CN207603620U - A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions - Google Patents
A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions Download PDFInfo
- Publication number
- CN207603620U CN207603620U CN201721918779.0U CN201721918779U CN207603620U CN 207603620 U CN207603620 U CN 207603620U CN 201721918779 U CN201721918779 U CN 201721918779U CN 207603620 U CN207603620 U CN 207603620U
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- CN
- China
- Prior art keywords
- water cooling
- heat
- circuit board
- conducting plate
- frequency
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions, the radiator includes grille radiator, water cooling tube and water cooling box, the water cooling box is located in casing, the both ends of water cooling tube are extend into water cooling box, the water pump of connection water cooling tube end is equipped in water cooling box, grille radiator includes the heat-conducting plate being square and the cooling fin of several strips being fixed on heat-conducting plate, heat-conducting plate and circuit board closely against, venthole is also provided in the middle part of heat-conducting plate, water cooling tube includes S-shaped S-shaped radiating segment and cylindrical expansion arc, S-shaped radiating segment is around on a heat sink, expansion arc passes through venthole, the vacuum denoising device is wrapped in outside sender unit.The transmitter absorbs the heat of circuit board with water cooling box using water cooling tube, and internal unit is made not burnt out due to high temperature, and is made around sender unit in vacuum state so as to reduce noise by vacuum denoising device.
Description
Technical field
The utility model belongs to frequency-modulated broadcast transmitter technical field, has the decrease of noise functions that cools down more particularly, to a kind of
Frequency-modulated broadcast transmitter.
Background technology
In general, frequency modulation transmitter is the abbreviation of frequency-modulated broadcast transmitter, it is mainly used for the language of f-m broadcast station
Sound and music program are wirelessly launched.The sideband noise of transmitter refers to transmitter when not adding in modulated signal,
Centered on carrier frequency, comparatively wide noise in the range of distribution frequency, abbreviation transmitter noise.The frequency band of transmitter noise is about 2
~3MHz, it is more much bigger than channel spacing, and therefore, it not only forms interference in adjacent channel, but also can be in 2~3MHz frequency bands
Inside have an impact.Circuit board in the transmitter temperature under prolonged running is higher and higher, needs to cool down in time, otherwise equipment
Easily burn out.
In the prior art, the heat absorption of circuit board can be still dispersed by the radiator of frequency modulation transmitter mostly
In casing or inner body can be had an impact, frequency-modulated broadcast transmitter lacks certain decrease of noise functions, the noise of transmitter
Signal can be interfered, also, noise can also cause to damage to hearing.
Utility model content
The purpose of this utility model is to provide a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions, transmitter profit
The heat of circuit board is absorbed with water cooling box with water cooling tube, internal unit is made not burnt out due to high temperature, and pass through vacuum
Denoising device makes around sender unit in vacuum state so as to reduce noise.
The technical solution of the utility model is：A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions, it includes machine
Shell, circuit board, radiator, sender unit and vacuum denoising device, which is characterized in that the circuit board is fixed on machine
The madial wall of shell, radiator are fixed on the bottom of casing, and sender unit is fixed on the madial wall of casing, circuit board and letter
Number emitter is connected by data line, and the radiator includes grille radiator, water cooling tube and water cooling box, the water
Ice chest is located in casing, and the both ends of water cooling tube are extend into water cooling box, and the water pump of connection water cooling tube end, lattice are equipped in water cooling box
Grid radiator includes the heat-conducting plate being square and the cooling fin of several strips being fixed on heat-conducting plate, heat-conducting plate and circuit board
Closely against, venthole is also provided in the middle part of heat-conducting plate, water cooling tube includes S-shaped S-shaped radiating segment and cylindrical expansion arc,
For S-shaped radiating segment around on a heat sink, expansion arc passes through venthole, and the vacuum denoising device is wrapped in outside sender unit
Portion.
First, when frequency modulation transmitter is run, the water pump in water cooling box also begins to operate, and a side is provided to internal water
To power, heat-conducting plate absorbing circuit plate generate heat come out by cooling fin and venthole, S-shaped radiating segment will radiate
The heat absorption that piece distributes, water is flowed through in expansion arc makes expansion arc expansion be crowded with ventholes and absorb heat, after having absorbed heat
It flows back into heat exchange in water cooling box again to be further continued for running, vacuum denoising device is wrapped in outside sender unit and emits signal
Device periphery keeps vacuum, and noise when emitting signal prays decrease of noise functions from blazing abroad.
Further, the vacuum denoising device includes vacuum tank, exhaust tube and aspiration pump, and vacuum tank emits signal
Device wraps up wherein, rectangular abatvoix is equipped in vacuum tank, aspiration pump is fixed on casing, between aspiration pump and vacuum tank
It is connected by exhaust tube.By abatvoix by noise absorption, at the same if having air in vacuum tank by aspiration pump by vacuum
Gas is extracted out in case, makes internal holding vacuum state, noise cannot be propagated in the case of no medium, so as to accomplish noise reduction work(
Energy.
Further, the vacuum tank is square, and is surrounded by six pieces of hard plates, the connection between hard plate
Apply glue sealing at gap, is provided with the through-hole stretched into for exhaust tube on one piece of hardboard wherein.
Further, tool is equipped with glue layer bonding connection between the heat-conducting plate and circuit board.Make what circuit board generated
Heat can be for delivery to heat-conducting plate so as to be absorbed by radiator.
Further, alternatively, on the circuit board there is bolt, make on heat-conducting plate with fitted bolt
Nut.
Further, water is filled in the water cooling tube and water cooling box.
This has the advantages that the frequency-modulated broadcast transmitter of cooling decrease of noise functions has：
1. the transmitter absorbs the heat of circuit board with water cooling box using water cooling tube, the heat for generating circuit board
Inner body will not be had an impact, and be made around sender unit in vacuum state so as to reduce by vacuum denoising device
Noise, protects frequency-modulated broadcast transmitter not cause mutual noise jamming when in use, and protect staff's
Hearing reduces the harm that staff is made a noise at work by frequency-modulated broadcast transmitter.
2. by abatvoix by noise absorption, at the same if having air in vacuum tank by aspiration pump by gas in vacuum tank
Body is extracted out, makes internal holding vacuum state, noise cannot be propagated in the case of no medium, so as to accomplish decrease of noise functions.
3. the heat that circuit board generates can be for delivery to heat-conducting plate so as to be absorbed by radiator.
Description of the drawings
Fig. 1 is a kind of frequency-modulated broadcast transmitter structure diagram with cooling decrease of noise functions.
Fig. 2 is construction for heat radiating device schematic diagram.
Fig. 3 is S-shaped radiating segment schematic diagram.
In figure：1st, data line；2nd, casing；3rd, vacuum tank；4th, abatvoix；5th, sender unit；6th, exhaust tube；7th, it is evacuated
Pump；8th, through-hole；9th, water cooling tube；10th, water pump；11st, water cooling box；12nd, expansion arc；13rd, radiator；14th, circuit board；15th, S-shaped dissipates
Hot arc；16th, cooling fin；17th, heat-conducting plate；18th, venthole.
Specific embodiment
As shown in Figs. 1-3, the technical solution of the utility model is a kind of frequency modulation broadcasting transmitting with cooling decrease of noise functions
Machine, it includes casing 2, circuit board 14, radiator 13, sender unit 5 and vacuum denoising device, which is characterized in that institute
The circuit board 14 stated is fixed on the madial wall of casing 2, and radiator 13 is fixed on the bottom of casing 2, and sender unit 5 is fixed
In the madial wall of casing 2, circuit board 14 is connect with sender unit 5 by data line 1, and the radiator 13 includes lattice
Grid radiator, water cooling tube 9 and water cooling box 11, the water cooling box 11 are located in casing 2, and the both ends of water cooling tube 9 extend into water cooling
In case 11, the water pump 10 of 9 end of connection water cooling tube is equipped in water cooling box 11, grille radiator includes 17 He of heat-conducting plate being square
The cooling fin 16 of several strips on heat-conducting plate 17 is fixed on, heat-conducting plate 17 is with circuit board 14 closely against in heat-conducting plate 17
Portion is also provided with venthole 18, and water cooling tube 9 includes S-shaped S-shaped radiating segment 15 and cylindrical expansion arc 12, S-shaped radiating segment
15 are wound on cooling fin 16, and expansion arc 12 passes through venthole 18, and the vacuum denoising device is wrapped in outside sender unit 5
Portion.
The vacuum denoising device includes vacuum tank 3, exhaust tube 6 and aspiration pump 7, and vacuum tank 3 is by sender unit 5
Package wherein, rectangular abatvoix 4 is equipped in vacuum tank 3, and aspiration pump 7 is fixed on casing 2, aspiration pump 7 and vacuum tank 3 it
Between connected by exhaust tube 6.By abatvoix 4 by noise absorption, while pass through aspiration pump 7 if having air in vacuum tank 3
Gas in vacuum tank 3 is extracted out, makes internal holding vacuum state, noise cannot be propagated in the case of no medium, so as to do
To decrease of noise functions.
The vacuum tank 3 is square, and is surrounded by six pieces of hard plates, is coated at the connection gap between hardboard
Glue sealing is provided with the through-hole 8 stretched into for exhaust tube 6 on one piece of hard plate wherein.
Tool is equipped with glue layer bonding connection between the heat-conducting plate 17 and circuit board 14.The heat for generating circuit board 14
It can be for delivery to heat-conducting plate 17 so as to be absorbed by radiator 13.
Alternatively, on the circuit board 14 there is bolt, have what fitted bolt used on heat-conducting plate 17
Nut.Water is filled in the water cooling tube 9 and water cooling box 11.
The transmitter absorbs the heat of circuit board 14 with water cooling box 11 using water cooling tube 9, generates circuit board 14
Heat inner body will not be had an impact, and by vacuum denoising device make around sender unit 5 be in vacuum state
So as to reduce noise, frequency-modulated broadcast transmitter is protected not cause mutual noise jamming when in use, and protect work
Make the hearing of personnel, reduce the harm that staff is made a noise at work by frequency-modulated broadcast transmitter.
First, when frequency modulation transmitter is run, the water pump 10 in water cooling box 11 also begins to operate, and one is provided to internal water
The power in a direction, the heat that 17 absorbing circuit plate 14 of heat-conducting plate generates are come out by cooling fin 16 and venthole 18, S-shaped
The heat absorption that radiating segment 15 distributes cooling fin 16, water is flowed through in expansion arc 12 makes the expansion of expansion arc 12 be crowded with ventholes 18 simultaneously
Heat is absorbed, has absorbed after heat and has flowed back into heat exchange in water cooling box 11 and be further continued for running, vacuum denoising device is wrapped in signal
The outside of emitter 5 simultaneously makes 5 periphery of sender unit keep vacuum, and noise when emitting signal is prayed from blazing abroad
Pray decrease of noise functions.
Claims (6)
1. a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions, it includes casing, circuit board, radiator, signal hair
Injection device and vacuum denoising device, which is characterized in that the circuit board is fixed on the madial wall of casing, and radiator is fixed on
The bottom of casing, sender unit are fixed on the madial wall of casing, and circuit board is connect with sender unit by data line,
The radiator includes grille radiator, water cooling tube and water cooling box, and the water cooling box is located in casing, and the two of water cooling tube
End is extend into water cooling box, and the water pump of connection water cooling tube end is equipped in water cooling box, and grille radiator includes the heat conduction being square
Plate and the cooling fin of several strips being fixed on heat-conducting plate, heat-conducting plate is with circuit board closely against heat-conducting plate middle part is also opened
Have a venthole, water cooling tube includes S-shaped S-shaped radiating segment and cylindrical expansion arc, S-shaped radiating segment around on a heat sink,
Expansion arc passes through venthole, and the vacuum denoising device is wrapped in outside sender unit.
2. a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions according to claim 1, it is characterised in that：It is described
Vacuum denoising device include vacuum tank, exhaust tube and aspiration pump, vacuum tank by sender unit wrap up wherein, vacuum tank
Interior to be equipped with rectangular abatvoix, aspiration pump is fixed on casing, is connected between aspiration pump and vacuum tank by exhaust tube.
3. a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions according to claim 2, it is characterised in that：It is described
Vacuum tank is square, and is surrounded by six pieces of hard plates, and apply glue sealing at the connection gap between hardboard, at it
In be provided with the through-hole stretched into for exhaust tube on one piece of hardboard.
4. a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions according to claim 1, it is characterised in that：It is described
Heat-conducting plate and circuit board between tool be equipped with glue layer bonding connection.
5. a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions according to claim 4, it is characterised in that：As
Another scheme has bolt on the circuit board, has the nut that fitted bolt uses on heat-conducting plate.
6. a kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions according to claim 1, it is characterised in that：It is described
Water cooling tube and water cooling box in fill water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918779.0U CN207603620U (en) | 2017-12-29 | 2017-12-29 | A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918779.0U CN207603620U (en) | 2017-12-29 | 2017-12-29 | A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603620U true CN207603620U (en) | 2018-07-10 |
Family
ID=62769065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918779.0U Withdrawn - After Issue CN207603620U (en) | 2017-12-29 | 2017-12-29 | A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288972A (en) * | 2017-12-29 | 2018-07-17 | 浙江联品电子科技有限公司 | A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions |
-
2017
- 2017-12-29 CN CN201721918779.0U patent/CN207603620U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288972A (en) * | 2017-12-29 | 2018-07-17 | 浙江联品电子科技有限公司 | A kind of frequency-modulated broadcast transmitter with cooling decrease of noise functions |
| CN108288972B (en) * | 2017-12-29 | 2023-08-29 | 浙江联品电子科技有限公司 | FM broadcast transmitter with cooling and noise reduction functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20230829 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20230829 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |