CN210842860U - Dust detection circuit and dust collector - Google Patents
Dust detection circuit and dust collector Download PDFInfo
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- CN210842860U CN210842860U CN201921253361.1U CN201921253361U CN210842860U CN 210842860 U CN210842860 U CN 210842860U CN 201921253361 U CN201921253361 U CN 201921253361U CN 210842860 U CN210842860 U CN 210842860U
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Abstract
The utility model discloses a dust detection circuitry and dust catcher, including the response module, host system, enlarge module and drive module, send detected signal to the module of enlargiing and send to host system after sensing the dust in the use in the module of sensing, host system generates the drive signal to the drive module of adjusting high low rotational speed according to the power of the detected signal of receiving, drive module can make the response of high rotational speed or low rotational speed and carry out the dust absorption, because can remove in the user use, consequently, the concentration of the module response dust of sensing changes, thereby it changes to switch the drive signal who generates different rotational speeds between the power through detected signal this moment, consequently the utility model discloses the dust that can adapt to different concentrations prevents to damage with adjusting the rotational speed and increased useless consumption easily, leads to the extravagant resource.
Description
[ technical field ] A method for producing a semiconductor device
The present application relates to a dust detection circuit, and more particularly, to a dust collector and a detection circuit for adjusting a rotation speed of the dust collector in a self-adaptive manner.
[ background of the invention ]
Along with the higher living standard of people, the higher requirements on living quality and the higher household hygiene, a large amount of dust collecting equipment in the market enters thousands of households, the dust can be removed by the dust collector on the market at present mainly because after an infrared sensor at the front end of the dust collector senses dust, a motor of the dust collector rotates at a high speed, air containing dust is sucked in a suction inlet, the motor can generate extremely strong suction force and pressure at the rotating speed of 500 circles per second, but the dust collector has the defect that the motor can be driven when sensing dust by the infrared sensor and can rotate at full power, and the motor can rotate at full power when sensing large dust or small dust by the infrared sensor, so that the motor is easy to damage and increase useless power consumption after working for a long time, and resources are wasted.
In summary, it is a problem to be solved by those skilled in the art to design a detection circuit and a vacuum cleaner capable of adjusting the rotation speed of a motor according to the size of dust.
[ Utility model ] content
To the problem that full power rotation leads to increasing the consumption immediately after infrared inductor senses the dust among the prior art, this technical scheme provides a dust detection circuitry and dust catcher that can adapt to the dust size and adjust motor speed.
In order to achieve the purpose, the technical scheme is as follows:
a dust detection circuit comprises a sensing module, a main control module, an amplifying module and a driving module, wherein:
the induction module: the dust sensor is used for sensing dust density, converting the dust density into a detection signal and sending the detection signal to the amplifying module;
an amplification module: the sensing module is connected with the main control module, amplifies a detection signal at an input end and outputs the detection signal to the main control module at an output end;
the main control module: the driving module is connected with the amplifying module, receives the detection signal amplified by the amplifying module, generates a driving signal for adjusting the high and low rotating speeds according to the strength of the detection signal and outputs the driving signal to the driving module;
a driving module: the dust collector is connected with the main control module to realize rotary dust collection at different rotating speeds.
Furthermore, the induction module also comprises a control module, and the control module receives the transmission signal of the main control module to control the conduction or the disconnection of the induction module.
Further, the driving module further comprises an indicator light display module, and the indicator light display module is used for turning red or green to indicate that the driving module rotates at a high speed or a low speed.
Furthermore, a temperature detection module is connected in the main control module and used for detecting the temperature of the driving module in real time so that the main control module stops the driving module after the temperature of the driving module is too high.
Furthermore, an overcurrent detection module is connected between the driving module and the main control module and is used for detecting the real-time current of the driving module to switch on and off the driving module.
Further, the response module adopts infrared geminate transistor terminal J1, be connected with infrared geminate transistor on the infrared geminate transistor terminal J1, infrared geminate transistor terminal J1 foot is connected with resistance R30 one end, the resistance R30 other end is connected with +5V, infrared geminate transistor terminal J1 foot No. two with control module connects, infrared geminate transistor terminal J1 foot ground connection No. three, infrared geminate transistor terminal J1 foot No. four is connected with coupling capacitance C17.
Further, the control module includes with triode Q9 that infrared geminate transistor terminal J1 pin two is connected, triode Q9's C utmost point with infrared geminate transistor terminal J1 pin two is connected, triode Q9's E utmost point ground connection, triode Q9's B utmost point with the master control module is connected.
Further, the amplifier module includes that the model is LM 358's operational amplifier U3, be connected with resistance R29 between a foot on the operational amplifier U3 and the No. two feet, resistance R29 is used for voltage feedback, No. two feet on the operational amplifier U3 still with coupling capacitance C17 connects, No. one foot and No. five feet of operational amplifier U3 are connected, No. three feet, No. six feet and No. eight feet of operational amplifier U3 all with resistance connection then with +5V be connected, No. four feet ground connection, No. seven feet are connected with resistance R31, resistance R31 with the master control module is connected.
Further, drive module includes motor terminal M +1, motor terminal M +1 one end is connected the other end with network B + and is connected with MOS pipe Q7, MOS pipe Q7 ' S D utmost point with motor terminal M +1 is connected, MOS pipe Q7 ' S S utmost point ground connection, MOS pipe Q7 ' S G utmost point is connected with resistance R23 ' S one end, resistance R23 ' S the other end with main control module connects.
The utility model provides a dust collector, includes the dust catcher body and locates the inside dust detection circuitry of dust catcher body, detection circuitry's motor terminal M +1 still is connected with driving motor, infrared geminate transistor is located the dust catcher body dust absorption is served, driving motor locates the inside debris that will inhale the dust absorption end of dust catcher body inhales inside the dust catcher body.
The utility model has the advantages that:
1. the utility model discloses a response module, host system, amplify module and drive module, send detected signal to amplifying the module and amplify and send to host system after sensing the dust in the use in the sensing module, host system generates the drive signal to the drive module of adjusting high low rotational speed according to the power of the detected signal who receives, drive module can make the response of high rotational speed or low rotational speed and carry out the dust absorption, because can remove in the user use, consequently, the concentration of sensing module response dust can change, thereby it changes to switch the drive signal that generates different rotational speeds between the power through detected signal this moment, consequently the utility model discloses the dust that can adapt to different concentrations prevents to damage easily with having increased useless consumption with adjusting the rotational speed, lead to the extravagant resource.
3. The utility model discloses still be provided with temperature detection module, the temperature that can real-time detection drive module prevents to damage equipment because of the high temperature.
4. The utility model discloses still be provided with pilot lamp display module, can reflect drive module's rotational speed in real time.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a block diagram of a dust detection circuit according to the present invention;
fig. 2 is a schematic circuit diagram (a sensing module and an amplifying module) of a dust detection circuit according to the present invention;
fig. 3 is a schematic circuit diagram of a dust detection circuit according to the present invention (a main control module and a temperature detection module);
fig. 4 is a schematic circuit diagram of a dust detection circuit according to the present invention (a driving module and an overcurrent detection module).
[ detailed description ] embodiments
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, a first embodiment: the utility model relates to a dust detection circuitry, its characterized in that: including induction module 1, host system 2, amplification module 3 and drive module 4, wherein: the induction module 1: the dust sensor is used for sensing dust density, converting the dust density into a detection signal and sending the detection signal to the amplifying module 3; the amplification module 3: the sensing module is connected with the sensing module 1, amplifies a detection signal at an input end and outputs the detection signal to the main control module 2 at an output end; and (3) the main control module 2: the driving module is connected with the amplifying module 3, receives the detection signal amplified by the amplifying module 3, generates a driving signal for adjusting the high and low rotating speeds according to the strength of the detection signal and outputs the driving signal to the driving module 4; the driving module 4: which is connected with the main control module 2 to realize rotary dust collection at different rotating speeds. The induction module 1 adopts an infrared geminate transistor terminal J1, an infrared geminate transistor is connected to the infrared geminate transistor terminal J1, the induction module 1 further comprises a control module 101, the induction module 1 further comprises the control module 101, the control module 101 receives a transmission signal of the main control module 2 to control the conduction or the disconnection of the induction module 1, preferably, the control module 101 comprises a triode Q9 connected with a pin II of the infrared geminate transistor terminal J1, a pole C of the triode Q9 is connected with a pin II of the infrared geminate transistor terminal J1, a pole E of the triode Q9 is grounded, and a pole B of the triode Q9 is connected with the main control module 2; the amplifying module 3 is composed of an operational amplifier U3, a resistor R29, a resistor R35, a resistor R36, a resistor R32 and a resistor R33, a first pin, a second pin and a third pin of the operational amplifier U3 form a boosting channel, a fifth pin, a sixth pin and a seventh pin form a comparison channel, the eighth pin is +5V input, the fourth pin is grounded, a resistor R29 is connected between the first pin and the second pin, the second pin is also connected with the fourth pin of J1, the first pin is also connected with the fifth pin, and the seventh pin is an output end which is connected with a resistor R31 and is connected to the main control module 2; preferably, the main control module 2 adopts an MCU with the model of SC92R309, a fourteen pin of the MCU is connected with a seven pin of U3, and a twenty-eight pin of the MCU is connected with the drive module 4; drive module 4 includes motor terminal M +1, and motor terminal M +1 termination power B +, power B + preferably adopt 24V, and the D utmost point of MOS pipe Q7 is inserted to the motor terminal M +1 other end, and MOS pipe Q7 ' S S utmost point ground connection, and MOS pipe Q7 ' S G utmost point is connected with MCU ' S twenty-eight feet.
