CN201203183Y - Cooking fume exhauster illuminated by LED - Google Patents
Cooking fume exhauster illuminated by LED Download PDFInfo
- Publication number
- CN201203183Y CN201203183Y CNU2008200099854U CN200820009985U CN201203183Y CN 201203183 Y CN201203183 Y CN 201203183Y CN U2008200099854 U CNU2008200099854 U CN U2008200099854U CN 200820009985 U CN200820009985 U CN 200820009985U CN 201203183 Y CN201203183 Y CN 201203183Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- shell
- range hood
- circuit board
- led lighting
- 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
- 239000003517 fume Substances 0.000 title claims description 6
- 238000010411 cooking Methods 0.000 title 1
- 239000003990 capacitor Substances 0.000 claims abstract description 12
- 238000001771 vacuum deposition Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 10
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052753 mercury Inorganic materials 0.000 abstract description 3
- 230000004313 glare Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 5
- 239000006233 lamp black Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2064—Removing cooking fumes illumination for cooking hood
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a ventilator using a light emitting diode for illumination. The ventilator comprises a shell, a mainframe, a smoke collection hood and an illumination device. The illumination device comprises a shell and a lamp hood arranged at the bottom of the shell; a circuit board is arranged in the shell and is provided with a lamp group composed of a plurality of light emitting diodes; the circuit board is also provided with a resistor capacitor dropping device which is connected with the lamp group. As for the ventilator according to the utility model, the illumination device adopts the light emitting diode lamp group; the surface temperature of the lamp is low; the light beams are uniform in terms of illumination and do not glare; the lamp components do not contain azoth or mercury component, do not do harm to human bodies and are environment-friendly. The circuit board is provided with the resistor capacitor dropping device and integrates a light emitting diode driving line into a hole, thereby greatly improving the cost performance of the LED illumination.
Description
Technical field
The utility model relates to a kind of range hood, particularly a kind of range hood that adopts led lighting.
Background technology
In recent years, the LED illumination progressively causes common people's attention as a kind of novel light source, also be applied to simultaneously the lampblack absorber illumination, apply on November 29th, 2002 as the applicant, Granted publication number is CN2747490Y, the day for announcing is the utility model patent on December 21st, 2005, disclose a kind of with the LED lampblack absorber that throws light on, comprise casing, the blower fan assembly, air outlet, exhaust fume collecting hood, air inlet, filtering screen, catchment cup, lampshade plate and lighting device, described lighting device is with the illuminating lamp of light emitting diode as light emitting source, and it comprises that a bottom has the lampshade shell of opening, be located at the circuit board in the described lampshade shell, be located at a plurality of light emitting diodes and the power line that is used for for described lumination of light emitting diode on the described circuit board, be located at the light-passing board of described lampshade shell bottom, and the jump ring of being located at described lampshade shell top and being used for connecing with described lampshade integrated circuit board.Not only energy-saving and environmental protection of the lighting device that the utility model adopted, safe in utilization, and lamp Shu Zhaoming is even, not dazzling.In applicant's the above-mentioned patent, the driver of LED lamp is arranged in the control circuit of range hood, and its power supply adopts the external LED driver.For the lampblack absorber that adopts mechanical switch control motor speed and illumination, if throw light on LED, palpus is the configuration led driver separately, has so just increased the manufacturing cost of range hood.
The utility model content:
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of range hood simple in structure, easy to use is provided.
According to embodiment of the present utility model a kind of range hood that adopts led lighting is proposed, comprise housing, main frame, exhaust fume collecting hood and lighting device, described lighting device comprises shell and is arranged on the lampshade of described shell bottom, in described shell, circuit board is installed, on described circuit board, be provided with the lamp group of forming by a plurality of light emitting diodes, also be provided with the resistance-capacitance depressurization device on described circuit board, described resistance-capacitance depressurization device is electrically connected with described lamp group.
The range hood of the employing led lighting that provides according to the utility model also has following additional technical feature:
Draw lead-in wire in described shell, the end that described lead-in wire is positioned at described shell is colluded and is welded on the described resistance-capacitance depressurization device.
The exit of described lead-in wire is connected with crimp type terminal.
Described resistance-capacitance depressurization device comprises a resistance-capacitance depressurization circuit, and described resistance-capacitance depressurization circuit comprises reduction voltage circuit that first resistance R 1 and first capacitor C 1 constitute and the bridge rectifier of being made up of diode D1, diode D2 diode D3, diode D4.
Described resistance-capacitance depressurization circuit also comprises the insurance resistance R _ f that is connected with power supply, connect with described insurance resistance R _ f in described first resistance R 1 and first capacitor C, 1 back parallel with one another, described reduction voltage circuit is connected with described lamp group through bridge rectifier, current-limiting resistance R3, Zener diode DZ, filter capacitor C3 and filter capacitor C4.
Be formed with lug boss on the described outer casing inner wall, described circuit board is arranged at the top of described lug boss.
The outward flange of described circuit board and the internal perisporium of described lampshade shell fit tightly together, and a plurality of light emitting diodes of described lamp group are evenly distributed on the bottom surface of described circuit board, and described lead-in wire stretches out from the top of described shell.
The inwall of described shell is coated with vacuum coating.
Described shell and described lampshade are circular.
Described shell and described lampshade are triangle.
The range hood of the employing led lighting that provides according to the utility model compared with prior art has following advantage at least:
1, according to the range hood of employing led lighting described in the utility model, described lighting device adopts led lighting, at the bottom of the lamp epidermis side temperature, lamp Shu Zhaoming is even, and is not dazzling, the composition of no mercury or mercury in the lamp assembly, can not damage environmental protection to human body.
2, according to the range hood of employing led lighting described in the utility model, the resistance-capacitance depressurization device is installed on described circuit board, integrates light emitting diode and driver, improved the cost performance of LED illumination greatly.
3, according to the range hood of employing led lighting described in the utility model, described lighting device adopts the lead-in wire mode, the other end crimp type terminal of line (with EL, connectors such as SM are supporting), chip socket.Realize easily being connected with power supply.
4, according to the range hood of employing led lighting described in the utility model, described lead-in wire adopts " colluding weldering " mode to be connected with circuit board, satisfy creep age distance and electric clearance on reinforced insulation, the security when having improved described lighting device and using.
The additional aspect advantage of the utility model will partly provide in the following description, and part will become more obvious from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and other aspects of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the structural representation according to the described lighting device of the utility model embodiment;
Fig. 2 is the cutaway view according to the described lighting device of the utility model embodiment;
Fig. 3 is the described schematic diagram that colludes the weldering mode according to the utility model embodiment;
Fig. 4 is the resistance-capacitance depressurization circuit diagram according to the utility model embodiment;
Fig. 5 is the cutaway view according to the described lighting device of the utility model embodiment;
Fig. 6 is the upward view according to the described lighting device of the utility model embodiment;
Fig. 7 is according to the upward view of the described lighting device of another embodiment of the utility model.
The specific embodiment:
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented components identical.Be used to explain the utility model below by the embodiment that is described with reference to the drawings, described embodiment is exemplary, and can not be interpreted as restriction of the present utility model.
Referring to Fig. 1, shown in Figure 2, a kind of range hood that adopts led lighting that provides according to the utility model, comprise housing, main frame, exhaust fume collecting hood and lighting device 1, wherein said housing, main frame, exhaust fume collecting hood are prior art, so do not illustrate in the accompanying drawings.Described lighting device 1 comprises shell 2 and is arranged on the lampshade 3 of described shell 2 bottoms, in described shell 2, circuit board 4 is installed, on described circuit board 4, be provided with the lamp group of forming by a plurality of light emitting diodes 5, also be provided with resistance-capacitance depressurization device 6 on described circuit board 4, described resistance-capacitance depressurization device 6 is electrically connected with described lamp group 5.It is described lamp group 5 power supplies that described resistance-capacitance depressurization device 6 changes civil power into direct current, need to prove that above-mentioned resistance-capacitance depressurization device 6 can convert civil power to single light emitting diode, a plurality of light emitting diode and connect or a plurality of light emitting diode is connected in series needed voltage, here only need change the electric capacity that described resistance-capacitance depressurization device 6 comprised and the numerical value of resistance in advance, so described resistance-capacitance depressurization device 6 can be for one or more.As mentioned above, after described resistance-capacitance depressurization device 6 is set on the described circuit board, described lighting device 1 can directly be connected with civil power, do not need to install the drive circuit that is used to drive described light emitting diode, transformer for example, improve the cost performance of using led lighting greatly, reduced to adopt the production cost of the range hood of led lighting.
Referring to shown in Figure 2, according to the foregoing description of the present utility model, in described shell 2, draw lead-in wire, the end 9 that described lead-in wire is positioned at described shell is colluded and is welded on the described resistance-capacitance depressurization device 6.Described lead-in wire is used for being connected with power supply, for example, is connected with civil power, and the end 9 that described lead-in wire is positioned at described enclosure is colluded the weldering mode and is connected with adopting with described resistance-capacitance depressurization device 6.
Referring to Fig. 3, according to the foregoing description of the present utility model, described lead-in wire is positioned at the end 9 of described enclosure and the leader of described resistance-capacitance depressurization device 6, the leader of a resistance for example, employing is colluded the weldering connected mode and is connected, the described weldering mode of colluding is end that described lead-in wire is positioned at described enclosure and is wrapped in described resistance leader and goes up and weld, and for example twines a circle and is welded to each other together.Adopt this mode of colluding weldering not only to make welding, improved the security when lighting device uses more in conjunction with the creep age distance and the electric clearance that firmly can also satisfy on reinforced insulation.
Referring to shown in Figure 2, according to the foregoing description of the present utility model, the exit of described lead-in wire is connected with crimp type terminal 7.Described crimp type terminal 7 is and the supporting chip sockets of connector such as EL, SM, can and power supply, for example be the more convenient connection of civil power.
According to the foregoing description of the present utility model, described resistance-capacitance depressurization device 6 comprises a resistance-capacitance depressurization circuit, described resistance-capacitance depressurization circuit comprises reduction voltage circuit that first resistance R 1 and first capacitor C 1 constitute and by diode D1, diode D2, diode D3, the bridge rectifier that diode D4 forms, adopt above-mentioned circuit to supply direct current for described lamp group 5 bodies, lamp group 5 can be worked normally, and need other dropping equipment be installed in lampblack absorber, reduced the production cost of this type of lampblack absorber.
Referring to shown in Figure 4, according to the foregoing description of the present utility model, described resistance-capacitance depressurization circuit also comprises the insurance resistance R _ f that is connected with power supply, described first resistance R 1 and first capacitor C, 1 parallel with one another then the series connection with described insurance resistance R _ f, and described reduction voltage circuit is connected with described lamp group through bridge rectifier, current-limiting resistance R3, Zener diode DZ, filter capacitor C3 and filter capacitor C4.After adopting this circuit, strengthened the stability of described resistance-capacitance depressurization circuit, this circuit can provide comparatively galvanic current for described lamp group 5, and the light that lamp group 5 is sent is bright more, even.
Referring to shown in Figure 5, according to embodiment of the present utility model, on described shell 2 inwalls, be formed with lug boss 21, described circuit board 4 is arranged at the top of described lug boss 21.Described lug boss 21 can upwards hold up described circuit board 4, makes described illuminator structure simpler, easy for installation like this, has reduced to become to produce cost.
Referring to shown in Figure 2, according to embodiment of the present utility model, the tight card of internal perisporium of the outward flange of described circuit board 4 and described lampshade shell 2 lumps together, and for example, can use glue that the internal perisporium tight card of described circuit board 4 with described lampshade shell 2 lumped together.A plurality of light emitting diodes of described lamp group are evenly distributed on the bottom of described circuit board 4, and described lead-in wire is stretched out by the top of described shell 2.
Referring to shown in Figure 2, according to embodiment of the present utility model, the inwall of described shell 2 is coated with vacuum coating.After having carried out the processing of vacuum film on the inwall of described shell, lamp Shu Zhaoming is even, and is not dazzling, improved lighting quality.
Referring to shown in Figure 6, according to embodiment of the present utility model, in order to increase aesthetic feeling, described shell 2 and described lampshade 3 are circular.
Referring to shown in Figure 7, according to embodiment of the present utility model, in order to increase aesthetic feeling, described shell 2 and described lampshade 3 are triangle.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can change that scope of the present utility model is limited by claims and equivalent thereof to these embodiment.
Claims (10)
1, a kind of range hood that adopts led lighting, comprise housing, main frame, exhaust fume collecting hood and lighting device (1), described lighting device (1) comprises shell (2) and is arranged on the lampshade (3) of described shell (2) bottom, it is characterized in that: circuit board (4) is installed in described shell (2), on described circuit board (4), be provided with the lamp group of forming by a plurality of light emitting diodes (5), also be provided with resistance-capacitance depressurization device (6) on described circuit board (4), described resistance-capacitance depressurization device (6) is electrically connected with described lamp group (5).
2, the range hood of employing led lighting according to claim 1 is characterized in that: draw lead-in wire in described shell (2), the end (9) that described lead-in wire is positioned at described shell is colluded and is welded on the described resistance-capacitance depressurization device (6).
3, the range hood of employing led lighting according to claim 2 is characterized in that: the exit of described lead-in wire is connected with crimp type terminal (7).
4, according to the range hood of claim 1 or 2 or 3 described employing led lightings, it is characterized in that: described resistance-capacitance depressurization device (6) comprises a resistance-capacitance depressurization circuit, and described resistance-capacitance depressurization circuit comprises reduction voltage circuit that first resistance (R1) and first electric capacity (C1) constitute and the bridge rectifier of being made up of diode (D1), diode (D2) diode (D3), diode (D4).
5, the range hood of employing led lighting according to claim 4, it is characterized in that: described resistance-capacitance depressurization circuit also comprises the insurance resistance (Rf) that is connected with power supply, connect with described insurance resistance (Rf) in described first resistance (R1) and first electric capacity (C1) back parallel with one another, described reduction voltage circuit is connected with described lamp group through bridge rectifier, current-limiting resistance (R3), Zener diode DZ, filter capacitor (C3) and filter capacitor (C4).
6, the range hood of employing led lighting according to claim 1 is characterized in that: be formed with lug boss (21) on described shell (2) inwall, described circuit board (4) is arranged at the top of described lug boss (21).
7, the range hood of employing led lighting according to claim 1, it is characterized in that: the internal perisporium of the outward flange of described circuit board (4) and described lampshade shell (2) fits tightly together, a plurality of light emitting diodes of described lamp group are evenly distributed on the bottom surface of described circuit board (4), and described lead-in wire stretches out from the top of described shell (2).
8, the range hood of employing led lighting according to claim 1 is characterized in that: the inwall of described shell (2) is coated with vacuum coating.
9, the range hood of employing led lighting according to claim 1 is characterized in that: described shell (2) and described lampshade (3) are for circular.
10, the range hood of employing led lighting according to claim 1 is characterized in that: described shell (2) and described lampshade (3) are triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200099854U CN201203183Y (en) | 2008-05-06 | 2008-05-06 | Cooking fume exhauster illuminated by LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200099854U CN201203183Y (en) | 2008-05-06 | 2008-05-06 | Cooking fume exhauster illuminated by LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201203183Y true CN201203183Y (en) | 2009-03-04 |
Family
ID=40425496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200099854U Expired - Fee Related CN201203183Y (en) | 2008-05-06 | 2008-05-06 | Cooking fume exhauster illuminated by LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201203183Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITAN20100133A1 (en) * | 2010-08-02 | 2012-02-03 | Spes Societa Cooperativa Per Azioni | SUCTION HOOD WITH WIRING AND INTEGRATED CIRCUIT. |
-
2008
- 2008-05-06 CN CNU2008200099854U patent/CN201203183Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITAN20100133A1 (en) * | 2010-08-02 | 2012-02-03 | Spes Societa Cooperativa Per Azioni | SUCTION HOOD WITH WIRING AND INTEGRATED CIRCUIT. |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20120506 |