CN207293839U

CN207293839U - A kind of automatic disposal device of hydraulic elevator power failure

Info

Publication number: CN207293839U
Application number: CN201721332410.1U
Authority: CN
Inventors: 李顺贤
Original assignee: Sichuan Taisheng Hydraulic Elevator Manufacturing Co Ltd
Current assignee: Sichuan Di Ca Elevator Manufacturing Co ltd
Priority date: 2017-10-17
Filing date: 2017-10-17
Publication date: 2018-05-01
Anticipated expiration: 2027-10-17

Abstract

The utility model discloses a kind of automatic disposal device of hydraulic elevator power failure, the coil of total relay is connected with elevator controlling power supply；The coil of multiple floor relays forms floor control relay circuit with multiple flat bed travel switches；Total first normally-closed contact of relay, the normally-closed contact of multiple floor relays, the coil of downlink hydraulic electromagnetic switch valve form line control circuit under elevator；The normally opened contact and door machine of multiple floor relays form door machine control circuit；DC power supply of overcoming difficulties is connected with line control circuit and inverter under floor control relay circuit, elevator respectively, and inverter is connected with door machine control circuit.The utility model, which has the function of to detect power outage automatically, automatically controls lift car goes downwards to nearest level position and stops, automatically controlling a machine operation so as to opening elevator door, passenger is avoided because of accidental power failure and trapped security incident for a long time, and external rescue is not required, save the cost produced by rescue.

Description

A kind of automatic disposal device of hydraulic elevator power failure

Technical field

A kind of partial structurtes of hydraulic elevator are the utility model is related to, more particularly to a kind of power failure of hydraulic elevator is overcome difficulties automatically Device.

Background technology

Hydraulic elevator is the elevator by hydraulic-driven, and, by hydraulic power supply, oil pressure, which is entered oil cylinder, makes plunger make directly for it Line moves, and moves carriage indirectly directly or by steel wire rope.

Existing hydraulic elevator, if accidental power failure in the process of running, it will cause elevator is out of service, elevator door without The problem of method is voluntarily opened, the passenger in elevator can only be existed by alarm bell or Advise By Wire external staff, exterior staff The outer operation enforced opening elevator door of elevator is to realize rescue purpose.This tradition rescue mode is not only time-consuming and laborious, and needs More time is expended, passenger can produce the negative emotions such as fear, anxiety, be easy to cause the generation of secondary security incident.

Utility model content

The purpose of this utility model be that provide one kind to solve the above-mentioned problems can be automatic in accidental power failure The automatic disposal device of hydraulic elevator power failure of opening elevator door.

The utility model is achieved through the following technical solutions above-mentioned purpose：

The automatic disposal device of a kind of hydraulic elevator power failure, for automatically turning on elevator in elevator controlling power supply accidental power failure Door, the elevator door are controlled by door machine and opened and closed, and downlink hydraulic electromagnetic switch valve is used for the downlink for controlling the hydraulic elevator carriage State, the automatic disposal device of the hydraulic elevator power failure include overcome difficulties DC power supply, total relay, floor relay, flat bed row Cheng Kaiguan and inverter, the both ends of the both ends of the coil of total relay respectively with the elevator controlling power supply are connected；It is multiple One end of the coil of the floor relay and one end of multiple flat bed travel switches connect one to one, multiple buildings The other end of the coil of layer relay is connected with each other, and the other end of multiple flat bed travel switches is connected with each other, multiple described The coil of floor relay forms floor control relay circuit with multiple flat bed travel switches；The of total relay One normally-closed contact, the normally-closed contact of multiple floor relays, the downlink hydraulic electromagnetic switch valve coil between connect Connection forms line control circuit under elevator；The normally opened contact of multiple floor relays be connected in parallel with each other after again with the door Machine is connected in series to form a machine control circuit；The both ends of the DC power supply of overcoming difficulties respectively with the floor control relay circuit Both ends, the both ends of line control circuit are connected with two DC supply inputs of the inverter under the elevator, described inverse Become both ends of two ac power outputs of device respectively with the door machine control circuit to be connected；Multiple flat bed travel switches It is respectively arranged in the level position of multiple floors and for detecting whether the hydraulic elevator carriage reaches corresponding level position.

In said structure, DC power supply of overcoming difficulties provides power supply for this disposal device, the elevator carried originally with hydraulic electric appliance Control power supply separates；Total relay is used for the state for detecting elevator controlling power supply, once detecting power failure, then total relay will Action, and the power supply of downlink hydraulic electromagnetic switch valve is controlled using the change realization of its normally-closed contact；Floor relay is with putting down Layer travel switch is used cooperatively, and whether is reached level position for detecting lift car and is triggered corresponding carriage control function, To realize that carriage goes downwards to level position, out of service and startup door machine with the function of opening elevator door；Inverter is used for will solution Tired DC power supply is converted to alternating current, is used for door machine, is opened so as to not be further added by the interim of other AC power or elevator door Opening device.

For the ease of for understanding power down mode, the automatic disposal device of the hydraulic elevator power failure further includes power failure instruction Lamp, the second normally-closed contact of the power failure indicator and total relay is connected in series to form power failure indicating circuit, described to stop Both ends of the both ends of electric indicating circuit respectively with the DC power supply of overcoming difficulties are connected.

The beneficial effects of the utility model are：

The utility model by setting line control circuit and door machine control circuit under floor control relay circuit, elevator, And efficient association will be carried out between each circuit, automatic detection power outage is made it have, lift car is automatically controlled and goes downwards to most Nearly level position simultaneously stops, automatically controlling a machine operation so as to the function of opening elevator door, realizes sedan-chair after elevator accidental power failure Railway carriage or compartment automatic running is to nearest level position and automatically turns on the purpose of elevator door, and passenger can come out from carriage, avoid in time The bad mentals such as passenger's fear, worry and the security incident produced stranded for a long time, and external rescue is not required, saved because The cost rescued and produced.

Brief description of the drawings

Fig. 1 is the electrical block diagram of total relay described in the utility model and elevator controlling power supply；

Fig. 2 is the electrical block diagram of the automatic disposal device of hydraulic elevator power failure described in the utility model.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings：

As depicted in figs. 1 and 2, hydraulic elevator described in the utility model has a power failure automatic disposal device in elevator controlling electricity Source DC1（And DC power supply）Accidental power failure（The power supply behind commercial power rectification generally by providing, so can be led if mains failure Cause to have a power failure, if stand-by power supply can not enable in time, can cause to have a power failure for a long time）When automatically turn on elevator door（In figure not Show）, the elevator door is by door machine M control keyings, downlink hydraulic electromagnetic switch valve YV（It is one of conventional components of hydraulic elevator） For controlling the hydraulic elevator carriage（Do not show in figure）Downstream state, the hydraulic elevator automatic disposal device that has a power failure includes Overcome difficulties DC power supply DC2, total relay K, floor relay KP, flat bed travel switch SQ, power failure indicator HL and inverter UI, Floor relay KP is n and is respectively labeled as KP1 ... KPn-1, KPn, and flat bed travel switch SQ is n and is respectively labeled as SQ1 ... SQn-1, SQn, the both ends of the both ends of the coil of total relay K respectively with elevator controlling power supply DC1 are connected；N floor after Electric appliance KP1 ... KPn-1, one end of coil of KPn and one end of n flat bed travel switch SQ1 ... SQn-1, SQn correspond and connect Connect, n floor relay KP1 ... KPn-1, KPn coil the other end be connected with each other, n flat bed travel switch SQ1 ... SQn- 1st, the other end of SQn is connected with each other, n floor relay KP1 ... KPn-1, the coil of KPn and n flat bed travel switch SQ1 ... SQn-1, SQn form floor control relay circuit；The first normally-closed contact K ', the n floor relay KP1 ... of total relay K The normally-closed contact KP1 ' ... KPn-1 ' of KPn-1, KPn, KPn ', downlink hydraulic electromagnetic switch valve YV coil between be connected in series shape Line control circuit under into elevator；N floor relay KP1 ... KPn-1, normally opened contact KP1 " ... KPn-1 ", the KPn " of KPn are mutual After being connected in parallel a machine control circuit is connected in series to form with door machine M again；The second of power failure indicator HL and total relay K is normally closed Contact K " is connected in series to form power failure indicating circuit；Overcome difficulties DC power supply DC2 both ends respectively with the floor relay control Both ends of line control circuit under the both ends of circuit, the elevator, two of the both ends of the power failure indicating circuit and inverter UI DC supply input connects, and two ac power outputs of inverter UI connect with the both ends of the door machine control circuit respectively Connect；N flat bed travel switch SQ1 ... SQn-1, SQn are respectively arranged in the level position of n floor and for detecting the hydraulic pressure Whether lift car reaches corresponding level position.

As depicted in figs. 1 and 2, the operation principle of the automatic disposal device of hydraulic elevator power failure described in the utility model is as follows：

During normal work, elevator controlling power supply DC1 has power supply output, the coil of total relay K obtain it is electric, total relay K's First normally-closed contact K ' and the second normally-closed contact K " are disconnected, the floor control relay circuit and the power failure indicating circuit Disconnect, only have carriage to arrive in n flat bed travel switch SQ1 ... SQn-1, SQn and n floor relay KP1 ... KPn-1, KPn Corresponding flat bed travel switch can be connected with floor relay during up to some flat bed；Downlink hydraulic electromagnetic switch valve YV is disconnected, n A floor relay KP1 ... KPn-1, KPn normally-closed contact KP1 ' ... KPn-1 ', KPn ' in only carriage reach some flat bed When corresponding normally-closed contact disconnect, other all close；N floor relay KP1 ... KPn-1, the normally opened contact KP1 " ... of KPn Corresponding normally opened contact closure, others all disconnect when only having carriage to reach some flat bed in KPn-1 ", KPn "；It is normal herein Under working status, power failure indicator HL does not work, downlink hydraulic electromagnetic switch valve YV from this disposal device control（I.e. in this electricity It is off in road）, door machine M only opens when carriage reaches some flat bed.

During elevator controlling power supply DC1 accidental power failures, lift car is in some non-level position（Carriage is firm during accidental power failure Benefit is in the possibility very little of level position, if it does, then door machine M at this time can run simultaneously opening elevator door, Bu Huizao Into accident）, elevator controlling power supply DC1 do not have power supply output, and the coil losing electricity of total relay K disconnects, and the first of total relay K is normal Closed contact K ' and the second normally-closed contact K " are closed, and the floor control relay circuit and the power failure indicating circuit close Closing, power failure indicator HL lights, n flat bed travel switch SQ1 ... SQn-1, SQn and n floor relay KP1 ... KPn-1, KPn is disconnected；N floor relay KP1 ... KPn-1, normally-closed contact KP1 ' ... KPn-1 ', the KPn ' of KPn are closed, n building Layer relay KP1 ... KPn-1, normally opened contact KP1 " ... KPn-1 ", the KPn " of KPn are disconnected, and downlink hydraulic electromagnetic switchs at this time Valve YV can power on, and continue traveling downwardly lift car, and door machine M is disconnected, and elevator door is closed；When carriage goes downwards to nearest flat bed Behind position, corresponding flat bed travel switch SQ is connected with floor relay KP, the normally-closed contact KP ' of corresponding floor relay KP Disconnect, make the coil deenergization of downlink hydraulic electromagnetic switch valve YV, lift car stops downlink；At the same time, corresponding building Normally opened contact KP " the closures of layer relay KP, connect the power supply of door machine M, open elevator door, passenger can go out safely in time Come.

Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model System, as long as the technical solution that can be realized without creative work on the basis of above-described embodiment, is regarded as falling into In the rights protection scope of the utility model patent.

Claims

The automatic disposal device 1. a kind of hydraulic elevator has a power failure, for automatically turning on elevator in elevator controlling power supply accidental power failure Door, the elevator door are controlled by door machine and opened and closed, and downlink hydraulic electromagnetic switch valve is used for the downlink for controlling the hydraulic elevator carriage State, it is characterised in that：The hydraulic elevator have a power failure automatic disposal device include overcoming difficulties DC power supply, total relay, floor after Electric appliance, flat bed travel switch and inverter, the both ends of the coil of total relay respectively with the elevator controlling power supply two End connection；One end of the coil of multiple floor relays and one end of multiple flat bed travel switches correspond and connect Connect, the other end of the coil of multiple floor relays is connected with each other, and the other end of multiple flat bed travel switches is mutual Connection, the coil of multiple floor relays form floor control relay circuit with multiple flat bed travel switches；Institute State the first normally-closed contact of total relay, the normally-closed contact of multiple floor relays, the downlink hydraulic electromagnetic switch valve Coil between be connected in series to form line control circuit under elevator；The normally opened contact company parallel with one another of multiple floor relays After connecing a machine control circuit is connected in series to form with the door machine again；The both ends of the DC power supply of overcoming difficulties respectively with the floor Two DC supply inputs of the both ends of line control circuit and the inverter under the both ends of control relay circuit, the elevator End connection, the both ends of two ac power outputs of the inverter respectively with the door machine control circuit are connected；Multiple institutes State flat bed travel switch and be respectively arranged in the level position of multiple floors and for detecting whether the hydraulic elevator carriage reaches Corresponding level position.
The automatic disposal device 2. hydraulic elevator according to claim 1 has a power failure, it is characterised in that：The hydraulic elevator has a power failure Automatic disposal device further includes power failure indicator, and the power failure indicator is connected company with the second normally-closed contact of the always relay Connect to form power failure indicating circuit, the both ends of the both ends of the power failure indicating circuit respectively with the DC power supply of overcoming difficulties are connected.