CN205510365U - External volume control device - Google Patents
External volume control device Download PDFInfo
- Publication number
- CN205510365U CN205510365U CN201620054780.2U CN201620054780U CN205510365U CN 205510365 U CN205510365 U CN 205510365U CN 201620054780 U CN201620054780 U CN 201620054780U CN 205510365 U CN205510365 U CN 205510365U
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- Prior art keywords
- adjustment device
- volume adjustment
- box body
- light guide
- volume
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses an external volume control device comprises potentiometre (3), light guide plate (4), box body (2), mounting panel (1) and electric connector. Through the utility model discloses an external volume control device, volume control device's knob when listening to the sound of VHF1, VHF2, VOR1, VOR2 system respectively in the earphone, is adjusted in back on installing the helicopter, can adjust VHF1, VHF2, VOR1, VOR2's volume size in a flexible way and turn -off, and the drawback of the unable regulation of very high frequency system and the speech signal of VOR system on the fine solution warpout satisfies user's requirement.
Description
Technical field
This utility model belongs to Aircraft electrical domain, is specifically related to a kind of external volume adjustment device.
Background technology
In prior art, the most typically using machine to lead to control box to realize the volume adjusting in flight electronic system, JT9J (the W)-KZ type machine generally used is logical controls that box, JT-9 type machine logical control box, KMA29 audio frequency control plate is provided with volume adjusting function.
Machine in existing technology is logical controls box, can regulate 11 voice-grade channels, wherein 8 adjustable, possess the functions such as audio selection, call, Call-Control1；KMA29 audio frequency control plate has the function of audio frequency control plate and beacon receiver simultaneously, when making the use of audio frequency control plate, it can receive simultaneously, change the signal sound of 13 avionic devices and four warning sound that need not change directly to hear, it can be with five communication systems of switching emission.
Though these equipment above-mentioned can meet the function of volume adjusting, but volume adjusting is only the part of functions of this kind equipment, and other functions repeat with audio control system on machine, and the wasting of resources and cost can be caused during use to increase.
Simultaneously, very high frequency(VHF) system and the VOR system installed on helicopter are all respectively arranged with 2, it is therefore desirable to 4 independent regulation unit regulate very high frequency(VHF) 1 (VHF1), very high frequency(VHF) 2 (VHF2), VOR 1 (VOR1), the volume of VOR 2 (VOR2) respectively；Volume adjustment device needs to be arranged in the central operation board of helicopter, therefore installation to be have special requirement.
Utility model content
This utility model overcomes the deficiencies in the prior art, it is provided that the problem that a kind of volume solving helicopter very high frequency(VHF) system and VOR system cannot regulate.The function very high frequency(VHF) system and VOR system sound volume not being controlled due to the audio control system of helicopter installation, causing in actual use, the volume of very high frequency(VHF) system and VOR system can not regulate, and affects actually used, for solving the problems referred to above, need the device of a regulation volume.
Main thought of the present utility model is to increase volume adjustment device in very high frequency(VHF) system and VOR system and machine between audio control system, after the voice signal that very high frequency(VHF) system and VOR system export is adjusted by slide-changing resistor, deliver to audio control system, thus can solve very high frequency(VHF) system and problem that VOR system sound volume cannot regulate.
In view of the problems referred to above of prior art, according to disclosed in this utility model aspect, this utility model by the following technical solutions:
A kind of external volume adjustment device, is made up of potentiometer (3), light guide plate (4), box body (2), installing plate (1) and electric connector.
Described potentiometer (3), for regulating very high frequency(VHF) system and the volume of VOR system output, by changing the size of electric current in circuit, changes volume；Very high frequency(VHF) system sound volume is regulated by the potentiometer of 0～1000 Ω, and VOR system sound volume is regulated by the potentiometer of 0～10000 Ω；When connecting very high frequency(VHF) system audio holding wire, at audio signal high level end 1 slide-changing resistor of series connection；When connecting VOR system audio holding wire, 1 slide-changing resistor of connecting on 2 audio signal wires respectively, it is ensured that the resistance value of these 2 slide-changing resistor line attachments is consistent；Select to include 2 independent slide-changing resistors and the potentiometer of 2 independent switches, it is possible to disconnected by signal when volume is transferred to minimum；By the arrangement of potentiometer on volume adjustment device, it is VHF1, VOR1, VHF2, VOR2 the most respectively, controls very high frequency(VHF) 1, VOR 1, very high frequency(VHF) 2, the audio signal of VOR 2 respectively；
Described light guide plate (4), for realizing illumination and function instruction, volume adjustment device is arranged in helicopter cockpit central operation board, being equipped with light guide plate on volume adjustment device, reach lighting requirement, light guide plate illuminates not by volume adjustment device control, it is uniformly controlled by mains lighting supply on machine, reaching by the purpose of regulation unified on machine, light guide plate appearance color is unglazed black, coordinates with bench board integral color；
Described box body (2), for protecting the internal circuit of volume adjustment device, box body is made up of with semi-open box body cover plate; cover plate is connected by screw on semi-open box body; when later maintenance device, open cover plate it can be seen that circuit within device, maintain easily；Semi-open box body is formed by box part, 2 root length angle sections and 2 angle lug rivetings, and box body uses enclosed box body, is isolated with external cabling by volume adjustment device back panel wiring, and box body side cover plate is opened, it is simple to the maintenance within device；
Described installing plate (1), for fixed potential device (3), box body (2) and light guide plate (4), its installation dimension meets the requirement of bench board, uses quick-release pinning to install；
Described electric connector, connection for volume adjustment device Yu other system equipment, comprise socket and plug, and supporting tail card, socket is directly installed on volume adjustment device box body (2) by securing member, and with volume adjustment device built-in potential device (3) and light guide plate (4) wiring；Plug is as the matching component of volume adjustment device.
By external volume adjustment device of the present utility model, after being installed on helicopter, when listening to the sound of VHF1, VHF2, VOR1, VOR2 system in earphone respectively, the knob of regulation volume adjustment device, can be with flexible VHF1, the volume of VHF2, VOR1, VOR2 and turn off.
Accompanying drawing explanation
Fig. 1 shows volume adjustment device assembling figure.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 shows volume adjustment device knob circuit theory.
Fig. 4 shows potentiometer and the circuit theory on machine.
Fig. 5 shows light guide plate and lighting circuit principle on machine.
Fig. 6 shows volume adjustment device line graph.
Fig. 7 shows light guide plate front view.
Fig. 8 shows light guide plate A direction view.
Fig. 9 shows light guide plate side view.
Figure 10 shows light guide plate back view.
Figure 11 shows the A-A view of Figure 10.
Figure 12 shows the B-B view of Figure 10.
Figure 13 shows box shape figure.
Figure 14 shows installing plate front view.
Figure 15 shows installing plate top view.
Figure 16 shows installing plate side view.
Figure 17 shows volume adjustment device profile front view.
Figure 18 shows volume adjustment device profile top view.
Figure 19 shows volume adjustment device profile side view.
Figure 20 shows volume adjustment device profile A direction view.
Figure 21 shows volume adjustment device profile axonometric chart.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Volume adjustment device assembling figure is shown in Fig. 1-2, and in figure, 1 is installing plate, and 2 is box body, and 3 is potentiometer, and 4 is light guide plate, and 5 is knob, and 6 is socket, and 7 is cover plate, and 8 is nameplate.Arrangement according to 4 potentiometers and wiring relation, paste relevant position, the installing plate back side by electric label；Installing plate is connected with box body screw, self-locking nut, should ensure that box body install at cover plate with potentiometer weld pin in the same side；According to line graph, respective wire is welded on potentiometer pin, then potentiometer is carried securing member is fixed on installing plate by it；Knob is fixed on the axle of potentiometer；According to line graph, wire is received on socket, socket screw, packing ring, self-locking nut are fixed on box body, and near tray interior socket, paste the electric label of socket；By light guide plate illumination pigtail by the wire via on installing plate, then with screw, rubber cushion rubber, light guide plate is fixed on installing plate；Secure the lid on box part with screw；Finally stick the nameplate of volume adjustment device.
Volume adjustment device knob circuit theory is shown in that Fig. 3, knob circuit include two potentiometers and two switches.The circuit theory that potentiometer is connected with audio signal on machine is shown in Fig. 4, as a example by the volume adjusting of VHF1, potentiometer starts to rotate from original position 0 °, when being threaded to 20 °, switch Guan Bi on potentiometer, circuit connects VHF1 audio signal, and now potentiometer accesses the resistance maximum of circuit so that the outfan volume of VHF1 is minimum；Continuing to rotate, the resistance accessing circuit tapers into so that the outfan volume of VHF1 becomes larger；When being screwed into potentiometer electricity extreme limit of travel 220 °, the resistance accessing circuit is minimum (no more than 2 Ω), and now the outfan volume of VHF1 basically reaches the volume of input.Light guide plate is shown in Fig. 5 with lighting circuit principle on machine, and light guide plate illuminates not by volume adjustment device control, mains lighting supply on machine be uniformly controlled, and reaches by the purpose of regulation unified on machine.
Volume adjustment device line graph of the present utility model is shown in Fig. 6, and in figure, 36R, 37R, 38R, 39R are the electric code name of potentiometer, and 40R is the electric code name of volume adjustment device socket, and 41R is the electric code name of light guide plate.
Light guide plate profile is shown in Fig. 7-12, and in front view, in the middle of light guide plate, 4 shoulder holes are for potentiometer via；Top eyebrow shape is designated volume instruction, for white；Shoulder hole in the middle of both sides is the screw hole installing light guide plate；Chinese and English character are the instructions of volume adjustment device and knob, and character stroke is not painted, and when connecting illumination, light is appeared by character.
Box shape is shown in Figure 13, and in figure, 71 is cover plate；72 is sunk screw, totally 4；73 is box part；74 is long angle section, totally 2；75 is angle lug, totally 2.Circular hole on 73 box parts and 4 apertures of periphery thereof, install for volume adjustment device socket；4 plate nuts are riveted altogether, for securing cover plate on long angle section；2 plate nuts are riveted altogether, for lightguide plate fixing on angle lug.
Installing plate profile is shown in Figure 14-16, and in figure, 81 is potentiometer installing hole, is used for installing potentiometer, totally 4；82 is screw hole, is connected with box body by installing plate with screw；83 is screw via, light guide plate, installing plate, box body is connected with screw；84 is quick-release pinning, mounts a device onto on bench board；85 is light guide plate lighting lead via.
Volume adjustment device outline drawing is shown in Figure 17-21.
The using method of volume adjustment device comprises the following steps:
1) volume adjustment device is completed；
2) very high frequency(VHF) and audio wire, the wire receiving audio control system and the lighting lead of the output of VOR system on helicopter, lay to volume adjustment device installation site on bench board, the wiring diagram of corresponding diagram 5, receives on the matched plug of volume adjustment device；
3) plug is received on the socket of volume adjustment device, mount a device onto on bench board；
4) powering up on aircraft, mains lighting supply on joining machine, it can be seen that the character on volume adjustment device light guide plate brightens, disconnect mains lighting supply, character is dimmed；
5) 4 potentiometer knobs are threaded to centre position；
6) audio control system on joining machine, selects VHF1 voice-grade channel；Connect the power supply of VHF1 so that it is normally work, select arbitrary broadcasting channel, make earphone is heard broadcast.Now rotating the knob of VHF1 on volume adjustment device, the sound size variation in earphone is consistent with the volume instruction of VHF1 on device, and when being threaded to "Off", the broadcast in earphone disappears, and illustrates that volume adjustment device has been turned off VHF1 audio signal；
7) selecting VHF2, VOR1, VOR2 equally, select respective audio passage, operate corresponding potentiometer knob, effect is consistent with VHF1.
Being embodied as according on machine, this volume adjustment device well solves the drawback that on machine, very high frequency(VHF) system and VOR system voice signal cannot regulate, and meets the requirement of user, it is achieved the initial purpose of design.
Claims (1)
1. an external volume adjustment device, it is characterised in that by potentiometer (3), light guide plate (4),
Box body (2), installing plate (1) and electric connector composition；
Described potentiometer (3), for regulating very high frequency(VHF) system and the volume of VOR system output, passes through
Change the size of electric current in circuit, change volume；Very high frequency(VHF) system sound volume is by the current potential of 0～1000 Ω
Device regulates, and VOR system sound volume is regulated by the potentiometer of 0～10000 Ω；Connect very high frequency(VHF) system audio signal
During line, at audio signal high level end 1 slide-changing resistor of series connection；When connecting VOR system audio holding wire,
1 slide-changing resistor of series connection on 2 audio signal wires respectively, it is ensured that these 2 slide-changing resistor line attachments
Resistance value is consistent；Select to include 2 independent slide-changing resistors and the potentiometer of 2 independent switches, it is possible to
Volume is transferred to during minimum disconnect signal；By the arrangement of potentiometer on volume adjustment device, from left to right distinguish
It is VHF1, VOR1, VHF2, VOR2, controls very high frequency(VHF) 1, VOR 1, very high frequency(VHF) 2, VOR 2 respectively
Audio signal；
Described light guide plate (4), is used for realizing illumination and function instruction, and volume adjustment device is arranged on helicopter
On mid-cockpit console, volume adjustment device is equipped with light guide plate, reaches lighting requirement, light guide plate
Illumination, not by volume adjustment device control, is uniformly controlled by mains lighting supply on machine, reaches by regulation unified on machine
Purpose, light guide plate appearance color is unglazed black, with bench board integral color coordinate；
Described box body (2), for protecting the internal circuit of volume adjustment device, box body by cover plate with semi-open
Box body forms, and cover plate is connected by screw on semi-open box body, when later maintenance device, opens cover plate
It can be seen that the circuit within device, maintain easily；Semi-open box body is by box part, 2 root length angle sections and 2
Angle lug riveting forms, and box body uses enclosed box body, by volume adjustment device back panel wiring and external cabling every
From, box body side cover plate is opened, it is simple to the maintenance within device；
Described installing plate (1), for fixed potential device (3), box body (2) and light guide plate (4), its
Installation dimension meets the requirement of bench board, uses quick-release pinning to install；
Described electric connector, for the connection of volume adjustment device Yu other system equipment, comprises socket and inserts
Head, and supporting tail card, socket is directly installed on volume adjustment device box body (2) by securing member, and
With volume adjustment device built-in potential device (3) and light guide plate (4) wiring；Plug is as volume adjustment device
Matching component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054780.2U CN205510365U (en) | 2016-01-20 | 2016-01-20 | External volume control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054780.2U CN205510365U (en) | 2016-01-20 | 2016-01-20 | External volume control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205510365U true CN205510365U (en) | 2016-08-24 |
Family
ID=56723145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620054780.2U Expired - Fee Related CN205510365U (en) | 2016-01-20 | 2016-01-20 | External volume control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205510365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771179A (en) * | 2017-05-29 | 2020-02-07 | 铁三角有限公司 | Signal processing device |
| CN113992223A (en) * | 2021-10-29 | 2022-01-28 | 江西扬声电子有限公司 | Built-in conversation system based on microphone array noise reduction |
-
2016
- 2016-01-20 CN CN201620054780.2U patent/CN205510365U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771179A (en) * | 2017-05-29 | 2020-02-07 | 铁三角有限公司 | Signal processing device |
| CN113992223A (en) * | 2021-10-29 | 2022-01-28 | 江西扬声电子有限公司 | Built-in conversation system based on microphone array noise reduction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20180120 |