CN203660905U - Switch power supply possessing double fans - Google Patents
Switch power supply possessing double fans Download PDFInfo
- Publication number
- CN203660905U CN203660905U CN201320780070.4U CN201320780070U CN203660905U CN 203660905 U CN203660905 U CN 203660905U CN 201320780070 U CN201320780070 U CN 201320780070U CN 203660905 U CN203660905 U CN 203660905U
- Authority
- CN
- China
- Prior art keywords
- circuit
- fan
- power supply
- protecgulum
- base
- 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
Images
Abstract
The utility model provides a switch power supply possessing double fans. The switch power supply comprises a shell, the two fans, a circuit device and three sets of heat dissipation fixing components. The shell comprises a front cover and a pedestal. The circuit device comprises a circuit board installed in the shell and a circuit arranged on the circuit board. A right side plate of the front cover is provided with two air vents. Inner walls of the two air vents of the right side plate of the front cover are fixedly provided with the two fans respectively. A power supply output terminal of an output rectification filter circuit in the circuit on the circuit board of the switch power supply, which is an output terminal of the switch power supply, provides power for the two fans. A fan rectification filter circuit in the circuit on the circuit board and a voltage stabilizing circuit can provide power for the two fans. The switch power supply is simple in structure, is low in cost and is convenient in installation and usage. Applicability of the power supply is strong because the size does not need to be increased and ventilation and heat radiation performance is good.
Description
Technical field
The utility model relates to field of switch power, is specifically related to a kind of Switching Power Supply with double fan.
Background technology
More than 400W conventionally being formed by shell and installation circuit board and related device in the enclosure for the Switching Power Supply in the electrical equipment such as liquid crystal TV set, LED display.On circuit board, be provided with interlock circuit, circuit is made up of a large amount of electronic devices and components.Due to the restriction of the applied environment of Switching Power Supply, the shell sizes of Switching Power Supply can not be excessive, small volume conventionally, and its power is relatively large, and while making Switching Power Supply work, it innerly can produce more heat.And Switching Power Supply when work as do not accomplished efficiently radiates heat, light affect useful life of Switching Power Supply, heavy may, due to the overheated damage that causes Switching Power Supply internal circuit, therefore, effectively solve heat dissipation problem, Switching Power Supply is seemed to very important.The common main heat dissipation of Switching Power Supply is by an outside outstanding fan mount pad is installed on housing, fixedly mounts a desk fan on fan mount pad.Its weak point is: the one, because only have a desk fan, necessary ventilation effect while work for reaching Switching Power Supply, the power of fan and the scale of construction must be corresponding larger, thereby correspondingly need to increase the enclosure volume of Switching Power Supply, cause Switching Power Supply cost to increase and because of problems such as the larger use of volume are limited; The 2nd, fan is installed by the outside outstanding fan mount pad of installing on housing, except increasing cost, also may make Switching Power Supply may, because installing space environment is limit in the electrical equipment such as applied liquid crystal TV set, LED display, bring the inconvenience of installing in use.
Utility model content
The purpose of this utility model is: overcome the deficiencies in the prior art, provide a kind of simple in structure, cost is lower, easy to install, applicability strong, without the Switching Power Supply that increases volume and ventilation and heat performance and have preferably double fan.
The technical solution of the utility model is: the Switching Power Supply with double fan of the present utility model, comprises shell, fan and circuit arrangement; Shell comprises protecgulum and base, and protecgulum is fixedly connected with base; Protecgulum comprises cover plate, left plate and the right plate that one connects; Circuit arrangement comprises installation circuit board in the enclosure and is arranged on the circuit on circuit board; Circuit on circuit board comprises output rectifier and filter and fan rectifying filter circuit and voltage stabilizing circuit for drive fan; Output rectifier and filter has power output end; Voltage stabilizing circuit is connected in series with fan rectifying filter circuit, and voltage stabilizing circuit has power output end; Its design feature is:
The right plate of above-mentioned protecgulum is provided with 2 ventilating openings; Above-mentioned fan is provided with 2; This 2 desk fan is distinguished 1 of each fixed installation on the inwall at 2 ventilating opening places of the right plate of protecgulum; This 2 desk fan has respectively power end; The power end of this 2 desk fan is electrically connected with the power output end of output rectifier and filter respectively; Or the power end of this 2 desk fan is electrically connected with the power output end of voltage stabilizing circuit.
Further scheme is: the voltage of the rated operational voltage of above-mentioned fan and the output of the power output end of output rectifier and filter matches.
Further scheme is: the ventilating opening on the right plate of above-mentioned protecgulum comprises that 3 are fan-shaped ventilation hole substantially; On the right plate of protecgulum, be respectively provided with respectively 2 fan fixing screw holes on 2 ventilating opening limits; Above-mentioned 2 desk fans are fixed on the right plate of protecgulum by 2 screws respectively.
Further scheme is: also comprise the heat radiation fixture that 3 nested structures are identical; The base of above-mentioned shell comprises epipleural, lower side panel and the base plate that one connects; In circuit on above-mentioned circuit board, contain 2 switching tubes and 4 output rectifying tubes; 2 above-mentioned switching tubes are fixed on the epipleural of base by 1 cover heat radiation fixture; 4 every 2 one group, output rectifying tubes are fixedly mounted on the lower side panel of base by other 2 cover heat radiation fixtures.
Further scheme also has: above-mentioned heat radiation fixture comprises U-shaped folder and screw; U-shaped folder comprises base plate and 2 arcs of integral connection; Base plate is strip flat board, and position, intermediate portion is provided with screw hole; 2 arcs are located at respectively the both sides on long limit of base plate and outstanding to the same side of base plate; The material of U-shaped folder is aluminium or steel.
The utlity model has positive effect: (1) Switching Power Supply with double fan of the present utility model, by 2 cover ventilating openings are directly set on the right plate at shell protecgulum, after every cover ventilating opening, 1 desk fan is set respectively, by this 2 desk fan, compared with the fan of a larger volume of prior art, in significantly having promoted the ventilation and heat ability of Switching Power Supply, without the volume that increases Switching Power Supply, thereby also cost-saving, easy to install, applicability strengthens.(2) Switching Power Supply with double fan of the present utility model, by main to 2 switching power tubes and 4 output rectifying tubes etc. in circuit arrangement heating power device is fixedly mounted on the base side wall of aluminum shell by heat radiation fixture, 2 switching power tubes and 4 output rectifying tube heatings can effectively be dispelled the heat by shell, solved preferably the heat dissipation problem of main heating element.(3) Switching Power Supply with double fan of the present utility model, its heat radiation fixture that power component is fixed on outer casing base adopts U-shaped folder and screw, heat radiation fixture is close to power component and is participated in heat radiation, thereby makes the better heat-radiation effect of Switching Power Supply.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the protecgulum of the shell in Fig. 1, has also shown the fan being arranged on protecgulum in figure;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is that Fig. 1 removes the structural representation after the protecgulum of shell;
Fig. 5 is the perspective view of the heat radiation fixture in Fig. 4;
Fig. 6 is schematic block circuit diagram of the present utility model.
Reference numeral in above-mentioned accompanying drawing is as follows:
Shell 1, protecgulum 11, cover plate 11-1, left plate 11-2, right plate 11-3, ventilating opening 11-3-1, mounting screw hole 11-3-2; Base 12, epipleural 12-1, lower side panel 12-2, base plate 12-3;
Circuit arrangement 3, circuit board 30, connecting terminal block 31, switching tube 32, output rectifying tube 33,
Heat radiation fixture 4, U-shaped folder 41, base plate 41-1, screw hole 41-1-1, arc 41-2, screw 42.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
(embodiment 1)
See Fig. 1 to Fig. 4, the Switching Power Supply with double fan of the present embodiment, is mainly made up of shell 1, fan 2, circuit arrangement 3 and heat radiation fixture 4.
Shell 1 is mainly made up of protecgulum 11 and base 12.Cover plate 11-1, left plate 11-2 and right plate 11-3 that protecgulum 11 is connected by one form.The left plate 11-2 of protecgulum 11 and the left end vertical connection of cover plate 11-1; The right plate 11-3 of protecgulum 11 and the right-hand member vertical connection of cover plate 11-1; The left plate 11-2 of protecgulum 11 is shorter than right plate 11-3.The right plate 11-3 of protecgulum 11 is provided with 2 ventilating opening 11-3-1, and ventilating opening 11-3-1 is substantially fan-shaped ventilation hole by 3 and forms.The surrounding of the right plate 11-3 of protecgulum 11 is respectively provided with respectively 1 mounting screw hole 11-3-2.The right plate 11-3 of protecgulum 11 is above respectively provided with respectively 2 fan fixing screw holes on 2 ventilating opening 11-3-1 limits.
Epipleural 12-1, lower side panel 12-2 and base plate 12-3 that the base 12 of shell 1 is connected by one form.The upper end vertical connection of epipleural 12-1 and base plate 12-3; The right side of epipleural 12-1 is provided with the screw hole matching with the mounting screw hole 11-3-2 on the right plate 11-3 of protecgulum 11.The lower end vertical connection of lower side panel 12-2 and base plate 12-3; The right side of lower side panel 12-2 is provided with the screw hole matching with the mounting screw hole 11-3-2 on the right plate 11-3 of protecgulum 11.When installation, the protecgulum 11 of shell 1 is fixedly connected with by 4 screws after fastening with base 12.
Referring to Fig. 6, circuit arrangement 3 is mainly made up of circuit board 30 and the connecting terminal block 31 that is arranged on the circuit on circuit board 30 and is arranged on left end on circuit board 30.Connecting terminal block 31 is for the wiring of the I/O of circuit arrangement 3.On the position of the interior side to the rear of base 12 that circuit board 30 is fixedly mounted on shell 1 near base plate 12-3.
The circuit being arranged on circuit board 30 mainly contains: electromagnetic interference filter circuit, input rectifying filter circuit, switch switching circuit, transformer, output rectifier and filter, detection/protective circuit, control circuit module, drive circuit and fan rectifying filter circuit and voltage stabilizing circuit.
In circuit on circuit board 30, fan rectifying filter circuit and voltage stabilizing circuit are used to 2 desk fans that working power is provided; Voltage stabilizing circuit is connected in series with fan rectifying filter circuit; Fan rectifying filter circuit is electrically connected and obtains power supply with transformer, exports to voltage stabilizing circuit and carry out voltage stabilizing after rectification, filtering, and voltage stabilizing circuit has power output end, the power output end output direct current of voltage stabilizing circuit; The power end of 2 desk fans is electrically connected to obtain working power with the power output end of voltage stabilizing circuit; The output rectifier and filter being arranged in the circuit on circuit board 30 has power output end, the power end of 2 desk fans also can directly be electrically connected to obtain working power with the DC output end (DC end) that the power output end of output rectifier and filter is also the Switching Power Supply with double fan of the present embodiment, and the voltage of the DC output end of the Switching Power Supply with double fan of the rated operational voltage of fan 2 and the present embodiment output adapts.
Referring to Fig. 5, heat radiation fixture 4 is provided with 3 covers that structure is identical.Heat radiation fixture 4 is made up of U-shaped folder 41 and screw 42.U-shaped folder 41 is made up of base plate 41-1 and 2 arc 41-2 one.Base plate 41-1 is strip flat board, and position, intermediate portion is provided with screw hole 41-1-1.2 arc 41-2 are located at respectively the both sides on long limit of base plate 41-1 and outstanding to the same side of base plate 41-1.The material of U-shaped folder 41 is aluminium or steel, preferably adopts steel.
