CN111245368A

CN111245368A - Constant-temperature active filtering module

Info

Publication number: CN111245368A
Application number: CN202010034271.4A
Authority: CN
Inventors: 李桂平
Original assignee: Changsha Hengkai Electrical Appliance Co ltd
Current assignee: Changsha Hengkai Electrical Appliance Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-06-05

Abstract

The invention discloses a constant-temperature active filtering module which comprises a casing and an installation plate, wherein the right side of the installation plate is movably connected with the left side of the casing, the casing comprises an upper casing and a lower casing, the outer surface of the upper casing is movably connected with the inner wall of the lower casing, two sides of the inner wall of the casing are fixedly connected with limiting blocks, article placing cavities are formed in the two limiting blocks, and the inner surfaces of the two article placing cavities are movably connected with limiting rods. This active filtering module of constant temperature sets up the stopper through the both sides of the inner wall at last casing, and the cooperation is put the gag lever post and the filter of thing intracavity and can be prevented that external dust and the electric component in the filtering module from contacting to can avoid the dust to disturb it, pass through the catch bar after long-term the use, the expanding spring in the spacing groove of deuterogamying, the gag lever post that can the filter both ends is released and is put the inside in thing chamber, and then takes off the filter conveniently fast and wash it.

Description

Constant-temperature active filtering module

Technical Field

The invention relates to the technical field of filter modules, in particular to a constant-temperature active filter module.

Background

Active filtering is a filter consisting of RC elements and operational amplifiers, called RC active filter, whose function is to let signals in a certain frequency range pass, and to suppress or sharply attenuate signals outside this frequency range. The filter can be used in the aspects of information processing, data transmission, interference suppression and the like, but is limited by the frequency band of an operational amplifier, the filter is mainly used in a low frequency range, and can be divided into four filters, namely a Low Pass Filter (LPF), a High Pass Filter (HPF), a Band Pass Filter (BPF) and a band reject filter (BEF) according to different frequency ranges, generally speaking, the better the amplitude-frequency characteristic of the filter is, the worse the phase-frequency characteristic thereof is, and vice versa, and the filter is generally a relatively exquisite and attractive network cabinet.

The existing edge filtering modules are all installed in the shell, and the electrical original parts in the edge filtering modules are more, so that the heat emitted is large, heat dissipation holes need to be formed, external dust easily enters the shell easily due to the heat dissipation holes, and the external dust is extremely prone to being interfered by the dust to the electrical original parts on the edge filtering modules after long-term use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a constant-temperature active filter module, which solves the problems that the number of electrical elements in the active filter module is large, heat dissipation holes need to be formed, and external dust dries internal electrical components after long-term use.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a constant temperature active filter module, includes casing and mounting panel, the left side swing joint of mounting panel right side and casing, the casing includes upper housing and lower casing, the surface of upper housing has the inner wall swing joint of casing down, the equal fixedly connected with stopper in both sides of casing inner wall, two the inside of stopper has been seted up and has been put the thing chamber, two put the equal swing joint of internal surface in thing chamber and have the gag lever post, two swing joint has the filter between the relative one end of gag lever post, the both sides of filter all set up with the spacing groove, the internal surface of spacing groove and the surface sliding connection of gag lever post, the internal surface fixedly connected with drive spring of spacing groove, drive spring's one end and the one end fixed connection of gag lever post, the external surface fixedly connected with plectrum of gag lever post.

Preferably, the bottom end of the limiting block is slidably connected with a push rod, one end of the push rod penetrates through the limiting block and extends into the limiting block, an expansion spring is sleeved on the outer surface of the push rod, one end of the expansion spring is fixedly connected with one side of the limiting block, a vent is formed in the top of the upper casing, and a heat dissipation fan is fixedly connected to the top of the inner cavity of the upper casing.

Preferably, the positive swing joint of lower casing has spacing frame, one side of spacing frame runs through lower casing and upper housing in proper order and extends to the outside of lower casing from outer to interior, one side sliding connection of spacing frame has the actuating lever, one side of actuating lever runs through spacing frame and extends to the inside of spacing frame, the fixed surface of actuating lever is connected with the fixed plate, the outer surface cover of actuating lever is equipped with reset spring, reset spring's one end fixed connection is fixed to one side of fixed plate.

Preferably, the top and the below of spacing frame inner wall one side all sliding connection have a sliding block, two the relative one side of keeping away from of sliding block runs through spacing frame and extends to the outside of spacing frame, one side of sliding block contacts with the internal surface of upper housing.

Preferably, the thing groove has all been seted up to inside top of mounting panel and below, the inside rotation of putting the thing groove is connected with the rotation minor axis, the surface valley bottom of rotating the minor axis is connected with the rotating gear, the one end of rotating the minor axis runs through the mounting panel and extends the outside of mounting panel, the internal surface sliding connection who puts the thing groove has the rack, the surface of rack meshes with the surface of rotating gear mutually, one side fixedly connected with dog of rack.

Preferably, the upper side and the lower side of the left side of the machine shell are fixedly connected with connecting blocks, a through groove is fixedly formed in one side of the installation, and an adaptive groove is formed in one side of each connecting block.

Preferably, the inside of logical groove with put the inside intercommunication of thing groove, the internal surface in adaptation groove and the surface adaptation of dog.

Preferably, the right side fixedly connected with bracing piece of mounting panel, the bracing piece bottom contacts through the bottom of backup pad with the casing.

Preferably, one end of the rotating short shaft is fixedly connected with a connecting plate, and one side of the connecting plate is fixedly connected with a rotating handle.

(III) advantageous effects

The invention provides a constant-temperature active filtering module. Compared with the prior art, the method has the following beneficial effects:

(1) the constant-temperature active filtering module comprises an upper shell and a lower shell, wherein the outer surface of the upper shell is movably connected with the inner wall of the lower shell, two sides of the inner wall of the shell are fixedly connected with limit blocks, object placing cavities are formed inside the two limit blocks, inner surfaces of the two object placing cavities are movably connected with limit rods, a filter plate is movably connected between the opposite ends of the two limit rods, two sides of the filter plate are respectively provided with a limit groove, the inner surface of the limit groove is in sliding connection with the outer surface of the limit rod, the inner surface of the limit groove is fixedly connected with a driving spring, one end of the driving spring is fixedly connected with one end of the limit rod, the outer surface of the limit rod is fixedly connected with a shifting piece, the bottom end of the limit block is in sliding connection with a push rod, one end of the push rod penetrates through the limit, one end of expanding spring and one side fixed connection of stopper, the vent has been seted up at the top of upper casing, the top fixedly connected with radiator fan of upper casing inner chamber, both sides through the inner wall at upper casing set up the stopper, the gag lever post and the filter that the thing intracavity was put in the cooperation can prevent that external dust and the electric component in the filter module from contacting, thereby can avoid the dust to disturb it, pass through the catch bar after long-term the use, the expanding spring in the spacing groove of deuterogamying, the gag lever post that can the filter both ends is released and is put the inside in thing chamber, and then take off the filter fast and conveniently rinse it.

(2) The constant-temperature active filter module is movably connected with a limit frame through the front side of a lower shell, one side of the limit frame sequentially penetrates through the lower shell and an upper shell from outside to inside and extends to the outside of the lower shell, one side of the limit frame is connected with a driving rod in a sliding manner, one side of the driving rod penetrates through the limit frame and extends to the inside of the limit frame, the outer surface of the driving rod is fixedly connected with a fixed plate, the outer surface of the driving rod is sleeved with a reset spring, one end of the reset spring is fixed to one side of the fixed plate and is fixedly connected, sliding blocks are respectively connected above and below one side of the inner wall of the limit frame in a sliding manner, the relatively far sides of the two sliding blocks penetrate through the limit frame and extend to the outside of the limit frame, one side of the sliding blocks is contacted with the inner surface of the upper shell, the driving rod is arranged, thereby can couple together upper casing and lower casing, can separate upper casing and lower casing fast through this structure, conveniently inspect the original paper of inside, this structure is comparatively simple, easily promotes.

(3) The constant-temperature active filter module is characterized in that the upper part and the lower part inside the mounting plate are respectively provided with an object placing groove, the inner part of the object placing groove is rotatably connected with a rotating short shaft, the valley bottom of the outer surface of the rotating short shaft is connected with a rotating gear, one end of the rotating short shaft penetrates through the mounting plate and extends out of the mounting plate, the inner surface of the object placing groove is slidably connected with a rack, the outer surface of the rack is meshed with the outer surface of the rotating gear, one side of the rack is fixedly connected with a stop block, the upper part and the lower part of the left side of the casing are respectively fixedly connected with a connecting block, the rotary short shaft is arranged in the mounting plate, the stop blocks on the gear and the rack are matched to rotate, the connecting block on the casing can be limited, the casing can be quickly fixed through the structure, and the mounting and the operation are convenient.

Drawings

FIG. 1 is a sectional view showing a partial structure of a cabinet according to the present invention;

FIG. 2 is a front view of the internal structure of the stop block of the present invention;

FIG. 3 is a front view of the internal structure of the mounting plate of the present invention;

FIG. 4 is a side view of a partial structure of the housing of the present invention;

fig. 5 is a perspective view of the exterior structure of the cabinet of the present invention.

In the figure, 1-machine shell, 2-mounting plate, 3-upper machine shell, 4-lower machine shell, 5-limiting block, 6-object placing cavity, 7-limiting rod, 8-filter plate, 9-limiting groove, 10-driving spring, 11-plectrum, 12-pushing rod, 13-expansion spring, 14-ventilation opening, 15-cooling fan, 16-limiting frame, 17-driving rod, 18-fixing plate, 19-reset spring, 20-sliding block, 21-object placing groove, 22-rotating short shaft, 23-rotating gear, 24-rack, 25-connecting block, 26-stop block, 27-through groove, 28-adapting groove, 29-supporting rod, 30-connecting plate and 31-rotating handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a constant-temperature active filter module comprises a machine shell 1 and a mounting plate 2, wherein a supporting rod 29 is fixedly connected to the right side of the mounting plate 2, the bottom end of the supporting rod 29 is in contact with the bottom of the machine shell 1 through a supporting plate, one side of the machine shell 1 can be prevented from sagging after being used for a long time through the supporting rod 29, connecting blocks 25 are fixedly connected to the upper side and the lower side of the left side of the machine shell 1, the connecting blocks 25 slide on the inner surface of a through groove 27, a through groove 27 is fixedly formed in one side of the mounting plate 2, the inner part of the through groove 27 is communicated with the inner part of a storage groove 21, the inner surface of an adapting groove 28 is adapted to the outer surface of a stop block 26, when the stop block 26 enters the adapting groove 28, the machine shell 1 is fixed, the adapting groove 28 is formed in one side of the connecting block 25, the storage grooves, one end of the rotary short shaft 22 is fixedly connected with a connecting plate 30, one side of the connecting plate 30 is fixedly connected with a rotary handle 31, the rotary gear 23 is driven to rotate by the rotary handle 31, so that the stop dog 26 on the rack 24 enters the adapting groove 28, the valley bottom of the outer surface of the rotary short shaft 22 is connected with the rotary gear 23, one end of the rotary short shaft 22 penetrates through the mounting plate 2 and extends out of the mounting plate 2, the rack 24 is connected with the inner surface of the storage groove 21 in a sliding manner, the outer surface of the rack 24 is meshed with the outer surface of the rotary gear 23, the stop dog 26 is fixedly connected with one side of the rack 24, the front surface of the lower shell 4 is movably connected with a limiting frame 16, the limiting frame 16 slides in the shell 1, the four limiting frames 16 are arranged on the front surface and the back surface of the shell 1, the driving rod 17 is arranged in, the upper shell 3 and the lower shell 4 can be connected by utilizing the sliding block 20 to contact with the inner wall of the upper shell 3, the upper shell 3 and the lower shell 4 can be quickly separated by the structure, the internal original can be conveniently checked, the structure is simple and easy to popularize, the sliding blocks 20 are respectively connected above and below one side of the inner wall of the limiting frame 16 in a sliding way, the relatively far sides of the two sliding blocks 20 penetrate through the limiting frame 16 and extend to the outside of the limiting frame 16, one side of the sliding block 20 is contacted with the inner surface of the upper shell 3, one side of the limiting frame 16 sequentially penetrates through the lower shell 4 and the upper shell 3 from outside to inside and extends to the outside of the lower shell 4, one side of the limiting frame 16 is connected with the driving rod 17 in a sliding way, one side of the driving rod 17 penetrates through the limiting frame 16 and extends to the inside of the limiting frame 16, the outer surface of the driving rod 17 is, the outer surface of the driving rod 17 is sleeved with a return spring 19, one end of the return spring 19 is fixed on one side of the fixing plate 18, the right side of the mounting plate 2 is movably connected with the left side of the casing 1, the casing 1 comprises an upper casing 3 and a lower casing 4, the outer surface of the upper casing 3 is movably connected with the inner wall of the lower casing 4, both sides of the inner wall of the casing 1 are fixedly connected with a limiting block 5, the bottom end of the limiting block 5 is slidably connected with a push rod 12, one end of the push rod 12 and one side of a sliding block 20 are inclined planes, one end of the push rod 12 penetrates through the limiting block 5 and extends to the inside of the limiting block 5, the outer surface of the push rod 12 is sleeved with a telescopic spring 13, one end of the telescopic spring 13 is fixedly connected with one side of the limiting block 5, the top of the upper casing 3 is provided with, the inside of two limiting blocks 5 is provided with a containing cavity 6, the inner surfaces of the two containing cavities 6 are movably connected with limiting rods 7, a filter plate 8 is movably connected between the opposite ends of the two limiting rods 7, two sides of the filter plate 8 are respectively provided with a limiting groove 9, the inner surface of the limiting groove 9 is in sliding connection with the outer surface of the limiting rod 7, the inner surface of the limiting groove 9 is fixedly connected with a driving spring 10, one end of the driving spring 10 is fixedly connected with one end of the limiting rod 7, the limiting blocks 5 are arranged on two sides of the inner wall of the upper casing 3, the limiting rods 7 and the filter plate 8 in the containing cavity 6 are matched to prevent external dust from contacting with electrical components in a filter module, so that the dust can be prevented from interfering the filtering module, the limiting rods 7 at two ends of the filter plate 8 can be pushed out of the containing cavity 6, the filter plate 8 is then quickly removed for cleaning, and the outer surface of the limiting rod 7 is fixedly connected with a shifting piece 11, and the details which are not described in detail in the specification belong to the prior art which is well known to those skilled in the art.

When the cleaning device is used, firstly, the upper machine shell 3 is slowly sent to the inside of the lower machine shell 4, then the limiting block 5 is slid to the inside of the machine shell 1, then the push rod 12 is pushed, the inclined plane on the push rod 12 is contacted with the inclined plane on the sliding block 20, at the moment, the return spring 19 on the fixing plate 18 is in a natural state, so that a part of the sliding block 20 slides out of the limiting frame 16 and is contacted with the inner wall of the upper machine shell 3, so that the upper machine shell 3 is fixedly connected with the lower machine shell, then the connecting block 25 is sent into the through groove 27, the machine shell 1 is placed on the supporting plate on the supporting rod 29, then the rotating handle 31 is rotated, the rotating gear 23 is driven to rotate, the rack 24 is driven to slide towards the through groove 27 until the stop block 26 is contacted with the adaptive groove 28 on the connecting block 25, namely, when the filter plate 8 needs to be, then press catch bar 12, and then drive gag lever post 7 and upwards slide, loosen catch bar 12 and reset catch bar 12 behind expanding spring 13 to can pull out gag lever post 7 under drive spring 10 and put thing chamber 6, when installing filter 8, can make gag lever post 7 get into the inside of putting thing chamber 6 through promoting plectrum 11, and fix gag lever post 7, drive spring 10 is in tensile state this moment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a constant temperature active filter module, includes casing (1) and mounting panel (2), the left side swing joint of mounting panel (2) right side and casing (1), its characterized in that: the machine shell (1) comprises an upper machine shell (3) and a lower machine shell (4), the outer surface of the upper machine shell (3) is movably connected with the inner wall of the lower machine shell (4), both sides of the inner wall of the shell (1) are fixedly connected with limit blocks (5), the inside of the two limit blocks (5) is provided with object placing cavities (6), the inner surfaces of the two object placing cavities (6) are movably connected with limit rods (7), a filter plate (8) is movably connected between the opposite ends of the two limit rods (7), both sides of the filter plate (8) are provided with limit grooves (9), the inner surface of each limit groove (9) is connected with the outer surface of the limit rod (7) in a sliding way, the inner surface of the limit groove (9) is fixedly connected with a driving spring (10), one end of the driving spring (10) is fixedly connected with one end of the limiting rod (7), and the outer surface of the limiting rod (7) is fixedly connected with a shifting piece (11).

2. The constant-temperature active filtering module according to claim 1, characterized in that: the bottom sliding connection of stopper (5) has catch bar (12), the one end of catch bar (12) runs through stopper (5) and extends to the inside of stopper (5), the surface cover of catch bar (12) is equipped with expanding spring (13), one end of expanding spring (13) and one side fixed connection of stopper (5), vent (14) have been seted up at the top of upper casing (3), the top fixedly connected with radiator fan (15) of upper casing (3) inner chamber.

3. The constant-temperature active filtering module according to claim 1, characterized in that: the front swing joint of lower casing (4) has spacing frame (16), one side of spacing frame (16) from outer to interior run through lower casing (4) and last casing (3) in proper order and extend to the outside of lower casing (4), one side sliding connection of spacing frame (16) has actuating lever (17), one side of actuating lever (17) runs through spacing frame (16) and extends to the inside of spacing frame (16), the outer fixed surface of actuating lever (17) is connected with fixed plate (18), the outer surface cover of actuating lever (17) is equipped with reset spring (19), the one end fixed connection of the fixed reset spring (19) of one side of fixed plate (18).

4. A constant temperature active filter module according to claim 3, wherein: the equal sliding connection in top and the below of spacing frame (16) inner wall one side has sliding block (20), two one side of keeping away from relatively of sliding block (20) runs through spacing frame (16) and extends to the outside of spacing frame (16), the internal surface of one side and last casing (3) of sliding block (20) contacts.

5. The constant-temperature active filtering module according to claim 1, characterized in that: the utility model discloses a storage box, including mounting panel (2), inside top and below have all been seted up and have been put thing groove (21), the inside rotation of putting thing groove (21) is connected with rotation minor axis (22), the surface valley bottom of rotating minor axis (22) is connected with running gear (23), the one end of rotating minor axis (22) runs through mounting panel (2) and extends the outside of mounting panel (2), the internal surface sliding connection who puts thing groove (21) has rack (24), the surface of rack (24) meshes with the surface of running gear (23) mutually, one side fixedly connected with dog (26) of rack (24).

6. The constant-temperature active filtering module according to claim 1, characterized in that: the utility model discloses a motor casing, including casing (1), the equal fixedly connected with connecting block (25) in left top and below of casing (1), logical groove (27) have been seted up to one side of mounting panel (2) is fixed, adaptation groove (28) have been seted up to one side of connecting block (25).

7. A constant-temperature active filtering module according to claim 6, characterized in that: the interior of the through groove (27) is communicated with the interior of the storage groove (21), and the inner surface of the adapting groove (28) is adapted to the outer surface of the stop block (26).

8. The constant-temperature active filtering module according to claim 1, characterized in that: the right side fixedly connected with bracing piece (29) of mounting panel (2), the bottom of bracing piece (29) is through the bottom contact of backup pad with casing (1).

9. A constant-temperature active filtering module according to claim 5, characterized in that: one end of the rotating short shaft (22) is fixedly connected with a connecting plate (30), and one side of the connecting plate (30) is fixedly connected with a rotating handle (31).