CN110880661B - Damp-proof electrical equipment shell - Google Patents
Damp-proof electrical equipment shell Download PDFInfo
- Publication number
- CN110880661B CN110880661B CN201911208595.9A CN201911208595A CN110880661B CN 110880661 B CN110880661 B CN 110880661B CN 201911208595 A CN201911208595 A CN 201911208595A CN 110880661 B CN110880661 B CN 110880661B
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- Prior art keywords
- main shell
- cavity
- piston cylinder
- plunger
- electrical equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention belongs to the technical field of electrical equipment accessories, and particularly relates to a moistureproof electrical equipment shell which comprises a main shell, wherein a cavity is formed in the side wall of the main shell, and a ventilation mechanism and a power mechanism are arranged in the cavity; the ventilation mechanism comprises a piston cylinder, a plunger is connected in the piston cylinder in a sliding manner, a magnet is arranged on the plunger, and a reset piece is connected between the plunger and the piston cylinder; the power mechanism is used for driving the plunger to slide in a reciprocating manner; an electric heating wire is arranged in the piston cylinder, a conductive coil is encircled outside the piston cylinder, and two ends of the conductive coil are connected with the electric heating wire; the piston cylinder is provided with a one-way exhaust valve and a one-way intake valve which can be communicated with the outside; the outer wall of the main shell is provided with an exhaust port, and the inner wall of the main shell is provided with an air inlet. The main shell of this scheme of use can effectively avoid main shell inner wall to produce the water smoke, leads to the electrical equipment short circuit.
Description
Technical Field
The invention belongs to the technical field of electrical equipment accessories, and particularly relates to a moistureproof electrical equipment shell.
Background
Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems. The important role played by electric power in our life and production is not ignored, brings great convenience to our life, and becomes an important energy source in our production and life. The most critical factor for normal operation and transmission of electric power in a power plant is the electrical equipment, and the method has very important significance for ensuring normal power supply and stable operation of the electrical equipment.
Electrical devices are used in different environments and face different problems. Electrical equipment is because each part lasts work, and inside temperature is higher, and in winter, if electrical equipment uses in the higher place of humidity, because the inside and outside temperature difference of electrical equipment, when the higher gas of electrical equipment inside temperature contacted with electrical equipment's main shell (the temperature of electrical equipment main shell is lower than the inside temperature of electrical equipment), the water droplet is even become to the easy condensation, and water can make the inside spare part of electrical equipment rust or take place the short circuit, seriously influences electrical equipment's steady operation.
Disclosure of Invention
The invention aims to provide a moistureproof electrical equipment shell to solve the problem that water mist is easily generated in electrical equipment when the electrical equipment is used in places with high humidity in winter.
In order to achieve the purpose, the scheme of the invention is as follows: a damp-proof electrical equipment shell is characterized in that a cavity is formed in the side wall of a main shell, and a ventilation mechanism and a power mechanism are arranged in the cavity; the ventilation mechanism comprises a piston cylinder, a plunger is connected in the piston cylinder in a sliding manner, a magnet is arranged on the plunger, and a reset piece is connected between the plunger and the piston cylinder; the power mechanism is used for driving the plunger to slide in a reciprocating manner; an electric heating wire is arranged in the piston cylinder, a conductive coil is encircled outside the piston cylinder, and two ends of the conductive coil are connected with the electric heating wire; the piston cylinder is provided with a one-way exhaust valve and a one-way intake valve which can be communicated with the outside; the outer wall of the main shell is provided with an exhaust port, and the inner wall of the main shell is provided with an air inlet.
The working principle of the scheme is as follows: when the electric equipment is installed at a place with higher humidity, water mist is easily generated in the electric equipment in winter, and at the moment, the power mechanism is started and drives the plunger to slide along the inner wall of the piston cylinder in a reciprocating mode. When the plunger slides in a reciprocating mode, the magnet is driven to move together, in the moving process of the magnet, the wire on the wire ring cuts the magnetic induction wire of the magnet, and current is generated in the wire ring, so that the electric heating wire can be electrified to generate heat. When the plunger slides to one side far away from the piston cylinder, the pressure in the piston cylinder is reduced, the one-way air inlet valve is automatically opened, and external air enters the piston cylinder through the one-way air inlet valve and is heated by the electric heating wire; when the plunger extrudes gas in the piston cylinder, the pressure in the piston cylinder is increased, the one-way exhaust valve is automatically opened, the gas heated by the electric heating wire in the piston cylinder enters the cavity through the one-way exhaust valve and then enters the main shell through the air inlet, and if water mist exists in the main shell at the moment, the gas can dry the electric equipment in the main shell, so that the short circuit of the electric equipment caused by the water mist is avoided. And finally, the gas is discharged from the gas outlet, and certain water vapor can be taken away when the gas is discharged.
The beneficial effect of this scheme lies in:
1. the cavity is formed in the side wall of the main shell, gas heated by the electric heating wires is filled in the cavity, the main shell can keep higher temperature, the temperature difference between the main shell and the electric equipment in the main shell is not large, and water mist generated on the inner wall of the main shell can be effectively avoided.
2. In the process that the power mechanism drives the piston to reciprocate and move far, the generated gas can flow in the cavity and the main shell, and the flowing gas can effectively take away water vapor in the main shell, so that water mist generated in the main shell is avoided.
3. Except can producing gas in the piston motion process, can also make the guide way that lead coil and electric heating wire constitute generate current for electric heating wire can generate heat automatically, heats gas, need not additionally to set up power, reduce cost.
Optionally, the power mechanism comprises a first motor mounted on the main housing, and a cam capable of contacting the plunger is connected to an output shaft of the first motor. The first motor drives the cam to rotate, and acting force can be applied to the plunger in the rotating process of the cam, so that the plunger slides along the piston cylinder in a reciprocating mode.
Optionally, the power mechanism includes a second motor mounted on the main housing, an output shaft of the second motor is connected to a disk, and a driving rod is disposed at an eccentric position of the disk; sliding connection has the removal frame that can contact with the plunger in the cavity, removes to open on the frame and has the bar groove, and the actuating lever block can order about to remove the reciprocal slip of frame in the bar groove. The second motor drives the disc and the driving rod on the disc to rotate, the driving rod applies acting force to the moving frame, so that the moving frame reciprocates, and the acting force is applied to the plunger in the reciprocating movement process of the moving frame, so that the plunger can slide along the piston cylinder in a reciprocating manner.
Optionally, both sides of the movable frame are provided with limiting grooves perpendicular to the strip-shaped grooves, and the main shell is provided with a fixing block with one side connected in the limiting grooves in a sliding manner.
Optionally, the movable frame is provided with a positioning groove communicated with the limiting groove, and the fixing block is fixed with a clamping block clamped in the positioning groove. The constant head tank has the location effect to removing the frame, can avoid removing the frame and drop from the main casing.
Optionally, a partition plate for partitioning the cavity into an upper cavity and a lower cavity is arranged in the cavity, and the piston cylinder is positioned in the lower cavity; the air inlet is communicated with the lower cavity, and the air outlet is communicated with the upper cavity; the inner wall of the main shell is also provided with an inlet communicated with the upper cavity, and the inlet are respectively positioned on two opposite inner walls of the main shell. The gas discharged from the piston cylinder firstly enters the lower cavity, then enters the main shell through the gas inlet, then enters the upper cavity through the inlet, and finally is discharged from the gas outlet, and the gas flows along the fixed channel in the main shell and can be distributed at each part in the main shell, so that the gas is favorable for taking away the water vapor in the main shell.
Optionally, the main housing is an insulating plastic main housing.
Optionally, a horizontally arranged communication groove is formed in the inner wall of the main shell; an inflator is also arranged in the cavity, a plunger driven by a power mechanism to slide in a reciprocating manner is connected in the inflator in a sliding manner, and an elastic part is connected between the plunger and the inflator; the cavity is internally provided with a corrugated pipe communicated with the inflator pump, the corrugated pipe is provided with a connecting rod, one side of the connecting rod penetrates through the communicating groove and is positioned in the main shell, the connecting rod is provided with a wiping rod used for wiping the inner wall of the main shell, and the wiping rod is provided with a wiping strip contacted with the inner wall of the main shell.
The power mechanism drives the plug to slide back and forth along the inner wall of the inflator pump, when the plug extrudes gas in the inflator pump, the gas in the inflator pump enters the corrugated sleeve to stretch and expand the corrugated sleeve, in the process, the corrugated sleeve drives the connecting rod and the wiping rod on the connecting rod to move, the wiping strip on the wiping rod wipes the inner wall of the main shell, and water mist on the inner wall of the main shell can be wiped. When the plug slides to the side far away from the inflator, the pressure in the inflator is reduced, the gas in the corrugated sleeve is supplemented into the inflator, the corrugated sleeve contracts, and the corrugated sleeve drives the connecting rod and the wiping rod on the connecting rod to move again.
Optionally, the wiping rod is shaped like Jiong, and the wiping rod is opposite to the left and right side walls and the upper side wall of the inner wall of the main shell. The wiping rod is designed into an Jiong shape, and the wiping strips on the wiping rod can be contacted with three side walls in the inner wall of the main shell, so that the wiping rod can wipe water mist on the inner wall of the main shell more fully.
Optionally, the resilient member is a tension spring.
Drawings
FIG. 1 is a top cross-sectional view of a moisture-resistant electrical equipment housing in accordance with one embodiment 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 top cross-sectional view of a moisture-resistant electrical equipment housing in accordance with a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a power mechanism of a moisture-proof electrical device housing according to a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a main shell 10, a cavity 11, a fixed block 12, a second motor 20, a disc 21, a driving rod 211, a corrugated pipe 30, a connecting rod 31, a wiping rod 32, a wiping strip 33, a moving frame 40, a limiting groove 41, a piston cylinder 50, a plunger 51, a resetting piece 52, a one-way air inlet valve 53, a one-way air outlet valve 54, an electric heating wire 55, a wire coil 56, an inflator 60, an elastic piece 61, a plug 62, a first motor 70 and a cam 71.
Example one
This embodiment is substantially as shown in fig. 1: a moistureproof electrical equipment shell comprises a main shell 10, wherein the main shell 10 is an insulating plastic main shell 10, and cavities 11 which are communicated with each other are formed in all side walls except the lower side wall of the main shell 10. A partition plate for partitioning the cavity 11 into an upper cavity and a lower cavity is arranged in the cavity 11, and the partition plate is fixedly arranged on the main shell 10. A horizontally arranged communicating groove is formed on the inner wall of the left side of the main shell 10; an air inlet and an inlet are formed in the inner wall of the main shell 10, the air inlet is communicated with the lower cavity, the inlet is communicated with the upper cavity, and the inlet and the air inlet are respectively positioned on two opposite inner walls of the main shell 10; the outer wall of the main shell 10 is provided with an exhaust port communicated with the upper cavity.
A power mechanism and a ventilation mechanism are arranged in the cavity 11, the ventilation mechanism includes a piston cylinder 50, as shown in fig. 3, a plunger 51 is slidably and hermetically connected in the piston cylinder 50, a magnet is fixedly mounted on the plunger 51, a reset piece 52 is connected between the plunger 51 and the piston cylinder 50, the reset piece 52 is a spring in this embodiment, one end of the spring is connected to the plunger 51, and the other end of the spring is connected to the inner wall of the piston cylinder 50. An electric heating wire 55 is installed in the piston cylinder 50, a conductive coil 56 is wound around the outside of the piston cylinder 50, both ends of the conductive coil 56 are connected with the electric heating wire 55, and the conductive coil 56 and the electric heating wire 55 form a closed guide path. During the reciprocating sliding of the plunger 51 along the piston cylinder 50, the wire cuts the magnetic induction line of the magnet on the plunger 51, and current is generated in the wire coil 56, so that the electric heating wire 55 can be electrified to generate heat. The piston cylinder 50 is provided with a one-way exhaust valve 54 and a one-way intake valve 53 which can be communicated with the outside, when the pressure in the piston cylinder 50 is increased, the one-way exhaust valve 54 is automatically opened, and the gas heated by the electric heating wire 55 in the piston cylinder 50 enters the cavity 11 through the one-way exhaust valve 54; when the pressure in the piston cylinder 50 decreases, the one-way air intake valve 53 is automatically opened, and the external air enters the piston cylinder 50 through the one-way air intake valve 53 and is heated by the electric heating wire 55.
An inflator 60 is also fixedly installed in the cavity 11, and as shown in fig. 2, a plug 62 is slidably and hermetically connected to the inflator 60, and the plug 62 can slide back and forth along the inner wall of the inflator 60 under the action of a power mechanism. An elastic member 61 is connected between the plug 62 and the inflator 60, in this embodiment, the elastic member 61 is a tension spring, one end of the tension spring is connected to the plug 62, and the other end of the tension spring is connected to the inner wall of the inflator 60. The bellows 30 communicated with the inflator 60 is arranged in the cavity 11, one end of the bellows 30 is fixed on the inflator 60, the other end of the bellows 30 is fixedly provided with the connecting rod 31, and one side of the connecting rod 31 passes through the communicating groove and is positioned in the main shell 10. The connecting rod 31 is connected with a wiping rod 32 for wiping the inner wall of the main shell 10, the wiping rod 32 is in a shape of Jiong, the wiping rod 32 can be opposite to the left side wall, the right side wall and the upper side wall of the inner wall of the main shell 10, and the wiping rod 32 is connected with a wiping strip 33 which is contacted with the inner wall of the main shell 10.
The power mechanism comprises a first motor 70 arranged on the main shell 10, one side of an output shaft of the first motor 70 penetrates through the outer wall of the main shell 10 and is positioned in the cavity 11, a cam 71 positioned in the cavity 11 is connected to the output shaft, and in the rotating process of the motor driving cam 71, the cam 71 can respectively exert acting force on the plunger 51 and the plunger 62. A speed reducer may be added to control the output speed of the first motor 70, and the specific connection manner of each component after the speed reducer is added is a conventional technical means in the field, and will not be described herein again.
When the electrical equipment is installed at a place with high humidity and water mist is easily generated in winter, the first motor 70 is started, the first motor 70 drives the cam 71 to rotate, and acting force can be applied to the plunger 51 in the rotating process of the cam 71, so that the plunger 51 slides back and forth along the piston cylinder 50. When the plunger 51 slides back and forth, the magnet is driven to move together, and in the moving process of the magnet, the wire on the wire coil 56 cuts the magnetic induction line of the magnet, so that current is generated in the wire coil 56, and the electric heating wire 55 can be electrified to generate heat. When the plunger 51 slides to the side far away from the piston cylinder 50, the pressure in the piston cylinder 50 is reduced, the one-way air inlet valve 53 is automatically opened, and the outside air enters the piston cylinder 50 through the one-way air inlet valve 53 and is heated by the electric heating wire 55; when the plunger 51 extrudes the gas in the piston cylinder 50, the pressure in the piston cylinder 50 is increased, the one-way exhaust valve 54 is automatically opened, the gas heated by the electric heating wire 55 in the piston cylinder 50 enters the cavity 11 through the one-way exhaust valve 54, then enters the main shell 10 through the gas inlet, enters the upper cavity through the inlet, and is finally discharged from the gas outlet, and the gas flows along a fixed channel in the main shell 10, so that the gas can take away the water vapor in the main shell 10.
The cam 71 rotates and simultaneously drives the plug 62 to slide along the inner wall of the inflator 60 in a reciprocating manner, when the plug 62 extrudes gas in the inflator 60, the gas in the inflator 60 enters the bellows sleeve to stretch and expand the bellows sleeve, in the process, the bellows sleeve drives the connecting rod 31 and the wiping rod 32 on the connecting rod 31 to move, and the wiping strip 33 on the wiping rod 32 wipes the inner wall of the main shell 10, so that water mist on the inner wall of the main shell 10 can be wiped. When the plug 62 slides to the side far away from the inflator 60, the pressure in the inflator 60 is reduced, the gas in the bellows is supplemented into the inflator 60, the bellows contracts, and the bellows drives the connecting rod 31 and the wiping rod 32 on the connecting rod 31 to move again.
Example two
The present embodiment is different from the first embodiment in that: the power mechanism of the present embodiment is different from the first embodiment, as shown in fig. 3 and 4, the power mechanism of the present embodiment includes a second motor 20 installed on the main casing 10, one side of an output shaft of the second motor 20 passes through an outer wall of the main casing 10 and is located in the cavity 11, a disc 21 located in the cavity 11 is connected to the output shaft, and a driving rod 211 is welded to an eccentric position of the disc 21. The cavity 11 is slidably connected with a movable frame 40, and the specific connection mode is as follows: the left side and the right side of the movable frame 40 are provided with a limiting groove 41 and a positioning groove communicated with the limiting groove 41, the main shell 10 is fixed with a fixing block 12, one side of the fixing block is slidably connected in the limiting groove 41, and the fixing block 12 is fixed with a clamping block in the positioning groove. The moving frame 40 is further provided with a strip-shaped groove perpendicular to the limiting groove 41, the driving rod 211 is clamped in the strip-shaped groove and can drive the moving frame 40 to slide in a reciprocating mode, and in the process that the moving frame 40 moves in the reciprocating mode, the moving frame 40 exerts acting force on the plunger 51 and the plunger 62 respectively.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (9)
1. A moisture-proof electrical equipment housing, characterized in that: the device comprises a main shell, wherein a cavity is formed in the side wall of the main shell, and a ventilation mechanism and a power mechanism are arranged in the cavity; the ventilation mechanism comprises a piston cylinder, a plunger is connected in the piston cylinder in a sliding manner, a magnet is arranged on the plunger, and a reset piece is connected between the plunger and the piston cylinder; the power mechanism is used for driving the plunger to slide in a reciprocating manner; an electric heating wire is arranged in the piston cylinder, a conductive coil is encircled outside the piston cylinder, and two ends of the conductive coil are connected with the electric heating wire; the piston cylinder is provided with a one-way exhaust valve and a one-way intake valve which can be communicated with the outside; the outer wall of the main shell is provided with an exhaust port, and the inner wall of the main shell is provided with an air inlet; the inner wall of the main shell is provided with a horizontally arranged communicating groove; an inflator is also arranged in the cavity, a plunger driven by a power mechanism to slide in a reciprocating manner is connected in the inflator in a sliding manner, and an elastic part is connected between the plunger and the inflator; the cavity is internally provided with a corrugated pipe communicated with the inflator pump, the corrugated pipe is provided with a connecting rod, one side of the connecting rod penetrates through the communicating groove and is positioned in the main shell, the connecting rod is provided with a wiping rod used for wiping the inner wall of the main shell, and the wiping rod is provided with a wiping strip contacted with the inner wall of the main shell.
2. A moisture resistant electrical equipment housing as claimed in claim 1, wherein: the power mechanism comprises a first motor arranged on the main shell, and a cam capable of contacting with the plunger piston is connected to an output shaft of the first motor.
3. A moisture resistant electrical equipment housing as claimed in claim 1, wherein: the power mechanism comprises a second motor arranged on the main shell, an output shaft of the second motor is connected with a disc, and a driving rod is arranged at the eccentric position of the disc; sliding connection has the removal frame that can contact with the plunger in the cavity, removes to open on the frame and has the bar groove, and the actuating lever block can order about to remove the reciprocal slip of frame in the bar groove.
4. A moisture resistant electrical equipment housing as claimed in claim 3, wherein: limiting grooves perpendicular to the strip-shaped grooves are formed in the two sides of the movable frame, and a fixing block with one side connected in the limiting grooves in a sliding mode is arranged on the main shell.
5. A moisture resistant electrical equipment housing as claimed in claim 4, wherein: the movable frame is provided with a positioning groove communicated with the limiting groove, and the fixing block is fixed with a clamping block clamped in the positioning groove.
6. A moisture resistant electrical equipment housing as claimed in claim 1, wherein: a partition plate for dividing the cavity into an upper cavity and a lower cavity is arranged in the cavity, and the piston cylinder is positioned in the lower cavity; the air inlet is communicated with the lower cavity, and the air outlet is communicated with the upper cavity; the inner wall of the main shell is also provided with an inlet communicated with the upper cavity, and the inlet are respectively positioned on two opposite inner walls of the main shell.
7. A moisture resistant electrical equipment housing as claimed in claim 1, wherein: the main shell is an insulating plastic main shell.
8. A moisture resistant electrical equipment housing as claimed in claim 1, wherein: the wiping rod is in an Jiong shape and is opposite to the left side wall, the right side wall and the upper side wall of the inner wall of the main shell.
9. A moisture resistant electrical equipment housing as claimed in claim 8, wherein: the elastic element is a tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208595.9A CN110880661B (en) | 2019-11-30 | 2019-11-30 | Damp-proof electrical equipment shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208595.9A CN110880661B (en) | 2019-11-30 | 2019-11-30 | Damp-proof electrical equipment shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110880661A CN110880661A (en) | 2020-03-13 |
| CN110880661B true CN110880661B (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911208595.9A Active CN110880661B (en) | 2019-11-30 | 2019-11-30 | Damp-proof electrical equipment shell |
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| CN (1) | CN110880661B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148668A (en) * | 1996-07-30 | 1997-04-30 | 弗朗西斯J·麦卡比 | Wind-energy changing system |
| CN107276391A (en) * | 2017-06-29 | 2017-10-20 | 安徽先能新能源科技股份有限公司 | A kind of high power conversion device |
| CN208581156U (en) * | 2018-07-13 | 2019-03-05 | 天津罗孚科技股份有限公司 | A kind of pump variable frequency device |
| CN209208713U (en) * | 2018-12-25 | 2019-08-06 | 丰城市俊风安全玻璃有限公司 | A kind of cleaning device of automotive safety glass |
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2019
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| CN110880661A (en) | 2020-03-13 |
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