CN206212261U - A kind of display control unit of audio-frequency power amplifier - Google Patents

A kind of display control unit of audio-frequency power amplifier Download PDF

Info

Publication number
CN206212261U
CN206212261U CN201621316355.2U CN201621316355U CN206212261U CN 206212261 U CN206212261 U CN 206212261U CN 201621316355 U CN201621316355 U CN 201621316355U CN 206212261 U CN206212261 U CN 206212261U
Authority
CN
China
Prior art keywords
audio
power amplifier
group
control unit
push button
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621316355.2U
Other languages
Chinese (zh)
Inventor
唐晓明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Huiming Electronic Technology Co Ltd
Original Assignee
Foshan Huiming Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Huiming Electronic Technology Co Ltd filed Critical Foshan Huiming Electronic Technology Co Ltd
Priority to CN201621316355.2U priority Critical patent/CN206212261U/en
Application granted granted Critical
Publication of CN206212261U publication Critical patent/CN206212261U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Amplifiers (AREA)

Abstract

The utility model provides a kind of display control unit of audio-frequency power amplifier, including:Body;Front-seat panel installed in body front end and the heel row panel installed in body rear end, heat dissipation grid is installed on front-seat panel, the side of heat dissipation grid is provided with display screen, the side of display screen is each provided with control handle, the side of left and right two of heel row panel is each provided with a radiator fan, COBBAIF group is installed on the right side of left end side radiator fan, switching push button group is provided with the right side of COBBAIF group, the right side of switching push button group sets audio amplifier connectivity port group.The display control unit of this audio-frequency power amplifier can intuitively show operating temperature, passage volume and the music level of power amplifier by the display screen on front-seat panel, so that staff carries out accurate adjustment according to above-mentioned data, the cooperation of two independent radiator fans and heat dissipation grid on front-seat panel, can efficiently reduce the temperature rise of component in power amplifier simultaneously.

Description

A kind of display control unit of audio-frequency power amplifier
Technical field
The utility model belongs to multimedia equipment technical field, and in particular to a kind of display control of audio-frequency power amplifier Device.
Background technology
Power amplifier abbreviation power amplifier, is commonly called as " sound amplifier ", is most basic equipment in sound system, and its task is handle Ultra-weak electronic signal from signal source (being then from sound console in professional sound system) is amplified and is sent with drive the speaker Sound.
The effect of power amplifier is exactly, the small signals amplification from source of sound or pre-amplifier, to promote audio amplifier sound reproduction.It is a set of good The effect of good sound system power amplifier is performed meritorious deeds never to be obliterated.
Power amplifier, it may be said that be a family of maximum in all kinds of sound appliances, its effect is mainly defeated by source of sound equipment Enter after relatively small-signal is amplified, producing sufficiently large electric current to be pushed to loudspeaker carries out the playback of sound.Due to considering Power, impedance, distortion, dynamic and different use scope and function is controlled to adjust, at different power amplifier signal internally Reason, circuit design and produce also different in technique.
Power amplifier common at present typically shows the working condition of each passage of power amplifier using indicator lamp, such as using scattered Thermal light shows the heat dispersal situations of power amplifier, once the operating temperature of power amplifier exceedes design temperature, indicator lamp is just by green light It is transformed into red light, and for example music level is shown using the indicator lamp using multiple different colours, when musical electric prosposition is in not same district The indicator lamp of correspondence different colours during domain.It is this kind of that the working condition that all cannot intuitively show each passage of power amplifier is set, especially It is for some the less personnel of specialty, to go the working condition for understanding power amplifier relatively difficult by indicator lamp.And, it is general Logical power amplifier is general only with single channel radiating, i.e., independent radiating is carried out using a radiator fan, with power amplifier function Enhancing, the quantity of component is on the increase in power amplifier, and single channel radiating can not increasingly meet wanting for power amplifier radiating Ask, it is easy to cause power amplifier too high due to operating temperature, cause power amplifier cisco unity malfunction.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of display control unit of audio-frequency power amplifier, The display control unit of this audio-frequency power amplifier, can be intuitively by setting an independent display screen on front-seat panel The working condition of power amplifier is shown, while by setting two independent heat dissipation channels, it is ensured that the radiating efficiency of power amplifier.
To realize above-mentioned technical proposal, the utility model provides a kind of display control unit of audio-frequency power amplifier, Including:Body;Front-seat panel installed in body front end and the heel row panel installed in body rear end, on the front-seat panel Heat dissipation grid is installed, the side of the heat dissipation grid is provided with display screen, and the left and right sides of the display screen is each provided with one Individual control handle, the side of left and right two of the heel row panel is each provided with a radiator fan, the right side of left end side radiator fan Side is provided with COBBAIF group, and switching push button group, the right side of the switching push button group are provided with the right side of the COBBAIF group Audio amplifier connectivity port group is set, and the lower right corner of audio amplifier connectivity port group is provided with power input interface.
Preferably, the display screen is chromatic liquid crystal screen, the sound that the center of the display screen be arranged in parallel for twice Happy level lamp viewing area, the lower left corner and the lower right corner of the music level lamp viewing area are operating temperature viewing area, the sound The left and right sides in the middle part of happy level lamp viewing area is passage volume digital display area.
In the above-mentioned technical solutions, can be with numeral by the operating temperature viewing area of the display screen on front-seat panel Temperature when intuitively showing that power amplifier works, intuitively refers to be provided to staff;Simultaneously by front-seat panel Display screen passage volume digital display area can with numeral intuitively show power amplifier each using channels operation when volume Size;The height of music level in the power amplifier course of work can be more intuitively observed by music level lamp viewing area, So that staff carries out accurate adjustment according to above-mentioned data.Simultaneously by being arranged on two independent radiation airs on heel row panel The cooperation of heat dissipation grid, can efficiently reduce the temperature rise of component in power amplifier, it is ensured that power amplifier on fan and front-seat panel Normal operation.
Preferably, the switching push button group includes that the ground connection switching push button being arranged side by side successively from top to bottom, sensitivity are cut Change button, low pass/straight-through switching push button and mode switch button.This power amplifier is provided with three kinds of stereo, bridge road and monophonic Mode of operation, the random switching in three kinds of mode of operations can be realized by mode switch button;Simultaneously by low pass/straight-through Switching push button can switch the frequency of audio input and output;Can be turned on or off according to the working environment of power amplifier in addition Ground connection switching push button, when circuit noise is smaller open ground connection switching push button, it is ensured that the safe operation of power amplifier, when circuit noise compared with Ground connection switching push button is closed when big.
Preferably, the COBBAIF group include the audio output interface of about two parallel arrangeds and about two it is parallel The audio input interface of arrangement.Consequently, it is possible to interference will not be produced between facilitating two independent audios.
Preferably, ground terminal is installed between the COBBAIF group and audio amplifier connectivity port group, to prevent power amplifier Shell, power distribution equipment framework it is powered jeopardize the person and equipment safety.
Preferably, overload protective device is installed above the power input interface, prevents electric current excessive, equipment is caused Adverse effect.
Preferably, power switch is also equipped with the front-seat panel, to facilitate the keying of this power amplifier.
Preferably, the two ends of the heel row panel are mounted on hangers, and installation screw is provided with the hangers.In reality Use during, the installation of this power amplifier is facilitated by hangers.
A kind of beneficial effect of display control unit of audio-frequency power amplifier that the utility model is provided is:
1) the work temperature that the display control unit of this audio-frequency power amplifier passes through the display screen on front-seat panel Degree viewing area can intuitively show temperature during power amplifier work with numeral, intuitively be referred to be provided to staff;Together When by the passage volume digital display area of the display screen on front-seat panel intuitively can show power amplifier with numeral, and each is used Volume during channels operation;The power amplifier course of work can more intuitively be observed by music level lamp viewing area The height of middle music level, so that staff carries out accurate adjustment according to above-mentioned data;
2) display control unit of this audio-frequency power amplifier is by being arranged on two independent radiation airs on heel row panel The cooperation of heat dissipation grid, can efficiently reduce the temperature rise of component in power amplifier, it is ensured that power amplifier on fan and front-seat panel Normal operation;
3) display control unit of this audio-frequency power amplifier uses 2 inches of 65.5K pixel color liquid crystal displays, menu circle The full touch control operation in face, Chinese and English is optional, succinct directly perceived, and by control handle control, it is easy to operate simple.
Brief description of the drawings
Fig. 1 is stereochemical structure front view of the present utility model.
Fig. 2 is stereochemical structure rearview of the present utility model.
Fig. 3 is the display schematic diagram of display screen in the utility model.
In figure:11st, power switch;12nd, display screen;121st, operating temperature viewing area;122nd, passage volume digital display area; 123rd, music level lamp viewing area;13rd, control handle;14th, heat dissipation grid;21st, COBBAIF group;22nd, sensitivity switching push button; 23rd, mode switch button;24th, low pass/straight-through switching push button;25th, it is grounded switching push button;26th, audio amplifier connectivity port group;27th, mistake Carry protector;28th, power input interface;29th, ground terminal;30th, radiator fan;31st, hangers.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clear, complete description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.The every other embodiment that this area ordinary person is obtained under the premise of creative work is not made, belongs to Protection domain of the present utility model.
Embodiment:A kind of display control unit of audio-frequency power amplifier.
Referring to figs. 1 to shown in Fig. 3, a kind of display control unit of audio-frequency power amplifier, including:Body;Installed in machine The front-seat panel of body front end and the heel row panel installed in body rear end, heat dissipation grid 14 is provided with the front-seat panel, The side of the heat dissipation grid 14 is provided with display screen 12, and the left and right sides of the display screen 12 is each provided with a control handle 13, the display screen 12 uses 2 inches of 65.5K pixel color liquid crystal displays, and the full touch control operation of menu interface, Chinese and English is optional, It is succinct directly perceived, and controlled by control handle 13, it is easy to operate simple;The side of left and right two of the heel row panel is each provided with One radiator fan 30, by setting the cooperation of heat dissipation grid 14 on two independent radiator fans 30 and front-seat panel, can be with The efficient temperature rise for reducing component in power amplifier, it is ensured that the normal operation of power amplifier;The right side peace of left end side radiator fan 30 Equipped with COBBAIF group 21, the input of different audios can be realized by COBBAIF group 21;The right side of the COBBAIF group 21 Side is provided with switching push button group, and random switching of this power amplifier under different working modes can be realized by switching push button group; The right side of the switching push button group sets audio amplifier connectivity port group 26, and this power amplifier can be realized by audio amplifier connectivity port group 26 Connection between machine and multiple audio amplifiers, the lower right corner of audio amplifier connectivity port group 26 is provided with power input interface 28.
Shown in reference picture 3, the display screen 12 uses 2 inches of 65.5K pixel color liquid crystal displays, the display screen 12 Hit exactly the music level lamp viewing area 123 being be arranged in parallel for twice, the lower left corner and bottom right of the music level lamp viewing area 123 Angle is operating temperature viewing area 121, and the left and right sides at the middle part of the music level lamp viewing area 123 is passage volume numeral Viewing area 122.Temperature during power amplifier work can be intuitively shown with numeral by operating temperature viewing area 121, to give work Make personnel's offer intuitively to refer to;Each makes intuitively can to show power amplifier with numeral by passage volume digital display area 122 Volume during with channels operation;Can more intuitively observe that power amplifier works by music level lamp viewing area 123 During music level height, so that staff carries out accurate adjustment according to above-mentioned data.
Shown in reference picture 2, the switching push button group includes the ground connection switching push button 25, the spirit that are arranged side by side successively from top to bottom Sensitivity switching push button 22, low pass/straight-through switching push button 24 and mode switch button 23.This power amplifier is provided with stereo, bridge road With three kinds of mode of operations of monophonic, the random switching in three kinds of mode of operations can be realized by mode switch button 23;Together When can switch the frequency of audio input and output by low pass/straight-through switching push button 24;In addition can be according to the work of power amplifier It is turned on or off being grounded switching push button 25 as environment, ground connection switching push button 25 is opened when circuit noise is smaller, it is ensured that power amplifier Safe operation, when circuit noise is larger close ground connection switching push button 25.
Shown in reference picture 2, the COBBAIF group 21 includes the audio output interface of about two parallel arrangeds and two The audio input interface of upper and lower parallel arranged.Thus, it is ensured that will not produce interference between two independent audios.
Shown in reference picture 2, ground terminal 29 is installed between the COBBAIF group 21 and audio amplifier connectivity port group 26, with Prevent the shell or power distribution equipment of power amplifier it is powered jeopardize the person and equipment safety.
Shown in reference picture 2, the top of the power input interface 28 is provided with overload protective device 27, prevents electric current excessive, Equipment is adversely affected.
Shown in reference picture 1, power switch 11 is also equipped with the front-seat panel, to facilitate the keying of this power amplifier.
Shown in reference picture 1, the two ends of the heel row panel are mounted on hangers 31, and installation spiral shell is provided with the hangers 31 Hole.During actual use, the installation of this power amplifier is facilitated by hangers 31.
The above be preferred embodiment of the present utility model, but the utility model should not be limited to the embodiment and Accompanying drawing disclosure of that, so every do not depart from the lower equivalent or modification for completing of spirit disclosed in the utility model, all falls Enter the scope of the utility model protection.

Claims (8)

1. a kind of display control unit of audio-frequency power amplifier, including:Body;Installed in body front end front-seat panel and Installed in the heel row panel of body rear end, it is characterised in that:Heat dissipation grid, the heat dissipation grid are installed on the front-seat panel Side display screen is installed, the left and right sides of the display screen is each provided with a control handle, a left side for the heel row panel Right two sides are each provided with a radiator fan, and COBBAIF group, the audio are provided with the right side of left end side radiator fan Switching push button group is provided with the right side of interface group, the right side of the switching push button group sets audio amplifier connectivity port group, the audio amplifier The lower right corner of connectivity port group is provided with power input interface.
2. the display control unit of audio-frequency power amplifier as claimed in claim 1, it is characterised in that:The display screen is coloured silk Dichroic liquid crystal display screen, the music level lamp viewing area that the center of the display screen be arranged in parallel for twice, the music level lamp The lower left corner and the lower right corner of viewing area are operating temperature viewing area, and the left and right sides in the middle part of the music level lamp viewing area is equal It is passage volume digital display area.
3. the display control unit of audio-frequency power amplifier as claimed in claim 1, it is characterised in that:The switching push button group Including the ground connection switching push button, sensitivity switching push button, low pass/straight-through switching push button and the pattern that are arranged side by side successively from top to bottom Switching push button.
4. the display control unit of audio-frequency power amplifier as claimed in claim 1, it is characterised in that:The COBBAIF group Including about two audio output interfaces and about two audio input interfaces of parallel arranged of parallel arranged.
5. the display control unit of audio-frequency power amplifier as claimed in claim 1, it is characterised in that:The COBBAIF group Ground terminal is installed between the group of audio amplifier connectivity port.
6. the display control unit of audio-frequency power amplifier as claimed in claim 1, it is characterised in that:The power input connects The top of mouth is provided with overload protective device.
7. the display control unit of the audio-frequency power amplifier as described in claim 1-6 is any, it is characterised in that:The front row Power switch is also equipped with panel.
8. the display control unit of the audio-frequency power amplifier as described in claim 1-6 is any, it is characterised in that:The heel row Panel or so two ends are provided with hangers, and installation screw is provided with the hangers.
CN201621316355.2U 2016-12-02 2016-12-02 A kind of display control unit of audio-frequency power amplifier Active CN206212261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621316355.2U CN206212261U (en) 2016-12-02 2016-12-02 A kind of display control unit of audio-frequency power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621316355.2U CN206212261U (en) 2016-12-02 2016-12-02 A kind of display control unit of audio-frequency power amplifier

Publications (1)

Publication Number Publication Date
CN206212261U true CN206212261U (en) 2017-05-31

Family

ID=58751213

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621316355.2U Active CN206212261U (en) 2016-12-02 2016-12-02 A kind of display control unit of audio-frequency power amplifier

Country Status (1)

Country Link
CN (1) CN206212261U (en)

Similar Documents

Publication Publication Date Title
CN203734783U (en) Compact type network set top box
CN206212261U (en) A kind of display control unit of audio-frequency power amplifier
CN208725088U (en) Comprehensive control maneuvering platform
CN203733443U (en) Double-faced video advertising machine of microprocessor Z3740
TW201539434A (en) Display system generating visual effect based on audio content
CN202975921U (en) Evidence obtaining and analyzing special computer
CN203590305U (en) Meeting place control host
CN210183436U (en) HDMI audio separator
CN207911012U (en) A kind of power amplifier that built-in loudspeaker can be monitored
CN203340286U (en) Automatic switching device of sound mode
CN207588809U (en) A kind of power amplifier
CN207910790U (en) A kind of intelligent broadcast control system
CN206506694U (en) A kind of four-way stereophone dispenser system
TWI273411B (en) Switch device
CN218829956U (en) Public broadcasting system equipment with automatic heat dissipation function
CN107467889A (en) Comprehensive control maneuvering platform
CN210295900U (en) Decoder of integrated mobile disc player
CN202502443U (en) Multifunctional display
CN210579235U (en) Light customized multifunctional layout digital reverberation KTV power amplifier
CN203012331U (en) Intelligent mini projector with touch control
CN203366197U (en) Novel computer display
CN207731568U (en) A kind of LED display of induction passenger flow
CN217883695U (en) Multifunctional data acquisition unit
CN208210258U (en) One kind can remote control and regulation type active audio amplifier
CN217821572U (en) KVM switching device supporting hot key function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant