Multi-interface conference room charger
By designing a multi-interface conference room charger, the problems of insufficient power sockets, inconvenient cable management, and compatibility in traditional conference rooms have been solved. It enables stable charging of multiple devices in multiple locations, simplifies cable management, and improves the utilization rate and safety of power sockets.
Patent Information
- Application Number
- CN202520436671.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Traditional conference rooms suffer from insufficient power outlets, inconvenient cable management, inconvenient charging, and compatibility issues, which result in unmet power demands, affecting meeting efficiency and safety.
Design a multi-interface conference room charger, comprising a main unit and a secondary unit. The main unit contains a main power circuit and multi-interface connection cables, while the secondary unit contains a secondary power circuit and a power socket. They are connected by wires and support power supply from multiple interfaces and locations, ensuring stability and reliability.
It enables stable charging for multiple devices and locations, simplifies cable management, improves power socket utilization, and enhances compatibility and safety.
Smart Images

Figure CN223912021U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a charger technical field, specifically to a multi -interface meeting room charger. BACKGROUND
[0002] With the popularity of mobile office and smart devices, the number of electronic devices in modern conference rooms has increased dramatically. These devices include but are not limited to laptops, tablets, smartphones, etc. They often need to be charged during the meeting. However, the traditional conference room layout usually lacks enough power outlets or effective charging solutions, leading to the following problems:
[0003] Insufficient power outlets: Most traditional conference room designs do not fully consider the power needs of meeting participants, resulting in limited power outlets.
[0004] Cable management is inconvenient: In order to meet more charging needs, extension cords or power strips must be used, which not only affects the neatness and beauty of the conference room, but also may cause safety hazards.
[0005] Charging is inconvenient: Participants must be close to fixed power points to charge their devices, limiting seat selection and personal mobility.
[0006] Compatibility issues: Different devices may require different types of chargers or data cables, increasing the complexity and cost of providing multiple types of charging devices. SUMMARY
[0007] The utility model aims at the above -mentioned insufficient prior art, provides a multi -interface meeting room charger.
[0008] The utility model discloses the purpose is realized through the following technical scheme: a multi -interface meeting room charger, including host computer and several submachines, the host computer is equipped with the mainboard, every submachine is equipped with the vice board in all,
[0009] The mainboard is equipped with main power circuit, and the vice board is equipped with vice power circuit, the host computer is equipped with multi -interface connecting line and power input line, the multi -interface connecting line is connected with the output end of main power circuit, and the power input line is connected with the input end of main power circuit.
[0010] The submachine is equipped with a plurality of power outlets, and the power outlet is connected with the output end of vice power circuit, and the wire is arranged between the submachine and the host computer, one end of the wire is connected with the output end of main power circuit, and the other end of the wire is connected with the input end of vice power circuit.
[0011] The utility model further sets up, the multi -interface connecting line is a one -third connecting line, and one end of the one -third connecting line is connected with the output end of main power circuit.
[0012] The utility model further provides for, one three -way connection line's other end is equipped with USB-A interface, TYPE -C interface and Lightening interface.
[0013] The utility model further provides for, the host computer is equipped with with the button switch of mainboard electric connection.
[0014] The utility model further provides for, the main power supply circuit includes flyback drive module, rectification filter module, transformer T1 and rectification output module, the input of rectification filter module is connected with power input line, the output of rectification filter module is connected with the primary side of transformer T1, the output of flyback drive module is connected with the primary side of transformer T1, the secondary side of transformer T1 is connected with the input of rectification output module, one end of the wire and multi-interface connecting line are connected with the output of rectification output module respectively.
[0015] The utility model further provides for, flyback drive module includes drive chip U1, the output of drive chip U1 is connected with the primary side of transformer T1.
[0016] The utility model further provides for, the main power supply circuit still includes feedback module, feedback module is located between drive chip U1 and rectification output module,
[0017] Feedback module includes photoelectric coupling control end U4A, photoelectric coupling switch end U4B, stabilivolt U3 and resistance R18, the positive pole of photoelectric coupling control end U4A is connected with the output of rectification output module through resistance R18, the negative pole of photoelectric coupling control end U4A is connected with the ground after stabilivolt U3, one end of photoelectric coupling switch end U4B is connected with the ground, the other end of photoelectric coupling switch end U4B is connected with drive chip U1.
[0018] The utility model further provides for, the main power supply circuit is equipped with first charging chip U5, the input of first charging chip U5 is connected with the output of rectification output module, multi-interface connecting line is connected with the output of first charging chip U5.
[0019] The utility model further provides for, the secondary power supply circuit includes second charging chip U6 and third charging chip U7, the input of second charging chip U6 and the input of third charging chip U7 are connected with the other end of wire respectively, the power socket is connected with the output of second charging chip U6 and the output of third charging chip U7 respectively.
[0020] The utility model further provides for, the vice machine is equipped with light emitting element, the vice power supply circuit still includes voltage stabilizing chip U8, voltage stabilizing chip U8's input end is connected with the other end of wire, voltage stabilizing chip U8's output is connected with light emitting element.
[0021] The utility model discloses the beneficial effects of: the utility model discloses a multi -interface connection wire is set up, can be charged to different types of cell -phone at host computer, in addition through setting up multiple vice machine, and the host computer is connected through wire between vice machine, makes multi -interface meeting room charger can simultaneously power supply to the user of different position, in addition can through the vice machine fixed on the desktop, thereby making the overall structure stable reliable. BRIEF DESCRIPTION OF DRAWINGS
[0022] The embodiments in the drawings do not constitute any limitation on the utility model, and other drawings can be obtained by the following drawings without creative labor for ordinary skilled in the art.
[0023] Fig. 1 It is the structural schematic diagram of the utility model, and
[0024] Fig. 2 It is the circuit principle drawing of the utility model main power supply circuit,
[0025] Fig. 3 It is the circuit principle drawing of the utility model vice power supply circuit,
[0026] Wherein: 1, host computer, 11, power input line, 12, button switch, 2, vice machine, 21, power socket, 3, multi -interface connection wire, 4, wire, 51, USB-A interface, 52, TYPE-C interface, 53, lighting interface, 61, flyback drive module, 62, rectifier filter module, 63, rectifier output module, 64, feedback module. DETAILED DESCRIPTION
[0027] The utility model is further described in connection with the following embodiments.
[0028] From Figs. 1 to 3 It can be known that the multi -interface meeting room charger of the utility model, including host computer 1 and several vice machine 2, the host computer 1 is equipped with mainboard, every vice machine 2 is equipped with vice board, wherein the mainboard and vice board are not drawn in the drawing,
[0029] The mainboard is equipped with main power supply circuit, the vice board is equipped with vice power supply circuit, the host computer 1 is equipped with multi -interface connection wire 3 and power input line 11, the multi -interface connection wire 3 is connected with the output end of main power supply circuit, the power input line 11 is connected with the input end of main power supply circuit,
[0030] The auxiliary machine 2 is provided with a plurality of power sockets 21; the power sockets 21 are connected with the output end of the auxiliary power circuit; the wire 4 is arranged between the auxiliary machine 2 and the main machine 1; one end of the wire 4 is connected with the output end of the main power circuit; the other end of the wire 4 is connected with the input end of the auxiliary power circuit.
[0031] Specifically, in use, the power input line 11 is first connected with the commercial power, and the commercial power is converted by the main power circuit to supply power to the multi-interface connecting line 3 and the auxiliary power circuit of the auxiliary machine 2.
[0032] The multi-interface conference room charger can supply power to users at different positions at the same time, and the auxiliary machine 2 can be fixed on the desktop to make the overall structure stable and reliable.
[0033] The multi-interface conference room charger has the multi-interface connecting line 3 which is a one-to-three connecting line; one end of the one-to-three connecting line is connected with the output end of the main power circuit.
[0034] Specifically, the one-to-three connecting line can be used to charge different types of mobile phones at the main machine 1.
[0035] The multi-interface conference room charger has the main machine 1 which is provided with a button switch 12 electrically connected with the main board.
[0036] The multi-interface conference room charger has the main power circuit which includes a flyback drive module 61, a rectification and filtering module 62, a transformer T1 and a rectification output module 63; the input end of the rectification and filtering module 62 is connected with the power input line 11; the output end of the rectification and filtering module 62 is connected with the primary side of the transformer T1; the output end of the flyback drive module 61 is connected with the primary side of the transformer T1; the secondary side of the transformer T1 is connected with the input end of the rectification output module 63; one end of the wire 4 and the multi-interface connecting line 3 are respectively connected with the output end of the rectification output module 63.
[0037] Specifically, the embodiment drives the chip U1 to control the primary voltage of the transformer T1, so as to output the voltage at the secondary side of the transformer T1, thereby outputting the stable voltage at the rectification output module 63 to supply power to the secondary machine 2 and the multi-interface connecting line 3.
[0038] The multi-interface conference room charger provided by the embodiment further comprises a feedback module 64, the feedback module 64 is arranged between the driving chip U1 and the rectification output module 63, the feedback module 64 comprises a light coupling control end U4A, a light coupling switch end U4B, a voltage stabilizing tube U3 and a resistor R18, the positive electrode of the light coupling control end U4A is connected with the output end of the rectification output module 63 through the resistor R18, the negative electrode of the light coupling control end U4A is connected with the ground through the voltage stabilizing tube U3, one end of the light coupling switch end U4B is connected with the ground, and the other end of the light coupling switch end U4B is connected with the driving chip U1. Through the above arrangement, the output voltage of the rectification output module 63 can be monitored in real time, and if an abnormal situation occurs, the driving chip U1 can be stopped from working through the light coupling.
[0039] The multi-interface conference room charger provided by the embodiment further comprises a first charging chip U5, the input end of the first charging chip U5 is connected with the output end of the rectification output module 63, and the multi-interface connecting line 3 is connected with the output end of the first charging chip U5. Through the above arrangement, the stable voltage can be output at the multi-interface connecting line 3.
[0040] The multi-interface conference room charger provided by the embodiment further comprises a second charging chip U6 and a third charging chip U7, the input end of the second charging chip U6 and the input end of the third charging chip U7 are respectively connected with the other end of the wire 4, and the power socket 21 is respectively connected with the output end of the second charging chip U6 and the output end of the third charging chip U7. Through the above arrangement, the stable voltage can be output at the power socket 21.
[0041] The multi-interface conference room charger provided by the embodiment further comprises a second charging chip U6 and a third charging chip U7, the input end of the second charging chip U6 and the input end of the third charging chip U7 are respectively connected with the other end of the wire 4, and the power socket 21 is respectively connected with the output end of the second charging chip U6 and the output end of the third charging chip U7. Through the above arrangement, the stable voltage can be output at the power socket 21.
[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.
Claims
1. A multi-interface conference room charger, characterized by: Including host (1) and several submachine (2), the host (1) is equipped with mainboard, each submachine (2) is equipped with subboard, The mainboard is provided with main power supply circuit, the subboard is provided with sub power supply circuit, the host (1) is provided with multi-interface connecting line (3) and power input line (11), the multi-interface connecting line (3) is connected with the output end of main power supply circuit, the power input line (11) is connected with the input end of main power supply circuit, The submachine (2) is provided with several power sockets (21), the power socket (21) is connected with the output end of sub power supply circuit, the submachine (2) and host (1) are provided with lead (4), one end of lead (4) is connected with the output end of main power supply circuit, the other end of lead (4) is connected with the input end of sub power supply circuit.
2. A multi-interface conference room charger according to claim 1, wherein: The multi-interface connecting line (3) is a one-to-three connecting line, one end of the one-to-three connecting line is connected with the output end of main power supply circuit.
3. A multi-interface conference room charger according to claim 2, wherein: The other end of the one-to-three connecting line is provided with USB-A interface (51), TYPE-C interface (52) and Lightning interface (53).
4. The multi-interface conference room charger of claim 1, wherein: The host (1) is provided with button switch (12) electrically connected with mainboard.
5. The multi-interface conference room charger of claim 1, wherein: The main power supply circuit includes flyback drive module (61), rectifier filter module (62), transformer T1 and rectifier output module (63), the input end of rectifier filter module (62) is connected with power input line (11), the output end of rectifier filter module (62) is connected with the primary side of transformer T1, the output end of flyback drive module (61) is connected with the primary side of transformer T1, the secondary side of transformer T1 is connected with the input end of rectifier output module (63), one end of lead (4) and multi-interface connecting line (3) are connected with the output end of rectifier output module (63) respectively.
6. A multi-interface conference room charger according to claim 5, wherein: The flyback drive module (61) includes drive chip U1, the output end of drive chip U1 is connected with the primary side of transformer T1.
7. A multi-interface conference room charger according to claim 5, wherein: The main power supply circuit further includes feedback module (64), the feedback module (64) is arranged between drive chip U1 and rectifier output module (63), The feedback module (64) includes light coupling control end U4A, light coupling switch end U4B, voltage stabilizing tube U3 and resistance R18, the positive electrode of light coupling control end U4A is connected with the output end of rectifier output module (63) through resistance R18, the negative electrode of light coupling control end U4A is connected with ground through voltage stabilizing tube U3, one end of light coupling switch end U4B is connected with ground, the other end of light coupling switch end U4B is connected with drive chip U1.
8. A multi-interface conference room charger according to claim 5, wherein: The main power supply circuit is provided with first charging chip U5, the input end of first charging chip U5 is connected with the output end of rectifier output module (63), the multi-interface connecting line (3) is connected with the output end of first charging chip U5.
9. A multi-interface conference room charger according to claim 5, wherein: The auxiliary power supply circuit comprises a second charging chip U6 and a third charging chip U7; the input end of the second charging chip U6 and the input end of the third charging chip U7 are connected with the other end of the wire (4) respectively; the power socket (21) is connected with the output end of the second charging chip U6 and the output end of the third charging chip U7 respectively.
10. A multi-interface conference room charger according to claim 9, wherein: The auxiliary machine (2) is provided with a light emitting part; the auxiliary power supply circuit further comprises a voltage regulating chip U8; the input end of the voltage regulating chip U8 is connected with the other end of the wire (4); and the output end of the voltage regulating chip U8 is connected with the light emitting part.