CN115940581A - Multifunctional power supply system of portable upper computer - Google Patents
Multifunctional power supply system of portable upper computer Download PDFInfo
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- CN115940581A CN115940581A CN202211481081.2A CN202211481081A CN115940581A CN 115940581 A CN115940581 A CN 115940581A CN 202211481081 A CN202211481081 A CN 202211481081A CN 115940581 A CN115940581 A CN 115940581A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention relates to a multifunctional power supply system of a portable upper computer, which comprises a communication logic control part and a power supply part, wherein the communication logic control part comprises a digital logic chip and a USB control chip, and the communication logic control part is provided with a USB interface, an upper computer interface and a functional module interface; the power supply part comprises a charging chip and a voltage converter, and is provided with a charging interface, an external battery interface and a cooling fan interface. The multifunctional power supply system of the portable upper computer has the advantages that the multifunctional power supply module is small in size, integrates the functions of accessing external storage and realizing the communication of the mobile power supply and the upper computer and the lower computer, gives consideration to requirements and functions, and provides an effective solution for upgrading a portable testing instrument.
Description
Technical Field
The invention relates to the field of electronic communication manufacturing, in particular to the field of direct-current power supplies, and particularly relates to a multifunctional power supply system of a portable upper computer.
Background
In recent years, the requirements of a direct current power supply on communication functions are more and more, and power supplies with rich functions and excellent communication performance are more and more popular; with the development of dc power supplies, various communication system control methods have also been developed. Meanwhile, due to the characteristics of the communication industry, the demand of test instruments on portability is increasing.
The upper computer of the portable testing instrument usually selects a man-machine interaction platform with higher interaction depth such as a mobile phone and a flat panel, and when the portable upper computer is added with an external module, the power of the attachable functional module is limited due to the limitation of the power output by the portable upper computer, the voltage and the current. Therefore, when the upper computer and the lower computer communicate, the portable upper computer can provide limited electric quantity for the operation of the high-power functional module peripheral, and the charging of the upper computer and the heat dissipation of the functional module are difficult. If an external power supply is used for directly supplying power to the power supply and the cooling fan, the portable upper computer and the functional module are not portable, and the portable upper computer and the functional module are too cumbersome and heavy.
The mainstream multifunctional power supply control module in the market at present mainly adopts an MCU system.
In terms of functions, the power supply of the mobile power supply, the communication of the upper computer, the lower computer and the external storage equipment are difficult to unify. If the MCU system is adopted, the problem can be solved well, but certain restriction exists in function integration in a limited space.
In terms of cost, under the characteristic of light weight, the high integration of the functions of the MCU system means that more integrated chips and circuit elements are required, so that the design difficulty and the power supply difficulty are increased, the interference and signal crosstalk between the chips and the elements are easily caused, the achievement is influenced, and the design and manufacturing cost and the later maintenance cost are greatly increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a multifunctional power supply system of a portable upper computer, which has the advantages of small size, requirements and low manufacturing cost.
In order to achieve the above object, the multifunctional power supply system of the portable upper computer of the present invention is as follows:
the multifunctional power supply system of the portable upper computer is mainly characterized in that the system comprises a communication logic control part and a power supply part,
the communication logic control part comprises a digital logic chip and a USB control chip, the communication logic control part is provided with a USB interface, an upper computer interface and a functional module interface, the digital logic chip is connected with the USB control chip, the communication logic control part is connected with an external memory through the USB interface, the communication logic control part is connected with the upper computer through the upper computer interface, and the communication logic control part is connected with a lower computer through the functional module interface;
the power supply part comprises a charging chip and a voltage converter, a charging interface, an external battery interface and a cooling fan interface are arranged on the power supply part, the charging chip is connected with the voltage converter, the voltage converter is connected with the communication logic control part through the charging interface, the charging chip is connected with the external battery through the external battery interface, and the voltage converter is connected with the fan through the cooling fan interface.
Preferably, the digital logic chip is composed of a logic gate, a switch combination circuit and a CMOS integrated circuit, and the digital logic chip switches two states of U disk access and PC access.
Preferably, the USB interface is a universal Type-C interface, the upper computer interface is two 1.27mm-5P connectors, and the functional module interface is one 1.27mm-7P connector.
Preferably, one of the two 1.27mm-5P connectors of the upper computer interface provides 3.8V voltage for the upper computer, and the other connector carries the information communication function of the upper computer.
Preferably, when the communication logic control part accesses the external memory, the lower computer interrupts the operation.
Preferably, the charging interface is a circular socket, the external battery interface is a 1.27mm-4P connector, and the cooling fan interface is a 1.27mm-4P connector.
Preferably, the charging interface is a circular socket, the external battery interface is a 1.27mm-4P connector, and the cooling fan interface is a 1.27mm-4P connector.
Preferably, the power supply part further comprises a light emitting diode, and the light emitting diode is connected with the charging chip.
Preferably, the light emitting diode can emit light of two colors to display the state of the external battery. One color light is in a charging state, one color light is in a power supply state, and the two lights flash alternately to display charging failure.
The multifunctional power supply system of the portable upper computer has the advantages that the multifunctional power supply module is small in size, integrates the functions of accessing external storage and realizing the communication of the mobile power supply and the upper computer and the lower computer, gives consideration to requirements and functions, and provides an effective solution for upgrading a portable testing instrument.
Drawings
Fig. 1 is an information transmission schematic diagram of the multifunctional power supply system of the portable upper computer of the present invention.
Fig. 2 is a schematic diagram of dc voltage conversion of the multifunctional power supply system of the portable upper computer according to the present invention.
Fig. 3 is a schematic diagram of TTL circuit of the multifunctional power supply system of the portable upper computer according to the present invention.
Fig. 4 is a logic gate schematic diagram of the multifunctional power supply system of the portable upper computer of the present invention.
Fig. 5 is a schematic diagram of a switch assembly of the multifunctional power supply system of the portable upper computer according to the present invention.
Fig. 6 is a schematic diagram of a circuit around a charging chip of the multifunctional power supply system of the portable upper computer according to the present invention.
Fig. 7 is a schematic diagram of the overall structure of the multifunctional power supply system of the portable upper computer of the present invention.
Detailed Description
In order that the technical contents of the present invention can be more clearly described, the present invention will be further described with reference to specific embodiments.
The multifunctional power supply system of the portable upper computer comprises a communication logic control part and a power supply part.
The communication logic control part comprises a digital logic chip and a USB control chip, wherein the communication logic control part is provided with a USB interface, an upper computer interface and a functional module interface, the digital logic chip is connected with the USB control chip, the communication logic control part is connected with an external memory through the USB interface, the communication logic control part is connected with the upper computer through the upper computer interface, and the communication logic control part is connected with a lower computer through the functional module interface;
the power supply part comprises a charging chip and a voltage converter, a charging interface, an external battery interface and a cooling fan interface are arranged on the power supply part, the charging chip is connected with the voltage converter, the voltage converter is connected with the communication logic control part through the charging interface, the charging chip is connected with the external battery through the external battery interface, and the voltage converter is connected with the fan through the cooling fan interface.
As a preferred embodiment of the present invention, the digital logic chip is composed of a logic gate, a switch combination circuit and a CMOS integrated circuit, and switches between a U-disk access state and a PC access state.
As a preferred embodiment of the present invention, the USB interface is a universal Type-C interface, the upper computer interface is two 1.27mm-5P connectors, and the functional module interface is one 1.27mm-7P connector.
As a preferred embodiment of the invention, one of the two 1.27mm-5P connectors of the upper computer interface provides 3.8V voltage for the upper computer, and the other connector carries the information communication function of the upper computer.
As a preferred embodiment of the present invention, the communication logic control section interrupts the operation of the lower computer when accessing the external memory.
In a preferred embodiment of the present invention, the charging interface is a circular socket, the external battery interface is a 1.27mm-4P connector, and the heat dissipation fan interface is a 1.27mm-4P connector.
As a preferred embodiment of the invention, the charging interface is a circular socket, the external battery interface is a 1.27mm-4P connector, and the heat radiation fan interface is a 1.27mm-4P connector.
As a preferred embodiment of the present invention, the power supply part further includes a light emitting diode, and the light emitting diode is connected to the charging chip.
As a preferred embodiment of the present invention, the light emitting diode can emit light of two colors to display the state of the external battery. One color light is in a charging state, one color light is in a power supply state, and the two lights flash alternately to display charging failure.
The invention relates to the field of electronic communication manufacturing, in particular to a multifunctional power supply module supporting an external functional module (lower computer) of a portable upper computer. The whole power module function is realized on one circuit board, and the module is divided into a communication logic control part and a power supply part. The communication logic control part is provided with a USB external communication interface, an upper computer communication interface and a functional module interface, the power supply part is provided with an input interface of an external battery, a charging interface which can be used for charging the external battery and directly supplying power to the upper computer, and the power supply part is also provided with an interface of a cooling fan. The communication logic part and the power supply part adopt a large number of integrated chips, so that the whole module is not too large, too large space does not need to be occupied between the upper computer and the functional module, the communication between the external storage, the upper computer and the functional module is realized, the characteristic of convenient disassembly is realized, and the reliability is also ensured.
The embodiment provides a multifunctional power supply module which is small in size and integrates the functions of accessing external storage, realizing a mobile power supply and communicating upper and lower computers. The requirements and functions are considered, and an effective solution is provided for upgrading a portable testing instrument.
The system comprises a power module supporting a mobile phone external module, and is divided into a communication logic control part and a power supply part.
The communication logic control part is provided with a USB interface, an upper computer interface and a functional module interface. The USB interface is a universal Type-C interface; the upper computer interface is two 1.27mm-5P connectors. The functional module interface is a 1.27mm-7P connector.
The communication logic control part adopts a digital logic chip, a USB control chip TS3USB221 and peripheral circuits thereof.
The communication logic control section interrupts the operation of the function module when the external memory is accessed.
The communication logic control part provides 5.2V voltage for the lower computer. One of the two 1.27mm-5P interfaces of the upper computer provides 3.8V voltage for the upper computer, and the other interface bears the information communication function of the upper computer.
The power supply module is provided with a charging interface, an external battery interface and a cooling fan interface. The charging interface is a circular socket; the external battery interface is a 1.27mm-4P connector; the interface of the heat radiation fan is a 1.27mm-4p connector. The power supply part is further provided with a light emitting diode.
The power supply module adopts a charging chip BQ24170 and a circuit related to a digital logic chip. The voltage converter adopts a TPS62140A chip.
The light emitting diode can emit light of two colors to display the state of the external battery. One color light is in a charging state, one color light is in a power supply state, and the two lights flash alternately to display charging failure.
In the embodiment of the invention, the communication logic control part adopts a USB control chip TS3USB221 chip, which can effectively complete information transmission between a portable upper computer and a lower computer and between the portable upper computer and an external memory, as shown in figure 1, the external memory carries out data transmission with the upper computer through a channel 1 (D1), and the lower computer carries out data transmission with the upper computer through a channel 2 (D2). Meanwhile, the state transition switching of each interface is realized through the TTL circuit, so that the aim of switching data transmission channels is fulfilled.
The external memory access can be divided into two states of a U disk access and a PC access. The switching of the two states is completely completed by a logic gate and switch combination circuit in a logic control part and a CMOS integrated circuit (TTL circuit). The circuit has simple logic and clear structure, reduces the use of chips and components, reduces the design cost, and is convenient for quick fault location and component replacement in maintenance, thereby realizing efficient maintenance. Meanwhile, in the PC access state, the mobile power supply stops supplying power, and the power supply mode is switched to PC power supply. The power supply use efficiency is effectively improved.
The power supply part in this example has selected BQ24170 chip that charges to realize the function of charging, when having guaranteed the function of charging, still has kept high integration, safe and reliable's characteristics, connects the power adapter and still can supply power for the host computer lower computer under the condition of not having connected external battery. In addition, the light emitting diode is arranged in the circuit around the charging chip to display the charging state of the battery. The voltage conversion function selects a TPS62140A chip, converts the input voltage into DC 3.8V and DC 5.2V and provides voltage for the chip and the lower computer in the circuit board. In addition, a 1.27mm-4P socket is reserved in the power supply part, and 5.2V voltage is output to serve as an interface of an external fan.
The present example is further described below with reference to the accompanying drawings.
As shown in fig. 1, the whole power module is divided into a communication logic control part and a power supply part according to functions. The logic gate and the switch combination circuit in the logic selection part identify and switch the type of the external storage through a specific signal of the USB interface, and send an instruction to the communication chip TS3USB 221. The TS3USB221 chip is similar to a one-to-two switch, and after receiving the instruction sent by the combined circuit, the TS3USB221 chip cuts off the contact with the lower computer, selects to read the information of the external memory and sends the information to the upper computer. In the power supply part circuit, the charging chip BQ24170 is connected to an external battery through an interface, and the direct current output by the chip can output direct current voltages of 5.2V and 3.8V through a voltage converter. The light emitting diode is arranged at the port of the charging chip BQ24170 for feeding back the battery state, and is used for displaying the battery state.
As shown in fig. 3 to 5, the TTL circuit switches between the upper computer and the lower computer and between the upper computer and the peripheral (U-disk, PC) by switching the input level state of the logic gate. The CMOS integrated circuit formed by the transistors is mainly responsible for the control function of the circuit.
