CN202104000U - Air cooling device for wireless digital television emitter - Google Patents
Air cooling device for wireless digital television emitter Download PDFInfo
- Publication number
- CN202104000U CN202104000U CN2011202427747U CN201120242774U CN202104000U CN 202104000 U CN202104000 U CN 202104000U CN 2011202427747 U CN2011202427747 U CN 2011202427747U CN 201120242774 U CN201120242774 U CN 201120242774U CN 202104000 U CN202104000 U CN 202104000U
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- China
- Prior art keywords
- power amplifier
- amplifier unit
- wireless digital
- air
- air cooling
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to an air cooling device, in particular to an air cooling device for a wireless digital television emitter, which is used for cooling a power amplification unit in the wireless emitter equipment. The air cooling device for the wireless digital television emitter comprises a plurality of power amplification units and a fan power supply system, wherein each power amplification unit is respectively and independently provided with an air inlet and an air outlet, the air inlet independently arranged on each power amplification unit is respectively communicated with an independent heat radiation system, the heat radiation system comprises a sealed heat radiation passage and a heat radiation fan, one end of the sealed heat radiation passage is communicated with an air outlet passage of the fan, and the other end of the sealed heat radiation passage is communicated with the air inlet of each power amplification unit. The air cooling device for the wireless digital television emitter reaches the effects that when a certain power amplification unit or the heat radiation system of the unit fails, only the power amplification unit carries out machine halt, and the whole machine can continuously operate on the basis of reducing the partial rated output power.
Description
Technical field
The utility model relates to a kind of air cooling equipment, relates in particular to a kind of wireless digital TV-set transmitter air cooling equipment, and this device is used for the cooling of radio transmitter device power amplifier unit.
Background technology
Development along with numeral, analog TV broadcasting (containing Voice & Video) industry; The power amplifying device of radio broadcasting transmitter-all solid state LDMOS (lateral double diffusion metal oxide FET semiconductor technology) FET has occupied the dominant position of high power amplifier; Through various power synthetic techniques (mainly being the homophase power combiner of various multiports); All solid-state transmitter can have been accomplished thousands of watts so that the above power grade of tens of multikilowatts; And the radio-frequency power of all-solid state wireless TV and radio emission machine feed-in transmitting antenna normally also passes through high-power homophase synthesizer through the power amplifier unit of some at present; Finally synthesizing the coverage covers or transmitting set networking desired power grade; And the cooling system of corresponding power amplifier unit often is divided into two types at present: one type is to adopt water-cooling pattern, though efficient is high, environmental protection, equipment purchase and maintenance cost are high; The 2nd, adopt the cooling system of lump type AC blower fan, efficient is low, not environmental protection, noise decibel are high, and cooling system does not possess redundant function.The lump type air cooling system of traditional single blower fan of TV and radio emission machine whole machine using; In case single blower fan breaks down or the blower fan electric power system breaks down etc.; Then the complete machine electric power system will be cut off complete machine by forced-stopping machine; With the highest a plurality of final stage power amplifiers unit of protection cost value, avoid bringing the bust of complete machine and radio broadcasting digital TV network system, therefore can't lasting signal service be provided to the user.
The utility model content
The purpose of the utility model is to overcome the above-mentioned deficiency of prior art, and a kind of wireless digital TV-set transmitter air cooling equipment is provided.
To achieve these goals, the utility model provides following technical scheme:
A kind of wireless digital TV-set transmitter air cooling equipment; Comprise a plurality of power amplifier units, blower fan electric power system; Said each power amplifier unit independently is provided with air inlet and air outlet respectively, and the air inlet that each power amplifier unit independently is provided with is connected with cooling system independently respectively.
In the above-mentioned wireless digital TV-set transmitter air cooling equipment, said cooling system comprises sealed heat-dissipating passage and cooling fan, and an end of sealed heat-dissipating passage is connected with the air-out air channel of blower fan, and the other end is connected with the air inlet of power amplifier unit.
In the above-mentioned wireless digital TV-set transmitter air cooling equipment, said power amplifier unit also is provided with side sink, and the end of said side sink is connected in a sidewall of heat dissipation channel.
In the above-mentioned wireless digital TV-set transmitter air cooling equipment, the air outlet of each power amplifier unit is connected with the complete machine air outlet.
In the above-mentioned wireless digital TV-set transmitter air cooling equipment, the cooling fan of said wireless digital TV-set transmitter air cooling equipment is a cross-flow fan.
In the above-mentioned wireless digital TV-set transmitter air cooling equipment, the flow direction of the heat radiation air that said cross-flow fan produces perpendicular to motor shaft to.
In the above-mentioned wireless digital TV-set transmitter air cooling equipment, the blower fan electric power system of said wireless digital TV-set transmitter air cooling equipment is an autonomous power supply system.
In the above-mentioned wireless digital TV-set transmitter air cooling equipment, said autonomous power supply system is a DC-voltage supply.
The wireless digital TV-set transmitter air cooling equipment of the utility model; Each power amplifier unit has independently one's own cooling fan, and cooling fan is a cross-flow fan, the heat radiation of a power amplifier unit of each cross-flow fan burden; The heat radiation air that cross-flow fan produces is through the independent heat dissipation wind channel that is tightly connected with it; Through the air inlet that power amplifier unit is provided with, the power of flowing through is put the surface of the side sink of unit, to obtain high as far as possible radiating efficiency; The heat radiation air is taken away heat; Air outlet connects the complete machine air outlet through the top of power amplifier unit again, and further the complete machine air outlet of enclosure top also can link to each other with the air channel of computer room construction, forms the exchange heat of the machine room and the exterior space.The cross-flow type cooling fan is direct current supply, and each blower fan and power amplifier unit are shared independently DC power-supply system, forms an independently power amplification unit of the distributed heat radiation of a DC power-supply system power amplifier unit of correspondence and a cooling fan.
Compared with prior art, the beneficial effect of the utility model:
The wireless digital TV-set transmitter air cooling equipment that the utility model provides; It is the improvement on existing air cooling equipment basis; Utilize each power amplifier unit to have independently one's own cooling fan; Reached when a certain power amplifier unit or this unit cooling system and broken down, only limit to this power amplifier unit protection and shut down, and complete machine can continue to offer the service that the user does not have interruption on the basis that reduces a certain proportion of rated output power; Owing to adopted each power amplifier unit to carry the distributed cooling system of blower fan, thereby the utlity model has redundancy feature.The utility model performance is efficient, energy-conserving and environment-protective, cost performance are high.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of wireless digital TV-set transmitter air cooling equipment embodiment first power amplifier unit.
Mark among the figure: 1-first power amplifier unit, 2-second power amplifier unit, 3-the 3rd power amplifier unit; The crossflow fan of 4-first power amplifier unit, the crossflow fan of 5-second power amplifier unit, the crossflow fan of 6-the 3rd power amplifier unit; The heat dissipation wind channel of 7-first power amplifier unit, the heat dissipation wind channel of 8-second power amplifier unit, the heat dissipation wind channel of 9-the 3rd power amplifier unit; The crossflow fan common power supply interface of 10-first power amplifier unit and first power amplifier unit; The crossflow fan common power supply interface of 11-second power amplifier unit and second power amplifier unit, the crossflow fan common power supply interface of 12-the 3rd power amplifier unit and the 3rd power amplifier unit, 13-crossflow fan heat radiation wind direction; 14-complete machine air outlet, the side sink of 15-first power amplifier unit.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
The execution mode of the utility model is not limited to following examples, all belongs within the protection range of the utility model in the various variations of making under the prerequisite that does not break away from the utility model aim.
In Fig. 1, wireless digital TV-set transmitter air cooling equipment comprises the crossflow fan common power supply interface 12 of crossflow fan common power supply interface 11, the 3rd power amplifier unit and the 3rd power amplifier unit of crossflow fan common power supply interface 10, second power amplifier unit and second power amplifier unit of heat dissipation wind channel 9, first power amplifier unit and first power amplifier unit of heat dissipation wind channel 8, the 3rd power amplifier unit of heat dissipation wind channel 7, second power amplifier unit of crossflow fan 6, first power amplifier unit of crossflow fan 5, the 3rd power amplifier unit of crossflow fan 4, second power amplifier unit of first power amplifier unit 1, second power amplifier unit 2, the 3rd power amplifier unit 3, first power amplifier unit.Wireless digital TV-set transmitter air cooling equipment comprises 3 power amplifier units, 3 blower fan electric power systems; Said power amplifier unit independently is provided with air inlet and air outlet respectively; The air inlet that each power amplifier unit independently is provided with is connected with cooling system independently respectively, and said cooling system comprises sealed heat-dissipating passage and cooling fan, and an end of sealed heat-dissipating passage is connected with the air-out air channel of blower fan; The other end is connected with the air inlet of power amplifier unit; Said power amplifier unit also is provided with side sink, and the end of said side sink is connected in a sidewall of heat dissipation channel, and further power amplifier unit top air outlet is connected with the complete machine air outlet.The cooling fan of said wireless digital TV-set transmitter air cooling equipment is a cross-flow fan, the flow direction of the heat radiation air that cross-flow fan produces perpendicular to motor shaft to.The blower fan electric power system of said wireless digital TV-set transmitter air cooling equipment is an autonomous power supply system, and autonomous power supply system is a DC-voltage supply, and autonomous power supply system is separately power amplifier unit and the cooling fan power supply corresponding with it.
The wireless digital TV-set transmitter air cooling equipment that present embodiment is enumerated; First power amplifier unit 1 has independently one's own cooling fan; Cooling fan is the heat radiation that the crossflow fan 4 of crossflow fan 4, the first power amplifier units of first power amplifier unit is born first power amplifier unit 1, and the heat radiation air that the crossflow fan 4 of first power amplifier unit produces is through the heat dissipation wind channel 7 of first power amplifier unit that is tightly connected with it; Directly flow through side sink 15 surfaces of first power amplifier unit; Obtaining high as far as possible radiating efficiency, heat flows to the top air outlet of first power amplifier unit 1, the complete machine air outlet 14 on the power amplifier unit top of flowing through again through crossflow fan heat radiation wind direction 13; Further the complete machine air outlet 14 on power amplifier unit top also can link to each other with the air channel of computer room construction, forms the exchange heat of the machine room and the exterior space.The crossflow fan 4 of first power amplifier unit is direct current supply; The crossflow fan 4 of first power amplifier unit and the 1 shared independently direct current supply of first power amplifier unit are first power amplifier unit that provides of merit and the crossflow fan common power supply interface 10 of first power amplifier unit, form an independently power amplification unit of the crossflow fan 4 distributed heat radiations of crossflow fan common power supply interface 10 corresponding first power amplifier units 1 and first power amplifier unit of first power amplifier unit and first power amplifier unit.
Claims (7)
1. wireless digital TV-set transmitter air cooling equipment; Comprise a plurality of power amplifier units, blower fan electric power system; It is characterized in that: each power amplifier unit independently is provided with air inlet and air outlet respectively, and the air inlet that each power amplifier unit independently is provided with is connected with cooling system independently respectively.
2. wireless digital TV-set transmitter air cooling equipment according to claim 1; It is characterized in that: said cooling system comprises sealed heat-dissipating passage and cooling fan; One end of sealed heat-dissipating passage is connected with the air-out air channel of blower fan, and the other end is connected with the air inlet of power amplifier unit.
3. wireless digital TV-set transmitter air cooling equipment according to claim 1, it is characterized in that: said power amplifier unit also is provided with side sink, and the end of said side sink is connected in a sidewall of heat dissipation channel.
4. wireless digital TV-set transmitter air cooling equipment according to claim 1 is characterized in that: the air outlet of each power amplifier unit is connected with the complete machine air outlet.
5. wireless digital TV-set transmitter air cooling equipment according to claim 1 is characterized in that: the cooling fan of said wireless digital TV-set transmitter air cooling equipment is a cross-flow fan.
6. wireless digital TV-set transmitter air cooling equipment according to claim 1 is characterized in that: the blower fan electric power system of said transmitter wireless digital TV-set transmitter air cooling equipment is an autonomous power supply system.
7. wireless digital TV-set transmitter air cooling equipment according to claim 7 is characterized in that: said autonomous power supply system is a DC-voltage supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202427747U CN202104000U (en) | 2011-07-11 | 2011-07-11 | Air cooling device for wireless digital television emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202427747U CN202104000U (en) | 2011-07-11 | 2011-07-11 | Air cooling device for wireless digital television emitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202104000U true CN202104000U (en) | 2012-01-04 |
Family
ID=45389997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202427747U Expired - Lifetime CN202104000U (en) | 2011-07-11 | 2011-07-11 | Air cooling device for wireless digital television emitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202104000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026259A1 (en) * | 2014-08-21 | 2016-02-25 | 华为技术有限公司 | Communication product and base station system |
| CN111212554A (en) * | 2020-02-28 | 2020-05-29 | 深圳市商宇电子科技有限公司 | Outdoor integrated uninterrupted power source rack |
-
2011
- 2011-07-11 CN CN2011202427747U patent/CN202104000U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026259A1 (en) * | 2014-08-21 | 2016-02-25 | 华为技术有限公司 | Communication product and base station system |
| US9872416B2 (en) | 2014-08-21 | 2018-01-16 | Huawei Technologies Co., Ltd. | Communications product and base station system |
| CN111212554A (en) * | 2020-02-28 | 2020-05-29 | 深圳市商宇电子科技有限公司 | Outdoor integrated uninterrupted power source rack |
| CN111212554B (en) * | 2020-02-28 | 2024-01-16 | 商宇(深圳)科技有限公司 | Outdoor integrated uninterrupted power source rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |