CN210380799U - Bulb switching circuit for bathroom door - Google Patents
Bulb switching circuit for bathroom door Download PDFInfo
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- CN210380799U CN210380799U CN201921907042.8U CN201921907042U CN210380799U CN 210380799 U CN210380799 U CN 210380799U CN 201921907042 U CN201921907042 U CN 201921907042U CN 210380799 U CN210380799 U CN 210380799U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a bulb circuit for opening and closing a toilet door, which comprises an input power supply, a half-wave rectification filter module, an opening detection circuit, a thyristor trigger circuit, a current amplification circuit and a load circuit; the input power supply is sequentially connected with the half-wave rectification filter module, the opening detection circuit, the thyristor trigger circuit, the current amplification circuit and the load circuit; the input power supply provides commercial power for the whole circuit; the half-wave rectification and filtering module circuit rectifies and filters the input commercial power and then outputs direct-current voltage to a subsequent circuit; the door opening detection circuit detects the opening and closing of the door through a reed switch; the signal output by the thyristor trigger circuit is amplified by the current amplifying circuit and then controls the conduction of the thyristor; the load circuit is responsible for providing current for a bulb on a load; the utility model discloses simple structure, the components and parts that use are few, have good market using value.
Description
Technical Field
The utility model relates to the control field especially involves a be used for bathroom door switch bulb circuit.
Background
Along with the fact that people live more and more abundantly at night, many people like staying up at night, people can eat night to drink beverage or drinking water in an unnatural manner when staying up at night, people are easy to get up to go to a toilet in the middle of the night, people turn on the lamp to go to the toilet after opening the door of the toilet, people forget to turn off the lamp of the toilet easily after closing the door when going out, although the existing toilet lamp is an energy-saving lamp, the lamp wastes a lot of electric energy unconsciously after being turned on for a long time, and therefore the prior art has defects and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a switch that is used for bathroom door switch bulb circuit, through the door-open control bulb of switch bathroom, has solved people and has forgotten the problem that turns off the lamp and waste the electric energy.
In a first aspect, the present invention discloses a technical solution as follows:
a bulb switching circuit for a toilet door comprises an input power supply, a half-wave rectification filter module, a door opening detection circuit, a thyristor trigger circuit, a current amplification circuit and a load circuit; the input power supply is sequentially connected with the half-wave rectification filter module, the opening detection circuit, the thyristor trigger circuit, the current amplification circuit and the load circuit;
the input power supply provides commercial power for the whole circuit;
the half-wave rectification and filtering module circuit rectifies and filters the input commercial power and then outputs direct-current voltage to a subsequent circuit;
the door opening detection circuit detects the opening and closing of the door through a reed switch;
the signal output by the thyristor trigger circuit is amplified by the current amplifying circuit and then controls the conduction of the thyristor;
the load circuit is responsible for supplying current to a light bulb on the load.
With reference to the first aspect, in a first implementation manner of the first aspect, the half-wave rectification filter module includes a first capacitor, a first diode, and a second diode; the input power supply is connected with a first end of a first capacitor, and a second end of the first capacitor is respectively connected with the anode of a first diode and the cathode of a second diode.
With reference to the first aspect, in a second implementation manner of the first aspect, the door opening detection circuit includes a reed switch, a second capacitor and a first resistor; the first end of the second capacitor is connected with the cathode of the first diode and the first end of the first resistor respectively, the second end of the second capacitor is connected with the anode of the second diode and the second end of the reed switch respectively, and the first end of the reed switch is connected with the second end of the first resistor.
With reference to the first aspect, in a third implementation manner of the first aspect, the thyristor trigger circuit includes an integrated circuit U1A, a third capacitor, a fourth capacitor, a second resistor, and a third resistor; the integrated circuit U1A has a fifth pin connected to the second end of the first resistor, the cathode of the first diode and the first end of the third capacitor, the integrated circuit U1A has a sixth pin connected to the second end of the reed pipe, the second end of the first capacitor and the anode of the second diode, the integrated circuit U1A has a third pin connected to the second end of the first resistor and the first end of the reed pipe, the integrated circuit U1A has a fourth pin connected to the first end of the fourth capacitor and the first end of the second resistor, the integrated circuit U1A has a first pin connected to the second end of the second resistor, the third capacitor has a second pin connected to the first end of the third resistor, and the third resistor has a second pin connected to the second end of the third capacitor.
With reference to the first aspect, in a fourth implementation manner of the first aspect, the current amplifying circuit includes a triode, a fourth resistor, and a fifth resistor; the first end of the fourth resistor is connected with the first end of the third capacitor, the second end of the fourth resistor is connected with the collector of the triode, the emitter of the triode is connected with the second end of the fifth resistor, the first end of the fifth resistor is connected with pin thirteen of the integrated circuit U1A, and pin nine of the integrated circuit U1A is connected with pin twelve.
With reference to the first aspect, in a fifth implementation manner of the first aspect, the load circuit includes a light bulb and a diode VT1, a first pin of the diode VT1 is connected to a first end of the light bulb, a second end of the light bulb is connected to an input power source, a second pin of the diode VT1 is connected to an emitter of a triode, and a third pin of the diode VT1 is connected to a eighth pin of the integrated circuit U1A, a second end of the third resistor, and a second end of the third capacitor, respectively.
Above-mentioned a be used for bathroom door switch bulb circuit, the initial condition lower door is closed, and the bulb is in the state of extinguishing, opens the door and when entering, tongue tube and magnet part, and the disconnection of tongue tube switch, triggering signal input to the grid of thyristor, and the bulb is lighted, and people are opening the door when coming out, and the tongue tube separates triode Q1 again with magnet and ends, and the thyristor zero passage ends, and the bulb extinguishes, and the effectual bulb that has changed probably brightens the possibility night, energy-concerving and environment-protective.
Drawings
For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a bulb circuit for opening and closing a door of a toilet according to the present invention;
fig. 2 is a circuit structure diagram of the bulb circuit for the switch of the toilet door of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, the present disclosure provides an embodiment of the present invention:
a bulb switching circuit for a toilet door comprises an input power supply, a half-wave rectification filter module, a door opening detection circuit, a thyristor trigger circuit, a current amplification circuit and a load circuit; the input power supply is sequentially connected with the half-wave rectification filter module, the opening detection circuit, the thyristor trigger circuit, the current amplification circuit and the load circuit;
the input power supply provides commercial power for the whole circuit;
the half-wave rectification and filtering module circuit rectifies and filters the input commercial power and then outputs direct-current voltage to a subsequent circuit;
the door opening detection circuit detects the opening and closing of the door through a reed switch;
the signal output by the thyristor trigger circuit is amplified by the current amplifying circuit and then controls the conduction of the thyristor;
the load circuit is responsible for supplying current to a light bulb on the load.
As shown in fig. 2, in one embodiment, the half-wave rectification filter module includes a first capacitor C1, a first diode D1, and a second diode D2; the input power supply is connected with a first end of a first capacitor C1, and a second end of the first capacitor C1 is respectively connected with an anode of a first diode D1 and a cathode of a second diode D2.
As shown in fig. 2, in one embodiment, the door opening detection circuit includes a reed switch, a second capacitor C3 and a first resistor R2; the first end of the second capacitor C3 is respectively connected with the cathode of the first diode D1 and the first end of the first resistor R2, the second end of the second capacitor C3 is respectively connected with the anode of the second diode D2 and the second end of the reed switch, and the first end of the reed switch is connected with the second end of the first resistor R2.
As shown in fig. 2, in one embodiment, the thyristor trigger circuit includes an integrated circuit U1A, a third capacitor C4, a fourth capacitor C2, a second resistor R4, and a third resistor R5; the fifth pin of the integrated circuit U1A is connected to the second end of the first resistor R2, the negative electrode of the first diode D1 and the first end of the third capacitor C4, the sixth pin of the integrated circuit U1A is connected to the second end of the reed switch, the second end of the first capacitor C1 and the positive electrode of the second diode D2, the third pin of the integrated circuit U1A is connected to the second end of the first resistor R2 and the first end of the reed switch, the fourth pin of the integrated circuit U1A is connected to the first end of the fourth capacitor C2 and the first end of the second resistor R4, the first pin of the integrated circuit U1A is connected to the second end of the second resistor R4, the second end of the third capacitor C4 is connected to the first end of the third resistor R5, and the second end of the third resistor R5 is connected to the second end of the third capacitor C4.
As shown in fig. 2, in one embodiment, the current amplifying circuit includes a transistor Q1, a fourth resistor R1, and a fifth resistor R3; the first end of the fourth resistor R1 is connected with the first end of the third capacitor C4, the second end of the fourth resistor R1 is connected with the collector of the triode Q1, the emitter of the triode Q1 is connected with the second end of the fifth resistor R3, the first end of the fifth resistor R3 is connected with pin thirteen of the integrated circuit U1A, and pin nine of the integrated circuit U1A is connected with pin twelve.
As shown in fig. 2, in one embodiment, the load circuit includes a light bulb and a diode VT1, wherein a first pin of the diode VT1 is connected to a first terminal of the light bulb, a second terminal of the light bulb is connected to an input power source, a second pin of the diode VT1 is connected to an emitter of a transistor Q1, and a third pin of the diode VT1 is connected to a eighth pin of the integrated circuit U1A, a second terminal of a third resistor R5, and a second terminal of a third capacitor C4, respectively.
The utility model discloses a theory of operation:
1. initial state after power-up
In the initial state, the door is closed, the reed switch and the magnet are close together, the reed switch is conducted, the CLK signal of U1A is grounded, R and S are grounded, and Q outputs low level; meanwhile, the power-on reset action of the C2 and the R5 enables the output of the U1B to be low level, the triode V1 is cut off, the thyristor is cut off, and the bulb is in an off state. but/Q = D =1 of U1B, a high level is output, which is its initial state.
2. Door open/close state
When the door is opened, the reed switch and the magnet are separated, the reed switch is turned off, the CLK of the U1A is input to a high level, the output 1Q =1D =1 of the U1A is obtained, and the capacitor C4 is charged through the resistor R4.
The output high level of U1A is input to U1B, so that the output 2Q =2D =1 of U1B, the transistor Q1 is turned on, the trigger signal is input to the gate of the thyristor, the thyristor is turned on, and the lamp is turned on.
At this time, when the capacitor C4 is not fully charged, the lamp will not be affected no matter how many times the door is opened or closed. When the capacitor C4 is full, the output of U1A is reset, 1Q outputs low, the capacitor C4 starts discharging again, and U1B keeps outputting high.
3. Out of door state
When the door is opened, the reed switch is separated from the magnet, the reed switch is turned off, the output of the U1A is at a high level again, 1Q =1D =1, and the output state of the U1B is reversed, 2Q =2D = 0.
The triode Q1 is cut off, the thyristor is cut off in zero crossing, and the bulb is turned off.
It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A bulb switching circuit for a toilet door is characterized by comprising an input power supply, a half-wave rectification filter module, a door opening detection circuit, a thyristor trigger circuit, a current amplification circuit and a load circuit; the input power supply is sequentially connected with the half-wave rectification filter module, the opening detection circuit, the thyristor trigger circuit, the current amplification circuit and the load circuit;
the input power supply provides commercial power for the whole circuit;
the half-wave rectification and filtering module circuit rectifies and filters the input commercial power and then outputs direct-current voltage to a subsequent circuit;
the door opening detection circuit detects the opening and closing of the door through a reed switch;
the signal output by the thyristor trigger circuit is amplified by the current amplifying circuit and then controls the conduction of the thyristor;
the load circuit is responsible for supplying current to a light bulb on the load.
2. The bulb circuit for a toilet room door switch according to claim 1, wherein the half-wave rectification filter module comprises a first capacitor, a first diode and a second diode; the input power supply is connected with a first end of a first capacitor, and a second end of the first capacitor is respectively connected with the anode of a first diode and the cathode of a second diode.
3. The bulb circuit for a toilet door switch according to claim 2, wherein the door opening detection circuit includes a reed switch, a second capacitor and a first resistor; the first end of the second capacitor is connected with the cathode of the first diode and the first end of the first resistor respectively, the second end of the second capacitor is connected with the anode of the second diode and the second end of the reed switch respectively, and the first end of the reed switch is connected with the second end of the first resistor.
4. The light bulb circuit for a toilet door switch as claimed in claim 3, wherein the thyristor trigger circuit comprises an integrated circuit U1A, a third capacitor, a fourth capacitor, a second resistor and a third resistor; the integrated circuit U1A has a fifth pin connected to the second end of the first resistor, the cathode of the first diode and the first end of the third capacitor, the integrated circuit U1A has a sixth pin connected to the second end of the reed pipe, the second end of the first capacitor and the anode of the second diode, the integrated circuit U1A has a third pin connected to the second end of the first resistor and the first end of the reed pipe, the integrated circuit U1A has a fourth pin connected to the first end of the fourth capacitor and the first end of the second resistor, the integrated circuit U1A has a first pin connected to the second end of the second resistor, the third capacitor has a second pin connected to the first end of the third resistor, and the third resistor has a second pin connected to the second end of the third capacitor.
5. The bulb circuit for a toilet room door switch according to claim 4, wherein the current amplifying circuit includes a transistor, a fourth resistor and a fifth resistor; the first end of the fourth resistor is connected with the first end of the third capacitor, the second end of the fourth resistor is connected with the collector of the triode, the emitter of the triode is connected with the second end of the fifth resistor, the first end of the fifth resistor is connected with pin thirteen of the integrated circuit U1A, and pin nine of the integrated circuit U1A is connected with pin twelve.
6. The light bulb circuit for the door switch of the toilet room as claimed in claim 5, wherein the load circuit comprises a light bulb and a diode VT1, wherein a first pin of the diode VT1 is connected to a first end of the light bulb, a second end of the light bulb is connected to the input power source, a second pin of the diode VT1 is connected to an emitter of a triode, and a third pin of the diode VT1 is connected to a eighth pin of the integrated circuit U1A, a second end of the third resistor and a second end of the third capacitor, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921907042.8U CN210380799U (en) | 2019-11-07 | 2019-11-07 | Bulb switching circuit for bathroom door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921907042.8U CN210380799U (en) | 2019-11-07 | 2019-11-07 | Bulb switching circuit for bathroom door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380799U true CN210380799U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921907042.8U Expired - Fee Related CN210380799U (en) | 2019-11-07 | 2019-11-07 | Bulb switching circuit for bathroom door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD950189S1 (en) | 2020-07-08 | 2022-05-03 | Spectrum Brands, Inc. | Spiral pet treat |
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2019
- 2019-11-07 CN CN201921907042.8U patent/CN210380799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD950189S1 (en) | 2020-07-08 | 2022-05-03 | Spectrum Brands, Inc. | Spiral pet treat |
| USD1009403S1 (en) | 2020-07-08 | 2024-01-02 | Spectrum Brands, Inc. | Spiral pet treat |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20211107 |