CN212628777U

CN212628777U - Power supply driver

Info

Publication number: CN212628777U
Application number: CN202021498866.7U
Authority: CN
Inventors: 张海滨; 杜少俊; 郭长水; 常明亮
Original assignee: Shenzhen Megmeet Electrical Co Ltd
Current assignee: Shenzhen Megmeet Electrical Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-26
Anticipated expiration: 2030-07-24

Abstract

The embodiment of the utility model relates to the technical field of power supply, in particular to a power supply driver, which comprises a shell, a power supply and a power supply control device, wherein the shell is provided with an accommodating cavity and a mounting hole communicated with the accommodating cavity; the driving circuit board is arranged in the accommodating cavity; the wall-penetrating terminal comprises a terminal seat and a wiring terminal, the wiring terminal penetrates through the terminal seat, the terminal seat is fixed at the mounting hole, one end of the wiring terminal is positioned in the accommodating cavity, the other end of the wiring terminal is exposed out of the shell, one end of the wiring terminal positioned in the accommodating cavity is connected with the driving circuit board, and one side of the terminal seat, which is in contact with the shell, is provided with a sealing groove surrounding the wiring terminal; the sealing rubber ring is accommodated in the sealing groove, part of the sealing rubber ring protrudes out of the sealing groove, and the part of the sealing rubber ring protruding out of the sealing groove is abutted to the shell. Through binding post and outside wire rod wiring, it is very convenient, in addition, be provided with sealed rubber ring between casing and the through-wall terminal, only can realize the sealed of through-wall terminal and casing through sealed rubber ring, user experience is good.

Description

Power supply driver

Technical Field

The embodiment of the utility model provides a relate to power technical field, especially relate to a power driver.

Background

The closed oil-cooled power supply has the excellent characteristics of dust resistance, high stability and the like, and has more and more advantages in the power supply market. A circuit board is arranged in the closed oil-cooled power supply, and wires need to be led out from the circuit board for subsequent use under normal conditions.

The utility model discloses an inventor is realizing the utility model discloses an in-process discovers: at present, a closed oil-cooled power supply is formed by arranging a wire outlet on a power supply shell and then leading out wires from the wire outlet. The wire rod is drawn out from the outlet, on the one hand, need use metal waterproof joint and sealed gluey sealed outlet, this problem that just has metal waterproof joint encapsulating technology difficulty, and on the other hand inevitable can pull out the wire rod when working a telephone switchboard to the wire rod, takes away the coolant oil in the power to cause the inside coolant oil of power to reveal, long this past, the inside device of power will not obtain good heat dissipation and then become invalid, and user experience is not good.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a power driver that overcomes or at least partially solves the above-mentioned problems.

According to an aspect of the embodiments of the present invention, there is provided a power driver, including: the shell is provided with an accommodating cavity and a mounting hole communicated with the accommodating cavity; the driving circuit board is arranged in the accommodating cavity; the wall-through terminal comprises a terminal block and a wiring terminal, the wiring terminal penetrates through the terminal block, the terminal block is fixed at the mounting hole, one end of the wiring terminal is positioned in the accommodating cavity, the other end of the wiring terminal is exposed out of the shell, one end of the wiring terminal, which is positioned in the accommodating cavity, is connected with the driving circuit board, and one side of the terminal block, which is in contact with the shell, is provided with a sealing groove surrounding the wiring terminal; the sealing rubber ring is contained in the sealing groove, part of the sealing rubber ring protrudes out of the sealing groove, and the part of the sealing rubber ring protruding out of the sealing groove is abutted to the shell.

In an optional mode, the terminal block is provided with an input terminal hole, an output terminal hole and a communication terminal hole which are communicated with the accommodating cavity; binding post includes input terminal, output terminal and communication terminal, input terminal set up in the input terminal hole, output terminal set up in the output terminal hole, communication terminal set up in the communication terminal hole, the one end of input terminal, output terminal's one end and the one end of communication terminal are located accept the chamber, the one end of input terminal's one end, output terminal's one end and the one end of communication terminal all with drive the circuit board and connect, the other end of input terminal, the other end of output terminal and the other end of communication terminal expose in outside the casing, the other end of input terminal is used for connecting the input line, the other end of output terminal is used for connecting the output line, the other end of communication terminal is used for connecting the communication terminal socket.

In an alternative form, the input terminal includes a first nut, a first spacer, and a first flow post; the first flow guiding column is fixed to the input terminal hole, one end of the first flow guiding column extends into the accommodating cavity, a first flow guiding hole is formed in one end of the first flow guiding column, the first flow guiding hole is connected with the driving circuit board, the other end of the first flow guiding column extends out of the shell, a first fixing plate extends out of the other end of the first flow guiding column, a first screw hole is formed in the first fixing plate, and the first nut penetrates through the first gasket and is screwed to the first screw hole of the first fixing plate; the first pad and the first fixing plate are used for fixing the input line.

In an alternative mode, the output terminal comprises a second nut, a second gasket and a second diversion column; the second flow guiding column is fixed to the output terminal hole, one end of the second flow guiding column extends into the accommodating cavity, a second flow guiding hole is formed in one end of the second flow guiding column, the second flow guiding hole is connected with the driving circuit board, the other end of the second flow guiding column extends out of the shell, a second fixing plate extends out of the other end of the second flow guiding column, a second screw hole is formed in the second fixing plate, and the second nut penetrates through the second gasket and is in threaded connection with the second screw hole of the second fixing plate; the second gasket is used for fixing the output line with the second fixing plate.

In an optional mode, one end of the communication terminal, which is located in the accommodating cavity, is provided with a third diversion hole, and the third diversion hole is connected with the driving circuit board.

In an optional mode, the power driver further includes a flip, one end of the flip is rotatably connected to one side of the terminal base, and the other end of the flip is used for being clamped to the other side of the terminal base, so that the flip covers the input terminal and the output terminal.

In an optional mode, be provided with the intercommunication on the casing accept the pressure release hole in chamber, power driver still includes the relief valve, the relief valve set up in the pressure release hole.

In an optional mode, the power driver further includes a detection circuit and an alarm device, the alarm device is fixed to the housing, the detection circuit is integrated with the driving circuit board, the detection circuit is connected with the alarm device, and when the detection circuit detects that the driving circuit board has a fault, the alarm device is controlled to alarm.

In an optional mode, the power driver further includes a stud, a thread groove is formed in one side of the terminal base, which is in contact with the casing, the casing is provided with a screw hole, and the stud penetrates through the screw hole and is screwed in the thread groove to fix the terminal base on the casing.

The embodiment of the utility model provides a beneficial effect is: there is provided a power supply driver including: casing, drive circuit board, wall-penetrating terminal and sealed rubber ring. The drive circuit board is accommodated in the shell. The wall-through terminal comprises a terminal seat and a wiring terminal, the terminal seat is arranged on the shell, the wiring terminal penetrates through the terminal seat, one end of the wiring terminal is located in the shell, and the other end of the wiring terminal is exposed out of the shell. One end of the wiring terminal in the shell is connected with the driving circuit board. One end of the sealing rubber ring is abutted to the shell, and the other end of the sealing rubber ring is abutted to the terminal base. The wall-through terminal is arranged on the shell, the connecting terminal connected with the driving circuit board is arranged on the wall-through terminal, wiring between the connecting terminal and an external wire is very convenient, in addition, a sealing rubber ring is arranged between the shell and the wall-through terminal, sealing between the wall-through terminal and the shell can be realized only through the sealing rubber ring, and user experience is good.

Drawings

Fig. 1 is a schematic perspective view of a power driver provided in an embodiment of the present invention;

fig. 2 is a schematic view of a wall terminal and a sealing rubber ring provided by an embodiment of the present invention;

fig. 3 is an exploded schematic view of a power driver provided by an embodiment of the present invention;

fig. 4 is a schematic view of a connection terminal provided in an embodiment of the present invention;

fig. 5 is a schematic diagram of a pressure relief valve provided in an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the power driver 100 includes: the device comprises a shell 10, a drive circuit board (not shown), a wall-through terminal 20, a sealing rubber ring 30, a flip cover 40, a pressure relief valve 50, a detection circuit (not shown), an alarm device 60 and a stud 70. The drive circuit board is accommodated in the housing 10. The through-wall terminal 20 includes a terminal block 201 and a connection terminal 202, the terminal block 201 is disposed in the casing 10, the connection terminal 202 penetrates through the terminal block 201, one end of the connection terminal 202 is located in the casing 10, and the other end of the connection terminal 202 is exposed outside the casing 10. One end of the wiring terminal 202 located in the housing 10 is connected to the driving circuit board. One end of the seal rubber ring 30 abuts against the housing 10, and the other end of the seal rubber ring 30 abuts against the terminal base 201. The flip cover 40 is used to cover the through-wall terminal 20. The pressure relief valve 50 is arranged in the casing 10, when the pressure of the casing 10 is greater than the external air pressure, the pressure relief valve 50 is opened, and the pressure relief valve 50 conducts the casing 10 with the outside. The detection circuit is integrated in the driving circuit board, the alarm device 60 is fixed on the wall-through terminal 20, the detection circuit is connected with the alarm device 60, and when the detection circuit detects that the driving circuit board has a fault, the alarm device 60 is controlled to give an alarm. The stud 70 is used to fix the through-wall terminal 20 to the housing 10. The wall-through terminal 20 is arranged on the shell 10, the wall-through terminal 20 is provided with the wiring terminal 202 connected with the driving circuit board, and the wiring terminal 202 and an external wire are connected conveniently.

Referring to fig. 3, the housing 10 is provided with an accommodating cavity 101, and a mounting hole 102, a pressure relief hole 103 and a screw hole 104 communicating with the accommodating cavity 101, where the mounting hole 102 is used for placing the wall-through terminal 20, the screw hole 104 is used for screwing with the stud 70, and the pressure relief hole 103 is used for placing the pressure relief valve 50. The driving circuit board is arranged in the accommodating cavity 101.

Referring to fig. 3, the through-wall terminal 20 includes a terminal block 201 and a terminal block 202. The wire connecting terminal 202 penetrates through the terminal block 201, and the terminal block 201 is fixed at the mounting hole 102. One end of the wiring terminal 202 is located in the accommodating cavity 101, one end of the wiring terminal 202 located in the accommodating cavity 101 is connected to the driving circuit board, and the other end of the wiring terminal 202 is exposed out of the casing 10.

Referring to fig. 2, the terminal block 201 is provided with an input terminal hole 2011, an output terminal hole 2012 and a communication terminal hole 2013, which are communicated with the accommodating cavity 101, wherein the input terminal hole 2011 is used for plugging an input terminal 2021, the output terminal hole 2012 is used for plugging an output terminal 2022, and the communication terminal hole 2013 is used for plugging a communication terminal 2023. Further, a sealing groove 2014 surrounding the connection terminal 202 is disposed on a side of the terminal block 201 contacting the housing 10, and the sealing groove 2014 is used for accommodating the sealing rubber ring 30. Further, one side of the terminal base 201 contacting the housing 10 is provided with a screw groove 2015, and the screw groove 2015 is used for screwing the stud 70.

Referring to fig. 4, the connection terminal 202 includes an input terminal 2021, an output terminal 2022 and a communication terminal 2023, the input terminal 2021 is disposed in the input terminal hole 2011, the output terminal 2022 is disposed in the output terminal hole 2012, the communication terminal 2023 is disposed in the communication terminal hole 2013, one end of the input terminal 2021, one end of the output terminal 2022 and one end of the communication terminal 2023 are disposed in the accommodating cavity 101, one end of the input terminal 2021, one end of the output terminal 2022 and one end of the communication terminal 2023 are connected to the driving circuit board, the other end of the input terminal 2021, the other end of the output terminal 2022, and the other end of the communication terminal 2023 are exposed outside the housing 10, the other end of the input terminal 2021 is used for connecting an input line, the other end of the output terminal 2022 is used for connecting an output line, and the other end of the communication terminal 2023 is used for connecting a socket of the communication terminal 2023.

It should be noted that the input terminal 2021 and the input terminal hole 2011 are in interference fit, so that the input terminal 2021 and the input terminal hole 2011 are sealed. The output terminal 2022 is in interference fit with the output terminal hole 2012, so that the output terminal 2022 and the output terminal hole 2012 are sealed. The communication terminal 2023 is in interference fit with the communication terminal hole 2013, so that the communication terminal 2023 and the communication terminal hole 2013 are sealed.

In some embodiments, the input terminal 2021 includes a first nut (not labeled), a first washer (not labeled), and a first flow post (not labeled). The first flow guide column is fixed to the input terminal hole 2011, and one end of the first flow guide column extends to in accommodating the chamber 101, one end of the first flow guide column is provided with a first flow guide hole (not marked), the first flow guide hole with the drive circuit board is connected, the other end of the first flow guide column extends to outside the casing 10, and the other end of the first flow guide column extends to have a first fixing plate (not marked), the first fixing plate is provided with a first screw hole 104, the first nut passes the first gasket spiro union in the first screw hole 104 of the first fixing plate. The first pad and the first fixing plate are used for fixing the input line.

In some embodiments, the output terminal 2022 includes a second nut 2022a, a second washer 2022b, and a second flow post 2022 c. The second guiding column 2022c is fixed to the output terminal hole 2012, and one end of the second guiding column 2022c extends into the accommodating cavity 101, one end of the second guiding column 2022c is provided with a second guiding hole 2022d, the second guiding hole 2022d is connected to the driving circuit board, the other end of the second guiding column 2022c extends to the outside of the casing 10, and the other end of the second guiding column 2022c extends to a second fixing plate 2022e, the second fixing plate 2022e is provided with a second screw hole 104, and the second nut 2022a passes through the second gasket 2022b and is screwed to the second screw hole 104 of the second fixing plate 2022 e. The second pad 2022b and the second fixing plate 2022e are used to fix the output line therebetween.

In some embodiments, a third guiding hole (not shown) is disposed at an end of the communication terminal 2023 located in the accommodating cavity 101, and the third guiding hole is connected to the driving circuit board.

Referring to fig. 2, the seal rubber ring 30 is accommodated in the seal groove 2014, a portion of the seal rubber ring 30 protrudes out of the seal groove 2014, and a portion of the seal rubber ring 30 protruding out of the seal groove 2014 abuts against the housing 10.

Referring to fig. 3, one end of the flip 40 is rotatably connected to one side of the terminal base 201, and the other end of the flip 40 is used for being clamped to the other side of the terminal base 201, so that the flip 40 covers the input terminal 2021 and the output terminal 2022. The distance between one surface of the flip cover 40, which is opposite to the wiring terminal 202, and the through-wall terminal 20 is not less than 20mm, and the thickness of the flip cover 40 is not less than 2mm, so that the safety standard is met. By arranging the flip cover 40, on one hand, the wiring terminal 202 can be protected from being polluted, and on the other hand, a dangerous accident caused by the fact that a user accidentally touches the through-wall terminal 20 can be prevented. In some embodiments, the other end of the flip cover 40, which is clamped with the terminal base 201, is provided with a wiring port 40, and the wiring port 401 is used for conveniently leading out the input line and the output line. It should be noted that the longitudinal height of the wire connection port 401 is smaller than the thickness of the adult finger.

For the above-mentioned relief valve 50, in some embodiments, referring to fig. 5, the relief valve 50 includes a valve body 501, a valve core 502, an elastic member 503, and a sealing ring 504. The valve body 501 is provided with a through hole 5011, the spool 502 is provided to the through hole 5011, and the spool 502 is movable relative to the valve body 501 in the longitudinal direction of the through hole 5011. One end of the valve core 502 extends with an abutting part 505 surrounding the valve core 502, and the sealing ring 504 is sleeved on the valve core 502 and abutted against the abutting part 505. One end of the elastic member 503 is fixed to the other end of the valve body 502. The other end of the elastic member 503 is fixed to the inner wall of the valve body 501. An air release channel 5021 is arranged in the valve core 502, wherein a port at one end of the air release channel 5021 is located at a port at the other end of the valve core 502, and a port at the other end of the air release channel 5021 is located on the side wall of one end, close to the abutting portion 505, of the valve core 502. The valve body 501 is fixed at the pressure relief hole 103, and one end of the air release channel 5021 is communicated with the accommodating cavity 101. When the air pressure in the accommodating cavity 101 is greater than the external air pressure, the air in the accommodating cavity 101 pushes the valve element 502 to move towards the direction away from the accommodating cavity 101, and the air leakage channel 5021 conducts the accommodating cavity 101 with the outside. When the gas in the receiving cavity 101 pushes the valve element 502 to move in a direction away from the receiving cavity 101, the elastic member 503 is compressed, so as to prevent the gas in the receiving cavity 101 from pushing the valve element 502 out of the through hole 5011, and thus the valve element 502 cannot be reset to the through hole 5011 when the gas pressure in the receiving cavity 101 is less than or equal to the external gas pressure. When the air pressure in the accommodating cavity 101 is smaller than or equal to the external air pressure, the elastic member 503 recovers the elastic deformation, so that the abutting portion 505 and the valve body 501 clamp the sealing ring 504, thereby closing the air release channel 5021.

It should be noted that the relief valve 50 is not limited to the above structure, and may also have other structures, which are not described in detail herein.

For the above detection circuit and alarm device 60, the alarm device 60 is fixed to the wall-through terminal 20, the detection circuit is integrated with the driving circuit board, the detection circuit is used for being connected with a load, the detection circuit is connected with the alarm device, and when the detection circuit detects that the driving circuit board or the load has a fault, the alarm device 60 is controlled to alarm.

It should be noted that, in some embodiments, the driving circuit board is integrated with a liquid level detection device (not shown), when the liquid in the receiving cavity 101 is lower than a preset liquid level, the power driver 100 stops working, and the alarm device 60 gives an alarm.

It should be noted that in some embodiments, the alarm device 60 is an LED indicator.

In the stud 70, the stud 70 is screwed into the screw groove 2015 through the screw hole 104, so as to fix the terminal base 201 to the housing 10. It should be noted that the number of the studs 70, the screw holes 104, and the screw grooves 2015 is plural and one-to-one, and the screw grooves 2015 are uniformly distributed on the terminal base 201.

The embodiment of the present invention provides an embodiment, through set up through-wall terminal 20 on power driver 100's the casing 10, be provided with the connection on the through-wall terminal 20 drive the binding post 202 of circuit board, through binding post 202 and outside wire rod wiring, it is very convenient, in addition, be provided with sealed rubber ring 30 between casing 10 and the through-wall terminal 20, only can realize through sealed rubber ring 30 through the sealing of penetrating through-wall terminal 20 and casing 10, user experience is good.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. A power driver, comprising:

the shell is provided with an accommodating cavity and a mounting hole communicated with the accommodating cavity;

the driving circuit board is arranged in the accommodating cavity;

the wall-through terminal comprises a terminal block and a wiring terminal, the wiring terminal penetrates through the terminal block, the terminal block is fixed at the mounting hole, one end of the wiring terminal is positioned in the accommodating cavity, the other end of the wiring terminal is exposed out of the shell, one end of the wiring terminal, which is positioned in the accommodating cavity, is connected with the driving circuit board, and one side of the terminal block, which is in contact with the shell, is provided with a sealing groove surrounding the wiring terminal;

the sealing rubber ring is contained in the sealing groove, part of the sealing rubber ring protrudes out of the sealing groove, and the part of the sealing rubber ring protruding out of the sealing groove is abutted to the shell.

2. The power driver of claim 1,

the terminal block is provided with an input terminal hole, an output terminal hole and a communication terminal hole which are communicated with the accommodating cavity;

binding post includes input terminal, output terminal and communication terminal, input terminal set up in the input terminal hole, output terminal set up in the output terminal hole, communication terminal set up in the communication terminal hole, the one end of input terminal, output terminal's one end and the one end of communication terminal are located accept the chamber, the one end of input terminal's one end, output terminal's one end and the one end of communication terminal all with drive the circuit board and connect, the other end of input terminal, the other end of output terminal and the other end of communication terminal expose in outside the casing, the other end of input terminal is used for connecting the input line, the other end of output terminal is used for connecting the output line, the other end of communication terminal is used for connecting the communication terminal socket.

3. The power driver of claim 2,

the input terminal comprises a first nut, a first gasket and a first flow guide column;

the first flow guiding column is fixed to the input terminal hole, one end of the first flow guiding column extends into the accommodating cavity, a first flow guiding hole is formed in one end of the first flow guiding column, the first flow guiding hole is connected with the driving circuit board, the other end of the first flow guiding column extends out of the shell, a first fixing plate extends out of the other end of the first flow guiding column, a first screw hole is formed in the first fixing plate, and the first nut penetrates through the first gasket and is screwed to the first screw hole of the first fixing plate;

the first pad and the first fixing plate are used for fixing the input line.

4. The power driver of claim 2,

the output terminal comprises a second nut, a second gasket and a second flow guiding column;

the second flow guiding column is fixed to the output terminal hole, one end of the second flow guiding column extends into the accommodating cavity, a second flow guiding hole is formed in one end of the second flow guiding column, the second flow guiding hole is connected with the driving circuit board, the other end of the second flow guiding column extends out of the shell, a second fixing plate extends out of the other end of the second flow guiding column, a second screw hole is formed in the second fixing plate, and the second nut penetrates through the second gasket and is in threaded connection with the second screw hole of the second fixing plate;

the second gasket is used for fixing the output line with the second fixing plate.

5. The power driver as claimed in claim 2, wherein a third guiding hole is disposed at an end of the communication terminal located in the receiving cavity, and the third guiding hole is connected to the driving circuit board.

6. The power driver as claimed in claim 2, further comprising a flip cover, wherein one end of the flip cover is rotatably connected to one side of the terminal base, and the other end of the flip cover is used for being clamped to the other side of the terminal base, so that the flip cover covers the input terminal and the output terminal.

7. The power driver of claim 1, wherein the housing is provided with a pressure relief hole communicating with the accommodating cavity, and the power driver further comprises a pressure relief valve disposed in the pressure relief hole.

8. The power driver according to claim 1, further comprising a detection circuit and an alarm device, wherein the alarm device is fixed to the through-wall terminal, the detection circuit is integrated with the driving circuit board, the detection circuit is connected to the alarm device, and the alarm device is controlled to alarm when the detection circuit detects that the driving circuit board has a fault.

9. The power driver of claim 1, further comprising a stud, wherein a groove is formed on a side of the terminal base contacting the housing, the housing is provided with a screw hole, and the stud passes through the screw hole and is screwed into the groove to fix the terminal base to the housing.