CN208112051U - An improved electric control cabinet - Google Patents

Abstract

The utility model relates to an automatically controlled cabinet of improvement formula, air intake and air outlet have been seted up to this automatically controlled cabinet's back shroud, at air intake installation refrigeration fan, it is internal that the refrigeration fan makes the air under the normal atmospheric temperature the relatively low heat dissipation air entering cabinet of temperature, this heat dissipation air can get into each electric device at the installing zone through the through-hole of mounting panel, it dispels the heat more effectually to each electric device, fan air intake and the fan air outlet at the refrigeration fan are equipped with dust cover and filter screen respectively, thereby guarantee the cleanliness factor of the heat dissipation air who gets into the cabinet body through two-layer dustproof measure, thereby avoid the dust to get into the performance that the cabinet body influences each electric device. In addition, the aperture of the air inlet of the cabinet body is gradually increased from the heat dissipation area to the atmosphere, so that the flow of air in the atmosphere entering the refrigerating fan is increased, and the heat dissipation effect of the refrigerating fan is improved.

Description

An improved electric control cabinet

technical field

The utility model relates to an electric control cabinet.

Background technique

Usually, the electrical components with high heat generation are installed in the electric control cabinet. If the heat dissipation in the cabinet is not good, it is easy to cause the function failure of the electrical components, shorten the life of the electrical components, and even burn the electrical components; and the air in the electric control cabinet Purification is also an important factor affecting the normal use of electrical components. If the dust accumulates too much, it is prone to short circuit and leakage accidents. Generally, the poor heat dissipation of the electric control cabinet is often caused by the poor air flow in the cabinet. For example, in places where large-scale use of high-power frequency converters is used, the heat dissipation of the frequency converter electric control cabinet must be a key consideration. Once the frequency converter is damaged due to poor heat dissipation, not only the price of replacing a frequency converter is high, but the production The loss of line stop is higher. However, the usual electric control cabinets generally exhaust and dissipate heat through cooling holes, lacking active cooling equipment, especially in high-temperature environments, the heat generated in the cabinet increases, and there are unsafe factors.

Contents of the invention

The purpose of the utility model is to provide a safe and reliable electric control cabinet with good heat dissipation and dustproof effects.

The utility model provides an improved electric control cabinet, which includes a cabinet body, a front cover plate and a rear cover plate, and the front cover plate and the rear cover plate are respectively rotated and connected to the cabinet body. The internal interval is the installation area and the heat dissipation area. The installation plate is provided with through holes, and the rear cover is provided with an air inlet connected to the heat dissipation area. Along the end of the air inlet near the installation plate to the end of the air inlet away from the installation plate, the aperture Gradually increasing, the rear cover or/and the cabinet is equipped with a cooling fan located in the heat dissipation area, the cooling fan is used to draw the outside air into the cabinet through the air inlet, and the rear cover or/and the cabinet is provided for covering The dustproof cover of the air inlet, the air outlet of the refrigeration fan is provided with a filter screen; the rear cover is also provided with a louver air outlet.

Wherein, it also includes a processor and a temperature sensor for detecting the temperature inside the cabinet, and the processor is respectively connected to the temperature sensor and the cooling fan.

Wherein, the cooling fan is a frequency conversion fan.

Wherein, the front cover is provided with a display screen, a button area and an operation table, and the processor is respectively connected with the display screen, the button area and the operation table.

Wherein, the operating platform is rotatably installed on the front cover.

Wherein, a transparent baffle is also included, and the transparent baffle is hingedly installed on the front cover.

Wherein, several lifting lugs are installed on the top surface of the cabinet.

Wherein, the air inlet is trumpet-shaped.

The beneficial effects of the utility model are: the rear cover of the electric control cabinet is provided with an air inlet and an air outlet, and a cooling fan is installed at the air inlet, and the cooling fan makes the air at normal temperature into relatively low-temperature heat-dissipating air and enters the cabinet. The radiating air can enter the electrical components in the installation area through the through holes of the mounting plate, and more effectively dissipate the heat of the electrical components. The fan air inlet and fan outlet of the cooling fan are respectively equipped with a dust cover and a filter. , through two layers of dust-proof measures to ensure the cleanliness of the cooling air entering the cabinet, to avoid dust entering the cabinet and affecting the performance of various electrical components. In addition, the aperture of the air inlet of the cabinet gradually increases from the heat dissipation area to the atmosphere, which increases the flow of air in the atmosphere entering the cooling fan, thereby improving the cooling effect of the cooling fan.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is a structural schematic diagram of the electric control cabinet of the present utility model.

Fig. 2 is a schematic diagram of the side structure of the utility model electric control cabinet.

In Figure 1 and Figure 2, it includes: 1—cabinet, 2—front cover, 3—rear cover, 4—installation plate, 5—dust cover, 6—air inlet, 7— —Refrigeration fan, 8—filter, 9—louver air outlet, 10—through hole, 11—display screen, 12—button area, 13—operating table, 14—hanging ear, 15— Mounting Zone, 16—Heat Dissipating Zone.

Detailed ways

The utility model is further described in conjunction with the following examples.

The utility model provides an improved electric control cabinet, as shown in Figure 1 and Figure 2, comprising a cabinet body 1, a front cover 2 and a rear cover 3, the front cover 2 and the rear cover 3 are respectively connected to the cabinet by rotation 1. The electric control cabinet includes a mounting plate 4, which separates the interior of the cabinet body 1 into an installation area 15 and a heat dissipation area 16. The installation plate 4 is provided with a through hole 10, and the rear cover 3 is provided with a connection between the atmosphere and the heat dissipation area 16. Air inlet 6, the aperture of this air inlet 6 gradually increases from the heat dissipation area 16 to the atmosphere, the air inlet 6 is provided with a cooling fan 7 on one side of the heat dissipation area 16, and the air inlet 6 is provided with a dustproof fan on one side of the atmosphere. Cover 5, the fan air outlet of the cooling fan 7 is provided with a filter screen 8; the rear cover 3 is also provided with a louver air outlet 9. The rear cover plate 3 of the electric control cabinet is provided with an air inlet 6 and an air outlet, and a cooling fan 7 is installed at the air inlet 6, and the cooling fan 7 makes the air at normal temperature into heat dissipation air with a relatively low temperature and enters the cabinet body 1. The cooling air can enter each electrical device in the installation area 15 through the through hole 10 of the mounting plate 4, so as to dissipate heat to each electrical device more effectively, and a dustproof cover is respectively provided at the fan air inlet and the fan air outlet of the cooling fan 7 5 and the filter screen 8, through two layers of dust-proof measures to ensure the cleanliness of the cooling air entering the cabinet 1, to prevent dust from entering the cabinet 1 and thus affecting the performance of each electrical device. In addition, the aperture of the air inlet 6 of the cabinet 1 gradually increases from the heat dissipation area 16 to the atmosphere. In this embodiment, the air inlet 6 is trumpet-shaped, which increases the flow of air in the atmosphere into the cooling fan 7, thereby increasing the cooling capacity of the cooling fan 7. cooling effect.

In order to realize the automatic adjustment of the internal temperature of the cabinet 1, the electric control cabinet also includes a processor and a temperature sensor for detecting the internal temperature of the cabinet 1, and the processor is respectively connected to the temperature sensor and the cooling fan 7 with variable frequency operation. The processor adjusts the power of the cooling fan 7 according to the internal temperature of the cabinet 1 measured by the temperature sensor in real time, thereby achieving the purpose of automatically adjusting the internal temperature of the cabinet 1 and better intelligently dissipating heat from the electric control cabinet.

Further, the front cover 2 is provided with a display screen 11 , a button area 12 and an operation console 13 , and the processor is respectively connected to the display screen 11 , the button area 12 and the operation console 13 . In order to facilitate the user's operation, as shown in FIG. 2 , the console 13 is rotatably installed on the front cover 2 .

Further, the electric control cabinet also includes a transparent baffle (not shown in the figure), the transparent baffle is hingedly installed on the front cover 2, and the user can conveniently observe each part of the front cover 2 through the transparent baffle. kind of information.

Further, a lifting lug 14 is installed on each of the four corners of the top surface of the cabinet body 1 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (8)

1. a kind of Improvement type power control cabinet, including cabinet body, front shroud and back shroud, front shroud and back shroud are rotatablely connected cabinet respectively Body, which is characterized in that including mounting plate, installing zone and radiating area is divided between the inside of cabinet body, mounting plate is equipped with logical mounting plate Hole, back shroud offers the air inlet of connection radiating area, along air inlet close to one end of mounting plate to air inlet far from mounting plate One end, the aperture of air inlet is gradually increased, and back shroud or/and cabinet body are equipped with the refrigeration fan being located in radiating area, and freeze wind Machine is used to for extraneous air being pumped into cabinet body via air inlet, and back shroud or/and cabinet body are equipped with for covering the anti-of air inlet The air outlet of dust hood, the refrigeration fan is equipped with filter screen；Back shroud is also provided with blinds air outlet.

2. Improvement type power control cabinet according to claim 1, which is characterized in that further include processor and detection interior of the cabinet temperature The temperature inductor of degree, the processor are electrically connected the temperature inductor and the refrigeration fan.

3. Improvement type power control cabinet according to claim 2, which is characterized in that the refrigeration fan is frequency conversion fan.

4. Improvement type power control cabinet according to claim 2, which is characterized in that front shroud is equipped with display screen, button area and behaviour Make platform, the processor is electrically connected display screen, button area and station.

5. Improvement type power control cabinet according to claim 4, which is characterized in that station is rotatably mounted on front shroud.

6. Improvement type power control cabinet according to claim 1, which is characterized in that further include transparent baffle, which closes Page is mounted on front shroud.

7. Improvement type power control cabinet according to claim 1, which is characterized in that the top surface of cabinet body is equipped with several lifting lugs.

8. Improvement type power control cabinet according to claim 1, which is characterized in that the air inlet is in horn-like.