CN207994371U - A kind of cutting-in control cabinet with air exchanging apparatus - Google Patents

Abstract

The utility model discloses a grid-connected control cabinet with an air exchange device in the technical field of control cabinets. groove, the inner cavity of the chute is provided with an electric telescopic rod, and the other end of the electric telescopic rod is provided with a slider, and the slider is slidably connected with the inner cavity of the chute. The top is provided with a shutter, the top of the cabinet is provided with a casing, the center of the top of the casing is provided with a first through hole, and the top of the inner cavity of the casing is provided with a dust-proof net; the utility model The negative pressure fan uses air convection to form negative pressure ventilation, which is thorough and efficient. The negative pressure fan can quickly discharge the hot air in the cabinet, and the heat dissipation effect is good.

Description

A grid-connected control cabinet with an air exchange device

technical field

The utility model relates to the technical field of control cabinets, in particular to a grid-connected control cabinet with an air exchange device.

Background technique

The control cabinet is to assemble the switchgear, measuring instrument, protective device and auxiliary equipment in the closed or semiclosed metal cabinet or on the screen width according to the requirements of electrical wiring. and the safety of surrounding equipment. During normal operation, the circuit can be connected or disconnected by means of a manual or automatic switch. Cut off the circuit or alarm with the help of protective electrical appliances in case of failure or abnormal operation. Various parameters in operation can be displayed by means of measuring instruments, and some electrical parameters can also be adjusted to prompt or send out signals for deviations from normal working conditions. Commonly used in various power generation, distribution and substations. Due to the lack of an effective heat dissipation system in the existing control cabinet, it often causes the electrical equipment in the control cabinet to work for a long time and cannot dissipate heat. At the same time, the combustion or chemical reaction inside the equipment will also cause harmful gases to accumulate in the cabinet and cannot be dissipated. Reduced lifetime between devices. Based on this, the utility model designs a grid-connected control cabinet with an air exchange device to solve the above problems.

Utility model content

The purpose of this utility model is to provide a grid-connected control cabinet with an air exchange device, so as to solve the problem of poor heat dissipation of the existing device proposed in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a grid-connected control cabinet with an air exchange device, including a cabinet body, and support bars are provided on the left and right sides of the top of the cabinet body, and the top of the support bar A chute is provided, an electric telescopic rod is provided outside the inner cavity of the chute, and a slider is provided at the other end of the electric telescopic rod, and the slider is slidably connected with the inner cavity of the chute. The top of the slider is provided with a shroud, the top of the cabinet is provided with a casing, the center of the top of the casing is provided with a first through hole, and the top of the inner cavity of the casing is provided with a dust-proof net. The bottom of the inner cavity of the housing is provided with sound-absorbing cotton, the center of the bottom of the inner wall of the housing is provided with a drier, and the left and right sides of the bottom of the housing are provided with second through holes. Ventilation holes are provided in the center of the sides, and baffles are provided on the top of the outer edge of the ventilation holes. A negative pressure fan is provided in the center of the bottom of the inner cavity of the cabinet body. A motor frame, the motor frame is provided with a motor, the surface power output end of the motor is provided with a gear, the gear is provided with a rack, and the left and right sides of the inner edge of the first through hole are provided with A support rod, the bottom of the support rod is provided with a limit block, the bottom of the limit block is provided with a spring, a cover plate is provided between the bottoms of the two sets of springs, and the other end of the rack runs through the limit block And it is connected with the top of the cover plate, and the spring is socketed with the rack.

Preferably, the bottom of the cabinet is provided with feet.

Preferably, a tension spring is provided between the opposite inner sides of the two groups of shutters.

Preferably, a sealing ring is provided between the bottom of the housing and the cabinet.

Preferably, a shock absorber is provided at the bottom of the dust-proof net.

Compared with the prior art, the beneficial effect of the utility model is: the utility model uses air convection through the negative pressure fan to form negative pressure ventilation, the ventilation is thorough and efficient, and the negative pressure fan can quickly discharge the hot air in the cabinet, The heat dissipation effect is good. In rainy weather, the electric telescopic rod drives the slider to slide in the inner cavity of the chute, so that the opposite inner sides of the two sets of shutters are close to the combination to block the rain. The motor drives the gear to rotate and shrink the rack to make the cover plate The spring is compressed and overlapped with the limit block, so that the cover plate covers the inner edge of the first through hole, which is effectively waterproof, prolongs the service life of the equipment in the main body of the control cabinet, and has good practicability.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the shell structure of the utility model.

In the accompanying drawings, the list of parts represented by each label is as follows:

