CN218471435U - Electric control system of 86 control box - Google Patents
Electric control system of 86 control box Download PDFInfo
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- CN218471435U CN218471435U CN202222222771.8U CN202222222771U CN218471435U CN 218471435 U CN218471435 U CN 218471435U CN 202222222771 U CN202222222771 U CN 202222222771U CN 218471435 U CN218471435 U CN 218471435U
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Abstract
The utility model relates to a 86 control box electrical system technical field, in particular to electrical system of 86 control box, including setting up the host system on 86 control box, wiFi module and power signal module, host system is connected with wiFi module and power signal module electricity respectively, the wiFi module includes first step-down circuit, second step-down circuit, third step-down circuit and chip M1, power signal module provides 5V voltage, change 5V voltage step-down for the power supply of chip M1 through first step-down circuit 3.3V, host system is connected with chip M1's fifteenth pin and sixteenth pin electricity respectively, be used for receiving or sending chip M1's operating signal respectively, chip M1's fifteenth pin is connected with the transmitting terminal electricity of the communication equipment of peripheral hardware, chip M1's sixteenth pin and the receiving terminal of the communication equipment of peripheral hardware, in order to upload to cell-phone or other remote communication terminal in order to communicate with chip M1's data.
Description
Technical Field
The utility model relates to a 86 control box electrical system technical field, in particular to electrical system of 86 control box.
Background
The 86 control box usually refers to a unit which utilizes the combination and programming of a control board and electronic components to realize the intelligent switch control of a circuit. Particularly in the technical field of intelligent home, the intelligent household intelligent lighting system is often adopted in lighting, air conditioning, floor heating, fresh air, dimming and scene control; at present, most of 86 control boxes for fresh air systems in the market have insufficient functions and cannot meet the requirement of multi-functionalization.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: an electric control system of the 86 control box is provided, which can realize communication with a mobile phone or other remote communication terminals.
In order to solve the technical problem, the utility model discloses a technical scheme be:
an electric control system of an 86 control box comprises a main control module, a WiFi module and a power signal module which are arranged on the 86 control box, wherein the main control module is respectively and electrically connected with the WiFi module and the power signal module;
the WiFi module comprises a first voltage reduction circuit, a second voltage reduction circuit, a third voltage reduction circuit and a chip M1, the model of the chip M1 is BC206, an eighth pin of the chip M1 is electrically connected with the first voltage reduction circuit, a fifteenth pin of the chip M1 is electrically connected with the main control module, a fifteenth pin of the chip M1 is electrically connected with a sending end of a peripheral communication device through the second voltage reduction circuit, a sixteenth pin of the chip M1 is electrically connected with the main control module, and a sixteenth pin of the chip M1 is electrically connected with a receiving end of the peripheral communication device through the third voltage reduction circuit.
Further, the first voltage reduction circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a chip U1, the model of the chip U1 is LM1117, the first pin of the chip U1 is respectively electrically connected with one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4, the first pin of the chip U1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 are all grounded, the second pin of the chip U1 is respectively electrically connected with the other end of the capacitor C3, the other end of the capacitor C4 and the eighth pin of the chip M1, the third pin of the chip U1 is respectively electrically connected with the other end of the capacitor C1 and the other end of the capacitor C2, and the other ends of the chip U1, the capacitor C1 and the capacitor C2 are all connected with a 5V power supply.
Further, the second voltage reduction circuit comprises a resistor R3, a resistor R4 and a field effect transistor Q2, a source electrode of the field effect transistor Q2 is electrically connected with one end of the resistor R4 and a fifteenth pin of the chip M1, a drain electrode of the field effect transistor Q2 is electrically connected with one end of the resistor R3, a gate electrode of the field effect transistor Q2 is electrically connected with the other end of the resistor R4, and the other end of the resistor R3 is connected with a 5V power supply.
Further, the third voltage reduction circuit comprises a resistor R1, a resistor R2 and a field effect transistor Q1, wherein a source electrode of the field effect transistor Q1 is electrically connected with one end of the resistor R2 and a sixteenth pin of the chip M1, a drain electrode of the field effect transistor Q1 is electrically connected with one end of the resistor R1, a grid electrode of the field effect transistor Q1 is electrically connected with the other end of the resistor R2, and the other end of the resistor R1 is connected with a 5V power supply.
