CN210420588U - Sensor with a sensor element - Google Patents
Sensor with a sensor element Download PDFInfo
- Publication number
- CN210420588U CN210420588U CN201921081840.XU CN201921081840U CN210420588U CN 210420588 U CN210420588 U CN 210420588U CN 201921081840 U CN201921081840 U CN 201921081840U CN 210420588 U CN210420588 U CN 210420588U
- Authority
- CN
- China
- Prior art keywords
- light
- emitting element
- light emitting
- sensor
- electrode
- 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.)
- Active
Links
Images
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a sensor, which comprises a first light-emitting element, a second light-emitting element, a third light-emitting element and a light receiver; the first light-emitting element, the second light-emitting element and the third light-emitting element are all arranged on the same side of the light receiver; and emitting light; the light receiver receives the light emitted by the first light-emitting element, the second light-emitting element and the third light-emitting element. The utility model discloses a sensor, through first light emitting component, second light emitting component, third light emitting component and light receiver's setting, can detect the turbidity and the colour of water in real time, has avoided producing the colour between the clothing to pollute on the one hand, and on the other hand also makes the rinsing clothing cleaner.
Description
Technical Field
The utility model relates to a washing machine spare part especially relates to a sensor.
Background
In daily life, in order to achieve energy and water saving, a user often washes a plurality of clothes in a washing machine all at once, but in consideration of the color difference between the clothes, especially, the clothes with poor quality are apt to fade easily to contaminate other clothes, resulting in complaints of the user about washing the clothes using the washing machine.
Moreover, if the clothes with the same color are washed, the use times of the washing machine are greatly increased, and water and electricity are wasted.
In particular, in the washing machine according to the related art, the turbidity of water is detected only by the turbidity sensor during the rinsing of the laundry to determine whether the laundry is rinsed cleanly, but if the water to be rinsed contains a color, the laundry is not considered to be rinsed cleanly, and in this case, the turbidity sensor cannot detect the color of the water, and thus, a false determination is made when determining whether the laundry is rinsed cleanly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sensor, it detects through turbidity and the colour to water to judge washing machine's operating condition more accurately, solved at least one above-mentioned technical problem.
The utility model provides a technical problem adopt following technical scheme: a sensor comprising a first light emitting element, a second light emitting element, a third light emitting element, and a light receiver;
the first light-emitting element, the second light-emitting element and the third light-emitting element are all arranged on the same side of the light receiver; and emitting light;
the light receiver receives the light emitted by the first light-emitting element, the second light-emitting element and the third light-emitting element.
Optionally, the sensor further includes a first circuit board, and the optical receiver is soldered on the first circuit board.
Optionally, the light receiver is a preset distance away from the first circuit board.
Optionally, a second circuit board is disposed on the first circuit board, and the first light emitting element, the second light emitting element, and the third light emitting element are all soldered on the second circuit board.
Optionally, the first light emitting element, the second light emitting element, and the third light emitting element are sequentially disposed along a length direction of the second circuit board.
Optionally, the sensor further comprises a transparent silica gel sleeve, a first accommodating space and a second accommodating space are formed in the transparent silica gel sleeve, a second circuit board is arranged in the first accommodating space, and an optical receiver is accommodated in the second accommodating space.
Optionally, the first light emitting element emits red light, the second light emitting element emits blue light, and the third light emitting element emits infrared light.
Optionally, the sensor further includes a controller, an IO interface of the controller is connected to a non-inverting input terminal of an amplifier U2A through a resistor R2 and a resistor R3 connected in series, two ends of the resistor R3 are grounded through capacitors C4 and C5, respectively, an inverting input terminal of the amplifier U2A is connected to an emitter of a transistor Q5, an output terminal of the amplifier U2A is connected to a base of the transistor Q5 through a resistor R4, and an emitter of the transistor Q5 is grounded through a resistor R6;
the grid electrode of the field effect transistor Q1 is connected with the IO port of the controller, the source electrode of the field effect transistor Q1 is connected with a +3.3V direct current power supply, the drain electrode of the field effect transistor Q1 is connected with the positive electrode of the first light-emitting element, and the negative electrode of the first light-emitting element is connected with the collector electrode of the triode Q5;
the grid electrode of the field effect transistor Q2 is connected with the IO port of the controller, the source electrode of the field effect transistor Q2 is connected with a +3.3V direct current power supply, the drain electrode of the field effect transistor Q2 is connected with the positive electrode of the second light-emitting element, and the negative electrode of the second light-emitting element is connected with the collector electrode of the triode Q5;
the grid electrode of the field effect transistor Q3 is connected to the IO port of the controller, the source electrode of the field effect transistor Q3 is connected to the +3.3V direct current power supply, the drain electrode of the field effect transistor Q3 is connected to the positive electrode of the third light emitting element, and the negative electrode of the third light emitting element is connected to the collector electrode of the triode Q5.
Optionally, the light receiver is a phototriode, a source of the phototriode is connected to a +3.3V dc power supply, an emitter of the phototriode is grounded through a resistor R7, and a capacitor C2 is further connected between the source and a base of the phototriode; the emitter of the phototransistor is further connected to a non-inverting input terminal of an amplifier U2B through a resistor R5, an inverting input terminal of the amplifier U2B is connected to an output terminal of the amplifier U2B, an output terminal of the amplifier U2B is connected to an IO interface of the controller, and an output terminal of the amplifier U2B is grounded through a capacitor C6.
Optionally, the sensor further includes a power supply circuit, and the power supply circuit provides +3.3V dc power.
The utility model discloses following beneficial effect has: the utility model discloses a sensor, through first light emitting component, second light emitting component, third light emitting component and light receiver's setting, can detect the turbidity and the colour of water in real time, has avoided producing the colour between the clothing to pollute on the one hand, and on the other hand also makes the rinsing clothing cleaner.
Drawings
Fig. 1 is a schematic structural diagram of a sensor according to the present invention;
fig. 2 is a schematic diagram of a circuit structure of the sensor of the present invention;
fig. 3 is a schematic structural diagram of the power supply circuit of the present invention;
fig. 4 is a schematic view of the connection structure of the controller of the present invention;
the notation in the figures means: 1-a first light emitting element; 2-a second light emitting element; 3-a third light emitting element; 4-an optical receiver; 5-a first circuit board; 6-a second circuit board; 7-transparent silica gel sleeve.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.
Example 1
The present embodiment provides a sensor, i.e., a composite sensor, which implements functions of a turbidity sensor and a color sensor, and includes: the light emitting device includes a first light emitting element, a second light emitting element, a third light emitting element, and a light receiver.
The first light-emitting element, the second light-emitting element and the third light-emitting element are all arranged on the same side of the light receiver and are sequentially arranged from top to bottom.
The sensor comprises a first circuit board, the light receiver is welded on the first circuit board, and the light receiver is away from the first circuit board by a preset distance; the first circuit board is provided with a second circuit board, the second circuit board is perpendicular to the first circuit board, and the first light-emitting element, the second light-emitting element and the third light-emitting element are all welded on the second circuit board.
The sensor further comprises a transparent silica gel sleeve, a first accommodating space and a second accommodating space are formed in the transparent silica gel sleeve, a second circuit board is arranged in the first accommodating space, and an optical receiver is accommodated in the second accommodating space, so that light emitted by the first light-emitting element, the second light-emitting element and the third light-emitting element penetrates through the transparent silica gel sleeve at the first accommodating space, the water and the transparent silica gel sleeve at the second accommodating space to irradiate on the optical receiver.
The first light-emitting element emits red light, the second light-emitting element emits blue light, and the third light-emitting element emits infrared light, so that the color detection of water is realized through the first light-emitting element and the second light-emitting element, and the turbidity detection of water is realized through the third light-emitting element.
More preferably, the first, second, and third light emitting elements are photodiodes.
The sensor further comprises a controller, the controller can adopt a single chip microcomputer, a DSP, an MCU and the like, and the controller is configured to control the first light emitting element, the second light emitting element and the third light emitting element, as an implementation form, an IO interface of the controller is connected to a positive phase input terminal of an amplifier U2A through a resistor R2 and a resistor R3 connected in series, two ends of the resistor R3 are grounded through capacitors C4 and C5, respectively, to form a second-order filter circuit, an inverting input terminal of the amplifier U2A is connected to an emitter of a triode Q5, an output terminal of the amplifier U2A is connected to a base of a triode Q5 through a resistor R4, and an emitter of the triode Q5 is grounded through a resistor R6, so that a PWM signal sent by the controller forms a constant current circuit with the amplifier U2A, the triode Q5 and an LED lamp after passing through the second-order filtering.
The grid of field effect transistor Q1 is connected to the IO port of controller, and the source connection of field effect transistor Q1 +3.3V DC power supply, the drain electrode of field effect transistor Q1 is connected to the positive pole of first light emitting component, the negative pole of first light emitting component is connected to the collector of triode Q5.
The grid of field effect transistor Q2 is connected to the IO port of controller, and +3.3V DC power supply is connected to the source of field effect transistor Q2, the drain-source resistance of field effect transistor Q2 is connected to the positive pole of second light emitting component, the negative pole of second light emitting component is connected to the collector of triode Q5.
The grid electrode of the field effect transistor Q3 is connected to the IO port of the controller, the source electrode of the field effect transistor Q3 is connected to the +3.3V direct current power supply, the drain electrode of the field effect transistor Q3 is connected to the positive electrode of the third light emitting element, and the negative electrode of the third light emitting element is connected to the collector electrode of the triode Q5.
The light receiver is a phototriode, the source electrode of the phototriode is connected to a +3.3V direct-current power supply, the emitting electrode of the phototriode is grounded through a resistor R7, and a capacitor C2 is connected between the source electrode and the base electrode of the phototriode; the emitter of the phototransistor is further connected to a non-inverting input terminal of an amplifier U2B through a resistor R5, an inverting input terminal of the amplifier U2B is connected to an output terminal of the amplifier U2B, an output terminal of the amplifier U2B is connected to an IO interface of the controller, and an output terminal of the amplifier U2B is connected to the ground through a capacitor C6.
More preferably, the sensor further comprises a power supply circuit, the power supply circuit providing +3.3V dc power.
The utility model discloses a sensor, through first light emitting component, second light emitting component, third light emitting component and light receiver's setting, can detect the turbidity and the colour of water in real time, has avoided producing the colour between the clothing to pollute on the one hand, and on the other hand also makes the rinsing clothing cleaner.
Moreover, the utility model discloses a sensor can also be used for detecting that the laundry detergent is remained.
The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A sensor comprising a first light emitting element, a second light emitting element, a third light emitting element, and a light receiver;
the first light-emitting element, the second light-emitting element and the third light-emitting element are all arranged on the same side of the light receiver; and emitting light;
the light receiver receives the light emitted by the first light-emitting element, the second light-emitting element and the third light-emitting element.
2. The sensor of claim 1, further comprising a first circuit board on which the light receiver is soldered.
3. The sensor of claim 2, wherein the light receiver is a predetermined distance from the first circuit board.
4. The sensor according to claim 3, wherein a second circuit board is disposed on the first circuit board, and the first light emitting element, the second light emitting element and the third light emitting element are all soldered on the second circuit board.
5. The sensor according to claim 4, wherein the first light emitting element, the second light emitting element, and the third light emitting element are sequentially arranged along a length direction of the second circuit board.
6. The sensor according to claim 5, further comprising a transparent silicone sleeve, wherein a first accommodating space and a second accommodating space are formed on the transparent silicone sleeve, a second circuit board is accommodated in the first accommodating space, and the optical receiver is accommodated in the second accommodating space.
7. The sensor of claim 1, wherein the first light emitting element emits red light, the second light emitting element emits blue light, and the third light emitting element emits infrared light.
8. The sensor of claim 6, further comprising a controller, wherein an IO interface of the controller is connected to a non-inverting input terminal of an amplifier U2A through a resistor R2 and a resistor R3 connected in series, two terminals of the resistor R3 are respectively connected to ground through capacitors C4 and C5, an inverting input terminal of the amplifier U2A is connected to an emitter terminal of a transistor Q5, an output terminal of the amplifier U2A is connected to a base terminal of a transistor Q5 through a resistor R4, and an emitter terminal of the transistor Q5 is connected to ground through a resistor R6;
the grid electrode of the field effect transistor Q1 is connected with the IO port of the controller, the source electrode of the field effect transistor Q1 is connected with a +3.3V direct current power supply, the drain electrode of the field effect transistor Q1 is connected with the positive electrode of the first light-emitting element, and the negative electrode of the first light-emitting element is connected with the collector electrode of the triode Q5;
the grid electrode of the field effect transistor Q2 is connected with the IO port of the controller, the source electrode of the field effect transistor Q2 is connected with a +3.3V direct current power supply, the drain electrode of the field effect transistor Q2 is connected with the positive electrode of the second light-emitting element, and the negative electrode of the second light-emitting element is connected with the collector electrode of the triode Q5;
the grid electrode of the field effect transistor Q3 is connected to the IO port of the controller, the source electrode of the field effect transistor Q3 is connected to the +3.3V direct current power supply, the drain electrode of the field effect transistor Q3 is connected to the positive electrode of the third light emitting element, and the negative electrode of the third light emitting element is connected to the collector electrode of the triode Q5.
9. The sensor of claim 8, wherein the light receiver is a phototransistor, a source of the phototransistor is connected to a +3.3V dc power supply, an emitter of the phototransistor is grounded through a resistor R7, and a capacitor C2 is connected between the source and a base of the phototransistor; the emitter of the phototransistor is further connected to a non-inverting input terminal of an amplifier U2B through a resistor R5, an inverting input terminal of the amplifier U2B is connected to an output terminal of the amplifier U2B, an output terminal of the amplifier U2B is connected to an IO interface of the controller, and an output terminal of the amplifier U2B is grounded through a capacitor C6.
10. The sensor of claim 1, further comprising a power circuit that provides +3.3V dc power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081840.XU CN210420588U (en) | 2019-07-11 | 2019-07-11 | Sensor with a sensor element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081840.XU CN210420588U (en) | 2019-07-11 | 2019-07-11 | Sensor with a sensor element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210420588U true CN210420588U (en) | 2020-04-28 |
Family
ID=70380270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081840.XU Active CN210420588U (en) | 2019-07-11 | 2019-07-11 | Sensor with a sensor element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210420588U (en) |
-
2019
- 2019-07-11 CN CN201921081840.XU patent/CN210420588U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019109487A1 (en) | Water tank circuit of cleaning device, cleaning device, and method for controlling water tank of cleaning device | |
| CN210420588U (en) | Sensor with a sensor element | |
| WO2018113716A1 (en) | Heating control system for multi-tub washing machine | |
| CN201059458Y (en) | Intelligence lamp | |
| CN208902859U (en) | A kind of service life duration detection device of intelligent LED lamp | |
| US9591710B1 (en) | Kind of LED phase cut dimming power supply | |
| CN103199831A (en) | Electric heating interval control device | |
| CN211086562U (en) | Commercial power ground wire connectivity detection circuit and device | |
| CN217820721U (en) | Switch detection circuit | |
| CN208241939U (en) | A kind of Intelligent light-sensitive lighting device and the hand held cleaner using the device | |
| CN206364787U (en) | A kind of button multiplexing circuit and electronic equipment for electronic equipment | |
| CN210721154U (en) | High-sensitivity electrode type multipoint water level control system | |
| CN104298979A (en) | Device and method for identifying biological test paper | |
| CN207440191U (en) | Detection apparatus for three-phase power supply | |
| CN205648125U (en) | Intelligence house lighting system | |
| CN207636743U (en) | The detection device of concentrator flashlight | |
| CN205385469U (en) | Microwave -induced controller circuit and microwave response lamp control circuit | |
| CN210665991U (en) | Alternating current power-off detection circuit | |
| CN212623771U (en) | Domestic heating equipment's circuit board and domestic heating equipment | |
| CN209134385U (en) | Signal deteching circuit and electrical equipment | |
| CN111366877A (en) | Detection circuit and detection tool | |
| CN215005582U (en) | Detection circuit for dish-washing machine | |
| CN205193149U (en) | Simple and easy detection circuitry of line voltage | |
| CN221430998U (en) | Dish washer | |
| CN211019373U (en) | Multifunctional induction head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200810 Address after: 330000 floor 3, workshop 3, Yubo science and Technology Park, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee after: Nanchang panteng Technology Co., Ltd Address before: 100102 Beijing City, Shunyi District houshayu Yu Xi Road No. 9 Building No. 9 hospital 6 floor room 603 Patentee before: BEIJING PLANTOWER TECHNOLOGY Co.,Ltd. |