CN218005603U

CN218005603U - Anti-interference device of high-low voltage switch cabinet

Info

Publication number: CN218005603U
Application number: CN202222382945.7U
Authority: CN
Inventors: 詹震; 姚茂法; 董泉鑫; 于现虎
Original assignee: Zhejiang Maofeng Electric Co ltd
Current assignee: Zhejiang Maofeng Electric Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-09
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a jam-proof device of high-low voltage switch cabinet, including the cabinet body, recess and cooling tube, the cabinet body encircles its inner wall gomphosis and installs electromagnetic shield plate, the inside both sides of the cabinet body all are provided with the multiunit recess, the cooling tube is installed to the inner wall gomphosis of the cabinet body. The utility model discloses an install portable division board and recess and make high low-voltage switch cabinet be applicable to most high low-voltage switch cabinet's use when having the jam-proof function, portable division board can keep apart the circuit of the internal portion of cabinet, make it can not influence each other, portable division board removes through the recess, the difference through the internal circuit of high low-voltage switch cabinet removes portable division board, can adjust the position of portable division board, adjust the position of division board according to installation electrical components's actual size, portable division board removes and accomplishes the back, bolt and the screw hole that the recess outer wall was equipped with through stationary blade outer wall through the installation fix.

Description

Anti-interference device of high-low voltage switch cabinet

Technical Field

The utility model discloses cubical switchboard jam-proof device technical field specifically is a jam-proof device of high-low voltage switch cabinet.

Background

The anti-interference device for the high-voltage and low-voltage switch cabinets is a container made of metal materials, circuits needing to be protected are placed in the container, interference of an electric field or a magnetic field can be effectively prevented, the method is called as shielding, the shielding can be divided into electrostatic shielding, electromagnetic shielding, low-frequency magnetic shielding and the like, and because the circuit distribution in each high-voltage and low-voltage switch cabinet is different, most of the anti-interference devices are only suitable for extremely individual high-voltage and low-voltage switch cabinets when being installed, and therefore the anti-interference device which can be moved and adjusted through the circuits in the high-voltage and low-voltage switch cabinets needs to be developed.

The existing interference preventing device for the high-low voltage switch cabinet has the following defects:

patent document CN211605735U discloses an anti-interference device of a high-low voltage switch cabinet, and the right item of protection "includes the switch cabinet body, wiring unit and signal introduction unit, the top fixed mounting of the switch cabinet body side has the income wind curb plate, the hole of intaking has been seted up to the inside of the income wind curb plate, the opposite side fixed mounting of the income wind curb plate has air guide box, the opposite side fixed mounting of the switch cabinet body has the air-out curb plate, the exhaust vent has been seted up to the inside of air-out curb plate. The utility model discloses a set up dampproof device, because these devices are all the bottom of installing at the cabinet body to carry out work, when the cubical switchboard was used at the field work, because the change of weather, can lead to the humidity of bottom surface, dampproof device carries out moist stoving to cabinet body bottom portion automatically at the device during operation such as converter this moment, had both avoided the problem that the device damaged, had solved the problem of device work efficiency again, thereby had guaranteed the normal use of devices such as converter ".

However, the high-low voltage switch cabinet disclosed in the above publication mainly considers the function of avoiding the damage of the device, and does not consider whether the switch cabinet is suitable for the installation of most interference-proof devices due to the difference of the internal circuits of the switch cabinet.

Therefore, it is necessary to develop a structure for adjusting the internal space of the high-low voltage switchgear by moving the interference prevention device, and the interference prevention device can be applied to a large number of high-low voltage switchgears.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a jam-proof device of high-low voltage switch cabinet to solve the problem of the adjustment high-low voltage switch cabinet inner space that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

compared with the prior art, the beneficial effects of the utility model are that: the anti-interference device of the high-low voltage switch cabinet comprises a cabinet body, grooves and radiating tubes, wherein the cabinet body is embedded and installed with an electromagnetic shielding plate around the inner wall of the cabinet body;

the outer wall of the groove is provided with two groups of threaded holes which are respectively positioned at two ends of the groove, the inner wall of the groove is provided with a movable isolation plate, and the outer wall of the groove is connected with a fixing plate;

the inside mounting of the cabinet body has the automatic flexible post of multiunit, the inner wall of the cabinet body runs through and is provided with the multiunit louvre.

Preferably, the bottom of the cabinet body is embedded with a heat dissipation plate, and the inner wall of the heat dissipation plate is provided with a first filter screen.

Preferably, an electromagnetic absorber is installed at the inner bottom of the cabinet body, and a grounding end penetrates through the outer wall of the cabinet body.

Preferably, a bolt is installed through an inner wall of the fixing piece.

Preferably, the outer wall of cooling tube runs through and is provided with the multiunit hole, the air discharge fan is installed to the interior bottom of the cabinet body, and the output of air discharge fan is installed in the inner wall of cooling tube.

Preferably, the baffle is installed to the output of automatic flexible post, temperature-sensing ware is installed to the inner wall of the cabinet body, and temperature-sensing ware links to each other with automatic flexible post and air discharge fan electrical property respectively.

Preferably, a second filter screen is installed on the inner wall of the heat dissipation hole.

1. The utility model discloses an install portable division board and recess and make high-low voltage switch cabinet be applicable to the use of most high-low voltage switch cabinet when having the jam-proof function, portable division board can keep apart the circuit of the internal portion of cabinet, make it can not influence each other, the existence of recess can make portable division board move through the recess, can adjust the position of portable division board, adjust the position of division board according to the actual size of installation electrical components, reach the purpose of adjusting the internal space of cabinet, can provide the installation space for electrical components of different sizes, when removing the completion to portable division board, bolt and the screw hole that the recess outer wall was equipped with that can run through the installation of stationary blade outer wall are fixed;

2. the utility model discloses an install automatic flexible post and cooling tube and make high low voltage switch cabinet have automatic heat dissipation function and prevent that its inside overheat from causing the interference to internal circuit, when the internal portion of cabinet is overheated, temperature-sensing ware signals, the air discharge fan and the automatic flexible post that link to each other with the temperature-sensing ware electrical property begin to work, automatic flexible post contracts and drives the baffle removal of its output installation, the louvre can be revealed in the baffle removal, and the air discharge fan rotates, the internal bottom wall of the cabinet body can be carried through the hole that the cooling tube outer wall runs through the setting to the heat of the internal portion of cabinet, the rethread louvre discharges, when the normal back temperature-sensing ware stop signals of temperature, air discharge fan and automatic flexible post stop work, first filter screen and second filter screen can filter the dust in the outside air when the heat dissipation of the cabinet body, the circuit of the internal portion of protection cabinet is not damaged by the dust, and prolonged service life.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the heat dissipation tube and the automatic telescopic column of the present invention;

fig. 4 is a schematic view of the structure of the heat dissipating plate and the first filter screen of the present invention.

In the figure: 1. a cabinet body; 101. a heat dissipation plate; 102. a first filter screen; 2. an electromagnetic shield plate; 201. an electromagnetic absorber; 202. a ground terminal; 3. a groove; 301. a threaded hole; 302. a movable separator plate; 4. a fixing sheet; 401. a bolt; 5. a radiating pipe; 501. a hole; 502. an exhaust fan; 6. automatically telescoping the column; 601. a baffle plate; 602. a temperature sensor; 7. heat dissipation holes; 701. and a second filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or circuit to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; the two circuits can be directly connected or indirectly connected through an intermediate medium, and the two circuits can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, an anti-interference device for a high-voltage and low-voltage switch cabinet includes a cabinet body 1, grooves 3 and heat dissipation pipes 5, the cabinet body 1 is provided with electromagnetic shielding plates 2 around the inner wall thereof, both sides of the inner wall of the cabinet body 1 are provided with a plurality of groups of grooves 3, the inner wall of the cabinet body 1 is provided with the heat dissipation pipes 5, the bottom of the cabinet body 1 is provided with the heat dissipation plate 101, the inner wall of the heat dissipation plate 101 is provided with a first filter screen 102, the inner bottom of the cabinet body 1 is provided with an electromagnetic absorber 201, the outer wall of the cabinet body 1 is provided with a grounding terminal 202 in a penetrating manner, the cabinet body 1 is provided with the electromagnetic shielding plates 2 around the inner wall thereof, so as to shield external electromagnetic signals and prevent the electromagnetic absorber 201 from interfering with circuits inside the high-voltage and low-voltage switch cabinet, the electromagnetic absorber 201 can absorb electromagnetic signals sent by the main circuit of the high-voltage and low-voltage switch cabinet body and prevent the self-interference, and the grounding terminal 202 can transmit static electricity generated inside the cabinet body 1 to the ground so that the external interference electric field does not affect the internal circuits.

Referring to fig. 2, the outer wall of the groove 3 is provided with two groups of threaded holes 301, the threaded holes 301 are respectively located at two ends of the groove 3, the inner wall of the groove 3 is provided with a movable isolation plate 302, the outer wall of the groove 3 is connected with a fixing plate 4, the inner wall of the fixing plate 4 is provided with a bolt 401 in a penetrating manner, the movable isolation plate 302 can isolate circuits inside the cabinet body 1, so that the circuits cannot be influenced mutually, the movable isolation plate 302 can move through the groove 3 due to the existence of the groove 3, the position of the movable isolation plate 302 can be adjusted, the position of the isolation plate 302 can be adjusted according to the actual size of the installed electrical component, the purpose of adjusting the internal space of the cabinet body 1 is achieved, installation space can be provided for electrical components of different sizes, and after the movable isolation plate 302 is moved, the bolts 401 installed through the outer wall of the fixing plate 4 and the threaded holes 301 arranged on the outer wall of the groove 3 can be used for fixing.

Referring to fig. 3 and 4, a plurality of sets of automatic telescopic pillars 6 are installed inside the cabinet 1, a plurality of sets of heat dissipation holes 7 are installed through the inner wall of the cabinet 1, a plurality of sets of holes 501 are installed through the outer wall of the heat dissipation pipe 5, an exhaust fan 502 is installed at the inner bottom of the cabinet 1, the output end of the exhaust fan 502 is installed on the inner wall of the heat dissipation pipe 5, a baffle 601 is installed at the output end of the automatic telescopic pillar 6, a temperature sensor 602 is installed on the inner wall of the cabinet 1, the temperature sensor 602 is electrically connected with the automatic telescopic pillar 6 and the exhaust fan 502, a second filter 701 is installed on the inner wall of the heat dissipation hole 7, when the cabinet 1 is overheated, the temperature sensor 602 sends a signal, the exhaust fan 502 and the automatic telescopic pillar 6 electrically connected with the temperature sensor 602 start to operate, the automatic telescopic pillar 6 retracts to drive the baffle 601 installed at the output end to move, the baffle 601 moves to expose the second filter 701, when the temperature sensor 602 stops working, the heat inside the cabinet 1 is conveyed to the inner bottom wall of the cabinet 1 through the holes 501 arranged on the outer wall of the heat dissipation pipe 5, and the second filter 701 protects the dust from being damaged outside the cabinet 1.

The working principle is that the cabinet body 1 surrounds the electromagnetic shielding plate 2 embedded and installed on the inner wall of the cabinet body 1, the electromagnetic shielding plate can shield external electromagnetic signals and prevent the electromagnetic signals from interfering circuits inside the high-voltage and low-voltage switch cabinet, the electromagnetic absorber 201 can absorb the electromagnetic signals sent by the high-voltage and low-voltage switch cabinet body circuit and prevent the electromagnetic signals from interfering with the circuits, the grounding end 202 can transmit static electricity generated inside the cabinet body 1 to the ground so that an external interference electric field cannot influence the internal circuits, the movable isolation plate 302 can isolate the circuits inside the cabinet body 1 and cannot influence each other, the movable isolation plate 302 can move through the groove 3 due to the existence of the groove 3, the position of the movable isolation plate 302 can be adjusted, the position of the isolation plate 302 can be adjusted according to the actual size of installed electrical components, the purpose of adjusting the internal space of the cabinet body 1 is achieved, after the movable isolation plate 302 is moved, the temperature sensor 602 can send a signal when the cabinet 1 is overheated, the exhaust fan 502 and the automatic telescopic column 6 electrically connected with the temperature sensor 602 start to work, the automatic telescopic column 6 contracts to drive the baffle 601 mounted at the output end to move, the heat in the cabinet 1 can be transmitted to the inner bottom wall of the cabinet 1 through the hole 501 arranged on the outer wall of the radiating pipe 5 and then discharged through the heat radiating hole 7, the temperature sensor 602 stops sending a signal when the temperature is normal, the exhaust fan 502 and the automatic telescopic column 6 stop working, the first filter screen 102 and the second filter screen 701 can filter dust in the outside air when the cabinet 1 dissipates heat, and the circuit in the cabinet 1 is protected from being damaged by the dust, the service life is prolonged.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-low voltage switch cabinet's jam-proof device, includes the cabinet body (1), recess (3) and cooling tube (5), its characterized in that: the cabinet body (1) is provided with electromagnetic shielding plates (2) around the inner wall in an embedded mode, a plurality of groups of grooves (3) are formed in the two sides of the inner wall of the cabinet body (1), and radiating pipes (5) are arranged on the inner wall of the cabinet body (1) in an embedded mode;

the outer wall of the groove (3) is provided with two groups of threaded holes (301), the number of the threaded holes (301) is two, the two groups of threaded holes are respectively positioned at two ends of the groove (3), the inner wall of the groove (3) is provided with a movable isolation plate (302), and the outer wall of the groove (3) is connected with a fixing plate (4);

the multifunctional cabinet is characterized in that a plurality of groups of automatic telescopic columns (6) are arranged inside the cabinet body (1), and a plurality of groups of radiating holes (7) are arranged on the inner wall of the cabinet body (1) in a penetrating manner.

2. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: the bottom of the cabinet body (1) is embedded with a heat dissipation plate (101), and the inner wall of the heat dissipation plate (101) is provided with a first filter screen (102).

3. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: electromagnetic absorber (201) are installed to the interior bottom of the cabinet body (1), earthing terminal (202) are installed in the outer wall run-through of the cabinet body (1).

4. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: and a bolt (401) is installed on the inner wall of the fixing piece (4) in a penetrating way.

5. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: the outer wall of cooling tube (5) runs through and is provided with multiunit hole (501), air discharge fan (502) are installed to the interior bottom of the cabinet body (1), and the inner wall in cooling tube (5) is installed to the output of air discharge fan (502).

6. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: baffle (601) are installed to the output of automatic flexible post (6), temperature-sensing ware (602) are installed to the inner wall of the cabinet body (1), and temperature-sensing ware (602) link to each other with automatic flexible post (6) and air discharge fan (502) electrical property respectively.

7. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: and a second filter screen (701) is installed on the inner wall of the heat dissipation hole (7).