CN216956805U - Low dropout regulator - Google Patents
Low dropout regulator Download PDFInfo
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- CN216956805U CN216956805U CN202220867044.4U CN202220867044U CN216956805U CN 216956805 U CN216956805 U CN 216956805U CN 202220867044 U CN202220867044 U CN 202220867044U CN 216956805 U CN216956805 U CN 216956805U
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Abstract
The utility model relates to the technical field of electronic equipment, in particular to a low-dropout linear regulator, which comprises a regulator body and a mounting assembly, wherein the mounting assembly comprises a mounting plate, a base plate and a fixed rod, the regulator body is mounted, the mounting plate is inserted into a fixed groove of the equipment, the base plate is inserted into the mounting groove of the mounting plate, the base plate slides in the mounting groove and extrudes the fixed rod, so that the fixed rod is retracted into the mounting plate, when the fixed rod and a clamping groove of the base plate are positioned at the same height, the fixed rod slides out of the mounting plate and is inserted into the clamping groove, the mounting plate and the base plate are connected and fixed, thereby the fixing of the regulator body is completed, when the regulator is disassembled, the fixed rod is slid to one side far away from the base plate, so that the fixed rod is separated from the base plate, the regulator body can be taken down, the whole assembling and disassembling process is quick and convenient, tools are not needed, the problem that the existing low-dropout linear regulator is difficult to be flexibly installed is solved, inconvenient installation and disassembly.
Description
Technical Field
The utility model relates to the technical field of electronic equipment, in particular to a low dropout regulator.
Background
Low dropout linear regulators have found wide application in a variety of products. The traditional self-current-limiting output circuit structure of the voltage stabilizer solves the problems of output voltage overshoot and breakdown caused by the overshoot. However, the self-current-limiting circuit increases the voltage drop of the voltage regulator, which results in the increase of the power consumption of the voltage regulator.
The prior art discloses a low dropout regulator, which comprises an error amplifier with a positive electrode connected with a power supply, wherein the output end of the error amplifier is connected with the grid electrode of an MOS (metal oxide semiconductor), the drain electrode of the MOS is connected with a current limiting device, the source electrode of the MOS is connected with a feedback resistor, and the feedback resistor is connected with the negative electrode of the error amplifier. The problems of high voltage drop and high power consumption of the low dropout linear regulator in the prior art are solved.
However, the above-mentioned techniques are difficult to flexibly mount by welding or fixing the circuit board by bolts, and the bolt fixing also needs to occupy the space on the other side of the circuit board, so that it is inconvenient to connect the circuit board with other components, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low dropout regulator, which solves the problems that the existing low dropout regulator is difficult to flexibly install and inconvenient to install and disassemble.
In order to achieve the above object, the present invention provides a low dropout regulator, comprising a regulator body,
still include the installation component, the installation component includes mounting panel, base plate and dead lever, the mounting panel has the mounting groove, the mounting groove is located mounting panel one side, the dead lever with mounting panel sliding connection just is located the mounting groove lateral wall, the base plate has the draw-in groove, just the draw-in groove with the dead lever is corresponding, the base plate with the mounting panel is dismantled and is connected, and is located in the mounting groove, the stabiliser body with base plate fixed connection just is located and keeps away from mounting panel one side.
The mounting assembly further comprises a rotating clamp, the rotating clamp is connected with the mounting plate in a rotating mode and is located close to one side of the substrate.
The mounting assembly further comprises a first spring, and the first spring is fixedly connected with the mounting plate and is located in the mounting groove.
Wherein, the dead lever includes slide bar and second spring, the slide bar with mounting panel sliding connection, and be located the mounting groove lateral wall, the slide bar has the arch, the arch is located keeps away from mounting panel one side, the second spring with mounting panel fixed connection, and with slide bar fixed connection, and be located the slide bar with between the mounting panel.
The rotating clamp comprises a rotating clamp body and a rubber pad, the rotating clamp body is rotatably connected with the mounting plate and is located close to one side of the substrate, and the rubber pad is fixedly connected with the rotating clamp body and is located close to one side of the substrate.
The low-dropout linear regulator further comprises a sound insulation assembly, wherein the sound insulation assembly is arranged on one side, close to the substrate, of the mounting plate.
Wherein, the sound insulation subassembly includes the cover body and soundproof cotton, the cover body with the mounting panel is dismantled and is connected, and is located and is close to base plate one side, soundproof cotton with cover body fixed connection, and be located and be close to base plate one side.
The low dropout regulator of the utility model is characterized in that the substrate provides installation conditions for the regulator body, when the regulator body is installed, the mounting plate is inserted into a fixing groove of equipment, the substrate is inserted into the mounting groove of the mounting plate, the substrate slides in the mounting groove and extrudes the fixing rod, so that the fixing rod is retracted into the mounting plate, when the fixing rod and the clamping groove of the substrate are positioned at the same height, the fixing rod slides out of the mounting plate and is inserted into the clamping groove, the mounting plate and the substrate are connected and fixed, thereby fixing the regulator body, when the regulator is disassembled, the fixing rod is slid to one side far away from the substrate, so that the fixing rod is separated from the substrate, the regulator body can be taken down, and the whole installation and disassembly process is rapid and convenient, the problem that the existing low-dropout linear voltage regulator is difficult to flexibly install and inconvenient to install and disassemble is solved without the help of tools.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic diagram of a first embodiment of a low dropout regulator according to the present invention.
Fig. 2 is an enlarged view of detail a of fig. 1.
Fig. 3 is a longitudinal sectional view of a first embodiment of a low dropout regulator of the present invention taken along a bump.
Fig. 4 is a longitudinal sectional view of a second embodiment of the low dropout regulator of the present invention taken along the protrusion.
101-voltage stabilizer body, 102-mounting component, 103-mounting plate, 104-mounting groove, 105-base plate, 106-clamping groove, 107-fixed rod, 108-rotating clamp, 109-first spring, 110-sliding rod, 111-second spring, 112-rotating clamp body, 113-rubber pad, 114-projection, 201-sound insulation component, 202-cover body and 203-sound insulation cotton.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, and the embodiments described below with reference to the accompanying drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention.
The first embodiment of the present application is:
referring to fig. 1-3, fig. 1 is a schematic structural diagram of the present invention, fig. 2 is an enlarged view of detail a of fig. 1, fig. 3 is a longitudinal sectional view along a protrusion of the present invention, and includes a regulator body 101 and a mounting assembly 102, where the mounting assembly 102 includes a mounting plate 103, a base plate 105, a fixing rod 107, a rotating clamp 108 and a first spring 109, the mounting plate 103 has the mounting groove 104, the base plate 105 has a clamping groove 106, the fixing rod 107 includes a sliding rod 110 and a second spring 111, and the rotating clamp 108 includes a rotating clamp body 112 and a rubber pad 113.
To the embodiment, the voltage stabilizer body 101 is used for controlling a current main channel, and hardware circuits such as an extremely low on-line on-resistance, a schottky diode, a sampling resistor, a divider resistor and the like are integrated on a chip.
Wherein the mounting groove 104 is located at one side of the mounting plate 103, the fixing rod 107 is slidably connected with the mounting plate 103 and located at a side wall of the mounting groove 104, the engaging groove 106 corresponds to the fixing rod 107, the substrate 105 is detachably connected with the mounting plate 103 and located in the mounting groove 104, the regulator body 101 is fixedly connected with the substrate 105 and located at one side far from the mounting plate 103, when the regulator body 101 is mounted, the mounting plate 103 is inserted into the fixing groove of the device, the substrate 105 is inserted into the mounting groove 104 of the mounting plate 103, the substrate 105 slides in the mounting groove 104 and presses the fixing rod 107, so that the fixing rod 107 is retracted into the mounting plate 103, when the fixing rod 107 and the engaging groove 106 of the substrate 105 are located at the same height, the fixing rod 107 slides out of the mounting plate 103 and is inserted into the engaging groove 106, will the mounting panel 103 with the base plate 105 is connected fixedly, thereby it is right to accomplish the fixed of stabiliser body 101, during the dismantlement, to keeping away from base plate 105 one side slides dead lever 107, makes dead lever 107 with the base plate 105 separation can take off stabiliser body 101, and whole installation dismantlement process is quick convenient, need not with the help of the instrument.
Secondly, the rotating clamp 108 is rotatably connected with the mounting plate 103 and is positioned at one side close to the substrate 105, and the arrangement of the rotating frame further strengthens the connection effect of the mounting plate 103 and the substrate 105.
Thirdly, the first spring 109 is fixedly connected with the mounting plate 103 and is located in the mounting groove 104, and the first spring 109 is arranged to eject the voltage stabilizer body 101 out of the mounting groove 104 when the voltage stabilizer body 101 is disassembled, so that the voltage stabilizer body 101 is convenient to disassemble.
In addition, the slide bar 110 is slidably connected with the mounting plate 103 and is located on the side wall of the mounting groove 104, the slide bar 110 is provided with a protrusion 114, the protrusion 114 is located on one side of the mounting plate 103, the second spring 111 is fixedly connected with the mounting plate 103 and is fixedly connected with the slide bar 110 and is located between the slide bar 110 and the mounting plate 103, when the voltage stabilizer body 101 is mounted, the substrate 105 slides in the mounting groove 104 and pushes the slide bar 110, so that the slide bar 110 extrudes the second spring 111 and retracts into the mounting plate 103, when the slide bar 110 and the clamping groove 106 are located at the same height, the slide bar 110 slides out of the clamping groove 106, the mounting plate 103 and the substrate 105 are fixedly connected, thereby fixing the voltage stabilizer body 101 is completed, and when the voltage stabilizer is dismounted, the slide bar 110 slides to one side away from the substrate 105, the sliding rod 110 is separated from the substrate 105, so that the regulator body 101 can be taken down, and the protrusion 114 is arranged to facilitate an electrician to slide the sliding rod 110.
Finally, the rotating clamp body 112 with the mounting plate 103 is connected in a rotating mode, and is located close to one side of the substrate 105, the rubber pad 113 is fixedly connected with the rotating clamp body 112 and is located close to one side of the substrate 105, the rotating clamp body 112 rotates to press the rubber pad 113 onto the substrate 105, and the connecting effect of the substrate 105 and the mounting plate 103 is further enhanced.
During the use, the installation during stabiliser body 101, base plate 105 is in slide and promote in mounting groove 104 slide bar 110 makes slide bar 110 extrudees second spring 111 contracts in the mounting panel 103, treat slide bar 110 with when draw-in groove 106 is located same height, slide bar 110 roll-off in the draw-in groove 106, will mounting panel 103 with base plate 105 is connected fixedly, thereby it is right to accomplish stabiliser body 101 fixed, during the dismantlement, through removing protruding 114 to keeping away from base plate 105 one side slide bar 110 makes slide bar 110 with base plate 105 separation can take off stabiliser body 101.
The second embodiment of the present application is:
referring to fig. 4, on the basis of the first embodiment, fig. 4 is a longitudinal sectional view along the protrusion 114 of the present invention, and the low dropout regulator of the present embodiment further includes a sound insulation assembly 201, where the sound insulation assembly 201 includes a cover 202 and sound insulation cotton 203.
To this embodiment, the sound insulation component 201 is disposed on the mounting plate 103 near the substrate 105, and the sound insulation component 201 is used for absorbing noise generated by the voltage stabilizer body 101, so as to reduce noise and reduce noise, and minimize noise decibel value transmitted from the voltage stabilizer body 101 to the outside.
Wherein, the cover body 202 with the mounting panel 103 is dismantled and is connected, and is located and be close to base plate 105 one side, soundproof cotton 203 with cover body 202 fixed connection, and be located and be close to base plate 105 one side, the cover body 202 is used for the protection stabiliser body 101, soundproof cotton 203 is used for the noise absorption that stabiliser body 101 produced to reach the purpose of making an uproar and falling the noise, make stabiliser body 101 propagate to external noise decibel value and reach the minimum.
When the noise-absorbing sound-proof cover is used, the cover body 202 covers the voltage stabilizer body 101 and is connected with the mounting plate 103, and the sound-proof cotton 203 is used for absorbing noise generated by the voltage stabilizer body 101.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.
Claims (7)
1. A low dropout regulator comprises a regulator body, and is characterized in that,
still include the installation component, the installation component includes mounting panel, base plate and dead lever, the mounting panel has the mounting groove, the mounting groove is located mounting panel one side, the dead lever with mounting panel sliding connection just is located the mounting groove lateral wall, the base plate has the draw-in groove, just the draw-in groove with the dead lever is corresponding, the base plate with the mounting panel is dismantled and is connected, and is located in the mounting groove, the stabiliser body with base plate fixed connection just is located and keeps away from mounting panel one side.
2. The low dropout regulator of claim 1,
the mounting assembly further comprises a rotating clamp, the rotating clamp is connected with the mounting plate in a rotating mode and is located close to one side of the substrate.
3. The low dropout regulator according to claim 2,
the mounting assembly further comprises a first spring, and the first spring is fixedly connected with the mounting plate and is positioned in the mounting groove.
4. The low dropout regulator according to claim 3,
the dead lever includes slide bar and second spring, the slide bar with mounting panel sliding connection, and be located the mounting groove lateral wall, the slide bar has the arch, the arch is located keeps away from mounting panel one side, the second spring with mounting panel fixed connection, and with slide bar fixed connection, and be located the slide bar with between the mounting panel.
5. The low dropout regulator according to claim 4,
the rotating clamp comprises a rotating clamp body and a rubber pad, the rotating clamp body is rotatably connected with the mounting plate and is located close to one side of the substrate, and the rubber pad is fixedly connected with the rotating clamp body and is located close to one side of the substrate.
6. The low dropout regulator of claim 1,
the low dropout regulator further comprises a sound insulation assembly, wherein the sound insulation assembly is arranged on one side of the base plate close to the mounting plate.
7. The low dropout regulator according to claim 6,
the soundproof assembly includes the cover body and soundproof cotton, the cover body with the mounting panel is dismantled and is connected, and is located and is close to base plate one side, soundproof cotton with cover body fixed connection, and be located and be close to base plate one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867044.4U CN216956805U (en) | 2022-04-13 | 2022-04-13 | Low dropout regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220867044.4U CN216956805U (en) | 2022-04-13 | 2022-04-13 | Low dropout regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216956805U true CN216956805U (en) | 2022-07-12 |
Family
ID=82301527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220867044.4U Active CN216956805U (en) | 2022-04-13 | 2022-04-13 | Low dropout regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216956805U (en) |
-
2022
- 2022-04-13 CN CN202220867044.4U patent/CN216956805U/en active Active
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