Voltage-stabilizing power supply device for earthquake equipment

Abstract

The utility model provides a voltage-stabilizing power supply device for earthquake equipment, and belongs to the technical field of power supply. The earthquake equipment voltage stabilization power supply device comprises a boost module, a reference voltage module, a voltage stabilization module, a pulse module and a boost control module. Wherein the input end of the boosting module is connected with a power supply; the input end of the reference voltage module is connected with the output end of the boost module, and the output end of the reference voltage module is connected with the first input end of the boost control module; the input end of the voltage stabilizing module is connected with the output end of the boosting module, the output end of the voltage stabilizing module is connected with the input end of the pulse module, and the output end of the pulse module is connected with the second input end of the boosting control module; the output end of the boost control module is connected with the control end of the boost module. According to the invention, stable power supply for equipment under various working conditions can be ensured.

Description

Technical Field

[0001] This application relates to the field of equipment power supply technology, and in particular to a voltage stabilizing power supply device for earthquake equipment. Background Technology

[0002] Seismic equipment needs to operate continuously in complex and variable environments, and the stability of its power supply directly affects the accuracy and reliability of monitoring data. In practical applications, the equipment often faces the problem of unstable power supply voltage, such as fluctuations in mains voltage and voltage fluctuations in field power supplies. Unstable voltage can not only lead to a decrease in equipment performance and affect the accuracy of data acquisition, but may even damage internal components, causing equipment failure and thus delaying work.

[0003] The existing power supply equipment is unable to meet the equipment's demand for stable voltage and cannot effectively adjust according to voltage changes.

[0004] Therefore, there is an urgent need to design a device that can achieve stable power supply to ensure stable power supply to equipment under various operating conditions. Utility Model Content

[0005] This application provides a voltage stabilizing power supply device for earthquake equipment to ensure stable power supply to the equipment under various operating conditions.

[0006] In a first aspect, embodiments of this application provide a voltage stabilization power supply device for earthquake equipment, comprising: a boost module, a reference voltage module, a voltage stabilization module, a pulse module, and a boost control module; wherein,

[0007] The input terminal of the boost module is connected to the power supply; the input terminal of the reference voltage module is connected to the output terminal of the boost module, and the output terminal of the reference voltage module is connected to the first input terminal of the boost control module.

[0008] The input terminal of the voltage regulator module is connected to the output terminal of the boost module, the output terminal of the voltage regulator module is connected to the input terminal of the pulse module, and the output terminal of the pulse module is connected to the second input terminal of the boost control module.

[0009] The output terminal of the boost control module is connected to the control terminal of the boost module.

[0010] In one exemplary embodiment of this application, the boost module includes: a power supply U1, capacitors C1, C2, and C3, an inductor L1, a diode D1, and a switching transistor Q1; wherein,

[0011] The first terminal of the power supply U1 is connected to the first terminal of the inductor L1 through the capacitor C1.

[0012] The second terminal of the inductor L1 is connected to the anode of the diode D1 through the capacitor C2;

[0013] The cathode of the diode D1 is connected to the input terminal of the reference voltage module and the input terminal of the voltage regulator module, respectively.

[0014] The second terminal of the power supply U1 is grounded;

[0015] The control terminal of the switching transistor Q1 is connected to the output terminal of the boost control module, the first terminal of the switching transistor Q1 is connected to the anode of the diode D1, and the second terminal of the switching transistor Q1 is grounded.

[0016] In one exemplary embodiment of this application, the reference voltage module includes: resistor R1, resistor R2, and capacitor C4; wherein,

[0017] The first end of the resistor R1 is connected to the output end of the boost module, and the second end of the resistor R1 is connected to the first input end of the boost control module.

[0018] The second end of resistor R1 is grounded through resistor R2.

[0019] In one exemplary embodiment of this application, the voltage regulator module includes: a voltage regulator submodule and a buck submodule; wherein,

[0020] The voltage regulator submodule includes: a voltage regulator chip U2, capacitor C5, capacitor C6, diode D2, resistor R3, resistor R4, and resistor R5; wherein,

[0021] The input terminal of the voltage regulator chip U2 is connected to the output terminal of the boost module; the input terminal of the voltage regulator chip U2 is grounded through the capacitor C5.

[0022] The output terminal of the voltage regulator chip U2 is connected to the cathode of the diode D2, and the anode of the diode D2 is connected to the input terminal of the voltage regulator chip U2.

[0023] The output terminal of the voltage regulator chip U2 is connected to the first terminal of the resistor R3, and the second terminal of the resistor R3 is grounded through the resistor R4;

[0024] The feedback terminal of the voltage regulator chip U2 is connected to the second terminal of the resistor R3;

[0025] The first end of the resistor R3 is connected to the first end of the capacitor C6, and the second end of the capacitor C6 is grounded.

[0026] The first terminal of the capacitor C6 is connected to the first terminal of the resistor R5, and the second terminal of the resistor R5 is grounded.

[0027] The first end of the resistor R5 is connected to the input end of the step-down submodule.

[0028] In one exemplary embodiment of this application, the step-down submodule includes: resistor R6 and resistor R7; wherein,

[0029] The first end of resistor R6 is connected to the first end of resistor R5, and the second end of resistor R6 is grounded through resistor R7;

[0030] The second end of the resistor R6 is connected to the input end of the pulse module.

