CN2903851Y - Refrigerator door handle with illuminating function - Google Patents
Refrigerator door handle with illuminating function Download PDFInfo
- Publication number
- CN2903851Y CN2903851Y CN 200620000738 CN200620000738U CN2903851Y CN 2903851 Y CN2903851 Y CN 2903851Y CN 200620000738 CN200620000738 CN 200620000738 CN 200620000738 U CN200620000738 U CN 200620000738U CN 2903851 Y CN2903851 Y CN 2903851Y
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- Prior art keywords
- refrigerator
- handle
- door
- door handle
- lighting
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- Expired - Fee Related
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Abstract
The utility model relates to a refrigerator door handle with illuminating function, with an illuminating device placed on the handle. And ON/OFF of the illuminating device is controlled by an infrared inductive switch. When the user approaches the refrigerator, the illuminating device turns on automatically, thus the user can find the position of the refrigerator door handle clearly even at dark nights or when the light is dull without turning on indoor illuminating apparatus. Hence the device provides convenience to life.
Description
Technical field
The utility model relates to a kind of refrigerator, especially the door handle of switch refrigerator doors.
Background technology
Some refrigerator is provided with door handle on the door body of especially jumbo clamshell doors refrigerator usually, and the door body is hinged through the hinge on the refrigerator body, and pull handle is opened refrigerator doors.But when night or light darkness, if need to open refrigerator doors, need open the position that indoor illuminating lamp just can accurately find handle, refrigerator doors is opened, this moment, the user can feel inconvenient.Still the technical scheme of not having this type of problem of solution in the prior art.
The utility model content
The purpose of this utility model provides a kind of door handle of refrigerator that illumination functions is arranged, though make the user when night or light are dark, also can accurately know the refrigerator handle the position and needn't opening chamber's interior lighting device, thereby bring convenience to the user.
To achieve these goals, the technical solution adopted in the utility model is: a kind of door handle of refrigerator, handle is fixed on the refrigerator door, the door body is connected on the refrigerator body by hinge box, it is characterized in that, handle is provided with lighting device, and lighting device comprises luminescent device and the power circuit that is connected with luminescent device, and the switch of control luminescent device on/off.
Above-mentioned luminescent device can be illuminating lamp tube or bulb.
Above-mentioned luminescent device can embed in the handle, and outside luminescent device one side of installing of handle covers transparent or semitransparent lampshade.
One end of handle can be directly fixed on the refrigerator door, the other end of the handle end that slightly position at wearing or featuring stage armour hand middle part can fixedly connected leader's seat, and the other end of handle base is fixedly connected on the refrigerator door.
The power line of lighting device can link to each other with the power supply of refrigerator.The power circuit of lighting device passes the door foaming layer, enters the foam box layer by hinge box again, links to each other with the refrigerator power supply.
Can be provided with one on the power circuit of lighting device near switch.
Above-mentioned can be the human body infrared sensing switch near switch.One infrared sensor probe is arranged on this switch.This sensor probe can be arranged on the handle.Be preferably disposed on the end that handle is connected with handle base, the refrigerator doors direction is outward-dipping outstanding because of this end links to each other with handle base dorsad, and sensor probe is installed in this place can make the investigative range maximum.
One photosensitive circuit that comprises photo resistance also can be set in the circuit of above-mentioned human body infrared sensing switch.
The beneficial effects of the utility model are: lighting device is set on handlebar stem, even in the place of night or light darkness, also can clearly indicates the position of door handle, bring convenience to the user; Lighting device have only when human body near refrigerator and when night or light are dark luminous lighting, avoid unnecessary frequent unlatching, therefore not only energy-conservation, and can prolong life-span of lighting device; And the color by Transparent lamp shade is selected, the direction of light irradiation is provided with etc., also can increase the aesthetic feeling of refrigerator, improves the grade of refrigerator.
Description of drawings
Fig. 1 is the outward appearance front view that has the refrigerator of door handle
Fig. 2 is the cutaway view that the utility model has the door handle of lighting device
Fig. 3 is the illuminating effect schematic diagram of the utility model door handle of having lighting device
Fig. 4 is a kind of schematic diagram of infrared sensing switch module
Fig. 5 is the internal circuit block diagram of module shown in Figure 4
Fig. 6 is the circuit diagram of the infrared sensing switch of lighting device of the present utility model
The specific embodiment
What Fig. 1 showed is a kind of outward appearance front view of clamshell doors refrigerator, arrives door body 1 and door handle 2 as seen from the figure.The visible door of Fig. 2 and Fig. 3 body 1 is connected on the refrigerator body 10 by hinge box 3, one end 2a of handle 2 is directly fixed on the refrigerator door 1, the other end 2b of handle slightly by under an end of position connection leader seat 4, the other end of handle base 4 is fixedly connected on the refrigerator door 1.
Above-mentioned door handle 2 is provided with lighting device, and lighting device comprises luminescent device and the power circuit 6 that is connected with luminescent device, is connected to power switch 7 on the power circuit 6.In embodiment shown in Figure 2, can see that this luminescent device is a fluorescent tube 5.The two ends of fluorescent tube 5 connect power line 6 respectively, and power line 6 passes the door foaming layer, pass upper hinge box 3 places again and enter casing 10 foaming layers, link to each other with the refrigerator power supply.
The comfortable feel that be to keep handle 2 is provided with an elongated slot that can hold fluorescent tube on handle 2, above-mentioned illuminating lamp tube 5 can be embedded in the handle, in outside illuminating lamp tube 5 one sides of installing of handle one transparent or semitransparent lampshade 8 is installed again.
Connect the power supply of illuminating lamp tube 5, fluorescent tube 5 is luminous, therefore when night or light darkness, can accurately indicate the position of handle.And, by the position of fluorescent tube 5 being set, the light directional illumination that fluorescent tube 5 is sent.As shown in Figure 3 among the embodiment, fluorescent tube 5 can be arranged on the handle 2 a side over against refrigerator doors 1, the light direct irradiation that fluorescent tube 5 sends is (dash area is the signal of light-illuminating direction among the figure) on door body 1, make the user when seeing handle 2, the direct projection that eyes can not be subjected to the light that fluorescent tube sends stimulates, both indicated the position of handle, visually sensation is also more comfortable.If cooperate the lampshade of different colours, then can send the light of different colours, so can not only play the effect of illumination and indication handling position, also can decorate and beautify refrigerator, improve the class and the grade of refrigerator.
The power switch of above-mentioned illuminating lamp tube still can make the user feel inconvenience if adopt traditional hand switch mode.Therefore, can adopt can automatic control circuit break-make near switch.So-called is by certain sensor element near switch, and the switch that perceptual object is approaching is finished the connecting and disconnecting of controlled circuit by it.Because the sensor of switch to having sensitiveness near object, is shifted to sensor as object, and when being close to certain distance, sensor just has perception, and switch just can move.
Have multiplely near switch, adopt infrared sensing switch in the present embodiment.One infrared sensor probe 9 is arranged on this switch, and this sensor probe 9 can be arranged on the handle, and is preferably disposed on end 2b place, a refrigerator doors direction dorsad that is connected with handle base 4 near handle 2.Outwards give prominence to because of this end links to each other with handle base 4, sensor probe 9 is installed in this end can make the investigative range maximum, again can be not touched when push and pull bar.When the people walked close to refrigerator, sensor probe 9 was sensed the someone and is walked close to, and passes the signal along to sensing switch 7, and switch 7 is connected, and illuminating lamp tube 5 is luminous, thus the position of indication handle 2.After the people left, sensor probe 9 was sensed the people and is left, and switch 7 disconnects, and fluorescent tube 5 extinguishes.
The purpose that lighting device is set is can indicate handle 2 positions automatically when making things convenient for night or light dark, but if above-mentioned infrared sensor switch is only by infrared acquisition control circuit break-make, can cause that illuminating lamp tube also can be shinny by day.Therefore, also can increase by a photosensitive circuit in the circuit of above-mentioned infrared sensing switch, a photo resistance is set in the photosensitive circuit, the resistance of photo resistance changes with the power of ambient light, and passes through the break-make of the variation gauge tap of resistance.Above-mentioned setting makes lighting device only when night or light are dark, and the user is when walking close to refrigerator, and illuminating lamp tube just can be luminous.
Infrared sensing switch in the present embodiment has adopted LS-2 type infrared sensing switch module.LS-2 is a kind of reflection-type inducted switch module that integrates infrared emission circuit, receiving circuit and drive circuit, as shown in Figure 4.The pin function of this module is as follows: V+ is a positive source, 4～6V (DC), and electric current 2～4mA, V-are power cathode; J-is the infrared receiving tube negative pole; J+ is the infrared receiving tube positive pole.F+ is the infrared transmitting tube positive pole; L1 is monostable output 1 end, when circuit inductance arrives signal, and 1 second high level of this end output; L2 is monostable output 2 ends, when induced signal disappears, and 1 second high level of this end output, R is the current-limiting resistance incoming end, P and NC are empty pin.
Fig. 5 is a LS-2 inside modules circuit block diagram.The a branch of IR of LS-2 module emission itself, if in the range of this bundle IR, have an object to block IR, and with IR reflected back module, then when the IR intensity that reflects is enough, processing such as receiving terminal will be delayed time to this signal, identification also drives 1 second high level (crossing V+ value) of monostable output L1 output, gets back to zero (V_ value) then.When object leaves, there is not reflection ray to enter receiving terminal, 1 second high level (reaching the V+ value) of the monostable output L2 output of circuit drives is got back to zero (V_ value) then.
The utility model according to the infrared sensing switch circuit of above-mentioned principle design as shown in Figure 6.Infrared receiving tube PH302 and infrared transmitting tube PH303 form the infrared sensor probe.When infrared transmitting tube PH303 launched a branch of IR, if there is the people close, then infrared beam was by human body reflected back LS-2 module, infrared receiving tube PH302 receives infrared light, and this signal sent into the LS-2 internal circuit, after internal circuit is handled, by 1 second high level of L1 end output.This level triggers one-way SCR VT1 conducting, L1 returns zero after 1 second, because one-way SCR has memory function, thereby still keeps conducting state, the relay J adhesive, its contact J closure, the power supply of connection illuminating lamp tube 5, lamp lights.If the people leaves, then IR no longer is reflected, and L2 exports 1 second high level, VT2 conducting, VT1 is lost keep the voltage of its conducting and end, VT2 ends after 1 second, and this moment, VT1 was in closed condition always, the contact J of relay discharges, and the power supply of illuminating lamp tube 5 is closed, and lamp extinguishes.
Also be provided with photosensitive circuit in the said switching circuit, be connected in the earth terminal of current-limiting resistance R.The triode Q2 that one photo resistance CDS and series connection with it are arranged in the photosensitive circuit, when daytime or ambient light are brighter, photo resistance CDS resistance in the photosensitive circuit is less, triode Q2 conducting can not be formed earth current, so the time infrared transmitting tube do not work, whether the infrared sensor probe can't detect has the people approaching, and illuminating lamp can be not bright; Certainly can increase by manual switch SW 1 positive opening makes lamp bright.When night or light were dark, the photo resistance resistance was bigger, and the pressure drop on it is conducting to ground with triode, infrared transmitting tube work, according to aforementioned operation principle, when detect the people near the time, the lighting circuit connection, lamp is bright; When the people left, the power supply of illuminating lamp tube was disconnected, and lamp extinguishes.Photosensitive circuit is set lighting device is not opened in the bright mistiming of light, only night or light dark to a certain degree the time lighting device power connection, play a role in lighting.
C2 selects the CJ10-400V metal film capacitor for use in the circuit, also available withstand voltage be the above dacron terylene condenser of 400V, DW is the 6V Zener diode, J adopts JRF-13F type CD/6V contact 220V miniature relay.VT2 select for use 9013 or the 3DG12 type in power silicon crystal triode.The span of current-limiting resistance R is 1 Ω-510 Ω.Its corresponding reflective distance be 4cm to 1m, resistance is more little, reflective distance is far away more, can be decided according to the actual requirements.
The utility model also can adopt other types near switch, as capacitive approach switch, audio-switch etc., this type of switch and other all can adopt prior art near switch.
Claims (10)
1, a kind of door handle of refrigerator with self-lighting function, handle is fixed on the refrigerator door, the door body is connected on the refrigerator body by hinge box, it is characterized in that: described handle is provided with lighting device, lighting device comprises luminescent device and the power circuit that is connected with luminescent device, and the switch of control luminescent device on/off.
2, the door handle of refrigerator of band self-lighting function according to claim 1 is characterized in that: described luminescent device is illuminating lamp tube or bulb.
3, the door handle of refrigerator of band self-lighting function according to claim 1 is characterized in that: described luminescent device embeds in the handle, and the outside side that luminescent device is installed of handle covers transparent or semitransparent lampshade.
4, the door handle of refrigerator of band self-lighting function according to claim 1, it is characterized in that: an end of handle is directly fixed on the refrigerator door, the other end of handle slightly connects an end of leader's seat near the fixed-site of end, the other end of handle base is fixedly connected on the refrigerator door.
5, the door handle of refrigerator of band self-lighting function according to claim 1 is characterized in that: the power circuit of lighting device, pass the door foaming layer, and enter the foam box layer by hinge box again, and link to each other with the refrigerator power supply.
6, the door handle of refrigerator of band self-lighting function according to claim 1 is characterized in that: be provided with one near switch on the power circuit of lighting device.
7, the door handle of refrigerator of band self-lighting function according to claim 6 is characterized in that: described is infrared sensing switch near switch, and infrared sensor probe is arranged on this infrared sensing switch, and this sensor probe is arranged on the handle.
8, the door handle of refrigerator of band self-lighting function according to claim 7 is characterized in that: sensor probe is arranged on the end that handle is connected with handle base, refrigerator doors direction dorsad.
9, according to the door handle of refrigerator of claim 7 or 8 described band self-lighting functions, it is characterized in that: a photosensitive circuit also is set in the circuit of described infrared sensing switch, the triode of a photo resistance and series connection with it is arranged in the photosensitive circuit.
10, the door handle of refrigerator of band self-lighting function according to claim 1 is characterized in that: the luminescent device of lighting device is arranged on the side of handle up knob over against refrigerator doors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000738 CN2903851Y (en) | 2006-01-18 | 2006-01-18 | Refrigerator door handle with illuminating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000738 CN2903851Y (en) | 2006-01-18 | 2006-01-18 | Refrigerator door handle with illuminating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2903851Y true CN2903851Y (en) | 2007-05-23 |
Family
ID=38079266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620000738 Expired - Fee Related CN2903851Y (en) | 2006-01-18 | 2006-01-18 | Refrigerator door handle with illuminating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2903851Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571263A (en) * | 2016-02-25 | 2016-05-11 | 合肥华凌股份有限公司 | Refrigerator door and refrigerator |
| EP2188573B1 (en) * | 2007-08-10 | 2016-09-07 | Electrolux Home Products, Inc. | Appliance with current conduction system |
| EP3136002A1 (en) * | 2015-08-27 | 2017-03-01 | Electrolux Appliances Aktiebolag | Door handle for a door of a domestic appliance |
| CN108397950A (en) * | 2018-01-05 | 2018-08-14 | 青岛海尔股份有限公司 | Refrigeration equipment and its control method |
| US11006812B2 (en) | 2018-10-11 | 2021-05-18 | Haier Us Appliance Solutions, Inc. | Status indicator and lighting assembly for an appliance door |
-
2006
- 2006-01-18 CN CN 200620000738 patent/CN2903851Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2188573B1 (en) * | 2007-08-10 | 2016-09-07 | Electrolux Home Products, Inc. | Appliance with current conduction system |
| EP3136002A1 (en) * | 2015-08-27 | 2017-03-01 | Electrolux Appliances Aktiebolag | Door handle for a door of a domestic appliance |
| WO2017032515A1 (en) * | 2015-08-27 | 2017-03-02 | Electrolux Appliances Aktiebolag | Door handle for a door of a domestic appliance |
| CN105571263A (en) * | 2016-02-25 | 2016-05-11 | 合肥华凌股份有限公司 | Refrigerator door and refrigerator |
| CN105571263B (en) * | 2016-02-25 | 2018-05-11 | 合肥华凌股份有限公司 | Refrigerator doors and refrigerator |
| CN108397950A (en) * | 2018-01-05 | 2018-08-14 | 青岛海尔股份有限公司 | Refrigeration equipment and its control method |
| US11006812B2 (en) | 2018-10-11 | 2021-05-18 | Haier Us Appliance Solutions, Inc. | Status indicator and lighting assembly for an appliance door |
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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: 20070523 Termination date: 20100219 |