CN215600860U

CN215600860U - Protection device for commercial power direct-current power supply

Info

Publication number: CN215600860U
Application number: CN202122141731.6U
Authority: CN
Inventors: 钟能森
Original assignee: Shenzhen Hitilin Electronics Co ltd
Current assignee: Shenzhen Hitilin Electronics Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-21
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the technical field of direct current power supplies, and discloses a protection device for a mains supply direct current power supply. This protection device for commercial power DC power supply, the bottom through DC power supply's power supply module mounting panel sets up buffer spring, can play the guard action to power supply module, when DC power supply received vibrations, the meeting of its mounting panel is along spout downstream, make buffer spring receive pressure and produce buffering elasticity, thereby reduce the vibration range of mounting panel, and then play the guard action to the power supply module of mounting panel upper surface, avoid DC power supply to appear the phenomenon of damaging because of receiving vibrations, the setting of the installing port and the radiating fin of seting up on its mounting panel can improve DC power supply's radiating efficiency simultaneously, avoid appearing the power supply module bottom and be difficult to radiating phenomenon, the stability of DC power supply during operation has been improved.

Description

Protection device for commercial power direct-current power supply

Technical Field

The utility model relates to the technical field of direct current power supplies, in particular to a protection device for a commercial direct current power supply.

Background

The wind-solar complementary power supply system mainly comprises a wind generating set, a solar photovoltaic battery pack, a controller, a storage battery, an inverter, an alternating current and direct current load and the like, is a composite renewable energy power generation system integrating multiple energy power generation technologies such as wind energy, solar energy, storage battery and the like and a system intelligent control technology, and is characterized in that a direct current power supply is provided with a positive electrode and a negative electrode, the positive electrode is high in potential, the negative electrode is low in potential, and when the two electrodes are communicated with a circuit, a constant potential difference can be maintained between the two ends of the circuit, so that 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 to supply a circuit to maintain a steady flow of current, which is a device that maintains a steady voltage and current in the circuit.

The protection nature of present current DC power supply is relatively poor, only protects inside power supply module through its shell, and its DC power supply receives vibrations influence easily at the in-process that removes and transport, leads to its inside power supply module to damage.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a protection device for a commercial power dc power supply, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a protection device for a mains supply direct-current power supply comprises a case, a protection mechanism and a base, wherein the protection mechanism is arranged inside the case, and the base is fixedly installed at the bottom of the case.

Protection mechanism includes mounting panel, installing port, the installing port is seted up in the upper surface of mounting panel, the inside fixed mounting of installing port has radiating fin, first recess has been seted up to the bottom of mounting panel, the inside fixed mounting of first recess has buffer spring.

Preferably, the second groove is formed in the bottom wall of the inner portion of the case, the buffer spring is fixedly installed in the second groove, and the second groove can limit the buffer spring.

Preferably, the inner wall of the case is provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding manner, the sliding block is fixedly arranged on the left wall of the mounting plate, and the sliding groove and the sliding block are arranged to limit the mounting plate.

Preferably, the number of the sliding grooves is two, the two sliding grooves are respectively arranged on the left wall and the right wall of the case, and the mounting plate can be conveniently moved up and down due to the arrangement of the sliding grooves.

Preferably, the inner wall of the case is fixedly provided with a limiting block, the bottom of the limiting block is bonded with a sponge pad, the left side of the upper surface of the base is provided with a fastening hole, and the base can be conveniently and fixedly mounted through the fastening hole.

Preferably, the rear wall of the chassis is provided with a first heat dissipation opening, a first metal protection net is fixedly mounted inside the first heat dissipation opening, and the first metal protection net is arranged to prevent foreign matters from entering the interior of the chassis.

Preferably, a second heat dissipation port is formed in the left wall of the interior of the case, a second metal protection net is fixedly mounted inside the second heat dissipation port, and the second metal protection net is arranged to prevent foreign matters from entering the interior of the case through the second heat dissipation port.

Preferably, the upper surface of the case is fixedly provided with a top cover, the rear wall of the case is provided with a mounting hole, the inside of the mounting hole is fixedly provided with a fixing frame, the inside of the fixing frame is fixedly provided with a cooling fan, the front of the case is provided with a butt joint, and the cooling fan can cool a direct-current power supply mounted on the mounting plate.

Preferably, the upper surface of the mounting plate is fixedly provided with a power supply assembly, the power supply assembly consists of a rechargeable storage battery, a charging module, a dual-power switching module, an isolation relay, a high-power load, a voltage signal acquisition unit and a time relay, the power supply assembly is powered by a main power supply during normal operation and charges the storage battery at the same time, when the main power supply fails, the dual-power switching module immediately switches to a standby power supply and simultaneously cuts off the main power supply to prevent reverse power transmission, the storage battery provides a protection device power supply and a circuit breaker control power supply to perform correct and complete actions at least once and normally operates minute electric quantity after the device acts, the device is used for recording and uploading a device action report, the device provides a periodic automatic and manual battery capacity testing function during normal operation, an alarm node is provided if the capacity is unqualified, the front surface of the case is fixedly provided with an LED panel, the setting of its LED panel can show current main power supply, stand-by power supply charged state, and when the main power supply lacked, stand-by power supply work pilot lamp was bright.

Compared with the prior art, the utility model provides a protection device for a commercial power direct-current power supply. The method has the following beneficial effects:

this protection device for commercial power DC power supply, the bottom through DC power supply's power supply module mounting panel sets up buffer spring, can play the guard action to power supply module, when DC power supply received vibrations, the meeting of its mounting panel is along spout downstream, make buffer spring receive pressure and produce buffering elasticity, thereby reduce the vibration range of mounting panel, and then play the guard action to the power supply module of mounting panel upper surface, avoid DC power supply to appear the phenomenon of damaging because of receiving vibrations, the setting of the installing port and the radiating fin of seting up on its mounting panel can improve DC power supply's radiating efficiency simultaneously, avoid appearing the power supply module bottom and be difficult to radiating phenomenon, the stability of DC power supply during operation has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the protection mechanism of the present invention;

FIG. 4 is a schematic cross-sectional view of a second heat sink according to the present invention.

In the figure: 1. a chassis; 2. a protection mechanism; 201. mounting a plate; 202. an installation port; 203. a heat dissipating fin; 204. a first groove; 205. a buffer spring; 206. a second groove; 3. a chute; 4. a slider; 5. a limiting block; 6. a sponge cushion; 7. a butt joint port; 8. a base; 9. a top cover; 10. a fixed mount; 11. a heat radiation fan; 12. a first heat dissipation port; 13. a first metal protection net; 14. a second metal protective net; 15. a fastening hole; 16. a second heat dissipation port; 17. a power supply component; 18. an LED panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a protection device for a commercial power direct-current power supply comprises a case 1, a protection mechanism 2 and a base 8, wherein the protection mechanism 2 is arranged inside the case 1, and the base 8 is fixedly installed at the bottom of the case 1.

The protection mechanism 2 comprises a mounting plate 201 and a mounting port 202, the mounting port 202 is arranged on the upper surface of the mounting plate 201, a radiating fin 203 is fixedly mounted inside the mounting port 202, a first groove 204 is formed in the bottom of the mounting plate 201, and a buffer spring 205 is fixedly mounted inside the first groove 204.

The bottom wall of the inner part of the case 1 is provided with a second groove 206, the buffer spring 205 is fixedly arranged in the second groove 206, the arrangement of the second groove 206 can limit the buffer spring 205, the inner wall of the case 1 is provided with two sliding grooves 3, the sliding grooves 3 are connected with a sliding block 4 in a sliding manner, the sliding block 4 is fixedly arranged on the left wall of the mounting plate 201, the arrangement of the sliding grooves 3 and the sliding block 4 can limit the mounting plate 201, the two sliding grooves 3 are respectively arranged on the left wall and the right wall of the inner part of the case 1, the arrangement of the sliding grooves 3 can facilitate the up-and-down movement of the mounting plate 201, the inner wall of the case 1 is fixedly provided with a limiting block 5, the bottom of the limiting block 5 is bonded with a sponge cushion 6, the left side of the upper surface of the base 8 is provided with a fastening hole 15, the arrangement of the fastening hole 15 can facilitate the fixed mounting of the base 8, the rear wall of the case 1 is provided with a first heat dissipation port 12, a first metal protection net 13 is fixedly installed inside the first heat dissipation port 12, the first metal protection net 13 is arranged to prevent foreign matters from entering the inside of the case 1, a second heat dissipation port 16 is formed in the left wall of the inside of the case 1, a second metal protection net 14 is fixedly installed inside the second heat dissipation port 16, the second metal protection net 14 is arranged to prevent foreign matters from entering the inside of the case 1 from the second heat dissipation port 16, a top cover 9 is fixedly installed on the upper surface of the case 1, a mounting hole is formed in the rear wall of the case 1, a fixing frame 10 is fixedly installed inside the mounting hole, a heat dissipation fan 11 is fixedly installed inside the fixing frame 10, a butt joint 7 is arranged on the front surface of the case 1, the heat dissipation fan 11 is arranged to dissipate heat of a direct-current power supply installed on the mounting plate 201, a power supply assembly 17 is fixedly installed on the upper surface of the mounting plate 201, and the power supply assembly 17 is composed of a rechargeable storage battery, The device comprises a charging module, a dual power supply switching module, an isolation relay, a high-power load, a voltage signal acquisition unit and a time relay, wherein the charging module supplies power to a main power supply and charges a storage battery when in normal operation, when the main power supply fails, the dual power supply switching module immediately switches to a standby power supply and cuts off the main power supply to prevent reverse power transmission, the storage battery provides a protection device power supply and a breaker control power supply to perform correct and complete actions at least once, and the device normally operates for 10 minutes after the action and is used for recording and uploading a device action report, the device provides a periodic automatic and manual battery capacity testing function when in normal operation, an alarm node is provided when the capacity is unqualified, an LED panel 18 is fixedly arranged on the front surface of a case 1, the LED panel 18 can display the charging state of the current main power supply and the standby power supply, and a standby power supply working indicator lamp is on when the main power supply is lacked, the bottom of power supply module 17 mounting panel 201 through DC power supply sets up buffer spring 20, can play the guard action to power supply module 17, when DC power supply received vibrations, the meeting of its mounting panel 201 was along 3 downstream in spout, make buffer spring 205 receive pressure production buffering elasticity, thereby reduce mounting panel 201's vibration range, and then power supply module 17 to the mounting panel 201 upper surface plays the guard action, avoid DC power supply to appear the phenomenon of damage because of receiving vibrations, the setting of installing port 202 and radiating fin 203 of seting up on its mounting panel 201 can improve DC power supply's radiating efficiency simultaneously, avoid appearing power supply module 17 bottom and be difficult to radiating phenomenon, DC power supply during operation's stability has been improved.

In the actual operation process, when this device uses, the bottom through power supply module 17 mounting panel 201 of DC power supply sets up buffer spring 20, can play the guard action to power supply module 17, when DC power supply receives vibrations, the meeting of its mounting panel 201 is along spout 3 downstream, make buffer spring 205 receive pressure and produce buffering elasticity, thereby reduce the vibration range of mounting panel 201, and then play the guard action to power supply module 17 of mounting panel 201 upper surface, avoid DC power supply to appear the phenomenon of damaging because of receiving vibrations, the setting of installing port 202 and radiating fin 203 of seting up on its mounting panel 201 simultaneously can improve DC power supply's radiating efficiency, avoid appearing the difficult radiating phenomenon in the bottom of power supply module 17, the stability when DC power supply works has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a commercial power is protection device for DC power supply, includes quick-witted case (1), protection machanism (2) and base (8), its characterized in that: the protection mechanism (2) is arranged inside the case (1), and the base (8) is fixedly arranged at the bottom of the case (1);

protection machanism (2) are including mounting panel (201), installing port (202), the upper surface of mounting panel (201) is seted up in installing port (202), the inside fixed mounting of installing port (202) has radiating fin (203), first recess (204) have been seted up to the bottom of mounting panel (201), the inside fixed mounting of first recess (204) has buffer spring (205).

2. A protection device according to claim 1, wherein: a second groove (206) is formed in the bottom wall of the inner portion of the case (1), and the buffer spring (205) is fixedly installed in the second groove (206).

3. A protection device according to claim 1, wherein: the inner wall of the case (1) is provided with a sliding groove (3), the sliding groove (3) is connected with a sliding block (4) in a sliding mode, and the sliding block (4) is fixedly installed on the left wall of the installing plate (201).

4. A protection device according to claim 3, wherein: the number of the sliding grooves (3) is two, and the two sliding grooves (3) are respectively arranged on the left wall and the right wall of the interior of the case (1).

5. A protection device according to claim 1, wherein: the novel cabinet is characterized in that a limiting block (5) is fixedly mounted on the inner wall of the cabinet (1), a sponge cushion (6) is bonded to the bottom of the limiting block (5), and a fastening hole (15) is formed in the left side of the upper surface of the base (8).

6. A protection device according to claim 1, wherein: a first heat dissipation opening (12) is formed in the rear wall of the case (1), and a first metal protective net (13) is fixedly mounted inside the first heat dissipation opening (12).

7. A protection device according to claim 1, wherein: a second heat dissipation opening (16) is formed in the left wall of the interior of the case (1), and a second metal protective net (14) is fixedly mounted inside the second heat dissipation opening (16).

8. A protection device according to claim 1, wherein: the upper surface fixed mounting of machine case (1) has top cap (9), the mounting hole has been seted up to the back wall of machine case (1), the inside fixed mounting of mounting hole has mount (10), the inside fixed mounting of mount (10) has radiator fan (11), the front of machine case (1) is provided with interface (7).

9. A protection device according to claim 1, wherein: the upper surface fixed mounting of mounting panel (201) has power supply module (17), power supply module (17) comprises rechargeable battery, the module of charging, dual supply switching module, isolation relay, high-power load, voltage signal acquisition unit and time relay, the front fixed mounting of quick-witted case (1) has LED panel (18).