1-cabinet body, 2-support rod, 3-chute, 4-electric telescopic rod, 5-slider, 6-shield, 7-housing, 8-first through hole, 9-dust net, 10 -Muffler cotton, 11-dryer, 12-second through hole, 13-ventilation hole, 14-archive, 15-negative pressure fan, 70-motor frame, 71-motor, 72-gear, 73-rack, 74 -support rod, 75-limit block, 76-spring, 77-cover plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a grid-connected control cabinet with an air exchange device, including a cabinet body 1, and support rods 2 are provided on the left and right sides of the top of the cabinet body 1, and the support rods The top of 2 is provided with a chute 3, the inner cavity of the chute 3 is provided with an electric telescopic rod 4, and the other end of the electric telescopic rod 4 is provided with a slider 5, and the slider 5 slides with the inner cavity of the chute 3 The top of the slider 5 is provided with a shutter 6, the top of the cabinet 1 is provided with a housing 7, the center of the top of the housing 7 is provided with a first through hole 8, and the top of the inner cavity of the housing 7 is provided with an anti- Dust net 9, the bottom of the inner cavity of the housing 7 is provided with a sound-absorbing cotton 10, the center of the inner wall bottom of the housing 7 is provided with a dryer 11, the left and right sides of the bottom of the housing 7 are provided with second through holes 12, and the cabinet body 1 Ventilation holes 13 are provided in the center of the left and right sides of the cabinet, baffles 14 are provided on the top of the outer edge of the ventilation holes 13, a negative pressure fan 15 is provided in the center of the bottom of the inner cavity of the cabinet body 1, and the left and right sides of the top of the inner wall of the housing 7 Motor frame 70 is all provided with, and motor frame 70 is provided with motor 71, and the surface power output end of motor 71 is provided with gear 72, and gear 72 is provided with rack 73, and the left and right sides of the inner edge mouth of first through hole 8 Both are provided with a pole 74, the bottom of the pole 74 is provided with a limit block 75, the bottom of the limit block 75 is provided with a spring 76, a cover plate 77 is provided between the bottoms of the two groups of springs 76, and the other end of the rack 73 runs through The limit block 75 is also connected to the top of the cover plate 77 , and the spring 76 is socketed with the rack 73 .

Wherein, the bottom of the cabinet body 1 is provided with feet, through which the cabinet body 1 is elevated, away from the ground, to prevent moisture from invading the inner cavity of the cabinet body 1, and tension springs are arranged between the opposite inner sides of the two sets of shutters 6, and by pulling The two sets of shutters 6 are fixedly connected by springs, which is convenient for the shutters 6 to be combined in opposite directions to keep out the rain. A sealing ring is provided between the bottom of the housing 7 and the cabinet body 1 to seal the top of the cabinet body 1, and the bottom of the dust-proof net 9 Equipped with a shock absorber to effectively alleviate the vibration caused by the air exchange process.

A specific application of this embodiment is: the negative pressure fan 15 discharges air outwards to reduce the air pressure in the cabinet 1, and the air in the inner cavity of the cabinet 1 becomes thinner, forming a negative pressure zone, and the air flows in due to the compensation of the air pressure difference; The first through hole 8 is filtered by the dust-proof net 9 to effectively prevent dust, eliminate the wind noise through the sound-absorbing cotton 10, and form convective blowing from the second through hole 12 to the negative pressure fan 15, so that the ventilation is thorough, efficient, and the ventilation rate is high; The negative pressure fan 15 can quickly discharge the hot air in the cabinet 1 to effectively dissipate heat; in rainy weather, the electric telescopic rod 4 drives the slider 5 to slide in the inner cavity of the chute 3, so that the relative inner sides of the two groups of shutters 6 are close to each other. Combining to keep out the rain, the motor 71 drives the gear 72 to rotate, shrinks the rack 73, makes the cover plate 77 compress the spring 76 and overlaps with the limit block 75, so that the cover plate 77 covers the inner edge of the first through hole 8 , good waterproof effect.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the description of the present invention. In at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not exhaust all details, nor do they limit the utility model to the specific implementations described. Obviously, many modifications and variations can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (5)

1. a kind of cutting-in control cabinet with air exchanging apparatus, including cabinet（1）, it is characterised in that：The cabinet（1）Top It is equipped with supporting rod at left and right sides of portion（2）, the supporting rod（2）Top be equipped with sliding slot（3）, the sliding slot（3）Inner cavity outside Side is equipped with electric telescopic rod（4）, the electric telescopic rod（4）End side be equipped with sliding block（5）, the sliding block（5）With cunning Slot（3）Inner cavity be slidably connected, the sliding block（5）Top be equipped with shield（6）, the cabinet（1）Top run through be equipped with shell Body（7）, the shell（7）Center of top run through be equipped with first through hole（8）, the shell（7）Inner cavity top be equipped with it is dust-proof Net（9）, the shell（7）Intracavity bottom be equipped with silencing cotton（10）, the shell（7）Inner wall bottom center be equipped with drying machine （11）, the shell（7）Bottom at left and right sides of be equipped with the second through-hole（12）, the cabinet（1）The left and right sides center Through equipped with ventilation hole（13）, the ventilation hole（13）Outer at the top of be equipped with baffle（14）, the cabinet（1）Intracavity bottom Center is equipped with negative-pressure air fan（15）, the shell（7）Inner wall at the top of the left and right sides be equipped with motor rack（70）, the motor rack （70）It is equipped with motor（71）, the motor（71）Surface power output end be equipped with gear（72）, the gear（72）On Equipped with rack（73）, the first through hole（8）Interior bead at left and right sides of be equipped with strut（74）, the strut（74）Bottom Equipped with limited block（75）, the limited block（75）Bottom be equipped with spring（76）, spring described in two groups（76）Bottom between set There is cover board（77）, the rack（73）The other end run through limited block（75）And and cover board（77）Top connection, the spring （76）With rack（73）Socket.

2. a kind of cutting-in control cabinet with air exchanging apparatus according to claim 1, it is characterised in that：The cabinet （1）Bottom be equipped with stabilizer blade.

3. a kind of cutting-in control cabinet with air exchanging apparatus according to claim 1, it is characterised in that：Described in two groups Shield（6）Relative inner between be equipped with tension spring.

4. a kind of cutting-in control cabinet with air exchanging apparatus according to claim 1, it is characterised in that：The shell （7）Bottom and cabinet（1）Between be equipped with sealing ring.

5. a kind of cutting-in control cabinet with air exchanging apparatus according to claim 1, it is characterised in that：It is described dust-proof Net（9）Bottom be equipped with damper.