CN111786268B - Laboratory power equipment with noise reduction function - Google Patents
Laboratory power equipment with noise reduction function Download PDFInfo
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- CN111786268B CN111786268B CN202010672584.2A CN202010672584A CN111786268B CN 111786268 B CN111786268 B CN 111786268B CN 202010672584 A CN202010672584 A CN 202010672584A CN 111786268 B CN111786268 B CN 111786268B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses laboratory power equipment with a noise reduction function, and particularly relates to the field of power equipment. The sound-absorbing cotton layers coated on the opposite sides of the two adjacent partition plates are used for fully absorbing noise, the phenomenon that the transmitted noise is too large to affect the working environment of a laboratory is avoided, meanwhile, the power equipment body on the top of the partition plate can be exposed out of the environment by the aid of the meshing action between the sliding strips and the gear teeth and gears on the bottom of the partition plate, and workers can repair or replace the power equipment body conveniently.
Description
Technical Field
The invention relates to the field of power equipment, in particular to laboratory power equipment with a noise reduction function.
Background
The power equipment is a general name of electric appliances and devices which complete the functions of conversion of electromagnetic energy and other energy forms, voltage conversion, power transmission, power circuit switching and the like in the power generation, power transmission and transformation and power utilization processes. The power system mainly comprises two main types of power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like; the power supply equipment is mainly transmission lines, mutual inductors, contactors and the like with various voltage grades.
But power equipment among the prior art noise reduction effect is relatively poor in the course of the work, and is not convenient for maintain, change the inside power equipment of box.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a laboratory electrical equipment with a noise reduction function, and the technical problems to be solved by the present invention are: how to improve the noise reduction effect of the power equipment and the convenience of maintenance and replacement.
In order to achieve the purpose, the invention provides the following technical scheme: a laboratory power device with a noise reduction function comprises a shell, wherein a cover plate is arranged at the top of the shell, a plurality of groups of vent holes arranged in parallel are formed in two sides of the shell, a front side face of the shell is movably connected with a sealing door through hinges, a partition plate is arranged in an inner cavity of the shell, slots are correspondingly formed in two side walls of the inner cavity, the partition plate is movably inserted into the slots, a noise reduction mechanism is arranged at the top of the partition plate, a transmission mechanism is arranged at the bottom of the partition plate, a screen plate is fixedly installed at the center of the top of the partition plate through pins, and a power device body is fixedly installed at the top of the screen plate;
the noise reduction mechanism comprises three noise reduction frames which are respectively arranged on two side walls of an inner cavity of the shell and an inner wall of one side of the inner cavity far away from the sealing door, each noise reduction frame comprises a side frame plate and a plurality of partition plates which are horizontally arranged at equal intervals, the inner circumferential surface of the side frame plate is fixedly connected with the outer circumferential surfaces of the partition plates, one end of each partition plate is provided with a plurality of through holes which are horizontally arranged in a collinear manner, the opposite sides of two adjacent partition plates are coated with sound absorption cotton layers, the through holes on the two adjacent partition plates are arranged in diagonal positions, one side of the sealing door facing the shell is provided with a sealing strip which is arranged in an inverted U shape, one side of the shell facing the sealing door is provided with a notch matched with the sealing door, and one side of the notch facing the sealing door is provided with a sealing groove matched with the sealing strip;
drive mechanism is including the pivot, the pivot sets up the position department that is close to sealing the door in the below of division board, and the pivot both ends all through bearing and the shells inner wall swing joint who corresponds the position, seal the door and be provided with two spouts that are the axisymmetric setting about the central axis that seals the door towards one side of casing, the inside sliding connection draw runner of spout, two the draw runner top is provided with U type pole, and the two passes through U type pole fixed connection, the outside fixed gear that has cup jointed in position department that corresponds the draw runner of pivot, the draw runner corresponds the position level of gear to being provided with a plurality of teeth of a cogwheel towards one side of gear and division board bottom, the gear meshes with the teeth of a cogwheel that corresponds the position mutually.
The implementation mode is as follows: during the use, settle this power equipment inside the casing earlier, close the sealing door, and place the casing on appointed operating position, the noise that the power equipment body produced in operation can get into casing inner chamber both sides wall and the inner chamber is kept away from the frame inside of making an uproar that falls on one side inner wall of sealing door, make the noise longer in the time of making an uproar frame inside circulation of making an uproar, and utilize the cotton layer of inhaling of the cladding of opposite side of two adjacent baffles to fully absorb the noise, avoid the noise that spreads out too big and influence the operational environment of laboratory, when needs maintain or change the power equipment body of casing inside, open the sealing door, utilize the meshing effect between the teeth of a cogwheel and the gear of draw runner and division board bottom, expose the power equipment body at division board top in the external environment, make things convenient for the staff to maintain or change it.
In a preferred embodiment, two ends of the noise reduction frame close to the inner wall of the side, far away from the sealing door, of the inner cavity of the shell are respectively and fixedly connected with the noise reduction frames on the two side walls of the inner cavity of the shell, and the power equipment body is located in a U-shaped cavity defined by the three noise reduction frames, so that comprehensive noise reduction can be realized.
In a preferred embodiment, acoustic baffles are arranged at the top end and the bottom end of one side of each of the three noise reduction frames facing the inner wall of the shell, the noise reduction frames are fixedly connected with the inner wall of the shell through the acoustic baffles at the corresponding positions, the top end faces and the bottom end faces of the noise reduction frames are respectively attached to the bottom end faces of the cover plate and the top end faces of the partition plates, and sealing cushions are arranged at the attachment faces at the corresponding positions, so that the noise reduction effect can be greatly improved.
In a preferred embodiment, the top edge position of both sides of the casing is provided with two sets of second clamping grooves with sound-absorbing cotton layers wrapped on the inner walls, one side of the cover plate facing the casing is correspondingly provided with a second clamping block matched with the second clamping groove, and the two sets of second clamping blocks and the two sets of second clamping grooves are arranged in a shape like a Chinese character 'hui', so that noise can be prevented from being transmitted between the casing and the cover plate.
In a preferred embodiment, the top of sealing a door sets up the recess, the position department that the notch inner wall corresponds the recess is provided with the screens groove, it is provided with logical groove to seal a door surface, it is linked together with the recess to lead to the groove, and highly be the half of the recess degree of depth, it has the sliding plate to lead to the inside sliding connection of groove, sliding plate top fixedly connected with picture peg, be provided with first spring between sliding plate and the recess inner chamber bottom, and the two is through first spring fixed connection, the sliding plate bottom still is provided with the telescope tube, and the both ends of telescope tube respectively with the sliding plate and lead to the outward flange fixed connection of groove bottom, the both sides of telescope tube and the outward flange activity laminating that leads to the groove both sides, can improve greatly and seal a door and open/closed convenience.
In a preferred embodiment, a cavity is formed in the center of the top of the partition plate, the top view direction projection of the cavity is larger than the top view direction projection of the power equipment body and smaller than the top view direction projection of the screen plate, a plurality of groups of embedding holes penetrate through the bottom end face of the cavity, a heat dissipation fan is fixedly embedded in each embedding hole, and second screw holes penetrate through the four corners of the top of the partition plate, so that a space is formed on the outer peripheral side of the power equipment body, and heat dissipation is facilitated.
In a preferred embodiment, a plurality of groups of heat conducting rods arranged in a rectangular array are arranged on the side partition plate of the noise reduction frame in a penetrating manner, and the heat conducting rods are copper members, so that the heat in the shell can be accelerated to be led out.
In a preferred embodiment, the air pump is fixedly installed at the bottom of the partition plate in the inner cavity of the housing, the air inlet end and the air outlet end of the air pump are both connected with air pipes, the air pipes at the air inlet end of the air pump penetrate through the outside of the housing extending to the corresponding positions, and the connectors are detachably connected, so that the balance of air pressure inside and outside the housing can be ensured.
In a preferred embodiment, a first clamping groove is arranged between two groups of second clamping grooves at the top of the shell, a first clamping block matched with the first clamping groove is arranged between two groups of second clamping blocks at the bottom of the cover plate, a plurality of groups of first screw holes are arranged at one end, close to the cover plate, of the first clamping block in a penetrating manner, a through hole is arranged at the outer side of the first clamping groove at the top of the shell in a penetrating manner, a blind hole is arranged at the inner side of the first clamping groove, a bolt which sequentially penetrates through the through hole and the first screw holes and is in threaded connection with the blind hole is arranged in the through hole in a matching manner, a plurality of connecting air holes are arranged at one side of the first clamping block in a penetrating manner, the number of the connecting air holes is equal to that of the air holes, the height of the connecting air holes is smaller than the distance between two adjacent air holes, a dust screen is fixedly arranged at one end of the air holes at the outer walls at two sides of the shell, and the dust screen can correspond to different first screw holes by adjusting the through hole, the fault tolerance between the vent and the connecting air hole is realized, and the applicability of the fault tolerance is increased.
In a preferred embodiment, the surface of the sealing door is provided with two accommodating grooves which are axially symmetrical about the vertical central axis of the groove, a support rod and a movable plate are arranged in each accommodating groove, a rotating rod penetrates through one end of each support rod, the two ends of each rotating rod are movably connected with the inner wall of the corresponding accommodating groove through bearings, guide grooves are formed in the two side walls of the bottom end of the inner cavity of each accommodating groove, a guide block is fixedly arranged at the position, corresponding to the guide groove, of the outer peripheral surface of the movable plate and is in sliding fit with the guide groove, a clamping plate is fixedly arranged at the top of the movable plate, a second spring is arranged at the bottom of the movable plate, the two ends of the second spring are fixedly connected with the movable plate and the bottom end face of the accommodating groove respectively, arc-shaped grooves are further formed in the outer edges of the two sides of the accommodating groove, one end of each support rod, far away from the rotating rod, and the top end face of the clamping plate are both arc-shaped, the accessible inserts from arc wall department, takes out branch from accomodating the inslot, and branch can extrude the movable plate downwards when outside motion to compress the second spring, treat branch and cardboard separation back, open and seal the door, branch then uses the bull stick to overturn as the center pin, when changeing certain angle, the usable inner wall of accomodating the groove restricts its upset, makes it realize the support to sealing the door, in order to ensure that the draw runner removes steadily.
The invention has the technical effects and advantages that:
1. the invention ensures that the generated noise does not spread from the door and the cover plate through the matching between the sealing strip and the sealing groove as well as between the second clamping block and the second clamping groove with the sound absorption cotton layer, but enters the noise reduction frame from the through hole at the top of the noise reduction upper inner side clapboard, then passes through the through hole arranged on the diagonal position of the through hole on the next layer of clapboard and the through hole on the previous layer of clapboard, because the plurality of clapboards are arranged, the time for the noise to circulate in the noise reduction frame is longer, the sound absorption cotton layer coated on the opposite sides of the two adjacent clapboards is utilized to fully absorb the noise, the phenomenon that the spread noise is overlarge to influence the working environment of a laboratory is avoided, when the power equipment body in the shell needs to be maintained or replaced, the sealing door is opened, and the power equipment body at the top of the clapboard is exposed to the outside environment by utilizing the meshing action between the sliding strip and the gear teeth and the gear at the bottom of the clapboard, the maintenance or replacement of the device is convenient for workers;
2. according to the invention, the sliding plate is pushed downwards to enable the sliding plate to extrude the first spring downwards and drive the sliding plate to compress the telescopic sleeve (the flexible corrugated pipe in the prior art) downwards, and when the first spring is compressed to a certain degree, the inserting plate is completely immersed into the groove, so that the locking between the sealing door and the shell is released, the sealing door can be opened/closed conveniently and quickly;
3. according to the invention, fingers are inserted from the arc-shaped groove, the supporting rod is taken out from the accommodating groove, the supporting rod can downwards extrude the movable plate and compress the second spring when moving outwards, the sealing door is opened after the supporting rod is separated from the clamping plate, the supporting rod is turned over by taking the rotating rod as a central shaft, and when the sealing door is turned to a certain angle, the turning degree of the sealing door can be limited by using the inner wall of the accommodating groove, so that the sealing door is supported, and the sliding strip is ensured to move stably;
4. according to the invention, through the cooperation effect between the heat dissipation fan and the heat conduction rod, heat generated by the operation of the power equipment body in the shell is quickly led out, so that the stable operation of the power equipment is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an overall front sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.
Fig. 4 is a schematic diagram of the structure of the partition board of the present invention.
Fig. 5 is a schematic structural diagram of a noise reduction frame according to the present invention.
FIG. 6 is a schematic view of the door sealing structure of the present invention.
Fig. 7 is an enlarged view of portion B of fig. 1 according to the present invention.
FIG. 8 is a partial side cross-sectional view of the seal door of the present invention in an open position.
FIG. 9 is a view showing the connection structure of the slider and the U-shaped bar according to the present invention.
Fig. 10 is an enlarged view of the portion C of fig. 1 according to the present invention.
The reference signs are: 1 shell, 2 cover plates, 3 sealing doors, 4 vent holes, 5 slots, 6 partition plates, 61 embedding holes, 62 second screw holes, 63 cavities, 7 noise reduction frames, 71 side frame plates, 72 partition plates, 73 heat conduction rods, 74 through holes, 8 screen plates, 9 electrical equipment bodies, 10 sound insulation plates, 11 first clamping grooves, 12 first clamping blocks, 13 first screw holes, 14 blind holes, 15 through holes, 16 bolts, 17 second clamping blocks, 18 second clamping grooves, 19 rotating shafts, 20 gears, 21 connecting air holes, 22 heat dissipation fans, 23 air pumps, 24 connectors, 25 grooves, 26 sliding grooves, 27 sealing strips, 28 sealing grooves, 29 sliding plates, 30 telescopic sleeves, 31 first springs, 32 notches, 33 inserting plates, 34 sliding strips, 35U-shaped rods, 36 gear teeth, 37 accommodating grooves, 38 supporting rods, 39 rotating rods, 40 arc-shaped grooves, 41 guide grooves, 42 guide blocks, 43 guide blocks, 44 clamping plates, 45 second springs and 46 dustproof nets.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
The invention provides laboratory electrical equipment with a noise reduction function, which comprises a shell 1, wherein a cover plate 2 is arranged at the top of the shell 1, a plurality of groups of vent holes 4 arranged in parallel are formed in two sides of the shell 1, a sealing door 3 is movably connected to the front side surface of the shell through hinges, a partition plate 6 is arranged in an inner cavity of the shell 1, slots 5 are correspondingly formed in two side walls of the inner cavity, the partition plate 6 is movably inserted into the slots 5, a noise reduction mechanism is arranged at the top of the partition plate 6, a transmission mechanism is arranged at the bottom of the partition plate, a screen plate 8 is fixedly arranged at the center of the top of the partition plate 6 through pins, and an electrical equipment body 9 is fixedly arranged at the top of the screen plate 8;
the noise reduction mechanism comprises three noise reduction frames 7, the three noise reduction frames 7 are respectively arranged on two side walls of the inner cavity of the shell 1 and the inner wall of one side of the inner cavity far away from the sealing door 3, the noise reduction frame 7 comprises a side frame plate 71 and a plurality of partition plates 72 which are horizontally arranged at equal intervals, the inner peripheral surface of the side frame plate 71 is fixedly connected with the outer peripheral surfaces of a plurality of partition plates 72, one end of each of the four partition plates 72 is provided with a plurality of through holes 74 which are horizontally arranged in a collinear way, the opposite sides of two adjacent partition plates 72 are coated with sound absorption cotton layers, and the through holes 74 on two adjacent partition plates 72 are arranged in diagonal positions, the sealing strip 27 arranged in an inverted U shape is arranged on one side of the sealing door 3 facing the shell 1, the notch 32 matched with the sealing door 3 is arranged on one side of the shell 1 facing the sealing door 3, and one side of the notch 32 facing the door 3 is provided with a sealing groove 28 matched with the sealing strip 27;
drive mechanism is including pivot 19, pivot 19 sets up the position department that is close to sealing door 3 in the below of division board 6, and pivot 19 both ends all through bearing and the 1 inner wall swing joint of casing that corresponds the position, it is provided with two spout 26 that are axisymmetric setting about the central axis that seals door 3 to seal one side of casing 1 to seal door 3, the inside sliding connection draw runner 34 of spout 26, two the 34 top of draw runner is provided with U type pole 35, and the two passes through U type pole 35 fixed connection, the fixed gear 20 that has cup jointed in the position department that the outside draw runner 34 that corresponds of pivot 19, draw runner 34 is provided with a plurality of teeth of a cogwheel 36 towards one side of gear 20 and the position level that division board 6 bottom corresponds gear 20, gear 20 meshes with the teeth of a cogwheel 36 that corresponds the position mutually.
Furthermore, the two ends of the noise reduction frame 7 close to the inner wall of the inner cavity of the shell 1 far away from the sealing door 3 are respectively and fixedly connected with the noise reduction frame 7 on the two side walls of the inner cavity of the shell 1, and the power equipment body 9 is located in a U-shaped cavity surrounded by the three noise reduction frames 7.
Further, it is three fall and make an uproar frame 7 all is provided with acoustic celotex board 10 towards one side top and the bottom of casing 1 inner wall, and fall the acoustic celotex board 10 and casing 1 inner wall fixed connection that fall the frame 7 through corresponding the position, fall the top face and the bottom face of falling the frame 7 and laminate with 2 bottom faces of apron and 6 top faces respectively, and the binding face department that corresponds the position all is provided with the seal cushion layer.
Further, 1 both sides top border position of casing is provided with two sets of inner walls cladding and has the second draw-in groove 18 of inhaling the cotton layer of sound, apron 2 corresponds towards one side of casing 1 and is equipped with the second fixture block 17 with 18 looks adaptations of second draw-in groove, and two sets of second fixture blocks 17 and two sets of second draw-in grooves 18 are the setting of returning the style of calligraphy.
As shown in fig. 1 to 5 and fig. 8 to 9, the embodiment specifically is: in the actual use process, the power equipment is firstly arranged inside the shell 1, the sealing door 3 is closed, the shell 1 is placed on the appointed working position, the noise generated in the working process of the power equipment body 9 can be absorbed by the noise reduction frame 7 on the two side walls of the inner cavity of the shell 1 and the inner wall of one side of the inner cavity far away from the sealing door 3, in the process, the sealing door 3 is provided with the sealing strip 27 in the inverted U-shaped arrangement on one side facing the shell 1, the shell 1 is provided with the notch 32 matched with the sealing door 3 on one side facing the sealing door 3, the notch 32 is provided with the sealing groove 28 matched with the sealing strip 27 on one side facing the sealing door 3, meanwhile, the two groups of second clamping grooves 18 with the sound absorption cotton layers are arranged on the top edge positions of the two sides of the shell 1, the cover plate 2 is correspondingly provided with the second clamping blocks 17 matched with the second clamping grooves 18 on one side facing the shell 1, so that the generated noise can not be transmitted from the sealing door 3 and the cover plate 2, the noise enters the noise reduction frame 7 from the through hole 74 at the top of the inner side partition plate 72 on the noise reduction frame 7, then the noise passes through the through hole 74 arranged at the diagonal position of the through hole 74 on the previous partition plate 72 on the next partition plate 72, the partition plates 72 are provided with a plurality of partitions, so that the time for the noise to circulate in the noise reduction frame 7 is long, the noise is sufficiently absorbed by the sound absorption cotton layers coated on the opposite sides of the two adjacent partition plates 72, the phenomenon that the transmitted noise is too large to influence the working environment of a laboratory is avoided, when the power equipment body 9 in the shell 1 needs to be repaired or replaced, the sealing door 3 can be pulled open by taking a hinge at the joint with the shell 1 as a base point until one side facing the shell 1 and the bottom end surface of the inner cavity of the shell 1 are kept horizontal, the U-shaped rod 35 is held by hand, the sliding strip 34 is moved towards the direction of the gear 20, and a plurality of gear teeth 36 horizontally arranged at the positions of the sliding strip 34 facing the gear 20 and the bottom of the partition plate 6 corresponding to the gear 20 are all in the same as the teeth 36 at the corresponding positions Meshing, make the teeth of a cogwheel 36 at draw 34 top move to and contact with gear 20 and continue when promoting forward, utilize the meshing between the two, drive gear 20 reverse rotation, and then drive division board 6 and remove towards the direction of closing a door 3 under the restriction of slot 5, thereby make the power equipment body 9 at division board 6 top expose in the external environment, make things convenient for the staff to maintain or change it, laboratory power equipment noise reduction effect among the prior art is poor specifically solved to this embodiment, and be not convenient for maintain or change its working part's problem.
Further, seal 3 tops of door and set up recess 25, the position department that notch 32 inner wall corresponds recess 25 is provided with the screens groove, it is provided with logical groove to seal 3 surfaces of door, it is linked together with the recess 25 to lead to the groove, and highly be the half of the recess 25 degree of depth, it has sliding plate 29 to lead to the inside sliding connection of groove, sliding plate 29 top fixedly connected with picture peg 33, be provided with first spring 31 between sliding plate 29 and the recess 25 inner chamber bottom, and the two is through first spring 31 fixed connection, sliding plate 29 bottom still is provided with the telescope tube 30, and the both ends of telescope tube 30 respectively with sliding plate 29 and the outward flange fixed connection who leads to the groove bottom, the both sides of telescope tube 30 and the outward flange activity laminating that leads to the groove both sides.
As shown in fig. 1 and fig. 6 to 7, the embodiment specifically is: in the actual use process, when the door 3 needs to be opened, the sliding plate 29 is pushed downwards, so that the sliding plate 29 presses the first spring 31 downwards and drives the sliding plate 29 to compress the telescopic sleeve 30 (a flexible corrugated pipe in the prior art) downwards, when the first spring 31 is compressed to a certain degree, the inserting plate 33 is separated from the clamping groove, so that the locking between the door 3 and the shell 1 is released, and the door 3 can be opened, conversely, the sliding plate 29 is pushed downwards, so that the sliding plate 29 presses the first spring 31 downwards and drives the sliding plate 29 to compress the telescopic sleeve 30 (a flexible corrugated pipe in the prior art) downwards, when the first spring 31 is compressed until the inserting plate 33 sinks into the groove 25, the door 3 is buckled into the groove 32 on the shell 1, then the sliding plate 29 is released, so that the sliding plate moves upwards under the elastic force of the first spring 31, so that the inserting plate 33 is inserted into the clamping groove, the locking between the door 3 and the housing 1 can be realized, and the embodiment specifically solves the problem of inconvenient opening and closing in the prior art.
Further, a cavity 63 is formed in the center of the top of the partition plate 6, the top view direction projection of the cavity 63 is larger than the top view direction projection of the power equipment body 9 and smaller than the top view direction projection of the screen plate 8, a plurality of groups of embedded holes 61 penetrate through the bottom end face of the cavity 63, the heat dissipation fan 22 is fixedly embedded in the embedded holes 61, and second screw holes 62 penetrate through the four corners of the top of the partition plate 6.
Furthermore, a heat conducting rod 73 which is formed by a plurality of rectangular arrays is arranged on the side partition plate 72 of the noise reduction frame 7 in a penetrating manner, and the heat conducting rod 73 is a copper material member.
Further, the bottom fixed mounting that 1 inner chamber of casing is located division board 6 has air pump 23, the inlet end of air pump 23 all is connected with the trachea with the end of giving vent to anger, and the trachea of air pump 23 inlet end runs through to extend to the casing 1 outside that corresponds the position to can dismantle and be connected with connector 24.
Furthermore, a first card slot 11 is arranged between two groups of second card slots 18 on the top of the shell 1, a first clamping block 12 matched with the first clamping groove 11 is arranged between two groups of second clamping blocks 17 at the bottom of the cover plate 2, a plurality of groups of first screw holes 13 are arranged at one end of the first clamping block 12 close to the cover plate 2 in a penetrating way, a through hole 15 is arranged at the outer side of the first clamping groove 11 at the top end of the shell 1 in a penetrating way, a blind hole 14 is arranged at the inner side, a bolt 16 which sequentially penetrates through the through hole 15 and the first screw hole 13 and is in threaded connection with the blind hole 14 is arranged inside the through hole 15 in a matching way, a plurality of connecting air holes 21 are also arranged on one side of the first clamping block 12 in a penetrating way, the number of the connecting air holes 21 is equal to that of the air vents 4, and the height of the connecting air hole 21 is less than the distance between two adjacent air vents 4, and one end of the air vents 4 on the outer walls of the two sides of the shell 1 is fixedly provided with a dust screen 46.
As shown in fig. 1 to 4, the embodiment specifically is: in the actual use process, the bolts 16 locked between the two side walls of the housing 1 and the first fixture block 12 can be screwed off, then the handles on the two sides of the top of the cover plate 2 are held to lift the cover plate 2 upwards, so that the connecting air holes 21 on the first fixture block 12 are communicated with the vent holes 4 on the housing 1 at the corresponding position, when in use, air in the external environment is sucked in through the connecting head 24 (with a built-in drying agent) after being dried by the air pump 23 and is discharged into the internal space of the housing 1 below the partition plate 6, because the central position of the top of the partition plate 6 is provided with the cavity 63, the top view direction projection of the cavity 63 is larger than that of the power equipment body 9 and smaller than that of the screen plate 8, the bottom end surface of the cavity 63 is provided with a plurality of groups of embedding holes 61 in a penetrating manner, the heat dissipation fan 22 is fixedly embedded in the embedding holes 61, and air pumped by the air pump 23 can be pumped into the cavity 63 by the heat dissipation fan 22, and blows upwards through the screen 8 to take away heat generated in the working process of the power equipment body 9, and sequentially passes through the through hole 74 on the noise reduction frame 7, the vent 4 on the shell 1 and the connecting air hole 21 on the first clamping block 12, and finally discharges, meanwhile, the copper heat conducting rod 73 on the noise reduction frame 7 can also guide out the heat in the inner cavity of the shell 1, so that the heat dissipation effect of the power equipment body 9 in the working process is greatly improved, moreover, as a plurality of groups of first screw holes 13 are arranged at one end of the first clamping block 12 close to the cover plate 2 in a penetrating way, a through hole 15 is arranged at the outer side of the first clamping groove 11 at the top end of the shell 1 in a penetrating way, a blind hole 14 is arranged at the inner side of the first clamping groove 11, a bolt 16 which sequentially penetrates through the through hole 15 and the first screw hole 13 and is in threaded connection with the blind hole 14 is arranged inside the through matching with the through hole 15, and the first screw holes 13 are adjusted to correspond to realize the fault tolerance between the vent 4 and the connecting air hole 21 (in the process, second fixture block 17 does not separate from second draw-in groove 18 all the time), increase its suitability, and when non-user state, can unscrew bolt 16 to submerge first fixture block 12 in first draw-in groove 11 completely, at this moment, stagger completely between blow vent 4 and the connection gas pocket 21, realize totally closed to casing 1, avoid outside dust etc. to enter into inside casing 1, this embodiment has specifically solved the poor problem of radiating effect of power equipment when the inside work of box among the prior art.
Further, the surface of the closing door 3 is provided with two receiving grooves 37 which are axisymmetrically arranged with respect to the vertical central axis of the groove 25, a support rod 38 and a movable plate 42 are arranged in the accommodating groove 37, one end of the support rod 38 is provided with a rotating rod 39 in a penetrating way, and both ends of the rotating rod 39 are movably connected with the inner wall of the accommodating groove 37 at the corresponding position through bearings, two side walls at the bottom end of the inner cavity of the accommodating groove 37 are both provided with guide grooves 41, the outer peripheral surface of the movable plate 42 is fixedly provided with a guide block 43 corresponding to the position of the guide groove 41, and the guide block 43 is in sliding fit with the guide groove 41, the movable plate 42 is fixedly provided with a snap-gauge 44 at the top and a second spring 45 at the bottom, both ends of the second spring 45 are respectively fixedly connected with the bottom end surfaces of the movable plate 42 and the accommodating groove 37, the outer edges of the two sides of the accommodating groove 37 are further provided with arc-shaped grooves 40, and one end of the support rod 38 away from the rotating rod 39 and the top end face of the clamping plate 44 are both arc-shaped.
As shown in fig. 1 and 10, the embodiment specifically includes: in the practical use process, when the sealing door 3 needs to be opened to repair or replace the electrical equipment body 9 inside the casing 1, a finger can be inserted from the arc-shaped groove 40, the support rod 38 is taken out from the accommodating groove 37, in the process, because one end of the support rod 38 away from the rotating rod 39 and the top end surface of the clamping plate 44 are both in the arc shape, when the support rod 38 moves outwards, the support rod 38 can downwards extrude the moving plate 42, the guide blocks 43 on the two sides of the moving plate 42 downwards move along the guide grooves 41 and compress the second spring 45, after the support rod 38 is separated from the clamping plate 44, the sealing door 3 is opened, the support rod 38 overturns with the rotating rod 39 as a central shaft, when the sealing door is rotated to a certain angle, the overturning degree of the sealing door 3 can be limited by using the inner wall of the accommodating groove 37, the U-shaped rod 35 can be pushed, the gear wheel 36 on the top of the sliding strip 34 is used for driving the gear 20 to rotate, therefore, the partition plate 6 is led out from the inside of the shell 1, convenience and rapidness are achieved, when the support rod 38 is reset, the movable plate 42 is only required to be compressed towards the direction of the second spring 45, after the support rod 38 is completely immersed into the accommodating groove 37, the movable plate 42 is loosened, under the action of the restoring force of the second spring 45, the support rod 38 is clamped by the clamping plate 44, the support rod is prevented from automatically running out of the accommodating groove 37, and the problem that the sliding strip 34 in the technical scheme is unstable in movement is specifically solved by the implementation mode.
The working principle of the invention is as follows:
when the sealing door is used, the electric power equipment is arranged in the shell 1, the sealing door 3 is closed, the shell 1 is placed at a designated working position, noise generated by the electric power equipment body 9 in the working process can enter the two side walls of the inner cavity of the shell 1 and the inside of the noise reduction frame 7 on the inner wall of one side of the inner cavity far away from the sealing door 3, so that the time for the noise to circulate in the noise reduction frame 7 is longer, the noise is fully absorbed by the sound absorption cotton layers coated on the two opposite sides of the two adjacent partition plates 72, the phenomenon that the transmitted noise is too large to influence the working environment of a laboratory is avoided, when the electric power equipment body 9 in the shell 1 needs to be maintained or replaced, the sealing door 3 is opened, the electric power equipment body 9 at the top of the partition plate 6 is exposed out of the environment by utilizing the meshing action between the sliding strip 34 and the gear teeth 36 at the bottom of the partition plate 6 and the gear 20, and the maintenance or replacement of the electric power equipment body by a worker is facilitated, in addition, the heat generated by the operation of the power equipment body 9 inside the casing 1 can be quickly conducted out through the cooperation between the heat dissipation fan 22 and the heat conduction rod 73, so that the stable operation of the power equipment is ensured.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a laboratory power equipment with noise reduction function, includes casing (1), casing (1) top is provided with apron (2), blow vent (4) and leading flank that multiunit parallel arrangement had all been seted up to the both sides of casing (1) have a door (3), its characterized in that through hinge swing joint: the inner cavity of the shell (1) is provided with a partition plate (6), two side walls of the inner cavity are correspondingly provided with slots (5), the partition plate (6) is movably inserted into the slots (5), the top of the partition plate (6) is provided with a noise reduction mechanism, the bottom of the partition plate is provided with a transmission mechanism, the central position of the top of the partition plate (6) is fixedly provided with a screen plate (8) through a pin, and the top of the screen plate (8) is fixedly provided with an electric power equipment body (9);
the noise reduction mechanism comprises three noise reduction frames (7), the three noise reduction frames (7) are respectively arranged on two side walls of an inner cavity of the shell (1) and an inner wall of the inner cavity far away from the sealing door (3), each noise reduction frame (7) comprises a side wall frame plate (71) and a plurality of partition plates (72) which are arranged in the horizontal direction at equal intervals, the inner peripheral surface of each side wall frame plate (71) is fixedly connected with the outer peripheral surfaces of the partition plates (72), a plurality of through holes (74) which are arranged in the horizontal direction at the same line are formed in one end of each partition plate (72), sound absorption cotton layers are wrapped on the opposite sides of the two adjacent partition plates (72), the through holes (74) in the two adjacent partition plates (72) are arranged in diagonal positions, a sealing strip (27) which is arranged in an inverted U shape is arranged on one side of the sealing door (3), a notch (32) which is matched with the sealing door (3) is arranged on one side of the shell (1) facing the sealing door (3), one side of the notch (32) facing the sealing door (3) is provided with a sealing groove (28) matched with the sealing strip (27);
the transmission mechanism comprises a rotating shaft (19), the rotating shaft (19) is arranged at a position close to a sealing door (3) below a separation plate (6), the two ends of the rotating shaft (19) are movably connected with the inner wall of a shell (1) corresponding to the corresponding position through bearings, two sliding grooves (26) which are axisymmetrically arranged relative to the central axis of the sealing door (3) are arranged on one side of the sealing door (3) facing the shell (1), sliding strips (34) are slidably connected inside the sliding grooves (26), U-shaped rods (35) are arranged on the top ends of the sliding strips (34) and fixedly connected with the sliding grooves through the U-shaped rods (35), a gear (20) is fixedly sleeved on the position corresponding to the sliding strips (34) outside the rotating shaft (19), and a plurality of gear teeth (36) are horizontally arranged on one side of the sliding strips (34) facing the gear (20) and the position corresponding to the gear (20) at the bottom of the separation plate (6), the gear (20) is meshed with gear teeth (36) at corresponding positions.
2. A laboratory electrical apparatus with a noise reduction function according to claim 1, characterized in that: close to casing (1) inner chamber is kept away from and is fallen frame (7) both ends of making an uproar of falling of closing a door (3) one side inner wall respectively with the frame (7) fixed connection of making an uproar of falling of casing (1) inner chamber both sides wall, power equipment body (9) are located the three U die cavity that falls the frame (7) and enclose.
3. A laboratory electrical apparatus with a noise reduction function according to claim 1, characterized in that: it is three fall and make an uproar frame (7) all are provided with acoustic celotex board (10) towards one side top and the bottom of casing (1) inner wall, and fall and make an uproar frame (7) through acoustic celotex board (10) and casing (1) inner wall fixed connection that correspond the position, fall the top face and the bottom face of making an uproar frame (7) and laminate with the top face of apron (2) bottom face and division board (6) respectively, and the binding face department that corresponds the position all is provided with the seal cushion layer.
4. A laboratory electrical apparatus with a noise reduction function according to claim 1, characterized in that: casing (1) both sides top border position is provided with second draw-in groove (18) that two sets of inner wall claddings have the cotton layer of sound absorption, apron (2) correspond towards one side of casing (1) and be equipped with second fixture block (17) with second draw-in groove (18) looks adaptation, and just two sets of second fixture block (17) are back style of calligraphy setting with two sets of second draw-in groove (18).
5. A laboratory electrical apparatus with a noise reduction function according to claim 1, characterized in that: seal door (3) top and set up recess (25), the position department that notch (32) inner wall corresponds recess (25) is provided with the screens groove, seal door (3) surface is provided with logical groove, lead to groove and be linked together with recess (25), and highly be the half of recess (25) degree of depth, it has sliding plate (29) to lead to the inside sliding connection of groove, sliding plate (29) top fixedly connected with picture peg (33), be provided with first spring (31) between sliding plate (29) and recess (25) inner chamber bottom, and the two is through first spring (31) fixed connection, sliding plate (29) bottom still is provided with telescope tube (30), and the both ends of telescope tube (30) respectively with sliding plate (29) and lead to the outward flange fixed connection of groove bottom, the both sides of telescope tube (30) and the outward flange activity laminating that leads to the groove both sides.
6. A laboratory electrical apparatus with a noise reduction function according to claim 1, characterized in that: cavity (63) have been seted up to division board (6) top central point and have been put, the overlook direction projection of cavity (63) is greater than the overlook direction projection of power equipment body (9) and is less than the overlook direction projection of otter board (8), the bottom face of cavity (63) runs through and is provided with multiunit and inlays hole (61), and inlays that hole (61) internal fixation inlays and be equipped with heat dissipation fan (22), division board (6) top four corners position all runs through and is equipped with second screw (62).
7. A laboratory electrical apparatus with a noise reduction function according to claim 1, characterized in that: the side partition plate (72) of the noise reduction frame (7) is provided with a plurality of groups of heat conducting rods (73) which are arranged in a rectangular array in a penetrating manner, and the heat conducting rods (73) are copper components.
8. A laboratory electrical apparatus with a noise reduction function according to claim 1, characterized in that: casing (1) inner chamber is located the bottom fixed mounting of division board (6) and has air pump (23), the inlet end of air pump (23) all is connected with the trachea with the end of giving vent to anger, and the trachea of air pump (23) inlet end runs through and extends to casing (1) outside of corresponding position to can dismantle and be connected with connector (24).
9. Laboratory electrical apparatus with noise reduction function according to claim 4, characterized in that: a first clamping groove (11) is arranged between two groups of second clamping grooves (18) at the top of the shell (1), a first clamping block (12) matched with the first clamping groove (11) is arranged between two groups of second clamping blocks (17) at the bottom of the cover plate (2), one end, close to the cover plate (2), of the first clamping block (12) is provided with a plurality of groups of first screw holes (13) in a penetrating manner, the outer side of the first clamping groove (11) at the top end of the shell (1) is provided with a through hole (15) in a penetrating manner and a blind hole (14) in an inner side in a penetrating manner, bolts (16) which sequentially penetrate through the through hole (15) and the first screw holes (13) and are in threaded connection with the blind holes (14) are arranged inside the through hole (15) in a matching manner, a plurality of connecting air holes (21) are further arranged on one side of the first clamping block (12), the number of the connecting air holes (21) is equal to that of the air holes (4), and the height of the connecting air holes (21) is smaller than the distance between two adjacent air holes (4), one end of the air vent (4) on the outer walls of the two sides of the shell (1) is fixedly provided with a dust screen (46).
10. Laboratory electrical apparatus with noise reduction function according to claim 5, characterized in that: the surface of the sealing door (3) is provided with two containing grooves (37) which are axially symmetrically arranged to the central axis in the vertical direction of the groove (25), a support rod (38) and a movable plate (42) are arranged inside the containing grooves (37), one end of the support rod (38) penetrates through a rotating rod (39), two ends of the rotating rod (39) are movably connected with the inner wall of the containing groove (37) at the corresponding position through bearings, two side walls of the bottom end of the inner cavity of the containing groove (37) are respectively provided with a guide groove (41), the position of the outer peripheral surface of the movable plate (42) corresponding to the guide groove (41) is fixedly provided with a guide block (43), the guide block (43) is in sliding fit with the guide groove (41), the top of the movable plate (42) is fixedly provided with a clamping plate (44) and the bottom of the movable plate is provided with a second spring (45), two ends of the second spring (45) are respectively fixedly connected with the movable plate (42) and the bottom end surface of the containing groove (37), the outer edges of two sides of the accommodating groove (37) are also provided with arc-shaped grooves (40), and one end of the support rod (38) far away from the rotating rod (39) and the top end face of the clamping plate (44) are both arranged in an arc shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010672584.2A CN111786268B (en) | 2020-07-14 | 2020-07-14 | Laboratory power equipment with noise reduction function |
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| CN202010672584.2A CN111786268B (en) | 2020-07-14 | 2020-07-14 | Laboratory power equipment with noise reduction function |
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| CN111786268A CN111786268A (en) | 2020-10-16 |
| CN111786268B true CN111786268B (en) | 2021-10-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113013749A (en) * | 2021-03-05 | 2021-06-22 | 刘见云 | Environment-friendly low-voltage complete equipment capable of reducing noise |
| CN115473147B (en) * | 2022-08-23 | 2023-12-05 | 无锡环宇电气有限责任公司 | Noise reduction structure of electrical control cabinet with high noise reduction coefficient |
| CN115872062B (en) * | 2023-01-09 | 2023-05-26 | 湖南工商大学 | Dampproofing save set that art design works used |
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| CN111786268A (en) | 2020-10-16 |
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Effective date of registration: 20230821 Address after: 572000 6th Floor, Building 3, Yabulun, Yazhou Bay Science and Technology City, Yazhou District, Sanya City, Hainan Province Patentee after: Zhihai Kunpeng (Hainan) Technology Co.,Ltd. Address before: 266000 room 1306, No. 119, Dunhua Road, Shibei District, Qingdao, Shandong Patentee before: SHANDONG CYCS ZHIYUAN ENVIRONMENT TECHNOLOGY CO.,LTD. |