CN206531235U - A kind of central air-conditioning switch board of rational deployment - Google Patents

Abstract

The utility model discloses a kind of central air-conditioning switch board of rational deployment, by upper strata cabinet from top to bottom, middle level cabinet and lower floor's cabinet composition, provided with electromagnetic shielding dividing plate between each layer cabinet, PLC is provided with the upper strata cabinet, the vulnerabilities scan such as temperature controller equipment and breaker, auxiliary reclay or other Switch components and weak electric signal binding post, frequency converter is provided with the cabinet of middle level, current transformer, other heavy current installations such as reactor and forceful electric power binding post, other electrical equipments are provided with lower floor's cabinet, the roof of switch board is provided with radiator fan, the bottom wall of switch board is provided with thermal vias, the upper strata cabinet, it is respectively equipped with wiring hole to connect power supply on rear side of middle level cabinet and lower floor's cabinet, lower part box bottom sets ground connection busbar, by the way that strong power part and weak current part are arranged in a regulator cubicle and different regions are separated in, space can be saved, equipment mounting arrangement is reasonable, wiring neatly facilitates, beneficial to management and maintenance, it is safe and reliable.

Description

A central air-conditioning control cabinet with reasonable layout

technical field

The utility model relates to a central air-conditioning control cabinet, in particular to a central air-conditioning control cabinet with a reasonable layout.

Background technique

Because the frequency converter is often designed in the central air-conditioning control cabinet, the frequency converter brings convenience to the AC speed regulation, but also brings electromagnetic interference. In the existing technology, in order to avoid the electromagnetic interference caused by the frequency converter to the PLC, the PLC and the frequency converter are separated Installed in separate control cabinets, the signal connection between the two cabinets is realized through the cables between the cabinets, that is, a control system needs at least two cabinets, one inverter cabinet and one PLC cabinet, resulting in high cost of the control cabinet , The site occupies a large space and the site installation workload is large, and there are generally unreasonable installation locations of electrical components during installation, resulting in messy wiring, which seriously affects management.

Utility model content

In order to solve the above problems, the utility model provides a central air-conditioning control cabinet with a reasonable layout.

In order to achieve the above object, the technical solution adopted by the utility model is:

A central air-conditioning control cabinet with a reasonable layout. The control cabinet is composed of an upper cabinet, a middle cabinet and a lower cabinet arranged in sequence from top to bottom. Electromagnetic shielding partitions are provided between the cabinets. The upper cabinet From top to bottom, the body is equipped with PLC, thermostat and other weak current control equipment, circuit breakers, intermediate relays or other switching components, and weak current signal terminals. The middle cabinet is equipped with frequency converters, current transformers, and reactors. Other strong electric equipment and strong electric terminals, the lower cabinet is equipped with other electrical components, the top wall of the control cabinet is equipped with a cooling fan, the bottom wall of the control cabinet is provided with cooling through holes, the upper cabinet, the middle Wiring holes are provided on the rear side of the cabinet body and the lower cabinet body to connect to the power supply, and the grounding busbar is provided at the bottom of the lower cabinet body.

Preferably, the top of the control cabinet is provided with a compartment isolated from the upper cabinet, the top wall of the compartment is the top wall of the control cabinet, and the top wall of the compartment is provided with two A heat dissipation fan installation hole, the heat dissipation fan is fixedly installed at the installation hole.

Preferably, the height of the control cabinet is 2100mm, and the height of the compartment is 80mm.

Preferably, a file storage box is welded on the back of the control cabinet.

Preferably, the upper cabinet body, the middle cabinet body and the lower cabinet body are respectively provided with independent cabinet doors, and the cabinet doors are provided with door locks.

The beneficial effects of the utility model are:

The utility model is composed of an upper cabinet, a middle cabinet and a lower cabinet from top to bottom through the control cabinet. Electromagnetic shielding partitions are arranged between the cabinets of each layer. PLC and temperature controllers are installed in the upper cabinet. Such as weak current control equipment and circuit breakers, intermediate relays or other switching components and weak current signal terminals, the middle cabinet is equipped with frequency converters, current transformers, reactors and other strong current equipment and strong current terminals, and the lower cabinet is equipped with There are other electrical components, the top wall of the control cabinet is equipped with a cooling fan, the bottom wall of the control cabinet is provided with cooling holes, and the upper cabinet, the middle cabinet and the rear of the lower cabinet are respectively equipped with wiring holes to connect the power supply. , the bottom of the lower box is equipped with a grounding busbar. By setting the strong current part and the weak current part in an electrical cabinet and separating them in different areas, space can be saved. The equipment installation layout is reasonable, the wiring is neat and convenient, it is convenient for management and maintenance, and it is safe and reliable. .

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model . In the attached picture:

Fig. 1 is a structural diagram of a central air-conditioning control cabinet with a reasonable layout of the utility model;

Fig. 2 is a structure diagram of another angle of a central air-conditioning control cabinet with a rational layout of the present invention.

detailed description

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer and clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1 to 2, a central air-conditioning control cabinet with a reasonable layout, the control cabinet 100 is composed of an upper cabinet 10, a middle cabinet 20 and a lower cabinet 30 arranged in sequence from top to bottom, each cabinet Electromagnetic shielding partitions (not shown) are arranged between them, and the upper cabinet body 10 is equipped with PLC, thermostat and other weak current control equipment, circuit breakers, intermediate relays or other switching components and weak current control devices from top to bottom. Signal terminals, the middle cabinet 20 is provided with frequency converters, current transformers, reactors and other strong current equipment and strong current terminals, the lower cabinet 30 is provided with other electrical components, the top wall of the control cabinet A heat dissipation fan 50 is installed, and the bottom wall of the control cabinet is provided with heat dissipation through holes, and the rear sides of the upper cabinet body 10, the middle cabinet body 20 and the lower cabinet body 30 are respectively provided with wiring holes to connect the power supply, and the bottom of the lower cabinet body is provided with grounding busbar.

In this embodiment, the top of the control cabinet 100 is provided with a partition 40 that is isolated from the upper cabinet body 10, and the top wall 41 of the partition 40 is the top wall of the control cabinet. The top wall 41 of the layer 40 is provided with two heat dissipation fan installation holes 42 , and the heat dissipation fan 50 is fixedly installed in the installation holes 42 .

In this embodiment, the height of the control cabinet 100 is 2100 mm, and the height of the partition 40 is 80 mm.

In this embodiment, a file storage box (not shown) is welded on the back of the control cabinet 100 .

In this embodiment, the upper cabinet body 10 , the middle cabinet body 20 and the lower cabinet body 30 are respectively provided with independent cabinet doors (not shown), and the cabinet doors are provided with door locks.

The above description shows and describes the preferred embodiments of the present utility model. As mentioned above, it should be understood that the present utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various Various other combinations, modifications and environments can be made within the scope of the utility model concept described herein, through the above teachings or the technology or knowledge in the related field. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, and should all be within the protection scope of the appended claims of the utility model.

Claims (5)

1. a kind of central air-conditioning switch board of rational deployment, it is characterised in that switch board is by the upper strata that sets gradually from top to bottom Provided with electromagnetic shielding dividing plate between cabinet, middle level cabinet and lower floor's cabinet composition, each layer cabinet, from up in the upper strata cabinet It is arranged with PLC, temperature controller and breaker, auxiliary reclay and weak electric signal binding post, the middle level cabinet and sets Have and electrical equipment, switch board are provided with frequency converter, current transformer, reactor and forceful electric power binding post, lower floor's cabinet Roof radiator fan is installed, the bottom wall of switch board is provided with thermal vias, the upper strata cabinet, middle level cabinet and lower floor's cabinet Rear side is respectively equipped with wiring hole to connect power supply, and lower part box bottom sets ground connection busbar.

2. the central air-conditioning switch board of a kind of rational deployment according to claim 1, it is characterised in that the switch board Top is provided with the interlayer that setting is isolated with the upper strata cabinet, and the roof of the interlayer is the roof of the switch board, described The roof of interlayer is provided with two radiator fan mounting holes, and the radiator fan is fixedly installed at the mounting hole.

3. the central air-conditioning switch board of a kind of rational deployment according to claim 2, it is characterised in that the switch board is high 2100mm, the high 80mm of interlayer.

4. a kind of central air-conditioning switch board of rational deployment according to claim 1, it is characterised in that the switch board back of the body Face is welded with file storage box.

5. a kind of central air-conditioning switch board of rational deployment according to claim 1, it is characterised in that the upper strata cabinet Body, middle level cabinet and lower floor's cabinet are respectively equipped with independent cabinet door, and the cabinet door is provided with door lock.