CN111867282B - Relay protection equipment - Google Patents
Relay protection equipment Download PDFInfo
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- CN111867282B CN111867282B CN202010722658.9A CN202010722658A CN111867282B CN 111867282 B CN111867282 B CN 111867282B CN 202010722658 A CN202010722658 A CN 202010722658A CN 111867282 B CN111867282 B CN 111867282B
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- relay protection
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses relay protection equipment which comprises a moving unit, wherein the moving unit comprises a shell and a bottom plate, the bottom plate is connected with the bottom of the shell through a plurality of telescopic rods, the plurality of telescopic rods are respectively sleeved with a first spring, and the bottom of the bottom plate is fixedly provided with a universal wheel; the telescopic unit comprises a round cylinder connected with the side face of the shell, a pull rod positioned in the round cylinder, a pull block connected with the pull rod, and a protection unit, wherein the protection unit comprises a side plate, a rectangular frame and a first fan; the invention has reasonable structural design, achieves the effect of adjusting the height of the pull block through the mobile unit and the telescopic unit, is convenient to store, is suitable for different people to use, achieves the effect of damping, and achieves the effect of protection through the protection unit.
Description
Technical Field
The invention relates to the field of relay protection, in particular to relay protection equipment.
Background
An automated measure and apparatus that can timely signal an operator on duty or directly issue a trip command to a controlled circuit breaker to terminate the development of these events when a fault occurs in a power component in the power system or the power system itself jeopardizes the safe operation of the power system. The plant for carrying out such automation measures is generally known as a relay protection device.
In recent years, along with the electric wire netting scale enlarges day by day, the use of relay protection equipment is also more and more, but in relay protection equipment's transportation process, need the manual work to carry, consuming time and wasting power, maintainer's working strength has been increased, and display screen on the relay protection equipment, switching mouth and keyboard etc. can adhere to the dust or splash to water, cause the influence of different degrees to its use, accelerate its ageing, simultaneously in relay protection equipment's use, can produce a large amount of heats, if untimely the heat dissipation will cause the damage of different degrees to relay protection equipment internal components and parts. Therefore, a relay protection device is proposed to address the above problems.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that manual carrying is needed in the transfer process of the relay protection equipment, time and labor are consumed, the working strength of maintenance personnel is increased, meanwhile, a large amount of heat is generated in the use process of the relay protection equipment, and if the heat is not dissipated in time, the internal components of the relay protection equipment are damaged to different degrees.
In order to solve the technical problems, the invention provides the following technical scheme: a relay protection device comprises a moving unit, wherein the moving unit comprises a shell and a bottom plate, the bottom plate is connected with the bottom of the shell through a plurality of telescopic rods, the telescopic rods are respectively sleeved with a first spring, universal wheels are fixedly installed at the bottom of the bottom plate, and the telescopic rods are composed of a plurality of sleeves which are movably connected with one another; the telescopic unit comprises a round tube connected with the side face of the shell, a pull rod positioned in the round tube, a pull block connected with the pull rod, and a protection unit, wherein the protection unit comprises side plates, a rectangular frame and a first fan, the top of the shell is fixedly provided with two side plates, the side plates are hinged to one end of the rectangular frame, the top of the shell is provided with an air guide cavity, the first fan is arranged in the air guide cavity, and the air guide cavity is provided with a plurality of round through holes.
As a preferable scheme of the relay protection device of the present invention, wherein: a plurality of positioning teeth are uniformly arranged on the pull rod along the axial direction, each positioning tooth comprises an inclined surface and a vertical surface connected with the inclined surface, and the vertical surface is perpendicular to the axis of the pull rod; an included angle between the inclined plane and the vertical plane is an acute angle, one end of the inclined plane, which is far away from the axis of the pull rod, inclines towards the direction of the pull block, and a positioning groove is formed between two adjacent positioning teeth; still including adjusting the seat, it is provided with the slip hole to adjust the seat, the pull rod passes the slip hole, adjust seat one end with the cylinder opening is connected, adjust the seat and follow the slip aperture is to being provided with the regulation hole, install the connecting piece in the regulation hole, the connecting piece is provided with the constant head tank, install the reference column in the constant head tank, reference column one end is contradicted on the location tooth, is connected with the second spring between the reference column other end and the constant head tank bottom.
As a preferable scheme of the relay protection device of the present invention, wherein: the connecting piece is provided with a through long groove along the radial direction of the positioning groove, the long groove extends along the axial direction of the positioning groove, the positioning column is provided with a cross rod along the radial direction, the cross rod penetrates through the long groove, a rotating piece is installed between the connecting piece and the sliding hole, the side face of the rotating piece is provided with an inclined groove, and the cross rod is inserted into the inclined groove; the inclined groove is divided into a lifting groove and a horizontal groove, the lifting groove comprises a low end and a high end, the distance from the high end to the pull rod is larger than the distance from the low end to the pull rod, the high end is connected with the horizontal groove, and one end of the rotating member, which extends out of the adjusting seat, is connected with a knob; the pull rod is located one end in the circular cylinder is connected with a piston, a third spring is installed between the piston and the bottom of the circular cylinder, and a vent hole and a one-way valve are arranged on the piston in a penetrating mode.
As a preferable scheme of the relay protection device of the present invention, wherein: be provided with circular mouth on the curb plate of shell both sides, the radiating unit is installed to circular mouth, the radiating unit including be located circular intraoral circular slab, the even equidistance set up on the circular slab first electro-magnet, with the dust screen that the circular slab is connected, and be located circular intraoral second fan, all install two handles on the circular slab lateral wall, and two all be provided with the rubber sleeve on the handle.
As a preferable scheme of the relay protection device of the present invention, wherein: and a relay protection machine body is arranged in the shell, and the second fans are respectively positioned on two sides of the relay protection machine body.
As a preferable scheme of the relay protection device of the present invention, wherein: the baffle is installed to one side of rectangle frame, the baffle is connected with a shell lateral wall.
As a preferable scheme of the relay protection device of the present invention, wherein: the shell top is provided with display screen and switching mouth, and display screen and switching mouth all are connected with the relay protection organism through the wire, and the relay protection organism passes through the wire and is connected with the keyboard, and the keyboard setting is on the inner wall of rectangle frame.
As a preferable scheme of the relay protection device of the present invention, wherein: the first springs are located between the shell and the bottom plate.
As a preferable scheme of the relay protection device of the present invention, wherein: the shell is composed of a ferrous material, and a fireproof coating is arranged on the surface of the shell.
As a preferable scheme of the relay protection device of the present invention, wherein: the first fan is fixed at an opening of the air guide cavity in the shell through a bolt.
The invention has the beneficial effects that: the protective device has reasonable structural design, achieves the effect of adjusting the height of the pull block through the mobile unit and the telescopic unit, is convenient to store, is suitable for different people to use, achieves the effect of damping, achieves the protective effect through the protective unit, is beneficial to protecting a display screen, a switching port, a keyboard and the like, delays the aging of relay protection equipment, and can remove dust; through the radiating unit, can be better dispel the heat to the relay protection organism, can easily take off the dust screen from the shell simultaneously, the washing of the dust screen of being convenient for has strengthened the practicality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of an external structure of a relay protection device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a relay protection device according to an embodiment of the present invention;
fig. 3 is an enlarged schematic structural diagram of an upper diagram a of a relay protection device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a telescopic unit in the relay protection device according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure view of an adjusting seat in a relay protection device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a rotating member in the relay protection device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of an explosion structure of a telescopic unit in the relay protection device according to an embodiment of the present invention;
fig. 8 is a schematic cross-sectional structure view of a telescopic unit in a relay protection device according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional structure view of a heat dissipation unit in the relay protection device according to an embodiment of the present invention;
fig. 10 is an enlarged schematic structural diagram of a heat dissipation unit in the relay protection device according to an embodiment of the present invention at a position B.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a relay protection device, including a mobile unit 100, a telescopic unit 200, and a protection unit 300.
Specifically, the mobile unit 100 includes a housing 101 and a base plate 102, and a relay protection body is placed in the housing 101; the bottom plate 102 is connected with the bottom of the shell 101 through a plurality of telescopic rods 103, the first springs 104 are sleeved on the plurality of telescopic rods 103, a cushioning effect is achieved, universal wheels 105 are fixedly installed at the bottom of the bottom plate 102, a moving effect is achieved, the telescopic rods 103 are composed of a plurality of sleeves which are movably connected with one another, and the shell 101 can be supported along with changes in the deformation process of the first springs 104; the telescopic unit 200 comprises a round cylinder 201 connected with the side surface of the shell 101, a pull rod 202 positioned in the round cylinder 201 and a pull block 203 connected with the pull rod 202, wherein the round cylinder 201 is cylindrical, one end of the round cylinder is closed, the other end of the round cylinder is open, and when the pull block 203 is pulled, the pull rod 202 can be reasonably adjusted according to different heights of operators by stretching in the round cylinder 201; the protection unit 300 comprises side plates 301, a rectangular frame 302 and a first fan 303, wherein the two side plates 301 are fixedly mounted at the top of the casing 101, the side plates 301 are hinged to one end of the rectangular frame 302, the side plates 301 prevent the rectangular frame 302 from transversely moving and protect the rectangular frame 302, an air guide cavity 101a is arranged at the top of the casing 101, the air guide cavity 101a has an exhaust effect and is used for exhausting high-temperature gas in the casing 101, the first fan 303 mounted in the air guide cavity 101a is used for exhausting and dissipating heat, a plurality of circular through holes 101b are formed in the air guide cavity 101a, and the circular through holes 101b are heat dissipation holes; a baffle 304 is mounted on one side of the rectangular frame 302, the baffle 304 is connected with one side wall of the casing 101, and the baffle 304 is arranged to limit the rectangular frame 302 from over-rotating.
The implementation manner of the embodiment is as follows: when the shell 101 needs to be moved, the pull rod 202 is lifted upwards, when the pull block 203 is located at a required height, the pull block 203 is fixed at the required height, the effect of adjusting the height of the pull block 203 is achieved, the storage is convenient, the space is saved, the pull rod is suitable for being used by different people, then the pull block 203 is pulled, the universal wheel 105 is arranged at the bottom of the bottom plate 102, the shell 101 moves, the first springs 104 are arranged between the shell 101 and the bottom plate 102, the impact force can be effectively reduced through the mutual matching of the first springs 104 and the telescopic rod 103, the shock absorption effect is achieved, the uneven ground is avoided, and the relay protection machine body M is prevented from being influenced by different degrees in the moving process; preferably, an electromagnet is installed between the top of the casing 101 and the rectangular frame 302, the electromagnet is started to generate magnetism, the rectangular frame 302 is fixed on the top of the casing 101, the display screen, the switching port and the keyboard are in a sealed state, and the situations that the display screen, the switching port and the keyboard leak, are attached with dust or splash to water and the like when the relay protection device is not used are prevented, so that the display screen, the switching port and the keyboard are protected, the aging of the relay protection device is delayed, when the relay protection device is used, the casing 101 is moved down, so that a support leg arranged on one side wall of the casing 101 is in contact with a desktop, the electromagnet is closed, the rectangular frame 302 is rotated, the rectangular frame 302 is positioned on the baffle 304, so that an included angle between the rectangular frame 302 and the casing 101 is 90 degrees, the keyboard is convenient to use, and the first fan 303 is started to guide the air of the first fan 303 into the air guide cavity 101a, then through circular through-hole 101b, can remove dust to the keyboard on the rectangular frame 302 to and the display screen and the switching mouth etc. at shell 101 top, prevent that the dust from causing the influence of different degrees to display screen, switching mouth and keyboard etc..
Example 2
Referring to fig. 1 to 8, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: when the pull rod 202 is adjusted to a proper position, the height of the pull rod is fixed, and the pull rod is convenient to pull.
Specifically, a plurality of positioning teeth 202a are uniformly arranged on the pull rod 202 along the axial direction, each positioning tooth 202a comprises an inclined surface 202a-1 and a vertical surface 202a-2 connected with the inclined surface 202a-1, and the vertical surface 202a-2 is perpendicular to the axis of the pull rod 202; an included angle between the inclined surface 202a-1 and the vertical surface 202a-2 is an acute angle, one end of the inclined surface 202a-1, which is far away from the axis of the pull rod 202, inclines towards the direction of the pull block 203, and a first positioning groove 202a-3 is formed between two adjacent positioning teeth 202 a; still include and adjust seat 204, adjust seat 204 one end and be connected with the opening of circular cylinder 201, it is provided with sliding hole 204a to adjust seat 204, pull rod 202 enters into the circular cylinder after passing sliding hole 204a, it is provided with regulation hole 204b radially along sliding hole 204a to adjust seat 204, install connecting piece 205 in the regulation hole 204b, connecting piece 205 is provided with second constant head tank 205a, directional location tooth 202a of central line of second constant head tank 205a, install reference column 206 in the second constant head tank 205a, reference column 206 one end is contradicted on location tooth 202a, be connected with second spring 207 between the reference column 206 other end and the second constant head tank 205a tank bottom. The elastic force of the second spring 207 makes one end of the positioning post 206 abut against the first positioning groove 202a-3, and the positioning post 206 can only slide along the first positioning groove 202a-3 in the first positioning groove 202a-3, but cannot move in the other direction because the vertical surface 202a-2 abuts against the side surface of the positioning post 206, and only when the positioning post 206 moves away from the second positioning groove 205a and disengages from the positioning teeth 202a, the pull rod 202 can slide axially to both sides in the adjustment seat 204.
Furthermore, the connecting element 205 is provided with a through elongated slot 205b along the radial direction of the second positioning slot 205a, the elongated slot 205b extends along the axial direction of the second positioning slot 205a, the positioning column 206 is provided with a cross bar 206a along the radial direction, and the cross bar 206a penetrates through the elongated slot 205b, i.e. when the cross bar 206a is in the elongated slot 205b, it can move along the radial direction of the positioning column 206.
For convenience of operation, a rotating part 208 is installed between the connecting part 205 and the sliding hole 204a, the rotating part 208 is a rotating body, the middle part of the rotating part is hollow, the rotating part is sleeved on the connecting part 205 and can rotate, an inclined groove 208a is arranged on the side surface of the rotating part 208, and the cross rod 206a is inserted into the inclined groove 208 a; the inclined groove 208a is divided into a lifting groove 208a-1 and a horizontal groove 208a-2, the extending direction of the groove center line of the lifting groove 208a-1 is not parallel to the end surface of the rotating member 208, and the included angle is an acute angle, and the groove center line of the horizontal groove 208a-2 is parallel to the end surface of the rotating member 208; specifically, the lifting groove 208a-1 further comprises a low end 208a-1a and a high end 208a-1b, the distance from the high end 208a-1b to the pull rod 202 is greater than the distance from the low end 208a-1a to the pull rod 202, the high end 208a-1b is connected with the horizontal groove 208a-2, and one end of the rotating member 208 extending out of the adjusting seat 204 is connected with a knob 208b, so that the effect of facilitating operation is achieved.
Further, a piston 209 is connected to one end of the pull rod 202 located inside the cylinder 201, and the piston 209 slides inside the cylinder 201, so that the gas volume between the piston 209 and the cylinder 201 changes. Install third spring 210 between piston 209 and the circular cylinder 201 bottom, the elasticity of third spring 210 makes piston 209 remove to the direction of keeping away from circular cylinder 201 bottom, it is provided with air vent 209a and check valve to run through on the piston 209, the check valve is commonly used check valve, make the gas in the circular cylinder 201 can pass through check valve discharge circular cylinder 201 during its effect, and outside gas can not enter into circular cylinder 201 through the check valve in, the check valve is prior art, do not give unnecessary details.
The principle of the embodiment is as follows: in the initial state, the third spring 210 is compressed to the shortest, the gas capacity between the piston 209 and the cylinder 201 is the smallest, at this time, the pull rod 202 is located at the deepest position capable of extending into the cylinder 201, one end of the positioning column 206 abuts against the first positioning groove 202a-3 to prevent the piston 209 from moving in the direction away from the bottom of the cylinder 201, because at this time, the positioning column 206 has a limiting effect on the vertical surface 202 a-2; when the pull rod 202 needs to be pulled out for a certain height, the rotating knob 208b drives the rotating member 208 to rotate, at this time, the overlapped position of the inclined groove 208a and the long groove 205b moves towards the direction away from the second positioning groove 205a, until one end of the cross rod 206a moves to the horizontal groove 208a-2, and stops rotating, then the cross rod 206a cannot fall back under the block of the horizontal groove 208a-2, and meanwhile, the positioning column 206 has already separated from the positioning tooth 202a and loses the limiting effect on the pull rod 202, so under the elastic force of the third spring 210, the piston 209 and the pull rod 202 pop out outwards, but because the volume between the piston 209 and the circular cylinder 201 is increased, air can only be fed from the position of the vent hole 209a, and the flow of the vent hole 209a is far smaller than the flow when the one-way valve is opened, then the pull rod 202 can only move slowly, when the height of the pull rod 202 is proper, the rotating knob 208b opposite to the direction, the cross bar 206a enters the lifting groove 208a-1, and under the elastic force of the second spring 207, the positioning column 206 abuts against the corresponding second positioning groove 205a to prevent the pull rod 202 from moving, so that the height positioning of the telescopic unit 200 is completed, and at this time, the operator pulls the pull block 203 to move the relay protection device.
Example 3
Referring to fig. 1 to 10, a third embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: the side plates on the two sides of the shell 101 are provided with two circular ports 101c, and the two circular ports 101c are distributed on the two sides of the shell 101; the heat dissipation unit 400 is installed at the circular opening 101c, and the heat dissipation unit 400 comprises a circular plate 401 located in the circular opening 101c, first electromagnets 402 uniformly arranged on the circular plate 401 at equal intervals, a dust screen 403 connected with the circular plate 401, and a second fan 404 located in the circular opening 101c, so that the heat dissipation effect is achieved. The two handles 405 are mounted on the side walls of the circular plate 401, the two handles 405 are provided with rubber sleeves, the circular plate 401 is convenient to use, four support legs are mounted on one side wall of the shell 101, and anti-skid pads are arranged at the bottoms of the support legs, so that the circular plate 401 is convenient to use; a relay protection machine body M is installed in the housing 101, and the two second fans 404 are respectively located on two sides of the relay protection machine body M. A baffle 304 is installed at one side of the rectangular frame 302, and the baffle 304 is connected with one side wall of the casing 101. The top of the shell 101 is provided with a display screen and a switching port, the display screen and the switching port are connected with a relay protection machine body M through wires, the relay protection machine body M is connected with a keyboard through wires, and the keyboard is arranged on the inner wall of the rectangular frame 302.
Preferably, a plurality of first springs 104 are located between the casing 101 and the bottom plate 102 to achieve a good cushioning effect, the casing 101 is made of an iron material, a fireproof coating is arranged on the surface of the casing 101 to improve safety, and the first fan 303 is fixed at an opening of the air guide cavity 101a in the casing 101 through a bolt.
When the shock absorber is used, when the shell 101 needs to move, the pull rod 202 is lifted upwards, when the pull block 203 is located at the required height, the pull block 203 is fixed at the required height, the effect of adjusting the height of the pull block 203 is achieved, the storage is convenient, the space is saved, the shock absorber is suitable for different people to use, then the pull block 203 is pulled, the universal wheels 105 are arranged at the bottom of the bottom plate 102, the shell 101 moves, the first springs 104 are arranged between the shell 101 and the bottom plate 102, and through the mutual matching between the first springs 104 and the telescopic rods 103, the shock absorber can effectively reduce the impact force, achieves the shock absorption effect, avoids uneven ground and causes different degrees of influence on the relay protection machine body M in the moving process; preferably, an electromagnet is installed between the top of the casing 101 and the rectangular frame 302, the electromagnet is started to generate magnetism, the rectangular frame 302 is fixed on the top of the casing 101, the display screen, the switching port and the keyboard are in a sealed state, and the situations that the display screen, the switching port and the keyboard leak, are attached with dust or splash to water and the like when the relay protection device is not used are prevented, so that the display screen, the switching port and the keyboard are protected, the aging of the relay protection device is delayed, when the relay protection device is used, the casing 101 is moved down, so that a support leg arranged on one side wall of the casing 101 is in contact with a desktop, the electromagnet is closed, the rectangular frame 302 is rotated, the rectangular frame 302 is positioned on the baffle 304, so that an included angle between the rectangular frame 302 and the casing 101 is 90 degrees, the keyboard is convenient to use, and the first fan 303 is started to guide the air of the first fan 303 into the air guide cavity 101a, then through circular through-hole 101b, can remove dust to the keyboard on the rectangular frame 302 to and the display screen and the switching mouth etc. at shell 101 top, prevent that the dust from causing the influence of different degrees to display screen, switching mouth and keyboard etc..
When the temperature of the relay protection body M is high, the second fans 404 on two sides are started, cold air is blown into the casing 101 through the second fan 404 on one side, hot air in the casing 101 is exhausted through the second fan 404 on the other side, the flowability of air in the casing 101 is increased, the heat dissipation effect is improved, a circular plate 401 is arranged in the circular opening 101c, the inner side wall of the circular plate 401 is fixedly connected with the edge of the dustproof net 403, the dustproof effect is achieved through the dustproof net 403, dust is prevented from passing through the circular opening 101c and entering the inner cavity of the casing 101, when the dustproof net 403 needs to be cleaned, the first electromagnet 402 is closed, the magnetism of the first electromagnet 402 is lost and is not attracted with the inner side wall of the circular opening 101c, the dustproof net 403 can be easily taken down from the casing 101, the cleaning of the dustproof net 403 is facilitated, and the practicability is enhanced.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. A relay protection device, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the moving unit (100) comprises a shell (101) and a bottom plate (102), wherein the bottom plate (102) is connected with the bottom of the shell (101) through a plurality of telescopic rods (103), the plurality of telescopic rods (103) are respectively sleeved with a first spring (104), universal wheels (105) are fixedly installed at the bottom of the bottom plate (102), and the telescopic rods (103) are composed of a plurality of sleeves which are movably connected with each other;
a telescopic unit (200) comprising a cylinder (201) connected with the side of the housing (101), a pull rod (202) positioned in the cylinder (201), a pull block (203) connected with the pull rod (202), and,
the protection unit (300) comprises side plates (301), a rectangular frame (302) and a first fan (303), wherein the two side plates (301) are fixedly mounted at the top of the shell (101), the side plates (301) are hinged with one end of the rectangular frame (302), an air guide cavity (101a) is formed in the top of the shell (101), the first fan (303) is mounted in the air guide cavity (101a), and a plurality of circular through holes (101b) are formed in the air guide cavity (101 a);
a plurality of positioning teeth (202a) are uniformly arranged on the pull rod (202) along the axial direction, each positioning tooth (202a) comprises an inclined surface (202a-1) and a vertical surface (202a-2) connected with the inclined surface (202a-1), and the vertical surface (202a-2) is perpendicular to the axis of the pull rod (202); an included angle between the inclined surface (202a-1) and the vertical surface (202a-2) is an acute angle, one end, away from the axis of the pull rod (202), of the inclined surface (202a-1) inclines towards the direction of the pull block (203), and a first positioning groove (202a-3) is formed between two adjacent positioning teeth (202 a); the adjusting device is characterized by further comprising an adjusting seat (204), the adjusting seat (204) is provided with a sliding hole (204a), the pull rod (202) penetrates through the sliding hole (204a), one end of the adjusting seat (204) is connected with the opening of the circular cylinder (201), the adjusting seat (204) is radially provided with an adjusting hole (204b) along the sliding hole (204a), a connecting piece (205) is installed in the adjusting hole (204b), a second positioning groove (205a) is formed in the connecting piece (205), a positioning column (206) is installed in the second positioning groove (205a), one end of the positioning column (206) is abutted against the positioning teeth (202a), and a second spring (207) is connected between the other end of the positioning column (206) and the bottom of the second positioning groove (205 a);
the connecting piece (205) is provided with a through long groove (205b) along the radial direction of the second positioning groove (205a), the long groove (205b) extends along the axial direction of the second positioning groove (205a), the positioning column (206) is provided with a cross rod (206a) along the radial direction, the cross rod (206a) penetrates through the long groove (205b), a rotating piece (208) is installed between the connecting piece (205) and the sliding hole (204a), an inclined groove (208a) is arranged on the side surface of the rotating piece (208), and the cross rod (206a) is inserted into the inclined groove (208 a); the inclined groove (208a) is divided into a lifting groove (208a-1) and a horizontal groove (208a-2), the lifting groove (208a-1) further comprises a low-position end (208a-1a) and a high-position end (208a-1b), the distance from the high-position end (208a-1b) to the pull rod (202) is greater than the distance from the low-position end (208a-1a) to the pull rod (202), the high-position end (208a-1b) is connected with the horizontal groove (208a-2), and one end of the rotating piece (208) extending out of the adjusting seat (204) is connected with a knob (208 b); one end of the pull rod (202) located in the circular cylinder (201) is connected with a piston (209), a third spring (210) is installed between the piston (209) and the bottom of the circular cylinder (201), and a vent hole (209a) and a one-way valve are arranged on the piston (209) in a penetrating mode.
2. The relay protection device according to claim 1, wherein: be provided with circular mouth (101c) on the curb plate of shell (101) both sides, heat dissipation unit (400) are installed to circular mouth (101c), heat dissipation unit (400) including circular slab (401) that is located circular mouth (101c), first electro-magnet (402) that even equidistance set up on circular slab (401), with dust screen (403) that circular slab (401) are connected, and be located second fan (404) in circular mouth (101c), all install two handles (405) on circular slab (401) lateral wall, and two all be provided with the rubber sleeve on handle (405).
3. The relay protection device according to claim 2, wherein: the installation relay protection organism (M), two in shell (101) second fan (404) are located the both sides of relay protection organism (M) respectively.
4. The relay protection device according to claim 3, wherein: a baffle (304) is installed on one side of the rectangular frame (302), and the baffle (304) is connected with one side wall of the shell (101).
5. The relay protection device according to claim 4, wherein: the top of the shell (101) is provided with a display screen and a switching port, the display screen and the switching port are connected with a relay protection machine body (M) through wires, the relay protection machine body (M) is connected with a keyboard through wires, and the keyboard is arranged on the inner wall of the rectangular frame (302).
6. The relay protection device according to claim 5, wherein: the first springs (104) are located between the shell (101) and the bottom plate (102).
7. The relay protection device according to claim 6, wherein: the shell (101) is made of a ferrous material, and a fireproof coating is arranged on the surface of the shell (101).
8. The relay protection device according to claim 7, wherein: the first fan (303) is fixed at an opening of the air guide cavity (101a) in the shell (101) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010722658.9A CN111867282B (en) | 2020-07-24 | 2020-07-24 | Relay protection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010722658.9A CN111867282B (en) | 2020-07-24 | 2020-07-24 | Relay protection equipment |
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| CN111867282A CN111867282A (en) | 2020-10-30 |
| CN111867282B true CN111867282B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010722658.9A Active CN111867282B (en) | 2020-07-24 | 2020-07-24 | Relay protection equipment |
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| CN210733925U (en) * | 2019-09-15 | 2020-06-12 | 广州源泉新能源科技有限公司 | Scalable bus handrail |
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| CN1201632A (en) * | 1997-10-27 | 1998-12-16 | 陈平和 | Pulling rod and positioner of suitcase and manufacture thereof |
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| CN111867282A (en) | 2020-10-30 |
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