CN201729550U

CN201729550U - Elevator control cabinet

Info

Publication number: CN201729550U
Application number: CN2010202415143U
Authority: CN
Inventors: 林龙; 陈伟林; 陈建钢
Original assignee: ZHEJIANG OMLON ELEVATOR CO Ltd
Current assignee: ZHEJIANG OMLON ELEVATOR CO Ltd
Priority date: 2010-06-25
Filing date: 2010-06-25
Publication date: 2011-02-02
Anticipated expiration: 2020-06-25

Abstract

The utility model relates to an elevator control cabinet which comprises a cabinet body made of metal; the cabinet body is divided into three cavities including a front cavity, a rear cavity and an upper cavity by clapboards which are steel plates; a top wall, a side wall and a back cover plate of the cabinet body are provided with a plurality of heat dissipation holes; the front of the cabinet body is provided with a door body; the upper cavity is positioned above the front cavity and the rear cavity; the upper cavity is internally provided with a brake resistor; the front cavity is internally provided with a master control board and a weak current control part; and the rear cavity is internally provided with a frequency changer, a contactor, a transformer and a strong current control part. The technical scheme is good in heat dissipation effect and is reasonable in distribution so as to avoid the electromagnetic interference among all the parts, thus guaranteeing the normal work and the service life of the parts in the cabinet, and improving the reliability and the service life of a whole elevator control system.

Description

Elevator control cabinet

Technical field

The utility model relates to the elevator technology field, relates in particular to a kind of elevator control cabinet.

Background technology

Elevator is a kind of electromechanical integrated product, and control system directly influences the safety of elevator as elevator brain nervous centralis.In actual applications, the electromagnetic radiation that frequency converter, voltage transformer and heavy-current control parts in the control housing can produce stronger high order harmonic, can produce electromagnetic interference to the weak electric signal of master control board and the transmission of light current function unit, directly affect the stability of apparatus for controlling elevator, even cause the confusion of control system to cause the flase drop of control signal to go out and misoperation.

Summary of the invention

In order to solve above-mentioned technical matters, the purpose of this utility model provides a kind of elevator control cabinet, has better heat radiating effect, and rational deployment is avoided the electromagnetic interference between each parts, thereby each parts working properly and service life in the assurance cabinet, the reliability and the service life of improving whole apparatus for controlling elevator.

To achieve the above object, the utility model has adopted following technical scheme:

A kind of elevator control cabinet, comprise metal cabinet, described cabinet is separated into preceding cavity, rear chamber and three cavitys of upper cavity by dividing plate, described dividing plate is a steel plate, the roof of described cabinet, sidewall and behind cover plate are provided with some louvres, described cabinet front is provided with a body, the top of cavity and rear chamber before described upper cavity is positioned at, braking resistor is set in the upper cavity, in the cavity master control board and light current control part are set before described, frequency converter, contactless switch, voltage transformer and heavy-current control part are set in the described rear chamber.

The cabinet of control housing is divided into the cavity of three individual screen, with high heat generation function unit---braking resistor is fixed in independently upper cavity, and it is further external with the heat discharge side that high-power radiator fan is set, in actual applications, high heat generating components can produce certain radiated interference to control system, and good heat radiation can reduce interference equally; Preceding cavity is arranged master control board, circuit circuit board and light current control part, make the function unit (as master control board) of empty calory components and parts and easy temperature influence be in independence and relative sealed space fully, create a good working environment for control system, played effect heat insulation and that shielding is disturbed; Frequency converter, voltage transformer, contactless switch, Switching Power Supply, phase sequence relays etc. self produce the interfering signal parts and the conductively-closed of heavy-current control parts is arranged in the rear chamber, their electromagnetic interference have been avoided to function unit in the preceding cavity, and become the cellular heat delivery surface of cavity that is in left side, right side, the back hollow out of rear chamber, the heat of being used to ventilate and volatilize low heat generation parts.

As preferably, the cabinet wall at the left side of described upper cavity, right side and top is the hollow out heat delivery surface, and the upper cavity bottom is provided with braking resistor, and the upper cavity top is provided with radiator fan.Can farthest efflux a large amount of heats that the heat generation function unit produces like this.

As preferably, be arranged with magnet ring on the power line in the heavy-current control part in the described rear chamber.Can reduce in the rear chamber phase mutual interference between each parts like this and to extraneous electromagnetic radiation.

As preferably, be provided with in the cavity before described control housing integrated and connect the circuit circuit board of the circuit of elevator hoistways, car, machine room line Connector Clip.So not only removed mixed and disorderly Connector Clip circuit, saved the making of Connector Clip, and be more conducive to install.

As preferably, described before the cavity upper baffle plate arrange the function panel and the control button of frequency converter, cavity middle part before master control board places, its below is a circuit breaker, preceding cavity bottom is provided with the circuit circuit board.

As preferably, frequency converter, frequency converter arranged beneath contactless switch, phase sequence relay, Switching Power Supply, lower disposed frequency division card, rectifier bridge and the voltage transformer of described rear chamber are installed by the frequency converter support in described rear chamber top.

As preferably, described door body is made of aluminum alloy framework and case hardened glass door-plate.

The utility model is owing to adopted above technical scheme, the function unit that is subject to the interfering signal influence is arranged in the preceding cavity independent and closed shield relatively, high heat generating components is arranged in the upper cavity (high heat also can produce interfering signal), self can produce sheathed magnet ring on the cable of arrangements of components in rear chamber and in rear chamber of interfering signal, and adopt good heat dissipation design, effectively strengthen the antijamming capability of elevator control cabinet, improved the reliability and the service life of whole apparatus for controlling elevator.

Description of drawings

Fig. 1 is the Facad structure scheme drawing of embodiment 1;

Fig. 2 is the structure scheme drawing of embodiment 1;

Fig. 3 is the lateral plan of embodiment 1;

Wherein, 1 is radiator fan; 2 is braking resistor; 3 is control button; 4 is cabinet; 5 is frequency converter; 6 is wire casing; 7 is master control board; 8 is circuit breaker; 9 is terminal; 10 is the circuit circuit board; 11 is the aluminum alloy framework; 12 is the case hardened glass door-plate; 14 is wire casing; 15 is the frequency division card; 16 is voltage transformer; 17 is terminal; 18 is rectifier bridge; 19 is contactless switch; 20 is phase sequence relay; 21 is Switching Power Supply; 22 is the frequency converter support; 23 is dividing plate.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is made a detailed explanation.

Embodiment 1:

As Fig. 1, Fig. 2, a kind of elevator control cabinet shown in Figure 3, comprise cabinet 4 and door body, described cabinet 4 is separated into independently cavity of three of preceding cavity, rear chamber and upper cavities by dividing plate 23, the roof of described cabinet, sidewall and behind cover plate are the heat delivery surface with hollow out louvre, the front side of described cabinet 4 articulates the door body, described door body is made of aluminum alloy framework 11 and case hardened glass door-plate 12, and described dividing plate 23 is a steel plate; The top of cavity and rear chamber before upper cavity is positioned at, the upper cavity bottom is provided with high heat generating components---braking resistor 2, the cabinet wall hollow out at the left side of upper cavity, right side and top becomes cellular heat delivery surface, and fix high-power radiator fan at the upper cavity top heat is up discharged, farthest effluxed a large amount of heats that the heat generation function unit produces; In the cavity master control board, circuit circuit board and light current control part are set before described, frequency converter, contactless switch, voltage transformer and high potential control part are set in the described rear chamber; As shown in Figure 1, before described hollow out place, cavity top arrange frequency converter 5 function panels and suddenly stop, up, descending, normal/control buttons 3 such as maintenance are so that feature operation, cavity middle part before master control board 7 places, its below for circuit breaker 8, switch, safeguard that short circuit is with terminal 9 and Three-hole socket, preceding cavity lower disposed circuit circuit board 10, this circuit circuit board is integrated, and control housing connects the circuit of elevator hoistways, car, machine room line Connector Clip, not only removed mixed and disorderly Connector Clip circuit, saved the making of Connector Clip, and be more conducive to install; As shown in Figure 2, frequency converter 5 is installed by frequency converter support 22 in described rear chamber top, frequency converter 5 arranged beneath contactless switchs 19 (comprising output contactless switch, input contactless switch, envelope star contactor, band-type brake contactless switch), phase sequence relay 20, Switching Power Supply 21, lower disposed frequency division card 15, terminal 17, rectifier bridge 18 and the voltage transformer 16 of described rear chamber; Parts in the described preceding cavity are connected by the electric wire that passes

wire casing

6,14 with the parts in the rear chamber; And the cover magnet ring is to reduce electromagnetic radiation and interference on the power line in the rear chamber.

The utility model has improved the integrated level of control housing, has reduced the overall space of control housing, has optimized the wiring technology of control housing, has reduced the number of electrical lines of control housing, has improved radiating effect, has stopped the interference problem of control system.

Above-mentioned only is preferred embodiment of the present utility model; be not to be used to limit protection domain of the present utility model; those skilled in the art can be under the prerequisite that does not break away from design of the present utility model and spirit; carry out various modifications in the specific implementation, these modifications all fall within the protection domain of the present utility model.

Claims

1. elevator control cabinet, comprise metal cabinet (4), it is characterized in that, described cabinet (4) is separated into preceding cavity by dividing plate (23), three cavitys of rear chamber and upper cavity, described dividing plate is a steel plate, the roof of described cabinet, sidewall and behind cover plate are provided with some louvres, described cabinet front is provided with a body, the top of cavity and rear chamber before described upper cavity is positioned at, braking resistor (2) is set in the upper cavity, in the cavity master control board (7) and light current control part are set before described, frequency converter (5) is set in the described rear chamber, contactless switch (19), voltage transformer (16) and heavy-current control part.

2. a kind of elevator control cabinet according to claim 1 is characterized in that, the cabinet wall at the left side of described upper cavity, right side and top is the hollow out heat delivery surface, and the upper cavity bottom is provided with braking resistor (2), and the upper cavity top is provided with radiator fan (1).

3. a kind of elevator control cabinet according to claim 1 is characterized in that, is arranged with magnet ring on the power line in the heavy-current control part in the described rear chamber.

4. a kind of elevator control cabinet according to claim 1 is characterized in that, is provided with in the cavity before described control housing integrated and connects the circuit circuit board (10) of the circuit of elevator hoistways, car, machine room line Connector Clip.

5. a kind of elevator control cabinet according to claim 1, it is characterized in that described preceding cavity upper baffle plate is arranged the function panel and the control button (3) of frequency converter (5), cavity middle part before master control board (7) places, its below is circuit breaker (8), and preceding cavity bottom is provided with circuit circuit board (10).

6. a kind of elevator control cabinet according to claim 1, it is characterized in that, frequency converter (5) is installed by frequency converter support (22) in described rear chamber top, frequency converter (5) arranged beneath contactless switch (19), phase sequence relay (20), Switching Power Supply (21), the lower disposed frequency division card (15) of described rear chamber, rectifier bridge (18) and voltage transformer (16).

7. according to each described a kind of elevator control cabinet in the claim 1 to 6, it is characterized in that described door body is made of aluminum alloy framework (11) and case hardened glass door-plate (12).