WO2024041489A1 - 一种语音提示电路及垃圾箱 - Google Patents

一种语音提示电路及垃圾箱 Download PDF

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Publication number
WO2024041489A1
WO2024041489A1 PCT/CN2023/114072 CN2023114072W WO2024041489A1 WO 2024041489 A1 WO2024041489 A1 WO 2024041489A1 CN 2023114072 W CN2023114072 W CN 2023114072W WO 2024041489 A1 WO2024041489 A1 WO 2024041489A1
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WO
WIPO (PCT)
Prior art keywords
resistor
infrared
power supply
unit
triode
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Application number
PCT/CN2023/114072
Other languages
English (en)
French (fr)
Inventor
陈涛
赵平
王翔
郭洁
邹迪
杨东
Original Assignee
扎赉诺尔煤业有限责任公司
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Publication of WO2024041489A1 publication Critical patent/WO2024041489A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/0033—Refuse receptacles; Accessories therefor specially adapted for segregated refuse collecting, e.g. receptacles with several compartments; Combination of receptacles

Definitions

  • the present disclosure relates to the technical field of voice prompts, and specifically to a voice prompt circuit and a trash can.
  • the embodiments of the present disclosure aim to solve one of the technical problems in the related art, at least to a certain extent.
  • the purpose of the embodiments of the present disclosure is to provide a voice prompt circuit and a trash can.
  • the first embodiment of the present disclosure provides a voice prompt circuit, including: an infrared transmitting unit, the infrared transmitting unit is used to transmit infrared rays; an infrared ray receiving unit, the infrared ray receiving unit is used to receive the infrared rays.
  • Control unit the input end of the control unit is connected to the output end of the infrared receiving unit; relay, the input end of the relay is connected to the output end of the control unit; and a voice unit, the input of the voice unit The terminal is connected to the output terminal of the relay, wherein when the infrared receiving unit does not receive the infrared ray, the control unit controls the voice unit to send out voice prompt information through the relay.
  • the voice prompt circuit further includes: a DC power supply, the output end of which is connected to the infrared transmitting unit, the infrared receiving unit, the control unit, the relay and the voice respectively.
  • the input terminals of the unit are connected.
  • the infrared emitting unit includes: a first resistor, the first end of the first resistor is connected to the positive electrode of the DC power supply; an infrared emitting tube, the anode of the infrared emitting tube is connected to the third The second end of a resistor is connected, and the cathode of the infrared emitting tube is connected to the negative electrode of the DC power supply.
  • the infrared emitting tube is used to emit the infrared ray.
  • the infrared emitting unit further includes: a first potentiometer, a first terminal of which is connected to the positive electrode of the DC power supply, and a second terminal of which with the first resistor the first terminals are connected, the third terminal of the first potentiometer is connected to the positive pole of the DC power supply, the first terminal of the first resistor is connected to the positive pole of the DC power supply through the first potentiometer.
  • the infrared receiving unit includes: a sixth resistor, the second end of the sixth resistor is connected to the positive electrode of the DC power supply; a photosensitive transistor, the photosensitive transistor is an NPN type, the photosensitive transistor The collector of the second resistor is connected to the first end of the sixth resistor, and the base of the photosensitive transistor is used to receive the infrared ray; the second resistor, the first end of the second resistor is connected to the emitter of the photosensitive transistor. The second end of the second resistor is connected to the negative pole of the DC power supply.
  • the infrared receiving unit further includes: a second potentiometer, a first end of the second potentiometer is connected to the first end of the sixth resistor, and a first end of the second potentiometer is connected to the first end of the sixth resistor.
  • the second end is connected to the collector of the photosensitive transistor
  • the third end of the second potentiometer is connected to the first end of the sixth resistor
  • the collector of the phototransistor is connected to the The first end of the sixth resistor is connected through the second potentiometer.
  • the control unit includes: a third resistor, a first end of the third resistor is connected to the first end of the sixth resistor; a first transistor, the first triode The transistor is of NPN type, the base of the first triode is connected to the emitter of the photosensitive transistor, and the collector of the first triode is connected to the second end of the third resistor, The emitter of the first transistor is connected to the negative electrode of the DC power supply; a fourth resistor, the first end of the fourth resistor is connected to the first end of the sixth resistor; the second triode, the second triode is of NPN type, the base of the second triode is connected to the collector of the first triode, and the collector of the second triode is connected to the second end of the fourth resistor; a fifth resistor, the first end of the fifth resistor is connected to the emitter of the second transistor, and the second end of the fifth resistor is connected to the emitter of the second transistor; The negative electrode of the DC power supply is connected; a capacitor, the first end of
  • the relay includes: a coil and a normally open contact, a first end of the coil is connected to the positive pole of the DC power supply, and a second end of the coil is connected to the third three-pole
  • the collector of the tube is connected, the first end of the normally open contact is connected to the positive electrode of the DC power supply, the second end of the normally open contact and the negative electrode of the DC power supply are connected to the The input terminal of the speech unit is connected.
  • the voice prompt circuit further includes: a diode, the anode of the diode is connected to the second end of the coil, and the cathode of the diode is connected to the first end of the coil.
  • a second aspect of the embodiment of the present disclosure provides a trash can, including: a voice prompt circuit as provided in any embodiment of the first aspect of the present disclosure, the infrared emission tube and the photosensitive transistor of the voice prompt circuit are respectively arranged in the trash can Both ends of the delivery side.
  • the trash can further includes: a first light shield, the first light shield is arranged at one end of the delivery side, and the infrared emission tube is arranged in the first light shield; Condensing lens, the first condensing lens is arranged on the first light shield, and the emission end of the infrared emission tube is located at the focus of the first condensing lens; the second light shield, the photosensitive The transistor is arranged in the second light shield; a second condenser lens, the second light shield is arranged at the other end of the delivery side, and the second condenser lens is arranged on the second light shield, And the receiving end of the photosensitive transistor is located at the focus of the second condenser lens, and the central axis of the second condenser lens coincides with the central axis of the first condenser lens; a color filter, the color filter is arranged on On the second light shield, the second condenser lens is located between the color filter and the photosensitive transistor.
  • the voice prompt circuit When the garbage puter puts out garbage, the voice prompt circuit as a whole can automatically send out a voice prompt message to prompt the puter to classify the garbage and prevent different types of garbage from being put into the same chamber, thus effectively improving the efficiency of garbage disposal and reducing the cost of garbage disposal.
  • the cost of garbage disposal; at the same time, the voice prompt circuit is composed of an infrared transmitting unit, an infrared receiving unit, a control unit, a relay and a voice unit. It has a simple structure, low cost, and high pass stability, which is conducive to popularization and use.
  • Figure 1 is a circuit schematic diagram of a voice prompt circuit proposed by an embodiment of the present disclosure
  • Figure 2 is a circuit schematic diagram of a voice prompt circuit proposed by an embodiment of the present disclosure
  • Figure 3 is a schematic structural diagram of a trash can according to an embodiment of the present disclosure.
  • Infrared transmitting unit 2. Infrared receiving unit, 3. Control unit, 4. Relay, 5. Voice unit, 6. First hood, 7. First condenser lens, 8. Second Hood, 9. Second condenser lens, 10. Color filter;
  • RW1 the first potentiometer, RW2, the second potentiometer, R1, the first resistor, R2, the second resistor, R3, the third resistor, R4, the fourth resistor, R5, the fifth resistor, R6, the sixth resistor;
  • VTP phototransistor
  • VT1 first triode
  • VT2 second triode
  • VT3 third triode
  • VL infrared emission tube, VD, diode
  • the embodiment of the present disclosure proposes a voice prompt circuit, which includes an infrared transmitting unit 1, an infrared receiving unit 2, a control unit 3, a relay 4 and a voice unit 5.
  • the infrared transmitting unit 1 is used to transmit infrared rays
  • the infrared ray receiving unit Unit 2 is used to receive infrared rays.
  • the input end of the control unit 3 is connected to the output end of the infrared receiving unit 2.
  • the input end of the relay 4 is connected to the output end of the control unit 3.
  • the input end of the voice unit 5 is connected to the output end of the relay 4. , wherein, when the infrared receiving unit 2 does not receive infrared rays, the control unit 3 controls the voice unit 5 to send out voice prompt information through the relay 4.
  • the infrared rays emitted by the infrared ray transmitting unit 1 are received by the infrared ray receiving unit 2.
  • the infrared ray receiving unit 2 continues to transmit electrical signals to the control unit 3, so that the control unit 3 controls the voice unit 5 through the relay 4 not to emit. voice prompt information;
  • the infrared ray receiving unit 2 stops transmitting electrical signals to the control unit 3, so that the control unit 3 controls the voice unit 5 to send out voice prompt information through the relay 4.
  • the infrared ray receiving unit 2 when the infrared ray receiving unit 2 receives infrared ray, it indicates that there is no garbage placing person between the infrared ray transmitting unit 1 and the infrared ray receiving unit 2; when the infrared ray receiving unit 2 does not receive the infrared ray, it indicates that the infrared ray transmitting unit 1 and the infrared ray receiving unit 2 It is blocked by garbage dumpers.
  • the whole voice prompt circuit can automatically send out a voice prompt message to prompt the puter to classify the garbage, so as to avoid different types of garbage being put into the same chamber, thus effectively improving the efficiency of garbage disposal. , reducing the cost of garbage disposal.
  • the voice prompt circuit is composed of an infrared transmitting unit 1, an infrared receiving unit 2, a control unit 3, a relay 4 and a voice unit 5. It has a simple structure, low cost, and high pass stability, which is conducive to popularization and use.
  • the voice unit 5 may include a voice module and a speaker.
  • the voice prompt information is pre-stored in the voice module.
  • the voice module emits the voice prompt information through the speaker.
  • the voice prompt information can be "Garbage classification starts with me, throw recyclable garbage on the left, other garbage on the right", or it can also be “Garbage classification, everyone is responsible”, etc. to remind the placing personnel to classify the garbage. prompt.
  • voice modules and speakers can be set according to actual needs and are not limited here.
  • the voice prompt circuit also includes a DC power supply DC.
  • the output end of the DC power supply DC is connected to the infrared transmitting unit 1, the infrared receiving unit 2, the control unit 3, the relay 4 and the voice unit 5 respectively.
  • the input terminals are connected.
  • the direct current power supply DC supplies power to the infrared transmitting unit 1, infrared receiving unit 2, control unit 3, relay 4 and voice unit 5 to ensure that the infrared transmitting unit 1, infrared receiving unit 2, control unit 3, relay 4 and The stable operation of the voice unit 5 enables the voice prompt information to be effectively issued when the delivery personnel blocks infrared rays.
  • the specific type of the direct current power supply DC can be set according to actual needs.
  • the voltage of the direct current power supply DC is 12V.
  • the voice prompt circuit also includes a switch S, and the switch S is connected in series with the direct current power supply DC. It can be understood that through the setting of the switch S, it is easy to control the power supply circuit of the infrared transmitting unit 1, the infrared receiving unit 2, the control unit 3, the relay 4 and the voice unit 5, making the overall use more flexible and convenient.
  • the infrared emitting unit 1 includes a first resistor R1 and an infrared emitting tube VL.
  • the first end of the first resistor R1 is connected to the anode of the direct current power supply DC, and the anode of the infrared emitting tube VL is connected to the anode of the direct current power supply DC.
  • the second end of the first resistor R1 is connected to the cathode of the infrared emission tube VL, which is used to emit infrared rays.
  • the voltage of the infrared emission tube VL can adapt to the voltage of the direct current power supply DC, so that under the power supply of the direct current power supply DC, the infrared emission tube VL is turned on and emits infrared rays, realizing infrared rays. issue.
  • the infrared emitting tube VL is also called an infrared emitting diode and belongs to the diode category. It is a light-emitting device that directly converts electrical energy into near-infrared light and radiates it.
  • the specific type of the infrared emission tube VL can be set according to actual needs.
  • the infrared emission tube VL can be the HG504 type.
  • the specific resistance value of the first resistor R1 can be set according to actual needs.
  • the resistance value of the first resistor R1 can be 47k ⁇ .
  • the infrared emission unit 1 also includes a first potentiometer RW1, the first end of the first potentiometer RW1 is connected to the positive electrode of the direct current power supply DC, and the second end of the first potentiometer RW1 The first end of the first resistor R1 is connected to the first end of the first resistor R1. The third end of the first potentiometer RW1 is connected to the positive electrode of the direct current power supply DC. The first end of the first resistor R1 is connected to the positive electrode of the direct current power supply DC through the first potentiometer RW1.
  • the resistance value of the first potentiometer RW1 is adjusted, and because the first potentiometer RW1 is connected in series with the first resistor R1 and the infrared emission tube VL, the first potentiometer RW1 is connected in series through the first potentiometer RW1.
  • the resistance value of the potentiometer RW1 is adjusted to adjust the luminous intensity of the infrared emission tube VL, thereby enabling the voice prompt circuit to adapt to different working environments, making it more versatile and more convenient to use.
  • the potentiometer includes a first end, a second end and a third end.
  • the potentiometer is usually composed of a resistor and a movable brush.
  • the first end and the second end of the potentiometer are arranged on both sides of the resistor. end, the third end of the potentiometer is set on the brush.
  • the potentiometer obtains a resistance value that is related to the brush displacement.
  • the specific resistance value of the first potentiometer RW1 can be set according to actual needs. For example, the resistance value of the first potentiometer RW1 can be 150k ⁇ .
  • the infrared receiving unit 2 includes a sixth resistor R6, a phototransistor VTP and a second resistor R2.
  • the second end of the sixth resistor R6 is connected to the positive electrode of the direct current power supply DC, and the phototransistor VTP It is an NPN type.
  • the collector of the phototransistor VTP is connected to the first end of the sixth resistor R6.
  • the base of the phototransistor VTP is used to receive infrared rays.
  • the first end of the second resistor R2 is connected to the emitter of the phototransistor VTP.
  • the second end of the resistor R2 is connected to the negative pole of the direct current power supply DC.
  • the phototransistor VTP can obtain a bias voltage, so that under the power supply of the direct current power supply DC, the phototransistor VTP can receive infrared rays and convert the received infrared rays into The electrical signal is sent to the control unit 3 so that the control unit 3 can control the voice unit 5 according to the electrical signal sent by the phototransistor VTP.
  • the phototransistor VTP is a bipolar transistor. When infrared rays are irradiated on the base, the base generates current, and the infrared rays only act as a bias. Under the irradiation of infrared rays, the phototransistor VTP exhibits low resistance. .
  • the NPN-type phototransistor VTP includes two N (Negative, negative electrode) type semiconductors and one P (Positive, positive electrode) type semiconductor. The P-type semiconductor is arranged between the two N-type semiconductors.
  • the photosensitive transistor VTP includes the base ( Base), emitter (Emitter) and collector (Collector).
  • the specific type of phototransistor VTP can be set according to actual needs.
  • the phototransistor VTP can be 3DU5 type.
  • the specific resistance values of the second resistor R2 and the sixth resistor R6 can be set according to actual needs.
  • the resistance value of the second resistor R2 can be 10k ⁇
  • the resistance value of the sixth resistor R6 can be 560k ⁇ .
  • the infrared receiving unit 2 also includes a second potentiometer RW2.
  • the first end of the second potentiometer RW2 is connected to the first end of the sixth resistor R6.
  • the second potentiometer RW2 The second terminal is connected to the collector of the phototransistor VTP, the third terminal of the second potentiometer RW2 is connected to the first terminal of the sixth resistor R6, the collector of the phototransistor VTP and the first terminal of the sixth resistor R6 pass through the second Potentiometer RW2 is connected.
  • the specific resistance value of the second potentiometer RW2 can be set according to actual needs.
  • the resistance value of the second potentiometer RW2 can be 100k ⁇ .
  • the control unit 3 includes a third resistor R3, a first transistor VT1, a fourth resistor R4, a second transistor VT2, a fifth resistor R5, a capacitor C, a seventh
  • the resistor is connected to the third transistor VT3.
  • the first end of the third resistor R3 is connected to the first end of the sixth resistor R6.
  • the first transistor VT1 is of NPN type.
  • the base of the first transistor VT1 is connected to the photosensitive transistor.
  • the emitter of VTP is connected, the collector of the first transistor VT1 is connected to the second terminal of the third resistor R3, the emitter of the first transistor VT1 is connected to the negative electrode of the direct current power supply DC, and the first terminal of the fourth resistor R4 terminal is connected to the first terminal of the sixth resistor R6, the second transistor VT2 is NPN type, the base of the second transistor VT2 is connected to the collector of the first transistor VT1, and the second transistor VT2
  • the collector is connected to the second end of the fourth resistor R4, the first end of the fifth resistor R5 is connected to the emitter of the second transistor VT2, the second end of the fifth resistor R5 is connected to the negative electrode of the direct current power supply DC, and the capacitor
  • the first end of C is connected to the first end of the sixth resistor R6, the second end of the capacitor C is connected to the negative electrode of the direct current power supply DC, the first end of the seventh resistor is connected to the emitter of the second transistor VT2,
  • the first transistor VT1 and the second transistor VT2 are respectively and the third transistor VT3 stably provide the bias voltage, and under the power supply of the DC power supply, when infrared rays are irradiated on the base of the phototransistor VTP, the phototransistor VTP shows low resistance.
  • the first triode The transistor VT1 is turned on, while the second transistor VT2 and the third transistor VT3 are both cut off, so that the relay 4 does not operate, and the voice unit 5 does not send out voice prompt information; when the infrared ray is blocked, the photosensitive transistor VTP The base does not receive infrared rays, and the phototransistor VTP shows high resistance.
  • the first transistor VT1 is cut off, and the second transistor VT2 and the third transistor VT3 are turned on one after another, causing the relay 4 to operate, and then The voice unit 5 is caused to issue voice prompt information.
  • the NPN-type first transistor VT1, the second transistor VT2 and the third transistor VT3 each include two N-type semiconductors and one P-type semiconductor, and the P-type semiconductor is arranged between two N-type semiconductors. Between the semiconductors, the first transistor VT1, the second transistor VT2 and the third transistor VT3 all include a base, an emitter and a collector. In the cut-off state, the emitter and the collector are disconnected and turned on. state, there is conduction between the emitter and collector.
  • the specific types of the first transistor VT1, the second transistor VT2 and the third transistor VT3 can be set according to actual needs and are not limited here.
  • the specific resistance values of the third resistor R3, the fourth resistor R4, the fifth resistor R5 and the seventh resistor can be set according to actual needs.
  • the resistance value of the third resistor R3 can be 3k ⁇
  • the resistance value of the fourth resistor R4 can be is 1k ⁇
  • the resistance value of the fifth resistor R5 may be 4.7k ⁇
  • the resistance value of the seventh resistor may be 4.7k ⁇ .
  • the specific capacitance C value of capacitor C can be set according to actual needs.
  • the capacitance C value of capacitor C can be 100 ⁇ F.
  • the relay 4 includes a coil K and a normally open contact K-1.
  • the first end of the coil K is connected to the positive pole of the direct current power supply DC, and the second end of the coil K is connected to the third and third terminals.
  • the collector of transistor VT3 is connected, the first end of the normally open contact K-1 is connected to the positive pole of the direct current power supply DC, the second end of the normally open contact K-1 and the negative pole of the direct current power supply DC are connected to the input of the voice unit 5 connected end to end;
  • the voice prompt circuit also includes a diode VD, the anode of the diode VD is connected to the second end of the coil K, and the cathode of the diode VD is connected to the first end of the coil K.
  • the third transistor VT3 when the third transistor VT3 is turned on, the power supply circuit of the coil K is turned on, so that the coil K is energized. After the coil K is energized, it acts to close the normally open contact K-1, thereby making the voice unit 5 The voice prompt message is sent out.
  • the third transistor VT3 is cut off, the power supply circuit of the coil K is disconnected, causing the coil K to be powered off. After the coil K is powered off, it is reset and the normally open contact K-1 is opened, so that the voice unit 5 does not Send a voice prompt message. And through the setting of the diode VD, the interference of other devices on the coil K is reduced and the stable operation of the coil K is ensured.
  • relay 4 can be set according to actual needs and is not limited here.
  • the diode VD includes an anode and a cathode.
  • the conduction direction of the diode VD is the direction from the anode to the cathode.
  • the specific type of the diode VD can be set according to actual needs and is not limited here.
  • an embodiment of the present disclosure also proposes a trash can, including a voice prompt circuit as in the embodiment of the present disclosure.
  • the infrared transmitter VL and the photosensitive transistor VTP of the voice prompt circuit are respectively disposed at both ends of the dumping side of the trash can. .
  • the infrared receiving unit 2 when the infrared receiving unit 2 receives infrared rays, it indicates that there is no garbage placing person between the infrared transmitting unit 1 and the infrared receiving unit 2. When the infrared receiving unit 2 does not receive infrared rays, it indicates that the infrared transmitting unit 1 and the infrared receiving unit 2 are not connected. The space between the receiving units 2 is blocked by garbage placing personnel.
  • the whole voice prompt circuit can automatically send out a voice prompt message to prompt the puter to classify the garbage, preventing different types of garbage from being put into the same chamber, thus effectively improving the efficiency of garbage disposal. , reducing the cost of garbage disposal.
  • the voice prompt circuit is composed of an infrared transmitting unit 1, an infrared receiving unit 2, a control unit 3, a relay 4 and a voice unit 5. It has a simple structure, low cost, and high pass stability, which is conducive to popularization and use.
  • Trash bins can be used in public places such as hotels and communities. Trash bins are usually set up on the roadside, so the dumping side of the bin can be the side of the bin close to the roadside.
  • the trash can also includes a first light shield 6, a first condenser lens 7, a second light shield 8, a second condenser lens 9 and a color filter 10.
  • the first light shield 6 Set at one end of the delivery side, the infrared emission tube VL is arranged in the first light shield 6 , the first condenser lens 7 is arranged on the first light shield 6 , and the emission end of the infrared emission tube VL is located at the first condenser lens 7
  • the phototransistor VTP is set in the second light shield 8
  • the second light shield 8 is set at the other end of the launch side
  • the second condenser lens 9 is set on the second light shield 8, and the receiving of the phototransistor VTP
  • the end is located at the focus of the second condenser lens 9, the central axis of the second condenser lens 9 coincides with the central axis of the first condenser lens 7, the color filter 10 is arranged on the second light shield 8, and the second con
  • the infrared rays emitted by the infrared emission tube VL are converted into parallel rays after passing through the first condenser lens 7 and emitted to the second condenser lens 9.
  • the second condenser lens 9 focuses the parallel rays onto the base of the photosensitive transistor VTP. In this way, the emission and reception of infrared rays are realized, and through the setting of the first condenser lens 7 and the second condenser lens 9, the efficiency of infrared ray emission and reception is greatly improved, ensuring the accurate operation of the overall voice prompt circuit.
  • the first light shield 6 and the second light shield 8 through the setting of the first light shield 6 and the second light shield 8, the impact of external light on the infrared emission tube VL and the phototransistor VTP is avoided, and the stable operation of the infrared emission tube VL and the phototransistor VTP is ensured.
  • the color filter 10 Through the setting of the color filter 10 , to avoid light other than infrared rays from shining on the base of the photosensitive transistor VTP to ensure accurate detection of infrared rays by the photosensitive transistor VTP.
  • the infrared emission tube VL, the first light shield 6, the first condenser lens 7, the phototransistor VTP, the second condenser lens 9 and the color filter 10 are all located on the same axis to facilitate efficient emission and reception of infrared rays. .
  • first light shield 6 and the second light shield 8 can be set according to actual needs.
  • first light shield 6 and the second light shield 8 are both black plastic covers.
  • first condenser lens 7 and the second condenser lens 9 can be set according to actual needs.
  • first condenser lens 7 and the second condenser lens 9 are both convex lenses.
  • the color filter 10 is also called a color filter or a color filter.
  • the color filter 10 is a colored transparent sheet that has the functions of absorbing, reflecting and transmitting colored light.
  • the color filter 10 is used to pass infrared rays and filter light other than infrared rays.
  • the specific type of the color filter 10 can be set according to actual needs and is not limited here.

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Abstract

提供了一种语音提示电路及垃圾箱。语音提示电路包括红外线发射单元，红外线发射单元用于发射红外线；红外线接收单元，红外线接收单元用于接收红外线；控制单元，控制单元的输入端与红外线接收单元的输出端相连；继电器，继电器的输入端与控制单元的输出端相连；和语音单元，语音单元的输入端与继电器的输出端相连，其中，红外线接收单元未接收到红外线时，控制单元通过继电器控制语音单元发出语音提示信息。

Description

一种语音提示电路及垃圾箱
相关申请的交叉引用
本公开要求在2022年08月26日在中国提交的中国专利申请号2022110311213的优先权，其全部内容通过引用并入本文。
技术领域
本公开涉及语音提示技术领域，具体涉及一种语音提示电路及垃圾箱。
背景技术
生活垃圾种类繁多，随着生活垃圾的逐年增长，垃圾处理的工作难度也越来越大，因此需要在垃圾投放过程中进行垃圾分类，虽然目前的垃圾箱具有存放不同垃圾种类的腔室，但由于投放人员的环保意识淡薄或忘记分类投放，常常导致不同种类的垃圾被投放到同一腔室内，导致垃圾分类难以实现，造成垃圾处理的效率较低，成本较大。
发明内容
本公开实施例旨在至少在一定程度上解决相关技术中的技术问题之一。
为此，本公开实施例的目的在于提供一种语音提示电路及垃圾箱。
为达到上述目的，本公开第一方面实施例提供一种语音提示电路，包括：红外线发射单元，所述红外线发射单元用于发射红外线；红外线接收单元，所述红外线接收单元用于接收所述红外线；控制单元，所述控制单元的输入端与所述红外线接收单元的输出端相连；继电器，所述继电器的输入端与所述控制单元的输出端相连；和语音单元，所述语音单元的输入端与所述继电器的输出端相连，其中，所述红外线接收单元未接收到所述红外线时，所述控制单元通过所述继电器控制所述语音单元发出语音提示信息。
在一些实施例中，所述语音提示电路还包括：直流电源，所述直流电源的输出端分别与所述红外线发射单元、所述红外线接收单元、所述控制单元、所述继电器和所述语音单元的输入端相连。
在一些实施例中，所述红外线发射单元包括：第一电阻，所述第一电阻的第一端与所述直流电源的正极相连；红外线发射管，所述红外线发射管的阳极与所述第一电阻的第二端相连，所述红外线发射管的阴极与所述直流电源的负极相连，所述红外线发射管用于发射所述红外线。
在一些实施例中，所述红外线发射单元还包括：第一电位器，所述第一电位器的第一端与所述直流电源的所述正极相连，所述第一电位器的第二端与所述第一电阻的所述第一 端相连，所述第一电位器的第三端与所述直流电源的所述正极相连，所述第一电阻的第一端与所述直流电源的所述正极通过所述第一电位器相连。
在一些实施例中，所述红外线接收单元包括：第六电阻，所述第六电阻的第二端与所述直流电源的正极相连；光敏晶体管，所述光敏晶体管是NPN型，所述光敏晶体管的集电极与所述第六电阻的第一端相连，所述光敏晶体管的基极用于接收所述红外线；第二电阻，所述第二电阻的第一端与所述光敏晶体管的发射极相连，所述第二电阻的第二端与所述直流电源的负极相连。
在一些实施例中，所述红外线接收单元还包括：第二电位器，所述第二电位器的第一端与所述第六电阻的所述第一端相连，所述第二电位器的第二端与所述光敏晶体管的所述集电极相连，所述第二电位器的第三端与所述第六电阻的所述第一端相连，所述光敏晶体管的所述集电极与所述第六电阻的所述第一端通过所述第二电位器相连。
在一些实施例中，所述控制单元包括：第三电阻，所述第三电阻的第一端与所述第六电阻的所述第一端相连；第一三极管，所述第一三极管是NPN型，所述第一三极管的基极与所述光敏晶体管的所述发射极相连，所述第一三极管的集电极与所述第三电阻的第二端相连，所述第一三极管的发射极与所述直流电源的所述负极相连；第四电阻，所述第四电阻的第一端与所述第六电阻的所述第一端相连；第二三极管，所述第二三极管是NPN型，所述第二三极管的基极与所述第一三极管的所述集电极相连，所述第二三极管的集电极与所述第四电阻的第二端相连；第五电阻，所述第五电阻的第一端与所述第二三极管的发射极相连，所述第五电阻的第二端与所述直流电源的所述负极相连；电容，所述电容的第一端与所述第六电阻的所述第一端相连，所述电容的第二端与所述直流电源的所述负极相连；第七电阻，所述第七电阻的第一端与所述第二三极管的所述发射极相连；第三三极管，所述第三三极管是NPN型，所述第三三极管的基极与所述第七电阻的第二端相连，所述第三三极管的发射极与所述直流电源的所述负极相连，所述第三三极管的集电极与所述继电器的所述输入端相连。
在一些实施例中，所述继电器包括：线圈和常开触点，所述线圈的第一端与所述直流电源的所述正极相连，所述线圈的第二端与所述第三三极管的所述集电极相连，所述常开触点的第一端与所述直流电源的所述正极相连，所述常开触点的第二端和所述直流电源的所述负极与所述语音单元的所述输入端相连。
在一些实施例中，所述语音提示电路还包括：二极管，所述二极管的阳极与所述线圈的第二端相连，所述二极管的阴极与所述线圈的第一端相连。
本公开实施例第二方面提供一种垃圾箱，包括：如本公开第一方面任一实施例提供的语音提示电路，所述语音提示电路的红外线发射管和光敏晶体管分别设置在所述垃圾箱投放侧的两端。
在一些实施例中，所述垃圾箱还包括：第一遮光罩，所述第一遮光罩设置在所述投放侧的一端，所述红外线发射管设置在所述第一遮光罩内；第一聚光透镜，所述第一聚光透镜设置在所述第一遮光罩上，且所述红外线发射管的发射端位于所述第一聚光透镜的焦点上；第二遮光罩，所述光敏晶体管设置在所述第二遮光罩内；第二聚光透镜，所述第二遮光罩设置在所述投放侧的另一端，所述第二聚光透镜设置在所述第二遮光罩上，且所述光敏晶体管的接收端位于所述第二聚光透镜的焦点上，所述第二聚光透镜的中心轴与所述第一聚光透镜的中心轴重合；滤色镜，所述滤色镜设置在所述第二遮光罩上，且所述第二聚光透镜位于所述滤色镜与所述光敏晶体管之间。
本公开实施例提供的技术方案可以包括以下有益效果：
使垃圾投放人员投放垃圾时，语音提示电路整体能够自动发出语音提示信息，以提示投放人员进行垃圾分类，避免不同种类的垃圾被投放到同一腔室内，从而有效提高了垃圾处理的效率，降低了垃圾处理的成本；同时，语音提示电路由红外线发射单元、红外线接收单元、控制单元、继电器和语音单元构成，结构简单，成本较低，且通过稳定性较高，利于推广使用。
本公开实施例附加的方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本公开实施例的实践了解到。
附图说明
本公开上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1是本公开一实施例提出的语音提示电路的电路示意图；
图2是本公开一实施例提出的语音提示电路的电路示意图；
图3是本公开一实施例提出的垃圾箱的结构示意图。
如图所示：1、红外线发射单元，2、红外线接收单元，3、控制单元，4、继电器，5、语音单元，6、第一遮光罩，7、第一聚光透镜，8、第二遮光罩，9、第二聚光透镜，10、滤色镜；
RW1、第一电位器，RW2、第二电位器，R1、第一电阻，R2、第二电阻，R3、第三电阻，R4、第四电阻，R5、第五电阻，R6、第六电阻；
VTP、光敏晶体管，VT1、第一三极管，VT2、第二三极管，VT3、第三三极管；
VL、红外线发射管，VD、二极管；
K、线圈，K-1、常开触点；
C、电容，S、开关，DC、直流电源。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本公开实施例，而不能理解为对本公开实施例的限制。相反，本公开的实施例包括落入所附加权利要求书的精神和内涵范围内的所有变化、修改和等同物。
如图1所示，本公开实施例提出一种语音提示电路，包括红外线发射单元1、红外线接收单元2、控制单元3、继电器4和语音单元5，红外线发射单元1用于发射红外线，红外线接收单元2用于接收红外线，控制单元3的输入端与红外线接收单元2的输出端相连，继电器4的输入端与控制单元3的输出端相连，语音单元5的输入端与继电器4的输出端相连，其中，红外线接收单元2未接收到红外线时，控制单元3通过继电器4控制语音单元5发出语音提示信息。
可以理解的是，红外线发射单元1发射出的红外线被红外线接收单元2接收，红外线接收单元2接收红外线后持续向控制单元3输送电信号，以使控制单元3通过继电器4控制语音单元5不发出语音提示信息；而在红外线接收单元2未接收到红外线时，红外线接收单元2停止向控制单元3输送电信号，以使控制单元3通过继电器4控制语音单元5发出语音提示信息。
其中，红外线接收单元2接收到红外线时，则表明红外线发射单元1与红外线接收单元2之间没有垃圾投放人员，红外线接收单元2未接收到红外线时，则表明红外线发射单元1与红外线接收单元2之间被垃圾投放人员遮挡。
由此，使垃圾投放人员投放垃圾时，语音提示电路整体能够自动发出语音提示信息，以提示投放人员进行垃圾分类，避免不同种类的垃圾被投放到同一腔室内，从而有效提高了垃圾处理的效率，降低了垃圾处理的成本。
同时，语音提示电路由红外线发射单元1、红外线接收单元2、控制单元3、继电器4和语音单元5构成，结构简单，成本较低，且通过稳定性较高，利于推广使用。
需要说明的是，语音单元5可以包括语音模块和扬声器，语音提示信息预先存储在语音模块中，在继电器4向语音单元5输出信号时，则语音模块通过扬声器发出语音提示信息。
其中，语音提示信息可以是“垃圾分类从我做起，可回收垃圾投左侧，其它垃圾投右侧”，也可以是“垃圾分类，人人有责”等用于提示投放人员进行垃圾分类的提示语。
语音模块和扬声器的具体类型可根据实际需要进行设置，在此不作限制。
如图2所示，在一些实施例中，语音提示电路还包括直流电源DC，直流电源DC的输出端分别与红外线发射单元1、红外线接收单元2、控制单元3、继电器4和语音单元5的输入端相连。
可以理解的是，直流电源DC为红外线发射单元1、红外线接收单元2、控制单元3、继电器4和语音单元5供电，以保证红外线发射单元1、红外线接收单元2、控制单元3、继电器4和语音单元5的稳定运行，使语音提示信息在投放人员遮挡红外线时能够有效发出。
需要说明的是，直流电源DC的具体类型可根据实际需要进行设置，例如：直流电源DC的电压为12V。
如图2所示，在一些实施例中，语音提示电路还包括开关S，开关S与直流电源DC串联。可以理解的是，通过开关S的设置，便于控制红外线发射单元1、红外线接收单元2、控制单元3、继电器4和语音单元5的供电回路，使整体的使用更为灵活、便捷。
如图2所示，在一些实施例中，红外线发射单元1包括第一电阻R1和红外线发射管VL，第一电阻R1的第一端与直流电源DC的正极相连，红外线发射管VL的阳极与第一电阻R1的第二端相连，红外线发射管VL的阴极与直流电源DC的负极相连，红外线发射管VL用于发射红外线。
可以理解的是，通过第一电阻R1的设置，使红外线发射管VL的电压能够适应直流电源DC的电压，从而在直流电源DC的供电下，红外线发射管VL导通并发射红外线，实现红外线的发出。
需要说明的是，红外线发射管VL也称红外线发射二极管，属于二极管类，其是将电能直接转换成近红外光并能辐射出去的发光器件。其中，红外线发射管VL的具体类型可根据实际需要进行设置，例如：红外线发射管VL可以是HG504型。
第一电阻R1的具体电阻值可根据实际需要进行设置，例如：第一电阻R1的电阻值可以是47kΩ。
如图2所示，在一些实施例中，红外线发射单元1还包括第一电位器RW1，第一电位器RW1的第一端与直流电源DC的正极相连，第一电位器RW1的第二端与第一电阻R1的第一端相连，第一电位器RW1的第三端与直流电源DC的正极相连，第一电阻R1的第一端与直流电源DC的正极通过第一电位器RW1相连。
可以理解的是，第一电位器RW1的第三端移动时，实现第一电位器RW1的阻值调节，且由于第一电位器RW1与第一电阻R1及红外线发射管VL串联，从而通过第一电位器RW1的阻值调节，实现对红外线发射管VL的发光强度调节，从而使语音提示电路能够适应不同的工作环境，通用性更强，使用更为便捷。
需要说明的是，电位器包括第一端、第二端和第三端，电位器通常由电阻体和可移动的电刷构成，电位器的第一端和第二端设置在电阻体的两端，电位器的第三端设置在电刷上，电刷沿电阻体移动时，使电位器获得与电刷位移量成一定关系的电阻值。第一电位器RW1的具体电阻值可根据实际需要进行设置，例如：第一电位器RW1的电阻值可以是150kΩ。
如图2所示，在一些实施例中，红外线接收单元2包括第六电阻R6、光敏晶体管VTP和第二电阻R2，第六电阻R6的第二端与直流电源DC的正极相连，光敏晶体管VTP是NPN型，光敏晶体管VTP的集电极与第六电阻R6的第一端相连，光敏晶体管VTP的基极用于接收红外线，第二电阻R2的第一端与光敏晶体管VTP的发射极相连，第二电阻R2的第二端与直流电源DC的负极相连。
可以理解的是，通过第六电阻R6和第二电阻R2的设置，使光敏晶体管VTP能够获得偏置电压，从而在直流电源DC的供电下，光敏晶体管VTP能够接收红外线并将接收的红外线转换为电信号输送给控制单元3，使控制单元3能够根据光敏晶体管VTP输送的电信号控制语音单元5。
需要说明的是，光敏晶体管VTP是一种双极型晶体管，当红外线照射在基极时，基极产生电流，红外线仅起到偏置的作用，在红外线的照射下，光敏晶体管VTP呈现低电阻。其中，NPN型的光敏晶体管VTP包括两块N(Negative，负极)型半导体和一块P(Positive，正极)型半导体，P型半导体设置在两块N型半导体之间，光敏晶体管VTP包括基极(Base)、发射极(Emitter)和集电极(Collector)。
光敏晶体管VTP的具体类型可根据实际需要进行设置，例如：光敏晶体管VTP可以是3DU5型。
第二电阻R2和第六电阻R6的具体电阻值可根据实际需要进行设置，例如：第二电阻R2的电阻值可以是10kΩ，第六电阻R6的电阻值可以是560kΩ。
如图2所示，在一些实施例中，红外线接收单元2还包括第二电位器RW2，第二电位器RW2的第一端与第六电阻R6的第一端相连，第二电位器RW2的第二端与光敏晶体管VTP的集电极相连，第二电位器RW2的第三端与第六电阻R6的第一端相连，光敏晶体管VTP的集电极与第六电阻R6的第一端通过第二电位器RW2相连。
可以理解的是，第二电位器RW2的第三端移动时，实现第二电位器RW2的阻值调节，且由于第二电位器RW2与第六电阻R6、光敏晶体管VTP及第二电阻R2串联，从而通过第二电位器RW2的阻值调节，实现对光敏晶体管VTP偏置电压的调节，进而实现对光敏晶体管VTP灵敏度的调节，由此使语音提示电路能够适应不同的工作环境，通用性更强，使用更为便捷。
需要说明的是，第二电位器RW2的具体电阻值可根据实际需要进行设置，例如：第二电位器RW2的电阻值可以是100kΩ。
如图2所示，在一些实施例中，控制单元3包括第三电阻R3、第一三极管VT1、第四电阻R4、第二三极管VT2、第五电阻R5、电容C、第七电阻和第三三极管VT3，第三电阻R3的第一端与第六电阻R6的第一端相连，第一三极管VT1是NPN型，第一三极管VT1的基极与光敏晶体管VTP的发射极相连，第一三极管VT1的集电极与第三电阻R3的第二端相连，第一三极管VT1的发射极与直流电源DC的负极相连，第四电阻R4的第一端与第六电阻R6的第一端相连，第二三极管VT2是NPN型，第二三极管VT2的基极与第一三极管VT1的集电极相连，第二三极管VT2的集电极与第四电阻R4的第二端相连，第五电阻R5的第一端与第二三极管VT2的发射极相连，第五电阻R5的第二端与直流电源DC的负极相连，电容C的第一端与第六电阻R6的第一端相连，电容C的第二端与直流电源DC的负极相连，第七电阻的第一端与第二三极管VT2的发射极相连，第三三极管VT3是NPN型，第三三极管VT3的基极与第七电阻的第二端相连，第三三极管VT3的发射极与直流电源DC的负极相连，第三三极管VT3的集电极与继电器4的输入端相连。
可以理解的是，通过第三电阻R3、第四电阻R4、第五电阻R5、第六电阻R6、第七电阻和电容C的设置，分别为第一三极管VT1、第二三极管VT2和第三三极管VT3稳定的提供偏置电压，且在直流电源DC的供电下，当红外线照射在光敏晶体管VTP的基极上时，光敏晶体管VTP呈现低电阻，此时，第一三极管VT1导通，而第二三极管VT2和第三三极管VT3均截止，从而使得继电器4不动作，进而使语音单元5不发出语音提示信息；当红外线被遮挡时，光敏晶体管VTP的基极未接收到红外线，光敏晶体管VTP呈现高电阻，此时，第一三极管VT1截止，而第二三极管VT2和第三三极管VT3相继导通，从而使得继电器4动作，进而使语音单元5发出语音提示信息。
需要说明的是，NPN型的第一三极管VT1、第二三极管VT2和第三三极管VT3均包括两块N型半导体和一块P型半导体，P型半导体设置在两块N型半导体之间，第一三极管VT1、第二三极管VT2和第三三极管VT3均包括基极、发射极和集电极，截止状态时，发射极与集电极之间断开，导通状态时，发射极与集电极之间导通。
第一三极管VT1、第二三极管VT2和第三三极管VT3的具体类型可根据实际需要进行设置，在此不作限制。
第三电阻R3、第四电阻R4、第五电阻R5和第七电阻的具体电阻值可根据实际需要进行设置，例如：第三电阻R3的电阻值可以是3kΩ，第四电阻R4的电阻值可以是1kΩ，第五电阻R5的电阻值可以是4.7kΩ，第七电阻的电阻值可以是4.7kΩ。
电容C的具体电容C值可根据实际需要进行设置，例如：电容C的电容C值可以是100μF。
如图2所示，在一些实施例中，继电器4包括线圈K和常开触点K-1，线圈K的第一端与直流电源DC的正极相连，线圈K的第二端与第三三极管VT3的集电极相连，常开触点K-1的第一端与直流电源DC的正极相连，常开触点K-1的第二端和直流电源DC的负极与语音单元5的输入端相连；
语音提示电路还包括二极管VD，二极管VD的阳极与线圈K的第二端相连，二极管VD的阴极与线圈K的第一端相连。
可以理解的是，第三三极管VT3导通时，线圈K的供电回路导通，使得线圈K获电，线圈K获电后动作使常开触点K-1闭合，从而使语音单元5发出语音提示信息，第三三极管VT3截止时，线圈K的供电回路断开，使得线圈K断电，线圈K断电后复位使常开触点K-1开启，从而使语音单元5不发出语音提示信息。且其中通过二极管VD的设置，减少其他器件对线圈K的干扰，保证线圈K的稳定运行。
需要说明的是，继电器4的具体类型可根据实际需要进行设置，在此不作限制。
二极管VD包括阳极和阴极，二极管VD的导通方向为阳极到阴极的方向，二极管VD的具体类型可根据实际需要进行设置，在此不作限制。
如图3所示，本公开实施例还提出一种垃圾箱，包括如本公开实施例的语音提示电路，语音提示电路的红外线发射管VL和光敏晶体管VTP分别设置在垃圾箱投放侧的两端。
可以理解的是，红外线接收单元2接收到红外线时，则表明红外线发射单元1与红外线接收单元2之间没有垃圾投放人员，红外线接收单元2未接收到红外线时，则表明红外线发射单元1与红外线接收单元2之间被垃圾投放人员遮挡。
由此，使垃圾投放人员投放垃圾时，语音提示电路整体能够自动发出语音提示信息，以提示投放人员进行垃圾分类，避免不同种类的垃圾被投放到同一腔室内，从而有效提高了垃圾处理的效率，降低了垃圾处理的成本。
同时，语音提示电路由红外线发射单元1、红外线接收单元2、控制单元3、继电器4和语音单元5构成，结构简单，成本较低，且通过稳定性较高，利于推广使用。
需要说明的是，垃圾箱的具体类型可根据实际需要进行设置，在此不作限制。
垃圾箱可以应用在酒店、社区等公共场所，垃圾箱通常设置在路边，因此垃圾箱的投放侧可以是垃圾箱靠近路边的一侧。
如图3所示，在一些实施例中，垃圾箱还包括第一遮光罩6、第一聚光透镜7、第二遮光罩8、第二聚光透镜9和滤色镜10，第一遮光罩6设置在投放侧的一端，红外线发射管VL设置在第一遮光罩6内，第一聚光透镜7设置在第一遮光罩6上，且红外线发射管VL的发射端位于第一聚光透镜7的焦点上，光敏晶体管VTP设置在第二遮光罩8内，第二遮光罩8设置在投放侧的另一端，第二聚光透镜9设置在第二遮光罩8上，且光敏晶体管VTP的接收端位于第二聚光透镜9的焦点上，第二聚光透镜9的中心轴与第一聚光透镜7的中心轴重合，滤色镜10设置在第二遮光罩8上，且第二聚光透镜9位于滤色镜10与光敏晶体管VTP之间。
可以理解的是，红外线发射管VL发出的红外线经过第一聚光透镜7后被转换为平行光线向第二聚光透镜9发射，第二聚光透镜9将平行光线聚焦到光敏晶体管VTP的基极上，由此实现红外线的发射与接收，且通过第一聚光透镜7和第二聚光透镜9的设置，使红外线的发射和接收效率大大提升，保证语音提示电路整体的精准运行。
其中，通过第一遮光罩6和第二遮光罩8的设置，避免外部光线对红外线发射管VL和光敏晶体管VTP造成影响，保证红外线发射管VL和光敏晶体管VTP的稳定运行，通过滤色镜10的设置，避免红外线以外的其他光线照射在光敏晶体管VTP的基极上，保证光敏晶体管VTP对红外线的准确检测。
需要说明的是，红外线发射管VL、第一遮光罩6、第一聚光透镜7、光敏晶体管VTP、第二聚光透镜9和滤色镜10均位于同一轴线上，以便于红外线的高效发射和接收。
第一遮光罩6和第二遮光罩8的具体类型可根据实际需要进行设置，例如：第一遮光罩6和第二遮光罩8均为黑色塑料罩。
第一聚光透镜7和第二聚光透镜9的具体类型可根据实际需要进行设置，例如：第一聚光透镜7和第二聚光透镜9均为凸透镜。
滤色镜10也称滤色器、滤色片，滤色镜10是对色光具有吸收、反射和透过作用的染有颜色的透明片，滤色镜10用于通过红外线，且过滤红外线以外的光线。其中，滤色镜10的具体类型可根据实际需要进行设置，在此不作限制。
需要说明的是，在本公开实施例的描述中，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性。此外，在本公开实施例的描述中，除非另有说明，“多个”的含义是两个或两个以上。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多个用于实现特定逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分， 并且本公开实施例的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基本同时的方式或按相反的顺序，来执行功能，这应被本公开的实施例所属技术领域的技术人员所理解。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管上面已经示出和描述了本公开的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开实施例的限制，本领域的普通技术人员在本公开实施例的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (11)

  1. 一种语音提示电路，其特征在于，包括：
    红外线发射单元，所述红外线发射单元用于发射红外线；
    红外线接收单元，所述红外线接收单元用于接收所述红外线；
    控制单元，所述控制单元的输入端与所述红外线接收单元的输出端相连；
    继电器，所述继电器的输入端与所述控制单元的输出端相连；和
    语音单元，所述语音单元的输入端与所述继电器的输出端相连；
    其中，所述红外线接收单元未接收到所述红外线时，所述控制单元通过所述继电器控制所述语音单元发出语音提示信息。
  2. 根据权利要求1所述的语音提示电路，其特征在于，所述语音提示电路还包括：
    直流电源，所述直流电源的输出端分别与所述红外线发射单元、所述红外线接收单元、所述控制单元、所述继电器和所述语音单元的输入端相连。
  3. 根据权利要求2所述的语音提示电路，其特征在于，所述红外线发射单元包括：
    第一电阻，所述第一电阻的第一端与所述直流电源的正极相连；
    红外线发射管，所述红外线发射管的阳极与所述第一电阻的第二端相连，所述红外线发射管的阴极与所述直流电源的负极相连，所述红外线发射管用于发射所述红外线。
  4. 根据权利要求3所述的语音提示电路，其特征在于，所述红外线发射单元还包括：
    第一电位器，所述第一电位器的第一端与所述直流电源的所述正极相连，所述第一电位器的第二端与所述第一电阻的所述第一端相连，所述第一电位器的第三端与所述直流电源的所述正极相连，所述第一电阻的所述第一端与所述直流电源的所述正极通过所述第一电位器相连。
  5. 根据权利要求2所述的语音提示电路，其特征在于，所述红外线接收单元包括：
    第六电阻，所述第六电阻的第二端与所述直流电源的正极相连；
    光敏晶体管，所述光敏晶体管是NPN型，所述光敏晶体管的集电极与所述第六电阻的第一端相连，所述光敏晶体管的基极用于接收所述红外线；
    第二电阻，所述第二电阻的第一端与所述光敏晶体管的发射极相连，所述第二电阻的第二端与所述直流电源的负极相连。
  6. 根据权利要求5所述的语音提示电路，其特征在于，所述红外线接收单元还包括：
    第二电位器，所述第二电位器的第一端与所述第六电阻的所述第一端相连，所述第二电位器的第二端与所述光敏晶体管的所述集电极相连，所述第二电位器的第三端与所述第 六电阻的所述第一端相连，所述光敏晶体管的所述集电极与所述第六电阻的所述第一端通过所述第二电位器相连。
  7. 根据权利要求5或6所述的语音提示电路，其特征在于，所述控制单元包括：
    第三电阻，所述第三电阻的第一端与所述第六电阻的所述第一端相连；
    第一三极管，所述第一三极管是NPN型，所述第一三极管的基极与所述光敏晶体管的所述发射极相连，所述第一三极管的集电极与所述第三电阻的第二端相连，所述第一三极管的发射极与所述直流电源的所述负极相连；
    第四电阻，所述第四电阻的第一端与所述第六电阻的所述第一端相连；
    第二三极管，所述第二三极管是NPN型，所述第二三极管的基极与所述第一三极管的所述集电极相连，所述第二三极管的集电极与所述第四电阻的第二端相连；
    第五电阻，所述第五电阻的第一端与所述第二三极管的发射极相连，所述第五电阻的第二端与所述直流电源的所述负极相连；
    电容，所述电容的第一端与所述第六电阻的所述第一端相连，所述电容的第二端与所述直流电源的所述负极相连；
    第七电阻，所述第七电阻的第一端与所述第二三极管的所述发射极相连；
    第三三极管，所述第三三极管是NPN型，所述第三三极管的基极与所述第七电阻的第二端相连，所述第三三极管的发射极与所述直流电源的所述负极相连，所述第三三极管的集电极与所述继电器的所述输入端相连。
  8. 根据权利要求7所述的语音提示电路，其特征在于，所述继电器包括：
    线圈，所述线圈的第一端与所述直流电源的所述正极相连，所述线圈的第二端与所述第三三极管的所述集电极相连；
    常开触点，所述常开触点的第一端与所述直流电源的所述正极相连，所述常开触点的第二端和所述直流电源的所述负极与所述语音单元的所述输入端相连。
  9. 根据权利要求8所述的语音提示电路，其特征在于，还包括二极管，所述二极管的阳极与所述线圈的第二端相连，所述二极管的阴极与所述线圈的第一端相连。
  10. 一种垃圾箱，其特征在于，包括：
    根据权利要求1至9中任一项所述的语音提示电路，所述语音提示电路的红外线发射管和光敏晶体管分别设置在所述垃圾箱投放侧的两端。
  11. 根据权利要求10所述的垃圾箱，其特征在于，所述垃圾箱还包括：
    第一遮光罩，所述第一遮光罩设置在所述投放侧的一端，所述红外线发射管设置在所述第一遮光罩内；
    第一聚光透镜，所述第一聚光透镜设置在所述第一遮光罩上，且所述红外线发射管的发射端位于所述第一聚光透镜的焦点上；
    第二遮光罩，所述光敏晶体管设置在所述第二遮光罩内；
    第二聚光透镜，所述第二遮光罩设置在所述投放侧的另一端，所述第二聚光透镜设置在所述第二遮光罩上，且所述光敏晶体管的接收端位于所述第二聚光透镜的焦点上，所述第二聚光透镜的中心轴与所述第一聚光透镜的中心轴重合；
    滤色镜，所述滤色镜设置在所述第二遮光罩上，且所述第二聚光透镜位于所述滤色镜与所述光敏晶体管之间。
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