Because the first pin and the second pin of the infrared geminate transistor are the positive and negative electrodes of the transmitting tube, the fourth pin and the third pin are the positive and negative electrodes of the receiving tube, when infrared rays of the infrared geminate transistor are shielded by small-particle dust, the fourth pin of the terminal J1 transmits a weak detection signal to the coupling capacitor C17 and then flows into the second pin of the operational amplifier U3, the weak detection signal is output from the first pin of the operational amplifier U3, a resistor R29 connected between the first pin and the second pin is used for voltage feedback, the amplified detection signal is output to the fifth pin and compared with the sixth pin, the voltage of the fifth pin is lower than that of the sixth pin, then the seventh pin outputs the weak detection signal to the MCU, the MCU sends a weak driving signal to the MOS transistor Q7, so that the motor terminal M +1 is grounded to form a loop to realize low-speed rotation, when a user moves, the infrared rays of the infrared geminate transistor are shielded by large dust, the steps are repeated, and at this time, the seventh pin outputs a high-strength detection signal, MCU sends the drive signal that excels in to MOS pipe Q7, thereby motor power increases the rotational speed and promotes and increase suction power, in order to reach clean effect, when the infrared ray of infrared geminate transistor does not have the dust to shelter from, the No. four feet of terminal J1 transmit the high-pressure detected signal and flow into No. two feet of operational amplifier U3 then to coupling capacitor C17, export No. five feet after the enlargeing, the voltage of No. five feet is higher than the voltage of No. six feet this moment, then No. seven feet output high level to MCU, MCU judges that there is not the dust at this moment and then stops motor work.
The utility model discloses a response module, host system, amplify module and drive module, send detected signal to amplifying the module and amplify and send to host system after sensing the dust in the use in the sensing module, host system generates the drive signal to the drive module of adjusting high low rotational speed according to the power of the detected signal who receives, drive module can make the response of high rotational speed or low rotational speed and carry out the dust absorption, because can remove in the user use, consequently, the concentration of sensing module response dust can change, thereby it changes to switch the drive signal that generates different rotational speeds between the power through detected signal this moment, consequently the utility model discloses the dust that can adapt to different concentrations prevents to damage easily with having increased useless consumption with adjusting the rotational speed, lead to the extravagant resource.
In this embodiment, the sensing module 1 further includes a control module 101, the control module 101 receives the transmission signal of the main control module 2 to control the connection or disconnection of the sensing module 1, the control module 101 includes a transistor Q9 connected to the second pin of the infrared pair transistor terminal J1, the C pole of the transistor Q9 is connected to the second pin of the infrared pair transistor terminal J1, the E pole of the transistor Q9 is grounded, the B pole of the transistor Q9 is connected to the main control module 2, when the main control module 2 sends the transmission signal, the transistor Q9 is connected between the second pin of the terminal J1 and the ground, and the second pin of the terminal J1 is grounded to form a loop to realize the control function.
In this embodiment, the driving module 4 further includes an indicator light display module 41, and the indicator light display module 41 is configured to turn red or green to indicate that the driving module 4 rotates at a high speed or a low speed, where the indicator light display module 41 is composed of an LED lamp, the LED lamp is connected between the MOS transistor Q7 and the ground, and receives a UV signal of the fourth pin of the MCU, and when the power and the rotation speed of the motor increase, the LED lamp turns red; when the power and the rotating speed of the motor are reduced, the LED lamp is green, and the LED lamp is convenient for a user to check.
In this embodiment, host system 2 still is connected with temperature detection module 5, temperature detection module 5 is used for real-time detection drive module 4's temperature is so that host system 2 break-make drive module 4, temperature detection module 5 comprises thermistor NTC1 and resistance R41, 5V is connected with resistance R41 one end, the No. two feet of MCU1 and thermistor NTC1 are connected respectively to the resistance R41 other end, the ground connection of thermistor NTC1 other end, thermistor NTC1 is used for real-time detection motor temperature, the resistance rises and the voltage that flows into MCU descends after motor temperature is too high, therefore MCU can judge the temperature of motor during operation, stop motor operation until the too high temperature MCU, prevent the damage.
In this embodiment, an overcurrent detection module 6 is further connected between the driving module 4 and the main control module 2, the overcurrent detection module 6 is configured to detect a real-time current of the driving module 4 to turn on and off the driving module 4, the overcurrent detection module 6 is composed of a transistor Q8, a resistor R25 and a resistor R24, an eleventh pin of the MCU is connected with a resistor R25 and a resistor R24, and then the second pin of the transistor Q8 is connected with the C pole of the transistor Q8 and the twenty-first pin of the MCU, and the E pole of the transistor Q8 is connected with ground, when the first pin of the MCU1 sends an overcurrent detection signal, the transistor Q8 turns on the first pin of the MCU2 to form a loop with the ground to implement short-circuit protection, stop the motor from running, and prevent damage.
The utility model provides a dust catcher, includes the dust catcher body and locates the inside dust detection circuitry of dust catcher body, detection circuitry's motor terminal M +1 still is connected with driving motor, infrared geminate transistor is located dust catcher body dust absorption is served, driving motor locates the inside debris that will inhale the dust end of dust catcher body inhales inside the dust catcher body, therefore the user can be in the removal and clean the not equidimension dust of in-process infrared geminate transistor response, and the motor will carry out the dust absorption with different speed, and convenience of customers uses.
The working principle is as follows: the sensing module collects dust concentration information, and when small dust is collected, weak detection signals are sent to the amplifying module for boosting and comparison, and then weak detection signals are output to the main control module, so that the main control module outputs weak driving signals to drive the driving module to rotate at a low speed; when a user moves the equipment and senses large dust, the high-strength detection signal is sent to the amplification module for boosting and comparison, and then the high-strength detection signal is output to the main control module, so that the main control module outputs a high-strength driving signal to drive the driving module to boost power and increase rotating speed; when the sensing module does not sense dust, the high voltage is sent to the amplifying module to be boosted and compared, and then the high level is output to the main control module, so that the main control module stops driving the driving module.
The utility model discloses a response module, host system, amplify module and drive module, send detected signal to amplifying the module and amplify and send to host system after sensing the dust in the use in the sensing module, host system generates the drive signal to the drive module of adjusting high low rotational speed according to the power of the detected signal who receives, drive module can make the response of high rotational speed or low rotational speed and carry out the dust absorption, because can remove in the user use, consequently, the concentration of sensing module response dust can change, thereby it changes to switch the drive signal that generates different rotational speeds between the power through detected signal this moment, consequently the utility model discloses the dust that can adapt to different concentrations prevents to damage easily with having increased useless consumption with adjusting the rotational speed, lead to the extravagant resource.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A dust detection circuit, characterized by: including response module (1), host system (2), amplifier module (3) and drive module (4), wherein:
sensing module (1): the dust sensor is used for sensing dust density, converting the dust density into a detection signal and sending the detection signal to the amplification module (3);
amplification module (3): the sensing module is connected with the sensing module (1), amplifies a detection signal at an input end and outputs the detection signal to the main control module (2) at an output end;
master control module (2): the driving module is connected with the amplifying module (3), receives the detection signal amplified by the amplifying module (3), generates a driving signal for adjusting the high and low rotating speeds according to the strength of the detection signal and outputs the driving signal to the driving module (4);
drive module (4): the dust collector is connected with the main control module (2) to realize rotary dust collection at different rotating speeds.
2. A dust detection circuit according to claim 1, wherein: the induction module (1) is internally provided with a control module (101), and the control module (101) receives the transmission signal of the main control module (2) to control the conduction or the disconnection of the induction module (1).
3. A dust detection circuit according to claim 1, wherein: the driving module (4) further comprises an indicator light display module (41), and the indicator light display module (41) is used for turning red or green to indicate that the driving module (4) rotates at a high speed or a low speed.
4. A dust detection circuit according to claim 1, wherein: still be connected with temperature detection module (5) in host system (2), temperature detection module (5) are used for real-time detection the temperature of drive module (4) is so that drive module (4) high temperature back host system (2) stop drive module (4) work.
5. A dust detection circuit according to claim 1, wherein: an overcurrent detection module (6) is further connected between the driving module (4) and the main control module (2), and the overcurrent detection module (6) is used for detecting the real-time current of the driving module (4) to switch on and off the driving module (4).
6. A dust detection circuit according to claim 2, wherein: induction module (1) adopts infrared geminate transistor terminal J1, be connected with infrared geminate transistor on the infrared geminate transistor terminal J1, infrared geminate transistor terminal J1 foot is connected with resistance R30 one end, the resistance R30 other end is connected with +5V, infrared geminate transistor terminal J1 foot No. two with control module (101) are connected, infrared geminate transistor terminal J1 foot ground connection No. three, infrared geminate transistor terminal J1 foot is connected with coupling capacitance C17.
7. A dust detection circuit according to claim 6, wherein: control module (101) include with triode Q9 that infrared geminate transistor terminal J1 pin two is connected, triode Q9's C utmost point with infrared geminate transistor terminal J1 pin two is connected, triode Q9's E utmost point ground connection, triode Q9's B utmost point with master control module (2) are connected.
8. A dust detection circuit according to claim 7, wherein: the amplifier module (3) is including the model for LM 358's operational amplifier U3, be connected with resistance R29 between a foot on the operational amplifier U3 and the No. two feet, resistance R29 is used for voltage feedback, No. two feet on the operational amplifier U3 still with coupling capacitance C17 connects, No. one foot and No. five feet of operational amplifier U3 are connected, No. three feet, No. six feet and No. eight feet of operational amplifier U3 all with resistance connection then with +5V be connected, No. four feet ground connection, No. seven feet are connected with resistance R31, resistance R31 with master control module (2) are connected.
9. A dust detection circuit according to claim 1, wherein: drive module (4) include motor terminal M +1, motor terminal M +1 one end is connected the other end with network B + and is connected with MOS pipe Q7, MOS pipe Q7 the D utmost point with motor terminal M +1 is connected, MOS pipe Q7 'S S utmost point ground connection, MOS pipe Q7' S G utmost point is connected with resistance R23 'S one end, resistance R23' S the other end with main control module (2) are connected.
10. A kind of dust collector, characterized by: the dust detection circuit comprises a dust collector body and a dust detection circuit arranged in the dust collector body according to any one of claims 1 to 9, wherein a motor terminal M +1 of the detection circuit is further connected with a driving motor, the infrared pair tube is arranged on a dust collection end of the dust collector body, and the driving motor is arranged in the dust collector body and sucks sundries at the dust collection end into the dust collector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921253361.1U CN210842860U (en) | 2019-08-03 | 2019-08-03 | Dust detection circuit and dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921253361.1U CN210842860U (en) | 2019-08-03 | 2019-08-03 | Dust detection circuit and dust collector |
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| CN210842860U true CN210842860U (en) | 2020-06-26 |
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| CN201921253361.1U Active CN210842860U (en) | 2019-08-03 | 2019-08-03 | Dust detection circuit and dust collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656301A (en) * | 2020-12-25 | 2021-04-16 | 珠海格力电器股份有限公司 | Dust collector, control method and device of dust collector and storage medium |
| CN113616108A (en) * | 2021-08-23 | 2021-11-09 | 苏州市春菊电器有限公司 | Method for intelligently adjusting rotating speed of motor of dust collector |
-
2019
- 2019-08-03 CN CN201921253361.1U patent/CN210842860U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656301A (en) * | 2020-12-25 | 2021-04-16 | 珠海格力电器股份有限公司 | Dust collector, control method and device of dust collector and storage medium |
| CN113616108A (en) * | 2021-08-23 | 2021-11-09 | 苏州市春菊电器有限公司 | Method for intelligently adjusting rotating speed of motor of dust collector |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dust detection circuit and dust collector Effective date of registration: 20201020 Granted publication date: 20200626 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: Zhongshan Chunqiao Electronic Technology Co.,Ltd. Registration number: Y2020980006938 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220923 Granted publication date: 20200626 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: Zhongshan Chunqiao Electronic Technology Co.,Ltd. Registration number: Y2020980006938 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Dust detection circuit and dust collector Effective date of registration: 20220927 Granted publication date: 20200626 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: Zhongshan Chunqiao Electronic Technology Co.,Ltd. Registration number: Y2022980016503 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |