CN215182261U - Control circuit for sharing blower - Google Patents
Control circuit for sharing blower Download PDFInfo
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- CN215182261U CN215182261U CN202121072411.3U CN202121072411U CN215182261U CN 215182261 U CN215182261 U CN 215182261U CN 202121072411 U CN202121072411 U CN 202121072411U CN 215182261 U CN215182261 U CN 215182261U
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Abstract
The utility model provides a control circuit for sharing hair-dryer, including singlechip, power supply control circuit to and thing networking module, the singlechip is connected with the power supply control circuit electricity, and the singlechip still communicates the interconnection with thing networking module, receives the signal that comes from thing networking module, is used for the last electricity and the outage of control sharing hair-dryer. The utility model discloses can use the shared hair-dryer through the mode of electronic equipment scanning two-dimensional code, simultaneously, the singlechip still is connected with the induction circuit that punches the card, also can use the shared hair-dryer through the mode of punching the card. The utility model has the characteristics of convenient operation, degree of safety are high, fully combined campus student's consumption mode, can use well in the campus place.
Description
Technical Field
The utility model relates to a hair-dryer field especially relates to a control circuit for sharing hair-dryer.
Background
The hair dryer is a daily necessary article, almost everyone can have at home, and many schools in China are at present hosted or closed, and most colleges and universities are not allowed to use high-power electric appliances, but most students urgently want to install the hair dryer or use the hair dryer in the schools. Therefore, it is desirable to provide a control circuit for a shared air blower, which not only reduces the potential safety hazard of schools, but also allows students to spend less money on using the air blower, thereby facilitating daily life.
SUMMERY OF THE UTILITY MODEL
The utility model provides a control circuit for sharing hair-dryer solves and lacks a safe and reliable's sharing hair-dryer control circuit, makes things convenient for the problem that the student used in the campus.
For solving the technical problem, the utility model discloses a technical scheme provide a control circuit for sharing hair-dryer, including singlechip, power supply control circuit to and thing networking module, the singlechip with the power supply control circuit electricity is connected, the singlechip still communicates interconnected with thing networking module, receives and comes from thing networking module's signal is used for controlling the last electricity and the outage of sharing hair-dryer.
Preferably, the power supply control circuit comprises a power supply control field effect transistor, a grid electrode of the power supply control field effect transistor is electrically connected with a power supply control resistor and then is connected to a power supply control pin of the single chip microcomputer, a source electrode of the power supply control field effect transistor is grounded, a drain electrode of the power supply control field effect transistor is electrically connected with an anode of the protection diode, and a cathode of the protection diode is connected to a first direct current power supply;
the utility model discloses a power supply control field effect transistor, including power supply control relay, second controlled end, shared hair-dryer's zero line end lug connection alternating current, work as the power supply control pin drive of singlechip power supply control field effect transistor switches on the back, power supply control relay's first controlled end and the contact of second controlled end, shared hair-dryer begins work.
Preferably, the power supply control circuits are provided with a plurality of power supply control circuits, are electrically connected with the single chip microcomputer and respectively correspond to the plurality of shared blowers.
Preferably, each sharing blower is further provided with an infrared detection circuit correspondingly and respectively for detecting whether the sharing blower is taken out or put back, and each infrared detection circuit is electrically connected with the single chip microcomputer.
Preferably, the infrared detection circuit comprises an infrared emission circuit and an infrared receiving circuit, the infrared emission circuit comprises an infrared light emitting diode, the anode of the infrared light emitting diode is electrically connected with an infrared emission current-limiting resistor and then connected to a second direct current power supply, the cathode of the infrared light emitting diode is electrically connected with the collector of an infrared emission control triode, the base of the infrared emission control triode is electrically connected with the infrared emission control resistor and then connected to the infrared emission control end of the single chip microcomputer, and the emitter of the infrared emission control triode is grounded; the infrared receiving circuit comprises an infrared receiver, a power end of the infrared receiver is electrically connected with a second direct-current power supply, and an output end of the infrared receiver is electrically connected with an infrared receiving control resistor and then is connected to an infrared receiving end of the single chip microcomputer.
Preferably, each shared blower also corresponds to one display module respectively and is used for timing the working time of the corresponding shared blower, and each display module is electrically connected with the single chip microcomputer.
Preferably, the internet of things module comprises a chip EC600S-CN and a SIM card, the chip EC600S-CN is electrically connected with the SIM card, and the communication interconnection between the single chip microcomputer and the chip EC600S-CN is asynchronous serial port communication connection.
Preferably, the single chip microcomputer is also electrically connected with a card swiping induction interface, and the card swiping induction interface is used for being connected with a card swiping induction circuit board.
Preferably, the singlechip is further connected with a buzzer, a first direct current power supply is connected to the positive electrode of the buzzer after being electrically connected with the alarm current limiting resistor, the negative electrode of the buzzer is electrically connected with the collector of the alarm control triode, the emitter of the alarm control triode is grounded, and the base is electrically connected with the alarm current limiting resistor and then is connected to the alarm control end of the singlechip.
Preferably, the power supply circuit further comprises a first-order power supply circuit and a second-order power supply circuit, the first-order power supply circuit comprises a power supply module, an input end of the power supply module is electrically connected with an alternating current power supply, and an output end of the power supply module outputs a first direct current power supply; the second-order power supply circuit comprises a chip XL1509-5V, wherein the input end of the chip XL1509-5V is electrically connected with a first direct-current power supply, and the output end of the chip XL1509-5V outputs a second direct-current power supply.
The utility model has the advantages that: the utility model provides a control circuit for sharing hair-dryer, including singlechip, power supply control circuit to and thing networking module, the singlechip is connected with the power supply control circuit electricity, and the singlechip still communicates the interconnection with thing networking module, receives the signal that comes from thing networking module, is used for the last electricity and the outage of control sharing hair-dryer. The utility model discloses can use the shared hair-dryer through the mode of electronic equipment scanning two-dimensional code, simultaneously, the singlechip still is connected with the induction circuit that punches the card, also can use the shared hair-dryer through the mode of punching the card. The utility model has the characteristics of convenient operation, degree of safety are high, fully combined campus student's consumption mode, can use well in the campus place.
Drawings
Fig. 1 is a schematic circuit diagram of a control circuit for a shared hair dryer according to the present invention;
fig. 2 is a circuit diagram of a first order power supply for a control circuit for a shared hair dryer in accordance with the present invention;
fig. 3 is a circuit diagram of a second order power supply for a shared blower control circuit in accordance with the present invention;
figure 4 is a schematic diagram of a single-chip microcomputer used in a control circuit for a shared hair dryer in accordance with the present invention;
fig. 5 is a schematic diagram of a chip EC600S-CN in a control circuit for a shared blower according to the present invention;
figure 6 is a schematic diagram of a SIM card holder for use in a control circuit for a shared air blower according to the present invention;
fig. 7 is a schematic diagram of a chip in the control circuit for a shared blower in communication with a chip EC600S-CN in accordance with the present invention;
fig. 8 is a schematic diagram of a chip EC600S-CN reset circuit in a control circuit for a shared blower according to the present invention;
figure 9 is a power supply control circuit for use in a control circuit for a shared hair dryer in accordance with the present invention;
fig. 10 is an infrared transmitting circuit for use in a control circuit for a shared hair dryer in accordance with the present invention;
fig. 11 is an infrared receiving circuit for use in a control circuit for a shared hair dryer in accordance with the present invention;
figure 12 is a pictorial view of a nixie tube in a display module in a control circuit for a shared blower in accordance with the present invention;
figure 13 is a schematic diagram of a swipe sensing interface for use in a control circuit for a shared hair dryer, in accordance with the present invention;
figure 14 is a buzzer circuit diagram for use in a control circuit for a shared air blower in accordance with the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a control circuit for a shared blower includes a single chip microcomputer 1, a power supply control circuit 3, and an internet of things module 2, where the single chip microcomputer 1 is electrically connected to the power supply control circuit 3, and the single chip microcomputer 1 and the internet of things module 2 are communicatively interconnected to receive a signal from the internet of things module 2, and are used to control the power-on and power-off of a shared blower 4. After the user scans the two-dimensional code, the remote control platform can identify the shared blower corresponding to the two-dimensional code, then sends a control signal of the shared blower to the Internet of things module, and the Internet of things module receives the control signal and then turns off and controls the power supply control circuit through the single chip microcomputer.
Preferably, the hair dryer further comprises an infrared detection circuit 5, wherein the infrared detection circuit 5 is used for detecting whether the shared hair dryer 4 is taken out and put back, the shared hair dryer 4 is usually hung on a wall, the shared hair dryer 4 is powered on to start operation when the infrared detection circuit 5 detects that the shared hair dryer 4 is taken out, and the shared hair dryer 4 is powered off to stop operation when the infrared detection circuit 5 detects that the shared hair dryer 4 is put back.
Preferably, the single chip microcomputer 1 is further electrically connected with a card swiping sensing interface, and the card swiping sensing interface is used for being connected with a card swiping sensing circuit board, and the card swiping sensing circuit board represents the card swiping sensing circuit 6. It can be seen that the shared blower 4 can be used not only by scanning the two-dimensional code, but also by sensing the card.
Preferably, the single chip microcomputer 1 is further connected with a display module, and the display module can time the service time of the shared air blower 4.
Preferably, the control circuit further comprises a power supply circuit, and the power supply circuit supplies power to the whole control circuit.
In summary, the working principle of the shared blower 4 is as follows: the user authenticates using the shared blower 4 by scanning the two-dimensional code or swiping a card; after the authentication is finished, when the user takes out the shared blower 4, the infrared detection circuit 5 detects that the shared blower 4 is taken out, the shared blower 4 is powered on through the single chip microcomputer 1, and when the user puts back the shared blower 4, the shared blower 4 is powered off through the single chip microcomputer 1; the power-on and power-off process is completed by the singlechip 1 through the power supply control circuit 3. During the working period of the shared air blower 4, the shared air blower is charged through the display module, and the fee is deducted from the electronic equipment used by the user or the fee is deducted from the sensing card.
Preferably, as an embodiment of the utility model discloses, sharing hair-dryer 4 has a plurality ofly, and every sharing hair-dryer 4 corresponds an thing networking module 2, a sensing circuit 6 of punching the card, a power supply control circuit 3, an infrared detection circuit 5 and a display module respectively, the mode that is one-to-one.
Preferably, as the utility model discloses a another embodiment, same thing networking module 2 and the induction circuit 6 and the display module of punching the card correspond two shares and blow aircraft 4, and this two shares blow aircraft 4 and correspond a power supply control circuit 3 and an infrared detection circuit 5 respectively. That is, the user can correspondingly turn on the two sharing blowers 4 by scanning the two-dimensional code or swiping the card, when the two sharing blowers 4 are both taken out, the two sharing blowers can work simultaneously, and when one sharing blower 4 is taken out, the two sharing blowers can work independently. This way, the user may use two shared blowers 4 simultaneously or, when using one shared blower 4, be able to share another shared blower 4 with others.
As shown in fig. 2 and fig. 3, the power supply circuit includes a first-order power supply circuit and a second-order power supply circuit, the first-order power supply circuit includes a power supply module AM02, an input end of the power supply module AM02 is electrically connected to an ac power supply, and an output end V + outputs a first dc power supply + 12V.
In FIG. 3, the second-order power circuit comprises a chip XL1509-5V, wherein the input end of the chip XL1509-5V is electrically connected with a first direct-current power supply +12V, and the output end of the chip XL1509-5V outputs a second direct-current power supply + 5V.
Specifically, as shown IN fig. 3, an input terminal IN of the chip XL1509-5V is electrically connected to the first dc power supply +12V, an output terminal OUT is connected to a negative electrode of the diode D4, an anode of the diode D4 is grounded, the output terminal OUT is also connected to an inductor L1, the other end of the inductor L1 is connected to an anode of the first polarity capacitor C6, a negative electrode of the first polarity capacitor C6 is grounded, and an anode of the first polarity capacitor C6 is electrically connected to the fuse F1 and outputs the second dc power supply + 5V. The second direct current power supply +5V is also respectively electrically connected with the filter capacitor C4 and the filter capacitor C5 and then grounded.
The positive pole of the first polarity capacitor C6 is also electrically connected with the feedback terminal FB of the chip XL1509-5V, and the switch terminal ON/OFF of the chip XL1509-5V is grounded.
The anode of the first polarity capacitor C6 is further connected to the anode of the first diode D1, the cathode of the first diode D1 is electrically connected to the anode of the second diode D2, and the cathode of the second diode D2 is used as a third dc power VCC _ GPRS provided for the module of the internet of things.
The anode of the first diode D1 is also electrically connected to the anode of the polar capacitor C7, the cathode of the polar capacitor C7 is grounded, the anode of the second diode D2 is also a non-polar capacitor C3, and the other end of the non-polar capacitor C3 is grounded.
Preferably, the input end IN of the chip XL1509-5V is further electrically connected with a protection resistor RT1 and then connected to the cathode of a power input diode D3, the anode of the power input diode D3 is electrically connected with a first direct current power supply +12V, the input end IN of the chip XL1509-5V is further connected with the anode of a polar capacitor C1, the cathode of the polar capacitor C1 is grounded, and the input end IN of the chip XL1509-5V is further connected with a non-polar capacitor C2 and then grounded.
The chip XL1509-5V can convert the +12V of the first direct-current power supply into +5V of the second direct-current power supply to be output to the power supply of the single chip microcomputer, and the power supply is divided by the first diode D1 and the second diode D2 to be provided to the third direct-current power supply VCC _ GPRS of the Internet of things module, and the value of the third direct-current power supply VCC _ GPRS is close to + 4V. It can be seen that two independent power supply branches are adopted to respectively provide direct current power supplies for the singlechip and the internet of things module, and the function of the direct current power supply is to avoid mutual power supply interference. The reverse blocking effect of the first diode D1 does not affect the supply stability of the +5V first dc power supply.
Specifically, as shown in fig. 4, the single chip of the present invention is a chip STC8G2K64S 4.
As shown in FIG. 5, in the utility model discloses in, thing networking module includes chip EC600S-CN and SIM card, and chip EC600S-CN and SIM card electric connection.
Specifically, the SIM card is fixed in the SIM card seat and is electrically connected with the chip EC 600S-CN. A power supply end SIM _ VDD of the SIM card socket in the figure 6 is connected to a USIM _ VDD pin of the chip EC600S-CN in the figure 5, and is also electrically connected with a capacitor C8 and then grounded; the reset end SIM _ RST is connected with a resistor R3 and then is connected with a USIM _ RST pin of the chip EC600S-CN in the figure 5; the clock end SIM _ CLK is connected with the resistor R4 and then is connected with a USIM _ CLK pin of the chip EC600S-CN in the chip of FIG. 5; the I/0 terminal SIM _ IO is connected to the USIM _ DATA pin of the chip EC600S-CN in FIG. 5 after being electrically connected with the resistor R5, and is also connected to the power supply terminal SIM _ VDD after being connected with the pull-up resistor R6.
Preferably, as shown in fig. 7. The communication interconnection between the single chip microcomputer and the chip EC600S-CN is asynchronous serial port communication connection. In FIG. 6, the power supply output of chip EC600S-CN outputs the fourth DC power supply of + 1.8V.
A first serial port reading end P3.0 of the chip microcomputer in fig. 4 is electrically connected with a collector of the first control triode Q1, a base of the first control triode Q1 is electrically connected with the first current limiting resistor R8 and then connected to the fourth direct current power supply +1.8V, and an emitter of the first control triode Q1 is electrically connected with a serial port writing end MAIN _ TXD of the chip EC600S-CN in fig. 5.
Preferably, the first serial port reading end P3.0 of the single chip microcomputer is electrically connected with the first pull-up resistor R1 and then connected with the second direct current power supply + 5V.
The first serial port reading end P3.0 of the single chip microcomputer can receive data from the chip EC600S-CN, but when the first serial port reading end P3.0 of the single chip microcomputer outputs a low level, the first control triode Q1 is cut off, and the first serial port reading end P3.0 of the single chip microcomputer stops receiving the data.
Preferably, a first serial port write terminal P3.1 of the chip microcomputer in fig. 4 is electrically connected to an emitter of the second control transistor Q6, a base of the second control transistor Q6 is electrically connected to the second current limiting resistor, then R7 is connected to the fourth dc power supply +1.8V, and a collector of the second control transistor Q6 is electrically connected to a serial port read-out terminal MAIN _ RXD of the chip EC600S-CN in fig. 5.
Preferably, the serial port sensing terminal MAIN _ RXD of the chip EC600S-CN is electrically connected to the second pull-up resistor R2 and then connected to the fourth dc power supply + 1.8V.
The serial port reading end MAIN _ RXD of the chip EC600S-CN can receive data from the single chip microcomputer, when the serial port reading end MAIN _ RXD of the chip EC600S-CN outputs a low level, the second control triode Q6 is cut off, and the serial port reading end MAIN _ RXD of the chip EC600S-CN stops receiving the data.
Preferably, as shown in fig. 8. The third dc power VCC _ GPRS is not directly electrically connected to the power supply terminal VBAT of the chip EC600S-CN, but the third dc power VCC _ GPRS is electrically connected to the source of an MOS transistor Q2 for power supply control, the gate of the MOS transistor Q2 is electrically connected to one end of a reset control current-limiting resistor R21, the other end of the reset control current-limiting resistor R21 is electrically connected to the input/output pin P4.3 of the chip microcomputer in fig. 4 as the power supply reset control terminal, two pull-up resistors R17 and R18 are further connected in parallel between the power supply reset control terminal and the third dc power VCC _ GPRS, and the drain of the MOS transistor Q2 is connected to the power supply terminal VBAT of the chip EC600S-CN in fig. 5 as the controlled terminal of the third dc power VCC _ GPRS.
When the integrated circuit works normally, the single chip microcomputer controls the MOS tube Q2 to be switched on, so that the third direct current power supply VCC _ GPRS can supply power to the chip EC600S-CN, when the single chip microcomputer controls the MOS tube Q2 to be switched off, the chip EC600S-CN is switched off, then the single chip microcomputer controls the MOS tube Q2 to be switched on again, so that the power supply to the chip EC600S-CN is realized, the power-on control to the chip EC600S-CN can be realized again, the restarting operation to the chip EC600S-CN is realized, and the use reliability of the chip EC600S-CN is ensured.
As shown in fig. 9. The power supply control circuit comprises a power supply control field effect transistor Q4, a grid electrode of the power supply control field effect transistor Q4 is electrically connected with a power supply control resistor R25 and then is connected to a power supply control pin P5.0 of a singlechip in the picture 4, a source electrode of the power supply control field effect transistor Q4 is grounded, a drain electrode of the power supply control field effect transistor Q4 is electrically connected with the anode of a protection diode D6, and the cathode of the protection diode D6 is connected with a first direct current power supply + 12V. The power supply control pin P5.0 of the singlechip in FIG. 4 is also electrically connected with the resistor R29 and the resistor R30 respectively and then grounded.
The drain electrode of the power supply control field effect transistor Q4 is also electrically connected with the coil cathode of the power supply control relay K1, the coil anode of the power supply control relay K1 is electrically connected with a first direct-current power supply +12V, the first controlled end of the power supply control relay K1 is connected with the live wire L of alternating current, the second controlled end is connected with the live wire end of the shared blower, the null wire end of the shared blower is directly connected with the null wire N of the alternating current, when the power supply control pin P5.0 of the singlechip in figure 4 drives the power supply control field effect transistor Q4 to be conducted, the first controlled end and the second controlled end of the power supply control relay K1 are in contact, and the shared blower starts to work.
Preferably, when there are a plurality of power supply control circuits, each power supply control circuit has the same composition, is electrically connected to the single chip microcomputer in fig. 4, and corresponds to a plurality of shared blowers.
Preferably, each sharing blower is further provided with an infrared detection circuit correspondingly, and the infrared detection circuits are used for detecting whether the sharing blower is taken out or put down, and each infrared detection circuit is electrically connected with the single chip microcomputer in the figure 4.
As shown in fig. 10 and 11, the infrared detection circuit includes an infrared emission circuit and an infrared receiving circuit, the infrared emission circuit includes an infrared light emitting diode LED1, a positive electrode of the infrared light emitting diode LED1 is electrically connected to an infrared emission current limiting resistor R43 and then connected to a second dc power supply +5V, a negative electrode of the infrared light emitting diode LED1 is electrically connected to a collector of an infrared emission control triode Q3, a base of the infrared emission control triode Q3 is electrically connected to an infrared emission control resistor R42 and then connected to an infrared emission control terminal P0.5 of the single chip microcomputer in fig. 4, and the base of the infrared emission control triode Q3 is also electrically connected to an infrared voltage dividing resistor R50 and then grounded. The emitter of the infrared emission control transistor Q3 is grounded.
The infrared receiving circuit comprises an infrared receiver which is a chip HS0038B, a power supply end of the infrared receiver is electrically connected with a second direct-current power supply of +5V, and an output end of the infrared receiver is electrically connected with an infrared receiving control resistor R20 and then connected to an infrared receiving end P3.2 of the single chip microcomputer in the figure 4.
The power supply end of the infrared receiver is also electrically connected with the filter capacitor C11 and the filter capacitor C12 and then grounded.
Preferably, each sharing blower also corresponds to a display module respectively, and is used for timing the working time of the corresponding sharing blower, and each display module is electrically connected with the single chip microcomputer. Fig. 12 shows a schematic connection diagram of a nixie tube, and a display module consisting of four such nixie tubes is capable of displaying the time of use of the shared blower. In fig. 12, the common terminals (a to g and dp) of the nixie tube DS1 are respectively connected to one input/output terminal (P2.0, P2.3, P2.4 to P2.7, P4.5, P4.6) of the single chip microcomputer in fig. 4 through a current-limiting resistor, and the common cathodes (com1, com2, com3, com4) of the nixie tube DS1 are respectively connected to one input/output terminal (P3.5, P3.6, P3.7, P4.1) of the single chip microcomputer.
As shown in fig. 13, the single chip computer in fig. 4 is also electrically connected with a card swiping induction interface J1, and the card swiping induction interface J1 is used for connecting a card swiping induction circuit board, so that the card swiping use shared air blower can be realized.
As shown in fig. 14, the single chip microcomputer is further connected with a buzzer B1, the positive electrode of the buzzer B1 is electrically connected with an alarm current limiting resistor R24 and then connected to a first direct current power supply of +12V, the negative electrode of the buzzer B1 is electrically connected with the collector of an alarm control triode Q3, the emitter of the alarm control triode Q3 is grounded, and the base is electrically connected with an alarm control current limiting resistor R27 and then connected to an alarm control terminal P4.4 of the single chip microcomputer in fig. 4. After the alarm control end P4.4 of the singlechip in FIG. 4 controls the conduction of the alarm control triode Q3, the buzzer B1 starts alarming. Through the method, the user can be prompted to recharge when the balance of the induction card is insufficient.
Therefore, the utility model provides a control circuit for sharing hair-dryer, including singlechip, power supply control circuit to and thing networking module, the singlechip is connected with the power supply control circuit electricity, and the singlechip still communicates the interconnection with thing networking module, receives the signal that comes from thing networking module, is used for controlling the power-on and the outage of sharing hair-dryer. The utility model discloses can use the shared hair-dryer through the mode of electronic equipment scanning two-dimensional code, simultaneously, the singlechip still is connected with the induction circuit that punches the card, also can use the shared hair-dryer through the mode of punching the card. The utility model has the characteristics of convenient operation, degree of safety are high, fully combined campus student's consumption mode, can use well in the campus place.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (10)
1. A control circuit for a shared hair dryer, characterized by: the intelligent air blower is characterized by comprising a single chip microcomputer, a power supply control circuit and an Internet of things module, wherein the single chip microcomputer is electrically connected with the power supply control circuit, and the single chip microcomputer is also in communication interconnection with the Internet of things module, receives signals from the Internet of things module and is used for controlling the power-on and power-off of a shared air blower.
2. The control circuit for a shared blower of claim 1, wherein: the power supply control circuit comprises a power supply control field effect transistor, a grid electrode of the power supply control field effect transistor is electrically connected with a power supply control resistor and then is connected to a power supply control pin of the single chip microcomputer, a source electrode of the power supply control field effect transistor is grounded, a drain electrode of the power supply control field effect transistor is electrically connected with an anode of a protection diode, and a cathode of the protection diode is connected to a first direct current power supply;
the utility model discloses a power supply control field effect transistor, including power supply control relay, second controlled end, shared hair-dryer's zero line end lug connection alternating current, work as the power supply control pin drive of singlechip power supply control field effect transistor switches on the back, power supply control relay's first controlled end and the contact of second controlled end, shared hair-dryer begins work.
3. The shared blower circuit of claim 2, wherein: the power supply control circuits are provided with a plurality of power supply control circuits, are electrically connected with the single chip microcomputer and respectively correspond to the plurality of shared blowers.
4. The shared blower circuit of claim 3, wherein: each sharing hair drier still corresponds respectively and sets up an infrared detection circuit for whether detect sharing hair drier takes out or puts back, every infrared detection circuit all with the singlechip electricity is connected.
5. The shared blower circuit of claim 4, wherein: the infrared detection circuit comprises an infrared emission circuit and an infrared receiving circuit, the infrared emission circuit comprises an infrared light emitting diode, the anode of the infrared light emitting diode is electrically connected with an infrared emission current-limiting resistor and then connected to a second direct current power supply, the cathode of the infrared light emitting diode is electrically connected with the collector of an infrared emission control triode, the base of the infrared emission control triode is electrically connected with the infrared emission control resistor and then connected to the infrared emission control end of the single chip microcomputer, and the emitter of the infrared emission control triode is grounded;
the infrared receiving circuit comprises an infrared receiver, a power end of the infrared receiver is electrically connected with a second direct-current power supply, and an output end of the infrared receiver is electrically connected with an infrared receiving control resistor and then is connected to an infrared receiving end of the single chip microcomputer.
6. The shared blower circuit of claim 5, wherein: each sharing blower also corresponds to one display module respectively and is used for timing the working time of the corresponding sharing blower, and each display module is electrically connected with the single chip microcomputer.
7. The shared blower circuit of any one of claims 1 to 6, wherein: the Internet of things module comprises a chip EC600S-CN and a SIM card, the chip EC600S-CN is electrically connected with the SIM card, and the communication interconnection between the single chip microcomputer and the chip EC600S-CN is asynchronous serial port communication connection.
8. The shared blower circuit of claim 7, wherein: the single chip microcomputer is also electrically connected with a card swiping induction interface, and the card swiping induction interface is used for being connected with a card swiping induction circuit board.
9. The shared blower circuit of claim 8, wherein: the single chip microcomputer is further connected with a buzzer, a first direct current power supply is connected to the positive electrode of the buzzer after being electrically connected with an alarm current limiting resistor, the negative electrode of the buzzer is electrically connected with a collector electrode of the alarm control triode, an emitting electrode of the alarm control triode is grounded, and a base electrode of the alarm control triode is electrically connected with an alarm current limiting resistor and then connected to an alarm control end of the single chip microcomputer.
10. The shared hairdryer circuit of claim 9, wherein: the power supply circuit comprises a first-order power supply circuit and a second-order power supply circuit, the first-order power supply circuit comprises a power supply module, the input end of the power supply module is electrically connected with an alternating current power supply, and the output end of the power supply module outputs a first direct current power supply; the second-order power supply circuit comprises a chip XL1509-5V, wherein the input end of the chip XL1509-5V is electrically connected with a first direct-current power supply, and the output end of the chip XL1509-5V outputs a second direct-current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072411.3U CN215182261U (en) | 2021-05-17 | 2021-05-17 | Control circuit for sharing blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072411.3U CN215182261U (en) | 2021-05-17 | 2021-05-17 | Control circuit for sharing blower |
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| Publication Number | Publication Date |
|---|---|
| CN215182261U true CN215182261U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121072411.3U Active CN215182261U (en) | 2021-05-17 | 2021-05-17 | Control circuit for sharing blower |
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| Country | Link |
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| CN (1) | CN215182261U (en) |
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2021
- 2021-05-17 CN CN202121072411.3U patent/CN215182261U/en active Active
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