Power supply circuit detection device for electronic memory disk
By combining the power control module and the sampling module, stable detection and abnormal display of the power supply circuit of the electronic storage disk are achieved, which solves the problem of data loss and equipment damage caused by abnormal voltage in the prior art and improves the safety of the electronic storage disk.
Patent Information
- Application Number
- CN202520587708.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing power supply circuit detection devices for electronic storage disks are prone to data loss and equipment damage when voltage is abnormal, lacking an effective protection mechanism.
It employs a combination of a power control module, first and second output sampling modules, a power supply detection module, a signal self-locking module, and a detection and display module. Through voltage sampling and self-locking signal control, it prevents the electronic storage disk from automatically shutting down and displays abnormalities.
It effectively avoids data loss and equipment damage caused by voltage fluctuations in electronic storage disks, improves security, and displays warnings in abnormal situations.
Smart Images

Figure CN223911417U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic storage disc technical field, concretely is a kind of power supply circuit detection device for electronic storage disc. BACKGROUND
[0002] Electronic storage disc is a kind of equipment using electronic technology to store data, usually adopts flash memory technology. It has the advantages such as fast working speed, high stability, strong confidentiality, and can be frequently switched on and off without damaging, but when the power supply of electronic storage disc fluctuates, it is easy to cause the abnormal work of electronic storage disc, to monitor the power supply state of electronic storage disc at all times, electronic storage disc generally uses power supply circuit detection device, the power supply circuit detection device of electronic storage disc in prior art generally has voltage abnormality determination and abnormal display function, and when voltage is abnormal, electronic storage disc will automatically carry out power-off protection, easy to cause data loss of electronic storage disc, even cause damage to electronic storage disc, therefore there is to be improved. UTILITY MODEL CONTENTS
[0003] The embodiment of the utility model provides a kind of power supply circuit detection device for electronic storage disc, to solve the problem raised in above-mentioned background technique.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A kind of power supply circuit detection device for electronic storage disc, comprising: power control module, first output sampling module, second output sampling module, power supply detection module, signal self-locking module and detection display module;
[0006] Power control module is connected with the signal self-locking module, first output sampling module and second output sampling module, for providing direct current energy and carrying out multi-path voltage regulation processing to direct current energy, output first electric energy and second electric energy, when receiving the first power supply signal output by signal self-locking module, first electric energy is transmitted to first output sampling module, when receiving the second power supply signal output by signal self-locking module, second electric energy is transmitted to second output sampling module;
[0007] First output sampling module is used for being connected with the first power interface of electronic storage disc and carrying out voltage sampling to the electric energy of input first power interface, output first sampling signal, the first electric energy transmitted by power control module is transmitted to the first power interface of connected electronic storage disc;
[0008] Second output sampling module is used for being connected with the second power interface of electronic storage disc and carrying out voltage sampling to the electric energy of input second power interface, output second sampling signal, the second electric energy transmitted by power control module is transmitted to the first power interface of connected electronic storage disc;
[0009] The power supply detection module is connected with the first output sampling module and the second output sampling module, and is configured to set a first voltage threshold and a second voltage threshold, output a first control signal when the first sampling signal is less than the first voltage threshold or greater than the second voltage threshold, set a third voltage threshold and a fourth voltage threshold, and output a second control signal when the second sampling signal is less than the third voltage threshold or greater than the fourth voltage threshold.
[0010] The signal self-locking module is connected with the power supply detection module, and is configured to receive the direct-current electric energy, self-lock the first control signal, and output a first power supply signal, and self-lock the second control signal and output a second power supply signal.
[0011] The detection display module is connected with the power supply detection module, the signal self-locking module and the power supply control module, and is configured to perform voltage stabilization processing on the direct-current electric energy, perform electronic storage disc power supply abnormality display when the first power supply signal or the second power supply signal is received, and perform detection device power supply abnormality display when the first power supply signal and the first control signal are simultaneously received or the second power supply signal and the second control signal are simultaneously received.
[0012] As a further scheme of the utility model: the first output sampling module includes a first output interface, a first resistor and a second resistor; the second output sampling module includes a second output interface, a third resistor and a fourth resistor;
[0013] Preferably, the first output interface is connected with the first end of the first resistor, the second end of the first resistor is connected with the power supply detection module and connected with one end of the fourth resistor and the ground end through the second resistor, the second output port is connected with the first end of the third resistor, and the other end of the fourth resistor is connected with the second end of the third resistor.
[0014] As a further scheme of the utility model: the power supply detection module includes a first comparator, a second comparator, a first threshold device, a second threshold device, a first detection device and a second detection device;
[0015] Preferably, the inverting end of the first comparator is connected with the non-inverting end of the second comparator and the second end of the first resistor, the inverting end of the second comparator is connected with the threshold device, the non-inverting end of the first comparator is connected with the first threshold device, the output end of the first comparator is connected with the output end of the second comparator and the signal self-locking module, and the first end of the first detection device and the first end of the second detection device are both connected with the second end of the third resistor, and the output end of the first detection device is connected with the output end of the second detection device and the detection display module.
[0016] As a further scheme of the utility model: the signal self-locking module includes a first diode, a second diode, a fifth resistor, a first logic chip, a third diode, a fourth diode and a second logic chip;
[0017] Preferably, the anode of the first diode is connected with the output end of the first comparator, the cathode of the first diode is connected with the cathode of the second diode and the A end of the first logic chip, the B end of the first logic chip is connected with the B end of the second logic chip and the first end of the fifth resistor, the second end of the fifth resistor is connected with the power control module, the Y end of the first logic chip is connected with the anode of the second diode and the detection display module, the anode of the fourth diode is connected with the output end of the first detection device, the cathode of the fourth diode is connected with the cathode of the third diode, and the anode of the third diode is connected with the Y end of the second logic chip.
[0018] As a further scheme of the utility model: the power control module includes energy storage device, first capacitor, multi-channel voltage stabilizer, first power tube and second power tube;
[0019] Preferably, the first end of the energy storage device is connected with the second end of the fifth resistor and the input end of the multi-channel voltage stabilizer and is connected with the first end of the energy storage device, the ground end of the multi-channel voltage stabilizer and the ground end through the first capacitor, the first output end and the second output end of the multi-channel voltage stabilizer are connected with the drain of the first power tube and the drain of the second power tube respectively, the source of the first power tube is connected with the first output interface, the source of the second power tube is connected with the second output interface, the gate of the first power tube is connected with the Y end of the first logic chip, and the gate of the second power tube is connected with the Y end of the second logic chip.
[0020] As a further scheme of the utility model: the detection display module includes sixth resistor, first voltage stabilizing tube, seventh resistor, eighth resistor, ninth resistor, tenth resistor, first indicating lamp, second indicating lamp, third indicating lamp, fourth indicating lamp, first switch tube, second switch tube, third switch tube, fourth switch tube, third logic chip and fourth logic chip;
[0021] Preferably, the cathode of the first voltage stabilizing tube is connected to one end of the seventh resistor, one end of the eighth resistor, one end of the ninth resistor and one end of the tenth resistor, and the first end of the energy storage device is connected through the sixth resistor, the anode of the first voltage stabilizing tube is connected to the second end of the energy storage device, the emitter of the first switch tube, the emitter of the second switch tube, the emitter of the third switch tube and the emitter of the fourth switch tube, the collector of the first switch tube, the collector of the second switch tube, the collector of the third switch tube and the collector of the fourth switch tube are respectively connected to the cathode of the first indicator lamp, the cathode of the second indicator lamp, the cathode of the third indicator lamp and the cathode of the fourth indicator lamp, the anode of the first indicator lamp, the anode of the second indicator lamp, the anode of the third indicator lamp and the anode of the fourth indicator lamp are respectively connected to the other end of the seventh resistor, the other end of the eighth resistor, the other end of the ninth resistor and the other end of the tenth resistor, the base of the first switch tube is connected to the Y end of the first logic chip and the A end of the fourth logic chip, the base of the second switch tube is connected to the Y end of the second logic chip and the A end of the third logic chip, the Y end of the third logic chip and the Y end of the fourth logic chip are respectively connected to the base of the third switch tube and the base of the fourth switch tube, and the B end of the third logic chip and the B end of the fourth logic chip are respectively connected to the output end of the second detection device and the output end of the first comparator.
[0022] Compared with the prior art, the power supply circuit detection device for the electronic storage disc has the beneficial effects that: the power supply circuit detection device for the electronic storage disc can sample the voltage of the power supply end of the electronic storage disc through the first output sampling module and the second output sampling module, and detect the voltage fluctuation through the power supply detection module, and when the voltage fluctuation exceeds the safety value, the signal is self-locked through the signal self-locking module, and the power supply control module is controlled to provide power for the power supply end of the electronic storage disc with abnormal voltage, and the electronic storage disc power supply abnormality is displayed through the detection display module, so that data loss and equipment damage caused by automatic power-off protection of the electronic storage disc are avoided, the safety of the electronic storage disc is improved, and when the power supply control module has power supply abnormality, the detection device power supply abnormality is displayed through the detection display module. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the following description of the embodiments of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor.
[0024] Figure 1 A principle block diagram of the power supply circuit detection device for the electronic storage disc provided in the embodiments of the present application is shown.
[0025] Figure 2The utility model provides a circuit diagram of a power supply circuit detection device for an electronic storage disk.
[0026] Figure 3 The utility model provides a connection circuit diagram of a detection display module. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0028] In one embodiment, referring to Figure 1 A power supply circuit detection device for an electronic storage disk comprises a power supply control module 1, a first output sampling module 2, a second output sampling module 3, a power supply detection module 4, a signal self-locking module 5, and a detection display module 6.
[0029] Specifically, the power supply control module 1 is connected with the signal self-locking module 5, the first output sampling module 2, and the second output sampling module 3, is used for providing direct current power and performing multi-path voltage regulation and processing on the direct current power, outputting first power and second power, transmitting the first power to the first output sampling module 2 when receiving a first power supply signal output by the signal self-locking module 5, and transmitting the second power to the second output sampling module 3 when receiving a second power supply signal output by the signal self-locking module 5.
[0030] The first output sampling module 2 is used for connecting with a first power interface of the electronic storage disk and performing voltage sampling on power input into the first power interface, outputting a first sampling signal, and transmitting the first power transmitted by the power supply control module 1 to the connected first power interface of the electronic storage disk.
[0031] The second output sampling module 3 is used for connecting with a second power interface of the electronic storage disk and performing voltage sampling on power input into the second power interface, outputting a second sampling signal, and transmitting the second power transmitted by the power supply control module 1 to the connected first power interface of the electronic storage disk.
[0032] The power supply detection module 4 is connected with the first output sampling module 2 and the second output sampling module 3, is used for setting a first voltage threshold and a second voltage threshold and outputting a first control signal when the first sampling signal is less than the first voltage threshold or greater than the second voltage threshold, setting a third voltage threshold and a fourth voltage threshold and outputting a second control signal when the second sampling signal is less than the third voltage threshold or greater than the fourth voltage threshold.
[0033] The signal self-locking module 5 is connected with the power supply detection module 4, and is used for receiving the direct current power, self-locking the first control signal and outputting the first power supply signal, and self-locking the second control signal and outputting the second power supply signal.
[0034] The detection display module 6 is connected with the power supply detection module 4, the signal self-locking module 5 and the power supply control module 1, and is used for performing the electronic storage disk power supply abnormality display when receiving the first power supply signal or the second power supply signal, and performing the detection device power supply abnormality display when receiving the first power supply signal and the first control signal at the same time or receiving the second power supply signal and the second control signal at the same time.
[0035] In the specific embodiment, the power supply control module 1 can adopt a power supply control circuit composed of an energy storage device, a field effect transistor and a multi-path voltage stabilizer, can provide the direct current power and perform the multi-path voltage stabilization processing and the multi-path transmission control on the direct current power; the first output sampling module 2 can adopt a first output sampling circuit composed of a resistor and an output interface, can perform the voltage division sampling processing on the power supply end of the electronic storage disk; the second output sampling module 3 can adopt a second output sampling circuit composed of a resistor and an output interface, can perform the voltage division sampling processing on the power supply end of the electronic storage disk; the power supply detection module 4 can adopt a power supply detection circuit composed of a comparator, a detection device and a threshold device, can set the first voltage threshold, the second voltage threshold, the third voltage threshold and the fourth voltage threshold, and compare the voltage sizes of the first output sampling module 2 and the first voltage threshold and the second voltage threshold, and compare the voltage sizes of the second output sampling module 3 and the third voltage threshold and the fourth voltage threshold, wherein the first voltage threshold and the second voltage threshold are the minimum safe voltage and the maximum safe voltage of the first power supply interface of the electronic storage disk respectively, and the third voltage threshold and the fourth voltage threshold are the minimum safe voltage and the maximum safe voltage of the second power supply interface of the electronic storage disk respectively; the signal self-locking module 5 can adopt a signal self-locking circuit composed of a logic chip and a diode, can perform the self-locking processing on the input high level state signal; the detection display module 6 can adopt a detection display circuit composed of a resistor, an indicator lamp and a triode, can perform the electronic storage disk power supply abnormality display and the detection device power supply abnormality display.
[0036] In another embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the first output sampling module 2 includes a first output interface, a first resistor R1 and a second resistor R2; the second output sampling module 3 includes a second output interface, a third resistor R3 and a fourth resistor R4;
[0037] Specifically, the first output interface is connected with a first end of the first resistor R1, a second end of the first resistor R1 is connected with the power supply detection module 4 and is connected with one end of the fourth resistor R4 and a ground end through the second resistor R2, the second output port is connected with a first end of the third resistor R3, and the other end of the fourth resistor R4 is connected with a second end of the third resistor R3.
[0038] In specific embodiments, the first resistor R1 and the second resistor R2 are used for voltage division sampling, and the third resistor R3 and the fourth resistor R4 are used for voltage division sampling; the first output interface and the second output interface are respectively connected with a first power supply interface of the electronic storage disk and a second power supply interface of the electronic storage disk.
[0039] Further, the power supply detection module 4 comprises a first comparator A1, a second comparator A2, a first threshold device, a second threshold device, a first detection device and a second detection device.
[0040] Specifically, an inverting end of the first comparator A1 is connected with a non-inverting end of the second comparator A2 and a second end of the first resistor R1, a non-inverting end of the second comparator A2 is connected with the threshold device, a non-inverting end of the first comparator A1 is connected with the first threshold device, an output end of the first comparator A1 is connected with an output end of the second comparator A2 and the signal self-locking module 5, a first end of the first detection device and a first end of the second detection device are both connected with a second end of the third resistor R3, and an output end of the first detection device is connected with an output end of the second detection device and the detection display module 6.
[0041] In specific embodiments, the first comparator A1 and the second comparator A2 can both be selected from an LM358 comparator; the first threshold device and the second threshold device can both be composed of a reference power supply and a resistor, and can provide a first voltage threshold and a second voltage threshold respectively; the first detection device has the same circuit composition structure as the first comparator A1 and the first threshold device, and can set a third voltage threshold; the second detection device has the same circuit composition structure as the second comparator A2 and the second threshold device, and can set a fourth voltage threshold.
[0042] Further, the signal self-locking module 5 comprises a first diode D1, a second diode D2, a fifth resistor R5, a first logic chip J1, a third diode D3, a fourth diode D4 and a second logic chip J2.
[0043] Specifically, the anode of the first diode D1 is connected to the output of the first comparator A1, the cathode of the first diode D1 is connected to the cathode of the second diode D2 and the A terminal of the first logic chip J1, the B terminal of the first logic chip J1 is connected to the B terminal of the second logic chip J2 and the first terminal of the fifth resistor R5, the second terminal of the fifth resistor R5 is connected to the power control module 1, the Y terminal of the first logic chip J1 is connected to the anode of the second diode D2 and the detection display module 6, the anode of the fourth diode D4 is connected to the output of the first detection device, the cathode of the fourth diode D4 is connected to the cathode of the third diode D3, and the anode of the third diode D3 is connected to the Y terminal of the second logic chip J2.
[0044] In specific embodiments, the first logic chip J1 can be selected as an AND gate chip, cooperating with the first diode D1 and the second diode D2 to perform high-level self-locking; the second logic chip J2 can be selected as an AND gate chip, cooperating with the third diode D3 and the fourth diode D4 to perform high-level self-locking.
[0045] Further, the power control module 1 includes an energy storage device, a first capacitor C1, a multi-channel voltage stabilizer, a first power tube Q1 and a second power tube Q2.
[0046] Specifically, the first terminal of the energy storage device is connected to the second terminal of the fifth resistor R5 and the input terminal of the multi-channel voltage stabilizer, and the first terminal of the energy storage device is connected to the ground terminal of the multi-channel voltage stabilizer through the first capacitor C1, the ground terminal of the multi-channel voltage stabilizer and the ground terminal; the first output terminal and the second output terminal of the multi-channel voltage stabilizer are respectively connected to the drain of the first power tube Q1 and the drain of the second power tube Q2; the source of the first power tube Q1 is connected to the first output interface; the source of the second power tube Q2 is connected to the second output interface; the gate of the first power tube Q1 is connected to the Y terminal of the first logic chip J1; and the gate of the second power tube Q2 is connected to the Y terminal of the second logic chip J2.
[0047] In specific embodiments, the energy storage device can be selected as a lithium battery; the multi-channel voltage stabilizer can be composed of two groups of voltage stabilizers in parallel; and the first power tube Q1 and the second power tube Q2 can be selected as N-channel field effect tubes.
[0048] Further, the detection display module 6 includes a sixth resistor R6, a first voltage stabilizing tube VD1, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a first indicator lamp L1, a second indicator lamp L2, a third indicator lamp L3, a fourth indicator lamp L4, a first switch tube V1, a second switch tube V2, a third switch tube V3, a fourth switch tube V4, a third logic chip J3 and a fourth logic chip J4.
[0049] Specifically, the cathode of the first voltage stabilizing tube VD1 is connected to one end of the seventh resistor R7, one end of the eighth resistor R8, one end of the ninth resistor R9 and one end of the tenth resistor R10, and is connected to the first end of the energy storage device through the sixth resistor R6; the anode of the first voltage stabilizing tube VD1 is connected to the second end of the energy storage device, the emitter of the first switch tube V1, the emitter of the second switch tube V2, the emitter of the third switch tube V3 and the emitter of the fourth switch tube V4; the collectors of the first switch tube V1, the second switch tube V2, the third switch tube V3 and the fourth switch tube V4 are respectively connected to the cathodes of the first indicator lamp L1, the second indicator lamp L2, the third indicator lamp L3 and the fourth indicator lamp L4; the anodes of the first indicator lamp L1, the second indicator lamp L2, the third indicator lamp L3 and the fourth indicator lamp L4 are respectively connected to the other end of the seventh resistor R7, the other end of the eighth resistor R8, the other end of the ninth resistor R9 and the other end of the tenth resistor R10; the base of the first switch tube V1 is connected to the Y terminal of the first logic chip J1 and the A terminal of the fourth logic chip J4; the base of the second switch tube V2 is connected to the Y terminal of the second logic chip J2 and the A terminal of the third logic chip J3; the Y terminal of the third logic chip J3 and the Y terminal of the fourth logic chip J4 are respectively connected to the base of the third switch tube V3 and the base of the fourth switch tube V4; the B terminal of the third logic chip J3 and the B terminal of the fourth logic chip J4 are respectively connected to the output terminal of the second detection device and the output terminal of the first comparator A1.
[0050] In specific embodiments, the first indicator lamp L1, the second indicator lamp L2, the third indicator lamp L3 and the fourth indicator lamp L4 can all be LEDs; the third logic chip J3 and the fourth logic chip J4 can both be AND gate chips.
[0051] The power supply circuit detection device for the electronic storage disk in the embodiment is provided with a storage device for providing direct current power, a first capacitor C1 and a multi-channel voltage stabilizer for filtering and multi-channel voltage stabilization and outputting first and second electric energy, a first and a second output interface for connecting with a first power supply interface of the electronic storage disk and a second power supply interface of the electronic storage disk respectively, a first and a second resistor R1 and R2 for sampling the voltage of the electric energy input to the first power supply interface of the electronic storage disk and outputting a first sampling signal, a third and a fourth resistor R3 and R4 for sampling the voltage of the electric energy input to the second power supply interface of the electronic storage disk and outputting a second sampling signal, a first and a second comparator A1 and A2 for cooperating with a first and a second threshold device to compare the voltage of the first sampling signal, and outputting a first control signal when the first sampling signal is less than a first voltage threshold or greater than a second voltage threshold, and outputting a second control signal when the second sampling signal is less than a third voltage threshold or greater than a fourth voltage threshold, the first control signal being self-locked by a first logic chip J1, a first and a second diode D1 and D2 and outputting a first power supply signal, controlling a first power tube Q1 to be turned on so that the first electric energy output by the multi-channel voltage stabilizer is transmitted to the first output interface, and at the same time, a first switch tube V1 is turned on, and a first indicator lamp L1 displays the power supply abnormality of the electronic storage disk, and similarly, the second control signal is self-locked by a second logic chip J2, a third and a fourth diode D3 and D4 and outputting a second power supply signal, controlling a second power tube Q2 to be turned on so that the second electric energy is transmitted to the second output interface, and at the same time, a second switch tube V2 is turned on, and a second indicator lamp L2 displays the power supply abnormality of the electronic storage disk, and when the voltage fluctuation occurs again in the first output interface, a fourth logic chip J4 controls a fourth switch tube V4 to be turned on, and a fourth indicator lamp L4 displays the power supply abnormality of the detection device, and similarly, when the voltage fluctuation occurs again in the second output interface, a third indicator lamp L3 displays the power supply abnormality of the detection device.
[0052] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above-mentioned description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.
[0053] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.
Claims
1. A power supply circuit detection device for electronic storage disk, characterized in that, the power supply circuit detection device for electronic storage disk comprises a power supply control module, a first output sampling module, a second output sampling module, a power supply detection module, a signal self-locking module and a detection display module; the power supply control module is connected with the signal self-locking module, the first output sampling module and the second output sampling module, is used for providing direct current power and performing multi-path voltage stabilization adjustment processing on the direct current power, outputting first power and second power, transmitting the first power to the first output sampling module when receiving the first power supply signal output by the signal self-locking module, and transmitting the second power to the second output sampling module when receiving the second power supply signal output by the signal self-locking module; the first output sampling module is used for connecting with a first power interface of the electronic storage disk and performing voltage sampling on power input into the first power interface, outputting a first sampling signal, and transmitting the first power transmitted by the power supply control module to the connected first power interface of the electronic storage disk; the second output sampling module is used for connecting with a second power interface of the electronic storage disk and performing voltage sampling on power input into the second power interface, outputting a second sampling signal, and transmitting the second power transmitted by the power supply control module to the connected first power interface of the electronic storage disk; the power supply detection module is connected with the first output sampling module and the second output sampling module, is used for setting a first voltage threshold and a second voltage threshold, outputting a first control signal when the first sampling signal is less than the first voltage threshold or greater than the second voltage threshold, setting a third voltage threshold and a fourth voltage threshold, and outputting a second control signal when the second sampling signal is less than the third voltage threshold or greater than the fourth voltage threshold; the signal self-locking module is connected with the power supply detection module, is used for receiving direct current power, self-locking the first control signal and outputting a first power supply signal, and self-locking the second control signal and outputting a second power supply signal; the detection display module is connected with the power supply detection module, the signal self-locking module and the power supply control module, is used for performing voltage stabilization processing on the direct current power, and performing electronic storage disk power supply abnormality display when receiving the first power supply signal or the second power supply signal, and performing detection device power supply abnormality display when simultaneously receiving the first power supply signal and the first control or simultaneously receiving the second power supply signal and the second control signal.
2. A power supply circuit detection apparatus for an electronic storage disc according to claim 1, wherein the first output sampling module comprises a first output interface, a first resistor and a second resistor; and the second output sampling module comprises a second output interface, a third resistor and a fourth resistor; the first output interface is connected with a first end of the first resistor, a second end of the first resistor is connected with the power supply detection module and connected with one end of the fourth resistor and a ground end through the second resistor, a second output port is connected with a first end of the third resistor, and the other end of the fourth resistor is connected with a second end of the third resistor.
3. A power supply circuit detection apparatus for an electronic storage disc according to claim 2, wherein the power supply detection module comprises a first comparator, a second comparator, a first threshold device, a second threshold device, a first detection device and a second detection device; The inverting terminal of the first comparator is connected with the non-inverting terminal of the second comparator and the second terminal of the first resistor, the non-inverting terminal of the second comparator is connected with the first threshold device, the non-inverting terminal of the first comparator is connected with the second threshold device, the output terminal of the first comparator is connected with the output terminal of the second comparator and the signal self-locking module, the first terminal of the first detection device and the first terminal of the second detection device are connected with the second terminal of the third resistor, and the output terminal of the first detection device is connected with the output terminal of the second detection device and the detection display module.
4. A power supply circuit detection apparatus for an electronic storage disc according to claim 3, wherein The signal self-locking module comprises a first diode, a second diode, a fifth resistor, a first logic chip, a third diode, a fourth diode and a second logic chip. The anode of the first diode is connected with the output terminal of the first comparator, the cathode of the first diode is connected with the cathode of the second diode and the A terminal of the first logic chip, the B terminal of the first logic chip is connected with the B terminal of the second logic chip and the first terminal of the fifth resistor, the second terminal of the fifth resistor is connected with the power supply control module, the Y terminal of the first logic chip is connected with the anode of the second diode and the detection display module, the anode of the fourth diode is connected with the output terminal of the first detection device, the cathode of the fourth diode is connected with the cathode of the third diode, and the anode of the third diode is connected with the Y terminal of the second logic chip.
5. A power supply circuit detection apparatus for an electronic storage disc according to claim 4, wherein The power supply control module comprises an energy storage device, a first capacitor, a multi-channel voltage stabilizer, a first power tube and a second power tube. The first terminal of the energy storage device is connected with the second terminal of the fifth resistor and the input terminal of the multi-channel voltage stabilizer, and the first terminal of the energy storage device, the ground terminal of the multi-channel voltage stabilizer and the ground terminal are connected through the first capacitor, the first output terminal and the second output terminal of the multi-channel voltage stabilizer are connected with the drain of the first power tube and the drain of the second power tube respectively, the source of the first power tube is connected with the first output interface, the source of the second power tube is connected with the second output interface, the gate of the first power tube is connected with the Y terminal of the first logic chip, and the gate of the second power tube is connected with the Y terminal of the second logic chip.
6. A power supply circuit detection apparatus for an electronic storage disc according to claim 5, wherein, The detection display module comprises a sixth resistor, a first voltage stabilizing tube, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a first indicator lamp, a second indicator lamp, a third indicator lamp, a fourth indicator lamp, a first switching tube, a second switching tube, a third switching tube, a fourth switching tube, a third logic chip and a fourth logic chip. The cathode of the first voltage stabilizing tube is connected to one end of the seventh resistor, one end of the eighth resistor, one end of the ninth resistor and one end of the tenth resistor, and is connected to the first end of the energy storage device through the sixth resistor; the anode of the first voltage stabilizing tube is connected to the second end of the energy storage device, the emitter of the first switch tube, the emitter of the second switch tube, the emitter of the third switch tube and the emitter of the fourth switch tube; the collectors of the first switch tube, the second switch tube, the third switch tube and the fourth switch tube are respectively connected to the cathodes of the first indicator lamp, the second indicator lamp, the third indicator lamp and the fourth indicator lamp; the anodes of the first indicator lamp, the second indicator lamp, the third indicator lamp and the fourth indicator lamp are respectively connected to the other end of the seventh resistor, the other end of the eighth resistor, the other end of the ninth resistor and the other end of the tenth resistor; the base of the first switch tube is connected to the Y terminal of the first logic chip and the A terminal of the fourth logic chip; the base of the second switch tube is connected to the Y terminal of the second logic chip and the A terminal of the third logic chip; the Y terminals of the third logic chip and the fourth logic chip are respectively connected to the base of the third switch tube and the base of the fourth switch tube; the B terminals of the third logic chip and the fourth logic chip are respectively connected to the output terminal of the second detection device and the output terminal of the first comparator.