CN207321730U - A kind of power amplifier of train broadcast transmitter - Google Patents
A kind of power amplifier of train broadcast transmitter Download PDFInfo
- Publication number
- CN207321730U CN207321730U CN201721280393.1U CN201721280393U CN207321730U CN 207321730 U CN207321730 U CN 207321730U CN 201721280393 U CN201721280393 U CN 201721280393U CN 207321730 U CN207321730 U CN 207321730U
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- cabinet
- broadcast transmitter
- connecting pole
- train
- 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.)
- Expired - Fee Related
Links
Abstract
It the utility model is related to train apparatus technical field, in particular a kind of power amplifier of train broadcast transmitter, including power amplifier cabinet and the power amplifier installed in power amplifier cabinet inside, some radiator fans that are vertical and uniformly equidistantly arranging are installed, the opposite side of power amplifier cabinet is provided with ventilating heat dissipating hole, filter screen is installed in ventilating heat dissipating hole, power amplifier cabinet inside is provided with the activated charcoal being arranged on below power amplifier, connecting pole is fixed on the inner wall of power amplifier cabinet, and damping spring is socketed with outside connecting pole.The activated charcoal that the utility model uses can be by the water vapor absorption in air and the bacterium in kill air; so as to protect power amplifier inner body; damping spring can weaken the violent caused vibrations of jolting of train; the radiator fan of use causes the temperature in power amplifier cabinet to remain at normal temperature state, extends the service life of power amplifier.
Description
Technical field
Train apparatus technical field is the utility model is related to, is specially a kind of power amplifier of train broadcast transmitter.
Background technology
Growing with urban track traffic industry, vehicle-mounted passenger information system equipment is also increasingly renovated.Railway fire
There is an equipment in station broadcast system, be called power amplifier.The equipment is mainly used for input signal being amplified, and has
Intercut, overcurrent, overheat protector and loudspeaker network open circuit detection etc. function.
Chinese utility model patent application number CN201220506424.1 discloses a kind of power amplification of train broadcast transmitter
Device, including power switch, power board, the plate of falling machine and control panel, the control panel are connected with display screen and rotary coding switch, institute
The output terminal that power board is stated with amplifier power supply plate is connected, and the power board passes through power amplifier state and control module and control panel phase
Even.The beneficial effects of the utility model are：Control panel band emergent broadcast control interface, can emergent broadcast, using opening inside power amplifier
Power conversion is done in powered-down source, and the scope of application is wide, completes machine-cut inside power amplifier changes, without peripheral machine equipment；With structure letter
It is single, it is easy to use, it is vdiverse in function the advantages that.But this power amplifier, it is more fragile, especially when train driving is in road conditions
When on poor road surface, violent jolting often causes its rupture of line, crashes, or even damage etc. completely, exposed to air
In, moisture enters, and part of damage, influences service life, so still there is improved space.A kind of in consideration of it, it is proposed that train
The power amplifier of speech amplifier.
Utility model content
The purpose of this utility model is to provide a kind of power amplifier of train broadcast transmitter, to solve above-mentioned background technology
It is middle to propose the problem of power amplifier service life is short.
To achieve the above object, the utility model provides following technical solution：
A kind of power amplifier of train broadcast transmitter, including power amplifier cabinet and installed in the power amplifier machine
Power amplifier inside case, sets on the side outer wall of the power amplifier cabinet fluted, is provided with the groove
Some radiator fans that are vertical and uniformly equidistantly arranging, the opposite side of the power amplifier cabinet are provided with ventilation and heat
Hole, is provided with filter screen in the ventilating heat dissipating hole, line throughhole, the work(is provided with the top of the power amplifier cabinet
Chamber door is provided with by the hinge of setting on rate amplifier cabinet, the Machine case lock for screens is provided with the chamber door, it is described
Power amplifier cabinet inside is provided with the activated charcoal being arranged on below the power amplifier, and the activated charcoal includes peace
The side plate shelved, be fixed on the mounting bracket, suction hole is provided with the side plate, and the back side of the power amplifier is set
There is connecting pole, the connecting pole is fixed on the inner wall of the power amplifier cabinet, and damping bullet is socketed with outside the connecting pole
Spring, is provided with and the corresponding wiring hole in line throughhole position at the top of the power amplifier.
Preferably, the quantity of the radiator fan sets at least to two, and inlays and be arranged on the power amplifier machine
In the tank wall of case.
Preferably, puigging is installed in the tank wall of the power amplifier cabinet.
Preferably, the quantity of the connecting pole sets at least to three.
Preferably, the mounting bracket is in rectangular parallelepiped structure, and the size of the side plate is opposite with the size of the mounting bracket
Should.
Compared with prior art, the beneficial effects of the utility model are：
1st, the activated charcoal that the power amplifier of this train broadcast transmitter uses includes mounting bracket, the side being fixed on mounting bracket
Plate, is provided with suction hole on side plate, and activated charcoal by the water vapor absorption in air and can kill bacterium in air, from
And power amplifier inner body is protected, increase the service life of power amplifier.
2nd, the power amplifier of this train broadcast transmitter uses connecting pole so that the mounting structure of power amplifier is more steady
Gu the damping spring of setting can weaken train driving when on the poor road surface of road conditions, violent caused vibrations of jolting,
Increase the service life of power amplifier.
3rd, the radiator fan that the power amplifier of this train broadcast transmitter uses inlays the case for being arranged on power amplifier cabinet
In wall, be conducive to the power amplifier heat dissipation in power amplifier cabinet so that the temperature in power amplifier cabinet is protected all the time
Hold in normal temperature state, extend the service life of power amplifier.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model power amplifier.
In figure：1st, power amplifier cabinet；2nd, groove；3rd, radiator fan；4th, power amplifier；41st, connecting pole；42nd, subtract
Shake spring；43rd, wiring hole；5th, line throughhole；6th, hinge；7th, chamber door；8th, Machine case lock；9th, ventilating heat dissipating hole；91st, filter screen；10、
Activated charcoal；101st, mounting bracket；102nd, side plate；103rd, suction hole；11st, puigging.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of power amplifier of train broadcast transmitter, including power amplifier cabinet 1 and installed in power amplifier cabinet 1
Internal power amplifier 4, sets fluted 2 on the side outer wall of power amplifier cabinet 1, be provided with groove 2 it is vertical and
Some radiator fans 3 uniformly equidistantly arranged, the opposite side of power amplifier cabinet 1 are provided with ventilating heat dissipating hole 9, and ventilation dissipates
Filter screen 91 is installed, the top of power amplifier cabinet 1 is provided with line throughhole 5, on power amplifier cabinet 1 in hot hole 9
Chamber door 7 is provided with by the hinge 6 of setting, is provided with the Machine case lock 8 for screens on chamber door 7, inside power amplifier cabinet 1
The activated charcoal 10 for being arranged on the lower section of power amplifier 4 is installed, activated charcoal 10 includes mounting bracket 101, is fixed on mounting bracket
Side plate 102 on 101, is provided with suction hole 103 on side plate 102, activated charcoal 10 can by the water vapor absorption in air with
And the bacterium in kill air, so as to protect 4 inner body of power amplifier, increase the service life of power amplifier 4.
The back side of power amplifier 4 is provided with connecting pole 41, and connecting pole 41 is fixed on the inner wall of power amplifier cabinet 1
On, it is socketed with damping spring 42 outside connecting pole 41, the top of power amplifier 4 is provided with corresponding with 5 position of line throughhole
Wiring hole 43, the quantity of connecting pole 41 set at least to three so that the mounting structure of power amplifier 4 is more firm, sets
Damping spring 42 can weaken train driving when on the poor road surface of road conditions, violent caused vibrations of jolting, increase
The service life of power amplifier 4.
The quantity of radiator fan 3 sets at least to two, and inlays and be arranged in the tank wall of power amplifier cabinet 1, has
Radiate beneficial to the power amplifier 4 in power amplifier cabinet 1 so that the temperature in power amplifier cabinet 1 remains at
Normal temperature state, extends the service life of power amplifier 4.
Mounting bracket 101 is in rectangular parallelepiped structure, and the size of side plate 102 is corresponding with the size of the mounting bracket 101, power
Puigging 11 is installed in the tank wall of amplifier cabinet 1, puigging 11 uses polyester fiber sound-proof material block, be closest to from but
And harmless environmentally safe high-efficiency sound-absorbing heat-barrier material, noise can be reduced, acoustic absorptivity is high, thermal insulation is good, bullet
The good, close structure of property, form stable, it is wear-resisting it is tear-resistant, weight is slim and graceful, construction safety is convenient, it is harmless, to environment without dirt
Drainage is strong after dye, odorlessness, water-fast, water logging, sound absorption qualities do not decline, form is constant and recycling.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
On the premise of, the utility model also has various changes and modifications, these changes and improvements both fall within this claimed practicality
In new scope.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
1. a kind of power amplifier of train broadcast transmitter, including power amplifier cabinet (1) and installed in the power amplifier
The internal power amplifier (4) of cabinet (1), it is characterised in that：It is provided with the side outer wall of the power amplifier cabinet (1)
Groove (2), the groove (2) is interior to be provided with some radiator fans (3) that are vertical and uniformly equidistantly arranging, the power amplification
The opposite side of device cabinet (1) is provided with ventilating heat dissipating hole (9), and filter screen (91) is provided with the ventilating heat dissipating hole (9), described
Line throughhole (5) is installed at the top of power amplifier cabinet (1), passes through the hinge of setting on the power amplifier cabinet (1)
Chain (6) is provided with chamber door (7), and the Machine case lock (8) for screens, the power amplifier cabinet are provided with the chamber door (7)
(1) internal to be provided with the activated charcoal (10) being arranged on below the power amplifier (4), the activated charcoal (10) includes peace
The side plate (102) for shelve (101), being fixed on the mounting bracket (101), is provided with suction hole on the side plate (102)
(103), the back side of the power amplifier (4) is provided with connecting pole (41), and the connecting pole (41) is fixed on the power and puts
On the inner wall of big device cabinet (1), damping spring (42), the top of the power amplifier (4) are socketed with outside the connecting pole (41)
Portion is provided with and the corresponding wiring hole in the line throughhole (5) position (43).
2. the power amplifier of train broadcast transmitter according to claim 1, it is characterised in that：The radiator fan (3)
Quantity sets at least to two, and inlays and be arranged in the tank wall of the power amplifier cabinet (1).
3. the power amplifier of train broadcast transmitter according to claim 1, it is characterised in that：The power amplifier cabinet
(1) puigging (11) is installed in tank wall.
4. the power amplifier of train broadcast transmitter according to claim 1, it is characterised in that：The number of the connecting pole (41)
Amount sets at least to three.
5. the power amplifier of train broadcast transmitter according to claim 1, it is characterised in that：The mounting bracket (101) is in
Rectangular parallelepiped structure, and the size of the side plate (102) is corresponding with the size of the mounting bracket (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280393.1U CN207321730U (en) | 2017-09-30 | 2017-09-30 | A kind of power amplifier of train broadcast transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280393.1U CN207321730U (en) | 2017-09-30 | 2017-09-30 | A kind of power amplifier of train broadcast transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207321730U true CN207321730U (en) | 2018-05-04 |
Family
ID=62428545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721280393.1U Expired - Fee Related CN207321730U (en) | 2017-09-30 | 2017-09-30 | A kind of power amplifier of train broadcast transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207321730U (en) |
-
2017
- 2017-09-30 CN CN201721280393.1U patent/CN207321730U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |