CN205123753U - Data receiver of digital audio broadcast - Google Patents
Data receiver of digital audio broadcast Download PDFInfo
- Publication number
- CN205123753U CN205123753U CN201520978965.8U CN201520978965U CN205123753U CN 205123753 U CN205123753 U CN 205123753U CN 201520978965 U CN201520978965 U CN 201520978965U CN 205123753 U CN205123753 U CN 205123753U
- Authority
- CN
- China
- Prior art keywords
- spring
- circuit board
- digital audio
- data receiver
- vibration absorber
- 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
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a data receiver of digital audio broadcast, including shell, circuit board, interface and antenna, be provided with amplifier circuit, synthesizer circuit, DAB receipt chip, little control chip of series connection in proper order on the circuit board, antenna and amplifier circuit electric connection, interface and little control chip electric connection, the below of circuit board is provided with a radiator fan, and radiator fan's bottom is connected with the bottom of shell through at least one anti -Vibration device, the anti -Vibration device includes the bumper shock absorber be connected with radiator fan fixed connection's an upper fixed plate, with an upper fixed plate, sets up the bottom plate in the bumper shock absorber bottom, bottom plate and shell fixed connection, and the outer wall cover of bumper shock absorber is equipped with first spring, and top and an upper fixed plate of first spring are connected, are provided with on the first spring to shake piece, and the outer wall of bumper shock absorber still overlaps and is equipped with second spring, third spring. The beneficial effects are that: the radiating effect is good, long service life, practicality are strong.
Description
Technical field
The utility model relates to a kind of data receiver of digital audio broadcasting.
Background technology
Digital audio broadcasting is the third generation broadcast after amplitude modulation and FM broadcasting, it all adopts up-to-date digital processing mode to carry out audio broadcasting, there is Dolby NR function, have the advantages that distortion is little, noise is low, range location is accurate, if user coordinates the equipment such as power amplifier, audio amplifier just can clear stereo be brought veritably to enjoy.
Digital audio broadcasting has the history of decades in China, but the exploitation of digital audio broadcast receiver is more delayed.Existing digital audio broadcast receiver mainly comprises shell, setting circuit board in the enclosure, and the radiating effect of this digital audio broadcast receiver is poor, have impact on useful life.
Utility model content
Problem to be solved in the utility model is to provide the data receiver of a kind of good heat dissipation effect, long service life, practical digital audio broadcasting.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of data receiver of digital audio broadcasting, comprise shell, be arranged on the circuit board in described shell, interface on the housing and antenna are set, described circuit board is provided with the amplifier circuit be sequentially connected in series, condensating synthesizering circuit, DAB receiving chip, microcontroller chip, described antenna and described amplifier circuit are electrically connected, described interface and described microcontroller chip are electrically connected, it is characterized in that, the below of described circuit board is provided with a radiator fan, the bottom of described radiator fan is connected with the bottom of described shell by least one against shock device, described against shock device comprises the upper mounted plate be fixedly connected with described radiator fan, the vibration absorber be connected with fixed plate, be arranged on the bottom plate bottom vibration absorber, described bottom plate is fixedly connected with described shell, the outer wall of described vibration absorber is arranged with the first spring, the top of described first spring is connected with fixed plate, described first spring is provided with seismic mass, the outer wall of described vibration absorber is also arranged with the second spring, the top of described second spring is arranged on the below of described seismic mass, the outer wall of described vibration absorber is also arranged with the 3rd spring, the bottom of described 3rd spring is arranged on above described seismic mass.
Preferably, the data receiver of above-mentioned digital audio broadcasting, the both sides inwall of wherein said shell is provided with draw-in groove all in the horizontal direction, and described circuit board is fixed in described draw-in groove.
Preferably, the data receiver of above-mentioned digital audio broadcasting, is provided with the 4th spring between the inwall of wherein said circuit board and described draw-in groove.
Preferably, the data receiver of above-mentioned digital audio broadcasting, the outer wall of wherein said vibration absorber is respectively arranged with the first spring base and the second spring base, the bottom of described first spring, the second spring is fixed on described first spring base, and the top of described 3rd spring is fixed on described second spring base.
Preferably, the data receiver of above-mentioned digital audio broadcasting, the outer wall of wherein said vibration absorber is provided with polylith fin.
Preferably, the data receiver of above-mentioned digital audio broadcasting, the quantity of wherein said against shock device is two.
Technique effect of the present utility model is mainly reflected in: the below of circuit board is provided with a radiator fan, and radiator fan to circuit board blowing heat radiation, can extend the useful life of circuit board; Radiator fan is connected by against shock device with shell, because this reducing the vibrations of radiator fan, makes the utility model more practical; The outer wall of vibration absorber is provided with the first spring and the second spring, can moves downward when the first spring is given a shock, drive seismic mass to move downward, when seismic mass encounters the second spring, the second spring can be driven to move downward, therefore improve damping performance; When seismic mass moves upward, the 3rd spring can be driven to move upward, thus slow down impulsive force upwards, further increase damping performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the longitudinal sectional view of Fig. 1;
Fig. 3 is A place partial enlarged drawing in Fig. 2;
Fig. 4 is the structural representation of against shock device in Fig. 2.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1,2,3, 4, a kind of data receiver of digital audio broadcasting, comprise shell 1, the circuit board 11 be arranged in shell 1, be arranged on interface 12 on shell 1 and antenna 13, circuit board 11 is provided with the amplifier circuit 21, condensating synthesizering circuit 22, DAB receiving chip 23, the microcontroller chip 24 that are sequentially connected in series, antenna 13 and amplifier circuit 21 are electrically connected, and interface 12 and microcontroller chip 24 are electrically connected.
The below of circuit board 11 is provided with a radiator fan 3, and the bottom of radiator fan 3 is connected with the bottom of shell 1 by two against shock devices 4, against shock device 4 comprises the upper mounted plate 41 be fixedly connected with radiator fan 3, the vibration absorber 42 be connected with upper mounted plate 41, be arranged on the bottom plate 43 bottom vibration absorber 42, bottom plate 43 is fixedly connected with shell 1, the outer wall of vibration absorber 42 is arranged with the first spring 44, the top of the first spring 44 is connected with upper mounted plate 41, first spring 44 is provided with seismic mass 45, the outer wall of vibration absorber 42 is also arranged with the second spring 46, the top of the second spring 46 is arranged on the below of seismic mass 45, the outer wall of vibration absorber 42 is also arranged with the 3rd spring 47, the bottom of the 3rd spring 47 is arranged on above seismic mass 45.
The below of circuit board 11 is provided with a radiator fan 3, and radiator fan 3 can give circuit board 11 blowing heat radiation, extends the useful life of circuit board 11; Radiator fan 3 is connected by against shock device 4 with shell 1, because this reducing the vibrations of radiator fan 3, makes the utility model more practical; The outer wall of vibration absorber 42 is provided with the first spring 44 and the second spring 46, can move downward when the first spring 44 is given a shock, drive seismic mass 45 to move downward, when seismic mass 45 encounters the second spring 46, the second spring 46 can be driven to move downward, therefore improve damping performance; When seismic mass 45 moves upward, the 3rd spring 47 can be driven to move upward, thus slow down impulsive force upwards, further increase damping performance.
The both sides inwall of its housing 1 is provided with draw-in groove 51 all in the horizontal direction, and circuit board 11 is fixed in draw-in groove 51.The 4th spring 52 is provided with between the inwall of circuit board 11 and draw-in groove 51.The effect of damping is played in such design, prevents circuit board 11 to be broken.
The bottom outer wall of vibration absorber 42 being respectively arranged with the first spring base 48 and the second spring base 49, first spring 44, second spring 46 is fixed on the first spring base 48, and the top of the 3rd spring 47 is fixed on the second spring base 49.Such design makes the structure of against shock device 4 tightr.
The outer wall of vibration absorber 42 is provided with polylith fin 50, and design accelerates the heat radiation of vibration absorber 42 like this, extends the useful life of vibration absorber 42.
Embodiment recited above is described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that this area ordinary person makes the technical solution of the utility model and improvement; protection range of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (6)
1. the data receiver of a digital audio broadcasting, comprise shell, be arranged on the circuit board in described shell, interface on the housing and antenna are set, described circuit board is provided with the amplifier circuit be sequentially connected in series, condensating synthesizering circuit, DAB receiving chip, microcontroller chip, described antenna and described amplifier circuit are electrically connected, described interface and described microcontroller chip are electrically connected, it is characterized in that: the below of described circuit board is provided with a radiator fan, the bottom of described radiator fan is connected with the bottom of described shell by least one against shock device, described against shock device comprises the upper mounted plate be fixedly connected with described radiator fan, the vibration absorber be connected with fixed plate, be arranged on the bottom plate bottom vibration absorber, described bottom plate is fixedly connected with described shell, the outer wall of described vibration absorber is arranged with the first spring, the top of described first spring is connected with fixed plate, described first spring is provided with seismic mass, the outer wall of described vibration absorber is also arranged with the second spring, the top of described second spring is arranged on the below of described seismic mass, the outer wall of described vibration absorber is also arranged with the 3rd spring, the bottom of described 3rd spring is arranged on above described seismic mass.
2. the data receiver of digital audio broadcasting according to claim 1, is characterized in that: the both sides inwall of described shell is provided with draw-in groove all in the horizontal direction, and described circuit board is fixed in described draw-in groove.
3. the data receiver of digital audio broadcasting according to claim 2, is characterized in that: be provided with the 4th spring between the inwall of described circuit board and described draw-in groove.
4. the data receiver of digital audio broadcasting according to claim 1, it is characterized in that: the outer wall of described vibration absorber is respectively arranged with the first spring base and the second spring base, the bottom of described first spring, the second spring is fixed on described first spring base, and the top of described 3rd spring is fixed on described second spring base.
5. the data receiver of digital audio broadcasting according to claim 1, is characterized in that: the outer wall of described vibration absorber is provided with polylith fin.
6. the data receiver of digital audio broadcasting according to claim 1, is characterized in that: the quantity of described against shock device is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978965.8U CN205123753U (en) | 2015-12-01 | 2015-12-01 | Data receiver of digital audio broadcast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978965.8U CN205123753U (en) | 2015-12-01 | 2015-12-01 | Data receiver of digital audio broadcast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205123753U true CN205123753U (en) | 2016-03-30 |
Family
ID=55579322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520978965.8U Expired - Fee Related CN205123753U (en) | 2015-12-01 | 2015-12-01 | Data receiver of digital audio broadcast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205123753U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828557A (en) * | 2016-05-27 | 2016-08-03 | 刘高志 | Intelligent efficient damping controller |
| CN105929540A (en) * | 2016-06-03 | 2016-09-07 | 深圳市中幼国际教育科技有限公司 | Anti-fall type virtual reality glasses |
| CN106658241A (en) * | 2016-11-09 | 2017-05-10 | 深圳纳瑞互联电子股份有限公司 | Microphone and sound box integrated unit |
| CN107155151A (en) * | 2017-06-28 | 2017-09-12 | 广州番禺巨大汽车音响设备有限公司 | A kind of portable audio of the high shock resistance with USB interface |
| CN108377152A (en) * | 2017-12-31 | 2018-08-07 | 浙江联品电子科技有限公司 | A kind of frequency modulation ads emitter protective cover |
| CN111342879A (en) * | 2020-03-09 | 2020-06-26 | 张爱桥 | Mobile phone signal amplifier for 5G communication signal |
-
2015
- 2015-12-01 CN CN201520978965.8U patent/CN205123753U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828557A (en) * | 2016-05-27 | 2016-08-03 | 刘高志 | Intelligent efficient damping controller |
| CN105828557B (en) * | 2016-05-27 | 2018-09-18 | 温州联鑫众创空间服务有限公司 | A kind of application method of efficient damping intelligent controller |
| CN105929540A (en) * | 2016-06-03 | 2016-09-07 | 深圳市中幼国际教育科技有限公司 | Anti-fall type virtual reality glasses |
| CN106658241A (en) * | 2016-11-09 | 2017-05-10 | 深圳纳瑞互联电子股份有限公司 | Microphone and sound box integrated unit |
| CN107155151A (en) * | 2017-06-28 | 2017-09-12 | 广州番禺巨大汽车音响设备有限公司 | A kind of portable audio of the high shock resistance with USB interface |
| CN108377152A (en) * | 2017-12-31 | 2018-08-07 | 浙江联品电子科技有限公司 | A kind of frequency modulation ads emitter protective cover |
| CN108377152B (en) * | 2017-12-31 | 2020-07-07 | 浙江联品电子科技有限公司 | Frequency modulation advertisement transmitter protecting cover |
| CN111342879A (en) * | 2020-03-09 | 2020-06-26 | 张爱桥 | Mobile phone signal amplifier for 5G communication signal |
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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: 20160330 Termination date: 20161201 |