CN219513956U - Power supply protection system based on direct current power supply - Google Patents
Power supply protection system based on direct current power supply Download PDFInfo
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- CN219513956U CN219513956U CN202320649335.0U CN202320649335U CN219513956U CN 219513956 U CN219513956 U CN 219513956U CN 202320649335 U CN202320649335 U CN 202320649335U CN 219513956 U CN219513956 U CN 219513956U
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- power supply
- current power
- heat dissipation
- direct current
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a power supply protection system based on a direct-current power supply, which comprises a heat conduction assembly, an active heat dissipation assembly and an array type heat dissipation hole group, wherein the heat conduction assembly is connected with the active heat dissipation assembly; the heat conduction assembly comprises a heat conduction rubber plate and a U-shaped metal heat conduction plate, the heat conduction rubber plate is arranged between an internal current plate of the direct-current power supply and the U-shaped metal heat conduction plate, the active heat dissipation assembly comprises a plurality of groups of fan structures and two metal heat dissipation fins, and the metal heat dissipation fins are respectively arranged on two sides of the outer portion of the U-shaped metal heat conduction plate. According to the utility model, through the arrangement of the metal radiating fins, the U-shaped metal heat-conducting plate and the fan structure, the overall strength of the direct-current power supply is improved under the condition of ensuring the radiating efficiency, a good protection effect is achieved, and the power supply stability of the direct-current power supply is ensured; through the setting of output cutting off the subassembly, can be when the electric current is too high in the return circuit, push out the DC power supply output joint with outside cable, realize cutting off the output, guaranteed DC power supply's safety in utilization.
Description
Technical Field
The utility model relates to the technical field of direct-current power supplies, in particular to a power supply protection system based on a direct-current power supply.
Background
The DC power supply is a device for forming stable constant voltage current in a maintenance circuit, the DC power supply is provided with a positive electrode and a negative electrode, the potential of the positive electrode is high, the potential of the negative electrode is low, and when the two electrodes are communicated with the circuit, the constant potential difference can be maintained between the two ends of the circuit, so that the current from the positive electrode to the negative electrode is formed in an external circuit. A dc power supply is an energy conversion device that converts other forms of energy into electrical energy for supply to a circuit to maintain a steady flow of current.
The existing direct current power supply mainly adopts a passive heat dissipation structure, namely, heat is dissipated through a heat dissipation hole or a heat dissipation window, when the current in a loop is too large, if the heat is not timely discharged or output is cut off, the damage of components in the direct current power supply is extremely easy to cause, the service life of the direct current power supply is greatly reduced, and therefore, the power supply protection system based on the direct current power supply is provided.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: how to solve the problem that the damage to the internal components of the direct current power supply is easily caused by adopting a passive heat dissipation structure in the existing direct current power supply, and the service life of the direct current power supply is greatly reduced, and a power supply protection system based on the direct current power supply is provided.
The utility model solves the technical problems through the following technical proposal, which comprises the following steps: the heat conduction assembly, the active heat dissipation assembly and the array type heat dissipation hole set; the heat conduction assembly comprises a heat conduction rubber plate and a U-shaped metal heat conduction plate, wherein the heat conduction rubber plate is arranged between an internal current plate of a direct current power supply and the U-shaped metal heat conduction plate, the active heat dissipation assembly comprises a plurality of groups of fan structures and two metal heat dissipation fins, the metal heat dissipation fins are respectively arranged on two sides of the outer part of the U-shaped metal heat conduction plate, two side surfaces of the metal heat dissipation fins are respectively clung to the outer wall of the U-shaped metal heat conduction plate and the inner wall of a direct current power supply shell, the plurality of groups of fan structures are symmetrically arranged at the rear end of the inner part of the metal heat dissipation fins, an air inlet window is arranged at the rear end of the direct current power supply shell corresponding to the position of the fan structures, and the array heat dissipation hole group comprises a plurality of heat dissipation holes which are arranged in an array, and the heat dissipation holes are formed in two sides of the direct current power supply shell and are communicated with the inner space of the metal heat dissipation fins.
Furthermore, the lower end of the U-shaped metal heat-conducting plate is provided with a plurality of connecting rods, and the lower end of the U-shaped metal heat-conducting plate is connected with the bottom of the direct current power supply shell through the connecting rods.
Furthermore, the upper end and the lower end of the metal radiating fin and the U-shaped metal heat conducting plate are respectively provided with a plurality of connecting holes, positioning lock pins penetrate through the connecting holes, and the two sides of the U-shaped metal heat conducting plate and the metal radiating fin are respectively connected with the two sides of the direct current power supply shell through the positioning lock pins.
Furthermore, a plurality of grooves are formed in the metal radiating fin, the fan structures are distributed at the rear ends of the grooves in a one-to-one correspondence mode, and radiating holes are uniformly distributed at the outer sides of the grooves and communicated with the grooves.
Still further, the single group fan structure includes flabellum, motor, support, the motor passes through the support is fixed the inside rear end of slot, the flabellum with the pivot of motor is connected.
Furthermore, the power supply protection system based on the direct-current power supply further comprises a temperature detection assembly, wherein the detection assembly is a plurality of temperature sensors arranged on an internal current board of the direct-current power supply.
Furthermore, the power supply protection system based on the direct current power supply further comprises a control box, wherein the control box is arranged at the upper end inside a direct current power supply shell, and a microcontroller and a plurality of motor drivers are arranged inside the control box; the motor driver is respectively in communication connection with each motor, and the microcontroller is respectively in communication connection with each motor driver and the temperature sensor and is electrically connected with an output port on an internal current board of the direct-current power supply.
Still further, the power supply protection system based on the direct current power supply further comprises an output cutting component, the output cutting component comprises a Hall current sensor and a cutting structure, the Hall current sensor is arranged on an internal lead of an output connector of the direct current power supply and is in communication connection with the microcontroller, the cutting structure is in communication connection with the microcontroller, and the output connector of the direct current power supply is pushed out of an external cable through the cutting structure.
Still further, the cutting structure includes electric cylinder, the L shape push rod of setting on DC power supply casing inner wall, the one end of L shape push rod runs through DC power supply casing and is connected with electric cylinder's cylinder column, and the other end is located between external cable and the DC power supply output joint.
Furthermore, the external cable comprises a rubber plug seat, a wire and a metal plug column, wherein the wire is connected with the metal plug column, the rubber plug seat is wrapped at the rear end of the metal plug column, the front end of the metal plug column is inserted into an output connector of a direct current power supply during connection, and two sides of the rubber plug seat are embedded into arc grooves formed in the L-shaped push rod to form interference connection.
Compared with the prior art, the utility model has the following advantages: through the arrangement of the metal radiating fins, the U-shaped metal heat conducting plate and the fan structure, the overall strength of the direct current power supply is improved under the condition of ensuring the radiating efficiency, a good protection effect is achieved, and the power supply stability of the direct current power supply is ensured; through the setting of output cutting off the subassembly, can be when the electric current is too high in the return circuit, push out the DC power supply output joint with outside cable, realize cutting off the output, guaranteed DC power supply's safety in utilization.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a DC power supply according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a partial structure of a heat conducting component, an active heat dissipating component, and an array of heat dissipating holes according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram showing the cooperation of the output cut-off assembly and the DC power output connector according to an embodiment of the present utility model;
fig. 4 is a schematic view of a partially enlarged structure at a in fig. 1.
Detailed Description
The following describes in detail the examples of the present utility model, which are implemented on the premise of the technical solution of the present utility model, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.
As shown in fig. 1 to 4, the present embodiment provides a technical solution: a dc power supply-based power protection system, comprising: the heat conduction assembly, the active heat dissipation assembly and the array type heat dissipation hole set; the heat conduction assembly comprises a heat conduction rubber plate 31 and a U-shaped metal heat conduction plate 32, wherein the heat conduction rubber plate 31 is arranged between an internal current plate 2 of a direct current power supply and the U-shaped metal heat conduction plate 32 (with larger surface area), and is used for rapidly conducting components on the internal current plate 2 of the direct current power supply to the U-shaped metal heat conduction plate 32, the active heat dissipation assembly comprises a plurality of groups of fan structures and two metal heat dissipation fins 41, the metal heat dissipation fins 41 are respectively arranged on two outer sides of the U-shaped metal heat conduction plate 32, two side surfaces of the metal heat dissipation fins 41 are respectively clung to the outer wall of the U-shaped metal heat conduction plate 32 and the inner wall of the direct current power supply shell 1, and are used for rapidly leading out heat, the plurality of groups of fan structures are respectively symmetrically arranged at the rear end of the metal heat dissipation fins 41, air inlet windows are arranged at corresponding positions of the rear end of the direct current power supply shell 1, and the array heat dissipation holes 43 are formed in two sides of the direct current power supply shell 1 and are communicated with the inner space of the metal heat dissipation fins 41, so that heat can be rapidly dissipated.
In this embodiment, a plurality of connecting rods 33 are disposed at the lower end of the U-shaped metal heat-conducting plate 32, and the lower end of the U-shaped metal heat-conducting plate 32 is fixedly connected with the bottom of the dc power supply housing 1 through the connecting rods 33, so as to ensure the connection stability with the dc power supply housing 1.
In this embodiment, the metal heat sink 41 and the U-shaped metal heat conducting plate 32 are provided with a plurality of connection holes at the upper and lower ends, and the connection holes are provided with positioning pins 5 therethrough, and the two sides of the U-shaped metal heat conducting plate 32 and the metal heat sink 41 are fixedly connected with the two sides of the dc power supply housing 1 through the positioning pins 5. Through the arrangement of the metal radiating fins 41 and the U-shaped metal heat conducting plate 32, the overall strength of the direct-current power supply is improved and a good protection effect is achieved under the condition of ensuring the radiating efficiency.
In this embodiment, the metal heat sink 41 is provided with a plurality of grooves 411 therein, each fan structure is disposed at the rear end of the inner portion of each groove 411 in a one-to-one correspondence manner, the heat dissipation holes 43 are uniformly disposed at the outer sides of the plurality of grooves 411 and are communicated with the grooves, and the metal heat sink 41 has the characteristic of having a larger surface area, so that the heat dissipation speed can be greatly increased.
In this embodiment, the front ends of the metal heat dissipation fins 41 are closed, so that heat can be prevented from flowing back into the dc power supply housing 1, and heat can be dissipated from the heat dissipation holes 43.
In this embodiment, the single fan structure includes a fan blade 423, a motor 421, and a support 422, where the motor 421 is fixed at the rear end of the inside of the slot 411 by the support 422, the fan blade 423 is connected with a rotating shaft of the motor 421, and the motor 421 drives heat to dissipate along the slot 411.
In this embodiment, a dust-proof screen 431 is disposed inside the heat dissipating hole 43 to prevent dust.
In this embodiment, the power supply protection system based on the dc power supply further includes a temperature detection assembly, where the detection assembly is a plurality of temperature sensors 6 disposed on the internal current board 2 of the dc power supply, and is configured to detect real-time temperatures of each area on the internal current board 2 of the dc power supply.
In this embodiment, the power supply protection system based on a dc power supply further includes a control box 7, where the control box 7 is disposed at an upper end inside the dc power supply housing 1, and a Microcontroller (MUC) and a plurality of motor drivers are disposed inside the control box 7; the motor driver is respectively in communication connection with each motor 431, and the microcontroller is respectively in communication connection with the motor driver and the temperature sensor 6, and is electrically connected with an output port on the internal current board 2 of the direct current power supply, so as to control the rotation speed of each motor 431.
In this embodiment, the power supply protection system based on a dc power supply further includes an output cut-off component, where the output cut-off component includes a hall current sensor 81 and a cut-off structure, where the hall current sensor 81 is installed on an internal lead 141 of an output connector 14 of the dc power supply (the internal lead 141 is connected with an output port on an internal current board 2 of the dc power supply) and is in communication connection with the microcontroller, and is used to detect a current in an entire loop when a load is connected, and the cut-off structure is in communication connection with the microcontroller, and through the cut-off structure, an external cable connected with the load can be pushed out of the output connector 14 of the dc power supply, thereby implementing quick cut-off of the output of the dc power supply.
In this embodiment, the cutting structure includes an electric cylinder 82 disposed on an inner wall of the dc power supply housing 1, and an L-shaped push rod 83, where one end of the L-shaped push rod 83 penetrates through the dc power supply housing 1 and is connected with a cylinder column of the electric cylinder 82, so as to push out an external cable under the driving of the electric cylinder 82, to implement cutting output, and the other end is located between the external cable and the dc power supply output connector 14.
In this embodiment, the external cable includes a rubber plug 92, a wire 93, a metal plug 91, where the wire 93 is connected with the metal plug 91, the rubber plug 92 is wrapped at the rear end of the metal plug 91, and when connected, the front end of the metal plug 91 is inserted into the dc power output connector 14, and two sides of the rubber plug 92 are embedded into the arc-shaped grooves 831 formed on the L-shaped push rod 83 to form an interference connection, so as to play an auxiliary fixing role on the rubber plug 92.
In this embodiment, the dc power supply is an adjustable constant voltage dc power supply, the front end of the dc power supply housing 1 is provided with a display screen 11, a switch button 12, a voltage regulating knob 13, an output connector 14, and the rear end is provided with an input interface, an air intake window, and the like.
Working principle: when the direct-current power supply is used, the direct-current power supply input interface is connected to the input end, the output connector 14 is connected with a load through an external cable, after the temperature sensor 6 detects that the temperature value of any area on the current board 2 in the direct-current power supply exceeds a set value, the information is transmitted to the microcontroller, the microcontroller increases the rotating speed of each motor 421 through each motor driver, and then heat is rapidly dissipated through the metal radiating fins 41, the U-shaped metal heat conducting plate 32 and the like, so that the power supply stability of the direct-current power supply is ensured; meanwhile, after the hall current sensor 81 detects that the current in the loop exceeds the set value, the information is transmitted to the microcontroller, and the microcontroller controls the electric cylinder 82 to push out an external cable from the direct-current power supply output connector 14, so that the use safety of the direct-current power supply is ensured.
In summary, according to the power supply protection system based on the direct-current power supply, through the arrangement of the metal radiating fins, the U-shaped metal heat conducting plate and the fan structure, the overall strength of the direct-current power supply is improved under the condition of ensuring the radiating efficiency, a good protection effect is achieved, and the power supply stability of the direct-current power supply is ensured; through the setting of output cutting off the subassembly, can be when the electric current is too high in the return circuit, push out the DC power supply output joint with outside cable, realize cutting off the output, guaranteed DC power supply's safety in utilization.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A power supply protection system based on a dc power supply, comprising: the heat conduction assembly, the active heat dissipation assembly and the array type heat dissipation hole set; the heat conduction assembly comprises a heat conduction rubber plate and a U-shaped metal heat conduction plate, wherein the heat conduction rubber plate is arranged between an internal current plate of a direct current power supply and the U-shaped metal heat conduction plate, the active heat dissipation assembly comprises a plurality of groups of fan structures and two metal heat dissipation fins, the metal heat dissipation fins are respectively arranged on two sides of the outer part of the U-shaped metal heat conduction plate, two side surfaces of the metal heat dissipation fins are respectively clung to the outer wall of the U-shaped metal heat conduction plate and the inner wall of a direct current power supply shell, the plurality of groups of fan structures are symmetrically arranged at the rear end of the inner part of the metal heat dissipation fins, an air inlet window is arranged at the rear end of the direct current power supply shell corresponding to the position of the fan structures, and the array heat dissipation hole group comprises a plurality of heat dissipation holes which are arranged in an array, and the heat dissipation holes are formed in two sides of the direct current power supply shell and are communicated with the inner space of the metal heat dissipation fins.
2. The dc power supply-based power protection system of claim 1, wherein: the lower end of the U-shaped metal heat-conducting plate is provided with a plurality of connecting rods, and the lower end of the U-shaped metal heat-conducting plate is connected with the bottom of the direct current power supply shell through the connecting rods.
3. A power supply protection system based on a direct current power supply according to claim 2, characterized in that: the upper end and the lower end of the metal radiating fin and the U-shaped metal heat conducting plate are respectively provided with a plurality of connecting holes, positioning lock pins penetrate through the connecting holes, and the two sides of the U-shaped metal heat conducting plate and the metal radiating fin are respectively connected with the two sides of the direct current power supply shell through the positioning lock pins.
4. A dc power supply based power protection system according to claim 3, wherein: the metal radiating fin is internally provided with a plurality of grooves, each fan structure is distributed at the rear end of the inner part of each groove in a one-to-one correspondence manner, and radiating holes are uniformly distributed at the outer sides of the grooves and communicated with the grooves.
5. The dc power supply-based power protection system of claim 4, wherein: the fan structure comprises fan blades, a motor and a bracket, wherein the motor is fixed at the rear end of the inside of the groove through the bracket, and the fan blades are connected with a rotating shaft of the motor.
6. The dc power supply-based power protection system of claim 5, wherein: the power supply protection system based on the direct-current power supply further comprises a temperature detection assembly, wherein the detection assembly is a plurality of temperature sensors arranged on an internal current board of the direct-current power supply.
7. The dc power supply-based power protection system of claim 6, wherein: the power supply protection system based on the direct current power supply further comprises a control box, wherein the control box is arranged at the upper end inside a direct current power supply shell, and a microcontroller and a plurality of motor drivers are arranged inside the control box; the motor driver is respectively in communication connection with each motor, and the microcontroller is respectively in communication connection with each motor driver and the temperature sensor and is electrically connected with an output port on an internal current board of the direct-current power supply.
8. The dc power supply-based power protection system of claim 7, wherein: the power supply protection system based on the direct current power supply further comprises an output cutting-off assembly, the output cutting-off assembly comprises a Hall current sensor and a cutting-off structure, the Hall current sensor is arranged on an internal lead of an output connector of the direct current power supply and is in communication connection with the microcontroller, the cutting-off structure is in communication connection with the microcontroller, and the output connector of the direct current power supply is pushed out of an external cable through the cutting-off structure.
9. The dc power supply-based power protection system of claim 8, wherein: the cutting structure comprises an electric cylinder and an L-shaped push rod which are arranged on the inner wall of the direct current power supply shell, one end of the L-shaped push rod penetrates through the direct current power supply shell and is connected with a cylinder column of the electric cylinder, and the other end of the L-shaped push rod is positioned between an external cable and a direct current power supply output connector.
10. The dc power supply-based power protection system of claim 9, wherein: the external cable comprises a rubber plug seat, a wire and a metal plug column, wherein the wire is connected with the metal plug column, the rubber plug seat is wrapped at the rear end of the metal plug column, the front end of the metal plug column is inserted into an output connector of a direct-current power supply during connection, and two sides of the rubber plug seat are embedded into arc grooves formed in the L-shaped push rod to form interference connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649335.0U CN219513956U (en) | 2023-03-29 | 2023-03-29 | Power supply protection system based on direct current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649335.0U CN219513956U (en) | 2023-03-29 | 2023-03-29 | Power supply protection system based on direct current power supply |
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| Publication Number | Publication Date |
|---|---|
| CN219513956U true CN219513956U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320649335.0U Active CN219513956U (en) | 2023-03-29 | 2023-03-29 | Power supply protection system based on direct current power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219513956U (en) |
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2023
- 2023-03-29 CN CN202320649335.0U patent/CN219513956U/en active Active
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