CN206533544U - A kind of professional power amplifier of two passages - Google Patents
A kind of professional power amplifier of two passages Download PDFInfo
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- CN206533544U CN206533544U CN201720304464.0U CN201720304464U CN206533544U CN 206533544 U CN206533544 U CN 206533544U CN 201720304464 U CN201720304464 U CN 201720304464U CN 206533544 U CN206533544 U CN 206533544U
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- power amplifier
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- rotating shaft
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Abstract
The utility model discloses a kind of professional power amplifier of two passage, including power amplifier main body, the power amplifier main body front is provided with vent window, mounting hole, adjusting knob and rotating shaft, rotating shaft lower end connecting cover plate, the cover plate medial surface is provided with putting hole and standing groove, dual-axle motor is additionally provided with the middle part of the rotating shaft, the cover plate outer surface is provided with battery and single-pole double-throw switch (SPDT).Beneficial effect is：Two passage specialty power amplifier adds the cover plate on the outside of the vent window, when it is not in use, single-pole double-throw switch (SPDT) can be operated to control cover plate to close to block vent window, effectively prevent dust from entering inside power amplifier, it ensure that the radiating efficiency in the power amplifier course of work, service life is extended, practicality is good.
Description
Technical field
The utility model is related to power amplifier field, more particularly to a kind of professional power amplifier of two passages.
Background technology
Power amplifier abbreviation power amplifier, is commonly called as " sound amplifier ", is most basic equipment in sound system, its task is handle
Ultra-weak electronic signal from signal source (being then to come from sound console in professional sound system) is amplified to be sent with drive the speaker
Sound.Therefore apply quite varied in daily life, still, traditional power amplifier, especially two passages specialty power amplifier are in reality
Some problems are still suffered from during use.Such as in the market the professional power amplifier of common two passages due to its power it is high, therefore one
As be used for the larger place of spatial area, such as conference hall, multifunctional hall etc., its frequency of use usually is not high in addition, therefore two-way
Road specialty power amplifier is placed for a long time can be full of dust inside back cabinet, the radiating in the influence power amplifier course of work, for above-mentioned feelings
Condition, can design a kind of professional power amplifier of two new passages to solve the above problems.
Utility model content
The purpose of this utility model is that provides a kind of two passage professional power amplifier to solve the above problems.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of professional power amplifier of two passages, including power amplifier main body, the power amplifier main body front be provided with vent window, mounting hole,
Adjusting knob and rotating shaft, rotating shaft lower end connecting cover plate, the cover plate medial surface are provided with putting hole and standing groove, described turn
Dual-axle motor is additionally provided with the middle part of axle, the cover plate outer surface is provided with battery and single-pole double-throw switch (SPDT).
In order to further improve the practicality of the professional power amplifier of two passages, the installation hole number has four, respectively positioned at institute
The positive both sides upper and lower ends of power amplifier main body are stated, the vent window is located at the power amplifier main body front upper portion, the adjusting knob number
Amount has two, is respectively positioned on the power amplifier main body front.
In order to further improve the practicality of the professional power amplifier of two passages, the rotating shaft is arranged on institute by bearing and bearing block
Power amplifier main body positive lower end both sides are stated, the cover plate is fixedly connected with rotating shaft side, and the cover plate is L-type plate, its height
It is equal with the height of the power amplifier main body.
In order to further improve the practicality of the professional power amplifier of two passages, the placement hole number has two, respectively with two
The adjusting knob is corresponding, and its aperture is more than the diameter of the adjusting knob, and is blind hole.
In order to further improve the practicality of the professional power amplifier of two passages, the standing groove is square groove, its groove depth with it is described
The thickness of cover plate is equal, and the dual-axle motor is located in the standing groove and is fixedly connected by support with the power amplifier main body,
The output shaft at its two ends is also fixedly connected with the rotating shaft respectively.
In order to further improve the practicality of the professional power amplifier of two passages, the number of batteries has two pieces, respectively with described pair
Spindle motor and single-pole double-throw switch (SPDT) electrical connection, the battery front side are additionally provided with charging inlet and charging indicator light.
In order to further improve the practicality of the professional power amplifier of two passages, the cover plate lateral surface is additionally provided with power switch,
Relay indicating light is inlaid with the power switch.
Beneficial effect is：Two passage specialty power amplifier adds the cover plate on the outside of the vent window, when it does not make
Used time, single-pole double-throw switch (SPDT) can be operated to control cover plate to close and block vent window, effectively prevent dust from entering inside power amplifier, protect
The radiating efficiency in the power amplifier course of work has been demonstrate,proved, service life is extended, practicality is good.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the professional power amplifier of two passage described in the utility model；
Fig. 2 is a kind of front view of the professional power amplifier of two passage described in the utility model.
Description of reference numerals is as follows：
1st, power amplifier main body；2nd, vent window；3rd, mounting hole；4th, adjusting knob；5th, cover plate；6th, rotating shaft；7th, putting hole；8th, twin shaft
Motor；9th, support；10th, standing groove；11st, battery；12nd, charging inlet；13rd, charging indicator light；14th, power switch；15th, work refers to
Show lamp；16th, single-pole double-throw switch (SPDT).
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 2, a kind of professional power amplifier of two passage, including power amplifier main body 1, the front of power amplifier main body 1 is provided with logical
Air regulator 2, mounting hole 3, adjusting knob 4 and rotating shaft 6, vent window 2 are used for ventilation and heat in the power amplifier course of work, and mounting hole 3 is used for
Power amplifier is arranged in mounting seat, rotating shaft 6 is used for connecting cover plate 5 and drives cover plate 56 rotation, the lower end connection cover of rotating shaft 6 around the shaft
Plate 5, cover plate 5 is used to block power amplifier front, when power amplifier does not work, can be sheltered from cover plate 5, prevent dust from vent window 2
Into inside power amplifier, the medial surface of cover plate 5 is provided with putting hole 7 and standing groove 10, and putting hole 7 is used to place adjusting knob 4, it is ensured that
Cover plate 5 is in close contact with power amplifier front, and the middle part of rotating shaft 6 is additionally provided with dual-axle motor 8, and dual-axle motor 8 is used to drive rotating shaft 6 and lid
6 rotation around the shaft of plate 5, the outer surface of cover plate 5 is provided with battery 11 and single-pole double-throw switch (SPDT) 16, and single-pole double-throw switch (SPDT) 16 is used to control
The rotating of dual-axle motor 8 processed, realizes on the automatic cover of cover plate 5 or opens.
In order to further improve the practicality of the professional power amplifier of two passages, the quantity of mounting hole 3 has four, respectively positioned at power amplifier master
The positive both sides upper and lower ends of body 1, vent window 2 is located at the front upper portion of power amplifier main body 1, and the quantity of adjusting knob 4 has two, is respectively positioned on work(
The front of main body 1 is put, rotating shaft 6 is arranged on the positive lower end of power amplifier main body 1 both sides, cover plate 5 and the side of rotating shaft 6 by bearing and bearing block
It is fixedly connected, cover plate 5 is L-type plate, its height is equal with the height of power amplifier main body 1, and the quantity of putting hole 7 there are two, respectively with two
Individual adjusting knob 4 is corresponding, and its aperture is more than the diameter of adjusting knob 4, and is blind hole, and standing groove 10 is square groove, its groove
Deep equal with the thickness of cover plate 5, dual-axle motor 8 is located in standing groove 10 and is fixedly connected by support 9 with power amplifier main body 1, its
The output shaft at two ends is also fixedly connected with rotating shaft 6 respectively, and the quantity of battery 11 has two pieces, respectively with dual-axle motor 8 and single-pole double throw
Switch 16 is electrically connected, and the front of battery 11 is additionally provided with charging inlet 12 and charging indicator light 13, and the lateral surface of cover plate 5 is additionally provided with electricity
Relay indicating light 15 is inlaid with source switch 14, power switch 14.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model.Scope is claimed in the utility model
Defined by appended claims and its effect thing.
Claims (7)
1. a kind of professional power amplifier of two passage, including power amplifier main body, it is characterised in that：The power amplifier main body front is provided with ventilation
Window, mounting hole, adjusting knob and rotating shaft, rotating shaft lower end connecting cover plate, the cover plate medial surface are provided with putting hole and put
Put and be additionally provided with dual-axle motor in the middle part of groove, the rotating shaft, the cover plate outer surface is provided with battery and single-pole double-throw switch (SPDT).
2. the professional power amplifier of a kind of two passage according to claim 1, it is characterised in that：The installation hole number has four,
It is located at the positive both sides upper and lower ends of the power amplifier main body respectively, the vent window is located at the power amplifier main body front upper portion, described
Adjusting knob quantity has two, is respectively positioned on the power amplifier main body front.
3. the professional power amplifier of a kind of two passage according to claim 1, it is characterised in that：The rotating shaft passes through bearing and bearing
Seat is arranged on the power amplifier main body positive lower end both sides, and the cover plate is fixedly connected with rotating shaft side, and the cover plate is L-type
Plate, its height is equal with the height of the power amplifier main body.
4. the professional power amplifier of a kind of two passage according to claim 1, it is characterised in that：The placement hole number has two,
Corresponding with two adjusting knobs respectively, its aperture is more than the diameter of the adjusting knob, and is blind hole.
5. the professional power amplifier of a kind of two passage according to claim 1, it is characterised in that：The standing groove is square groove, its
Groove depth is equal with the thickness of the cover plate, and the dual-axle motor is located in the standing groove and passes through support and the power amplifier main body
It is fixedly connected, the output shaft at its two ends is also fixedly connected with the rotating shaft respectively.
6. the professional power amplifier of a kind of two passage according to claim 1, it is characterised in that：The number of batteries has two pieces, point
Do not electrically connected with the dual-axle motor and the single-pole double-throw switch (SPDT), the battery front side is additionally provided with charging inlet and charging refers to
Show lamp.
7. the professional power amplifier of a kind of two passage according to claim 1, it is characterised in that：The cover plate lateral surface is additionally provided with
Relay indicating light is inlaid with power switch, the power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304464.0U CN206533544U (en) | 2017-03-27 | 2017-03-27 | A kind of professional power amplifier of two passages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304464.0U CN206533544U (en) | 2017-03-27 | 2017-03-27 | A kind of professional power amplifier of two passages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206533544U true CN206533544U (en) | 2017-09-29 |
Family
ID=59914936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720304464.0U Active CN206533544U (en) | 2017-03-27 | 2017-03-27 | A kind of professional power amplifier of two passages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206533544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922392A (en) * | 2019-03-14 | 2019-06-21 | 安徽天兵电子科技股份有限公司 | A kind of double-form amplifirer |
-
2017
- 2017-03-27 CN CN201720304464.0U patent/CN206533544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922392A (en) * | 2019-03-14 | 2019-06-21 | 安徽天兵电子科技股份有限公司 | A kind of double-form amplifirer |
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