Further, the power signal module includes a serial port circuit and a level conversion circuit, the serial port circuit includes connector CN2 and diode D1, the level conversion circuit includes resistor R6, resistor R8, resistor R9, resistor R12, resistor R13, resistor R14 and chip U11, the model of chip U11 is SP485, the first pin of chip U11 is electrically connected with one end of resistor R9, the other end of resistor R9 is electrically connected with the main control module, the second pin of chip U11 is electrically connected with the third pin of chip U11 and one end of resistor R8 respectively, the other end of resistor R8 is electrically connected with the main control module, the fourth pin of chip U11 is electrically connected with the main control module through resistor R6, the fifth pin of chip U11 is grounded, the sixth pin of chip U11 is electrically connected with the second pin of connector CN2 and one end of resistor R12 respectively, the seventh pin of chip U11 is electrically connected with the first pin of CN2 and one end of resistor R13 respectively, the eighth pin of chip U11 is electrically connected with the second pin of connector CN2 and one end of resistor R12, the other end of the resistor R14 is electrically connected with the anode of the ground of the diode R1, the other end of the diode R14 is electrically connected with the anode of the ground, the anode of the connector CN2 and the resistor R14, the anode of the diode R1 is electrically connected with the diode D1.
The beneficial effects of the utility model reside in that:
the power signal module provides 5V voltage, step down 5V voltage through first step-down circuit and change 3.3V and give chip M1 power supply, host system is connected with chip M1's fifteenth pin and sixteenth pin electricity respectively, be used for receiving or sending chip M1's operating signal respectively, chip M1's fifteenth pin is connected with the transmitting terminal electricity of the communication equipment of peripheral hardware through second step-down circuit, chip M1's sixteenth pin passes through third step-down circuit and the communication equipment's of peripheral hardware receiving terminal, in order to upload chip M1's data to cell-phone or other remote communication terminal in order to communicate.
Drawings
Fig. 1 is a block diagram showing the connection of modules of an electrical control system of a 86 control box according to the present invention;
fig. 2 is a schematic circuit diagram of a WiFi module of an electrical control system of a 86 control box according to the present invention;
fig. 3 is a schematic circuit diagram of a serial circuit of an electric control system of an 86 control box according to the present invention;
fig. 4 is a schematic circuit diagram of a serial port circuit of an electric control system of a 86 control box according to the present invention;
fig. 5 is a schematic circuit diagram of a level shift circuit of an electrical control system of a 86 control box according to the present invention;
fig. 6 is a schematic circuit diagram of a voltage conversion circuit of an electric control system of a 86 control box according to the present invention;
fig. 7 is a schematic circuit diagram of a beautiful sound module of an electric control system of a 86 control box according to the present invention;
fig. 8 is a schematic circuit diagram of a nixie tube circuit of an electric control system of an 86 control box according to the present invention;
fig. 9 is a schematic circuit diagram of a screen interface circuit of an electronic control system of a 86 control box according to the present invention;
description of reference numerals:
1. a main control module; 2. a WiFi module; 201. a first voltage-reducing circuit; 202. a second voltage-reducing circuit; 203. a third voltage-reducing circuit; 3. a power signal module; 4. a display panel; 5. a display screen; 6. and a sound beautifying module.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the technical solution provided by the present invention is:
an electric control system of a 86 control box comprises a main control module, a WiFi module and a power signal module which are arranged on the 86 control box, wherein the main control module is respectively and electrically connected with the WiFi module and the power signal module;
the WiFi module comprises a first voltage reduction circuit, a second voltage reduction circuit, a third voltage reduction circuit and a chip M1, the model of the chip M1 is BC206, an eighth pin of the chip M1 is electrically connected with the first voltage reduction circuit, a fifteenth pin of the chip M1 is electrically connected with the main control module, a fifteenth pin of the chip M1 is electrically connected with a sending end of a peripheral communication device through the second voltage reduction circuit, a sixteenth pin of the chip M1 is electrically connected with the main control module, and a sixteenth pin of the chip M1 is electrically connected with a receiving end of the peripheral communication device through the third voltage reduction circuit.
From the above description, the beneficial effects of the utility model reside in that:
the power signal module provides 5V voltage, change 5V voltage step-down for the chip M1 power supply through first buck circuit 3.3V, host system is connected with chip M1's fifteenth pin and sixteenth pin electricity respectively, be used for receiving or sending chip M1's operating signal respectively, chip M1's fifteenth pin is connected with the transmitting terminal electricity of the communication equipment of peripheral hardware through second buck circuit, chip M1's sixteenth pin passes through third buck circuit and the communication equipment's of peripheral hardware receiving terminal, in order to upload chip M1's data to cell-phone or other remote communication terminal in order to communicate.
Further, the first voltage reduction circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a chip U1, the model of the chip U1 is LM1117, the first pin of the chip U1 is respectively electrically connected with one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4, the first pin of the chip U1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 are all grounded, the second pin of the chip U1 is respectively electrically connected with the other end of the capacitor C3, the other end of the capacitor C4 and the eighth pin of the chip M1, the third pin of the chip U1 is respectively electrically connected with the other end of the capacitor C1 and the other end of the capacitor C2, and the third pin of the chip U1, the other end of the capacitor C1 and the other end of the capacitor C2 are all connected with a 5V power supply.
As can be known from the above description, the 5V power supply supplies power to the chip U1, the capacitor C1 and the capacitor C2 play a role in filtering, and the voltage is reduced to 3.3V voltage to supply power to the chip M1; wherein the capacitor C3 and the capacitor C4 also play a role of filtering.
Further, the second voltage reduction circuit comprises a resistor R3, a resistor R4 and a field effect transistor Q2, a source electrode of the field effect transistor Q2 is electrically connected with one end of the resistor R4 and a fifteenth pin of the chip M1, a drain electrode of the field effect transistor Q2 is electrically connected with one end of the resistor R3, a gate electrode of the field effect transistor Q2 is electrically connected with the other end of the resistor R4, and the other end of the resistor R3 is connected with a 5V power supply.
From the above description, the second voltage-reducing circuit composed of the resistor R3, the resistor R4 and the fet Q2 converts 5V supplied from the power signal module into 3.3V.
Further, the third voltage reduction circuit comprises a resistor R1, a resistor R2 and a field effect transistor Q1, wherein a source electrode of the field effect transistor Q1 is electrically connected with one end of the resistor R2 and a sixteenth pin of the chip M1, a drain electrode of the field effect transistor Q1 is electrically connected with one end of the resistor R1, a grid electrode of the field effect transistor Q1 is electrically connected with the other end of the resistor R2, and the other end of the resistor R1 is connected with a 5V power supply.
As can be seen from the above description, the third voltage-reducing circuit, which is composed of the resistor R1, the resistor R2 and the field-effect transistor Q1, converts 5V provided by the power signal module into 3.3V.
Further, the power signal module comprises a serial port circuit and a level conversion circuit, the serial port circuit comprises a connector CN2 and a diode D1, the level conversion circuit comprises a resistor R6, a resistor R8, a resistor R9, a resistor R12, a resistor R13, a resistor R14 and a chip U11, the model of the chip U11 is SP485, a first pin of the chip U11 is electrically connected with one end of the resistor R9, the other end of the resistor R9 is electrically connected with the main control module, a second pin of the chip U11 is respectively electrically connected with a third pin of the chip U11 and one end of the resistor R8, the other end of the resistor R8 is electrically connected with the main control module, a fourth pin of the chip U11 is electrically connected with the main control module through the resistor R6, the fifth pin of the chip U11 is grounded, the sixth pin of the chip U11 is electrically connected with the second pin of the connector CN2 and one end of the resistor R12 respectively, the seventh pin of the chip U11 is electrically connected with the first pin of the connector CN2 and one end of the resistor R13 respectively, the eighth pin of the chip U11 is electrically connected with one end of the resistor R14, the other end of the resistor R12 and the other end of the resistor R14 are connected with a 5V power supply respectively, the other end of the resistor R13 is grounded, the third pin of the connector CN2 is grounded, the fourth pin of the connector CN2 is electrically connected with the anode of the diode D1, and the cathode of the diode D1 is connected with a 12V power supply.
From the above description, the diode D1 functions to prevent the DC12V from being reversely connected; when the second pin or the third pin of the chip U11 is at a low level, the transmission is prohibited, the reception is valid, and when the second pin or the third pin of the chip U11 is at a high level, the transmission is valid, and the reception is cut off, the resistor R6, the resistor R8, the resistor R9, the resistor R12, the resistor R13, and the resistor R14 play a role in limiting current, so that the chip U11 is prevented from being directly broken down due to an excessively large current, and the capacitor C2 plays a role in filtering.
Referring to fig. 1 to 9, a first embodiment of the present invention is:
referring to fig. 1, an electric control system of an 86 control box comprises a main control module 1, a WiFi module 2 and a power signal module 3 which are arranged on the 86 control box, wherein the main control module 1 is electrically connected with the WiFi module 2 and the power signal module 3 respectively, and the WiFi module 2 is electrically connected with the power signal module 3;
referring to fig. 2, the WiFi module 2 includes a first voltage dropping circuit 201, a second voltage dropping circuit 202, a third voltage dropping circuit 203 and a chip M1, the model of the chip M1 is BC206, an eighth pin of the chip M1 is electrically connected to the first voltage dropping circuit 201, a fifteenth pin of the chip M1 is electrically connected to the main control module 1, a fifteenth pin of the chip M1 is electrically connected to a transmitting terminal of the peripheral communication device through the second voltage dropping circuit 202, a sixteenth pin of the chip M1 is electrically connected to the main control module 1, and a sixteenth pin of the chip M1 is electrically connected to a receiving terminal of the peripheral communication device through the third voltage dropping circuit 203.
Referring to fig. 2, the first voltage-reducing circuit 201 includes a capacitor C1 (with a capacitance of 0.01 μ F), a capacitor C2 (with a capacitance of 10 μ F), a capacitor C3 (with a capacitance of 10 μ F), a capacitor C4 (with a capacitance of 10 μ F) and a chip U1, the model of the chip U1 is LM1117, the first pin of the chip U1 is electrically connected to one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4, respectively, and the first pin of the chip U1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 are all grounded, the second pin of the chip U1 is electrically connected to the other end of the capacitor C3, the other end of the capacitor C4 and the eighth pin of the chip M1, the third pin of the chip U1 is electrically connected to the other end of the capacitor C1 and the other end of the capacitor C2, respectively, and the third pin of the capacitor C1, the other end of the capacitor C2 are all connected to a 5V power supply.
Referring to fig. 2, the second voltage-reducing circuit 202 includes a resistor R3 (with a resistance of 4.7k Ω), a resistor R4 (with a resistance of 4.7k Ω), and a field-effect transistor Q2 (with an N-type MOS transistor), where a source of the field-effect transistor Q2 is electrically connected to one end of the resistor R4 and a fifteenth pin of the chip M1, a drain of the field-effect transistor Q2 is electrically connected to one end of the resistor R3, a gate of the field-effect transistor Q2 is electrically connected to the other end of the resistor R4, and the other end of the resistor R3 is connected to a 5V power supply.
Referring to fig. 2, the third voltage-reducing circuit 203 includes a resistor R1 (with a resistance of 4.7k Ω), a resistor R2 (with a resistance of 4.7k Ω), and a field-effect transistor Q1 (with an N-type MOS transistor), where a source of the field-effect transistor Q1 is electrically connected to one end of the resistor R2 and a sixteenth pin of the chip M1, a drain of the field-effect transistor Q1 is electrically connected to one end of the resistor R1, a gate of the field-effect transistor Q1 is electrically connected to the other end of the resistor R2, and the other end of the resistor R1 is connected to a 5V power supply.
