CN108809287A - Optical switch for controlling charge energization - Google Patents
Optical switch for controlling charge energization Download PDFInfo
- Publication number
- CN108809287A CN108809287A CN201810410223.3A CN201810410223A CN108809287A CN 108809287 A CN108809287 A CN 108809287A CN 201810410223 A CN201810410223 A CN 201810410223A CN 108809287 A CN108809287 A CN 108809287A
- Authority
- CN
- China
- Prior art keywords
- light
- optical switch
- relative
- receiver apparatus
- emitting device
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
Abstract
Optical switch includes the light-emitting device (E) and optical receiver apparatus (R) of light,These devices by equipment (E) at least two element (E1,E2 a carrying in),These devices are associated in charge (CE) energization or electronic control module (MC) of off-position,And depend on bit unit (E1 removable relative to each other,E2 relative positioning),Light reflecting device (RL) is by element (E1,E2 one in) carries and the light beam (FL) received from light-emitting device (DE) is reflected into optical receiver apparatus (DR),To be powered or power off to charge (CE),As element E1,When E2 is in the first relative positioning,Optical receiver apparatus (RL) no longer receives light beam (FL),And change the energized state of charge (CE),As element (E1,When at least one of E2) relative to another element relative shift,It goes to change the second relative positioning therebetween.
Description
Technical field
Optical switch of the present invention be for the different operation between at least two element of detection device, at them it
Between be angularly displaced from or linear movement, according to the opposite operation positioning between element, as indicated charge be powered or
Power operation.
For example, this optical switch can be applied to the refrigerator in household electrical appliance, and refrigerator contains relatively removable by one
Element composition structure cabinet, and at least one door is made of another element, for detecting at least one closing
With the situation of opening, it is based on above-mentioned function, is used for detecting whether to be powered like using the electric light in household electrical appliance.
Background technology
Known different technical solution is intended to determine the operation charged state of charge in a device, for example refrigerator is interior
Portion's lamp is depending on the operating position of the displaceable element of equipment.In the example mentioned, movable-component is by refrigerator
At least one is limited, and for the user, which can move between closed position and different open positions.
In known structure, go to permit by means of the electronics on device structure, the mode that mechanically or magnetically property switchs
Perhaps or prevention/interruption is powered, for example is driven by displaceable element in refrigerator storage cabinet, for another example refrigerator doors from completely close to
It moves the position of unlatching.
For refrigerator, electric switch is typically mounted on the structure cabinet of refrigerator, when moving between closed and open
It can just be driven when dynamic refrigerator doors.
Although they are widely used and the operation positioning according to door realizes it to the function that is respectively powered and powers off, than
Such as the fan of interior lamp or refrigerator frost-free system, for usually used electric switch, due to its deficiency, this cupboard to equipment
Cabinet aesthetics has negative effect, and faced with this situation, being installed into the driving element that can extend forward just can often be seen by the user,
To press being carried out when refrigerator doors are closed and be driven by refrigerator doors.
Other than aesthetic drawback above-mentioned, made commonly used in the electronic switch of this purpose since its element constantly works
At fatigue problem make it have relatively short service life, this is the one side for frequently resulting in operating trouble, a performance
Qualified operator may require that replacement electric switch.
Application correct and that reliably detect relative position between equipment component (such as the structure cabinet and refrigerator of refrigerator
Door) be equipment safety operation basic sides, common electric switch do not have required precision and reliability, in the available of equipment
In time limit, it is ensured that the safety operation of the relative positioning between the displaceable element of equipment.
Mechanical optical switch is one kind of the above-mentioned type, can be turned on and off in system, this switch carries armature contact,
In the case of refrigerator use, by the energization or power-off (fan in the interior lamp or frost-free refrigerator of refrigerator) of charge, work as handle
When door opens certain angle, start just not work to armature contact therefrom, be moved into key closes or opens position
It sets and activates or disconnect charge.This mechanical optical switch includes a large amount of element, with relatively high manufacturing cost and easily
The shortcomings that being influenced by operating trouble.
Invention content
The present invention is created with foundation the shortcomings that common electric mechanical switch, relatively operable at least two of device
Ground displaceable element is associated, and does not need the mechanical interaction between its element, these operations are relatively easy and construct
Cost is relatively low, even if the relative positioning between the opposite displaceable element of equipment haves no need to change equipment if having some variations
Original design and normal operation is remained able to, during the service life of the latter, without departing from being powered and powering off markers
When bright condition range, depending on the relative positioning between opposite displaceable element.
This photoswitch is powered according to the relative positioning between at least two elements of equipment to control, can be first and second
It is mutually displaced between relative position.
According to the present invention, which includes the transmitter-receiver device of light, can be relatively removable by one in equipment
Dynamic element when being carried, and operated only need to be powered or be powered off to electronic control module.
Optical switch further includes optical reflecting medium, this medium by opposite displaceable element another be powered and position with
Just it is reflected, for optical receiver apparatus, is powered or powers off by the light beam that control module is received from light-emitting device, at element
When the first relative positioning, optical receiver apparatus no longer receives light beam, and goes change power on condition by control module, when at least
When one element is shifted relative to another, go to limit the second relative positioning between them.
Above structure allows the transmitting of light and receiving device to be easily mounted in a relatively moveable element, such as
In the structure cabinet of refrigerator, optical reflecting medium is limited by combined partially reflecting surface, in the form of single-piece or plug-in unit
It is placed on another opposite displaceable element, such as refrigerator doors.
Description of the drawings
The present invention is described below in conjunction with the drawings and specific embodiments：
Fig. 1 shows the refrigerator being previously mentioned before being defined in after simplifying and with some graphic local perspective views
Structure cabinet, the top front face part of household electrical appliance are the door of a closure before, and illustration is to be in the state carried out completely, with
Illustrate the possible installation site of discussed photoswitch；
Fig. 2 shows the level cross-sectionn schematic diagrames of the refrigerator of Fig. 1, for illustrating that " door " this element is in shape when closing
State, wherein it is defined is mapped to light reflection matchmaker with the first relative positioning of element " structure cabinet ", the light beam emitted by light-emitting device
On Jie, and is thus reflected and be received by beam reception device.
Fig. 3 shows the view similar to Fig. 2, but show " door " element be in one slightly open when state,
Wherein it define with second relative positioning of " structure cabinet " element, the light beam of transmitting still penetrate on the reflecting medium of light and by
This reflection, but not received by beam reception device；
Fig. 4 is shown similar to the view of Fig. 2 and 3, but to illustrate that " door " element is in the shape of an opening bigger
State, wherein it is further defined no longer penetrates with second relative positioning of " structure cabinet " element, the light beam emitted by light-emitting device
Onto light reflection medium, this light beam is neither reflected by it nor is received by beam reception device.
Specific implementation mode
As previously mentioned, the present invention is related with the optical switch being powered about control, and depend at least two yuan of E equipment
The relative position of part E1, E2, move each other between the first and second relative positionings.
Different forms can be presented in E equipment, for example can be fixed by the refrigerator comprising E1 elements, can also be by babinet 10
It is fixed at least one other element E2, in this example, takes door 20 and carry out angled movement in the closed state
Form (Fig. 2), and using by 10 fixed element E1 of babinet come limit the first relative positioning and opening position (Fig. 3 and
Fig. 4), it is defined by the second relative positioning of 10 fixed element E1 of babinet therebetween.
In example arrangement as shown here, the element E1 that refrigerator cabinet 10 limits is made to be kept fixed, and door 20 is by another
A element E2 is fixed, and can angularly be moved between closed position and opening, and between retaining element E1 and E2
One and second relative position.In the other application in addition to refrigerator, above-mentioned photoswitch may be mounted at two element E1 and
E2 can be relative to each other in linearly moving equipment, for just fixed the first and second relative positionings between the two.
Design according to the present invention, photoswitch include the reception device DR of light-emitting device DE and light, this switch is by equipment E's
One relatively moveable element E1 and E2 carryings, and it is associated with the operation of MC control modules, and these usual equipment are electronics
, and can electric loading CE is powered or be powered off, such as the interior lamp of refrigerator or for providing pressure air-flow in frost-free refrigerator
Fan.
Light-emitting device DE can be fixed by the LED of transmitting infrared ray FL light beams, and DR is received by the reception device of LED light.
Photoswitch further includes light reflecting device RL, by a carrying in opposite displaceable element E1, E2 and with reflection
Mode positions.For optical receiver apparatus DR, be powered to charge CE by the light beam FL that control module MC is received from light-emitting device or
Power-off, when the element is in the first relative positioning (Fig. 2), optical receiver apparatus DR no longer receives light beam, by control module MC
The energized state for changing charge CE when at least one of E2 is relative to another relative shift, is gone both fixed as element E1
Between the second relative positioning (Fig. 3 and 4).
In the example in the figures, one in element E1, E2 is retaining element, is fixed by refrigerator cabinet 10, and carry
Light-emitting device DE and optical receiver apparatus DR, in addition to described element E1, E2, other elements are displaceable element, are limited by refrigerator doors 20
Determine and carries light reflecting device RL.
Light reflecting device RL with the part for carrying the reflecting surface 21 that its element E2 is combined by being limited, it is illustrated that
Representative configuration is limited by movable part, which takes the form of the door 20 of refrigerator.
The a part of of reflecting surface 21 can be limited by element E2 itself part reflecting faces for carrying it, in other words, Ke Yiyou
The forming material of refrigerator doors 20 itself limits, if towards the direction of optical receiver apparatus DR, the material shows reflection must
The reflection feature needed, light beam FL are emitted by light-emitting device DE.
Part reflecting face 11 shown in figure is plane.In addition, reflecting surface depends on optical switch mounting characteristic, part
Reflecting surface 21 can also use the form of curved surface.
As shown in Fig. 2, when FL light beams are sent out by light-emitting device DE, the first relative positioning is between two elements of E1, E2
It is mobile, and fall on RL light reflecting devices and received by optical receiver apparatus DR.It is real when door 20 is closed in legend
Existing first positioning, wherein light beam FL is reflected on optical receiver apparatus DR by a part for reflecting surface 21.
Show the most important condition of opposite second positioning between two elements E1, E2 in figure 3, wherein light beam FL by
Light-emitting device DE transmittings, and also fall on the reflection unit of light RL, also do not received by the reception device DR of light.
In the accompanying drawings, light beam RL passes through partially reflective surface 21 and is fixed on door 20, and one section of slight movement of door 20 is just sufficient
So that partially reflecting surface 21 is reflected along the directions light FL, wherein light is no longer received by optical receiver apparatus DR, and limits two
The second relative positioning state between element E1 and E2.Under this operating status, switch can change the charging shape of charge CE
State is limited by reflective surface portion 21 under normal conditions although final light beam FL can still be fallen on reflection unit RL, reflection face
Divide 21 can position in different ways and determine size.
As described above and shown in Fig. 2 and 3, in contrast with other elements, the second relative positioning can be opposite from first
At least one of element E1, E2 relative to each other is positioned to go be defined after certain angle or linear displacement.
Although not illustrating here, the relative displacement between two elements E1, E2 can be linear.In this feelings
Under condition, size and the positioning of part reflecting face 21 are depended on, for other, even if certain has occurred at least one element
A little initial linear displacements, light beam FL can also further be reflected and be received in optical receiver apparatus on it, and include light DE, DR
Plane it is parallel.
As shown in figure 4, the light beam FL reflected by part reflecting face 21 is by least one of element E1, E2 and passes through one
It after fixed initial displacement, is no longer received by optical receiver apparatus DR, is filled according to angle track or according to comprising shining and receiving
The orthogonal linear path of the plane of DE, DR is set, the variation of charge CE power on condition is caused.
Other than it may go to position and determine the positions and dimensions of light reflecting device RL and element E1, E2, wherein element
The luminous reception device DE and optical receiver apparatus DR of E1, E2 carrying, can also load with diverging or the lens L assembled, to carry
It for multiple light beam FL and is irradiated, each light reflecting device RL is by respective with carrying light-emitting device DE and optical receiver apparatus DR
The different element carrying of element.
The installation that photoswitch can easily be simplified using diverging/convergent lens L, with according to each member in two elements
The relative positioning of part is powered to control, such as the door (not shown) of combined refrigerator and another common components, the knot of combined refrigerator
Structure cabinet.
Although only having shown the realistic model of the present invention here, it is to be noted that, in no disengaging present invention
In the case of the protection domain that appended claims are covered, the shape and construction of building block can be changed.
Claims (14)
1. a kind of optical switch, the optical switch is controlled according to the relative positioning between two elements (E1, E2) of equipment (E)
The energization of charge (CE) processed, two elements (E1, E2) can be relative to each other between the first relative positioning and the second relative positioning
Displacement, the optical switch are characterized in that it includes：Light emitting devices (E) and optical receiver apparatus (R), by the opposite of equipment (E)
A carrying in displaceable element (E1, E2), and electronic control module (MC) that is powered or powers off to charge (CE) is related；
And light reflecting device (RL), the light reflecting device (RL) by opposite displaceable element (E1, E2) another carrying, and
It is positioned in a manner of reflection relative to optical receiver apparatus (DR), and light beam is received from light-emitting device (DE) by control module (MC)
(FL) charge (CE) is powered or is powered off, when the element (E1, E2) is in the first relative positioning, optical receiver apparatus (RL) is no
Receive light beam (FL) again, and charge (CE) energized state changed by control module (MC), when in element (E1, E2) at least
One when shifting relative to another, is gone to limit the second relative positioning between them.
2. optical switch according to claim 1, it is characterised in that light reflecting device (RL) is by reflective surface portions (11)
It is limited together with the element (E2) of carrying reflective surface portions (11).
3. optical switch according to claim 2, it is characterised in that its element sheet of reflective surface portions (11) carried
The part on the surface of body is limited.
4. the optical switch according to any one of Claims 2 or 3, it is characterised in that reflective surface portions are flat.
5. optical switch according to any one of claim 2 to 4, which is characterized in that when the element (E1, E2) is in
When the second relative positioning, the light beam emitted by light-emitting device (E) is no longer fallen in reflective surface portions (11).
6. optical switch according to claim 5, it is characterised in that the second relative positioning in element (E1, E2) at least
It is limited from the first relative positioning after one specific linear or angular displacement relative to another.
7. optical switch according to any one of claim 2 to 4, it is characterised in that the light emitted by light-emitting device (E)
Beam (FL) still falls within reflective surface portions (11) when element is located at the second relative positioning.
8. optical switch according to claim 6, which is characterized in that even if at least one element relative to another into
The certain initial linear displacement of row, in the plane for being parallel to the plane comprising light-emitting device and optical receiver apparatus, light beam
(FL) it is further reflected, and is received in the reception device of light by reflective surface portions (11).
9. optical switch according to claim 7, which is characterized in that relative to another, in element (E1, E2) extremely
After few one carries out certain initial displacement, the light beam (FL) of reflective surface portions (11) reflection is no longer by optical receiver apparatus
(DR) it receives, and according to angle track or according to orthogonal with the plane comprising light-emitting device and optical receiver apparatus (DE, DR) linear
Track determines.
10. optical switch according to any one of claim 1 to 9, which is characterized in that one in element (E1, E2)
It is the retaining element for carrying light-emitting device (DE) and optical receiver apparatus (DR), another described element (E2) is carrying light reflection dress
Set the displaceable element of (RL).
11. optical switch according to claim 10, it is characterised in that retaining element is limited by the cabinet (10) of equipment (E),
Displaceable element is limited by the closing door (20) of equipment (E).
12. according to feature described in claim 11, equipment (E) is refrigerator and door (20) is the front door of refrigerator.
13. optical switch according to any one of claim 1 to 9, it is characterised in that light-emitting device (DE) is that transmitting is red
The LED of outer Line beam (FL), and received by the optical receiver apparatus of LED light (DR).
14. optical switch according to any one of claim 1 to 13, it is characterised in that carrying light-emitting device and reception fill
The element (E1, E2) for setting (DE, DR) is equipped with diverging/convergent lens (L), goes to provide multiple light beams (FL) anti-to be incident on light respectively
On injection device (RL), light reflecting device is carried by the element for being different from carrying light-emitting device (DE) and optical receiver apparatus (DR).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR102017009161-9A BR102017009161A2 (en) | 2017-05-02 | 2017-05-02 | optical switch to control the energization of an electric charge |
| BR102017009161-9 | 2017-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108809287A true CN108809287A (en) | 2018-11-13 |
Family
ID=64093270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810410223.3A Pending CN108809287A (en) | 2017-05-02 | 2018-05-02 | Optical switch for controlling charge energization |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108809287A (en) |
| BR (1) | BR102017009161A2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140137574A1 (en) * | 2012-11-16 | 2014-05-22 | B/E Aerospace, Inc. | Aircraft galley cart door interlock |
| CN104930810A (en) * | 2014-08-11 | 2015-09-23 | 王爱玲 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN105546930A (en) * | 2014-10-24 | 2016-05-04 | Lg电子株式会社 | Touch sensor assembly, refrigerator door, and method for manufacturing the same |
-
2017
- 2017-05-02 BR BR102017009161-9A patent/BR102017009161A2/en unknown
-
2018
- 2018-05-02 CN CN201810410223.3A patent/CN108809287A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140137574A1 (en) * | 2012-11-16 | 2014-05-22 | B/E Aerospace, Inc. | Aircraft galley cart door interlock |
| CN104930810A (en) * | 2014-08-11 | 2015-09-23 | 王爱玲 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN105546930A (en) * | 2014-10-24 | 2016-05-04 | Lg电子株式会社 | Touch sensor assembly, refrigerator door, and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| BR102017009161A2 (en) | 2018-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111335806A (en) | Method and system for indicating door operation state | |
| EP3176637A1 (en) | Decorative lighting apparatus | |
| KR20120039591A (en) | Refrigerator | |
| ATE290812T1 (en) | HOUSEHOLD APPLIANCE THAT CAN BE INTEGRATED INTO A RANGE OF FURNITURE WITH A DISPLAY DEVICE | |
| WO2006091932A8 (en) | Road marker with remotely controllable display | |
| US20220182545A1 (en) | Imaging Device and Camera Having Night Vision Mode | |
| CN100444522C (en) | Induction type touch switch device | |
| EP2549217A1 (en) | Refrigerator | |
| CN108809287A (en) | Optical switch for controlling charge energization | |
| CN210488682U (en) | Self-service express delivery case of intelligence | |
| MX2007012048A (en) | Rocker key with led window . | |
| JP6494946B2 (en) | refrigerator | |
| CN1870195B (en) | Electric device with an illuminating function | |
| CN106437388A (en) | Garage door safety system for detecting obstacles | |
| CN1833148B (en) | Refrigerator | |
| KR20170014565A (en) | Refrigerator and method for controlling the same | |
| CN105041112A (en) | Device for opening or closing openings of vehicle | |
| CN102146759B (en) | Safety system for detecting obstacles for garage door moving along doorframe | |
| CN104501386A (en) | Panel component for household electrical appliance, air conditioner and light metering method for panel component | |
| JP2006112508A (en) | Electric actuator | |
| CN208605989U (en) | Indicator light with light conducting structure | |
| JP6872772B2 (en) | Lighting equipment and gas cooking system for gas stoves | |
| CN108254831A (en) | For the optics discharge cock of electric appliance | |
| EP3696128B1 (en) | Control push-button panel with a built-in lighting member for maintaining an elevator | |
| US10504671B2 (en) | Rotary actuator comprising a homogeneously illuminated display area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181113 |
|
| WD01 | Invention patent application deemed withdrawn after publication |