CN220962363U - Data processing device with protection unit - Google Patents
Data processing device with protection unit Download PDFInfo
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- CN220962363U CN220962363U CN202323070530.7U CN202323070530U CN220962363U CN 220962363 U CN220962363 U CN 220962363U CN 202323070530 U CN202323070530 U CN 202323070530U CN 220962363 U CN220962363 U CN 220962363U
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- 239000003990 capacitor Substances 0.000 claims description 19
- 230000001960 triggered effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000002093 peripheral effect Effects 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model has data processing unit of the protective unit, adopt the current sensor to detect the micro-control unit, namely the current of the power supply line of the single-chip microcomputer, after converting into the voltage, divide into two ways after filtering, one way gets into the overvoltage detection circuit, the voltage is turned on through the diode D1, trigger the thyristor V1 to turn on, the coil of the relay K1 gets electricity, the normally open contact K1-2 is closed, the normally closed contact K1-1 is opened, another end gets into the output voltage of the transimpedance amplifier and adds to the adjustable end of the potentiometer RP1, realize the voltage limiting and enters the micro-control unit, regulate the clock frequency of the micro-control unit, another way gets into the normal pressure detection circuit, the voltage is turned on through the diode D4, trigger the triode Q2 to turn on, trigger the thyristor V2 to turn on, and when the normally closed contact K1-2 is closed, the peripheral task amount gets into the micro-control unit, the clock frequency is regulated by the micro-control unit, thus, in the case of overcurrent, limit the main frequency, the peripheral task amount regulates the main frequency, and the normally closed contact K1-2 of the thyristor is connected in series, triggering reliably.
Description
Technical Field
The utility model relates to the technical field of data processing, in particular to a data processing device with a protection unit.
Background
With the advent of the digital age, people use data more and more frequently, and the processing of the data is also important, the data processing is as large as a CPU (central processing unit), such as a cloud computing server, a Tianhe first super computer and the like, and as small as a micro-control unit, such as a singlechip, at present, the micro-control unit sets a main frequency according to the estimated application requirement, the higher the main frequency is, the higher the current consumption is, the faster the processing speed is, the power consumption and the heating value are correspondingly increased, but no current protection is set, the long-time overcurrent work is carried out, the processing speed is affected, and the singlechip is burnt.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the data processing device with the protection unit, and effectively solves the problems that the existing micro control unit is not provided with current protection and works for a long time in an overcurrent way, so that the processing speed is influenced and the singlechip is burnt.
The technical scheme includes that the device comprises a micro-control unit and a current sensor, wherein the current sensor detects working current of the micro-control unit, overcurrent judgment is carried out through a current protection unit, the overcurrent triggers the micro-control unit to limit main frequency adjustment, otherwise, the micro-control unit is triggered to carry out main frequency adjustment according to peripheral task quantity;
The current protection unit comprises a resistor R1, one end of the resistor R1 is connected with a current sensor to detect the working current of the micro control unit, the other end of the resistor R1 receives the working current of the current sensor to detect the micro control unit, the other end of the resistor R1 is respectively connected with one end of a grounding capacitor C7, one end of a resistor R2 and one end of a resistor R3, the other end of the resistor R2 is connected with one end of the capacitor C7, the other end of the capacitor C7 is respectively connected with the positive electrode of a diode D1, one end of a normally-closed contact K1-1 and the left end of a normally-open contact K1-2, the negative electrode of the diode D1 is respectively connected with the other end of the resistor R8, the positive electrode of the diode D2, one end of the resistor R4 and the control electrode of a thyristor V1, the negative electrode of the diode D2 and the anode of the thyristor V1 are connected with a power supply +5V, the cathode of the thyristor V1 is respectively connected with one end of a coil of the relay K1 and the negative electrode of the diode D3, the other end of the coil of the relay K1 and the positive electrode of the diode D3 are connected with the ground, the other end of the resistor R4 is connected with the negative electrode of the photodiode GD1, the positive electrode of the photodiode GD1 is respectively connected with one end of the grounding capacitor C7, one end of the resistor R6 and the pin 1 of the operational amplifier AR1, the pin 2 of the operational amplifier AR1 is respectively connected with the other end of the resistor R6 and one end of the resistor R7, the other end of the resistor R7 is connected with the adjustable end of the potentiometer RP1, the left end of the potentiometer RP1 is connected with the right end of the normally open contact K1-2, the right end of the potentiometer RP1 and the right end of the normally closed contact K1-1 are connected with the micro control unit, the other end of the resistor R3 is connected with one end of the capacitor C7, the other end of the capacitor C7 is respectively connected with one end of the resistor R9 and the negative electrode of the diode D4, the positive electrode of the diode D4 is respectively connected with the negative electrode of the diode D5 and the base electrode of the triode Q2, the positive electrode of the diode D5 is connected with the ground, the collector of the triode Q2 is connected with the ground, the emitter of the triode Q2 is respectively connected with one end of a resistor R5 and the control electrode of a thyristor V2, the other end of the resistor R5 is connected with a power supply +VCC, the anode of the thyristor V2 is connected with the task amount of the micro-control unit, and the cathode of the thyristor V2 is connected with the micro-control unit.
The utility model has simple structure and reliable triggering, adopts a current sensor to detect the current of a micro control unit, namely a singlechip power supply line, is converted into voltage and filtered, then is divided into two paths, one path enters an overvoltage detection circuit, when overcurrent occurs, the voltage is conducted through a diode D1 to trigger a thyristor V1 to conduct, a relay K1 coil is electrified, a normally open contact K1-2 is closed, a normally closed contact K1-1 is opened, the other end enters a transimpedance amplifier to output voltage to be added to an adjustable end of a potentiometer RP1, voltage limiting is realized to enter the micro control unit, the clock frequency of the micro control unit is regulated, the other path enters an atmospheric pressure detection circuit, the voltage is conducted through a diode D4, a trigger triode Q2 is conducted, a trigger thyristor V2 is conducted, and when the normally closed contact K1-2 is closed, the peripheral task quantity enters the micro control unit, and the micro control unit regulates the clock frequency.
Drawings
Fig. 1 is a schematic circuit diagram of the present utility model.
Detailed Description
The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments, which proceeds with reference to the accompanying fig. 1. The following embodiments are described in detail with reference to the drawings.
Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.
The data processing device with the protection unit comprises a micro-control unit and a current sensor, wherein the current sensor detects working current of the micro-control unit, the working current is judged through overcurrent of the current protection unit, the micro-control unit is triggered by the overcurrent to carry out limiting main frequency adjustment, and otherwise, the micro-control unit is triggered to carry out main frequency adjustment according to the peripheral task quantity;
The current protection unit adopts a current sensor to detect the current of a micro control unit, namely a singlechip power supply line, the current is converted into voltage through a resistor R1, a capacitor C7 is filtered and then divided into two paths, one path enters an overvoltage detection circuit, when the current flows, for example, all peripheral equipment of a 5V singlechip is in a working state, the voltage is conducted through a diode D1 and triggers a thyristor V1 to conduct, a relay K1 coil is electrified, a normally open contact K1-2 is closed, a normally closed contact K1-1 is disconnected, the other end enters a transimpedance amplifier output voltage formed by a photodiode GD1, an operational amplifier AR1 and a resistor R6 and is added to an adjustable end of the potentiometer RP1, and the output voltage changes the resistance value of the potentiometer RP1 according to the characteristic that the output voltage drops when the input current of the transimpedance amplifier increases, the voltage signal corresponding to the overcurrent is limited by a potentiometer RP1 (specifically a voltage-controlled resistor) and enters a micro-control unit, the clock frequency of the micro-control unit is regulated, the overcurrent triggers the micro-control unit to regulate the main frequency, the other circuit enters a normal pressure detection circuit, for example, when a 5V singlechip works normally for 36mA and below, the voltage is conducted through a diode D4, a trigger transistor Q2 is conducted, a trigger thyristor V2 is conducted, a normally closed contact K1-2 is closed, the peripheral task quantity enters the micro-control unit, the micro-control unit regulates the clock frequency, therefore, when the overcurrent limits the main frequency, when the peripheral task quantity is normal, the main frequency is regulated, the thyristor V2 is connected with a normally closed contact K1-2 in series, the trigger is reliable, the micro-control unit comprises a resistor R1, one end of the resistor R1 is connected with a current sensor to detect the working current of the micro-control unit, the other end of the resistor R1 receives the working current of the current sensor to detect the micro-control unit, the other end of the resistor R1 is respectively connected with one end of a grounding capacitor C7, one end of a resistor R2 and one end of a resistor R3, the other end of the resistor R2 is connected with one end of the capacitor C7, the other end of the capacitor C7 is respectively connected with the anode of a diode D1, one end of a resistor R8 and the left end of a normally open contact K1-2, the cathode of the diode D1 is respectively connected with the other end of the resistor R8, the anode of the diode D2, one end of a resistor R4 and the control electrode of a thyristor V1, the cathode of the thyristor V1 is connected with a power supply +5V, the cathode of the thyristor V1 is respectively connected with one end of a coil of a relay K1 and the cathode of the diode D3, the other end of the coil of the relay K1 and the anode of the diode D3 are connected with the ground, the other end of the resistor R4 is connected with the cathode of a photodiode GD1, the anode of the photodiode GD1 is respectively connected with one end of the grounding capacitor C7, one end of the resistor R6 and the pin of an operational amplifier AR1, the pin 2 of the operational amplifier AR1 is respectively connected with the other end of a resistor R6 and one end of a resistor R7, the other end of the resistor R7 is connected with the adjustable end of a potentiometer RP1, the left end of the potentiometer RP1 is connected with the right end of a normally open contact K1-2, the right end of the potentiometer RP1 is connected with a micro control unit, the other end of the resistor R3 is connected with one end of a capacitor C7, the other end of the capacitor C7 is respectively connected with one end of a resistor R9 and the cathode of a diode D4, the anode of the diode D4 is respectively connected with the cathode of a diode D5 and the base of a triode Q2, the anode of the diode D5 is connected with the ground, the collector of the triode Q2 is connected with the ground, the emitter of the triode Q2 is respectively connected with one end of the resistor R5 and the control electrode of a thyristor V2, the other end of the resistor R5 is connected with a power supply +VCC, the anode of the thyristor V2 is connected with the micro control unit, the right end of the normally closed contact K1-1 is connected with the micro control unit.
When the micro-control unit is specifically used, the current sensor is used for detecting the current of a micro-control unit, namely a singlechip power supply line, the micro-control unit is converted into voltage and filtered and then is divided into two paths, one path enters an overvoltage detection circuit, when the voltage flows excessively, the voltage is conducted through a diode D1, a trigger thyristor V1 is conducted, a relay K1 coil is electrified, a normally open contact K1-2 is closed, a normally closed contact K1-1 is opened, the other end of the voltage enters a transimpedance amplifier output voltage and is added to an adjustable end of a potentiometer RP1, the output voltage changes the resistance value of the potentiometer RP1 according to the characteristic that the output voltage drops when the input current of the transimpedance amplifier is increased, an overcurrent corresponding voltage signal enters the micro-control unit through the voltage limiting of the potentiometer RP1, the clock frequency of the micro-control unit is adjusted, the other path enters a normal pressure detection circuit, the voltage is conducted through a diode D4, a trigger triode Q2 is conducted, the trigger thyristor V2 is conducted, and when the normally closed contact K1-2 is closed, the task quantity enters the micro-control unit, the micro-control unit adjusts the clock frequency, the frequency is adjusted, and when the clock frequency is adjusted, the normally-closed, the main frequency is regulated, and the clock frequency is regulated when the normally-closed, and the clock frequency is regulated, and the normal frequency is regulated when the trigger thyristor is in the normal frequency is controlled.
While the utility model has been described in connection with certain embodiments, it is not intended that the utility model be limited thereto; for those skilled in the art to which the present utility model pertains and the related art, on the premise of based on the technical scheme of the present utility model, the expansion, the operation method and the data replacement should all fall within the protection scope of the present utility model.
Claims (1)
1. The data processing device with the protection unit comprises a micro-control unit and a current sensor, and is characterized in that the current sensor detects working current of the micro-control unit, the working current is judged through overcurrent of the current protection unit, the overcurrent triggers the micro-control unit to limit main frequency adjustment, and otherwise, the micro-control unit is triggered to carry out main frequency adjustment according to the task quantity;
The current protection unit comprises a resistor R1, one end of the resistor R1 is connected with a current sensor to detect the working current of the micro control unit, the other end of the resistor R1 receives the working current of the current sensor to detect the micro control unit, the other end of the resistor R1 is respectively connected with one end of a grounding capacitor C7, one end of a resistor R2 and one end of a resistor R3, the other end of the resistor R2 is connected with one end of the capacitor C7, the other end of the capacitor C7 is respectively connected with the positive electrode of a diode D1, one end of a normally-closed contact K1-1 and the left end of a normally-open contact K1-2, the negative electrode of the diode D1 is respectively connected with the other end of the resistor R8, the positive electrode of the diode D2, one end of the resistor R4 and the control electrode of a thyristor V1, the negative electrode of the diode D2 and the anode of the thyristor V1 are connected with a power supply +5V, the cathode of the thyristor V1 is respectively connected with one end of a coil of the relay K1 and the negative electrode of the diode D3, the other end of the coil of the relay K1 and the positive electrode of the diode D3 are connected with the ground, the other end of the resistor R4 is connected with the negative electrode of the photodiode GD1, the positive electrode of the photodiode GD1 is respectively connected with one end of the grounding capacitor C7, one end of the resistor R6 and the pin 1 of the operational amplifier AR1, the pin 2 of the operational amplifier AR1 is respectively connected with the other end of the resistor R6 and one end of the resistor R7, the other end of the resistor R7 is connected with the adjustable end of the potentiometer RP1, the left end of the potentiometer RP1 is connected with the right end of the normally open contact K1-2, the right end of the potentiometer RP1 and the right end of the normally closed contact K1-1 are connected with the micro control unit, the other end of the resistor R3 is connected with one end of the capacitor C7, the other end of the capacitor C7 is respectively connected with one end of the resistor R9 and the negative electrode of the diode D4, the positive electrode of the diode D4 is respectively connected with the negative electrode of the diode D5 and the base electrode of the triode Q2, the positive electrode of the diode D5 is connected with the ground, the collector of the triode Q2 is connected with the ground, the emitter of the triode Q2 is respectively connected with one end of a resistor R5 and the control electrode of a thyristor V2, the other end of the resistor R5 is connected with a power supply +VCC, the anode of the thyristor V2 is connected with the task amount of the micro-control unit, and the cathode of the thyristor V2 is connected with the micro-control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323070530.7U CN220962363U (en) | 2023-11-14 | 2023-11-14 | Data processing device with protection unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323070530.7U CN220962363U (en) | 2023-11-14 | 2023-11-14 | Data processing device with protection unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962363U true CN220962363U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323070530.7U Active CN220962363U (en) | 2023-11-14 | 2023-11-14 | Data processing device with protection unit |
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| Country | Link |
|---|---|
| CN (1) | CN220962363U (en) |
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2023
- 2023-11-14 CN CN202323070530.7U patent/CN220962363U/en active Active
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