CN207340156U - A kind of rain-proof heat radiating type numeral sound column for being installed on ground - Google Patents
A kind of rain-proof heat radiating type numeral sound column for being installed on ground Download PDFInfo
- Publication number
- CN207340156U CN207340156U CN201721108514.4U CN201721108514U CN207340156U CN 207340156 U CN207340156 U CN 207340156U CN 201721108514 U CN201721108514 U CN 201721108514U CN 207340156 U CN207340156 U CN 207340156U
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- Prior art keywords
- external shell
- controller
- rain
- temperature sensor
- sound column
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- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a kind of rain-proof heat radiating type numeral sound column for being installed on ground, pass through pillar（7）It is installed on ground, including external shell（1）And internal circuit, the external shell（1）Front be provided with loudspeaker, the external shell（1）The back side be provided with louvered shutter（2）, external shell（1）Top is provided with antenna assembly, external shell（1）Bottom surface be provided with heat emission hole, external shell（1）Two sides be both provided with radiating groove（4）；The internal circuit includes Audio control unit and radiating control unit；The external shell（1）The first weather shield is both provided with the top of positive top and the back side（3）, external shell（1）Two side bottoms are both provided with the second weather shield（6）, the louvered shutter（2）Top is additionally provided with third gear rain plate（5）.The digital sound column of the utility model is suitable for emergency broadcase system, realizes audio and plays control, radiating control and water-proof function.
Description
Technical field
Emergency broadcase system field is the utility model is related to, more particularly to a kind of rain-proof heat radiating type numeral for being installed on ground
Sound column.
Background technology
When meeting with Emergent Public Events or special event, commanding needs to carry out emergent broadcast using broadcast system,
To implement emergency command and information issue.In traditional emergency broadcase system, commanding needs to be introduced into broadcast chamber opening
Broadcasting equipment, then could be broadcasted.Due to this emergency broadcase system inefficiency, easily delay handles emergency
Best opportunity, people are sought for carrying out remote control to emergency broadcase system.In remote control emergency broadcase system, commander
Even if personnel also can start emergency broadcase system, so as to carry out emergency command and letter away from spot in the first time of incident
Breath issue.
Digital sound column is the terminal receiving device of emergency broadcase system, has the function of DTMB/FM wireless signal demodulating and decodings.
The audio signal of reception promotes external high-pitched speaker through power amplification；The control data of parsing be used for source of sound switching, volume control,
The functions such as frequency error factor, equipment are adapted to outdoor mounted using chassis design is protected outside specialist, realize intelligent, flexible, safety
Broadcasting Control function.But existing sound column usually only has the function of power amplifier, and due to sound column plant capacity is larger,
In the case of not possessing radiator structure, it can make it that the probability that the internal circuit of sound column damages is larger；And since sound column is usually pacified
Loaded on outdoor, only set internally positioned temperature sensor high heat cannot be detected caused by external environment condition；In addition,
Due to that can set heat emission hole and shutter, if rained, rainwater, which enters heat emission hole or shutter, to cause sound column to damage.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of rain-proof heat radiating type for being installed on ground
Digital sound column.
The purpose of this utility model is achieved through the following technical solutions：A kind of rain-proof heat radiating type for being installed on ground
Digital sound column, is installed on ground by pillar 7, including external shell 1 and internal circuit, the front of the external shell 1
Loudspeaker is provided with, the back side of the external shell 1 is provided with louvered shutter 2, and it is traditional thread binding that the top of external shell 1 is provided with day
Put, the bottom surface of external shell 1 is provided with heat emission hole, and two sides of external shell 1 are both provided with radiating groove 4；
The internal circuit includes Audio control unit and radiating control unit；
The Audio control unit includes the first controller and power amplifier, the input terminal of first controller
It is connected with antenna assembly, the output terminal of the first controller is connected with power amplifier, the output terminal and loudspeaker of power amplifier
Connection；
The radiating control unit includes the first temperature sensor, second temperature sensor, second controller and first
Radiator fan, wherein, the first temperature sensor is arranged on 1 inner wall of external shell, and second temperature sensor is arranged at external shell
On 1 outer wall of body, the output terminal of first temperature sensor and second temperature sensor is connected with second controller, and second
The output terminal of controller is connected with radiator fan；The radiator fan is arranged at heat emission hole correspondence position；
The first weather shield 3,1 two sides of external shell are both provided with the top of the front of external shell 1 top and the back side
Face bottom is both provided with the second weather shield 6, and the top of louvered shutter 2 is additionally provided with third gear rain plate 5.
Further, the antenna assembly is yagi aerial.
Further, the second controller is PMW controllers, and speed and the temperature sensor of radiating fan rotation speed are examined
The temperature height measured is directly proportional.
Further, 1 front of external shell is additionally provided with indicator light, the input terminal of indicator light and the first controller
Connection.
