Multimedia telephone booth
By setting up multi-stage surge protectors and lightning protection modules in multimedia telephone booths, the problem of electronic equipment being susceptible to lightning damage is solved, achieving higher electrical safety performance and equipment life extension.
Patent Information
- Application Number
- CN202421837083.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-07-31
AI Technical Summary
After the multimedia upgrade and renovation of traditional multimedia, electronic equipment is susceptible to lightning disasters, and lacks effective lightning protection measures, resulting in equipment damage and shortening service life.
Multi-stage surge protectors and lightning protection modules are set up in the multimedia telephone booth, including first-stage surge protectors, filters, third-stage surge protectors and lightning protection modules. Combined with the isolation module, each functional module is protected and electrical lightning protection measures are established.
It realizes effective lightning protection for all functional components of the telephone booth, improves electrical safety performance, and extends the service life of the equipment.
Smart Images
Figure CN223119645U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a public telephone booth, in particular to a multimedia telephone booth with excellent lightning disaster protection performance. Background Art
[0002] With the wide popularization of mobile phones and the rapid development of mobile communication and network technology, due to the single function and narrow application scope of traditional public telephone booths, they have been gradually ignored and forgotten in people's sight and are being phased out. In order to improve the utilization rate of public telephone booths, it is urgent to upgrade and transform the booths into multimedia ones so that they can provide more information services for citizens and extend the functions of public telephone booths.
[0003] Lightning disaster is one of the most serious natural disasters. Every year, countless people are injured or killed and property is damaged due to lightning disasters all over the world. As an outdoor device, public telephone booths are greatly affected by lightning disasters. Although traditional public telephone booths are also equipped with lightning rods and grounded for physical lightning protection measures to form a conditional equipotential body between the metal body and the ground and discharge lightning strikes into the ground. However, with the multimedia upgrade and transformation of public telephone booths, that is, the application of electronic and microelectronic integrated devices, the internal facilities shunt, induced lightning current or surge current, lightning overvoltage and lightning electromagnetic pulse caused by lightning strikes and surges will cause damage to electrical equipment and systems. Therefore, it is very important to solve the lightning disaster protection problem of the electronic system of public telephone booths as soon as possible. Summary of the Utility Model
[0004] The purpose of the utility model is to overcome the defect of weak lightning disaster protection existing in the above-mentioned prior art multimedia telephone booth and provide a multimedia telephone booth.
[0005] The purpose of the utility model can be realized by the following technical solutions:
[0006] A multimedia telephone booth, the function modules set in the booth include a public telephone and an IC card reader, and also include a multimedia terminal display screen, a speaker module and a variety of charging interfaces set in the multimedia telephone booth;
[0007] A multi-stage surge protector is set in the power supply module of the main processor of the booth; a lightning protection module is respectively set between the main processor and each function module.
[0008] As a preferred technical solution, the input end of the power supply module is connected with a first-stage surge protector through a filter; the output end of the power supply module is connected with the main processor through a third-stage surge protector.
[0009] As a preferred technical solution, the first-stage surge protector is DEHN DV M TN 255.
[0010] As a preferred technical solution, the three-stage surge protector is DEHN DR M 2P 30.
[0011] As a preferred technical solution, the filter is DEHN NF10.
[0012] As a preferred technical solution, the multiple charging interfaces include a wireless charging module and a wired charging interface; an isolation module is further arranged between the main processor and the lightning protection modules corresponding to the charging interfaces.
[0013] As a preferred technical solution, the isolation module is an optocoupler TOS12VDC / 48VDC 0.1A.
[0014] As a preferred technical solution, the wireless charging module is a CPS812X magnetic adsorption wireless charging module.
[0015] As a preferred technical solution, the wired charging interface includes a USB and a Type-C female socket interface, as well as male connectors of Type-C, Micro-USB, and Lighting.
[0016] As a preferred technical solution, a dust and waterproof plug matching the shape of the interface is detachably arranged at the USB and Type-C female socket interfaces of the wired charging interface.
[0017] Compared with the prior art, the present utility model has the following beneficial effects:
[0018] The present utility model provides a multimedia phone booth with electrical lightning protection measures. While providing more diverse services for users, it realizes lightning protection for each functional component of the phone booth, improves the electrical safety performance of the multimedia phone booth, and extends the service life of the phone booth. Description of the Drawings
[0019] Figure 1 It is the front view of the multimedia phone booth of the present utility model;
[0020] Figure 2 It is the schematic diagram of the lightning protection circuit structure of the present utility model;
[0021] As shown by the reference numerals in the figure: 1, main processor; 2, IC card reader; 3, IC card reader; 4, multimedia terminal display screen; 5, speaker module; 6, wireless charging module; 7, wired charging interface; 8, lightning protection module; 9, isolation module; 10, first-stage surge protector; 11, filter; 12, power module; 13, three-stage surge protector; 14, public telephone network interface. Detailed Embodiments
[0022] The present utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present utility model, and the detailed implementation manners and specific operation processes are given, but the protection scope of the present utility model is not limited to the following embodiments.
[0023] Embodiment 1
[0024] The present utility model provides a multimedia phone booth with improved electrical lightning protection performance to improve the electrical lightning protection performance of the multimedia phone booth, ensure the safe use of the phone booth, and extend the service life of the multimedia phone booth.
[0025] As Figure 1 shown, in the multimedia phone booth provided by the present utility model, in addition to the conventional public phone 2 and the IC card reader 3, there is also a multimedia terminal display screen 4, which relies on the existing mature embedded development system and can be used for functions such as browsing city maps, bus information, and scrolling commodity advertisements; the speaker module 5 can be used to play audio information such as system prompts and advertisements. The multimedia phone booth is also equipped with a variety of charging interfaces, including a wireless charging module 6 and a wired charging interface 7. The wired charging interface 7 includes a USB and a Type-C female socket interface, as well as male connectors of Type-C, Micro-USB, and Lighting; the male connector module specifically uses a CYPD2103A chip. A dust-proof and waterproof rubber soft plug matching the interface shape is detachably arranged at the USB and Type-C female socket interface; the wireless charging module 6 specifically uses a CPS812X magnetic wireless charging module.
[0026] As Figure 2 shown, to improve the electrical performance of the multimedia phone booth, the present utility model also provides a circuit with lightning protection measures. The input voltage is converted into a 12V power supply by the power supply module 12, and specifically, TBL030-112 is used in this embodiment; the input end of the power supply module 12 is connected with a DEHN DV M TN 255 first-stage surge protector 10 through a DEHN NF10 filter 11. The output end of the power supply module 12 is connected to the main processor 1MCU through a DEHN DR M 2P 30 third-stage surge protector 13. Through the above lightning protection measures, lightning overvoltage and lightning electromagnetic pulse disturbance from the municipal power distribution network can be isolated for the phone booth.
[0027] The main processor 1 accesses the public telephone network through the public telephone network interface 14. Lightning protection modules 8 are respectively arranged between the main processor 1 and the telephone module 2, the IC card reading module, the multimedia terminal display screen module 4 and the audio module 5. Between the main processor 1, the female socket interface module 6 and the male terminal connector module 7, after isolating the circuit signal interference through the isolation module 9, they are then connected through the lightning protection module 8. Among them, the lightning protection module 8 specifically adopts DEHN BXT ML4 BE 5; the isolation module 9 is specifically an optocoupler TOS12VDC / 48VDC 0.1A. The lightning protection module 8 is used to protect each functional unit module to prevent damage to each functional module of the telephone booth after being struck by lightning.
[0028] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present invention without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of the present invention through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the protection scope determined by the claims.
Claims
1. A multimedia telephone booth, the functional modules provided in the telephone booth include a public telephone (2) and an IC card reader (3), characterized in that, It also includes that the multimedia phone booth is provided with a multimedia terminal display screen (4), a speaker module (5) and a variety of charging interfaces; The power supply module (12) of the phone booth main processor (1) is provided with a multi-stage surge protector; a lightning protection module (8) is respectively arranged between the main processor (1) and each functional module.
2. The multimedia phone booth according to claim 1, wherein, The input end of the power supply module (12) is connected with a first-stage surge protector (10) through a filter (11); the output end of the power supply module (12) is connected to the main processor (1) through a third-stage surge protector (13).
3. The multimedia phone booth according to claim 2, characterized in that, The first-stage surge protector (10) is DEHN DV M TN 255.
4. A multimedia phone booth according to claim 2, characterized in that, The third-stage surge protector (13) is DEHN DR M 2P 30.
5. A multimedia phone booth according to claim 2, characterized in that, The filter (11) is DEHNNF10.
6. The multimedia phone booth according to claim 5, characterized in that, The variety of charging interfaces include a wireless charging module (6) and a wired charging interface (7); an isolation module (9) is also arranged between the main processor (1) and the lightning protection module (8) corresponding to each charging interface.
7. A multimedia phone booth according to claim 6, characterized in that, The isolation module (9) is an optocoupler TOS 12VDC / 48VDC 0.1A.
8. A multimedia phone booth according to claim 6, characterized in that, The wireless charging module (6) is a CPS812X magnetic absorption wireless charging module.
9. A multimedia phone booth according to claim 6, characterized in that, The wired charging interface includes a USB and a Type-C female socket interface, as well as male connectors of Type-C, Micro-USB and Lighting.
10. A multimedia phone booth according to claim 9, characterized in that, A dust-proof and waterproof plug matching the interface shape is detachably arranged at the USB and Type-C female socket interfaces of the wired charging interface.