Splicing type back-up power supply module

Abstract

The utility model provides a splicing type back-up power supply module group, comprising a super capacitor module used for providing a power supply; the splicing module is connected with the super capacitor module and is used for splicing external host equipment to realize multi-stage splicing; and the voltage detection module is connected with the splicing module and can detect the state and voltage of the host equipment. By adopting the technical scheme, the external host equipment is spliced by utilizing the splicing module, energy storage and power supply are realized through the super capacitor module, and when the voltage detection circuit detects that the host equipment is powered down, the super capacitor module is started to supply power to the host equipment, and meanwhile, a plurality of external host equipment can be connected through the splicing module, so that the power supply efficiency is improved. And multi-stage splicing of multiple same devices is realized, and capacity expansion under a high-load condition is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of railway production power supply equipment, in particular to a spliced backup power supply module. Background Art

[0002] As is well known, in the railway production environment, a backup power supply module is usually provided in the host device, which can supply power to the device host when the host device loses power. The traditional backup power supply scheme for the device host generally uses a storage battery as the energy storage component, which has many deficiencies such as large weight, poor adaptability to high and low temperature environments, and low battery life.

[0003] At present, Chinese Patent Publication No. CN209805488U discloses a backup power supply for a railway vehicle-mounted radio based on supercapacitors, including a supercapacitor bank, a charging management circuit, and an output voltage adjustment circuit. The input end of the charging management circuit is connected to the vehicle-mounted power supply, the output end of the charging management circuit is connected to the supercapacitor bank, the input end of the output voltage adjustment circuit is connected to the supercapacitor bank, and the output end of the output voltage adjustment circuit is connected to the vehicle-mounted power supply.

[0004] Although this backup power supply for a railway vehicle-mounted radio can provide a backup power supply for the device host, it is difficult to achieve the splicing of multiple external devices, and its functions are limited. Summary of the Utility Model

[0005] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide a spliced backup power supply module, which is used to solve the problem that it is difficult to splice with multiple external devices in the prior art.

[0006] To achieve the above purpose and other related purposes, the present utility model provides a spliced backup power supply module, including: a supercapacitor module for providing power; a splicing module connected to the supercapacitor module for splicing external host devices to achieve multi-stage splicing; a voltage detection module connected to the splicing module for detecting the state and voltage of the host device.

[0007] By adopting the above technical solution, the external host device is spliced by using the splicing module, the supercapacitor module stores energy and supplies power, and when the voltage detection circuit detects that the host device loses power, the supercapacitor module is started to supply power to the host device. At the same time, multiple external host devices can be connected through the splicing module to achieve multi-stage splicing of multiple same devices, and capacity expansion under high load conditions can be realized.

[0008] In an embodiment of the present utility model, the supercapacitor module includes a capacitor circuit, a constant current circuit connected to the capacitor circuit, a constant voltage circuit connected to the capacitor circuit, and an equalization circuit connected in series with the constant current circuit for charging the capacitor.

[0009] By adopting the above technical solution, electrical energy is stored through a capacitive circuit, and the capacitive circuit is charged through a constant voltage circuit, a constant current circuit, and a balancing circuit, so as to provide a backup power supply for the device host. Using a super capacitor is safer and more stable.

[0010] In an embodiment of the present invention, the splicing module includes a P1 connector and a P2 connector connected to the super capacitor module, and both the P1 connector and the P2 connector are connectors of model Header 4X2.

[0011] By adopting the above technical solution, using a Header 4X2 connector can have multiple serial ports and can realize the splicing with multiple host devices.

[0012] In an embodiment of the present invention, the voltage detection module includes a switch circuit connected to the super circuit module, and the switch circuit is a circuit composed of a field effect transistor of model AO3400.

[0013] By adopting the above technical solution, the circuit voltage can be judged through the circuit composed of the AO3400 field effect transistor. When the high level is 1, the circuit is on; when the high level is 0, it is in a short - circuit state. Furthermore, it cooperates with the main control device to monitor the state and voltage of the host device.

[0014] In an embodiment of the present invention, it further includes a Bluetooth communication module connected to the splicing module, and the Bluetooth communication module is an HC - 05 Bluetooth serial port module.

[0015] By adopting the above technical solution, the Bluetooth function is realized through the Bluetooth communication module.

[0016] In an embodiment of the present invention, it further includes an indicator light circuit connected to the super capacitor module.

[0017] By adopting the above technical solution, the working state of the circuit can be displayed through the indicator light circuit.

[0018] As described above, the spliced backup power supply module of the present invention has the following beneficial effects: using the splicing module to splice external host devices, storing and supplying energy through the super capacitor module, when the voltage detection circuit detects a power failure of the host device, the super capacitor module is started to supply power to the host device. At the same time, through the splicing module, multiple external host devices can be connected to realize multi - level splicing of multiple same devices and achieve capacity expansion under high - load conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It shows the overall structural schematic diagram disclosed in the embodiment of the present invention;

[0020] Figure 2It shows a circuit schematic diagram of the supercapacitor module disclosed in the embodiment of the present invention;

[0021] Figure 3 It shows a structural schematic diagram of the splicing module disclosed in the embodiment of the present invention;

[0022] Figure 4 It shows a circuit schematic diagram of the voltage detection module disclosed in the embodiment of the present invention;

[0023] Figure 5 It shows a structural schematic diagram of the Bluetooth communication module disclosed in the embodiment of the present invention;

[0024] Figure 6 It shows a circuit schematic diagram of the indicator light circuit disclosed in the embodiment of the present invention. Detailed implementation manners

[0025] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0026] Please refer to Figures 1 to 6 . It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Therefore, they do not have technical essential significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope that the technical content disclosed by the present invention can cover. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of clear narration, and are not used to limit the scope for the implementation of the present invention. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope that the present invention can implement.

[0027] As Figure 1 shown, the present invention provides a spliced backup power supply module, including:

[0028] A supercapacitor module for providing power;

[0029] As Figure 2 shown, the supercapacitor module includes a capacitor circuit, a constant current circuit connected to the capacitor circuit, a constant voltage circuit connected to the capacitor circuit, and a balancing circuit connected in series with the constant current circuit to charge the capacitor.

[0030] The constant current circuit is composed of a circuit formed by a voltage reference chip of model TL431AIDBZR, and is connected to resistor R2 and resistor R5 to make the current of the constant current circuit 250 mA, and is connected in series to the equalization circuit through rectifier diode VD1.

[0031] The constant voltage circuit is composed of a circuit formed by a voltage reference chip of model TL431AIDBZR, and is connected to resistor R12 and resistor R10, and makes the voltage of the constant voltage circuit 9.25V.

[0032] The equalization circuit includes capacitor C1, capacitor C2, capacitor C10 and capacitor C20, and each capacitor is composed of a voltage reference chip of model AZ431LANTR-G1 to realize the equalization circuit and charge the super capacitor.

[0033] As Figure 3 shown, the splicing module is connected to the super capacitor module and is used to splice external host devices to achieve multi-level splicing;

[0034] The splicing module includes a P1 connector, a P2 connector and a capacitor circuit connected to the super capacitor module. Both the P1 connector and the P2 connector are connectors of model Header 4X2. With the cooperation of the P1 connector and the P2 connector, multiple external host devices can be externally connected.

[0035] The capacitor circuit includes capacitor C33 and capacitor C34 connected in parallel to store electrical energy through capacitor C33 and capacitor C34.

[0036] As Figure 4 shown, the voltage detection module is connected to the splicing module and can detect the status and voltage of the host device;

[0037] The voltage detection module includes a switch circuit connected to the super circuit module. The switch circuit is composed of a circuit formed by a field effect transistor of model AO3400. When the high level is 1, the circuit is in a conducting state, and when the high level is 0, the circuit is in an open state.

[0038] As Figure 5 shown, it also includes a Bluetooth communication module connected to the splicing module. The Bluetooth communication module is an HC-05 Bluetooth serial port module and can realize Bluetooth communication functions through the HC-05 Bluetooth serial port module.

[0039] As Figure 6 shown, an indicator light circuit is also connected to the super capacitor module. The indicator light circuit is composed of LED_GREEN.

[0040] In summary, the utility model uses splicing modules to splice external host devices, stores energy and supplies power through a supercapacitor module, and when the power failure of the host device is detected by a voltage detection circuit, the supercapacitor module is activated to supply power to the host device. At the same time, multiple external host devices can be connected through the splicing modules to achieve multi-level splicing of multiple same devices, realizing capacity expansion under high load conditions.

[0041] Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0042] The above embodiments are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A spliced ​​backup power supply module, characterized in that: include: Super capacitor module, used to provide power; A splicing module, connected to the supercapacitor module, is used to splice external host devices to achieve multi-level splicing; The voltage detection module is connected with the splicing module to detect the status and voltage of the host device; The supercapacitor module includes a capacitor circuit, a constant current circuit connected to the capacitor circuit, a constant voltage circuit connected to the capacitor circuit, and a balancing circuit connected in series with the constant current circuit to charge the supercapacitor; The splicing module includes a P1 connector and a P2 connector connected to the super capacitor module and a capacitor circuit, and both the P1 connector and the P2 connector are connectors of model Header 4X2.

2. The spliced ​​backup power supply module according to claim 1, characterized in that: The voltage detection module includes a switch circuit connected to the super circuit module, and the switch circuit has a circuit composed of a field effect transistor of model AO3400.

3. The spliced ​​backup power supply module according to claim 1, characterized in that: It also includes a Bluetooth communication module connected to the splicing module, and the Bluetooth communication module is a HC-05 Bluetooth serial port module.

4. The spliced ​​backup power supply module according to claim 1, characterized in that: Also included is an indicator light circuit connected to the supercapacitor module.

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