CN211061589U - Adjustable direct-current power supply for switch test - Google Patents
Adjustable direct-current power supply for switch test Download PDFInfo
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- CN211061589U CN211061589U CN201921798741.3U CN201921798741U CN211061589U CN 211061589 U CN211061589 U CN 211061589U CN 201921798741 U CN201921798741 U CN 201921798741U CN 211061589 U CN211061589 U CN 211061589U
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Abstract
The utility model discloses an adjustable DC power supply for switch test, which comprises an outer shell, the front end of shell is close to the upper end surface and is provided with the display screen, the front end of shell is close to middle department's surface and is provided with adjust knob, the front end of shell is close to one side surface and is provided with switch, the upper end surface fixed mounting of shell has the handle, the louvre has been seted up to one side surface of shell, the front end of shell is close to the opposite side surface and is provided with the terminal, the inside of shell is close to one side surface and has seted up fixed spout, one side surface of fixed spout is provided with the sliding closure, the front end surface of sliding closure is provided with the fixed screw. A adjustable DC power supply for switch test, be convenient for open DC power supply, the staff's clearance maintenance of being convenient for can improve voltage electric current's stability, the mode of connection is various, brings better use prospect.
Description
Technical Field
The utility model relates to an adjustable DC power supply field, in particular to adjustable DC power supply for switch test.
Background
The adjustable direct current power supply is electronic instrument equipment for converting power frequency power grid electric energy into a special high-voltage power supply, and along with the development of society and the progress of science and technology, the existing adjustable direct current power supply can not meet the requirements of people, people need the adjustable direct current power supply which is convenient to turn on, clean and maintain by workers, can improve the stability of voltage and current and has various wiring modes; the adjustable direct current power supply has certain drawback when using, at first, is not convenient for open the shell, and the staff's clearance and the maintenance of being not convenient for simultaneously, secondly, can not keep voltage current output's stability, causes the detection error easily, reduces the precision that detects, and finally, the mode of connection is single, and the flexibility is lower, and the use of giving people has brought certain influence, for this reason, we provide an adjustable direct current power supply for switch test.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an adjustable dc power supply for testing switches, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an adjustable direct current power supply for switch test comprises a shell, wherein a display screen is arranged at the front end of the shell close to the outer surface of the upper end, an adjusting knob is arranged at the front end of the shell close to the outer surface of the middle part, a power switch is arranged at the front end of the shell close to the outer surface of one side, a handle is fixedly installed at the outer surface of the upper end of the shell, a heat dissipation hole is formed in the outer surface of one side of the shell, a binding post is arranged at the front end of the shell close to the outer surface of the other side, a fixed sliding chute is formed in the shell close to the outer surface of one side, a sliding cover is arranged on the outer surface of one side of the fixed sliding chute, a fixed screw is arranged on the outer surface of the front end of the sliding cover, a main transformer and a driving transformer are, the inside bottom of shell is close to the opposite side surface and is provided with primary filter and secondary filter, and primary filter is located one side of secondary filter, the inside bottom of shell is close to the front end surface and is provided with the low pressure wave filter, the wiring hole has been seted up to the upper end surface of terminal, the bottom surface fixed mounting of terminal has the binding screw.
Preferably, a sliding rail and a roller are arranged at the joint of the outer surface of the inner side of the fixed sliding chute and the outer surface of the periphery of the sliding cover, and the roller is positioned on one side of the sliding rail.
Preferably, a mounting groove is formed at the joint of the outer surface of the rear end of the adjusting knob and the outer surface of the front end of the shell.
Preferably, a fixing plate is arranged at the joint of the outer surface of the upper end of the shell and the outer surface of the bottom end of the handle.
Preferably, the processor and the fan are arranged in the shell, and the processor is located on one side of the fan.
Preferably, a clamping groove is formed in the joint of the peripheral outer surface of the display screen and the outer surface of the front end of the shell.
Preferably, the outer surface of one side of the main transformer and the outer surface of the opposite side of the driving transformer are connected through a first cable, and the high-voltage filter capacitor, the first-stage filter, the second-stage filter and the low-voltage filter are welded on the PCB and connected through a circuit in the PCB.
Compared with the prior art, the utility model discloses following beneficial effect has: this an adjustable DC power supply for switch test utilizes fixed spout and sliding closure, the staff of being convenient for opens the shell, be convenient for simultaneously maintenance and clearance, work efficiency has been improved, utilize primary filter, secondary filter and low voltage filter, can improve output current's stability, guarantee the precision that detects, utilize wiring hole and wiring screw, the mode of connection of device has been increased, flexibility has been improved, whole adjustable DC power supply simple structure for switch test, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an adjustable dc power supply for a switch test according to the present invention;
fig. 2 is a schematic structural view of an adjustable dc power fixing chute for switch testing according to the present invention;
fig. 3 is a cross-sectional view of an adjustable dc power supply for switch testing according to the present invention;
fig. 4 is a schematic structural diagram of an adjustable dc power terminal for switch testing according to the present invention.
In the figure: 1. a housing; 2. a display screen; 3. adjusting a knob; 4. a power switch; 5. a handle; 6. heat dissipation holes; 7. a binding post; 8. fixing the chute; 9. a sliding cover; 10. fixing screws; 11. a main transformer; 12. a drive transformer; 13. a high-voltage filter capacitor; 14. a first order filter; 15. a second order filter; 16. a low voltage filter; 17. a wiring hole; 18. and a binding screw.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in figures 1-4, an adjustable DC power supply for switch test comprises a housing 1, which is convenient for fixing other components, a display screen 2 is arranged at the front end of the housing 1 near the upper outer surface, which can display the working state of the device, an adjusting knob 3 is arranged at the front end of the housing 1 near the middle outer surface, which is convenient for adjusting the output current, a power switch 4 is arranged at the front end of the housing 1 near one outer surface, a handle 5 is fixedly arranged at the upper outer surface of the housing 1, which is convenient for workers to carry and move, a heat dissipation hole 6 is arranged at one outer surface of the housing 1, which improves the heat dissipation efficiency of the device, a binding post 7 is arranged at the front end of the housing 1 near the other outer surface, a fixed chute 8 is arranged at the inner part of the housing 1 near one outer surface, a sliding cover 9 is arranged at one outer surface of the, the inside bottom of shell 1 is close to one side surface and is provided with main transformer 11 and driving transformer 12, and main transformer 11 is located one side of driving transformer 12, department's surface is provided with high-voltage filter capacitor 13 in the middle of the bottom of shell 1, the inside bottom of shell 1 is close to the opposite side surface and is provided with primary filter 14 and secondary filter 15, and primary filter 14 is located one side of secondary filter 15, the inside bottom of shell 1 is close to the front end surface and is provided with low-voltage filter 16, can improve output current's stability, wiring hole 17 has been seted up to the upper end surface of terminal 7, the bottom surface fixed mounting of terminal 7 has binding screw 18.
The connection part of the inner side outer surface of the fixed sliding chute 8 and the peripheral outer surface of the sliding cover 9 is provided with a sliding rail and a roller, and the roller is positioned on one side of the sliding rail, so that the sliding of the sliding cover 9 is facilitated.
The connection part of the outer surface of the rear end of the adjusting knob 3 and the outer surface of the front end of the shell 1 is provided with a mounting groove, so that the adjusting knob 3 can work conveniently.
The outer surface of the upper end of the shell 1 is provided with a fixing plate at the joint with the outer surface of the bottom end of the handle 5, so that the handle 5 is convenient to fix.
The inside of shell 1 is provided with treater and fan, and the treater is located one side of fan, and the radiating efficiency can be improved to the processing information that can be timely.
The joint of the outer surfaces of the periphery of the display screen 2 and the outer surface of the front end of the shell 1 is provided with a clamping groove, so that the display screen 2 can be conveniently installed.
The outer surface of one side of the main transformer 11 and the outer surface of the opposite side of the driving transformer 12 are connected through a cable, and the high-voltage filter capacitor 13, the primary filter 14, the secondary filter 15 and the low-voltage filter 16 are all welded on the PCB and connected through a circuit in the PCB.
It should be noted that, the utility model relates to an adjustable dc power supply for switch test, when using, the staff connects the switch to be detected to the binding post 7 on the shell 1 by cable, the cable can be inserted into the wiring hole 17 or wound on the wiring screw 18, the connection mode is various, the flexibility is improved, the staff presses the power switch 4, the device in the shell 1 starts to work, the household circuit is connected to the shell 1, the voltage of the household circuit is changed by the main transformer 11 and the driving transformer 12, then the current is rectified and stabilized by the high voltage filter capacitor 13, the first filter 14 and the second filter 15, the output current is more stable, the detection precision is improved, when needing to input low voltage, the current is rectified by the low voltage filter 16, the low voltage output is more stable, the staff rotates the fixing screw 10, make fixed screw 10 drop, slide in making sliding closure 9 at fixed spout 8 to open shell 1, the staff's of being convenient for maintenance and clearance through being provided with handle 5, the staff's of being convenient for transport removes, and through being provided with adjust knob 3, the voltage and the electric current of being convenient for adjust output are comparatively practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An adjustable DC power supply for switch test, comprising a housing (1), characterized in that: the front end of the shell (1) is provided with a display screen (2) close to the outer surface of the upper end, the front end of the shell (1) is provided with an adjusting knob (3) close to the outer surface of the middle part, the front end of the shell (1) is provided with a power switch (4) close to the outer surface of one side, the outer surface of the upper end of the shell (1) is fixedly provided with a handle (5), the outer surface of one side of the shell (1) is provided with a radiating hole (6), the front end of the shell (1) is provided with a binding post (7) close to the outer surface of the other side, the inner part of the shell (1) is provided with a fixed sliding chute (8) close to the outer surface of one side, the outer surface of one side of the fixed sliding chute (8) is provided with a sliding cover (9), the outer surface of the front end of the sliding, and main transformer (11) are located one side of driving transformer (12), department's surface is provided with high-voltage filter electric capacity (13) in the middle of the bottom of shell (1), the inside bottom of shell (1) is close to the opposite side surface and is provided with primary filter (14) and secondary filter (15), and primary filter (14) are located one side of secondary filter (15), the inside bottom of shell (1) is close to the front end surface and is provided with low-voltage filter (16), wiring hole (17) have been seted up to the upper end surface of terminal (7), the bottom surface fixed mounting of terminal (7) has binding screw (18).
2. The adjustable dc power supply of claim 1, wherein: the connection part of the inner side outer surface of the fixed sliding chute (8) and the peripheral outer surface of the sliding cover (9) is provided with a sliding rail and a roller, and the roller is positioned on one side of the sliding rail.
3. The adjustable dc power supply of claim 1, wherein: the outer surface of the rear end of the adjusting knob (3) is connected with the outer surface of the front end of the shell (1) through a mounting groove.
4. The adjustable dc power supply of claim 1, wherein: and a fixing plate is arranged at the joint of the outer surface of the upper end of the shell (1) and the outer surface of the bottom end of the handle (5).
5. The adjustable dc power supply of claim 1, wherein: the processor and the fan are arranged in the shell (1), and the processor is located on one side of the fan.
6. The adjustable dc power supply of claim 1, wherein: the joint of the outer surfaces of the periphery of the display screen (2) and the outer surface of the front end of the shell (1) is provided with a clamping groove.
7. The adjustable dc power supply of claim 1, wherein: the outer surface of one side of the main transformer (11) and the outer surface of the opposite side of the driving transformer (12) are connected through a cable, and the high-voltage filter capacitor (13), the primary filter (14), the secondary filter (15) and the low-voltage filter (16) are all welded on the PCB and connected through a circuit in the PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798741.3U CN211061589U (en) | 2019-10-24 | 2019-10-24 | Adjustable direct-current power supply for switch test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798741.3U CN211061589U (en) | 2019-10-24 | 2019-10-24 | Adjustable direct-current power supply for switch test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061589U true CN211061589U (en) | 2020-07-21 |
Family
ID=71588537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921798741.3U Active CN211061589U (en) | 2019-10-24 | 2019-10-24 | Adjustable direct-current power supply for switch test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211061589U (en) |
-
2019
- 2019-10-24 CN CN201921798741.3U patent/CN211061589U/en active Active
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