CN206619900U - A kind of automatic power-off protection device - Google Patents
A kind of automatic power-off protection device Download PDFInfo
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- CN206619900U CN206619900U CN201720405904.1U CN201720405904U CN206619900U CN 206619900 U CN206619900 U CN 206619900U CN 201720405904 U CN201720405904 U CN 201720405904U CN 206619900 U CN206619900 U CN 206619900U
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- electric brake
- circuit breaker
- power circuit
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- logic controller
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Abstract
The utility model discloses a kind of automatic power-off protection device, the device includes：Electric brake power circuit breaker no-voltage release, programmable logic controller (PLC) PLC and multiple preset failure test points, electric brake power circuit breaker no-voltage release are connected with electric brake power circuit breaker；Multiple preset failure test points are connected with programmable logic controller (PLC)；Programmable logic controller (PLC) is connected with electric brake power circuit breaker no-voltage release, programmable logic controller (PLC) detects whether multiple preset failure test points break down, when detection is broken down, PLC controls electric brake power circuit breaker no-voltage release is acted, disconnect electric brake power circuit breaker, electric brake dead electricity band-type brake is forced in time, master file motor device is out of service, it is to avoid scaling loss occurs for master file motor device or weight glides and causes serious accident.
Description
Technical field
The utility model is related to machine control techniques field, more particularly to a kind of automatic power-off protection device.
Background technology
Crane is a kind of hoisting and transporting tool for being widely used in the place such as harbour, workshop, electric power, building site, and it is useful in that
Hanging device, speedily carry out rescue work, lifting, machinery, rescue etc..In actual applications, when in crane handling weight running, in electric brake hair
During raw dead electricity, band-type brake control circuit loop may fail, it is impossible to which timely band-type brake, crane master file motor device still runs, caused
The situation that scaling loss or weight glide may occur for master file motor device, easily cause serious accident.
Utility model content
The purpose of this utility model is to propose a kind of automatic power-off protection device, to solve to send out in electric brake in the prior art
Raw dead electricity, it is impossible to timely band-type brake, causes the problem of master file motor device generation scaling loss or weight glide.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of automatic power-off protection device, including：Electric brake power circuit breaker no-voltage release, programmable logic controller (PLC)
PLC and multiple preset failure test points, wherein：
The electric brake power circuit breaker no-voltage release is connected with electric brake power circuit breaker；
The multiple preset failure test point is connected with the programmable logic controller (PLC)；
The programmable logic controller (PLC) is connected with the electric brake power circuit breaker no-voltage release, controls the electric brake electricity
Source breaker no-voltage release action, disconnects the electric brake power circuit breaker.
Wherein, the programmable logic controller (PLC) includes：Power transfer relay, when the detection preset failure test point occurs
During failure, the power transfer relay adhesive, the power transfer relay auxiliary magnet closure takes off the electric brake power circuit breaker decompression
Device action is detained, the electric brake power circuit breaker is disconnected.
Wherein, the preset failure test point includes：The electric brake power circuit breaker no-voltage release, the electric brake power supply
The test point of the forward and reverse contactor of breaker, motor, brake and electric brake relevant action.
Wherein, the programmable logic controller (PLC) by the internal processes of the programmable logic controller (PLC) to the electric brake
Power circuit breaker no-voltage release, the electric brake power circuit breaker, the motor positive and inverse contactor, the brake and institute
The test point for stating electric brake relevant action is interlocked.
It is preferred that, in addition to：
It is connected with the preset failure test point, carries out the accident warning device of indicating fault.
Wherein, the accident warning device is buzzer.
Wherein, the accident warning device is visual alarm.
It is preferred that, in addition to：
It is connected with the programmable logic controller (PLC), after Failure elimination, the electric brake power circuit breaker is resetted
Fault reset switch.
Understood via above-mentioned technical scheme, compared with prior art, guarantor is automatically powered off the utility model discloses one kind
Protection unit, the device includes：Electric brake power circuit breaker no-voltage release, programmable logic controller (PLC) PLC and multiple preset failures
Test point, electric brake power circuit breaker no-voltage release is connected with electric brake power circuit breaker；Multiple preset failure test points are with that can compile
Journey logic controller is connected；Programmable logic controller (PLC) is connected with electric brake power circuit breaker no-voltage release, FPGA control
Device processed detects whether multiple preset failure test points break down, when detection is broken down, PLC controls
Electric brake power circuit breaker no-voltage release is acted, and disconnects electric brake power circuit breaker, electric brake dead electricity band-type brake, master file motor are forced in time
Equipment is out of service, it is to avoid scaling loss occurs for master file motor device or weight glides and causes serious accident.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
A kind of structural representation for automatic power-off protection device that Fig. 1 provides for the utility model embodiment；
The power transfer relay operation principle schematic diagram that Fig. 2 provides for the utility model embodiment；
The programed interlocking control figure for the programmable logic controller (PLC) that Fig. 3 provides for the utility model embodiment；
A kind of structural representation for another embodiment of automatic power-off protection device that Fig. 4 provides for the utility model embodiment
Figure；
A kind of structural representation for another embodiment of automatic power-off protection device that Fig. 5 provides for the utility model embodiment
Figure；
The connection diagram for the electric brake switch increase automatic power-off protection device that Fig. 6 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to accompanying drawing 1, a kind of structural representation for automatic power-off protection device that Fig. 1 provides for the utility model embodiment
Figure.As shown in figure 1, the utility model embodiment discloses a kind of automatic power-off protection device, concrete structure includes：Electric brake power supply
Breaker no-voltage release 101, programmable logic controller (PLC) PLC102 and multiple preset failure test points 103, wherein：
Electric brake power circuit breaker no-voltage release 101 is connected with electric brake power circuit breaker 100；Multiple preset failure test points
103 are connected with programmable logic controller (PLC) 102；Programmable logic controller (PLC) 102 and electric brake power circuit breaker no-voltage release 101
It is connected, control electric brake power circuit breaker no-voltage release 101 is acted, and disconnects electric brake power circuit breaker 100.
In the present embodiment, it is necessary first to find out the trouble point for causing single motor operation one by one, such as：Trouble point can be
Breaker, contactor, brake and electric brake etc., the present embodiment increase electric brake power circuit breaker no-voltage release, are patrolled programmable
Collect by the preset failure test point interlocking of single motor operation in director demon, any one fault detecting point breaks down, can
The control electric brake power circuit breaker no-voltage release action of programmed logic controller output signal, forces electric brake dead electricity band-type brake, crane
Master file motor device is out of service.
Wherein, accompanying drawing 2, the power transfer relay operation principle schematic diagram that Fig. 2 provides for the utility model embodiment are referred to.
As shown in Fig. 2 programmable logic controller (PLC) includes power transfer relay KJ, when detecting that preset failure test point breaks down, therefore
Hinder relay KJ adhesives, power transfer relay auxiliary magnet KJ closures act electric brake power circuit breaker no-voltage release, disconnect electric brake
Power circuit breaker.
Specifically, Q61.7 is without output under normal condition, when M30.0-M31.2 failures arbitrarily have output, Q61.7 is defeated
Go out, KJ relay adhesives, KJ auxiliary magnets closure, no-voltage trip device action forces electric brake breaker power down, and electric brake dead electricity is embraced
Lock, master file motor is out of service.
Wherein, accompanying drawing 3, the program for the programmable logic controller (PLC) that accompanying drawing 3 provides for the utility model embodiment are referred to
Interlocked control figure.As shown in figure 3, preset failure test point includes：Electric brake power circuit breaker no-voltage release, electric brake electric power disconnection
The test point of the forward and reverse contactor of device, motor, brake and electric brake relevant action.
It is preferred that, programmable logic controller (PLC) is by the internal processes of programmable logic controller (PLC) to electric brake power circuit breaker
No-voltage release, electric brake power circuit breaker, motor positive and inverse contactor, the test point of brake and electric brake relevant action are carried out
Interlocking.
In the present embodiment, table 1 is defined as follows on programmable logic controller program trouble point：
The definition of the programmable logic controller program trouble point of table 1
Operation principle：When mounted, the forward and reverse contactor of electric brake power circuit breaker no-voltage release, motor, brake, electricity
Lock relevant action test point signal must access programmable logic controller (PLC), be joined by programmable logic controller (PLC) internal processes
Lock, could realize electric brake power supply automatic break function in single motor operation.
The utility model discloses a kind of automatic power-off protection device, the device includes：Electric brake power circuit breaker decompression takes off
Detain device, programmable logic controller (PLC) PLC and multiple preset failure test points, electric brake power circuit breaker no-voltage release and electric brake electricity
Source breaker is connected；Multiple preset failure test points are connected with programmable logic controller (PLC)；Programmable logic controller (PLC) and electric brake
Power circuit breaker no-voltage release is connected, and programmable logic controller (PLC) detects whether multiple preset failure test points break down,
When detection is broken down, the action of PLC controls electric brake power circuit breaker no-voltage release disconnects electric brake electricity
Source breaker, forces electric brake dead electricity band-type brake in time, and master file motor device is out of service, it is to avoid master file motor device occur scaling loss or
Weight glides and causes serious accident.
On the basis of above-described embodiment, accompanying drawing 4 is referred to, Fig. 4 is automatic for one kind that the utility model embodiment is provided
Another example structure schematic diagram of power-off protection apparatus.As shown in figure 4, the utility model embodiment provide automatically power off guarantor
Protection unit also includes：It is connected with multiple preset failure test points 103, carries out the accident warning device 104 of indicating fault.
Specifically, accident warning device 104 can be the warning devices such as buzzer or visual alarm.
The present embodiment is due to adding after this automatic safety device, and the contact of its band is more, for the ease of safeguarding people
Member is quickly found out trouble point, and multiple fault detecting points and corresponding accident warning device have been preset in a program, when appearance event
The trouble light color greening of institute's tape jam test point correspondence, trouble point can be quickly found when safeguarding according to trouble light state during barrier.
On the basis of above-described embodiment, accompanying drawing 5 is referred to, Fig. 5 is automatic for one kind that the utility model embodiment is provided
Another example structure schematic diagram of power-off protection apparatus.As shown in figure 5, the utility model embodiment provide automatically power off guarantor
Protection unit also includes：It is connected with programmable logic controller (PLC) 102, after Failure elimination, electric brake power circuit breaker is resetted
Fault reset switch 105.
The present embodiment on programmable logic controller (PLC) due to adding the failure reset resetted to electric brake power circuit breaker
Switch, when safeguarding must pending fault be disposed, to breaker power transmission, hoistman progress failure reset could continue work
Make.
For the utility model embodiment, specific embodiment refers to accompanying drawing 6, and Fig. 6 is that the utility model embodiment is carried
The connection diagram of the electric brake switch increase automatic power-off protection device of confession.As shown in fig. 6, on electric brake power supply relay Q171
The automatic power-off protection device of the utility model offer is added, the device includes：Electric brake power circuit breaker no-voltage release, can
Programmed logic controller PLC and multiple preset failure test points, electric brake power circuit breaker no-voltage release and electric brake electric power disconnection
Device is connected；Multiple preset failure test points are connected with programmable logic controller (PLC)；Programmable logic controller (PLC) breaks with electric brake power supply
Road device no-voltage release is connected, and programmable logic controller (PLC) detects whether multiple preset failure test points break down, and works as detection
When breaking down, the action of PLC controls electric brake power circuit breaker no-voltage release disconnects electric brake electric power disconnection
Device, forces electric brake dead electricity band-type brake in time, and master file motor device is out of service, it is to avoid master file motor device occurs under scaling loss or weight
Cunning causes serious accident.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation be all between difference with other embodiment, each embodiment identical similar part mutually referring to.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included, so that article or equipment including a series of key elements not only include those key elements, but also
Including other key elements being not expressly set out, or also include for this article or the intrinsic key element of equipment.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that including the article of above-mentioned key element
Or also there is other identical element in equipment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of automatic power-off protection device, it is characterised in that including：Electric brake power circuit breaker no-voltage release, programmable patrol
Controller PLC and multiple preset failure test points are collected, wherein：
The electric brake power circuit breaker no-voltage release is connected with electric brake power circuit breaker；
The multiple preset failure test point is connected with the programmable logic controller (PLC)；
The programmable logic controller (PLC) is connected with the electric brake power circuit breaker no-voltage release, controls the electric brake power supply to break
Road device no-voltage release action, disconnects the electric brake power circuit breaker.
2. automatic power-off protection device according to claim 1, it is characterised in that the programmable logic controller (PLC) bag
Include：Power transfer relay, when detecting that the preset failure test point breaks down, the power transfer relay adhesive, the failure
Relay auxiliary magnet is closed, and acts the electric brake power circuit breaker no-voltage release, disconnects the electric brake power circuit breaker.
3. automatic power-off protection device according to claim 1, it is characterised in that the preset failure test point includes：
The electric brake power circuit breaker no-voltage release, the electric brake power circuit breaker, the forward and reverse contactor of motor, brake and electricity
The test point of lock relevant action.
4. automatic power-off protection device according to claim 3, it is characterised in that the programmable logic controller (PLC) passes through
The internal processes of the programmable logic controller (PLC) are to the electric brake power circuit breaker no-voltage release, the electric brake electric power disconnection
Device, the motor positive and inverse contactor, the test point of the brake and the electric brake relevant action are interlocked.
5. automatic power-off protection device according to claim 1, it is characterised in that also include：
It is connected with the preset failure test point, carries out the accident warning device of indicating fault.
6. automatic power-off protection device according to claim 5, it is characterised in that the accident warning device is buzzing
Device.
7. automatic power-off protection device according to claim 5, it is characterised in that the accident warning device is light report
Alert device.
8. automatic power-off protection device according to claim 1, it is characterised in that also include：
It is connected with the programmable logic controller (PLC), after Failure elimination, the failure resetted to the electric brake power circuit breaker
Reset switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720405904.1U CN206619900U (en) | 2017-04-18 | 2017-04-18 | A kind of automatic power-off protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720405904.1U CN206619900U (en) | 2017-04-18 | 2017-04-18 | A kind of automatic power-off protection device |
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| Publication Number | Publication Date |
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| CN206619900U true CN206619900U (en) | 2017-11-07 |
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| CN201720405904.1U Active CN206619900U (en) | 2017-04-18 | 2017-04-18 | A kind of automatic power-off protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291796A (en) * | 2018-08-21 | 2019-02-01 | 中车大连机车车辆有限公司 | Control system and city rail vehicle for city rail vehicle |
-
2017
- 2017-04-18 CN CN201720405904.1U patent/CN206619900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291796A (en) * | 2018-08-21 | 2019-02-01 | 中车大连机车车辆有限公司 | Control system and city rail vehicle for city rail vehicle |
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