CN215528287U - Improvement type KYN type 10kV high tension switchgear - Google Patents

Abstract

The utility model relates to the technical field of transformer substations, and discloses an improved KYN type 10kV high-voltage switch cabinet which comprises a box body and is characterized in that a supporting column is arranged on the bottom surface of the box body, the box body is of a cavity structure with an opening on one side surface, a wire inlet pipe is arranged on the bottom surface of the box body, a sealing element is arranged on the wire inlet pipe, a float switch is arranged on the bottom surface of the box body, a sealing door is arranged at an opening of the box body, and the sealing door is controlled to be opened and closed through the float switch; this application reasonable in design, simple structure, easy dismounting, the leakproofness is good, and waterproof performance is good, and the radiating effect is good, has promoted power consumption safety greatly.

Description

Improvement type KYN type 10kV high tension switchgear

Technical Field

The utility model relates to the technical field of transformer substations, in particular to an improved KYN type 10kV high-voltage switch cabinet.

Background

Since thirteen five years, with continuous and deep innovation of power system in China, thermal power enterprises gradually change from production to operation, and how to improve quality and efficiency and reduce power generation cost is a research target of a future period of numerous thermal power enterprises and scientific research institutes. Among various technical and economic indexes of a thermal power plant, the plant power consumption rate directly reflects the efficiency of converting primary energy into electric energy of the ignition power plant and also directly determines the capability of creating benefits of the ignition power plant, and the plant power consumption rate refers to the percentage of the total electric quantity consumed by each main system and each auxiliary system in the range of the plant in a certain specified time period of a unit in the normal operation state period according to the common recognition of the current power industry.

In the production process, equipment which needs to be driven and controlled through electrical equipment in each main and auxiliary production system is selected, the type selection of the equipment can also generate certain influence on the station power consumption of a power plant, and the KYN type high-voltage switch cabinet is used for receiving and distributing electric energy in power transformation and distribution, so that the power consumption can be effectively reduced, the control, protection and monitoring are carried out on a circuit, the requirements of IEC60298, DL404 and other standards are met, and the multifunctional intelligent integrated intelligent high-voltage switch cabinet has a perfect five-prevention function, and is safe and reliable.

Although the thermal power factory can take precautions against the flood in the site selection, but proruption flood and torrential rain for the thermal power factory still can receive the invasion and attack, inside flood infiltration got into the high tension switchgear, can make the inside components and parts of high tension switchgear damage, even flood back components and parts also can not be restoreed, cause company's asset loss, and if the power failure is untimely, flood after electrically conducting easily causes personnel's injures and deaths.

Disclosure of Invention

The utility model aims to provide an improved KYN type 10kV high-voltage switch cabinet which has a waterproof function on the basis of reducing the plant power consumption rate, can be powered off in time by electricians, reduces loss, is safe and reliable, and effectively solves the problems in the background technology.

The technical scheme adopted by the utility model is as follows: the utility model provides an improvement type KYN type 10kV high tension switchgear, includes the box, the bottom surface of box is equipped with the support column, the box is a side open-ended cavity structure, the bottom surface of box is equipped with the inlet wire pipe, is equipped with the sealing member on the inlet wire pipe, the bottom surface of box is equipped with float switch, the opening part of box is equipped with sealing door, and sealing door passes through float switch control switching.

Further, considering the influence of the size of the opening of the box body on the sealing performance of the sealing door, the opening of the box body is flush with the inner wall of the box body.

Further, in order to fill the clearance between cable and the inlet wire pipe, provide the sealing member of a structure, the sealing member includes the rubber buffer, the rubber buffer is cylindric structure, is equipped with the through-hole that is used for the cable to pass at the center of rubber buffer, a terminal surface of rubber buffer be equipped with the concentric annular of through-hole, and the pipe wall adaptation of annular and inlet wire pipe.

Further, consider that above-mentioned sealing member need wear in advance on the cable and just can install, complex operation, for this reason propose the sealing member of a second kind of structure, the sealing member includes that hose, rubber are stifled, the inside wall at the inlet wire pipe is worn to the hose, rubber is stifled to be half T type cylindric structure, is equipped with the semicircle orifice at the center that rubber is stifled, and the vertical section that rubber is stifled inserts the clearance between hose and the cable, is equipped with the inclined plane at the vertical section lateral wall that rubber is stifled.

Furthermore, considering that the sealing elements with the two structures have fixed structures and limited application range, and the reliability is poorer after installation, a sealing element with a third structure is provided for the purpose, the sealing element comprises an inner rubber tube, an outer rubber tube, an inner threaded tube and an outer threaded tube, the inner rubber tube is arranged on the outer side wall of the cable, the outer rubber tube is arranged on the inner side wall of the wire inlet tube, a screwing ring is arranged in a gap between the inner rubber tube and the outer rubber tube, an extension tube is arranged on the end surface of the screwing ring, a base ring is arranged at the free end of the extension tube, the free end of the base ring is provided with a pipe body which is concentrically arranged, the side wall of the pipe body is provided with balls which are arranged at equal angles, an internal thread pipe is arranged at the free end of the pipe body on the outer side, an external thread pipe is connected with the internal thread pipe in a threaded manner, and the outer threaded pipe can push the balls to tightly press the inner rubber pipe and the outer rubber pipe in the downward moving process, and the free end of the outer threaded pipe is provided with a screwing ring.

Further, in order to guarantee the sealing performance of this application after the outage, be equipped with miniature vacuum pump in the box, and miniature vacuum pump's port extends to the box outside.

Further, consider the influence of sealing door structure to the leakproofness to need guarantee the heat dissipation problem of components and parts in the box, and the components and parts installation, propose the sealing door of a structure from this, the sealing door includes the end cover, the end cover flushes with the side of box, the terminal surface of end cover is equipped with the embedding frame, and imbeds frame and box inner wall sliding connection, the terminal surface of end cover is equipped with the thermovent of symmetrical arrangement, the thermovent outside is equipped with the closure plate of type, and closure plate and thermovent adaptation, is fixed with the electric telescopic handle that the drive closure plate was opened or was closed through connecting bolt on the closure plate, and electric telescopic handle's free end is fixed with the box.

Preferably, a sealing ring is arranged at the position where the end cover is contacted with the box body in consideration of the sealing performance of the end cover and the box body.

Furthermore, consider that above-mentioned sealing door need take off the sealing door operation when opening installation components and parts, and is loaded down with trivial details and complicated, propose the sealing door of second kind of structure from this, the sealing door includes the end cover, the end cover flushes with the side of box, the terminal surface of end cover is equipped with the embedding frame, and the inner wall sliding connection of embedding frame and box, the lateral wall of embedding frame is equipped with and is used for radiating logical groove, the inner wall of end cover is equipped with symmetrical arrangement's articulated ear, and articulated on articulated ear have the connecting rod, and articulated at the free end of connecting rod has the cross articulated pole, and articulated at the free end of cross articulated pole has the connecting rod, and articulated at the free end of connecting rod have the articulated ear fixed with the box, the pin joint of cross articulated pole articulates has the electric telescopic handle fixed with the box.

The utility model has the beneficial effects that: the sealing element is arranged for sealing the gap between the cable and the box body, so that the operation is simple, the sealing performance is good, and the application range is wide; the box body and the sealing door are arranged, and the buckling type installation of the box body and the sealing door is controlled through the mechanical structure, so that the sealing effect is good, the sealing is reliable, the effective heat dissipation of components in the box body can be ensured, and the use is convenient; the box body is connected with the embedded frame in a sliding mode, and the sealing performance is further improved; this application can be on mechanical structure towed basis, takes out into the negative pressure with the box through setting up micro vacuum pump, has further promoted the sealed effect of this application, the effectual waterproof performance who guarantees this application, and can reserve sufficient time for electrician and cut off the power supply, safe and reliable.

Drawings

FIG. 1 is a schematic side sectional view of the present invention.

Fig. 2 is a schematic sectional front view of the first sealing member.

Fig. 3 is a schematic sectional front view of a second sealing member.

Fig. 4 is a schematic sectional front view of a third seal member.

Fig. 5 is a schematic side sectional view of the first sealing door.

Fig. 6 is a schematic side sectional view of a second sealing door.

In the figure: the device comprises a box body 1, a support column 2, an inlet pipe 3, a sealing element 4, a float switch 5, a sealing door 6, a rubber plug 7, a through hole 8, an annular groove 9, a hose 10, a rubber plug 11, a semicircular hole 12, an inclined plane 13, an inner rubber tube 14, an outer rubber tube 15, an inner threaded tube 16, an outer threaded tube 17, a screwing ring 18, an extension tube 19, a base ring 20, a pipe body 21, a ball 22, a micro vacuum pump 23, an end cover 24, an embedded frame 25, a heat dissipation port 26, a blocking plate 27, a connecting bolt 28, an electric telescopic rod 29, a sealing ring 30, a through groove 31, a hinge lug 32, a connecting rod 33 and a cross hinge rod 34.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solution of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example one

As shown in fig. 1, an improved KYN type 10kV high voltage switch cabinet comprises a cabinet body 1, it is characterized in that the bottom surface of the box body 1 is connected with four support columns 2 through bolts, the number of the support columns 2 is four, the supporting columns 2 are made of wood, so that the waterproof box can isolate the ground from the ground to play a primary waterproof role, the box body 1 is of a rectangular structure, the box body 1 is a cavity structure with an opening on one side, the bottom surface of the box body 1 is welded with a wire inlet pipe 3 for the penetration of a cable, a sealing element 4 is arranged on the wire inlet pipe 3 and used for sealing a gap between the cable and the wire inlet pipe 3, a float switch 5 is arranged on the bottom surface of the box body 1, a sealing door 6 is arranged at the opening of the box body 1, and the sealing door 6 is controlled to be opened and closed through the float switch 5, and particularly when flood comes, the water level rises to the float switch 5, the circuit is switched on, and the sealing door 6 is closed.

When specifically setting up above-mentioned box 1, consider the influence of box 1's opening size to the 6 leakproofness of sealing door, the opening is too little, box 1 and the increase of 6 contact surfaces of sealing door, and the leakproofness is good, but during components and parts installation, operating space is little, the opening of box 1 flushes with box 1's inner wall, and the opening is big like this, is convenient for install components and parts, through enlarging area of contact at box 1 inner wall, guarantees box 1 and 6 leakproofness of sealing door.

As shown in fig. 2, in order to fill the clearance between cable and the inlet wire pipe 3, propose sealing member 4 of a structure, sealing member 4 includes rubber buffer 7, rubber buffer 7 is cylindric structure, and it has the through-hole 8 that is used for the cable to pass to process at the center of rubber buffer 7, and 8 internal diameters of through-hole are the same with the cable external diameter, a terminal surface processing of rubber buffer 7 has the annular 9 concentric with through-hole 8, and annular 9 and inlet wire pipe 3's pipe wall adaptation, all sets up at the upper and lower both ends of inlet wire pipe 3, and inseparable lock, and rubber buffer 7 has certain elasticity, and is sealed effectual.

As shown in fig. 5, in consideration of the influence of the structure of the sealing door 6 on the sealing performance, and the heat dissipation problem of the components in the box 1 and the component installation need to be ensured, the sealing door 6 of the first structure is proposed, the sealing door 6 includes an end cover 24, the end cover 24 is flush with the side surface of the box 1, and can play a role of limiting, an embedded frame 25 is welded on the end surface of the end cover 24, the embedded frame 25 is a rectangular ring structure, and the embedded frame 25 is slidably connected with the inner wall of the box 1, so that the contact area is increased, the sealing performance is further improved, symmetrically arranged heat dissipation ports 26 are processed on the end surface of the end cover 24, the heat dissipation ports are symmetrically arranged up and down, a convex blocking plate 27 is fastened on the outer side of the heat dissipation port 26, the small head of the blocking plate 27 is adapted to the inner wall of the heat dissipation port 26, and an electric telescopic rod 29 for driving the blocking plate 27 to open or close is fixed on the blocking plate 27 through a connecting bolt 28, electric telescopic handle 29 is connected with float switch 5 electricity, and electric telescopic handle 29's free end is fixed with box 1, during the running state, electric telescopic handle 29 extends, closure plate 27 and thermovent 26 break away from, during the flood invasion and attack, electric telescopic handle 29 contracts, closure plate 27 and thermovent 26 lock, during the installation components and parts, swivelling joint bolt 28, pull down closure plate 27 from thermovent 26, then extract sealing door 6 can, further, consider the leakproofness of end cover 24 and box 1, sealing washer 30 is installed to end cover 24 and box 1 contact position, has guaranteed sealed between the two.

When specifically setting up above-mentioned box 1, in order to guarantee the sealing performance of this application after the outage, install micro vacuum pump 23 in the box 1, and micro vacuum pump 23's port extends to the box 1 outside, and can take out into the negative pressure in the box 1 on the basis that mechanical structure pulls, further promoted the sealed effect of this application, the effectual waterproof performance who guarantees this application, and can reserve sufficient time for electrician and cut off the power supply, safe and reliable.

Example two

As shown in fig. 3, consider that above-mentioned sealing member 4 need wear in advance on the cable and just can install, complex operation, for this sealing member 4 who proposes second kind of structure, sealing member 4 includes hose 10, rubber stifled 11, hose 10 wears the inside wall at inlet wire pipe 3, and hose 10 is made for the good soft rubber of elasticity, rubber stifled 11 is half T type cylindric structure, and it has semicircle orifice 12 to process at the center of rubber stifled 11, and the vertical section of rubber stifled 11 inserts the clearance between hose 10 and the cable, and it has inclined plane 13 to process at the vertical section lateral wall of rubber stifled 11, and the installation is simple, and direct lock just can be fixed, and elastic mounting, and the leakproofness is better.

EXAMPLE III

As shown in fig. 4, considering that the sealing element 4 of the above two structures has a fixed structure, a limited application range and a poor reliability after installation, a sealing element 4 of a third structure is proposed, where the sealing element 4 includes an inner rubber tube 14, an outer rubber tube 15, an inner threaded tube 16 and an outer threaded tube 17, the inner rubber tube 14 is sleeved on the outer side wall of the cable, the outer rubber tube 15 is sleeved on the inner side wall of the inlet tube 3, a screwing ring 18 penetrates through a gap between the inner rubber tube 14 and the outer rubber tube 15, an extension tube 19 is welded on the end surface of the screwing ring 18, a base ring 20 is welded on the free end of the extension tube 19, a concentrically arranged tube body 21 is welded on the free end of the base ring 20, the two layers are arranged, balls 22 arranged at equal angles are slidably mounted on the side wall of the tube body 21, the two layers move in the inner and outer directions, the inner threaded tube 16 is welded on the free end of the tube body 21 on the outer side, threaded connection has external screw thread pipe 17 on the internal thread pipe 16, and external screw thread pipe 17 can promote ball 22 in the process of moving down and sticiss interior rubber tube 14 and outer rubber tube 15, external screw thread pipe 17's free end has worn to twist and has twisted ring 18, installation: the two screwing rings 18 are held by hands to rotate, the external threaded pipe 17 moves downwards along the internal threaded pipe 16, and in the downward moving process, the external threaded pipe 17 pushes the balls 22 on the two sides to move outwards, so that the internal rubber pipe 14 and the external rubber pipe 15 tightly press the wire inlet pipe 3 and the cable.

Example four

As shown in fig. 6, considering that the above-mentioned sealing door 6 needs to be removed when opening the installation components, which is cumbersome and complicated, a sealing door 6 of a second structure is proposed, where the sealing door 6 includes an end cover 24, the end cover 24 is flush with the side surface of the box body 1, an embedded frame 25 is welded to the end surface of the end cover 24, the embedded frame 25 is a rectangular ring structure, and the embedded frame 25 is slidably connected to the inner wall of the box body 1, the same effect is to improve the sealing performance, a through groove 31 for heat dissipation is processed on the side wall of the embedded frame 25, symmetrically arranged hinge lugs 32 are fixed to the inner wall of the end cover 24 through bolts, a connecting rod 33 is hinged to the hinge lugs 32, a cross hinge rod 34 is hinged to the free end of the connecting rod 33, a connecting rod 33 is hinged to the free end of the cross rod 34, a hinge lug 32 fixed to the box body 1 through bolts is hinged to the free end of the connecting rod 33, articulated of cross hinge bar 34 have with box 1 through bolt fastening's electric telescopic handle 29, during the running state, electric telescopic handle 29 extends, drive cross hinge bar 34 angle reduces, promote embedding frame 25 roll-off box 1, and lead to groove 31 and expose outside box 1, be convenient for dispel the heat, and during the biggest stroke of electric telescopic handle 29, can carry out the installation of components and parts, during the flood invasion and attack, electric telescopic handle 29 contracts, drive cross hinge bar 34 angle increase, pull embedding frame 25 and get into in the box 1, and lead to groove 31 and get into in the box 1, realize waterproofly.

Application scenarios and working principles: when a thermal power station carries out power transmission and transformation operation, flood can be prevented during site selection construction, but the high-voltage switch cabinet is attacked during sudden flood or urban inland inundation, and small-scale water quantity can be prevented from being damaged under the waterproof effect of the supporting columns 2; when large-scale water is produced, the sealing door 6 of the fourth embodiment is selected, after the water level rises to the float switch 5, the circuit is switched on, the electric telescopic rod 29 contracts to drive the cross hinged rod 34 to increase in angle, the embedded frame 25 is pulled to enter the box body 1, the through groove 31 enters the box body 1 to achieve water prevention, then the micro vacuum pump 23 is started to pump the interior of the box body 1 into negative pressure, and on the basis of mechanical traction, vacuum traction is assisted, enough time is reserved for power failure, and the water-proof box is safe and reliable; after the water is drained, the float switch 5 descends, the high-voltage switch cabinet enters a normal operation state, the electric telescopic rod 29 extends to drive the cross-shaped hinged rod 34 to reduce the angle, the embedded frame 25 is pushed to slide out of the box body 1, and the through groove 31 is exposed outside the box body 1, so that heat dissipation is facilitated; this application reasonable in design, simple structure, on the basis that has reduced the station service power rate, easy dismounting, the leakproofness is good, and waterproof performance is good, and the radiating effect is good, has promoted power consumption safety greatly.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to one skilled in the art that various changes and modifications can be made, and equivalents can be substituted for elements thereof without departing from the scope of the utility model.

Claims (9)

1. The utility model provides an improvement type KYN type 10kV high tension switchgear, includes box (1), its characterized in that the bottom surface of box (1) is equipped with support column (2), box (1) is a side open-ended cavity structure, the bottom surface of box (1) is equipped with inlet wire pipe (3), is equipped with sealing member (4) on inlet wire pipe (3), the bottom surface of box (1) is equipped with float switch (5), the opening part of box (1) is equipped with sealing door (6), and sealing door (6) pass through float switch (5) control switching.

2. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 1, wherein the opening of said cabinet (1) is flush with the inner wall of said cabinet (1).

3. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 1, wherein said sealing member (4) comprises a rubber plug (7), said rubber plug (7) is of a cylindrical structure, a through hole (8) for passing a cable is disposed at the center of said rubber plug (7), an annular groove (9) concentric with said through hole (8) is disposed on one end surface of said rubber plug (7), and said annular groove (9) is adapted to the wall of said incoming line tube (3).

4. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 1, wherein said sealing member (4) comprises a flexible tube (10) and a rubber plug (11), said flexible tube (10) is inserted into the inner side wall of said inlet tube (3), said rubber plug (11) is a half T-shaped cylindrical structure, a semicircular hole (12) is formed in the center of said rubber plug (11), the vertical section of said rubber plug (11) is inserted into the gap between said flexible tube (10) and said cable, and an inclined plane (13) is formed on the side wall of the vertical section of said rubber plug (11).

5. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 1, wherein said sealing member (4) comprises an inner rubber tube (14) and an outer rubber tube (15), said inner rubber tube (14) is disposed on the outer side wall of the cable, said outer rubber tube (15) is disposed on the inner side wall of the cable inlet tube (3), a screwing ring (18) is disposed in the gap between the inner rubber tube (14) and the outer rubber tube (15), an extension tube (19) is disposed on the end surface of said screwing ring (18), a base ring (20) is disposed at the free end of said extension tube (19), a concentrically disposed tube body (21) is disposed at the free end of the base ring (20), equiangularly disposed balls (22) are disposed on the side wall of the tube body (21), an inner threaded tube (16) is disposed at the free end of the outer tube body (21), an outer threaded tube (17) is threadedly connected to said inner threaded tube (16), and said outer threaded tube (17) can push the balls (22) to press the inner rubber tube (14) and the outer tube (15) against the outer rubber tube (15) during downward movement process 15) The free end of the external thread pipe (17) is provided with a screwing ring (18).

6. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 1, wherein said cabinet (1) is provided with a micro vacuum pump (23) therein, and the port of the micro vacuum pump (23) extends to the outside of the cabinet (1).

7. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 1, wherein said sealing door (6) comprises an end cover (24), said end cover (24) is flush with the side of said box (1), an embedded frame (25) is disposed on the end surface of said end cover (24), said embedded frame (25) is slidably connected with the inner wall of said box (1), said end surface of said end cover (24) is provided with symmetrically arranged heat dissipating ports (26), a convex blocking plate (27) is disposed on the outer side of said heat dissipating ports (26), said blocking plate (27) is adapted to said heat dissipating ports (26), an electric telescopic rod (29) for driving said blocking plate (27) to open or close is fixed on said blocking plate (27) by means of a connecting bolt (28), and the free end of said electric telescopic rod (29) is fixed to said box (1).

8. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 7, wherein the contact position of said end cover (24) and said cabinet body (1) is provided with a sealing ring (30).

9. An improved KYN type 10kV high-voltage switch cabinet as claimed in claim 1, it is characterized in that the sealing door (6) comprises an end cover (24), the end cover (24) is flush with the side surface of the box body (1), an embedded frame (25) is arranged on the end surface of the end cover (24), the embedded frame (25) is connected with the inner wall of the box body (1) in a sliding way, the side wall of the embedded frame (25) is provided with a through groove (31) for heat dissipation, the inner wall of the end cover (24) is provided with hinge lugs (32) which are symmetrically arranged, a connecting rod (33) is hinged on the hinge lug (32), a cross hinge rod (34) is hinged at the free end of the connecting rod (33), a connecting rod (33) is hinged at the free end of the cross-shaped hinged rod (34), a hinged lug (32) fixed with the box body (1) is hinged at the free end of the connecting rod (33), the hinged point of the cross hinged rod (34) is hinged with an electric telescopic rod (29) fixed with the box body (1).

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