Super capacitor emergency starting power box

Abstract

The utility model provides a super-capacitor emergency starting power box, and belongs to the technical field of emergency power supply equipment. Comprising a power box shell, a modular emergency starting power supply circuit is arranged in the power box shell and comprises a super-capacitor module circuit and a boost constant-current circuit, the two ends of the super-capacitor module circuit are connected with the boost constant-current circuit, and the boost constant-current circuit is connected with a charging and discharging switch. The boost constant current circuit charges the super capacitor module through the charging and discharging switch. The super-capacitor emergency starting power box is light in weight, high in reliability and capable of supporting double-voltage output, and the problems of compatibility, safety and environmental adaptability of a traditional power supply are solved through modular circuit design.

Description

Technical Field

[0001] This utility model belongs to the field of emergency power supply equipment technology, specifically relating to a supercapacitor emergency starter box, which is a portable vehicle emergency starter device based on supercapacitors. It is suitable for the rapid start-up of 12V / 24V automobiles, construction machinery, rail transit, aerospace and other equipment, and features dual voltage output, rapid charging and discharging, intelligent control and high safety. Background Technology

[0002] Traditional vehicle emergency power supplies mostly use lead-acid or lithium batteries, which have the following problems: 1. Size and weight: Lead-acid batteries have low energy density, poor portability, and short cycle life; 2. Safety: Lithium batteries are prone to overheating during high-current discharge, posing a risk of combustion and explosion; 3. Compatibility: Traditional equipment is difficult to be compatible with 12V / 24V dual voltage requirements, requiring additional adapters; 4. Environmental adaptability: Battery performance deteriorates significantly in low-temperature environments, leading to starting failure.

[0003] While existing supercapacitors possess advantages such as high power density, rapid charging and discharging, long cycle life, and wide temperature adaptability, they lack integrated design for vehicle starting scenarios, particularly in terms of circuit control and user interaction. Therefore, improvements are necessary. Utility Model Content

[0004] The technical problem solved by this utility model is to provide a supercapacitor emergency starter power supply box. The purpose of this utility model is to design a lightweight, highly reliable supercapacitor emergency starter power supply box that supports dual voltage output. The modular circuit design solves the compatibility, safety and environmental adaptability problems of traditional power supplies.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A supercapacitor emergency starter power supply box includes a power supply box shell. Inside the power supply box shell is a modular emergency starter power supply circuit. The modular emergency starter power supply circuit includes a supercapacitor module circuit and a boost constant current circuit. The two ends of the supercapacitor module circuit are connected to the boost constant current circuit. The boost constant current circuit is connected to a charge / discharge switch. The boost constant current circuit is connected to a vehicle power supply or an external power supply through the charge / discharge switch.

[0007] Further defining the above scheme, the supercapacitor module includes two sets of supercapacitor series groups, each set of supercapacitor series groups is composed of several supercapacitors connected in series, and the two sets of supercapacitor series groups are connected by a switching device to realize the conversion between series or parallel connection of the two sets of supercapacitor series groups.

[0008] Further defining the above scheme, each supercapacitor series group consists of five 2.7V 3000F supercapacitors connected in series. The total capacity of the supercapacitor module circuit is 1200F when connected in parallel or 300F when connected in series, with a full-charge voltage of 13.5V or 27V. The two supercapacitor series groups are connected in parallel or in series by a conversion switch to achieve 12V / 24V dual-mode output.

[0009] As a further limitation of the above scheme, the boost constant current circuit adopts a boost constant current board.

[0010] As a further limitation of the above scheme, a voltage display digital tube is connected to both ends of the supercapacitor module circuit.

[0011] Further specifying the above solution, the power supply box casing has a control panel on the front, and the display portion of the voltage display digital tube is located on the control panel; the charge / discharge switch and the selector switch are fixed on the control panel; the control panel also has an LED indicator light, which is connected to the constant current circuit of the boost board; the control panel has an input interface, which is connected to the charge / discharge switch; the control panel has an output interface, which is connected to the supercapacitor module through the charge / discharge switch.

[0012] Further specifying the above solution, the output interface uses a silver-plated copper alloy clip with a contact resistance of <0.5mΩ and an instantaneous withstand current of ≥300A.

[0013] As a further specification of the above scheme, the power supply box casing is made of aluminum alloy.

