Tunnel broadcast power amplifier controller
By adopting a snap-on design in the tunnel broadcast amplifier controller, the cumbersome installation and disassembly in the existing technology is solved, and the panel shell is conveniently installed and disassembled, and the protection and structural strength of the equipment are improved.
Patent Information
- Application Number
- CN202421631449.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The existing tunnel broadcast amplifier controller requires a screwdriver during installation and disassembly. The operation is complicated and easy to fail due to screw threads, which affects the assembly effect.
It adopts a clamping design, and the panel shell is easily installed and disassembled by embedded blocks, mounting blocks, metal shrapnel plates and positioning rods, without the need for a screwdriver.
The loading and unloading process of the panel shell is simplified, the assembly effect of the tunnel broadcast amplifier controller is improved, and the protection and structural strength of the equipment are enhanced by adding structures such as rubber pads and protective racks.
Smart Images

Figure CN222776219U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of broadcast power amplifier controllers, in particular to a tunnel broadcast power amplifier controller. Background Art
[0002] The broadcast controller is mainly composed of a controller, audio input, power amplifier, speaker and other parts. Its principle is to transmit the audio signal to the power amplifier through the audio input, and then output the amplified audio signal to the speaker so that the sound can be spread. Tunnel broadcasting refers to the introduction of ground wireless FM broadcasting into the tunnel broadcasting, so that vehicles traveling in the tunnel can also listen to FM radio signals.
[0003] The prior art discloses patent application number "CN202023064797.1", a new type of power amplifier controller for fire emergency broadcasting, including a controller body, the upper surface of the controller body is provided with a base frame, and one side of the upper surface of the base frame is fixedly connected to a vertical frame. The designed base frame, vertical frame, movable vertical frame, nut and worm gear facilitate the fixation of peripherals that need to be connected to the upper surface of the power amplifier controller through the bracket, so as to prevent the peripherals from falling and being damaged due to unstable fixation.
[0004] The power amplifier controller can only be fixed by a bracket, and in actual use, since the panel shells of most tunnel broadcast power amplifier controllers are fixed with screws, this installation method requires the use of a screwdriver, which makes loading and unloading more cumbersome. At the same time, if the screws are stripped, the entire panel shell cannot be installed or removed, which affects the assembly effect of the tunnel broadcast power amplifier controller and is inconvenient to use. Utility Model Content
[0005] The purpose of the utility model is to provide a tunnel broadcast power amplifier controller to solve the problems raised in the above background technology.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] The tunnel broadcast power amplifier controller comprises a broadcast power amplifier controller body, a panel shell is fixedly arranged on the front side of the broadcast power amplifier controller body, two embedded blocks are installed on the rear side of the panel shell, the embedded blocks are located inside the broadcast power amplifier controller body, both ends of the broadcast power amplifier controller body are fixedly connected with mounting blocks, and two metal shrapnel plates are connected on the rear side of the panel shell;
[0008] Both mounting blocks are provided with L-shaped grooves inside, and the metal spring plates are located inside the L-shaped grooves. The mounting blocks are used to fix the metal spring plates. A card plate is fixedly connected to the rear side of the panel shell, and an L-shaped connecting plate is connected to the upper side of the broadcast power amplifier controller body. An array-distributed positioning rod is slidably connected to the lower side of the L-shaped connecting plate, and a No. 1 connecting spring is connected between the positioning rod and the L-shaped connecting plate.
[0009] Preferably, a top plate is installed on the upper side of the positioning rod, and two U-shaped handles are fixedly connected to the front side of the panel housing.
[0010] Preferably, first rubber pads are fixedly installed at both ends of the panel housing, and a rubber holder is installed on the rear side of the broadcast power amplifier controller body. The first rubber pad and the rubber holder are used to protect the broadcast power amplifier controller body.
[0011] Preferably, a first protection card frame is clamped on the upper side of the broadcast power amplifier controller body, a second protection card frame is slidably connected to the lower side of the first protection card frame, and a No. 2 connecting spring is connected in an array between the first protection card frame and the second protection card frame.
[0012] Preferably, both ends of the first protection card frame and the second protection card frame are connected to second rubber pads in an array, four heightened bases are respectively installed on the lower side of the broadcast power amplifier controller body, and the lower sides of the four heightened bases are connected to rubber blocks.
[0013] Preferably, the embedded block is used to fix the panel housing, the rear side of the clamping plate passes through the L-shaped connecting plate and extends to the rear side of the L-shaped connecting plate, and the upper side of the positioning rod passes through the L-shaped connecting plate and extends to the upper side of the L-shaped connecting plate.
[0014] Beneficial effects of the utility model:
[0015] 1. The utility model can facilitate the assembly of the panel housing and the broadcast power amplifier controller by using a snap-on method, making the assembly and disassembly of the panel housing simple and convenient without using a screwdriver, thereby improving the assembly effect of the tunnel broadcast power amplifier controller;
[0016] 2. The utility model allows the protective card frame and the second rubber pad at the protective card frame to protect the tunnel broadcast power amplifier controller together, and then uses the first rubber pad and the rubber card seat to further protect the tunnel broadcast power amplifier controller, thereby increasing its overall structural strength, which is beneficial to improving the protection of the tunnel broadcast power amplifier controller and preventing the tunnel broadcast power amplifier controller from being directly damaged by collision. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This utility model Figure 1 Schematic diagram of the structure of the middle L-shaped connecting plate, the clamping plate and the positioning plug rod;
[0020] Figure 3 This utility model Figure 1 Installation diagram of the middle mounting block and metal spring plate;
[0021] Figure 4 This utility model Figure 1 Schematic diagram of the structure of the middle height-enhancing base and rubber block;
[0022] Figure 5 This utility model Figure 1 Installation diagram of the first protection bracket, the second protection bracket and the second connecting spring;
[0023] The reference numerals in the figures are as follows:
[0024] 1. Broadcasting power amplifier controller body; 2. Panel shell; 3. Embedded block; 4. Mounting block; 5. L-shaped groove; 6. Metal spring plate; 7. L-shaped connecting plate; 8. Card plate; 9. Positioning plug rod; 10. No. 1 connecting spring; 11. Top plate; 12. U-shaped handle; 13. First rubber pad; 14. Rubber card holder; 15. First protective card holder; 16. Second protective card holder; 17. Second rubber pad; 18. No. 2 connecting spring; 19. Heightening base; 20. Rubber block. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] like Figures 1 to 5As shown, the tunnel broadcast power amplifier controller includes a broadcast power amplifier controller body 1, a panel shell 2 is fixedly provided on the front side of the broadcast power amplifier controller body 1, two embedded blocks 3 are installed on the rear side of the panel shell 2, and the embedded blocks 3 are located inside the broadcast power amplifier controller body 1. Both ends of the broadcast power amplifier controller body 1 are fixedly connected with mounting blocks 4, and the rear side of the panel shell 2 is connected with two metal spring plates 6. Through the installation and use of the mounting blocks 4 and the metal spring plates 6, the two can be mutually clamped and limited together to fix the panel shell 2. Then, as long as the metal spring plate 6 is squeezed, the limit of the metal spring plate 6 can be released, so that the panel shell 2 can be removed, which is convenient to use;
[0027] An L-shaped groove 5 is provided inside the two mounting blocks 4, and a metal spring plate 6 is located inside the L-shaped groove 5. The mounting blocks 4 are used to fix the metal spring plate 6. A card plate 8 is fixedly connected to the rear side of the panel housing 2. An L-shaped connecting plate 7 is connected to the upper side of the broadcast power amplifier controller body 1. An array-distributed positioning rod 9 is slidably connected to the lower side of the L-shaped connecting plate 7. A No. 1 connecting spring 10 is connected between the positioning rod 9 and the L-shaped connecting plate 7. By setting the positioning rod 9, the positioning rod 9 can be pulled upward to release the limit on the card plate 8, so that the panel housing 2 can be removed from the L-shaped connecting plate 7.
[0028] A top plate 11 is installed on the upper side of the positioning rod 9 , and two U-shaped handles 12 are fixedly connected to the front side of the panel housing 2 .
[0029] First rubber pads 13 are fixedly mounted on both ends of the panel housing 2 , and a rubber holder 14 is mounted on the rear side of the broadcast power amplifier controller body 1 . The first rubber pad 13 and the rubber holder 14 are used to protect the broadcast power amplifier controller body 1 .
[0030] A first protection bracket 15 is clamped on the upper side of the broadcast power amplifier controller body 1, and a second protection bracket 16 is slidably connected to the lower side of the first protection bracket 15. A second connection spring 18 is connected in an array between the first protection bracket 15 and the second protection bracket 16.
[0031] Both ends of the first protective card frame 15 and the second protective card frame 16 are connected with second rubber pads 17 in an array, and four heightened bases 19 are respectively installed on the lower side of the broadcast power amplifier controller body 1, and the lower sides of the four heightened bases 19 are connected with rubber blocks 20. By installing and using the heightened bases 19 and the rubber blocks 20, the friction between the broadcast power amplifier controller and the desktop can be increased by using the rubber blocks 20, so that the broadcast power amplifier controller can be firmly positioned.
[0032] The embedded block 3 is used to fix the panel housing 2 , the rear side of the clamping plate 8 passes through the L-shaped connecting plate 7 and extends to the rear side of the L-shaped connecting plate 7 , and the upper side of the positioning rod 9 passes through the L-shaped connecting plate 7 and extends to the upper side of the L-shaped connecting plate 7 .
[0033] The working principle of the tunnel broadcast power amplifier controller provided by the utility model is as follows:
[0034] By snapping the two embedded blocks 3 at the panel housing 2 to the front of the broadcast power amplifier controller body 1, and then squeezing the two metal spring plates 6, the two metal spring plates 6 are allowed to enter the L-shaped grooves 5 of the two mounting blocks 4, so that the metal spring plates 6 and the mounting blocks 4 can initially snap the panel housing 2 to the broadcast power amplifier controller body 1, and then pull the top plate 11 upward, the top plate 11 will drive the positioning rod 9 equipped with the No. 1 connecting spring 10 to move upward, at this time, the card plate 8 at the panel housing 2 will also be inserted into the inside of the L-shaped connecting plate 7, and then the top plate 11 is loosened to allow the elastic positioning rod 9 to be positioned above the card plate 8, so that the panel housing 2 and the broadcast power amplifier controller can be assembled easily by snapping, making the panel housing 2 easy to load and unload, without the need to use a screwdriver, thereby improving the assembly effect of the tunnel broadcast power amplifier controller;
[0035] By stretching downward the second protection card frame 16 on which the second connecting spring 18 is installed at the first protection card frame 15, the distance between the two protection card frames can be adjusted so that the two protection card frames can be snapped into the outside of the broadcast power amplifier controller body 1, so that the protection card frame and the second rubber pad 17 at the protection card frame can protect the tunnel broadcast power amplifier controller together, and then the first rubber pad 13 and the rubber card seat 14 can be used to further protect the tunnel broadcast power amplifier controller, increase its overall structural strength, and help to improve the protection of the tunnel broadcast power amplifier controller and prevent the tunnel broadcast power amplifier controller from being directly damaged by collision.
[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A tunnel broadcast power amplifier controller, comprising a broadcast power amplifier controller body (1), characterized in that: A panel housing (2) is fixedly provided on the front side of the broadcast power amplifier controller body (1); two embedded blocks (3) are installed on the rear side of the panel housing (2); the embedded blocks (3) are located inside the broadcast power amplifier controller body (1); mounting blocks (4) are fixedly connected at both ends of the broadcast power amplifier controller body (1); and two metal spring plates (6) are connected to the rear side of the panel housing (2); The inside of the two mounting blocks (4) is provided with an L-shaped groove (5), the metal spring plate (6) is located inside the L-shaped groove (5), the mounting block (4) is used to fix the metal spring plate (6), the rear side of the panel housing (2) is fixedly connected with a card plate (8), the upper side of the broadcast power amplifier controller body (1) is connected with an L-shaped connecting plate (7), the lower side of the L-shaped connecting plate (7) is slidably connected with an array-distributed positioning rod (9), and a No. 1 connecting spring (10) is connected between the positioning rod (9) and the L-shaped connecting plate (7).
2. The tunnel broadcast power amplifier controller according to claim 1, characterized in that: A top plate (11) is installed on the upper side of the positioning rod (9), and two U-shaped handles (12) are fixedly connected to the front side of the panel housing (2).
3. The tunnel broadcast amplifier controller according to claim 1, characterized in that: First rubber pads (13) are fixedly mounted on both ends of the panel housing (2), and a rubber card holder (14) is mounted on the rear side of the broadcast power amplifier controller body (1), wherein the first rubber pad (13) and the rubber card holder (14) are used to protect the broadcast power amplifier controller body (1).
4. The tunnel broadcast power amplifier controller according to claim 1, characterized in that: A first protection card frame (15) is clamped on the upper side of the broadcast power amplifier controller body (1), a second protection card frame (16) is slidably connected to the lower side of the first protection card frame (15), and a second connection spring (18) is connected in an array between the first protection card frame (15) and the second protection card frame (16).
5. The tunnel broadcast power amplifier controller according to claim 4, characterized in that: Both ends of the first protective card frame (15) and the second protective card frame (16) are connected to second rubber pads (17) in an array, and four heightened bases (19) are respectively installed on the lower side of the broadcast power amplifier controller body (1), and the lower sides of the four heightened bases (19) are connected to rubber blocks (20).
6. The tunnel broadcast power amplifier controller according to claim 1, characterized in that: The embedded block (3) is used to fix the panel housing (2); the rear side of the clamping plate (8) penetrates the L-shaped connecting plate (7) and extends to the rear side of the L-shaped connecting plate (7); the upper side of the positioning plug rod (9) penetrates the L-shaped connecting plate (7) and extends to the upper side of the L-shaped connecting plate (7).
Citation Information
Patent Citations
Novel power amplifier controller for fire emergency broadcast
CN213930239U