CN211557742U - Reference voltage source with adjustable output voltage - Google Patents
Reference voltage source with adjustable output voltage Download PDFInfo
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- CN211557742U CN211557742U CN202020613757.9U CN202020613757U CN211557742U CN 211557742 U CN211557742 U CN 211557742U CN 202020613757 U CN202020613757 U CN 202020613757U CN 211557742 U CN211557742 U CN 211557742U
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- reference voltage
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- side wall
- voltage
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- 230000006978 adaptation Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a reference voltage source with adjustable output voltage, which comprises a shell, wherein the front side of the inner cavity of the shell is fixedly connected with a front panel, the inner cavity of the shell is fixedly connected with a reference voltage host, and the inner cavity of the shell is far away from one side wall of the front panel and is fixedly connected with a voltage sensor and a singlechip; the electric switch is connected between the reference voltage host and the input connector, the voltage sensor and the single chip microcomputer are fixed in the inner cavity of the shell, the voltage sensor can detect the voltage of the input connector connected to the power supply in real time during working and transmits the voltage to the single chip microcomputer, when the input power supply exceeds rated voltage, the single chip microcomputer controls the electric switch to work, the power supply connected to the input connector stops being input to the reference voltage host, the reference voltage host is protected, and the whole reference voltage source is prevented from being burnt down after the connected voltage exceeds the standard.
Description
Technical Field
The utility model relates to a power equipment field, in particular to output voltage adjustable reference voltage source.
Background
The reference voltage source is an extremely important component of a modern analog integrated circuit, provides reference voltage for a series voltage stabilizing circuit, an A/D converter and a D/A converter, and is also a voltage stabilizing power supply or an excitation source of most sensors. In addition, a voltage reference source can also be used as a standard battery, a scale standard of an instrument gauge head and a precision current source, and the conventional reference voltage source has the function of detecting an input power source, so that the voltage of the power source is too large, the reference voltage source is burnt if the voltage is too large, and safety accidents can be caused if the voltage is too large.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a reference voltage source with adjustable output voltage, which can effectively solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a reference voltage source with adjustable output voltage comprises a shell, wherein a front panel is fixedly connected to the front side of an inner cavity of the shell, a reference voltage host is fixedly connected to the inner cavity of the shell, a voltage sensor and a single chip microcomputer are fixedly connected to one side wall, far away from the front panel, of the inner cavity of the shell, an electric switch is fixedly connected to the upper side wall of the inner cavity of the shell, a display screen is fixedly connected to one side wall, far away from the reference voltage host, of the front panel, a switch is arranged on one side of the display screen and fixedly connected with the front panel, a keyboard is arranged on one side of the switch and fixedly connected with the front panel, a manual adjusting transformer is arranged on one side of the keyboard and fixedly connected with the front panel, an input connector and an output connector are fixedly connected to two sides of the upper side wall of the shell respectively, and the input connector and the reference voltage host are both electrically connected, the output connect with the hand regulation transformer all with reference voltage host computer electric connection, display screen, switch and keyboard all with reference voltage host computer electric connection, one side of hand regulation transformer is equipped with bee calling organ and pilot lamp, bee calling organ and pilot lamp all with singlechip electric connection, the equal fixedly connected with supporting legs in lower lateral wall four corners of casing, casing edge fixedly connected with cornerite piece.
Preferably, the left side wall and the right side wall of the shell are uniformly provided with heat dissipation holes.
Preferably, the inner cavity on the side wall fixedly connected with temperature sensor, the inner cavity left and right sides wall of casing all fixedly connected with fan, the fan with temperature sensor all with singlechip electric connection.
Preferably, one side that output joint and input connect all is equipped with the sheet rubber, the sheet rubber with the casing rotates to be connected, the sheet rubber is kept away from a lateral wall fixedly connected with of casing with the input connect with the rubber buffer of output joint looks adaptation.
Preferably, a groove is formed in the center of the upper side wall of the shell, and a handle is rotatably connected to an inner cavity of the groove.
Preferably, the upper side of the shell is provided with a slide hole, the inner cavity of the slide hole is connected with a transparent acrylic plate in a sliding manner, and one side of the shell, which is far away from the shell, is provided with a clamping groove.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, through connect electric switch between reference voltage host computer and input joint, and at the fixed voltage sensor of inner chamber and the singlechip of casing, voltage sensor during operation can real-time detection have the voltage size that the input joint inserts the power, and transmit to the singlechip, when the input power supply exceeds rated voltage, the work of single chip microcomputer control electric switch, make the power that the input joint inserts stop to import to the reference voltage host computer, in order to play the protection to the reference voltage host computer, burn out whole reference voltage source after avoiding inserting the voltage and exceeding standard.
Drawings
Fig. 1 is an overall structure diagram of a reference voltage source with adjustable output voltage according to the present invention;
fig. 2 is a cross-sectional view of a reference voltage source with adjustable output voltage according to the present invention;
fig. 3 is a sectional view of a housing of a reference voltage source with adjustable output voltage according to the present invention;
fig. 4 is a bottom view of the reference voltage source with adjustable output voltage according to the present invention.
In the figure: 1. a housing; 2. a front panel; 3. a reference voltage host; 4. a display screen; 5. a switch; 6. manually adjusting the transformer; 7. a keyboard; 8. a buzzer; 9. an indicator light; 10. a slide hole; 11. a transparent acrylic sheet; 12. an input connector; 13. an output joint 14, a rubber sheet; 15. a rubber plug; 16. a handle; 17. a groove; 18. wrapping the corner piece; 19. heat dissipation holes; 20. a temperature sensor; 21. a card slot; 22. a voltage sensor; 23. a single chip microcomputer; 24. an electric switch; 25. supporting legs; 26. a fan.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a reference voltage source with adjustable output voltage comprises a housing 1, a front panel 2 is fixedly connected to the front side of an inner cavity of the housing 1, a reference voltage host 3 is fixedly connected to the inner cavity of the housing 1, the reference voltage host 3 is a voltage reference host with the model of ADR441BRZ, a voltage sensor 22 and a single chip 23 are fixedly connected to a side wall of the inner cavity of the housing 1 far from the front panel 2, the voltage sensor 22 is used for detecting the voltage of an input power in real time during operation, an electric switch 24 is fixedly connected to the upper side wall of the inner cavity of the housing 1, the electric switch 24 is used for controlling the on-off of the input power, a display screen 4 is fixedly connected to a side wall of the front panel 2 far from the reference voltage host 3, a switch 5 is arranged on one side of the display screen 4, the switch 5 is fixedly connected to the front panel 2, a keyboard, a manual transformer 6 is arranged on one side of a keyboard 7, the manual transformer 6 is fixedly connected with a front panel 2, the manual transformer 6 is used for adjusting the voltage of an output power supply, an input connector 12 and an output connector 13 are respectively and fixedly connected with two sides of the upper side wall of a shell 1, the input connector 12 and a reference voltage host 3 are both electrically connected with an electric switch 24, the output connector 13 and the manual transformer 6 are both electrically connected with the reference voltage host 3, a display screen 4, a switch 5 and a keyboard 7 are all electrically connected with the reference voltage host 3, a buzzer 8 and an indicator lamp 9 are arranged on one side of the manual transformer 6, the buzzer 8 and the indicator lamp 9 are both electrically connected with a singlechip 23, the buzzer 8 and the indicator lamp 9 are used for providing an alarm prompt function when the input power supply exceeds the limit, supporting legs 25 are fixedly connected with four corners of the lower side wall of the shell 1, the supporting legs 25 are used for supporting the voltage supply, the corner of the shell 1 is fixedly connected with a corner wrapping sheet 18.
Radiating holes 19 are uniformly formed in the left side wall and the right side wall of the shell 1, and the radiating holes 19 are used for radiating the voltage source. The inner chamber on lateral wall fixedly connected with temperature sensor 20, the equal fixedly connected with fan 26 of the inner chamber left and right sides wall of casing 1, fan 26 and temperature sensor 20 all with singlechip 23 electric connection, temperature sensor 20 is used for the temperature size of real-time detection casing 1 inner chamber, fan 26 is used for starting when casing 1 inner chamber temperature exceeds standard, dispels the heat for casing 1 uses.
One side of output joint 13 and input joint 12 all is equipped with rubber piece 14, and rubber piece 14 rotates with casing 1 to be connected, and one lateral wall fixedly connected with of casing 1 is kept away from to rubber piece 14 and the rubber buffer 15 of input joint 12 and output joint 13 looks adaptation, and rubber buffer 15 is used for stopping input joint 12 and output joint 13 when this reference voltage source does not use, avoids the dust to get into the inner chamber of input joint 12 and output joint 13.
The center of the upper side wall of the shell 1 is provided with a groove 17, the inner cavity of the groove 17 is rotatably connected with a handle 16, and the groove 17 is used for providing a hand-holding space for moving when the reference voltage source is moved.
The upper side of casing 1 has seted up slide opening 10, and the inner chamber sliding connection of slide opening 10 has transparent ya keli board 11, and casing 1 keeps away from one side of casing 1 and has seted up draw-in groove 21, and transparent ya keli board 11 is used for when not using this reference voltage source, protects the component of fixing on front panel 2, reduces on the component that the dust fell on front panel 2.
It should be noted that, the utility model relates to a reference voltage source with adjustable output voltage, in the using process, connect the power with input joint 12, connect output joint 13 with consumer, voltage sensor 22 can detect the voltage of input joint 12 accessing power in real time when working, and transmit to singlechip 23, when the input power exceeds the rated voltage, singlechip 23 controls electric switch 24 to work, make the power accessed by input joint 12 stop inputting to reference voltage host 3, so as to protect reference voltage host 3, singlechip 23 controls indicator lamp 9 and buzzer 8 to work, so as to send the alarm that the voltage of accessing power exceeds standard, so as to remind the user to extract the power accessed by input joint 12 as soon as possible, at the same time, the user can rotate hand-adjusting transformer 6 as required, so as to adjust the voltage output by output joint 13, temperature sensor 20 can try on and detect the inside temperature of casing 1 to real-time transmission to singlechip 23, when the temperature in casing 1 exceeds standard, singlechip 23 control fan 26 circular telegram work, with the radiating efficiency who improves casing 1.
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 (6)
1. A reference voltage source with adjustable output voltage comprises a shell (1), and is characterized in that: the front panel (2) is fixedly connected to the front side of the inner cavity of the shell (1), the reference voltage host (3) is fixedly connected to the inner cavity of the shell (1), a voltage sensor (22) and a single chip microcomputer (23) are fixedly connected to one side wall of the inner cavity of the shell (1) far away from the front panel (2), an electric switch (24) is fixedly connected to the upper side wall of the inner cavity of the shell (1), a display screen (4) is fixedly connected to one side wall of the front panel (2) far away from the reference voltage host (3), a switch (5) is arranged on one side of the display screen (4), the switch (5) is fixedly connected with the front panel (2), a keyboard (7) is arranged on one side of the switch (5), the keyboard (7) is fixedly connected with the front panel (2), a manual adjusting transformer (6) is arranged on one side of the keyboard (7), and the manual adjusting transformer (6) is fixedly connected with the front panel (2), an input joint (12) and an output joint (13) are respectively and fixedly connected with the two sides of the upper side wall of the shell (1), the input connector (12) and the reference voltage host (3) are both electrically connected with the electric switch (24), the output connector (13) and the manual regulating transformer (6) are both electrically connected with the reference voltage host (3), the display screen (4), the switch (5) and the keyboard (7) are all electrically connected with the reference voltage host (3), a buzzer (8) and an indicator light (9) are arranged on one side of the manual regulating transformer (6), the buzzer (8) and the indicator lamp (9) are both electrically connected with the singlechip (23), the supporting legs (25) are fixedly connected to four corners of the lower side wall of the shell (1), and corner wrapping pieces (18) are fixedly connected to corners of the shell (1).
2. The reference voltage source of claim 1, wherein: radiating holes (19) are uniformly formed in the left side wall and the right side wall of the shell (1).
3. The reference voltage source of claim 1, wherein: the inner chamber on the lateral wall fixedly connected with temperature sensor (20), the equal fixedly connected with fan (26) of the inner chamber left and right sides wall of casing (1), fan (26) with temperature sensor (20) all with singlechip (23) electric connection.
4. The reference voltage source of claim 1, wherein: one side that output joint (13) and input joint (12) all is equipped with sheet rubber (14), sheet rubber (14) with casing (1) rotates to be connected, sheet rubber (14) are kept away from a lateral wall fixedly connected with of casing (1) with input joint (12) with rubber buffer (15) of output joint (13) looks adaptation.
5. The reference voltage source of claim 1, wherein: a groove (17) is formed in the center of the upper side wall of the shell (1), and a lifting handle (16) is rotatably connected to the inner cavity of the groove (17).
6. The reference voltage source of claim 1, wherein: slide opening (10) have been seted up to the upside of casing (1), the inner chamber sliding connection of slide opening (10) has transparent ya keli board (11), casing (1) is kept away from draw-in groove (21) have been seted up to one side of casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020613757.9U CN211557742U (en) | 2020-04-22 | 2020-04-22 | Reference voltage source with adjustable output voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020613757.9U CN211557742U (en) | 2020-04-22 | 2020-04-22 | Reference voltage source with adjustable output voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211557742U true CN211557742U (en) | 2020-09-22 |
Family
ID=72495730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020613757.9U Active CN211557742U (en) | 2020-04-22 | 2020-04-22 | Reference voltage source with adjustable output voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211557742U (en) |
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2020
- 2020-04-22 CN CN202020613757.9U patent/CN211557742U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211230 Address after: 716000 Room 203, building 64, innovation science and Technology Industrial Park, high tech Industrial Development Zone, Yan'an City, Shaanxi Province Patentee after: Yan'an Changhe Technology Co.,Ltd. Address before: 430070 room 106, unit 1, building 24, No.6 Zhuodaoquan North Road, Hongshan District, Wuhan City, Hubei Province Patentee before: Gong Xun |
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| TR01 | Transfer of patent right |