Still see Fig. 4, in the circuit on circuit board 30, contain 32 and 4 output rectifying tubes 33 of 2 switching tubes.Switching tube 32 and output rectifying tube 33 are the main heating element in the circuit on circuit board 30.
After 2 switching tubes 32 compress by the base plate 41-1 of the U-shaped folder 41 of 1 cover heat radiation fixture 4, be fixedly mounted on the epipleural 12-1 of base 12 by screw 42, and be positioned at the middle part location to the right of the epipleural 12-1 of base 12; Every 21 group lower side panel 12-2 that is fixedly mounted in the same way base 12 by other 2 cover heat radiation fixtures 4 respectively of 4 output rectifying tubes 33 goes up and is positioned at the middle part location to the left of the lower side panel 12-2 of base 12.Heat radiation fixture 4 is directly affixed with switching tube 32 and output rectifying tube 33, participates in heat radiation.
In sum, the Switching Power Supply with double fan of the present embodiment, by 2 cover ventilating openings are directly set on the right plate at shell protecgulum, after every cover ventilating opening, 1 desk fan is set respectively, by this 2 desk fan, compared with the fan of a larger volume of prior art, in significantly having promoted the ventilation and heat ability of Switching Power Supply, without the volume that increases Switching Power Supply, thereby also cost-saving, easy to install, applicability strengthens; By main to 2 switching power tubes and 4 output rectifying tubes etc. in circuit arrangement heating power device is fixedly mounted on the base side wall of aluminum shell by heat radiation fixture, 2 switching power tubes and 4 output rectifying tube heatings can effectively be dispelled the heat by shell, solved preferably the heat dissipation problem of main heating element; Adopt U-shaped folder and screw by heat radiation fixture power component being fixed on outer casing base, heat radiation fixture is close to power component and is participated in heat radiation, thereby makes the better heat-radiation effect of Switching Power Supply.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that departing from spirit and scope of the present utility model; can also make various conversion and variation and obtain the corresponding technical scheme being equal to, therefore all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (5)
1. there is a Switching Power Supply for double fan, comprise shell (1), fan (2) and circuit arrangement (3); Described shell (1) comprises protecgulum (11) and base (12), and protecgulum (11) is fixedly connected with base (12); Protecgulum (11) comprises cover plate (11-1), left plate (11-2) and the right plate (11-3) that one connects; Circuit arrangement (3) comprises and is arranged on the circuit board (30) in shell (1) and is arranged on the circuit on circuit board (30); Circuit on circuit board (3) comprises output rectifier and filter and fan rectifying filter circuit and voltage stabilizing circuit; Output rectifier and filter has power output end; Voltage stabilizing circuit is connected in series with fan rectifying filter circuit, and voltage stabilizing circuit has power output end; It is characterized in that:
The right plate (11-3) of described protecgulum (11) is provided with 2 ventilating openings (11-3-1); Described fan (2) is provided with 2; 1 of the each fixed installation of difference on the inwall that this 2 desk fan (2) is located at 2 ventilating openings (11-3-1) of the right plate (11-3) of protecgulum (11); This 2 desk fan (2) has respectively power end; The power end of this 2 desk fan (2) is electrically connected with the power output end of output rectifier and filter respectively or the power end of this 2 desk fan (2) is electrically connected with the power output end of voltage stabilizing circuit respectively.
2. the Switching Power Supply with double fan according to claim 1, is characterized in that: the voltage of the described rated operational voltage of fan (2) and the output of the power output end of output rectifier and filter matches.
3. the Switching Power Supply with double fan according to claim 1, is characterized in that: the ventilating opening (11-3-1) on the right plate (11-3) of described protecgulum (11) comprises that 3 are fan-shaped ventilation hole substantially; The right plate (11-3) of protecgulum (11) is above respectively provided with respectively 2 fan fixing screw holes on 2 ventilating openings (11-3-1) limit; Described 2 desk fans (2) are fixed on the right plate (11-3) of protecgulum (11) by 2 screws respectively.
4. the Switching Power Supply with double fan according to claim 1, is characterized in that: also comprise the heat radiation fixture (4) that 3 nested structures are identical; The base (12) of described shell (1) comprises epipleural (12-1), lower side panel (12-2) and the base plate (12-3) that one connects; In circuit on described circuit board (30), contain 2 switching tubes (32) and 4 output rectifying tubes (33); Described 2 switching tubes (32) are fixed on the epipleural (12-1) of base (12) by 1 cover heat radiation fixture (4); 4 every 2 one group, output rectifying tubes (33) are fixedly mounted on the lower side panel (12-2) of base (12) by other 2 cover heat radiation fixtures (4).
5. the Switching Power Supply with double fan according to claim 4, is characterized in that: described heat radiation fixture (4) comprises U-shaped folder (41) and screw (42); U-shaped folder (41) comprises base plate (41-1) and 2 arcs (41-2) of integral connection; Base plate (41-1) is strip flat board, and position, intermediate portion is provided with screw hole (41-1-1); 2 arcs (41-2) are located at respectively the both sides on long limit of base plate (41-1) and outstanding to the same side of base plate (41-1); The material of U-shaped folder (41) is aluminium or steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780070.4U CN203660905U (en) | 2013-11-29 | 2013-11-29 | Switch power supply possessing double fans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780070.4U CN203660905U (en) | 2013-11-29 | 2013-11-29 | Switch power supply possessing double fans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660905U true CN203660905U (en) | 2014-06-18 |
Family
ID=50927253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320780070.4U Expired - Fee Related CN203660905U (en) | 2013-11-29 | 2013-11-29 | Switch power supply possessing double fans |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203660905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113795100A (en) * | 2021-08-25 | 2021-12-14 | 长沙航特电子科技有限公司 | Intelligent manufacturing and processing technology of switching power supply |
-
2013
- 2013-11-29 CN CN201320780070.4U patent/CN203660905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113795100A (en) * | 2021-08-25 | 2021-12-14 | 长沙航特电子科技有限公司 | Intelligent manufacturing and processing technology of switching power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204216772U (en) | A kind of new type inverter | |
| CN203595981U (en) | Industrial multifunctional machine box | |
| CN103693518B (en) | Elevator control cabinet | |
| CN203660905U (en) | Switch power supply possessing double fans | |
| CN203617917U (en) | Switching power supply capable of dissipating heat easily | |
| CN210577282U (en) | Heat radiation structure of electric power distribution cabinet | |
| CN203617915U (en) | Rainproof switching power supply capable of dissipating heat easily | |
| JP2013252006A (en) | Motor driving device and air conditioner including the same | |
| CN203590672U (en) | Heat dissipation device of switching power supply | |
| CN203850880U (en) | Distributed DC power supply device for high-voltage switch cabinet | |
| CN208836465U (en) | A kind of high-power low pressure inverter structure | |
| CN201533254U (en) | Compact type switch power supply module | |
| CN205540556U (en) | Computer adaptation power | |
| CN206042585U (en) | Fan -less housing of forced air cooling integrated form converter | |
| CN209962151U (en) | Power-saving voltage stabilizer convenient to install | |
| CN205356170U (en) | Right angle circular arc dc -to -ac converter | |
| US20130107464A1 (en) | Ac/dc power supply apparatus | |
| CN214850987U (en) | High-voltage direct-current power supply | |
| CN111384671A (en) | Power distribution cabinet convenient to maintain | |
| CN209861342U (en) | Gradually-changed bright LED switching power supply | |
| CN218514141U (en) | Solar power supply equipment | |
| CN208316584U (en) | A kind of Switching Power Supply of subway automatically-controlled door | |
| CN203757493U (en) | LED (Light-Emitting Diode) spotlight | |
| CN220822878U (en) | Compressor frequency conversion device | |
| CN203788163U (en) | Small-size output intrinsic safety power supply |
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 |
Granted publication date: 20140618 Termination date: 20191129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |