CN114284092A

CN114284092A - Safety switch for humid environment

Info

Publication number: CN114284092A
Application number: CN202111659721.XA
Authority: CN
Inventors: 卓清良; 钟少云
Original assignee: Guangxi Hongxin Texi Intelligent Technology Development Co ltd
Current assignee: Guangxi Hongxin Texi Intelligent Technology Development Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-04-05

Abstract

The invention provides a safety switch for a humid environment. The switch is characterized in that a partition board is transversely arranged in the switch main body, and the partition board sequentially divides the interior of the switch main body into a wiring chamber and a control chamber from bottom to top. Two sets of conductive structures are symmetrically arranged at the bottom in the wiring chamber. The partition board is provided with a sliding structure capable of sliding up and down, the sliding structure is provided with a conducting ring used for connecting the two conducting structures, and an elastic structure is arranged between the lower end of the sliding structure and the bottom of the switch main body. A shifting rod is hinged in the control cavity, a shifting piece is arranged at the lower end of the shifting rod, and the shifting piece can press the sliding structure downwards along with the rotation of the shifting rod. The invention arranges the electromagnet and the humidity sensor in the switch main body. The humidity in the switch main body can be monitored, and when the humidity exceeds a preset value, the switch is disconnected by the electromagnet, so that short circuit is prevented. Meanwhile, the hot air structure can timely dehumidify the interior of the switch main body so as to recover normal use as soon as possible.

Description

Safety switch for humid environment

Technical Field

The invention belongs to the technical field of safety switches, and particularly relates to a safety switch for a humid environment.

Background

If the humidity is too big or the condensation phenomenon takes place inside switchgear, arouse electric leakage, inside short circuit accident that takes place easily, cause serious consequence, among the present electric power system, more and more novel switchgear, its inner space is very compact, for guaranteeing at the inside insulating level in high humid area, guarantees device reliable operation, has proposed higher requirement to dampproofing, preventing the condensation in the equipment.

In accordance with the technical problems in the prior art, the present invention provides a safety switch for a humid environment.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a safety switch for a humid environment.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the utility model provides a safety switch for humid environment, includes the switch main part, and the switch main part is provided with open-ended shell structure for the upper end. Transversely be provided with the baffle in the switch main part, the baffle is separated the inside of switch main part for wiring cavity and control cavity by supreme down in proper order, and the left and right sides symmetry of switch main part bottom is provided with binding post simultaneously. Two sets of conductive structures are symmetrically arranged at the bottom in the wiring cavity, and rare gas is filled in the wiring cavity. The conductive structures are electrically connected with the corresponding conductive terminals respectively. The partition board is provided with a sliding structure capable of sliding up and down, the sliding structure is provided with a conducting ring used for connecting the two conducting structures, and an elastic structure is arranged between the lower end of the sliding structure and the bottom of the switch main body. A shifting rod is hinged in the control cavity, a shifting piece is arranged at the lower end of the shifting rod, and the shifting piece can press the sliding structure downwards along with the rotation of the shifting rod.

Preferably, the sliding structure comprises a sliding column and a sleeve ring, the sleeve ring is fixedly arranged on the partition plate, and the sliding column is arranged in the sleeve ring in a sliding manner. A plurality of annular grooves are formed in the inner wall of the lantern ring, and sealing rings are arranged in the annular grooves. The lower extreme downwardly extending of slip post is provided with the extension post, and the conducting ring suit sets up on the extension post.

Preferably, the upper end of the deflector rod extends to the outside of the switch main body through an opening at the upper end of the switch main body, the upper part of the deflector rod is hinged with a movable rod capable of sliding transversely, one side of the deflector rod is provided with an electromagnet, and the other side of the deflector rod is provided with a sleeve. The electromagnet is fixedly connected with the switch main body, an iron sheet is fixedly arranged at one end, close to the electromagnet, of the movable rod, and the other end of the movable rod extends into the sleeve.

Preferably, the gas charging device further comprises a gas charging valve, wherein the gas charging valve is positioned in the wiring chamber and fixed on the switch main body and used for charging rare gas into the wiring chamber.

Preferably, still include control module, control module includes microprocessor and humidity transducer, and humidity transducer is provided with in the wiring chamber, and humidity transducer is connected with the microprocessor electricity, and the solenoid valve is connected with the microprocessor electricity.

Preferably, still include hot-blast structure, hot-blast structure sets up the left side of switch main part, and the position that corresponds hot-blast structure on the switch main part is provided with the air intake. The hot air structure comprises a hot air cover body, a fan and a heating wire, wherein the fan and the heating wire are arranged in the hot air cover body, the fan is arranged on the left side of the heating wire, and an air inlet grid is arranged on the left side of the hot air cover body. The right side of the switch main body is provided with an air outlet, and a detachable sealing plug is arranged in the air outlet. The hot air structure is electrically connected with the microprocessor, and the microprocessor can control the hot air structure to perform air drying in the wiring cavity.

Preferably, conducting structure includes fixed block, conducting strip and conductor wire, and the fixed block is fixed in the bottom of wiring cavity and with switch bulk phase fixed connection. The fixed block is provided with a fixed groove for fixing the conducting strip, and the conducting strip is fixedly arranged in the fixed groove. One end of the conductive wire is electrically connected with the conductive sheet, and the other end of the conductive wire is electrically connected with the corresponding wiring terminal.

Preferably, the elastic structure includes cushion and spring, and the cushion is fixed to be set up in the bottom of wiring cavity and with switch bulk phase fixed connection. The spring sets up between extension post and cushion, and the lower extreme of extension rod and the upper end of cushion all extend to the spring in and are provided with the guide post.

The invention has the following positive effects:

the invention arranges the electromagnet and the humidity sensor in the switch main body. The humidity in the switch main body can be monitored, and when the humidity exceeds a preset value, the switch is disconnected by the electromagnet, so that short circuit is prevented. Meanwhile, the hot air structure can timely dehumidify the interior of the switch main body so as to recover normal use as soon as possible.

Drawings

In order that the present disclosure may be more readily understood, the present disclosure is further described in connection with the following detailed description of the specific embodiments taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic diagram of a safety switch for use in a wet environment in accordance with the present invention;

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

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

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

fig. 5 is a schematic structural diagram of a control module in a safety switch for a wet environment according to the present invention.

Reference numerals:

1. a switch main body; 2. a partition plate; 3. a wiring chamber; 4. a control chamber; 401. a deflector rod; 402. a shifting sheet; 403. a travel bar; 404. an electromagnet; 405. a sleeve; 5. a wiring terminal; 6. a conductive structure; 601. a fixed block; 6011. fixing the groove; 602. a conductive sheet; 603. a conductive wire; 7. a sliding structure; 701. a slider; 702. a sliding post; 703. a collar; 7031. an annular groove; 704. a seal ring; 705. extending the column; 8. an elastic structure; 801. cushion blocks; 802. a spring; 803. a guide post; 9. a control module; 901. a microprocessor; 902. a humidity sensor; 10. an inflation valve; 11. a hot air structure; 12. an air inlet; 13. a hot air hood body; 14. a fan; 15. an electric heating wire; 16. an air inlet grid; 17. an air outlet; 18. and (4) sealing the plug.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "back-up", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the devices or elements 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.

Fig. 1 is a schematic view showing the construction of a safety switch for a wet environment according to the present invention. A safety switch for a humid environment comprises a switch main body 1, wherein the upper end of the switch main body 1 is provided with an open shell structure. Wherein transversely be provided with baffle 2 in the switch main part 1, baffle 2 separates switch main part 1's inside from lower supreme for wiring cavity 3 and control cavity 4 in proper order, but baffle 2 and safety switch main part 1 integrated into one piece preparation. Meanwhile, the left side and the right side of the bottom of the switch main body 1 are symmetrically provided with the wiring terminals 5, and the wiring terminals 5 can be connected with external electric wires.

Two sets of conductive structures 6 are symmetrically arranged at the bottom in the wiring cavity 3, and rare gas is filled in the wiring cavity 3 to prevent electric sparks in the wiring cavity 3 from causing faults when the wiring cavity is opened and closed, wherein the conductive structures are respectively electrically connected with corresponding conductive terminals.

A sliding structure 7 capable of sliding up and down is arranged on the partition board 2, a conductive ring 701 for connecting the two conductive structures 6 is arranged on the sliding structure 7, and an elastic structure 8 is arranged between the lower end of the sliding structure 7 and the bottom of the switch main body 1.

A shifting rod 401 is hinged in the control chamber 4, a shifting piece 402 is arranged at the lower end of the shifting rod 401, and the shifting piece 402 can press the sliding structure 7 down along with the rotation of the shifting rod 401. The upper end of the shifting lever 401 can be provided with a ball head, which is convenient for a user to pull the shifting lever 401. The shifting piece 402 is configured to be arc-shaped, so that when the user pulls the shifting rod 401, the shifting piece 402 can press down the sliding structure 7.

Referring to fig. 3, the sliding structure 7 includes a sliding column 702 and a collar 703, the collar 703 is fixedly mounted on the partition plate 2, the collar 703 is in sealed connection with the partition plate 2, and the sliding column 702 is slidably disposed in the collar 703.

A plurality of annular grooves 7031 are formed in the inner wall of the collar 703, and sealing rings 704 are arranged in the annular grooves 7031. A sealing ring 704 is used to seal between the sliding post 702 and the collar 703. The moisture air or moisture is prevented from entering the wiring cavity 3, so that the switch is waterproof without influencing the operation of the switch.

An extension column 705 extends downwards from the lower end of the sliding column 702, and the conductive ring 701 is sleeved on the extension column 705. The conductive loop 701 may descend and ascend with the extended column 705 and may connect and disconnect the conductive sheets 602 in the two conductive structures 6 to effect power on and off.

Further, an upper end of the lever 401 extends to the outside of the switch main body 1 through an opening at an upper end of the switch main body 1, so that a user can pull the lever 401. The upper part of the shifting lever 401 is hinged with a movable rod 403 which can slide transversely, the movable rod 403 is positioned inside the switch main body 1, one side of the shifting lever 401 is provided with an electromagnet 404, and the other side is provided with a sleeve 405.

The electromagnet 404 is connected and fixed with the switch body 1, one end of the moving rod 403 close to the electromagnet 404 is fixedly provided with an iron sheet, and the other end extends into the sleeve 405. The other end of the moving rod 403 is slidable within a sleeve 405 to maintain the straightness of the movement of the moving rod 403.

Further, the gas charging device further comprises a gas charging valve 10, wherein the gas charging valve 10 is located on the side wall of the wiring chamber 3, is fixed on the switch main body 1, and is used for filling rare gas into the wiring chamber 3.

See fig. 5, further comprising a control module 9 comprising a microprocessor 901 and a humidity sensor 902. A humidity sensor 902 is provided in the wiring chamber 3 to monitor the humidity in the wiring chamber 3. Meanwhile, the humidity sensor 902 is electrically connected with the microprocessor 901 to transmit the monitored humidity data to the microprocessor 902, and the microprocessor 901 can analyze the humidity data and compare the monitored humidity data with a preset humidity value.

Wherein the electromagnet 404 is electrically connected with the microprocessor 901, and the microprocessor 901 can control the electromagnet 404 to be switched on and off.

See fig. 2, and also includes a hot air structure 11. Wherein hot-blast structure 11 sets up the left side of switch main part 1, and the position that corresponds hot-blast structure 11 on the switch main part 1 is provided with air intake 12. The hot air structure 11 includes a hot air cover 13, a fan 14 and a heating wire 15, the fan 13 and the heating wire 15 are disposed in the hot air cover 13, the fan 14 is disposed on the left side of the heating wire 15, and a plurality of air inlet grids 16 are disposed on the left side of the hot air cover 13. An air outlet 17 is arranged on the right side of the switch main body 1, and a detachable sealing plug 18 is arranged in the air outlet 17. The hot air structure 11 is electrically connected with the microprocessor 901, and the microprocessor can control the hot air structure to perform air drying in the wiring cavity.

Further, the conductive structure 6 includes a fixing block 601, a conductive sheet 602 and a conductive wire 603, and the fixing block 601 is fixed at the bottom of the wiring chamber 3 and is fixedly connected to the switch body 1.

The fixing block 601 is provided with a fixing groove 6011 for fixing the conductive sheet 602, and the conductive sheet 602 is fixedly disposed in the fixing groove 6011. The conductive sheet 602 is in the shape of a circular arc, and the radius of the inner arc of the conductive sheet 602 is the same as the radius of the outer ring of the conductive ring 701. The conductive sheet 602 may be in abutting contact with the conductive ring 701.

One end of the conductive wire 603 is electrically connected to the conductive sheet 602, and the other end is electrically connected to the corresponding connection terminal 5.

Referring to fig. 4, the elastic structure 8 includes a pad 801 and a spring 802, and the pad 801 is fixedly disposed at the bottom of the wiring chamber 3 and is fixedly connected to the switch main body 1. The spring 801 is arranged between the extension column 705 and the cushion block 801, and the lower end of the extension column 705 and the upper end of the cushion block 801 are both provided with a guide column 803 extending into the spring 802. The guide 803 allows the spring 802 to expand and contract in the same line.

The working principle is as follows:

when microprocessor finds that the data of humidity transducer monitoring is greater than the default, microprocessor control solenoid valve circular telegram this moment, attracts the paster that sets up in carriage release lever one end, stirs the driving lever and breaks off the switch, opens sealed lid simultaneously, and microprocessor control hot-blast structure is to the dehumidification of blowing in the wiring cavity, closes sealed lid again after the dehumidification is accomplished, opens the switch, normal work again.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions, all of which are within the scope of the claims appended hereto.

Claims

1. A safety switch for a humid environment, characterized in that: comprises a switch main body, the switch main body is a shell structure with an opening at the upper end,

a partition board is transversely arranged in the switch main body, the partition board divides the interior of the switch main body into a wiring chamber and a control chamber from bottom to top in sequence, and meanwhile, the left side and the right side of the bottom of the switch main body are symmetrically provided with wiring terminals;

two sets of conductive structures are symmetrically arranged at the bottom in the wiring cavity, and rare gas is filled in the wiring cavity; the conductive structures are respectively electrically connected with the corresponding conductive terminals;

the switch is characterized in that a sliding structure capable of sliding up and down is arranged on the partition plate, a conducting ring used for connecting the two conducting structures is arranged on the sliding structure, and an elastic structure is arranged between the lower end of the sliding structure and the bottom of the switch main body.

The control cavity is internally hinged with a shifting lever, the lower end of the shifting lever is provided with a shifting piece, and the shifting piece can press the sliding structure downwards along with the rotation of the shifting lever.

2. A safety switch for wet environments, according to claim 1, characterized in that: the sliding structure comprises a sliding column and a sleeve ring, the sleeve ring is fixedly arranged on the partition plate, and the sliding column is arranged in the sleeve ring in a sliding manner;

a plurality of annular grooves are formed in the inner wall of the lantern ring, and sealing rings are arranged in the annular grooves;

the lower extreme downwardly extending of slip post is provided with the extension post, the conducting ring suit set up in on the extension post.

3. A safety switch for wet environments, according to claim 2, characterized in that: the upper end of the deflector rod extends to the outside of the switch main body through an opening at the upper end of the switch main body, the upper part of the deflector rod is hinged with a movable rod capable of sliding transversely, one side of the deflector rod is provided with an electromagnet, and the other side of the deflector rod is provided with a sleeve;

the electromagnet with the switch bulk phase is connected fixedly, the carriage release lever is close to the fixed iron sheet that is provided with in one end of electromagnet, and the other end extends to in the sleeve.

4. A safety switch for wet environments, according to claim 3, characterized in that: the switch is characterized by further comprising an inflation valve, wherein the inflation valve is located in the wiring cavity and fixed on the switch main body and used for filling rare gas into the wiring cavity.

5. The safety switch for wet environment according to claim 4, wherein: still include control module, control module includes microprocessor and humidity transducer, humidity transducer is provided with in the wiring chamber, humidity transducer with the microprocessor electricity is connected, the solenoid valve with the microprocessor electricity is connected.

6. A safety switch for wet environments, according to claim 5, characterized in that: the hot air structure is arranged on the left side of the switch main body, and an air inlet is formed in the position, corresponding to the hot air structure, of the switch main body;

the hot air structure comprises a hot air cover body, a fan and an electric heating wire, wherein the fan and the electric heating wire are arranged in the hot air cover body, the fan is arranged on the left side of the electric heating wire, and an air inlet grid is arranged on the left side of the hot air cover body;

an air outlet is formed in the right side of the switch main body, and a detachable sealing plug is arranged in the air outlet;

the hot air structure is electrically connected with the microprocessor, and the microprocessor can control the hot air structure to perform air drying in the wiring cavity.

7. A safety switch for wet environments, according to claim 6, characterized in that: the conductive structure comprises a fixed block, a conductive sheet and a conductive wire, and the fixed block is fixed at the bottom of the wiring cavity and is fixedly connected with the switch main body;

the fixed block is provided with a fixed groove for fixing the conducting strip, and the conducting strip is fixedly arranged in the fixed groove;

one end of the conductive wire is electrically connected with the conductive sheet, and the other end of the conductive wire is electrically connected with the corresponding wiring terminal.

8. A wet environment safety switch according to claim 7: the method is characterized in that: the elastic structure comprises a cushion block and a spring, and the cushion block is fixedly arranged at the bottom of the wiring cavity and is fixedly connected with the switch main body;

the spring set up in extend between post and the cushion, the lower extreme of extension rod and the upper end of cushion all extend to the spring in and are provided with the guide post.