Referring to fig. 3 and 4, the power signal module 3 includes a serial port circuit and a level shift circuit, the serial port circuit includes a connector CN2 and a diode D1 (model: MMBD4148 CC), the level shift circuit includes a resistor R6, a resistor R8, a resistor R9, a resistor R12, a resistor R13, a resistor R14 and a chip U11, the model of the chip U11 is SP485, a first pin of the chip U11 is electrically connected to one end of the resistor R9, the other end of the resistor R9 is electrically connected to the main control module 1, a second pin of the chip U11 is electrically connected to a third pin of the chip U11 and one end of the resistor R8, respectively, the other end of the resistor R8 is electrically connected to the main control module 1, the fourth pin of the chip U11 is electrically connected with the main control module 1 through a resistor R6, the fifth pin of the chip U11 is grounded, the sixth pin of the chip U11 is electrically connected with the second pin of the connector CN2 and one end of a resistor R12 respectively, the seventh pin of the chip U11 is electrically connected with the first pin of the connector CN2 and one end of a resistor R13 respectively, the eighth pin of the chip U11 is electrically connected with one end of a resistor R14, the other end of the resistor R12 and the other end of the resistor R14 are connected with a 5V power supply respectively, the other end of the resistor R13 is grounded, the third pin of the connector CN2 is grounded, the fourth pin of the connector CN2 is electrically connected with the anode of the diode D1, and the cathode of the diode D1 is connected with a 12V power supply. The diode D1 is used for preventing the positive and negative connection of DC12V from being reversed; when the second pin or the third pin of the chip U11 is at a low level, the transmission is prohibited, the reception is valid, and when the second pin or the third pin of the chip U11 is at a high level, the transmission is valid, the reception is stopped, the resistor R6, the resistor R8, the resistor R9, the resistor R12, the resistor R13, and the resistor R14 play a role in limiting current, so that the chip U11 is prevented from being directly broken down due to an excessive current, and the capacitor C2 plays a role in filtering.
The power signal module 3 further comprises a voltage conversion circuit, which comprises a resistor R15 (with a resistance value of75k Ω), a resistor R17 (10 k Ω), a resistor R18 (200 k Ω), a resistor R16 (100 k Ω), a capacitor C3 (1 nF), a capacitor C6 (100 nF), a capacitor C4 (100 nF), a capacitor C5 (0.01 μ F), an electrolytic capacitor EC3 (100 μ F), an electrolytic capacitor EC4 (220 μ F), an inductor L1 (6.8 μ H), and a chip U2 (model SY 8303), to which specific connections between the components are shown in fig. 5. The chip U2 is a DC-DC converter chip, +12V voltage is input, +5V voltage is output, when +12V is input, alternating current is filtered through a capacitor C6, electrolytic capacitor EC3 filters direct current to supply power to the chip U2, an MOS tube is integrated in the chip U2, when the chip U2 is closed, a power supply supplies power to a load through an inductor L1, electric energy is stored in the inductor L1 and an output electrolytic capacitor EC4, due to self-inductance of the inductor L1, when the MOS tube is closed, current is increased slowly, namely output cannot reach the voltage value of the power supply immediately, after a certain time, the MOS tube is disconnected, and due to self-inductance of the inductor L1, current in a holding circuit is unchanged, namely follow current from left to right. The current flows through the load, returns from ground, flows to the anode of the chip U2 integrated schottky diode, passes through the left end of the diode return inductor L1, and forms a loop. The FB pin is an output feedback pin, and the output voltage Vout =0.6 (1 + r15/R17) =0.6 (1 + 75/10) =5.1V; FS pin is an on-frequency pin, and the frequency Fs = (10) 5 /R18)KHz＝(10 5 /200) KHz =500KHz; the EN pin is used for enabling control, the EN pin is pulled up to be opened and connected to +12V, and the resistor R16 is a current-limiting resistor; the BS pin is decoupled from the capacitor C4.
The main control module 1 includes a chip U3 (model SC95F 8616), a capacitor C7 (capacitance value 0.01 μ F), an electrolytic capacitor EC5 (capacitance value 220 μ F), a resistor R24 (resistance value 10k Ω), and a key S1, and the specific connection relationship between the components is as shown in fig. 6; the power signal module 3 provides +5V to supply power to the chip U3, the capacitor C7 plays a role in filtering alternating current, and the electrolytic capacitor EC5 plays a role in filtering direct current.
The display panel 4 is respectively electrically connected with the display panel 4, the WiFi module 2 and the main control module 1, the beauty module 6 is electrically connected with the main control module 1, the beauty module 6 is used for making interface operation sound, the beauty module 6 comprises a resistor R36 (with a resistance value of 100 Ω), a resistor R38 (with a resistance value of 1k Ω), a resistor R34 (with a resistance value of 10k Ω), a triode Q2 (with a model of SS 8550), a resistor R35 (with a resistance value of 1k Ω), a resistor R42 (with a resistance value of 220 Ω), a resistor R40 (with a resistance value of 100 Ω), an electrolytic capacitor EC9 (with a capacitance value of 220 μ F), a triode Q5 (with a model of SS 8050), a triode Q3 (with a model of SS 8050), a resistor R37 (with a resistance value of 10k Ω), a resistor R46 (with a resistance value of 1 k), a capacitor C10 (with a capacitance value of 100 pF) and a buzzer BUZ1, and specific connection relations among the components are referred to fig. 7; when BUZSW end and BUZPWM end input high level, triode Q3 and triode Q2 switch on, for buzzer BUZ1 power supply, triode Q5 switches on ground simultaneously, buzzer BUZ1 work can sound, when BUZSW end input low level, when BUZPWM end input high level, triode Q3 and triode Q2 cut off, discharge through electrolytic capacitor EC9 and supply power for buzzer BUZ1, triode Q5 switches on ground simultaneously, buzzer BUZ1 work can sound, when BUZPW end input low level, triode Q5 cuts off, buzzer BUZ1 is out of work.
Referring to fig. 8, a nixie tube circuit is disposed on the display screen 4, and the nixie tube circuit includes a resistor R131 (having a resistance value of 10k Ω), a resistor R141 (having a resistance value of 100 Ω), a resistor R151 (having a resistance value of 100 Ω), a resistor R16 (having a resistance value of 10k Ω), a capacitor C7 (having a capacitance value of 0.01 μ F), a capacitor C17 (having a capacitance value of 10 μ F), and a connector LEM, a first pin of the connector LEM is electrically connected to one end of the resistor R141, the other end of the resistor R141 is electrically connected to one end of the resistor R131 and the main control module 1, the other end of the resistor R131 is connected to a 5V power supply, a second pin of the connector LEM is electrically connected to one end of the resistor R151, the other end of the resistor R151 is electrically connected to one end of the main control module 1, the other end of the resistor R16 is connected to the 5V power supply, a third pin of the capacitor LEM is electrically connected to one end of the capacitor C7 and one end of the capacitor C17, and a third pin of the connector, one end of the capacitor C7 and another end of the capacitor C17 are all grounded, and the fourth pin of the capacitor connector are electrically connected to the first pin of the capacitor C17. Power signal module 3 provides 5V voltage and supplies power for the charactron circuit, and electric capacity C7 and electric capacity C17 play the filtering action, and main control module 1 transmits SCLK and DIN data for through SCLK and DIN end transmission for the charactron circuit, and resistance R13 and resistance R16 play the pull-up effect, and resistance R141 and resistance R15 play the current-limiting effect.
The connection circuit between the display panel 4 and the main control module 1 includes a screen interface circuit, the screen interface circuit includes a resistor R19 (with a resistance value of 100 Ω), a resistor R20 (with a resistance value of 100 Ω), a resistor R21 (with a resistance value of 100 Ω), a resistor R22 (with a resistance value of 100 Ω), a resistor R25 (with a resistance value of 100 Ω), a resistor R26 (with a resistance value of 10k Ω), a resistor R27 (with a resistance value of 100 Ω), a resistor R28 (with a resistance value of 100 Ω), a resistor R29 (with a resistance value of 100 Ω), a resistor R30 (with a resistance value of 100 Ω), a resistor R33 (with a resistance value of 10k Ω), a capacitor C9 (with a capacitance value of 0.01 μ F), a capacitor C18 (with a capacitance value of 10 μ F), and a connector CN4, and the specific connection relationship between the components please refer to fig. 9; the power signal module 3 provides +5V voltage to supply power to the screen interface circuit, the capacitor C9 and the capacitor C18 play a role in filtering, and the resistor R19, the resistor R20, the resistor R21, the resistor R22, the resistor R25, the resistor R26, the resistor R27, the resistor R28, the resistor R29, the resistor R30 and the resistor R33 play a role in limiting current.
