CN112701602A

CN112701602A - Safe and reliable high-low voltage switch cabinet

Info

Publication number: CN112701602A
Application number: CN202110095227.9A
Authority: CN
Inventors: 张国英
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-04-23

Abstract

The invention discloses a safe and reliable high-low voltage switch cabinet, which relates to the technical field of switch cabinets and comprises a fixed box body and a pair of sliding box bodies, wherein the sliding box bodies are transversely and slidably arranged on the fixed box body through an adjusting mechanism; the two sliding boxes arranged in the invention can be relatively fixed to the box body for telescopic sliding adjustment under the transmission action of the adjusting mechanism, so that the flexible expansion of the internal space of the switch cabinet is realized, the integral heat dissipation effect of the device is improved, the accumulation of heat is avoided, the arranged axial flow fan I and the axial flow fan II can jointly discharge heat to the inside of the switch cabinet, meanwhile, the axial flow fan I can automatically move when the space is adjusted, the heat discharge efficiency is obviously improved, the arranged opening and closing mechanism can open the baffle, and the periodic cleaning effect of dust on the baffle is convenient.

Description

Safe and reliable high-low voltage switch cabinet

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a safe and reliable high-low voltage switch cabinet.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.

Its structure is fixed usually when using for current cubical switchboard, and inside heat can not timely discharge out in the course of the work, leads to the temperature to rise rapidly, causes the damage of internal element easily, and self reliability is lower, for this reason, provides a safe and reliable high-low voltage switch cabinet in order to solve above-mentioned technical problem now.

Disclosure of Invention

The invention aims to provide a safe and reliable high-low voltage switch cabinet to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a safe and reliable high-low voltage switch cabinet, includes fixed box and a pair of slip box, the slip box passes through adjustment mechanism lateral sliding and installs on fixed box, fixed box top is equipped with four-wheel belt drive mechanism, and the last drive of four-wheel belt drive mechanism is connected with a pair of axial fan I and a pair of axial fan II, and elasticity self-interacting mechanism is connected in the transmission between two axial fan II, the last hand wheel of installing of rotating of slip box, the drive is connected with start-stop mechanism on the hand wheel.

As a modified scheme of the invention: the adjusting mechanism comprises a driving motor fixed at the top in the fixed box body, a bevel gear II is connected to the driving motor in a driving mode, a bevel gear I is connected to the bevel gear II in a meshed mode, two transverse screws with opposite thread turning directions are coaxially fixed to the bevel gear I, and the two transverse screws are in threaded connection with the two sliding box bodies respectively.

As a modified scheme of the invention: the four-wheel belt transmission mechanism comprises a belt pulley I and a belt pulley III which are respectively rotatably installed on the two sliding box bodies, a transmission belt is sleeved between the belt pulley I and the belt pulley III, and a pair of belt pulleys II which are in transmission connection with the transmission belt are arranged on the elastic self-adjusting mechanism.

As a modified scheme of the invention: the four-wheel belt transmission mechanism further comprises a sliding plate which is transversely slidably mounted on the fixed box body, a servo motor is fixed on the sliding plate, a driving gear is connected onto the servo motor in a driving mode, a driven gear is connected onto the driving gear in a meshed mode, and the driven gear is coaxially fixed with the belt pulley I.

As a modified scheme of the invention: the axial flow fan I is coaxially fixed at the lower end of the belt pulley I or the belt pulley III, and the axial flow fan II is coaxially fixed at the lower end of the belt pulley II.

As a modified scheme of the invention: the elasticity self-adjusting mechanism comprises a sliding groove arranged at the top of the fixed box body, the extending direction of the sliding groove is perpendicular to the sliding direction of the sliding plate, a sliding block is embedded in the sliding groove in a sliding mode, the belt pulley II is rotatably installed on the sliding block, and a connecting spring located in the sliding groove is fixed between the sliding block and the fixed box body.

As a modified scheme of the invention: the opening and closing mechanism comprises a baffle with one end hinged on the sliding box body, a plurality of vent holes are formed in the baffle, a thread sleeve block is slidably mounted on the side wall of the sliding box body, a rotating rod is hinged between the thread sleeve block and the baffle, and a vertical screw rod coaxially fixed with a hand wheel is arranged on the thread sleeve block in a penetrating mode through threaded connection.

Compared with the prior art, the invention has the beneficial effects that:

the two sliding boxes arranged in the invention can be relatively fixed to the box body for telescopic sliding adjustment under the transmission action of the adjusting mechanism, so that the flexible expansion of the internal space of the switch cabinet is realized, the integral heat dissipation effect of the device is improved, the accumulation of heat is avoided, the arranged axial flow fan I and the axial flow fan II can jointly discharge heat to the inside of the switch cabinet, meanwhile, the axial flow fan I can automatically move when the space is adjusted, the heat discharge efficiency is obviously improved, the arranged opening and closing mechanism can open the baffle, and the periodic cleaning effect of dust on the baffle is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a schematic partial top view of FIG. 1;

fig. 5 is a partial perspective view of the present invention.

In the figure: the device comprises a 1-sliding box body, a 2-fixed box body, a 3-axial flow fan I, a 4-transmission belt, a 5-driven gear, a 6-driving gear, a 7-belt pulley I, an 8-sliding plate, a 9-connecting spring, a 10-belt pulley II, a 11-belt pulley III, a 12-rotating rod, a 13-threaded sleeve block, a 14-vertical screw, a 15-baffle, a 16-driving motor, a 17-bevel gear I, a 18-bevel gear II, a 19-axial flow fan II, a 20-vent hole, a 21-servo motor, a 22-hand wheel, a 23-transverse screw, a 24-sliding block and a 25-sliding chute.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-5, a safe and reliable high-low voltage switch cabinet comprises a fixed box body 2 and a pair of sliding box bodies 1, wherein the sliding box bodies 1 are transversely installed on the fixed box body 2 in a sliding mode through an adjusting mechanism, a four-wheel belt transmission mechanism is arranged at the top of the fixed box body 2, a pair of axial flow fans I3 and a pair of axial flow fans II19 are connected to the four-wheel belt transmission mechanism in a driving mode, an elastic self-adjusting mechanism is connected between the two axial flow fans II19 in a driving mode, a hand wheel 22 is installed on each sliding box body 1 in a rotating mode, and an opening and closing mechanism is.

The space that fixed box 2 and a pair of slip box 1 of this device constitute forms the usage space of this cubical switchboard, adjustment mechanism through setting up can carry out nimble regulation to the space of cubical switchboard, specifically, adjustment mechanism is including fixing the driving motor 16 at fixed box 2 internal top, the drive is connected with bevel gear II18 on the driving motor 16, the meshing is connected with bevel gear I17 on the bevel gear II18, the coaxial two horizontal screw rods 23 that are fixed with two screw threads and revolve to opposite on the bevel gear I17, two horizontal screw rods 23 respectively with two slip box 1 threaded connection.

The driving motor 16 is arranged to drive the bevel gear II18 to rotate, the bevel gear II18 is arranged to drive the bevel gear I17 engaged with the bevel gear II to rotate, the bevel gear I17 is arranged to drive the two transverse screws 23 to rotate, and the transverse screws 23 drive the two sliding boxes 1 to move oppositely, so that the effect of adjusting the size of the space formed by the sliding boxes 1 and the fixed boxes 2 is achieved.

Further, the four-wheel belt transmission mechanism of the device comprises a belt pulley I7 and a belt pulley III11 which are respectively rotatably installed on the two sliding boxes 1, a transmission belt 4 is sleeved between the belt pulley I7 and the belt pulley III11, and a pair of belt pulleys II10 in transmission connection with the transmission belt 4 are arranged on the elastic self-adjusting mechanism. The four-wheel belt transmission mechanism further comprises a sliding plate 8 which is transversely slidably mounted on the fixed box body 2, a servo motor 21 is fixed on the sliding plate 8, a driving gear 6 is connected to the servo motor 21 in a driving mode, a driven gear 5 is connected to the driving gear 6 in a meshed mode, and the driven gear 5 and a belt pulley I7 are coaxially fixed. The axial flow fan I3 is coaxially fixed at the lower end of the pulley I7 or the pulley III11, and the axial flow fan II19 is coaxially fixed at the lower end of the pulley II 10.

With the above arrangement, the servo motor 21 drives the drive gear 6 to rotate. The driving gear 6 drives the driven gear 5 to rotate, the driven gear 5 drives the axial fan I3 to rotate so as to achieve the blast heat dissipation effect on the inner space of the sliding box body 1, meanwhile, the belt pulley II10 is driven to rotate through the transmission belt 4, the axial fan I3 is rotated, and at the moment, the inside of the switch cabinet is cooled sufficiently through heat dissipation.

Example 2

On the basis of embodiment 1, in addition, the elasticity self-adjusting mechanism of the device comprises a sliding groove 25 arranged at the top of the fixed box body 2, the extending direction of the sliding groove 25 is perpendicular to the sliding direction of the sliding plate 8, a sliding block 24 is embedded in the sliding groove 25 in a sliding way, the belt pulley II10 is rotatably arranged on the sliding block 24, and a connecting spring 9 positioned in the sliding groove 25 is fixed between the sliding block 24 and the fixed box body 2.

In the sliding adjustment process of the sliding box body 1, the sliding block 24 slides along the sliding groove 25 under the elastic action of the connecting spring 9, and the arranged sliding plate 8 slides transversely, so that the transmission belt 4 is tightened, the tight transmission effect of the transmission belt 4 and the belt pulley I7, the belt pulley III11 and the belt pulley II10 is ensured, the automatic adjustment effect is achieved, and the stable transmission effect is effectively improved.

In addition, the starting and stopping mechanism of this device includes that one end articulates the baffle 15 on sliding box 1, has seted up a plurality of ventilation hole 20 on the baffle 15, sliding box 1 lateral wall slidable mounting has screw thread cover block 13, and it has dwang 12 to articulate between screw thread cover block 13 and the baffle 15, threaded connection wears to be equipped with the vertical screw 14 with the coaxial fixed of hand wheel 22 on the screw thread cover block 13.

Outside cold air current enters into inside slip box 1 and the fixed box 2 through ventilation hole 20, can drive vertical screw 14 through rotatory hand wheel 22 and rotate, the vertical lift of vertical screw 14 drive screw sleeve piece 13 this moment, realize that dwang 12 drives baffle 15 and rotate, baffle 15 can realize opening and close the effect this moment, can realize after baffle 15 is opened that the short time rapid cooling to the cubical switchboard is inside, the while also made things convenient for the regular dust removal clearance of baffle 15.

In summary, the two sliding boxes 1 arranged in the invention can be adjusted in a telescopic sliding manner relative to the fixed box 2 under the transmission action of the adjusting mechanism, so that flexible expansion of the internal space of the switch cabinet is realized, the overall heat dissipation effect of the device is improved, and heat accumulation is avoided, the axial flow fan I3 and the axial flow fan II19 can jointly discharge heat from the inside of the switch cabinet, and meanwhile, the axial flow fan I3 can automatically move when the space is adjusted, so that the heat discharge efficiency is remarkably improved, the opening and closing mechanism can open the baffle plate 15, and the periodic cleaning effect of dust on the baffle plate 15 is facilitated.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. The utility model provides a safe and reliable high-low voltage switch cabinet, includes fixed box (2) and a pair of slip box (1), its characterized in that, slip box (1) is through adjustment mechanism lateral sliding installation on fixed box (2), fixed box (2) top is equipped with four-wheel belt drive mechanism, and the last drive of four-wheel belt drive mechanism is connected with a pair of axial fan I (3) and a pair of axial fan II (19), and elasticity self-interacting mechanism is connected in the transmission between two axial fan II (19), it installs hand wheel (22) to rotate on slip box (1), the drive is connected with start-stop mechanism on hand wheel (22).

2. The safe and reliable high-low voltage switch cabinet as claimed in claim 1, wherein the adjusting mechanism comprises a driving motor (16) fixed at the inner top of the fixed box body (2), a bevel gear II (18) is connected to the driving motor (16) in a driving manner, a bevel gear I (17) is connected to the bevel gear II (18) in a meshing manner, two transverse screws (23) with opposite thread turning directions are coaxially fixed on the bevel gear I (17), and the two transverse screws (23) are respectively in threaded connection with the two sliding box bodies (1).

3. The safe and reliable high-low voltage switch cabinet as claimed in claim 1 or 2, wherein the four-wheel belt transmission mechanism comprises a belt pulley I (7) and a belt pulley III (11) which are respectively rotatably mounted on the two sliding box bodies (1), a transmission belt (4) is sleeved between the belt pulley I (7) and the belt pulley III (11), and the elastic self-adjusting mechanism is provided with a pair of belt pulleys II (10) which are in transmission connection with the transmission belt (4).

4. The safe and reliable high-low voltage switch cabinet as claimed in claim 3, wherein the four-wheel belt transmission mechanism further comprises a sliding plate (8) transversely slidably mounted on the fixed box body (2), a servo motor (21) is fixed on the sliding plate (8), a driving gear (6) is connected to the servo motor (21) in a driving manner, a driven gear (5) is connected to the driving gear (6) in a meshing manner, and the driven gear (5) is coaxially fixed with the belt pulley I (7).

5. The safe and reliable high-low voltage switch cabinet according to claim 3, wherein the axial flow fan I (3) is coaxially fixed at the lower end of the pulley I (7) or the pulley III (11), and the axial flow fan II (19) is coaxially fixed at the lower end of the pulley II (10).

6. A safe and reliable high-low voltage switch cabinet according to claim 4, characterized in that the elastic self-adjusting mechanism comprises a sliding groove (25) arranged at the top of the fixed box body (2), the extending direction of the sliding groove (25) is perpendicular to the sliding direction of the sliding plate (8), a sliding block (24) is embedded in the sliding groove (25), the belt pulley II (10) is rotatably mounted on the sliding block (24), and a connecting spring (9) positioned in the sliding groove (25) is fixed between the sliding block (24) and the fixed box body (2).

7. The safe and reliable high-low voltage switch cabinet according to claim 1, characterized in that the opening and closing mechanism comprises a baffle (15) with one end hinged on the sliding box body (1), the baffle (15) is provided with a plurality of ventilation holes (20), the side wall of the sliding box body (1) is slidably provided with a threaded sleeve block (13), a rotating rod (12) is hinged between the threaded sleeve block (13) and the baffle (15), and the threaded sleeve block (13) is provided with a vertical screw (14) which is coaxially fixed with a hand wheel (22) in a penetrating manner through threaded connection.