CN204588345U - A kind of small room control housing - Google Patents

Abstract

A small machine room control cabinet belongs to the technical field of elevator control cabinets. The utility model small machine room control cabinet includes a cabinet body, electrical components, and a wind guide cover. The electrical components include a safety circuit module, a control module, a frequency converter, a brake power supply, a switching power supply, a transformer, and a brake contactor arranged in the cabinet through a bottom plate. , sealing star contactor, main contactor, filter, grounding component and line row; in the space on one side of the cabinet, the safety circuit module, control module, brake power supply, transformer, brake contactor, sealing star contactor, main contactor; on the other side of the cabinet, the switching power supply, air guide cover, frequency converter, and filter are arranged in sequence from top to bottom; the grounding components include small-diameter grounding parts and large-diameter grounding parts, and Placed in the upper and lower parts of the cabinet; the line row is set in the lower part of the cabinet. The utility model reasonably arranges and wires the components in the cabinet, so that the strong and weak currents are separated to avoid signal interference, and at the same time, multiple heat dissipation parts are arranged to promote the effective heat dissipation of the control cabinet.

Description

A small machine room control cabinet

technical field

The utility model relates to the technical field of elevator control cabinets, in particular to a small machine room control cabinet.

Background technique

Usually each elevator has its own independent control system, and the carrier of the control system is the elevator control cabinet. Many existing elevator control cabinets are designed with cost control as the primary goal. The volume of the control cabinet is getting smaller and smaller. Although the cost is reduced, the relationship between the components in the control cabinet and the heat dissipation of the control cabinet are ignored, which affects the long-term control of the control cabinet. Stable work, reduce the service life of components.

Utility model content

The utility model aims at the deficiencies in the prior art, and provides a small machine room control cabinet with reasonable layout of components and parts in the cabinet, neat wiring and good heat dissipation effect.

The utility model provides a control cabinet for a small machine room, which includes a cabinet body, electrical components, and a wind guide cover. The electrical components include a safety circuit module, a control module, a frequency converter, a brake power supply, and a switching power supply arranged in the cabinet through a bottom plate. , transformers, brake contactors, star contactors, main contactors, filters, grounding components and line bars; the safety circuit module and the control module are arranged in sequence from top to bottom in the space on one side of the cabinet , the brake power supply, the transformer, the brake contactor, the star contactor, and the main contactor; the switching power supply, The wind guide cover, the frequency converter, and the filter; the grounding assembly includes a small-diameter grounding component and a large-diameter grounding component, and is placed separately in the upper and lower parts of the cabinet; the line row is set In the lower part of the cabinet.

The control cabinet of the small machine room is reasonably arranged according to the purpose of the components in the control cabinet, which is convenient for wiring, and the strong and weak currents are separated to avoid signal interference.

As a preference of the present invention, the electrical assembly further includes a braking resistor, and the braking resistor is arranged on the top outside of the cabinet through the heat reflection plate and the braking resistor bottom plate in sequence.

As a preference of the present utility model, the cabinet body includes a wire inlet at the bottom thereof, fixing components and heat dissipation openings on both side walls thereof, and wire slots between the electrical components inside.

As a preference of the present utility model, the fixing assembly includes a first fixing part arranged on the side wall of the cabinet body for fixing the prefabricated wire, and is arranged on the same side wall of the cabinet body as the first fixing part through a baffle for The second fixing part is used to fix the accompanying cable, and the third fixing part is arranged on the other side wall of the cabinet for fixing the encoder line.

As a preference of the present invention, the first fixing part is two fixing parts respectively arranged on the upper and lower sides of the heat dissipation opening, each of which is composed of a hollow part and a fixing part.

As a preference of the present utility model, the second fixing part is two fixing parts respectively arranged on the upper and lower sides of the baffle plate, each of which is composed of a hollow part and a fixing part.

As a preference of the present utility model, the wire groove includes a first wire groove arranged between the baffle plate and the safety circuit module, a second wire groove arranged between the safety circuit module and the control module, a A third wireway between the control module and the switching power supply.

As a preference of the present invention, the heat dissipation opening is arranged near the wind guide cover.

As a preference of the present invention, the control module, the switching power supply, the frequency converter and the brake power supply are arranged around the air guide cover.

As a preference of the present utility model, the small-diameter grounding part is a grounding copper bar; the large-wire grounding part is a grounding bar.

The utility model has the following beneficial effects:

The utility model small machine room control cabinet has a reasonable layout of components in the cabinet, reasonable and effective wiring, so that strong and weak currents are separated to avoid signal interference, and multiple heat dissipation parts are arranged to promote effective heat dissipation of the control cabinet, so as to improve the working efficiency and stability of the control cabinet.

Description of drawings

Fig. 1 is the three-dimensional structural diagram of the utility model small machine room control cabinet;

Fig. 2 is a layout diagram of components of the utility model small machine room control cabinet.

1-cabinet body; 101-baffle; 102-first fixing part; 103-second fixing part; 104-third fixing part; 105-radiation opening; -Second trunking; 109-Third trunking; 2-Safety circuit module; 3-Control module; 4-Switch power supply; 5-Brake power supply; 51-Brake contactor; 52-Star contactor; 53-Main contact 6-inverter; 7-transformer; 8-line row; 9-filter; 10a-grounding copper bar; 10b-grounding bar; 11-wind guide cover; 12-braking resistor.

Detailed ways

As shown in Figures 1 and 2, the small machine room control cabinet includes a cabinet body 1, electrical components, and an air guide cover 11. The electrical components include a safety circuit module 2, a control module 3, a frequency converter 6, a brake power supply 5, a switching power supply 4, a transformer 7, a brake contactor 51, a star contactor 52, and a main contactor arranged in the cabinet body 1. device 53, filter 9, grounding component and line bank 8. In order to reduce power supply interference, the safety loop module 2, control module 3, frequency converter 6, brake power supply 5, switching power supply 4, transformer 7, brake contactor 51, star contactor 52, main contactor 53, filter 9. Both the grounding component and the wire row 8 are arranged in the cabinet body 1 through the bottom plate. In order to make the wiring between various devices short and convenient, for example, the brake contactor 51 , the star-off contactor 52 and the main contactor 53 associated with the brake power supply 5 are placed on the same side of the cabinet body 1 . The specific arrangements are as follows: the space on the left side (or right side) of the cabinet body 1 is arranged sequentially from top to bottom with the safety circuit module 2, the control module 3, the brake power supply 5, the transformer 7, the The brake contactor 51, the star-blocking contactor 52, and the main contactor 53; and the switching power supply 4, the switching power supply 4, and the The wind guide cover 11, the frequency converter 6, and the filter 9. The grounding assembly includes small-diameter grounding components, such as grounding copper strips 10a, arranged in the upper part of the cabinet 1 and may be above the switching power supply 4, and large-diameter grounding components, such as grounding bars 10b, arranged In the lower part of the cabinet 1. The wire row 8 is arranged at the lower part of the cabinet body 1 . The electrical assembly also includes a braking resistor 12 arranged on the outer top of the cabinet 1 .

The cabinet body 1 includes a wire inlet 106, a fixing assembly for fixing the connecting wires and a wire slot for receiving the connecting wires. According to the layout settings of the above components, a reasonable and beautiful wiring design is carried out. The wire inlet 106 is arranged at the lower part of the cabinet body 1 and is a hollow part. The fixing assembly includes a first fixing member 102 arranged on the side wall of the cabinet body 1 for fixing the prefabricated wire, such as the main engine brake switch detection prefabricated wire, the pit intercom prefabricated wire, the external fire protection prefabricated wire, etc. The plate 101 is arranged on the same side wall of the cabinet body 1 as the first fixing member 102 for fixing the second fixing member 103 for accompanying cables, and is arranged on the other side wall of the cabinet body 1 for fixing the encoder line. Three fixing pieces 104 . Wherein, the first fixing member 102 is two fixing members respectively arranged on the upper and lower sides of the heat dissipation opening 105 and each of them is composed of a hollow part and a fixing part. The second fixing part 103 is divided into two parts on the upper and lower sides of the baffle 101 and each is composed of a hollow part and a fixing part. In this way, a plurality of prefabricated lines and accompanying cables can be neatly placed in the vertical direction of the cabinet body 1, and then the two fixing parts on the first fixing part 102 are fixed by fixing auxiliary parts such as cable ties, and the above-mentioned fixing auxiliary parts are used to fix the two fixing parts. Fix the two fixing parts on the second fixing part 103, wherein the hollow parts of the first fixing part 102 and the second fixing part 103 are used for connecting with external equipment cables, and the fixing parts can be iron buckles. Considering the weight of the cables, the second fixing member 103 needs to be arranged on the side wall of the cabinet body 1 through the baffle plate 101 . The third fixing member 104 is arranged on the opposite side of the first fixing member 102 or the second fixing member 103, that is, on the other side wall of the cabinet body 1, so that the third fixing member 104 is in contact with the outside of the cabinet body 1. The weak current devices are connected, while the first fixing part 102 and the second fixing part 103 are connected to the strong current part devices outside the cabinet 1, which reduces the influence between strong and weak currents and avoids signal interference. The third fixing part 104 can also be arranged like the structure of the first fixing part 102 and the second fixing part 103 . The trunking includes a first trunking 107 arranged between the baffle plate 101 and the safety circuit module 2, a second trunking 108 arranged between the safety circuit module 2 and the control module 3, and a second trunking 108 arranged between the safety circuit module 2 and the control module 3. The third trunking 109 between the control module 3 and the switching power supply 4 enables the cables to be stored in the trunking, which facilitates the overall layout to be neat and beautiful, which is convenient for staff to maintain, and prevents cables from being messed up and causing accidents between cables. Much electromagnetic interference.

Considering the heat dissipation problem of the cabinet, the utility model has made the following settings: as a preference, the braking resistor 12 is arranged on the top of the outer side of the cabinet 1 through the braking resistor bottom plate, in order to prevent the heat generated by the braking resistor 12 from entering the cabinet 1 If it is inside, add a heat reflection plate on the bottom plate of the braking resistor. As a preference, the heat generated at the frequency converter 6 is large, and the hot air flow needs to be guided upwards by using the air guide cover. The air guide cover can be a trapezoidal shell, and its inclined part is close to the middle of the cabinet body 1. , guide the hot air flow to the side wall of the cabinet body as much as possible, and at the same time, a heat dissipation opening 105 is provided on the side wall of the cabinet body 1, and the heat dissipation opening 105 is arranged near the wind guide cover 11, which can quickly dissipate heat and provide control Cabinet work stability. As a preference, heat dissipation openings 105 are provided on both side walls of the cabinet body 1. Due to the arrangement of components in the cabinet body 1, most of the heat energy is located in the middle of the cabinet body 1, and heat dissipation openings 105 are set in the middle of the two side walls of the cabinet body. In order to improve the efficiency, multiple rows of heat dissipation openings 105 can be further provided and each row is provided with a plurality of openings arranged at intervals.

The above-mentioned embodiments are only descriptions of preferred implementations of the present utility model, and are not intended to limit the concept and scope of the present utility model. Under the premise of not departing from the design concept of the present utility model, various modifications and improvements made by ordinary persons in the art to the technical solution of the present utility model should fall into the protection scope of the present utility model, and the technology claimed by the utility model The contents are all described in the claims. the

Claims (10)

1. A control cabinet for a small machine room, comprising a cabinet body (1), electrical components, and a wind guide cover (11), characterized in that the electrical components include a safety circuit module ( 2), control module (3), inverter (6), brake power supply (5), switching power supply (4), transformer (7), brake contactor (51), sealing star contactor (52), main contactor device (53), filter (9), grounding assembly and wire row (8); the safety circuit module (2), the control module (3), the brake power supply (5), the transformer (7), the brake contactor (51), the star-off contactor (52), and the main contactor (53); The space on the other side of the cabinet (1) is arranged sequentially from top to bottom with the switching power supply (4), the wind guide cover (11), the frequency converter (6), and the filter (9) ; The grounding assembly includes a small-diameter grounding component and a large-diameter grounding component, which are separately placed in the upper and lower parts of the cabinet (1); the line row (8) is arranged on the cabinet (1) inner lower part. 2. The small machine room control cabinet according to claim 1, characterized in that the electrical components also include a braking resistor (12), and the braking resistor (12) is arranged on the Cabinet body (1) outer top. 3. The small machine room control cabinet according to claim 1, characterized in that, the cabinet body (1) includes a wire inlet (106) at the bottom thereof, fixing components and heat dissipation openings ( 105), the trunking arranged between the electrical components inside. 4. The small machine room control cabinet according to claim 3, characterized in that, the fixing assembly includes a first fixing piece (102) arranged on a side wall of the cabinet body (1) for fixing the prefabricated wire, passing through the baffle plate (101) The second fixing part (103) arranged on the same side wall of the cabinet body (1) as the first fixing part (102) for fixing the accompanying cables, and the second fixing part (103) arranged on the other side wall of the cabinet body (1) The third fixture (104) for securing the encoder wires. 5. The small machine room control cabinet according to claim 4, characterized in that, the first fixing member (102) is divided into two sets on the upper and lower sides of the heat dissipation opening (105) and each consists of a hollow part and a fixing part composed of fixtures. 6. The small machine room control cabinet according to claim 4, characterized in that, the second fixing member (103) is divided into two sets on the upper and lower sides of the baffle (101) and each consists of a hollow part and a fixing part composed of fixtures. 7. The control cabinet of a small machine room according to claim 4, characterized in that, the wire slot includes a first wire slot (107) arranged between the baffle (101) and the safety circuit module (2), a set The second wire slot (108) between the safety loop module (2) and the control module (3), the third wire slot arranged between the control module (3) and the switching power supply (4) (109). 8. The control cabinet for a small machine room according to claim 3, characterized in that, the heat dissipation opening (105) is arranged near the air guide cover (11). 9. The small machine room control cabinet according to claim 1, characterized in that the control module (3), the switching power supply (4), the frequency converter (6) are arranged around the air guide cover (11) ) and the brake power supply (5). 10. The small machine room control cabinet according to claim 1, characterized in that, the small-diameter grounding component is a grounding copper strip (10a); the large-wire grounding component is a grounding bar (10b).