To sum up, the utility model provides a pair of 86 electrical system of control box, the power signal module provides 5V voltage, step down 5V voltage through first step-down circuit and change 3.3V and give chip M1 power supply, host system is connected with chip M1's fifteenth pin and sixteenth pin electricity respectively, be used for receiving or sending chip M1's operating signal respectively, chip M1's fifteenth pin is connected through second step-down circuit and the communication equipment's of peripheral hardware sending terminal electricity, chip M1's sixteenth pin passes through third step-down circuit and the communication equipment's of peripheral hardware receiving terminal, in order to upload chip M1's data to cell-phone or other remote communication end in order to communicate.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. The electric control system of the 86 control box is characterized by comprising a main control module, a WiFi module and a power signal module which are arranged on the 86 control box, wherein the main control module is respectively and electrically connected with the WiFi module and the power signal module;
the WiFi module comprises a first voltage reduction circuit, a second voltage reduction circuit, a third voltage reduction circuit and a chip M1, the model of the chip M1 is BC206, an eighth pin of the chip M1 is electrically connected with the first voltage reduction circuit, a fifteenth pin of the chip M1 is electrically connected with the main control module, a fifteenth pin of the chip M1 is electrically connected with a sending end of a peripheral communication device through the second voltage reduction circuit, a sixteenth pin of the chip M1 is electrically connected with the main control module, and a sixteenth pin of the chip M1 is electrically connected with a receiving end of the peripheral communication device through the third voltage reduction circuit.
2. The electric control system of the 86 control box according to claim 1, wherein the first voltage reduction circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a chip U1, the chip U1 is of the type LM1117, the first pin of the chip U1 is electrically connected with one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 respectively, and the first pin of the chip U1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 are all grounded, the second pin of the chip U1 is electrically connected with the other end of the capacitor C3, the other end of the capacitor C4 and the eighth pin of the chip M1 respectively, the third pin of the chip U1 is electrically connected with the other end of the capacitor C1 and the other end of the capacitor C2 respectively, and the third pin of the chip U1, the other end of the capacitor C1 and the other end of the capacitor C2 are all connected with a 5V power supply.
3. The electric control system of the 86 control box according to claim 1, wherein the second voltage-reducing circuit comprises a resistor R3, a resistor R4 and a field-effect transistor Q2, a source of the field-effect transistor Q2 is electrically connected to one end of the resistor R4 and a fifteenth pin of the chip M1, respectively, a drain of the field-effect transistor Q2 is electrically connected to one end of the resistor R3, a gate of the field-effect transistor Q2 is electrically connected to the other end of the resistor R4, and the other end of the resistor R3 is connected to a 5V power supply.
4. The electrical control system of the 86 control box according to claim 1, wherein the third voltage reduction circuit comprises a resistor R1, a resistor R2 and a field effect transistor Q1, a source electrode of the field effect transistor Q1 is electrically connected to one end of the resistor R2 and a sixteenth pin of the chip M1, a drain electrode of the field effect transistor Q1 is electrically connected to one end of the resistor R1, a gate electrode of the field effect transistor Q1 is electrically connected to the other end of the resistor R2, and the other end of the resistor R1 is connected to a 5V power supply.
5. The electrical control system according to claim 1, wherein the power signal module includes a serial port circuit and a level shift circuit, the serial port circuit includes a connector CN2 and a diode D1, the level shift circuit includes a resistor R6, a resistor R8, a resistor R9, a resistor R12, a resistor R13, a resistor R14, and a chip U11, the model of the chip U11 is SP485, the first pin of the chip U11 is electrically connected to one end of the resistor R9, the other end of the resistor R9 is electrically connected to the main control module, the second pin of the chip U11 is electrically connected to the third pin of the chip U11 and one end of the resistor R8, the other end of the resistor R8 is electrically connected to the main control module, the fourth pin of the chip U11 is electrically connected to the main control module through the resistor R6, the fifth pin of the chip U11 is grounded, the sixth pin of the chip U11 is electrically connected to the second pin of the connector CN2 and one end of the resistor R12, the seventh pin of the chip U11 is electrically connected to the first pin of the CN2 and one end of the resistor R12, the other end of the connector CN2 is electrically connected to the ground, the other end of the resistor R1 is electrically connected to the anode of the diode V1, and the resistor R14 of the diode R14 are electrically connected to the cathode of the anode of the connector CN2, and the anode of the resistor R1 of the diode c 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222222771.8U CN218471435U (en) | 2022-08-23 | 2022-08-23 | Electric control system of 86 control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222222771.8U CN218471435U (en) | 2022-08-23 | 2022-08-23 | Electric control system of 86 control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218471435U true CN218471435U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222222771.8U Active CN218471435U (en) | 2022-08-23 | 2022-08-23 | Electric control system of 86 control box |
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| Country | Link |
|---|---|
| CN (1) | CN218471435U (en) |
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- 2022-08-23 CN CN202222222771.8U patent/CN218471435U/en active Active
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