[0014] Advantages of this utility model compared to the prior art:

[0015] 1. This solution is a portable vehicle emergency starter based on supercapacitors, suitable for rapid starting of 12V / 24V vehicles, construction machinery, rail transit, aerospace and other equipment. It features dual voltage output, fast charging and discharging, intelligent control and high safety.

[0016] 2. This solution has a fast response capability; it can be fully charged in 3-5 minutes when the applied voltage is greater than 5V, which can meet the emergency start-up requirements.

[0017] 3. This solution has high compatibility, allowing for one-button switching between 12V / 24V output via a conversion switch, making it suitable for various vehicle models;

[0018] 4. This solution is safe and reliable, with a cycle life of >100,000 cycles, and can operate stably in a wide temperature range of -30℃ to 60℃;

[0019] 5. This solution is user-friendly: the digital tube displays the voltage in real time, and the LED status indicators are clear and intuitive. Attached Figure Description

[0020] Figure 1 This is the circuit diagram of this utility model;

[0021] Figure 2 This is a schematic diagram of the control panel in this utility model. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0024] Please see Figure 1-2 The embodiments of this utility model are described in detail below.

[0025] A supercapacitor emergency starter power supply box, see reference. Figure 1 As shown, the device includes a power supply housing 1, inside which is a modular emergency start-up power supply circuit. The modular emergency start-up power supply circuit includes a supercapacitor module circuit 2 and a boost constant current circuit 3. The two ends of the supercapacitor module circuit 2 are connected to the boost constant current circuit 3. The boost constant current circuit 3 is connected to a charge / discharge switch 5. The boost constant current circuit 3 is connected to the vehicle power supply or an external power supply through the charge / discharge switch 5.

[0026] In one specific implementation: See Figure 1 As shown, the supercapacitor module 2 includes two sets of supercapacitor series groups 2-1. Each set of supercapacitor series groups 2-1 is composed of several supercapacitors 2-1-1 connected in series. The two sets of supercapacitor series groups 2-1 are connected by a switch 2-2 to realize the conversion between the two sets of supercapacitor series groups 2-1 in series or in parallel.

[0027] Preferably, each supercapacitor series group 2-1 consists of five 2.7V 3000F supercapacitors 2-1-1 connected in series. The total capacity of the supercapacitor module circuit 2 is 1200F when connected in parallel or 300F when connected in series, with a full-charge voltage of 13.5V or 27V. Two groups of supercapacitor series groups 2-1 are connected in parallel or in series via a switch 2-2 to achieve 12V / 24V dual-mode output. An equalization circuit (CBD module) is also configured to ensure consistent voltage across individual capacitors.

[0028] In one specific implementation: See Figure 1 As shown, the boost constant current circuit 3 adopts a boost constant current board.

[0029] In this embodiment, the boost constant current board has the following characteristics: During the charging stage, it boosts the 5V-12V input to 24V to charge the capacitor bank, supporting the PD fast charging protocol; During the discharging stage, it outputs 12V (200A for 30 seconds) or 24V (300A for 12 seconds) through a conversion switch; It integrates dynamic power adjustment function to match different load requirements.

[0030] In one specific implementation: See Figure 2 As shown, voltage display digital tubes 4 are connected to both ends of the supercapacitor module circuit 2.

[0031] The power supply box housing 1 has a control panel 6 on its front, and the display portion of the voltage display digital tube 4 is located on the control panel 6. The charge / discharge switch 5 and the changeover switch 2-2 are fixed on the control panel 6. The control panel 6 also has an LED indicator 7, which is connected to the circuit of the charge / discharge switch 5. The control panel 6 has an input interface 8, which is connected to the charge / discharge switch 5. The control panel 6 has an output interface 9, which is connected to the supercapacitor module through the charge / discharge switch.

[0032] In this implementation:

[0033] Input interface: Compatible with 5V-12V input via external power adapter interface;

[0034] Output interface 9: silver-plated copper alloy clip, marked with "+ / -" poles, contact resistance <0.5mΩ, instantaneous withstand current ≥300A.

[0035] LED indicator: Displays charging status (e.g., red for charging, green for fully charged);

[0036] Voltage display digital tube: displays the voltage and output mode of the supercapacitor bank in real time;

[0037] Charge / discharge switch: Manually controls the start and stop of charging and discharging.

[0038] In one specific embodiment: the power supply box housing 1 is made of aluminum alloy material.