Further, the loudspeaker includes high-pitched speaker and woofer.
The beneficial effects of the utility model are：The digital sound column of the utility model is suitable for emergency broadcase system, realizes
Audio plays control, radiating control and water-proof function, wherein：（1）Audio frequency control part includes the letter for receiving antenna assembly
Number handled by the first controller, send to power amplifier and amplify, played by loudspeaker；（2）And radiating control part is wrapped
The open and close that radiator fan is controlled according to the detection temperature of temperature sensor are included, temperature sensor is arranged to two, wherein
One is used to detect sound column internal temperature, avoids the sound column internal temperature caused by circuit reason excessive；And another is used to examine
Acoustic column external temperature, avoids the sound column internal temperature caused by external environment condition reason excessive, when external environment condition reaches preset value,
Radiator fan is opened in advance to be aerated；（3）For water-proof function, when rainy, rainwater can be by being arranged at external shell just
The first weather shield set at the top of face and at the top of the back side enters at the radiating groove of two sides of external shell, can pledge love at this time one
The possibility that rainwater enters louvered shutter is reduced under condition；Then rainwater by radiating groove and is arranged at external shell two successively
Second weather shield of side bottom, falls directly into ground, can reduce rainwater entrance in any case at this time and be arranged at external shell
The possibility of the heat emission hole of body bottom；In addition, the third gear rain plate set above louvered shutter also can further reduce rainwater
Into the possibility of louvered shutter.
Brief description of the drawings
Fig. 1 is the utility model external structure schematic diagram；
Fig. 2 is Audio control unit connection diagram；
Fig. 3 is radiating control unit connection diagram；
In figure, 1- external shells, 2- louvered shutters, the first weather shields of 3-, 4- radiating grooves, 5- third gear rain plates, 6-
Two weather shields, 7- pillars.
Embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in Figure 1, a kind of rain-proof heat radiating type numeral sound column for being installed on ground, is installed on ground by pillar 7, bag
External shell 1 and internal circuit are included, the front of the external shell 1 is provided with loudspeaker, the back side of the external shell 1
Louvered shutter 2 is provided with, the top of external shell 1 is provided with antenna assembly, and the bottom surface of external shell 1 is provided with heat emission hole, outside
Two sides of portion's housing 1 are both provided with radiating groove 4；
The internal circuit includes Audio control unit and radiating control unit；
As shown in Fig. 2, the Audio control unit includes the first controller and power amplifier, the described first control
The input terminal of device is connected with antenna assembly, and the output terminal of the first controller is connected with power amplifier, the output of power amplifier
End is connected with loudspeaker；
As shown in Figure 3.The radiating control unit includes the first temperature sensor, second temperature sensor, the second control
Device processed and the first radiator fan, wherein, the first temperature sensor is arranged on 1 inner wall of external shell, and second temperature sensor is set
It is placed on 1 outer wall of external shell, the output terminal of first temperature sensor and second temperature sensor is controlled with second
Device connects, and the output terminal of second controller is connected with radiator fan；The radiator fan is arranged at heat emission hole correspondence position；
As shown in Figure 1, it is both provided with the first weather shield 3, external shell at the top of the front of external shell 1 top and the back side
1 two side bottoms of body are both provided with the second weather shield 6, and the top of louvered shutter 2 is additionally provided with third gear rain plate 5.
The occupation mode of the utility model mainly includes audio and plays part, radiating control part and water-proof part.
（1）Part is played for audio, it mainly includes：The antenna assembly for being arranged at the top of external shell 1 receives outside
Emergency broadcase system emitter send audio signal and control signal, audio signal after the parsing of the first controller,
By power amplifier external loudspeaker, the content for needing broadcast audio is played, and control signal includes source of sound switching, volume control
System, frequency error factor etc..Wherein, in the present embodiment, the antenna assembly is yagi aerial；And be can reliably pre- lightning protection
Hit, when installation should be by the machine reliable ground；The position of wireless yagi aerial should be less than surrounding objects, preferably in surrounding objects
In the range of lightning protection.
（2）For radiating control part, it is arranged inside the first temperature sensor logarithm word tone column of 1 inner wall of external shell
Temperature be detected, avoid the sound column internal temperature caused by circuit reason excessive；And it is arranged at the second of 1 outer wall of external shell
Temperature sensor is detected for logarithm word tone column ambient temperature, is avoided warm inside sound column caused by external environment condition reason
Height is spent, when external environment condition reaches preset value, radiator fan is opened in advance and is aerated.When any one detects that temperature surpasses
Cross preset value（For two different preset values）When, second controller control radiator fan starts, and wherein radiator fan is arranged at
The corresponding position of heat emission hole so that cross-ventilation effect is more preferable；Second controller can be directly arranged on radiator fan.And
In the present embodiment, the second controller is PMW controllers, what the speed of radiating fan rotation speed was detected with temperature sensor
Temperature height is directly proportional, i.e., when temperature is higher, the speed of second controller control radiator fan is faster.And for radiating groove 4, use
In the contact area of increase external shell 1 and extraneous air, heat dissipation effect is improved.
