is brought to electrical design.
The utility model designs a general safety door latch control circuit, is also accordingly designed based on this control circuit
Control box.Only corresponding control system need to be accessed to induction signal according in design drawing in practical applications.This control
Circuit can be independently operated, and its signal is transmitted to other control equipment.
Utility model content
The purpose of the utility model is to provide a kind of safety door latch circuits to be not applied for type to solve available circuit
The problems such as interaction, debugging and use of numerous safety door latch.
The utility model provides the following technical solution:
A kind of safety door latch circuit, including power circuit, the power circuit include breaker, outside described breaker one end
Alternating current is connect, the breaker other end is connected with Switching Power Supply, and terminal block, the terminal block packet are connected in the Switching Power Supply
Negative terminal row and positive terminal row are included, safety door panel circuit and control box circuit, the peace are connected in the terminal block
Air cock panel circuit includes safety relay, reset button circuit, detection circuit and indicator light circuit, the control box circuit packet
Including the first safety door, lock access, safety door open circuit and open door lock circuit, the reset for lock access, the second safety door
Button circuit includes reset button and the 4th current relay coil, and the detection circuit includes first turn be successively electrically connected
Change switch, the automatic running module of the second change-over switch and parallel connection, door opening request module and request shutdown module.
Preferably, described including power interface, emergency stop interface, reseting interface and on-off interface on the safety relay
Power interface is connect with the terminal block, and the first scram button channel is connected on the emergency stop interface and the second scram button is logical
Road, first scram button channel and second scram button channel are equipped with scram button, connect on the reseting interface
It is connected to the 4th electric current relay, the first change-over switch coil and the second change-over switch coil are connected on the on-off interface.
Preferably, the indicator light circuit includes that emergency stop indicator light, automatic running indicator light, shutdown indicator light and enabling refer to
Show lamp, first change-over switch and second change-over switch parallel with one another are in series on the emergency stop indicator light, it is described
Automatic running indicator light is connected with the 5th electric current relay, the opening indicating lamp and the shutdown indicator light respectively on according to
It is secondary to be in series with the first electric current relay, the second electric current relay, third electric current relay, the 6th electric current relay and the 7th electric current
Relay.
Preferably, the emergency stop indicator light is red, and the automatic running indicator light is blue, and the opening indicating lamp is
Green, the shutdown indicator light are white.
Preferably, the automatic running module includes in parallel automatic running button and the 5th electric current relay, it is described from
It connects in dynamic operation module the 5th current relay coil, the door opening request module includes door open button in parallel and described the
Six electric current relays, the 6th current relay coil of connecting in the door opening request module, the request shutdown module is including simultaneously
The door close button of connection and the 7th electric current relay, the 7th current relay coil of connecting in the request shutdown module.
Preferably, lock access is equipped with the first circuit relay coil and the first safety switch to first safety door,
Lock access is equipped with second circuit relay coil and the second safety switch to second safety door.
Preferably, the safety door opens circuit and is equipped with tertiary circuit relay coil and third safety switch, described
It is in parallel on third safety switch to be equipped with the first light emitting diode and the second light emitting diode.
Preferably, the opening door lock circuit includes the 6th electric current relay, the 7th electric current relay and door
Lock-switch.
The beneficial effects of the utility model are:
Compared with other safety door latch, the utility model is equipped with safety door panel circuit and control box circuit, will control box
Circuit reduction only draws the signal for needing to interact with external security door face board circuit, by programs such as movement processing, safe handlings
It has been encapsulated in inside control box, has reduced design difficulty, also saved the development time for designer, improve work efficiency, just
In standardized and popularized training, it is convenient for Operation and maintenance.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model power circuit schematic diagram；
Fig. 2 is safety door panel circuit schematic diagram；
Fig. 3 is control box circuit diagram；
Fig. 4 is safety relay circuit diagram；
Fig. 5 is utility model works flow chart.
Specific embodiment
As shown in Figs. 1-5, a kind of safety door latch circuit, including power circuit, power circuit include circuit breaker Q F1, open circuit
The external alternating current in the one end device QF1, the circuit breaker Q F1 other end are connected with Switching Power Supply VC, and terminal block is connected on Switching Power Supply VC, end
Son row includes negative terminal row and positive terminal row, and safety door panel circuit and control box circuit, safety are connected in terminal block
Door face board circuit includes safety relay, reset button circuit, detection circuit and indicator light circuit, and control box circuit includes first
Safety door open circuit and open door lock circuit, reset button circuit packet for lock access, the second safety door by lock access, safety door
Reset button S2 and the 4th electric current relay KA4 coil are included, detection circuit includes the first change-over switch being successively electrically connected
SA1, the second change-over switch SA2 and the automatic running module of parallel connection, door opening request module and request shutdown module.
Specifically, including power interface, emergency stop interface, reseting interface and on-off interface, power interface on safety relay
It is connect with terminal block, the first scram button channel and the second scram button channel, the first scram button is connected on emergency stop interface
Channel and the second scram button channel are equipped with scram button S1, are connected with the 4th electric current relay KA4, on-off on reseting interface
The first change-over switch SA1 coil and the second change-over switch SA2 coil are connected on interface.
Specifically, indicator light circuit includes emergency stop indicator light H1, automatic running indicator light H4, shutdown indicator light H29 and opens
The conversion SA2 switch of the first change-over switch SA1 and second parallel with one another is in series on door indicator light H28, emergency stop indicator light H1, from
Dynamic run indicator H4 connects with the 5th electric current relay KA5, opening indicating lamp H28 and shutdown indicator light H29 respectively on successively
It is in series with the first electric current relay KA1, the second electric current relay KA2, third electric current relay KA3, the 6th electric current relay KA6
It is red with the 7th electric current relay KA7, emergency stop indicator light H1, automatic running indicator light H4 is blue, and opening indicating lamp H28 is
Green, shutdown indicator light H29 are white.
Specifically, automatic running module includes automatic running button S4 and the 5th electric current relay KA5 in parallel, automatic fortune
The 5th electric current relay KA5 coil of series connection in row module, door opening request module include door open button S28 and the 6th electric current in parallel
Relay KA6, the 6th electric current relay KA6 coil of connecting in door opening request module, request shutdown module include shutdown in parallel
Button S29 and the 7th electric current relay KA7 requests the 7th electric current relay KA7 coil of connecting in shutdown module.
Specifically, lock access is equipped with the first circuit relay KA1 coil and the first safety switch to the first safety door, the
Lock access is equipped with second circuit relay KA2 coil and the second safety switch to two safety doors.
Specifically, safety door, which opens circuit, is equipped with tertiary circuit relay KA3 coil and third safety switch, third peace
It is in parallel on full switch to be equipped with the first light emitting diode YE and the second light emitting diode RD, open door lock circuit include the 6th electric current after
Electric appliance KA6, the 7th electric current relay KA7 and door interlock switch.
Present embodiment are as follows:
When any scram button S1 (red) is pressed, the emergency stop indicator light H1 of all red is always on；Safety relay
Upper SA1 and SA2 coil losing electricity, contact movement, door open button S28, door close button S29 and reset button S2 fail inactive
Make, all in addition to emergency stop indicator light off, while emergent stop signal can be transferred to other equipment in same system, makes motor unit all
It stops working.It is completed in abnormal conditions processing, after scram button S1 is resetted (pop-up), presses blue reset button S2, safety
Relay SA1, SA2 coil work once electrified, can continue to carry out switch door operation.Under normal condition, automatic running button is pressed
After S4, system is in automatic running, and automatic running indicator light H4 is in long bright, unit exception (scram button S1 is taken)
When, automatic running indicator light H4 goes out.It when enabling, first presses door open button S28 (green), KA6 relay coil movement, shutdown refers to
Show that lamp H29 is lighted, indicates that door has already turned on, personnel can pull open door by door handle at this time；At closing time, personnel first pass through door knob
Hand handle door is shut, then presses door close button S29 (white), KA7 coil motion, and internal wiring sends door signal, safety door latch
It closes, opening indicating lamp H28 (green) is always on, and indicates that door has been shut.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (8)
1. a kind of safety door latch circuit, which is characterized in that including power circuit, the power circuit includes breaker, described disconnected
The external alternating current in road device one end, the breaker other end are connected with Switching Power Supply, and terminal block, institute are connected in the Switching Power Supply
Stating terminal block includes negative terminal row and positive terminal row, and safety door panel circuit and control box electricity are connected in the terminal block
Road, the safety door panel circuit include safety relay, reset button circuit, detection circuit and indicator light circuit, the control
Box circuit processed includes that the first safety door open circuit and open door lock electricity for lock access, the second safety door by lock access, safety door
Road, the reset button circuit include reset button and the 4th current relay coil, and the detection circuit includes successively electrical
First change-over switch of connection, the automatic running module of the second change-over switch and parallel connection, door opening request module and request shutdown mould
Block.
2. a kind of safety door latch circuit according to claim 1, which is characterized in that include power supply on the safety relay
Interface, emergency stop interface, reseting interface and on-off interface, the power interface are connect with the terminal block, on the emergency stop interface
It is connected with the first scram button channel and the second scram button channel, first scram button channel and second emergency stop are pressed
Button channel is equipped with scram button, is connected with the 4th electric current relay on the reseting interface, is connected on the on-off interface
First change-over switch coil and the second change-over switch coil.
3. a kind of safety door latch circuit according to claim 1, which is characterized in that the indicator light circuit includes that emergency stop refers to
Show lamp, automatic running indicator light, shutdown indicator light and opening indicating lamp, institute parallel with one another is in series on the emergency stop indicator light
State the first change-over switch and second change-over switch, the opening indicating lamp and the shutdown indicator light respectively on be sequentially connected in series
There are the first electric current relay, the second electric current relay, third electric current relay, the 6th electric current relay and the 7th electric current relay
Device.
4. a kind of safety door latch circuit according to claim 3, which is characterized in that the emergency stop indicator light is red, institute
Automatic running indicator light is stated as blue, the opening indicating lamp is green, and the shutdown indicator light is white.
5. a kind of safety door latch circuit according to claim 3, which is characterized in that the automatic running module includes parallel connection
Automatic running button and the 5th electric current relay, the 5th current relay coil of connecting in the automatic running module is described
Door opening request module includes door open button and the 6th electric current relay in parallel, series connection the 6th in the door opening request module
Current relay coil, the request shutdown module includes the door close button and the 7th electric current relay of parallel connection, described to ask
Ask the 7th current relay coil of series connection, the automatic running indicator light and the 5th electric current relay string in shutdown module
Connection.
6. a kind of safety door latch circuit according to claim 1, which is characterized in that first safety door is on lock access
Equipped with the first circuit relay coil and the first safety switch, lock access is equipped with second circuit relay to second safety door
Device coil and the second safety switch.
7. a kind of safety door latch circuit according to claim 1, which is characterized in that the safety door is opened circuit and is equipped with
Tertiary circuit relay coil and third safety switch, it is in parallel on the third safety switch to be equipped with the first light emitting diode and the
Two light emitting diodes.
8. a kind of safety door latch circuit according to claim 3, which is characterized in that the opening door lock circuit includes described
6th electric current relay, the 7th electric current relay and door interlock switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589987.9U CN208477319U (en) | 2018-04-24 | 2018-04-24 | A kind of safety door latch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589987.9U CN208477319U (en) | 2018-04-24 | 2018-04-24 | A kind of safety door latch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477319U true CN208477319U (en) | 2019-02-05 |
Family
ID=65219991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820589987.9U Active CN208477319U (en) | 2018-04-24 | 2018-04-24 | A kind of safety door latch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208477319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115240505A (en) * | 2022-08-19 | 2022-10-25 | 南京中车浦镇城轨车辆有限责任公司 | Door teaching operation panel applied to railway vehicle |
-
2018
- 2018-04-24 CN CN201820589987.9U patent/CN208477319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115240505A (en) * | 2022-08-19 | 2022-10-25 | 南京中车浦镇城轨车辆有限责任公司 | Door teaching operation panel applied to railway vehicle |
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