CN218068686U - Two-wire system input/output module circuit - Google Patents
Two-wire system input/output module circuit Download PDFInfo
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- CN218068686U CN218068686U CN202221376187.1U CN202221376187U CN218068686U CN 218068686 U CN218068686 U CN 218068686U CN 202221376187 U CN202221376187 U CN 202221376187U CN 218068686 U CN218068686 U CN 218068686U
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Abstract
The application discloses a two-wire system input and output module circuit, which comprises a first power input end, a second power input end and a control chip, wherein the first power input end is connected with a power output end through a second diode, the second power input end is connected with the power output end through a third diode, the power output end outputs power voltage after passing through a voltage stabilizing circuit, the power voltage supplies power for the control chip and peripheral circuits thereof, the control chip is a chip with the model of Attinyl 1604-SSNR, the control chip is connected with a code receiving circuit, a code sending circuit and a voltage boosting circuit, the code sending circuit, the code receiving circuit and the voltage boosting circuit are respectively connected with the power output end, and the control chip outputs pulse signals through the voltage boosting circuit to drive external equipment; two-wire communication is adopted, power is provided, an external 24V power supply is not needed to supply power, and a more stable pulse signal is provided to drive external equipment.
Description
Technical Field
The present invention relates to an input/output circuit, and more particularly, to a two-wire input/output module circuit.
Background
The signal transmission module is an input/output device for serial communication or parallel communication connecting a computer system and an external device, and is widely applied to an external expansion interface of a mobile device. At present, the positive and negative electrodes of the signal transmission module access port are not obviously distinguished, and the port can be directly damaged or even an external component can be damaged after a user negligence, reverse connection or short circuit occurs. Users are easy to cause equipment blockage during frequent plugging or bearing, and surge and other phenomena can occur during plugging, so that the safety performance of the equipment is poor; moreover, the output signal is often unstable, which results in poor circuit stability.
SUMMERY OF THE UTILITY MODEL
The technical problem that needs to be solved by the application is to provide a two-wire system input and output module circuit, which adopts two-wire communication and provides power without an additional 24V power supply, and provides a more stable pulse signal to drive external equipment. .
The technical scheme adopted by the application is as follows: the utility model provides a two-wire system input/output module circuit, includes first power input end, second power input end and control chip, first power input end passes through the second diode and is connected with power output end, second power input end pass through the third diode with power output end connects, power output end passes through voltage stabilizing circuit back output power supply voltage, power supply voltage does control chip and peripheral circuit power supply, control chip is the chip that the model is attiy 1604-SSNR, control chip is connected with receives the sign indicating number circuit, sends sign indicating number circuit and boost circuit, send sign indicating number circuit, receive sign indicating number circuit and boost circuit respectively with power output end connects, control chip passes through boost circuit output pulse signal drive external equipment.
The application can be further configured as follows: the boosting circuit comprises a ninth triode, a thirteenth triode, an eleventh triode, a twelfth triode, a thirteenth triode, a twentieth diode and a twenty-first diode, a collector of the ninth triode and a collector of the thirteenth triode are both connected with a cathode of an eighteenth diode, a positive electrode of the eighteenth diode is connected with the power output end, an emitter of the ninth triode is connected with a base of the thirteenth triode, a base of the ninth triode is grounded through a nineteenth voltage stabilizing diode, a base of the twelfth triode is connected with the control chip through a twenty-eighteenth resistor, a base of the twelfth triode is grounded through a twenty-ninth resistor, and an emitter of the twelfth triode is grounded, the collector electrode of the twelfth triode is respectively connected with the base electrode of the eleventh triode and the base electrode of the thirteenth triode, the base electrode of the thirteenth triode is connected with the emitter electrode of the thirteenth triode through a twenty-sixth resistor, the collector electrode of the eleventh triode is grounded, the emitter electrode of the eleventh triode is connected with the emitter electrode of the thirteenth triode, the collector electrode of the thirteenth triode and the emitter electrode of the thirteenth triode are both connected with the anode of the twentieth diode, the cathode of the twentieth diode is connected with the emitter electrode of the eleventh triode through a tenth capacitor, the cathode of the twentieth diode is connected with the anode of the twenty-first diode, and the cathode of the twenty-first diode is grounded through the eleventh capacitor, the twelfth capacitor and the thirty-fifth resistor which are connected in parallel.
The application can be further configured as follows: the signal relay is characterized by further comprising an external control circuit, the external control circuit comprises a signal relay, a thirteenth diode and an eighth triode, the signal relay is in a high frequency d27 model, the first pin and the eighth pin of the signal relay are both connected with the negative electrode of the twenty-first diode, the first pin of the signal relay is connected with the sixteenth pin of the signal relay through a fourteenth diode, the fourth pin and the thirteenth pin of the signal relay are connected through a twelfth switching diode, the sixth pin and the ninth pin of the signal relay are grounded, the eleventh pin of the signal relay is connected with the negative electrode of the thirteenth diode, the positive electrode of the thirteenth diode is connected with the control chip, the sixteenth pin of the signal relay is connected with the collector electrode of the eighth triode, the emitter electrode of the eighth triode is grounded, the base electrode of the eighth triode is grounded through a twelfth resistor, and the base electrode of the eighth triode is connected with the control chip.
The application can be further configured as follows: the power supply circuit comprises a first power field effect tube and a second power field effect tube, the first module circuit comprises a fourth power field effect tube and a thirteenth resistor, the second module circuit comprises a third power field effect tube and an eleventh resistor, the drain of the fourth power field effect tube is connected with the first power supply input end, the grid of the fourth power field effect tube is connected with the anode of the third diode through the thirteenth resistor, the source of the fourth power field effect tube is grounded, the grid of the fourth power field effect tube is grounded through a seventh capacitor and a fourteenth resistor which are connected in parallel, the drain of the third power field effect tube is connected with the second power supply input end, the grid of the third power field effect tube is connected with the anode of the second diode through the eleventh resistor, the source of the third power field effect tube is grounded, and the grid of the third power field effect tube is grounded through a second capacitor and a twelfth resistor which are connected in parallel.
The application can be further configured as follows: the code sending circuit comprises a fifth triode, the base of the fifth triode is connected with the control chip, the base of the fifth triode is grounded through a second resistor, the emitter of the fifth triode is grounded through a first resistor, and the collector of the fifth triode is connected with the power output end.
The application can be further configured as follows: the code receiving circuit comprises a sixth triode and an eighth voltage-stabilizing diode, a collector of the sixth triode is connected with the control chip, the collector of the sixth triode is connected with the power voltage through a third resistor, an emitter of the sixth triode is grounded, a base of the sixth triode is grounded through a fifth resistor, the base of the sixth triode is connected with an anode of the eighth voltage-stabilizing diode through a seventh resistor, and a cathode of the eighth voltage-stabilizing diode is connected with the power output end.
The application can be further configured as follows: the code receiving circuit further comprises a seventh triode, a collector of the seventh triode is connected with the control chip, the collector of the seventh triode is connected with the power supply voltage through a fourth resistor, an emitter of the seventh triode is grounded, a base of the seventh triode is grounded through a sixth resistor, and the base of the seventh triode is connected with the power supply output end through an eighth resistor.
The application can be further configured as follows: the voltage stabilizing circuit comprises a low-voltage linear voltage stabilizer and a seventh diode, wherein the anode of the seventh diode is connected with the power output end, the cathode of the seventh diode is connected with a second pin of the low-voltage linear voltage stabilizer through a seventeenth resistor, the second pin of the low-voltage linear voltage stabilizer is grounded through a first capacitor and a third capacitor which are connected in parallel, the first pin of the low-voltage linear voltage stabilizer is grounded, the third pin of the low-voltage linear voltage stabilizer is grounded through a fourth capacitor and a fifth capacitor which are connected in parallel, the power voltage is output, and the power voltage is connected with the control chip.
The application can be further configured as follows: the monitoring circuit comprises a fifteenth switching diode and a sixteenth diode, one end of the fifteenth switching diode is grounded, the other end of the fifteenth switching diode is connected with the cathode of the sixteenth diode, and the anode of the sixteenth diode is connected with the control chip through a nineteenth resistor.
The beneficial effect of this application is: the two-wire system input is firstly set, so that the input end of the circuit can be randomly connected with the positive pole and the negative pole of a power supply, normal work of electric equipment is further guaranteed, and the electric equipment and the power supply are prevented from being damaged. Secondly, a control chip is arranged and connected with a code receiving circuit, a code sending circuit, a booster circuit and a voltage stabilizing circuit, and the circuits can realize reliable communication and are not interfered with each other, so that the stability of the whole circuit is good; meanwhile, the control chip outputs pulses through the booster circuit to drive external equipment, and the power supply voltage obtained by the whole circuit is more stable and low in power consumption.
Drawings
The present application will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and should not be taken as limiting the scope of the present application. Furthermore, unless specifically stated otherwise, the drawings are schematic and conceptually illustrating the composition or construction of the objects described and may include exaggerated displays, and the drawings are not necessarily drawn to scale.
Fig. 1 is a schematic circuit diagram of the present application.
Detailed Description
The present application will now be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The utility model provides a two-wire system input/output module circuit, including first power input end T1, second power input end T2 and control chip IC1, first power input end T1 is connected with power output end COM + through second diode D2, second power input end T2 is connected with power output end COM + through third diode D3, power output end COM + outputs mains voltage VCC after passing through voltage stabilizing circuit, mains voltage VCC is control chip IC1 and peripheral circuit power supply, control chip IC1 is the chip that the model is attiy 1604-SSNR, control chip IC1 is connected with the receipts code circuit, send code circuit and boost circuit, send code circuit, receive code circuit and boost circuit and be connected with power output end COM + respectively, control chip IC1 passes through boost circuit output pulse signal drive external equipment.
The two-wire system input is firstly set, so that the input end of the circuit can be randomly connected with the positive pole and the negative pole of a power supply, normal work of electric equipment is further guaranteed, and the electric equipment and the power supply are prevented from being damaged. Secondly, a control chip is arranged and connected with a code receiving circuit, a code sending circuit, a booster circuit and a voltage stabilizing circuit, and the circuits can realize reliable communication without mutual interference, so that the stability of the whole circuit is good; meanwhile, the control chip outputs pulses through the booster circuit to drive external equipment, and the power supply voltage obtained by the whole circuit is more stable and low in power consumption.
In a specific embodiment, the boost circuit includes a ninth transistor Q9, a thirteenth transistor Q10, an eleventh transistor Q11, a twelfth transistor Q12, a thirteenth transistor Q13, a twentieth diode D20 and a twenty-first diode D21, wherein the collector of the ninth transistor Q9 and the collector of the thirteenth transistor Q13 are all connected to the cathode of an eighteenth diode D18, the anode of the eighteenth diode D18 is connected to the power output terminal COM +, the emitter of the ninth transistor Q9 is connected to the base of the thirteenth transistor Q13, the base of the ninth transistor Q9 is connected to ground through a nineteenth zener diode D19, the base of the twelfth transistor Q12 is connected to the control chip IC1 through a twenty-eighteenth resistor R28, the base of the twelfth transistor Q12 is connected to ground through a twenty-ninth resistor R29, the emitter of the twelfth transistor Q12 is connected to ground, the collector of the twelfth transistor Q12 is connected to the bases of the eleventh transistor Q11 and thirteenth transistor Q10, the base of the thirteenth transistor Q10 is connected to the base of the thirteenth transistor Q11 through a twenty-eighteenth resistor R26, the emitter of the thirteenth transistor Q13 is connected to ground, the eleventh transistor Q11 is connected to the cathode of the thirteenth transistor Q11, the eleventh transistor Q11 is connected to the collector of the thirteenth diode Q20 and the twenty-eighth transistor Q11, the twenty-th diode D20 is connected to the anode of the thirteenth diode D20, the twenty-second capacitor C20, the twenty-eighth transistor Q11 is connected to the twenty-eighth transistor Q11 in parallel, the twenty-eighth transistor Q11 is connected to the anode of the thirteenth diode D20, the twenty-eighth diode D20 and the twenty-eighth diode D21, the twenty-eighth diode D20 is connected to the twenty-eighth diode D20.
In a specific embodiment, the external control circuit further comprises an external control circuit, the external control circuit comprises a signal relay K1, a thirteenth diode D13 and an eighth triode Q8, the model of the signal relay K1 is HFD27, the first pin and the eighth pin of the signal relay K1 are both connected with the negative electrode of a twenty-first diode D21, the first pin of the signal relay K1 is connected with the sixteenth pin of the signal relay K1 through a fourteenth diode D14, the fourth pin and the thirteenth pin of the signal relay K1 are connected with a twelfth switching diode D12, the sixth pin and the ninth pin of the signal relay K1 are grounded, the eleventh pin of the signal relay K1 is connected with the negative electrode of the thirteenth diode D13, the positive electrode of the thirteenth diode D13 is connected with the control chip IC1, the sixteenth pin of the signal relay K1 is connected with the collector of the eighth triode, the emitter of the eighth triode Q8 is grounded, the base of the eighth triode Q8 is grounded through a twelfth resistor R32, and the base of the eighth triode Q8 is connected with the control chip IC 1.
In a specific embodiment, the power supply further comprises a first module circuit and a second module circuit, the first module circuit comprises a fourth power fet Q4 and a thirteenth resistor R13, the second module circuit comprises a third power fet Q3 and an eleventh resistor R11, a drain of the fourth fet Q4 is connected to the first power input terminal T1, a gate of the fourth fet Q4 is connected to the anode of the third diode D3 through the thirteenth resistor R13, a source of the fourth fet Q4 is grounded, a gate of the fourth fet Q4 is grounded through a seventh capacitor C7 and a fourteenth resistor R14 connected in parallel, a drain of the third fet Q3 is connected to the second power input terminal T2, a gate of the third fet Q3 is connected to the anode of the second diode D2 through the eleventh resistor R11, a source of the third fet Q3 is grounded, and a gate of the third fet Q3 is grounded through a second capacitor C2 and a twelfth resistor R12 connected in parallel.
The third field effect transistor and the fourth field effect transistor both adopt electronic components with the model number of PMV120 ENEA.
In a specific embodiment, the code sending circuit includes a fifth triode Q5, a base of the fifth triode Q5 is connected to the control chip IC1, a base of the fifth triode Q5 is grounded through a second resistor R2, an emitter of the fifth triode Q5 is grounded through a first resistor R1, and a collector of the fifth triode Q5 is connected to the power output terminal COM +.
In a specific embodiment, the code receiving circuit includes a sixth triode Q6 and an eighth zener diode D8, a collector of the sixth triode Q6 is connected to the control chip IC1, a collector of the sixth triode Q6 is connected to the power voltage VCC through a third resistor R3, an emitter of the sixth triode Q6 is grounded, a base of the sixth triode Q6 is grounded through a fifth resistor R5, a base of the sixth triode Q6 is connected to an anode of the eighth zener diode D8 through a seventh resistor R7, and a cathode of the eighth zener diode D8 is connected to the power output terminal COM +.
In a specific embodiment, the code receiving circuit further includes a seventh triode Q7, a collector of the seventh triode Q7 is connected to the control chip IC1, a collector of the seventh triode Q7 is connected to the power supply voltage VCC through a fourth resistor R4, an emitter of the seventh triode Q7 is grounded, a base of the seventh triode Q7 is grounded through a sixth resistor R6, and a base of the seventh triode Q7 is connected to the power supply output terminal COM + through an eighth resistor R8.
In a specific embodiment, the voltage stabilizing circuit includes a low voltage linear regulator U1 and a seventh diode D7, an anode of the seventh diode D7 is connected to the power output terminal COM +, a cathode of the seventh diode D7 is connected to the second pin of the low voltage linear regulator U1 through a seventeenth resistor R17, the second pin of the low voltage linear regulator U1 is grounded through a first capacitor C1 and a third capacitor C3 connected in parallel, the first pin of the low voltage linear regulator U1 is grounded, the third pin of the low voltage linear regulator U1 is grounded through a fourth capacitor C4 and a fifth capacitor C5 connected in parallel, and outputs a power supply voltage VCC, and the power supply voltage VCC is connected to the control chip IC 1.
The model of the low-voltage linear voltage stabilizer is HT7125-1, the low-voltage linear voltage stabilizer has the characteristic of low power consumption, dry node output is realized, and a current loop can be formed inside only by providing a pair of passive contacts.
In a specific embodiment, the device further comprises a monitoring circuit for monitoring the state of the external contact, the monitoring circuit comprises a fifteenth switching diode D15 and a sixteenth diode D16, one end of the fifteenth switching diode D15 is grounded, the other end of the fifteenth switching diode D15 is connected with the negative electrode of the sixteenth diode D16, and the positive electrode of the sixteenth diode D16 is connected with the control chip through a nineteenth resistor.
In a specific embodiment, the light-emitting device further comprises a first light-emitting diode L1 and a second light-emitting diode L2, the first light-emitting diode L1 is connected with the control chip IC1 through an eighteenth resistor R18, and the second light-emitting diode L2 is connected with the control chip IC1 through a twenty-first resistor R21. The first light emitting diode L1 and the second light emitting diode L2 are used as status indicator lamps.
In this application, the second diode, the third diode, the seventh diode, the twentieth triode and the twenty-first triode all adopt components and parts that the model is 1N4148, low price, and the commonality is extremely wide. And the thirteenth diode, the fourteenth diode and the sixteenth diode adopt components with the models of S1M-D.
The fifth triode, the sixth triode, the seventh triode, the eighth triode, the ninth triode, the thirteenth triode, the twelfth triode and the thirteenth triode in the application all adopt electronic components with the models of MMBTA06LT1G, and the eleventh triode adopts electronic components with the models of MMBT 3906.
The present application has been described in detail, and the principles and embodiments of the present application have been described herein using specific examples, which are provided only to help understand the present application and its core concept. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a two-wire system input/output module circuit, its characterized in that includes first power input end, second power input end and control chip, first power input end passes through the second diode and is connected with power output, the second power input end pass through the third diode with power output connects, power output passes through voltage stabilizing circuit back output mains voltage, mains voltage does control chip and peripheral circuit power supply, control chip is the chip that the model is Attiny1604-SSNR, control chip is connected with receives a yard circuit, sends yard circuit and boost circuit, send yard circuit, receive yard circuit and boost circuit respectively with power output end connects, control chip passes through boost circuit output pulse signal drive external equipment.
2. The two-wire input-output module circuit according to claim 1, wherein the boost circuit comprises a ninth transistor, a thirteenth transistor, an eleventh transistor, a twelfth transistor, a thirteenth transistor, a twentieth diode, and a twenty-first diode, the collector of the ninth triode and the collector of the thirteenth triode are both connected with the cathode of an eighteenth diode, the anode of the eighteenth diode is connected with the power output end, the emitter of the ninth triode is connected with the base of the thirteenth triode, the base electrode of the ninth triode is grounded through a nineteenth voltage stabilizing diode, the base electrode of the twelfth triode is connected with the control chip through a twenty-eighth resistor, the base electrode of the twelfth triode is grounded through a twenty-ninth resistor, the emitting electrode of the twelfth triode is grounded, the collector of the twelfth triode is respectively connected with the base of the eleventh triode and the base of the thirteenth triode, the base of the thirteenth polar tube is connected with the emitter of the thirteenth triode through a twenty-sixth resistor, the collector of the eleventh triode is grounded, the emitter of the eleventh triode is connected with the emitter of the thirteenth diode, the collector of the thirteenth polar tube and the emitter of the thirteenth triode are both connected with the anode of the twentieth diode, the cathode of the twentieth diode is connected with the emitter of the eleventh triode through a tenth capacitor, the cathode of the twentieth diode is connected with the anode of the twenty-first diode, and the cathode of the twenty-first diode is grounded through the eleventh capacitor, the twelfth capacitor and the thirty-fifth resistor which are connected in parallel.
3. The two-wire input/output module circuit according to claim 2, further comprising an external control circuit, wherein the external control circuit comprises a signal relay, a thirteenth diode and an eighth transistor, the signal relay is HFD27, the first pin and the eighth pin of the signal relay are both connected to the negative electrode of the twenty-first diode, the first pin of the signal relay is connected to the sixteenth pin of the signal relay through a fourteenth diode, the fourth pin and the thirteenth pin of the signal relay are connected to a twelfth switching diode, the sixth pin and the ninth pin of the signal relay are grounded, the eleventh pin of the signal relay is connected to the negative electrode of the thirteenth diode, the positive electrode of the thirteenth diode is connected to the control chip, the sixteenth pin of the signal relay is connected to the collector of the eighth transistor, the emitter of the eighth transistor is grounded, the base of the eighth transistor is grounded through a twelfth resistor, and the base of the eighth transistor is connected to the control chip.
4. The two-wire input and output module circuit according to claim 3, further comprising a first module circuit and a second module circuit, wherein the first module circuit includes a fourth power fet and a thirteenth resistor, the second module circuit includes a third power fet and an eleventh resistor, a drain of the fourth power fet is connected to the first power input terminal, a gate of the fourth power fet is connected to an anode of the third diode through the thirteenth resistor, a source of the fourth power fet is grounded, a gate of the fourth power fet is grounded through a seventh capacitor and a fourteenth resistor connected in parallel, a drain of the third power fet is connected to the second power input terminal, a gate of the third power fet is connected to an anode of the second diode through the eleventh resistor, a source of the third power fet is grounded, and a gate of the third power fet is grounded through a second capacitor and a twelfth resistor connected in parallel.
5. The two-wire input-output module circuit according to claim 4, wherein the code sending circuit includes a fifth triode, a base of the fifth triode is connected to the control chip, a base of the fifth triode is grounded through a second resistor, an emitter of the fifth triode is grounded through a first resistor, and a collector of the fifth triode is connected to the power output terminal.
6. The two-wire input/output module circuit according to claim 5, wherein the code receiving circuit includes a sixth triode and an eighth zener diode, a collector of the sixth triode is connected to the control chip, a collector of the sixth triode is connected to the power supply voltage through a third resistor, an emitter of the sixth triode is grounded, a base of the sixth triode is grounded through a fifth resistor, a base of the sixth triode is connected to the anode of the eighth zener diode through a seventh resistor, and a cathode of the eighth zener diode is connected to the power output terminal.
7. The two-wire input-output module circuit according to claim 6, wherein the code receiving circuit further includes a seventh transistor, a collector of the seventh transistor is connected to the control chip, a collector of the seventh transistor is connected to the power supply voltage through a fourth resistor, an emitter of the seventh transistor is grounded, a base of the seventh transistor is grounded through a sixth resistor, and a base of the seventh transistor is connected to the power supply output terminal through an eighth resistor.
8. The two-wire input-output module circuit according to claim 7, wherein the voltage stabilizing circuit includes a low voltage linear regulator and a seventh diode, an anode of the seventh diode is connected to the power output terminal, a cathode of the seventh diode is connected to the second pin of the low voltage linear regulator through a seventeenth resistor, the second pin of the low voltage linear regulator is grounded through a first capacitor and a third capacitor connected in parallel, the first pin of the low voltage linear regulator is grounded, the third pin of the low voltage linear regulator is grounded through a fourth capacitor and a fifth capacitor connected in parallel, and outputs the power voltage, and the power voltage is connected to the control chip.
9. The two-wire input and output module circuit according to claim 8, further comprising a monitoring circuit for monitoring the state of the external contact, wherein the monitoring circuit includes a fifteenth switching diode and a sixteenth diode, one end of the fifteenth switching diode is grounded, the other end of the fifteenth switching diode is connected to the cathode of the sixteenth diode, and the anode of the sixteenth diode is connected to the control chip through a nineteenth resistor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221376187.1U CN218068686U (en) | 2022-06-01 | 2022-06-01 | Two-wire system input/output module circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221376187.1U CN218068686U (en) | 2022-06-01 | 2022-06-01 | Two-wire system input/output module circuit |
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| CN218068686U true CN218068686U (en) | 2022-12-16 |
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| CN202221376187.1U Active CN218068686U (en) | 2022-06-01 | 2022-06-01 | Two-wire system input/output module circuit |
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