CN218351799U

CN218351799U - Heavy current AC constant current source

Info

Publication number: CN218351799U
Application number: CN202222036376.0U
Authority: CN
Inventors: 李明仕; 李志明
Original assignee: Wuhan Aidejie Electronic Co ltd
Current assignee: Wuhan Aidejie Electronic Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-20
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a heavy current exchanges constant current source, which comprises a housing, chassis bottom's central point puts the department and is equipped with output unit, output unit installs the rectification unit in the chassis bottom of one side, output unit keeps away from the chassis bottom of rectification unit one side and installs the conversion unit, install the control unit on the inner wall of the casing of output unit top, the cover is installed on the top of casing, the display screen is installed to one side of casing surface, the housing surface of display screen one side is equipped with the wiring port, the both sides of wiring port all are equipped with the baffle, the housing surface at baffle both ends all is equipped with the sliding frame, one side inside the sliding frame is equipped with the slider, the one end of slider extend to the outside of sliding frame and with the one end fixed connection of baffle. The utility model discloses not only reduced wiring port contact dust material and produced contact failure's damage phenomenon, still prolonged the life of exchanging the constant current source, improved the convenience when exchanging the constant current source and maintaining moreover.

Description

Heavy current AC constant current source

Technical Field

The utility model relates to an exchange constant current source technical field specifically is a heavy current exchanges constant current source.

Background

The constant current source is a power source capable of providing a constant current to a load, and with the rapid development of science and technology, the demand of the fields of instruments, electronic communication, railways, aviation, electric power and the like for the ac constant current source is increasing day by day, and in the field of low-voltage and high-current, in order to increase the output power of the current, the ac constant current source with the high current is required.

The AC constant current source can better meet the constant current control at present, mainly comprises a rectifying unit, a current transformation unit, an output unit and a control unit, is generally arranged in a machine shell to achieve the purpose of combined use, and is also provided with a wiring port for connection processing, the wiring port is generally arranged on the surface of the machine shell, when the wiring port is not used, the AC constant current source does not make corresponding protection measures on the wiring port, so that the wiring port is easy to contact with substances such as dust in the air, and further the wiring port is easy to generate damage phenomena such as poor contact, and the like, which often troubles people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy current exchanges constant current source to it is not convenient for carry out the protection to the wiring port in the not in use to exchange the constant current source to provide in solving above-mentioned background art and handles, makes the easy contact dust of wiring port produce the problem of damage phenomena such as bad contact.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a heavy current exchanges constant current source, includes the casing, chassis bottom's central point puts the department and is equipped with output unit, output unit installs the rectification unit in the chassis bottom of one side, output unit keeps away from the chassis bottom of rectification unit one side and installs the conversion unit, install the control unit on the inner wall of the casing of output unit top, the cover is installed on the top of casing, the display screen is installed to one side of casing surface, the casing surface of display screen one side is equipped with the wiring port, the both sides of wiring port all are equipped with the baffle, the casing surface at baffle both ends all is equipped with the sliding frame, the inside one side of sliding frame is equipped with the slider, the one end of slider extend to the outside of sliding frame and with the one end fixed connection of baffle.

Preferably, the two outer side walls of the bottom of the casing are both provided with a heat dissipation port, and one end of the heat dissipation port extends into the casing so as to achieve the purposes of ventilation and heat dissipation.

Preferably, install dustproof otter board on the casing inner wall of thermovent position department, all be equipped with the arrangement frame on the casing inner wall at dustproof otter board both ends to reach dirt-proof purpose.

Preferably, fan-shaped grooves are formed in the outer walls of the two sides of the dustproof screen plate and are symmetrical with respect to the center line of the dustproof screen plate, so that the dustproof screen plate can be mounted on the inner wall of the casing.

Preferably, both sides of the bottom end of the machine cover are provided with positioning seats, one side of the inside of each positioning seat is provided with a clamping groove, and one end of each clamping groove extends to the outside of each positioning seat so as to arrange and process the clamping blocks.

Preferably, the internally mounted of draw-in groove has the fixture block, the one end of fixture block extends to the outside of draw-in groove and is equipped with the gangbar, the one end that the fixture block was kept away from to the gangbar extends to the outside of casing to detach the cover in the top of casing.

Preferably, a pull handle is arranged at one end, far away from the clamping block, of the linkage rod, so that the clamping block is driven by the linkage rod to be detached to the outside of the clamping groove.

Preferably, a spring is wound on the outer wall of the linkage rod, and two ends of the spring are respectively connected with one end of the fixture block and the inner wall of the casing, so that the fixture block is driven by the linkage rod to be inserted into the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that: the high-current alternating current constant current source not only reduces the damage phenomenon of poor contact caused by the fact that the wiring port contacts dust substances, but also prolongs the service life of the alternating current constant current source, and improves the convenience of the alternating current constant current source in maintenance;

(1) One end of the sliding block is positioned in the sliding frame to slide through the sliding baffle plate, so that the baffle plate slides to the position of the wiring port, the wiring port in an unused state can be shielded and protected through the two groups of baffle plates, and the damage phenomenon of poor contact caused by the fact that the wiring port is in contact with dust substances is reduced;

(2) The heat dissipation ports are symmetrically arranged on the outer walls of the two sides of the shell to achieve the purpose of ventilation and heat dissipation, and meanwhile, the dustproof screen plate is arranged on the inner wall of the shell at the position of the heat dissipation port to achieve the purpose of dust prevention, so that the phenomena that elements in the shell are corroded by high temperature and dust can be reduced, the phenomena that the elements in the shell are burnt and broken can be reduced, and the service life of the alternating current constant current source is prolonged;

(3) Through the pulling pull handle, make it drive the outside of fixture block detachment to the draw-in groove through the gangbar, upwards stimulate the cover afterwards, can detach the cover in the top of casing to overhaul the maintenance processing to this interchange constant current source, thereby the convenience when having improved interchange constant current source and having maintained.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the heat dissipation opening of the present invention;

fig. 5 is a side view schematic structural diagram of the dustproof screen of the present invention.

In the figure: 1. a housing; 2. a heat dissipation port; 3. a machine cover; 4. a control unit; 5. a dustproof screen plate; 6. a mounting frame; 7. a current transforming unit; 8. an output unit; 9. a rectifying unit; 10. a slider; 11. a sliding frame; 12. a display screen; 13. a wiring port; 14. a baffle plate; 15. pulling a handle; 16. a spring; 17. a clamping block; 18. positioning seats; 19. a card slot; 20. a linkage rod; 21. a sector-shaped groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a kind of heavy current exchanges the constant current source, including the chassis 1, there are cooling ports 2 on two lateral walls of the chassis 1 bottom, one end of the cooling port 2 extends to the inside of the chassis 1;

when in use, the heat dissipation openings 2 are symmetrically arranged on the outer walls of the two sides of the machine shell 1, so that the purposes of ventilation and heat dissipation are achieved;

a dustproof screen plate 5 is arranged on the inner wall of the casing 1 at the position of the heat dissipation port 2, and mounting frames 6 are arranged on the inner walls of the casing 1 at two ends of the dustproof screen plate 5;

when in use, the dustproof mesh plate 5 is arranged on the inner wall of the shell 1 at the position of the heat dissipation port 2, so as to achieve the purpose of dust prevention;

the outer walls of the two sides of the dustproof screen plate 5 are provided with fan-shaped grooves 21, and the fan-shaped grooves 21 are symmetrical about the center line of the dustproof screen plate 5;

when in use, the fan-shaped groove 21 is aligned at the position of the mounting frame 6, and then the dustproof mesh plate 5 is pressed and rotated so as to install the dustproof mesh plate 5 on the inner wall of the machine shell 1;

an output unit 8 is arranged at the center of the bottom of the machine shell 1, a rectification unit 9 is arranged at the bottom of the machine shell 1 on one side of the output unit 8, a current transformation unit 7 is arranged at the bottom of the machine shell 1 on one side of the output unit 8, which is far away from the rectification unit 9, a control unit 4 is arranged on the inner wall of the machine shell 1 above the output unit 8, a machine cover 3 is arranged at the top end of the machine shell 1, positioning seats 18 are arranged on two sides of the bottom end of the machine cover 3, a clamping groove 19 is arranged on one side inside the positioning seats 18, and one end of the clamping groove 19 extends to the outside of the positioning seats 18;

when in use, the clamping groove 19 is arranged on the outer wall of the positioning seat 18, so that the clamping block 17 can be arranged and processed;

a clamping block 17 is arranged in the clamping groove 19, one end of the clamping block 17 extends to the outside of the clamping groove 19 and is provided with a linkage rod 20, and one end of the linkage rod 20, which is far away from the clamping block 17, extends to the outside of the machine shell 1;

when in use, the clamping block 17 is detached to the outside of the clamping groove 19, so that the cover 3 is detached from the top of the machine shell 1;

a pull handle 15 is arranged at one end of the linkage rod 20 far away from the fixture block 17;

when in use, the pull handle 15 is pulled so as to drive the clamping block 17 to be detached to the outside of the clamping groove 19 through the linkage rod 20;

a spring 16 is wound on the outer wall of the linkage rod 20, and two ends of the spring 16 are respectively connected with one end of a fixture block 17 and the inner wall of the casing 1;

when in use, the elastic reset function of the spring 16 is utilized, so that the clamping block 17 is driven by the linkage rod 20 to be inserted into the clamping groove 19;

a display screen 12 is arranged on one side of the surface of the machine shell 1, and a wiring port 13 is arranged on the surface of the machine shell 1 on one side of the display screen 12;

both sides of the wiring port 13 are provided with a baffle plate 14, the surfaces of the casing 1 at both ends of the baffle plate 14 are provided with a sliding frame 11, one side inside the sliding frame 11 is provided with a sliding block 10, and one end of the sliding block 10 extends to the outside of the sliding frame 11 and is fixedly connected with one end of the baffle plate 14.

When the device is used, firstly, an external alternating current power supply is connected through the wiring port 13, so that the alternating current power supply is transmitted to the rectifying unit 9, the rectifying unit 9 rectifies the electricity into working voltage and transmits the working voltage to the current transformation unit 7, then the working voltage can be output through the output unit 8 and can be controlled and processed through the control unit 4, meanwhile, various data of the alternating current constant current source can be displayed through the display screen 12 for a user to observe, then, the purposes of ventilation and heat dissipation can be achieved by symmetrically arranging the two groups of heat dissipation ports 2 on the outer walls of the two sides of the machine shell 1, so that the phenomenon of burning loss of elements in the machine shell 1 due to high temperature is reduced, then, the fan-shaped grooves 21 are calibrated at the positions of the arrangement frames 6, and then the dustproof screen 5 is pressed and rotated, so that the dustproof screen 5 is arranged on the inner wall of the machine shell 1 at the positions of the heat dissipation ports 2, the dust-proof device can reduce the internal dust flowing into the interior through the heat dissipation port 2 to achieve the dust-proof purpose, further reduce the phenomenon of circuit break caused by the erosion of the internal elements of the casing 1 by the dust, finally slide one end of the slider 10 in the sliding frame 11 through the sliding baffle 14 to slide the baffle 14 to the position of the wiring port 13, shield and protect the wiring port 13 in the unused state through the two groups of baffles 14 to reduce the phenomenon of bad contact caused by the dust contacting the wiring port 13, pull the pull handle 15 to drive the clamping block 17 to be detached to the outside of the clamping groove 19 through the linkage rod 20, pull the cover 3 upwards, detach the cover 3 from the top of the casing 1 to carry out the maintenance treatment on the AC constant current source, calibrate the cover 3 to the top of the casing 1 after the maintenance is finished, due to the elastic reset action of the spring 16, the clamping block 17 is driven by the linkage rod 20 to be inserted into the clamping groove 19, and the cover 3 can be quickly installed at the top end of the machine shell 1, so that the alternating current constant current source is used.

Claims

1. The utility model provides a heavy current exchanges constant current source, its characterized in that, includes casing (1), the central point department of putting of casing (1) bottom is equipped with output unit (8), rectifier unit (9) are installed to casing (1) bottom of output unit (8) one side, output unit (8) keep away from rectifier unit (9) one side casing (1) bottom and install conversion unit (7), install control unit (4) on the casing (1) inner wall of output unit (8) top, cover (3) are installed on the top of casing (1), display screen (12) are installed to one side on casing (1) surface, casing (1) surface of display screen (12) one side is equipped with wiring port (13), the both sides of wiring port (13) all are equipped with baffle (14), casing (1) surface at baffle (14) both ends all is equipped with carriage (11), one side of inside carriage (11) is equipped with slider (10), the one end of slider (10) extends to the outside of carriage (11) and with the one end fixed connection of baffle (14).

2. A high current ac constant current source according to claim 1, wherein: all be equipped with thermovent (2) on two lateral walls of casing (1) bottom, the one end of thermovent (2) extends to the inside of casing (1).

3. A high current ac constant current source as claimed in claim 2, wherein: install dustproof otter board (5) on casing (1) inner wall of thermovent (2) position department, all be equipped with on casing (1) inner wall at dustproof otter board (5) both ends and settle frame (6).

4. A high current ac constant current source according to claim 3, wherein: the dustproof screen plate is characterized in that fan-shaped grooves (21) are formed in the outer walls of the two sides of the dustproof screen plate (5), and the fan-shaped grooves (21) are symmetrical with respect to the center line of the dustproof screen plate (5).

5. A high current ac constant current source according to claim 1, wherein: both sides of cover (3) bottom all are equipped with positioning seat (18), one side of positioning seat (18) inside is equipped with draw-in groove (19), the outside of one end extension to positioning seat (18) of draw-in groove (19).

6. A high current AC constant current source as claimed in claim 5, wherein: the inside mounting of draw-in groove (19) has fixture block (17), the one end of fixture block (17) extends to the outside of draw-in groove (19) and is equipped with gangbar (20), the one end that gangbar (20) kept away from fixture block (17) extends to the outside of casing (1).

7. A high current ac constant current source according to claim 6, wherein: and a pull handle (15) is arranged at one end of the linkage rod (20) far away from the clamping block (17).

8. A high current ac constant current source as claimed in claim 6, wherein: the outer wall of the linkage rod (20) is wound with a spring (16), and two ends of the spring (16) are respectively connected with one end of the clamping block (17) and the inner wall of the shell (1).