[0039] The aluminum alloy casing, combined with the internal airflow design, improves heat dissipation efficiency; key power components are fitted with heat sinks to ensure long-term operational stability.

[0040] This invention relates to a portable vehicle emergency starting device based on a supercapacitor. It is suitable for the rapid starting of 12V / 24V automotive, construction machinery, rail transportation, aerospace, and other equipment, and features dual voltage output, rapid charging and discharging, intelligent control, and high safety. Its performance characteristics are as follows:

[0041] 1. Capacitor configuration: 5 2.7V 3000F supercapacitors connected in series, with a total capacity of 1200F or 300F and a full-charge voltage of 13.5V or 27V;

[0042] 2. Charging process: When the input is 5V-12V / 2A, the boost constant current circuit will boost the voltage to 24V. The digital tube displays the real-time voltage. When it reaches 12V within 3-5 minutes, the LED turns green.

[0043] 3. Discharge control: Users can select 12V or 24V mode via a selector switch. After pressing the charge / discharge switch, the supercapacitor output voltage is triggered, and it will automatically shut down in case of timeout or malfunction.

[0044] 4. Heat dissipation test: Under full load output, the casing temperature is ≤50℃ and the internal component temperature rise is <20℃.

[0045] An intelligent control module can also be added to the technology of this embodiment:

[0046] The intelligent control module integrates the STM32F103 main control chip to realize real-time monitoring of three parameters: voltage, current, and temperature, as well as multiple protection logics.

[0047] Control logic: The output mode is switched via the "12V / 24V charging mode selector switch" to trigger the supercapacitor module to work;

[0048] Multiple protections: Automatic circuit cut-off in case of overvoltage, overcurrent, short circuit and overtemperature.

[0049] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0050] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A supercapacitor emergency starter power supply box, characterized in that: The device includes a power supply box housing (1), inside which is a modular emergency start power supply circuit. The modular emergency start power supply circuit includes a supercapacitor module circuit (2) and a boost constant current circuit (3). The two ends of the supercapacitor module circuit (2) are connected to the boost constant current circuit (3). The boost constant current circuit (3) is connected to a charge / discharge switch (5). The boost constant current circuit (3) is connected to the vehicle power supply through the charge / discharge switch (5).

2. The supercapacitor emergency start-up power supply box according to claim 1, characterized in that: The supercapacitor module circuit (2) includes two sets of supercapacitor series groups (2-1). Each set of supercapacitor series groups (2-1) is composed of several supercapacitors (2-1-1) connected in series. The two sets of supercapacitor series groups (2-1) are connected by a switch (2-2) to realize the conversion between the two sets of supercapacitor series groups (2-1) in series or in parallel.

3. The supercapacitor emergency start-up power supply box according to claim 2, characterized in that: Each supercapacitor series group (2-1) is composed of five 2.7V 3000F supercapacitors (2-1-1) connected in series. The total capacity of the supercapacitor module circuit (2) is 1200F when connected in parallel or 300F when connected in series, with a full-charge voltage of 13.5V or 27V. The two supercapacitor series groups (2-1) are connected in parallel or in series through a conversion switch (2-2) to achieve 12V / 24V dual-mode output.

4. The supercapacitor emergency starter power supply box according to claim 1, characterized in that: The boost constant current circuit (3) adopts a boost constant current board.

5. A supercapacitor emergency starter power supply box according to claim 1, characterized in that: The voltage display digital tube (4) is connected to both ends of the supercapacitor module circuit (2).

6. A supercapacitor emergency starter power supply box according to claim 5, characterized in that: The power supply box housing (1) is provided with a control panel (6) on the front, and the display part of the voltage display digital tube (4) is set on the control panel (6); the charge / discharge switch (5) and the changeover switch (2-2) are fixed on the control panel (6); the control panel (6) is also provided with an LED indicator (7), which is connected to the line of the charge / discharge switch (5); the control panel (6) is provided with an input interface (8), which is connected to the charge / discharge switch (5); the control panel (6) is provided with an output interface (9), which is connected to the supercapacitor module through the charge / discharge switch (5).

7. A supercapacitor emergency starter power supply box according to claim 6, characterized in that: The output interface (9) uses a silver-plated copper alloy clip with a contact resistance of <0.5mΩ and an instantaneous withstand current of ≥300A.

8. A supercapacitor emergency start-up power supply box according to claim 1, characterized in that: The power supply box casing (1) is made of aluminum alloy.

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