（3）When rainy, rainwater can be kept off the rain by being arranged at set at the top of the front of external shell 1 top and the back side first
Plate 3 enters at the radiating groove 4 of 1 two sides of external shell, can reduce rainwater in any case at this time and enter louvered shutter 2
Possibility；Then rainwater passes through radiating groove 4 successively and is arranged at second weather shield 6 of 1 two side bottoms of external shell, directly
Connect and fall into ground, the possibility that rainwater enters the heat emission hole for being arranged at 1 bottom of external shell can be reduced in any case at this time；
In addition, the third gear rain plate 5 that the top of louvered shutter 2 is set also can further reduce the possibility that rainwater enters louvered shutter 2
Property.First weather shield 3, the second weather shield 6 and third gear rain plate 5 are connected by the way of welding with external shell 1.
More preferably, in the present embodiment, 1 front of external shell is additionally provided with indicator light, the input terminal of indicator light
It is connected with the first controller.The indicator light can be used for the situation for representing that audio playing unit receives signal：Sound column will carry out full range
Section searches for signal, and signal lamp will be interrupted and flicker at this time, if Broadcasting Control signal searches letter by the DTMB network coverages, sound column
Number indicator light gives a green light；If DTMB signals are too low or during without Broadcasting Control signal, indicator light can be interrupted flicker always.
More preferably, in the present embodiment, the loudspeaker includes high-pitched speaker and woofer.
The utility model is described by embodiment, but the utility model is not construed as limiting, with reference to this practicality
New description, other changes of the disclosed embodiments, is such as readily apparent that for the professional person of this area, such
Change should belong within the scope of the utility model claims restriction.
Claims (5)
1. a kind of rain-proof heat radiating type numeral sound column for being installed on ground, passes through pillar（7）It is installed on ground, it is characterised in that：
Including external shell（1）And internal circuit, the external shell（1）Front be provided with loudspeaker, the external shell
（1）The back side be provided with louvered shutter（2）, external shell（1）Top is provided with antenna assembly, external shell（1）Bottom surface
It is provided with heat emission hole, external shell（1）Two sides be both provided with radiating groove（4）；
The internal circuit includes Audio control unit and radiating control unit；
The Audio control unit includes the first controller and power amplifier, the input terminal and day of first controller
Line apparatus connects, and the output terminal of the first controller is connected with power amplifier, and the output terminal of power amplifier is connected with loudspeaker；
The radiating control unit includes the first temperature sensor, second temperature sensor, second controller and the first heat dissipation
Fan, wherein, the first temperature sensor is arranged at external shell（1）On inner wall, second temperature sensor is arranged at external shell
（1）On outer wall, the output terminal of first temperature sensor and second temperature sensor is connected with second controller, and second
The output terminal of controller is connected with radiator fan；The radiator fan is arranged at heat emission hole correspondence position；
The external shell（1）The first weather shield is both provided with the top of positive top and the back side（3）, external shell（1）Two
Side bottom is both provided with the second weather shield（6）, the louvered shutter（2）Top is additionally provided with third gear rain plate（5）.
A kind of 2. rain-proof heat radiating type numeral sound column for being installed on ground according to claim 1, it is characterised in that：Described
Antenna assembly is yagi aerial.
A kind of 3. rain-proof heat radiating type numeral sound column for being installed on ground according to claim 1, it is characterised in that：Described
Second controller is PMW controllers, and the temperature height that speed and the temperature sensor of radiating fan rotation speed detect is directly proportional.
A kind of 4. rain-proof heat radiating type numeral sound column for being installed on ground according to claim 1, it is characterised in that：Described
External shell（1）Front is additionally provided with indicator light, and the input terminal of indicator light is connected with the first controller.
A kind of 5. rain-proof heat radiating type numeral sound column for being installed on ground according to claim 1, it is characterised in that：Described
Loudspeaker includes high-pitched speaker and woofer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108514.4U CN207340156U (en) | 2017-08-31 | 2017-08-31 | A kind of rain-proof heat radiating type numeral sound column for being installed on ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108514.4U CN207340156U (en) | 2017-08-31 | 2017-08-31 | A kind of rain-proof heat radiating type numeral sound column for being installed on ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207340156U true CN207340156U (en) | 2018-05-08 |
Family
ID=62371762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721108514.4U Expired - Fee Related CN207340156U (en) | 2017-08-31 | 2017-08-31 | A kind of rain-proof heat radiating type numeral sound column for being installed on ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207340156U (en) |
-
2017
- 2017-08-31 CN CN201721108514.4U patent/CN207340156U/en not_active Expired - Fee Related
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| 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: 20180508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |