CN206712766U - A kind of diffusing reflection power switch of light - Google Patents
A kind of diffusing reflection power switch of light Download PDFInfo
- Publication number
- CN206712766U CN206712766U CN201720356862.7U CN201720356862U CN206712766U CN 206712766 U CN206712766 U CN 206712766U CN 201720356862 U CN201720356862 U CN 201720356862U CN 206712766 U CN206712766 U CN 206712766U
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- CN
- China
- Prior art keywords
- npn type
- power switch
- optical electric
- control circuit
- diffusing reflection
- 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.)
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Abstract
The utility model discloses a kind of diffusing reflection power switch of light, including housing and reflection type optical electric probe, the reflection type optical electric probe includes photoelectric sensor and NPN type photo-sensitive cell, the output end of the photoelectric sensor and the input of NPN type photo-sensitive cell are electrically connected with, the NPN type photo-sensitive cell is electrically connected with by wire and control circuit, the control circuit is electrically connected with by conductor line driving circuit, and the control circuit and drive circuit are installed in the inside of housing.The diffusing reflection power switch of the light, the device window at one 45 degree of angle in switch, reflection type optical electric probe is installed in window, the reflection type optical electric probe is provided with the function of sending signal and reception signal, pass through the diffusing reflection principle of light, cut off come controlling switch by cutting off divergent-ray and be again switched off just closing to open, without contact-making switch so as to reaching no maloperation and electric shock problem will not be touched.
Description
Technical field
The utility model belongs to power switch technical field, and in particular to a kind of diffusing reflection power switch of light.
Background technology
Switching Power Supply is to utilize modern power electronics technology, the time ratio that controlling switch pipe turns on and off, and remains steady
Determine a kind of power supply of output voltage, Switching Power Supply is typically made up of pulse width modulation (PWM) control IC and MOSFET.With
The development and innovation of Power Electronic Technique so that switch power technology is also innovated constantly.At present, Switching Power Supply with it is small-sized,
Light weight and efficient feature are widely used almost all of electronic equipment, are that current electronics and information industry rapid development can not
A kind of power mode lacked.
At present, all technology is thermal infrared sensing on the market, microwave induced, the cold failure in easy maloperation day and application surface
Product is small to may not apply to family.The utility model solve the easy maloperation of infrared thermoinduction at this stage and improve touch and
The safety issue of button switch.
Utility model content
The purpose of this utility model is the diffusing reflection power switch for providing a kind of light, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：A kind of diffusing reflection power switch of light, including
Housing and reflection type optical electric probe, tilt on the cover of the housing and offer window, the reflection type optical electric probe is arranged on
In window, the reflection type optical electric probe includes photoelectric sensor and NPN type photo-sensitive cells, the output of the photoelectric sensor
The input of end and NPN type photo-sensitive cell is electrically connected with, and the NPN type photo-sensitive cell is electrically connected by wire with control circuit
Connect, the control circuit is electrically connected with by conductor line driving circuit, and the control circuit and drive circuit are installed in housing
It is internal.
Preferably, the bottom both ends of the housing are provided with two groups of installation screw holes, and the bottom of the housing is equidistant at least
Provided with seven groups of power line binding posts.
Preferably, the reflection type optical electric probe is ST168 reflection type optical electric probes.
Preferably, the photoelectric sensor includes photodiode and voltage stabilizing triode, and the NPN type photo-sensitive cell includes
NPN type triode, two resistance and comparator, the photodiode and voltage stabilizing triode are in parallel, the photodiode with
Two terminals of the terminals connection of NPN type triode, two resistance and comparator connect, and are gone here and there between two resistance
Connection.
Preferably, the control circuit includes two IC chips, the model SN8F of the IC chip, and two IC chips are led to
The pin connection crossed between two IC chips, the pin of IC chip and the output end of NPN type triode are electrically connected with.
Preferably, the drive circuit includes a NPN type triode, a diode, a resistance and a switch,
The NPN type triode and switch in parallel, the diode are connected with the one end switched.
Technique effect of the present utility model and advantage：The diffusing reflection power switch of the light, one 45, the device in switch
The window at angle is spent, reflection type optical electric probe is installed in window, the reflection type optical electric probe, which is provided with to send signal and receive, to be believed
Number function, by the diffusing reflection principle of light, cut off come controlling switch by cutting off divergent-ray and be again switched off just to open
Guan Liao, without contact-making switch so as to reaching no maloperation and electric shock problem will not be touched.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is vertical view inner bay composition of the present utility model；
Fig. 3 is back seat view of the present utility model；
Fig. 4 is transversal profile figure of the present utility model；
Fig. 5 is circuit diagram of the present utility model.
In figure：1 housing, 2 reflection type optical electric probes, 3 windows, 4 photoelectric sensors, 5 NPN type photo-sensitive cells, 6 control electricity
Road, 7 drive circuits, 8 installation screw holes, 9 power line binding posts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model provides a kind of diffusing reflection power switch of light as Figure 1-5, including housing 1 and reflection
Type photoelectric probe 2, the reflection type optical electric probe 2 are ST168 reflection type optical electric probes, and the bottom both ends of the housing 1 are provided with
Two groups of installation screw holes 8, the bottom of the housing 1 are equidistant at least provided with seven groups of power line binding posts 9, the face of the housing 1
Cover inclination and offer window 3, the reflection type optical electric probe 2 is arranged in window 3, and the reflection type optical electric probe 2 includes
Photoelectric sensor 4 and NPN types photo-sensitive cell 5, the photoelectric sensor 4 includes photodiode and voltage stabilizing triode, described
NPN type photo-sensitive cell 5 includes NPN type triode, two resistance and comparator, and the photodiode and voltage stabilizing triode are simultaneously
One terminals of connection, the photodiode and NPN type triode connect, and two terminals of two resistance and comparator connect
Connect, and connected between two resistance, the output end of the photoelectric sensor 4 and the input of NPN type photo-sensitive cell 5 electrically connect
Connect, the NPN type photo-sensitive cell 5 is electrically connected with by wire and control circuit 6, and the control circuit 6 drives electricity by wire
Road 7 is electrically connected with, and the control circuit 6 includes two IC chips, the model SN8F of the IC chip, and two IC chips pass through
Pin connection between two IC chips, the pin of IC chip and the output end of NPN type triode are electrically connected with, the drive
Dynamic circuit 7 includes a NPN type triode, a diode, a resistance and a switch, and the NPN type triode is with opening
Parallel connection is closed, the diode is connected with the one end switched, and the control circuit 6 and drive circuit 7 are installed in the interior of housing 1
Portion.
Operation principle：ST168 reflection type optical electric probes, with face-piece into inclination angle.Sun light direct beam and people can effectively be avoided
Body passes through false triggering.The sensitivity of reflection type optical electric probe 2 is adjustable, encryption conduction, is effectively isolated environment false triggering；As shown in figure 5,
The IC transmittings lower right corner encryption waveform signal control infrared transmitting tube transmitting infrared light of control circuit 6, is so effectively avoided visible
Light, sunshine, the interference of incandescent light source, No. 2 parts are the NPN type photo-sensitive cell 5 of optoelectronic induction.When having what human hand was brandished
When block the transmitting light source of photoelectric sensor 4, have a transmitting light, reflex to the photosensitive of NPN type photo-sensitive cell 5
Above element, allow NPN type photo-sensitive cell 5 comparator negative input end current potential by high step-down.Again with the 2.5V bases of positive input terminal
Quasi- voltage compares, and it is positive signal so to allow signals reverse.The signal monitoring point for being sent to the IC of control circuit 6 is gone.When control electricity
The IC on road 6 is received such as the waveform in the figure lower right corner.(when receiving t=xms header file signal, behind start to receive
Signal be stored in a place with launch data contrast) data compared with matched with original signal when, control circuit 6
IC output switching signals control drive circuit 7 be switched on and off.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of diffusing reflection power switch of light, including housing (1) and reflection type optical electric probe (2), it is characterised in that：The shell
Tilted on the cover of body (1) and offer window (3), the reflection type optical electric probe (2) is arranged in window (3), the reflection
Type photoelectric probe (2) includes photoelectric sensor (4) and NPN type photo-sensitive cell (5), the output end of the photoelectric sensor (4) and
The input of NPN type photo-sensitive cell (5) is electrically connected with, and the NPN type photo-sensitive cell (5) passes through wire and control circuit (6) electricity
Property connection, the control circuit (6) passes through conductor line driving circuit (7) and is electrically connected with, the control circuit (6) and drive circuit
(7) it is installed in the inside of housing (1).
A kind of 2. diffusing reflection power switch of light according to claim 1, it is characterised in that：The bottom of the housing (1)
Both ends are provided with two groups of installation screw holes (8), and the bottom of the housing (1) is equidistant at least provided with seven groups of power line binding posts (9).
A kind of 3. diffusing reflection power switch of light according to claim 1, it is characterised in that：The reflection type optical electric probe
(2) it is ST168 reflection type optical electric probes.
A kind of 4. diffusing reflection power switch of light according to claim 1, it is characterised in that：The photoelectric sensor (4)
Including photodiode and voltage stabilizing triode, the NPN type photo-sensitive cell (5) includes NPN type triode, two resistance and compared
Device, the photodiode and voltage stabilizing triode are in parallel, and a terminals of the photodiode and NPN type triode connect
Connect, two terminals connection of two resistance and comparator, and connected between two resistance.
A kind of 5. diffusing reflection power switch of light according to claim 1, it is characterised in that：Control circuit (6) bag
Two IC chips, the model SN8F of the IC chip are included, two IC chips are connected by the pin between two IC chips, and one
The pin of individual IC chip and the output end of NPN type triode are electrically connected with.
A kind of 6. diffusing reflection power switch of light according to claim 1, it is characterised in that：Drive circuit (7) bag
Include a NPN type triode, a diode, a resistance and a switch, the NPN type triode and switch in parallel, institute
State diode and be connected with the one end switched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720356862.7U CN206712766U (en) | 2017-04-07 | 2017-04-07 | A kind of diffusing reflection power switch of light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720356862.7U CN206712766U (en) | 2017-04-07 | 2017-04-07 | A kind of diffusing reflection power switch of light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206712766U true CN206712766U (en) | 2017-12-05 |
Family
ID=60467647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720356862.7U Expired - Fee Related CN206712766U (en) | 2017-04-07 | 2017-04-07 | A kind of diffusing reflection power switch of light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206712766U (en) |
-
2017
- 2017-04-07 CN CN201720356862.7U patent/CN206712766U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |