FIR digital all-pass filter processor

Abstract

The utility model relates to the technical field of all-pass filter processors, in particular to an FIR (Finite Impulse Response) digital all-pass filter processor, which comprises a case, an aluminum panel arranged on the case, a cover arranged on the case, a circuit board arranged on the case, sliding rails symmetrically arranged in the case, insertion rods symmetrically arranged on the aluminum panel, and an elastic piece arranged on the insertion rods. The sliding rail is fixedly connected with the inner wall of the machine box, the sliding rail is in a strip shape, sliding grooves are symmetrically formed in the sliding rail, the sliding grooves are in a penetrating shape, a fan is arranged in the machine box, a power panel is arranged in the machine box, an input panel is arranged in the machine box, the input panel is matched with the aluminum panel, and the fan is matched with the aluminum panel. Through the arrangement of the sliding grooves and the insertion rods, the disassembly smoothness can be improved when the aluminum panel needs to be disassembled, abrasion caused by mutual collision of the buckles and the clamping grooves during buckle splicing disassembly is avoided, compared with the prior art, the disassembly smoothness of the aluminum panel can be effectively improved, and then the disassembly and replacement efficiency of the case is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to all-pass filter processor technical field especially FIR digital all-pass filter processor. BACKGROUND

[0002] FIR filter: finite length unit impulse response filter, also called non recursive filter, is the most basic element in digital signal processing system, it can guarantee arbitrary amplitude frequency characteristic while having strict linear phase frequency characteristic, and its unit sample response is finite length, so that the filter is stable system.

[0003] The existing filter is usually docked with each other in the precise hole mode during use, and the precise hole can effectively improve the assembly of the filter, the cover body needs to be disassembled and cleaned of dust and the internal components need to be replaced for many times during long-time use, and the disassembly for many times not only wears the cover body of the filter component, but also causes the paint surface to wear and appear to be pulled rough, thereby reducing the disassembly efficiency of the filter.

[0004] Therefore, the utility model discloses FIR digital all-pass filter processor. UTILITY MODEL CONTENTS

[0005] The utility model discloses FIR digital all-pass filter processor which solves the problem of the cover roughness after long-time use of the prior art.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] FIR digital all-pass filter processor, including the case, be equipped with aluminium panel on the case, be equipped with machine cover on the case, be equipped with circuit board on the case;

[0008] Symmetrical slide rail is equipped in the case, and the aluminium panel is equipped with the plug rod.

[0009] Preferably, the slide rail is fixedly connected with the inner wall of the case, the slide rail is strip-shaped, the slide rail is symmetrically provided with a slide groove, and the slide groove is in the form of penetration.

[0010] Preferably, the case is equipped with a fan, a power board and an input board, the input board is matched with the aluminium panel, and the fan is matched with the aluminium panel.

[0011] Preferably, the plug rod is fixedly connected with the aluminium panel, the plug rod is strip-shaped, and the plug rod is matched with the slide groove.

[0012] Preferably, the aluminum panel is provided with a volume plate, the case is provided with a radiator, the case is provided with a transformer, the case is provided with a button for operation, the aluminum panel is provided with a liquid crystal screen for identification, the cover is provided with a plurality of buckles, the case is provided with a plurality of grooves, and the cover is fixedly connected with the case.

[0013] Preferably, the bottom of the case is provided with a plurality of feet for supporting, the case is provided with a power switch for cutting off power, and the case is provided with a power socket for power connection of the power switch.

[0014] The utility model discloses a beneficial effect is:

[0015] 1, the utility model discloses a chute and the setting of the plug rod make aluminum panel when needing to disassemble can improve the fluent nature of disassembly, avoid the buckle and the buckle groove mutual collision and appear wear and tear when the buckle splicing disassembly, compared with prior art, can effectively improve the fluent nature of aluminum panel disassembly, and further improve the dismounting efficiency of the case.

[0016] 2, the utility model discloses the setting of the slide rail makes the case and aluminum panel interconnect more fluent, spares the aluminum panel still need a plurality of buckles and splices the procedure, thereby effectively improves the splicing effect of aluminum panel, and the slide rail can effectively limit the insertion direction of aluminum panel, avoids the deflection of aluminum panel after insertion and splicing failure, and further leads to the wear and tear of the edge of aluminum panel and the case. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural diagram of FIR digital all-pass filter processor that the utility model provides;

[0018] Figure 2 It is the explosion diagram of FIR digital all-pass filter processor that the utility model provides;

[0019] Figure 3 It is the internal structure diagram of the case of FIR digital all-pass filter processor that the utility model provides;

[0020] Figure 4 It is the internal structure diagram of the aluminum panel of FIR digital all-pass filter processor that the utility model provides.

[0021] In the drawing: 1, case;2, circuit board;3, aluminum panel;4, fan;5, power board;6, input board;7, volume plate;8, radiator;9, transformer;10, button;11, liquid crystal screen;12, cover;13, foot;14, power switch;15, power socket;16, slide rail;17, chute;18, plug rod. DETAILED DESCRIPTION

[0022] Reference Figures 1-4, FIR digital all-pass filter processor, including the chassis 1, the chassis 1 is the existing filter shell, the whole is flat and the whole is made of aluminum alloy material, can effectively improve the lightness and impact strength of the chassis 1, the aluminum panel 3 is made of aluminum, which is mainly used to close the side of the chassis 1, and is convenient for maintaining the internal electronic components of the chassis 1, the cover 12 is a member used to store the top of the existing technology, the whole is square, which can effectively increase the connection effect, the circuit board 2 is the existing technology, which is a convergence device connected to various devices in the chassis 1.

[0023] The sliding rail 16 is symmetrically arranged in the chassis 1 and is made of aluminum alloy material and needs to be polished to reduce the friction coefficient, thereby increasing the sliding smoothness. The sliding rail 16 is fixedly connected with the inner wall of the chassis 1 by welding, which can effectively improve the connection strength of the sliding rail 16 in the chassis 1 and thereby improve the service life. The sliding rail 16 is in strip shape, which can improve the limiting effect and thereby improve the depth. The sliding groove 17 is symmetrically arranged in the sliding rail 16 and is recessed in the side wall of the sliding rail 16, which can effectively improve the limiting effect. The sliding groove 17 is in through type and has the same length as the sliding rail 16.

[0024] The fan 4 is arranged in the chassis 1 and is a structure used for heat dissipation of the filter in the existing technology. The power board 5 is arranged in the chassis 1 and is a power combination board of the internal components of the filter. The input board 6 is arranged in the chassis 1 and is a component for receiving information of the internal components of the filter. The input board 6 is adapted to the aluminum panel 3 and the hole arranged on the aluminum panel 3. The fan 4 is adapted to the aluminum panel 3, and the square hole arranged on the aluminum panel 3 is mainly used for connecting the fan 4.

[0025] The insertion rod 18 is symmetrically arranged on the aluminum panel 3 and is made of aluminum alloy material, which is mainly used for the smoothness of the splicing of the aluminum panel 3 and the chassis 1, so that the aluminum panel 3 can be spliced with the chassis 1 smoothly and avoid the buckling splicing mode which may be worn after long-term use. The insertion rod 18 is fixedly connected with the aluminum panel 3 by welding. The insertion rod 18 is in strip shape and is adapted to the sliding groove 17.

[0026] The volume board 7 is arranged on the aluminum panel 3 and is a component used for adjusting the sound size of the device in the existing technology. The radiator 8 is arranged in the chassis 1 and is an auxiliary heat dissipation component which can increase the heat discharge effect under the driving of the fan 4. The transformer 9 is arranged in the chassis 1 and is the existing technology. The button 10 is arranged on the chassis 1 for operation, which can improve the operation ease of the chassis 1. The liquid crystal screen 11 is arranged on the aluminum panel 3 for identification, which is used to improve the identification of the information of the chassis 1. The cover 12 is provided with a plurality of buckles, and the chassis 1 is provided with a plurality of grooves. The cover 12 is fixedly connected with the chassis 1.

[0027] The bottom of the case 1 is provided with a plurality of supporting feet 13, which are auxiliary components for lifting the case 1 to be higher than the ground, thereby maintaining the air flow effect of the bottom of the case 1.

[0028] The working principle of the utility model is as follows:

[0029] The power switch 14 is opened to power on the filter, the button 10 is used for preliminary operation setting, the equipment parameters are adjusted to the required state, the information displayed on the liquid crystal screen 11 is observed, and it is confirmed whether the equipment running state and parameter setting are correct; the fan 4 starts to work to dissipate heat inside the filter; the radiator 8 assists the fan 4 to increase the heat discharge effect, so that the equipment can maintain a stable temperature under long-time operation; the sound volume plate 7 is used to adjust the sound size of the equipment to achieve a comfortable hearing effect; if the inside of the case 1 needs to be maintained or repaired, the power switch 14 is closed to cut off the power, the cover 12 is opened, the internal components are easily accessed through the fixing connection mode of the buckle and the groove, the strip structure of the plug rod 18 is used to smoothly move or replace the aluminum panel 3 and other related parts, the power switch 14 is operated again to disconnect the power after use, the power socket 15 is connected stably for next use, the case 1 is lifted by the supporting feet 13 to maintain the air flow at the bottom, and different working environments are adapted.

[0030] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A FIR digital all-pass filter processor, comprising a cabinet (1), an aluminum panel (3) is arranged on the cabinet (1), a cover (12) is arranged on the cabinet (1), and a circuit board (2) is arranged on the cabinet (1), characterized in that: symmetrical slide rails (16) are arranged in the cabinet (1), and symmetrical insertion rods (18) are arranged on the aluminum panel (3).

2. The FIR digital all-pass filter processor of claim 1, wherein, The slide rails (16) are fixedly connected with the inner wall of the cabinet (1), the slide rails (16) are in strip shape, symmetrical slide grooves (17) are arranged in the slide rails (16), and the slide grooves (17) are in penetrating shape.

3. The FIR digital allpass filter processor of claim 1, wherein, A fan (4) is arranged in the cabinet (1), a power board (5) is arranged in the cabinet (1), an input board (6) is arranged in the cabinet (1), the input board (6) is matched with the aluminum panel (3), and the fan (4) is matched with the aluminum panel (3).

4. The FIR digital allpass filter processor of claim 2, wherein, The insertion rods (18) are fixedly connected with the aluminum panel (3), the insertion rods (18) are in strip shape, and the insertion rods (18) are matched with the slide grooves (17).

5. The FIR digital allpass filter processor of claim 1, wherein, A volume board (7) is arranged on the aluminum panel (3), a radiator (8) is arranged in the cabinet (1), a transformer (9) is arranged in the cabinet (1), a button (10) for operation is arranged on the cabinet (1), a liquid crystal screen (11) for identification is arranged on the aluminum panel (3), a plurality of buckles are arranged on the cover (12), a plurality of recesses are arranged on the cabinet (1), and the cover (12) is fixedly connected with the cabinet (1).

6. The FIR digital allpass filter processor of claim 1, wherein, A plurality of machine legs (13) for supporting are arranged at the bottom of the cabinet (1), a power switch (14) for cutting off power is arranged on the cabinet (1), and a power socket (15) for connecting the power switch (14) with power is arranged on the cabinet (1).

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