DTU battery charging type switching power supply

Abstract

The utility model discloses a DTU battery charging type switching power supply, which comprises a base and a control circuit board, and a buckle connection structure and a buffer protection structure are arranged between the base and the control circuit board. The control circuit board is provided with a DTU battery charging type switching power supply circuit; the DTU battery charging type switching power supply circuit comprises an EMC filter circuit, a high-voltage rectification filter circuit, a power conversion circuit, an output rectification filter circuit, an output detection protection circuit, an isolation output circuit, a control module circuit, a battery charging and discharging management circuit and a battery input and output monitoring circuit. According to the utility model, the buckle connecting structure is used for controlling the detachable connection between the circuit board and the base, so that the convenience of mounting or dismounting is improved, and the subsequent maintenance is facilitated; the buffer protection structure is arranged to improve the buffer damping protection effect, the connection stability of internal elements is ensured, the use performance of the DTU battery charging type switching power supply is improved, and the service life of the DTU battery charging type switching power supply is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of charging type switching power supply, specifically relates to a DTU battery charging type switching power supply. BACKGROUND

[0002] The charging type switching power supply is a functional extension of the switching power supply, and aims to maintain a stable output voltage, and uses a battery charging and discharging module as a backup power supply for a load. The existing charging type switching power supply comprises a base and a circuit board. The existing circuit board is arranged on the base by means of screw locking. When the circuit board needs to be replaced and maintained, the disassembly and installation steps are complicated, time-consuming, and affect the maintenance efficiency. Moreover, the existing circuit board has no damping function. The vibration caused by external force may affect the components on the circuit board, thereby affecting the service life and performance of the charging type switching power supply. Moreover, the existing charging type switching power supply is cooled by a radiator. The cooling efficiency and effect are poor. The heat generated during operation may affect the performance and service life of the electronic components inside the charging type switching power supply. SUMMARY

[0003] The utility model provides a DTU battery charging type switching power supply in view of the technical deficiency.

[0004] The utility model discloses the technical scheme adopted for realizing the purpose is:

[0005] A DTU battery charging type switching power supply comprises a base and a control circuit board. A buckle connection structure and a buffer protection structure are arranged between the base and the control circuit board. The base is provided with a heat dissipation assembly on both sides. The control circuit board is arranged between the two heat dissipation assemblies. The control circuit board is provided with a DTU battery charging type switching power supply circuit. The DTU battery charging type switching power supply circuit comprises an EMC filter circuit, a high-voltage rectifier filter circuit, a power conversion circuit, an output rectifier filter circuit, an output detection protection circuit, an isolation output circuit, a control module circuit, a battery charging and discharging management circuit, and a battery input and output monitoring circuit. The control module is provided with a communication connection end. The communication connection end comprises a 485A pin end and a 485B pin end.

[0006] The control module circuit is further provided with a key function conversion module. The key function conversion module comprises a battery control module and an activation control module. The control module is used for controlling the debugging process.

[0007] The battery charging and discharging management circuit is electrically connected with the output detection protection circuit. The battery charging and discharging management circuit is electrically connected with the battery input and output monitoring circuit. The battery charging and discharging management circuit is used for charging and discharging management.

[0008] The power conversion circuit is provided with a PFV+PWM control module, and the power conversion circuit is used for power conversion and change, thereby outputting required power.

[0009] The battery input and output monitoring is also provided with a connecting pin end, and the battery input and output monitoring circuit is used for monitoring the condition of the external battery, thereby feeding back to the control module circuit for regulation and control.

[0010] The isolation output circuit is electrically connected with the output detection protection circuit, the isolation output circuit is used for outputting 26V working voltage, the isolation output circuit is provided with a connecting pin end one, and the connecting pin end one is used for secondary power supply with the external unit.

[0011] Further improvement, the buckle connection structure includes a plurality of buckle holes and a plurality of buckles, a plurality of the buckle holes are arranged in the four corner parts of the control circuit board, a plurality of the buckles are arranged in the four corner parts of the base respectively, and the buckles are matched and connected with the buckle holes.

[0012] Further improvement, the buckle includes a column, and the top of the column is provided with two mirror image buckles.

[0013] Further improvement, the buffer protection structure includes a plurality of buffer protection components, and a plurality of the buffer protection components are arranged on the column respectively; the buffer protection component includes a spring and a damping sheet, the spring is arranged outside the column, and the damping sheet is arranged at the bottom of the spring.

[0014] Further improvement, the heat dissipation component includes a heat sink and a plurality of heat dissipation fans, a plurality of the heat dissipation fans are arranged on the outer side of the heat sink, and the heat sink is arranged on the base by screw locking.

[0015] Further improvement, the heat sink is also provided with a heat-conducting silica gel sheet, and a heat-conducting contact silica gel sheet is arranged between the base and the control circuit board, and the heat-conducting contact silica gel sheet is connected with the heat-conducting silica gel sheets on both sides.

[0016] Further improvement, the EMC filter circuit is provided with a connecting end three, and the connecting end three includes an L connecting end, an N connecting end and an FG connecting end.

[0017] Further improvement, the connecting pin end includes a B+ connecting end and a B- connecting end.

[0018] Further improvement, the connecting pin end one includes a V02+ connecting end and a V02- connecting end; the output detection protection circuit is provided with a connecting end four, and the connecting end four includes a V01+ connecting end and a V01- connecting end.

[0019] As a further improvement, the control circuit board is provided with connection terminals, each of which is provided with a plurality of connection ports, which are respectively electrically connected with the L connection terminal, the N connection terminal, the FG connection terminal, the B+ connection terminal, the B- connection terminal, the V02+ connection terminal, the V02- connection terminal, the V01+ connection terminal and the V01- connection terminal.

[0020] The utility model discloses an advantageous effect: the utility model discloses through setting control module circuit still is equipped with button function conversion module, button function conversion module includes battery control module and activation control module, control module is used for the effect of control debugging processing, battery charge -discharge management circuit with Output Detection Protection Circuit Electric Connection, and battery charge -discharge management circuit with battery input output monitoring circuit Electric Connection, battery charge -discharge management is used for the effect of charge and discharge management, power conversion circuit is equipped with PFV+PWM control module, power conversion circuit is used for the effect of power conversion change, thereby output required power, battery input output monitoring still is equipped with connecting pin end, battery output input monitoring circuit is used for monitoring the condition of outside battery, thereby feedback to control module circuit and carry out the effect of regulation and control control, isolation output circuit with Output Detection Protection Circuit Electric Connection, isolation output circuit is used for output 26V operating voltage, isolation output circuit is equipped with connecting pin end no.

[0021] Through setting buckle connection structure is used for the detachable connection between control circuit board and the base, improves the convenience of installation or dismounting, thereby facilitating the subsequent maintenance, improves the efficiency of maintenance replacement, through setting buffer protection structure is used for the effect of buffer shock attenuation protection, thereby guaranteeing the connection stability of internal element, prolongs the use performance and life of DTU battery charging type switching power supply, through setting heat dissipation assembly is used for the effect of heat dissipation, and the heat conduction contact silica gel piece is set up for improving the effect and efficiency of heat dissipation, thereby prolonging the service life of DTU battery charging type switching power supply.

[0022] The utility model is further illustrated below in connection with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is whole structure schematic diagram of DTU battery charging type switching power supply of this embodiment;

[0024] Figure 2 It is side view schematic diagram of DTU battery charging type switching power supply of this embodiment;

[0025] Figure 3 It is module schematic diagram of DTU battery charging type switching power supply circuit of this embodiment;

[0026] Figure 4 Part of circuit schematic diagram of the DTU battery charging type switching power supply circuit of the embodiment;

[0027] Figure 5 Another part of circuit schematic diagram of the DTU battery charging type switching power supply circuit of the embodiment. DETAILED DESCRIPTION

[0028] The preferred embodiments described below are merely used to explain the present application, and not to limit the present application.

[0029] Embodiment, please refer to the accompanying Figures 1-5 A DTU battery charging type switching power supply 1 comprises a base 2 and a control circuit board 3, a buckle connection structure 4 and a buffer protection structure 5 are arranged between the base 2 and the control circuit board 3; both sides of the base 2 are provided with heat dissipation assemblies 6, and the control circuit board 3 is arranged between the two heat dissipation assemblies 6; the control circuit board 3 is provided with a DTU battery charging type switching power supply circuit 7; the DTU battery charging type switching power supply circuit 7 comprises an EMC filter circuit, a high-voltage rectifier filter circuit, a power conversion circuit, an output rectifier filter circuit, an output detection protection circuit, an isolation output circuit, a control module circuit, a battery charging and discharging management circuit and a battery input and output monitoring circuit; the control module is provided with a communication connection end, and the communication connection end comprises a 485A pin end and a 485B pin end;

[0030] The control module circuit is also provided with a key function conversion module, and the key function conversion module comprises a battery control module and an activation control module; the control module is used for controlling the debugging process;

[0031] The battery charging and discharging management circuit is electrically connected with the output detection protection circuit; and the battery charging and discharging management circuit is electrically connected with the battery input and output monitoring circuit; the battery charging and discharging management is used for the charging and discharging management;

[0032] The power conversion circuit is provided with a PFV+PWM control module, and the power conversion circuit is used for the conversion change of power, so as to output the required power;

[0033] The battery input and output monitoring is also provided with a connection pin end, and the battery input and output monitoring circuit is used for monitoring the condition of the external battery, so as to feedback to the control module circuit for the role of regulation and control;

[0034] The isolation output circuit is electrically connected with the output detection protection circuit, the isolation output circuit is used for outputting a 26V working voltage, the isolation output circuit is provided with a connection pin end one, and the connection pin end one is used for the role of secondary power supply with the external unit.

[0035] The buckle connection structure 4 comprises a plurality of buckle holes 40 and a plurality of buckles 41, the plurality of buckle holes 40 are arranged in the four corner portions of the control circuit board 3, the plurality of buckles 41 are arranged in the four corner portions of the base 2 respectively, and the buckles 41 are connected with the buckle holes 40 in a matched mode; the buckle 41 comprises a column, the top of the column is provided with two mirror image buckling hooks arranged oppositely, and the buckle 41 connection structure 4 is used for detachable connection between the control circuit board 3 and the base 2, improves the convenience of installation or dismounting, thereby facilitating subsequent maintenance and improving the efficiency of maintenance and replacement.

[0036] The buffer protection structure 5 comprises a plurality of buffer protection components 50, and the plurality of buffer protection components 50 are arranged on the columns respectively; the buffer protection component 50 comprises a spring 51 and a damping sheet 52, the spring 51 is arranged outside the column, and the damping sheet 52 is arranged at the bottom of the spring 51; the buffer protection structure 5 is used for improving the buffering and damping protection effect, thereby ensuring the connection stability of the internal elements and prolonging the service performance and life of the DTU battery charging type switching power supply 1.

[0037] The heat dissipation component 6 comprises a heat sink 60 and a plurality of heat dissipation fans 61, the plurality of heat dissipation fans 61 are arranged on the outer side of the heat sink 60, and the heat sink 60 is arranged on the base 2 in a threaded locking mode; the heat sink 60 is also provided with a heat-conducting silica gel sheet 62, the base 2 and the control circuit board 3 are also provided with a heat-conducting contact silica gel sheet 63, the heat-conducting contact silica gel sheet 63 is connected with the heat-conducting silica gel sheets 62 on both sides, and the heat dissipation component 6 is used for heat dissipation, and the heat-conducting contact silica gel sheet 63 is used for improving the heat dissipation effect and efficiency, thereby prolonging the service life of the DTU battery charging type switching power supply 1.

[0038] The EMC filter circuit is provided with a connection end three, and the connection end three comprises an L connection end, an N connection end and an FG connection end.

[0039] The connection pin end comprises a B+ connection end and a B- connection end.

[0040] The connection pin end one comprises a V02+ connection end and a V02- connection end; the output detection protection circuit is provided with a connection end four, and the connection end four comprises a V01+ connection end and a V01- connection end.

[0041] The control circuit board 3 is provided with a connection terminal, and the connection terminal is provided with a plurality of connection ports, and the connection ports are electrically connected with the L connection end, the N connection end, the FG connection end, the B+ connection end, the B- connection end, the V02+ connection end, the V02- connection end, the V01+ connection end and the V01- connection end respectively.

[0042] The utility model discloses a control module circuit still is equipped with button function conversion module, button function conversion module includes battery control module and activation control module, control module is used to control the effect of debugging processing, battery charge -discharge management circuit with Output Detection Protection Circuit Electric Connection, and battery charge -discharge management circuit with Battery Input Output Monitoring Circuit Electric Connection, battery charge -discharge management is used for the effect of charging and discharging management, power conversion circuit is equipped with PFV+PWM control module, power conversion circuit is used for the effect of power conversion change, thereby output required power, battery input output monitoring still is equipped with connecting pin end, battery input output monitoring circuit is used for monitoring the condition of outside battery, thereby feedback to control module circuit and carries out the effect of regulation and control control, isolation output circuit with Output Detection Protection Circuit Electric Connection, isolation output circuit is used for output 26V operating voltage, isolation output circuit is equipped with connecting pin end no.

[0043] Through set up buckle connecting structure is used for the detachable connection between control circuit board and the base, improve the convenience of installation or disassembly, thereby facilitating the subsequent maintenance, improve the efficiency of maintenance replacement, through set up buffer protection structure is used for improving the effect of buffer shock attenuation protection, thereby guaranteeing the connection stability of internal element, prolong the use performance and life of DTU battery charging type switching power supply, through set up heat dissipation component is used for the effect of heat dissipation, combination setting heat conduction contact silica gel piece is used for improving the effect and efficiency of heat dissipation, thereby prolong the service life of DTU battery charging type switching power supply.

[0044] The utility model discloses not limited to above-mentioned embodiment, adopt same or approximate structure or device with above-mentioned embodiment of the utility model, and obtain other for DTU battery charging type switching power supply, all are within the protection scope of the utility model.

Claims

1. A DTU battery-charged switching power supply, characterized by: The DTU battery charging switching power supply comprises a base and a control circuit board, a buckle connection structure and a buffer protection structure are arranged between the base and the control circuit board, both sides of the base are provided with heat dissipation assemblies, the control circuit board is arranged between the two heat dissipation assemblies, the control circuit board is provided with a DTU battery charging switching power supply circuit, the DTU battery charging switching power supply circuit comprises an EMC filter circuit, a high-voltage rectifier filter circuit, a power conversion circuit, an output rectifier filter circuit, an output detection protection circuit, an isolation output circuit, a control module circuit, a battery charging and discharging management circuit and a battery input and output monitoring circuit, the control module is provided with a communication connection end, the communication connection end comprises a 485A pin end and a 485B pin end. The control module circuit is further provided with a key function conversion module, the key function conversion module comprises a battery control module and an activation control module, and the control module is used for controlling the debugging process. The battery charging and discharging management circuit is electrically connected with the output detection protection circuit, and the battery charging and discharging management circuit is electrically connected with the battery input and output monitoring circuit, and the battery charging and discharging management circuit is used for charging and discharging management. The power conversion circuit is provided with a PFV+PWM control module, and the power conversion circuit is used for power conversion, thereby outputting the required power. The battery input and output monitoring is further provided with a connection pin end, the battery input and output monitoring circuit is used for monitoring the condition of the external battery, thereby feeding back to the control module circuit for control. The isolation output circuit is electrically connected with the output detection protection circuit, the isolation output circuit is used for outputting a 26V working voltage, the isolation output circuit is provided with a connection pin end one, and the connection pin end one is used for secondary power supply with an external unit.

2. The DTU battery-charged switching power supply of claim 1, wherein: The buckle connection structure comprises a plurality of buckle holes and a plurality of buckles, the plurality of buckle holes are arranged in four corner portions of the control circuit board, the plurality of buckles are respectively arranged in four corner portions of the base, and the buckles are connected with the buckle holes in a matched mode.

3. The DTU battery-charged switching power supply of claim 2, wherein: The buckle comprises a column, and the top of the column is provided with two mirror image buckling hooks.

4. The DTU battery-charged switching power supply of claim 3, wherein: The buffer protection structure comprises a plurality of buffer protection assemblies, and the plurality of buffer protection assemblies are respectively arranged on the columns; the buffer protection assemblies each comprise a spring and a damping sheet, the spring is arranged outside the column, and the damping sheet is arranged at the bottom of the spring.

5. The DTU battery-charged switching power supply of claim 4, wherein: The heat dissipation assembly comprises a heat sink and a plurality of heat dissipation fans, the plurality of heat dissipation fans are arranged on the outer side of the heat sink, and the heat sink is arranged on the base in a threaded locking mode.

6. The DTU battery-charged switching power supply of claim 5, wherein: The heat sink is further provided with a heat-conducting silica gel sheet, the base and the control circuit board are further provided with a heat-conducting contact silica gel sheet, and the heat-conducting contact silica gel sheet is connected with the heat-conducting silica gel sheets on both sides.

7. The DTU battery-charged switching power supply of claim 6, wherein: The EMC filter circuit is provided with a connection end three, and the connection end three comprises an L connection end, an N connection end and an FG connection end.

8. The DTU battery-charged switching power supply of claim 7, wherein: The connection pin end comprises a B+ connection end and a B- connection end.

9. The DTU battery-charged switching power supply of claim 8, wherein: The connecting pin end one comprises a V02+ connecting end and a V02- connecting end; the output detection protection circuit is provided with a connecting end four, which comprises a V01+ connecting end and a V01- connecting end.

10. The DTU battery-charged switching power supply of claim 9, wherein: The control circuit board is provided with connecting terminals, each of which is provided with a plurality of connecting ports, which are respectively electrically connected with the L connecting end, the N connecting end, the FG connecting end, the B+ connecting end, the B- connecting end, the V02+ connecting end, the V02- connecting end, the V01+ connecting end and the V01- connecting end.

Images