High-current starting mobile power supply based on microprocessor control technology

Abstract

The utility model discloses a high-current starting mobile power supply based on microprocessor control technology, which comprises a first circuit board and at least two second circuit boards, each second circuit board comprises single battery circuits connected in series, and a plurality of single battery circuits are electrically connected with a battery interface on the first circuit board; the device further comprises a shell, two first cavities are formed in the top and the bottom of the shell, second circuit boards are installed in the first cavities, a second cavity is formed in the middle of the shell, and the first circuit boards are arranged in the second cavity. A plurality of ventilation grids are arranged on the side wall of the shell between the first cavity and the second cavity, and at least one ventilation grid forms a first placement position. The arrangement of the ventilation grid can carry out heat dissipation on the three circuit boards, and the ventilation grid can also form a placing position for placing a charging object, such as a mobile phone, so that the mobile shell is very convenient to use, and the mobile shell cannot be lost during charging.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mobile power supply, concretely relates to a high current starting mobile power supply based on microprocessor control technology. BACKGROUND

[0002] With the increasing popularity of modern electronic equipment and vehicles, there is an increasing demand for high-performance and high-reliability mobile power supplies. In particular, in some special applications such as emergency rescue, field work, military operations, etc., the mobile power supply needs to be able to provide a large current for fast starting to ensure the normal operation of critical equipment. However, the traditional mobile power supply often has problems such as slow starting speed, unstable current, poor heat dissipation, low energy conversion efficiency, etc. when starting a large current device, making it difficult to meet the needs of these special applications. Therefore, it is very important to obtain a high current starting mobile power supply based on microprocessor control technology that overcomes the above-mentioned defects. SUMMARY

[0003] To solve at least one of the above technical problems, the utility model provides a high current starting mobile power supply based on microprocessor control technology, which comprises a first circuit board and at least two second circuit boards, the second circuit board is connected in series with a single battery circuit, and a plurality of single battery circuits are electrically connected with the battery interface on the first circuit board; it also includes a shell, the top and bottom of the shell are provided with two first cavities, the second circuit board is installed in the first cavity, the middle part of the shell is provided with a second cavity, the first circuit board is arranged in the second cavity, and a plurality of ventilation grilles are formed on the side wall of the shell between the first cavity and the second cavity, at least one ventilation grille forms a first placement position.

[0004] Through the above technical solution, the ventilation grilles can dissipate heat for the three circuit boards, and the ventilation grilles can also form a placement position for placing charging objects such as mobile phones, which is very convenient and will not cause loss when charging the mobile shell.

[0005] Ventilation hollows are formed on the second circuit board to increase the heat dissipation effect.

[0006] The first circuit board and the second circuit board are connected by a connector, a communication channel for fixing the connector is arranged between the first cavity and the second cavity, and the communication channel is integrally formed with the first cavity and the second cavity. The two second circuit boards are connected in series by a connector, and the connector is arranged at the communication channel.

[0007] As a preferred manner, the single cell circuit comprises single cells, a balancing circuit, a microcontroller and an optocoupler, the microcontroller is connected to a processor through the optocoupler, and the microcontroller controls the single cells and the balancing circuit; the first circuit board is provided with a protection circuit, a power module, a processor, a charge-discharge circuit, the protection circuit is connected to one of the single cells, the power module is electrically connected to the processor, and the charge-discharge circuit is connected to the processor and a battery interface.

[0008] Through the technical scheme, the microprocessor controls each battery, and the processor is configured, so that accurate control and management of the circuit inside the mobile power supply can be realized, stable large current output can be provided in a short time by using high-performance power devices, and the circuit can reliably work in a high-temperature environment through heat dissipation measures.

[0009] Since the voltage of each battery is balanced, the current of any single battery can be detected to realize protection of all batteries from overcharging and overdischarging. Through the series connection of multiple lithium batteries, a high-voltage and large-current mobile power supply is realized to provide a large-capacity mobile power supply for power-type electric devices. The mobile power supply can be used for various electric devices and has excellent application prospects.

[0010] Preferably, the shell is concave downward with at least one second placement position.

[0011] Through the technical scheme, the second placement position can place the items to be charged on the surface, facilitating taking or supplying power to the electric device through the charging wire.

[0012] Compared with the prior art, the mobile power supply has the advantages of simple structure, increased heat dissipation effect, prolonged service life of the battery, and improved convenience and safety of the mobile power supply. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a sectional view of the mobile power supply;

[0014] Figure 2 It is a circuit diagram of the mobile power supply;

[0015] Reference signs:

[0016] 1 first circuit board; 2 second circuit board; 3 battery interface; 4 shell; 5 first cavity; 6 second cavity; 7 air grille; 8 communication channel; 9 single cell; 10 balancing circuit; 11 microcontroller; 12 optocoupler; 13 processor; 14 protection circuit; 15 power module; 17 charge-discharge circuit; 18 second placement position; 19 connector. DETAILED DESCRIPTION

[0017] In order to make the technical personnel better understand the utility model, so that the scope of protection of the utility model is more clearly limited, the utility model is described in detail below according to some specific embodiments of the utility model. It should be noted that the following is only some specific embodiments of the utility model concept, and only a part of the embodiments of the utility model, and the specific and direct description of the related structure is only for the convenience of understanding the utility model, and each specific feature does not limit the implementation range of the utility model directly and directly.

[0018] Referring to the drawings, the utility model adopts the following technical scheme, a kind of large current starting mobile power supply based on microprocessor 13 control technology, including one first circuit board 1 and at least two second circuit boards 2, the second circuit board 2 is connected with the battery interface 3 on the first circuit board 1 with a plurality of single battery circuits of series connection;Still including shell 4, the top and bottom of the shell 4 are equipped with two first chambers 5, the second circuit board 2 is installed in the first chamber 5, the middle part of the shell 4 is equipped with second chamber 6, the first circuit board 1 is arranged in the second chamber 6, a plurality of air grates 7 are opened on the lateral wall of the shell 4 between the first chamber 5 and the second chamber 6, at least one air grate 7 forms first placement site.

[0019] Through the above technical scheme, the setting of air grate 7 can heat dissipation for three circuit boards, and air grate 7 can also form placement site for placing charging articles, such as mobile phone etc., very convenient, and moving shell 4 will not cause loss when charging.

[0020] Ventilated hollow is opened on the second circuit board 2, and the heat dissipation effect is increased.

[0021] The first circuit board 1 and the second circuit board 2 are connected by connector 19, and the communication passage 8 for fixing the connector 19 is arranged between the first chamber 5 and the second chamber 6, and the communication passage 8 is integrally formed with the first chamber 5 and the second chamber 6. The two second circuit boards 2 are connected in series by the connector 19, and the connector 19 is arranged at the communication passage 8.

[0022] As the above preferred mode, the single battery circuit includes single battery 9, balance circuit 10, microcontroller 11 and optocoupler 12, the microcontroller 11 is connected with processor 13 by optocoupler 12, and the microcontroller 11 controls the single battery 9 and balance circuit 10;Protection circuit 14, power module 15, processor 13 and charge-discharge circuit 17 are arranged on the first circuit board 1, the protection circuit 14 is connected with one of the single battery 9, the power module 15 is electrically connected with the processor 13, and the charge-discharge circuit 17 is connected with the processor 13 and the battery interface 3.

[0023] Through the technical scheme, the utility model discloses a microprocessor 13 for each battery control, and the configuration processor 13 can realize the accurate control and management of the circuit inside the mobile power supply, and through the high -performance power device, stable large current output can be provided in short time, and through the heat dissipation measure, the circuit can also reliably work under high temperature environment.

[0024] Due to the voltage balance of each battery, the current detection of any single battery can be used to realize the protection of all batteries from overcharging and overdischarging. Through the series connection of multiple lithium batteries, a high-voltage and large-current mobile power supply is realized to provide a large-capacity mobile power supply for power-type electric devices. The utility model can be used for various electric devices and has excellent application prospect.

[0025] Preferably, the shell 4 is concave downward with at least one second placement position 18. Preferably, the shell 4 is fixed with a pull handle.

[0026] Through the technical scheme, the second placement position 18 can place the items that need to be charged on the surface, which is convenient to take or power the electric equipment through the charging line.

[0027] Compared with the prior art, the utility model has the advantages that the utility model has simple structure, can increase the heat dissipation effect under the condition that the internal circuit is not exposed, can prolong the service life of the battery, and can improve the convenience and safety of the mobile power supply.

[0028] In the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without deviating from the principles of the utility model, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. A high-current start-up mobile power supply based on microprocessor control technology, comprising a first circuit board (1) and at least two second circuit boards (2), wherein the second circuit boards (2) contain single-cell circuits connected in series, and the single-cell circuits are electrically connected to the battery interface (3) on the first circuit board (1); characterized in that: It also includes a housing (4), the top and bottom of which are provided with two first chambers (5), in which a second circuit board (2) is installed, and the middle of the housing (4) is provided with a second chamber (6), in which the first circuit board (1) is disposed, and a plurality of ventilation grilles (7) are provided on the side wall of the housing (4) between the first chamber (5) and the second chamber (6), and at least one ventilation grille (7) forms a first placement position.

2. The high-current start-up mobile power supply based on microprocessor control technology according to claim 1, characterized in that: The second circuit board (2) has a breathable cutout.

3. The high-current start-up mobile power supply based on microprocessor control technology according to claim 2, characterized in that: The first circuit board (1) and the second circuit board (2) are connected by a connector (19). A communication channel (8) for fixing the connector (19) is provided between the first chamber (5) and the second chamber (6). The communication channel (8) is integrally formed with the first chamber (5) and the second chamber (6).

4. The high-current start-up mobile power supply based on microprocessor control technology according to claim 1, characterized in that: The single-cell circuit includes a single cell (9), a balancing circuit (10), a microcontroller (11), and an optocoupler (12). The microcontroller (11) is connected to the processor (13) through the optocoupler (12), and the microcontroller (11) controls the single cell (9) and the balancing circuit (10).

5. The high-current start-up mobile power supply based on microprocessor control technology according to claim 4, characterized in that: The first circuit board (1) is provided with a protection circuit (14), a power module (15), a processor (13), and a charging and discharging circuit (17). The protection circuit (14) is connected to one of the single cells (9), the power module (15) is electrically connected to the processor (13), and the charging and discharging circuit (17) is connected to the processor (13) and the battery interface (3).

6. The high-current start-up mobile power supply based on microprocessor control technology according to claim 1, characterized in that: The outer casing (4) has at least one second placement position (18) recessed downwards.

7. The high-current start-up mobile power supply based on microprocessor control technology according to claim 1, characterized in that: A lifting handle is fixed on the outer shell (4).

8. The high-current start-up mobile power supply based on microprocessor control technology according to claim 3, characterized in that: Two second circuit boards (2) are connected in series via a connector (19) which is positioned at the communication channel (8).

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