As shown in fig. 1, 3 and 7, the PC and the USB disk share one interface, the lower computer is provided with an independent interface, in the communication chip TS3USB221, the communication channel D is a communication channel of the upper computer, the channel D1 is a communication channel of the external memory, the channel D2 is a communication channel of the lower computer, and the LS signal controls switching of the communication channels D1 and D2. The communication chip TS3USB221 receives the LS signal from the logic gate and the switch combination circuit and then switches the communication channel. The logic gate and switch combination circuit can realize various access states by controlling LS signals, EVCC signals and ID signals. The CMOS integrated circuit will select the way the power supply is supplied by controlling the switching on and off of the power supply.
As shown in fig. 2, the charging TPS62140A chip converts the voltage input from the battery into dc voltages of 5.2V and 3.8V, and the voltage value is determined by the values of the resistors R1 and R2.
For a specific implementation scheme of this embodiment, reference may be made to relevant descriptions in the foregoing embodiments, which are not described herein again.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The multifunctional power supply system of the portable upper computer has the advantages that the size is small, the multifunctional power supply module capable of accessing external storage and realizing the communication functions of the mobile power supply and the upper computer and the lower computer is integrated, the requirements and the functions are considered, and an effective solution is provided for upgrading a portable testing instrument.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (9)
1. A multifunctional power supply system of a portable upper computer is characterized by comprising a communication logic control part and a power supply part,
the communication logic control part comprises a digital logic chip and a USB control chip, the communication logic control part is provided with a USB interface, an upper computer interface and a functional module interface, the digital logic chip is connected with the USB control chip, the communication logic control part is connected with an external memory through the USB interface, the communication logic control part is connected with the upper computer through the upper computer interface, and the communication logic control part is connected with a lower computer through the functional module interface;
the power supply part comprises a charging chip and a voltage converter, a charging interface, an external battery interface and a cooling fan interface are arranged on the power supply part, the charging chip is connected with the voltage converter, the voltage converter is connected with the communication logic control part through the charging interface, the charging chip is connected with the external battery through the external battery interface, and the voltage converter is connected with the fan through the cooling fan interface.
2. The multifunctional power supply system of a portable upper computer according to claim 1, wherein the digital logic chip is composed of a logic gate, a switch combination circuit and a CMOS integrated circuit, and two states of a usb disk access and a PC access are switched by the digital logic chip.
3. The multifunctional power supply system of the portable upper computer according to claim 1, wherein the USB interface is a universal Type-C interface, the upper computer interface is two 1.27mm-5P connectors, and the functional module interface is one 1.27mm-7P connector.
4. The multifunctional power supply system of the portable upper computer according to claim 3, wherein one of the two 1.27mm-5P connectors of the upper computer interface provides 3.8V voltage for the upper computer, and the other connector carries the information communication function of the upper computer.
5. The multifunctional power supply system of a portable upper computer according to claim 1, wherein the communication logic control section interrupts the operation of the lower computer when accessing the external memory.
6. The multifunctional power supply system of the portable upper computer according to claim 1, wherein the charging interface is a circular socket, the external battery interface is a 1.27mm-4P connector, and the heat dissipation fan interface is a 1.27mm-4P connector.
7. The multifunctional power supply system of the portable upper computer as claimed in claim 1, wherein the charging interface is a circular socket, the external battery interface is a 1.27mm-4P connector, and the heat dissipation fan interface is a 1.27mm-4P connector.
8. The multifunctional power supply system of the portable upper computer according to claim 1, wherein the power supply part further comprises a light emitting diode, and the light emitting diode is connected with the charging chip.
9. The multifunctional power supply system of a portable upper computer as claimed in claim 8, wherein the light emitting diode can emit light of two colors to display the status of the external battery. One color light is in a charging state, one color light is in a power supply state, and the two lights flash alternately to display charging failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211481081.2A CN115940581A (en) | 2022-11-24 | 2022-11-24 | Multifunctional power supply system of portable upper computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211481081.2A CN115940581A (en) | 2022-11-24 | 2022-11-24 | Multifunctional power supply system of portable upper computer |
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| Publication Number | Publication Date |
|---|---|
| CN115940581A true CN115940581A (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211481081.2A Pending CN115940581A (en) | 2022-11-24 | 2022-11-24 | Multifunctional power supply system of portable upper computer |
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| CN (1) | CN115940581A (en) |
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- 2022-11-24 CN CN202211481081.2A patent/CN115940581A/en active Pending
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