[0031] In one exemplary embodiment of this application, the pulse module includes: a second operational amplifier LM2, a third operational amplifier LM3, a fourth operational amplifier LM4, resistors R8, R9, and R10, and capacitor C7; wherein,

[0032] The non-inverting input of the second operational amplifier LM2 is connected to the output of the voltage regulator module, and the output of the second operational amplifier LM2 is connected to the inverting input of the second operational amplifier LM2.

[0033] The inverting input terminal of the third operational amplifier LM3 is connected to the output terminal of the second operational amplifier LM2. The output terminal of the third operational amplifier LM3 is connected to the non-inverting input terminal of the third operational amplifier LM3 through resistor R8. The output terminal of the third operational amplifier LM3 is connected to the inverting input terminal of the fourth operational amplifier LM4 through resistor R10.

[0034] The non-inverting input of the fourth operational amplifier LM4 is connected to the output of the second operational amplifier LM2. The output of the fourth operational amplifier LM4 is connected to the inverting input of the fourth operational amplifier LM4 through capacitor C7. The output of the fourth operational amplifier LM4 is connected to the second input of the boost control module.

[0035] The first end of the resistor R9 is connected to the non-inverting input of the third operational amplifier LM3, and the second end of the resistor R9 is connected to the output of the fourth operational amplifier LM4.

[0036] In one exemplary embodiment of this application, the boost control module includes: a first operational amplifier LM1;

[0037] The non-inverting input of the first operational amplifier LM1 is connected to the output port of the pulse module;

[0038] The inverting input terminal of the first operational amplifier LM1 is connected to the output port of the reference voltage module;

[0039] The output terminal of the first operational amplifier LM1 is connected to the control terminal of the boost module.

[0040] The beneficial effects of the seismic equipment voltage stabilization power supply device provided in this application embodiment are as follows: By setting a reference voltage module, a voltage stabilization module, a pulse module, and a boost control module, this application can monitor the output voltage of the boost module in real time and adjust the boost module according to changes in the output voltage, thereby achieving stable power supply to the equipment. Specifically, the reference voltage module provides a reference voltage, the voltage stabilization module stabilizes the output voltage of the boost module, the pulse module generates a pulse signal, and the boost control module controls the operation of the boost module according to the reference voltage and the pulse signal, ensuring the stability of the output voltage and improving the operational reliability of the equipment and the accuracy of the monitoring data. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0042] Figure 1 This is a schematic diagram of the structure of the earthquake equipment voltage stabilization power supply device provided in the embodiments of this application;

[0043] Figure 2 This is a circuit diagram of the earthquake equipment voltage stabilization power supply device provided in the embodiments of this application. Detailed Implementation

[0044] To enable those skilled in the art to better understand this solution, the technical solutions in the embodiments of this solution will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this solution, not all of them. Based on the embodiments of this solution, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this solution.

[0045] The term "comprising" and any other variations thereof in the specification, claims, and accompanying drawings of this invention mean "including but not limited to," and are intended to cover a non-exclusive inclusion, not limited to the examples listed herein. Furthermore, the terms "first" and "second," etc., are used to distinguish different objects, not to describe a specific order.

[0046] The implementation of this application will be described in detail below with reference to the specific accompanying drawings:

[0047] Figure 1This is a structural schematic diagram of a voltage stabilization power supply device for earthquake equipment provided in an embodiment of this application. (Refer to...) Figure 1 The voltage stabilization power supply device for this seismic equipment includes:

[0048] Boost module 12, reference voltage module 13, voltage regulator module 14, pulse module 15, and boost control module 16; wherein,

[0049] The input terminal of the boost module 12 is connected to the power supply; the input terminal of the reference voltage module 13 is connected to the output terminal of the boost module 12, and the output terminal of the reference voltage module 13 is connected to the first input terminal of the boost control module 16.

[0050] The input terminal of the voltage regulator module 14 is connected to the output terminal of the boost module 12, the output terminal of the voltage regulator module 14 is connected to the input terminal of the pulse module 15, and the output terminal of the pulse module 15 is connected to the second input terminal of the boost control module 16.

[0051] The output terminal of the boost control module 16 is connected to the control terminal of the boost module 12.

[0052] In this embodiment, power supply U1 provides an initial voltage, and boost module 12 boosts the input initial voltage to obtain an output voltage. This application, by setting a reference voltage module 13, a voltage regulator module 14, a pulse module 15, and a boost control module 16, can monitor the output voltage of boost module 12 in real time and adjust boost module 12 according to changes in the output voltage, thereby achieving stable power supply to the device. Specifically, boost module 12 boosts the power supply voltage; reference voltage module 13 obtains the output voltage from boost module 12 and generates a reference voltage; voltage regulator module 14 regulates the output voltage of boost module 12; pulse module 15 generates a pulse signal based on the output voltage of voltage regulator module 14; and boost control module 16 controls the output voltage of boost module 12 according to the pulse signals output by reference voltage module 13 and pulse module 15.

[0053] Figure 2 A circuit diagram of a voltage stabilization power supply device for earthquake equipment provided in an embodiment of this application. (Refer to...) Figure 2 :

[0054] In one exemplary embodiment of this application, the boost module 12 includes: capacitor C1, capacitor C2, capacitor C3, inductor L1, diode D1, and switching transistor Q1; wherein,

[0055] The first terminal of power supply U1 is connected to the first terminal of inductor L1 through capacitor C1;

[0056] The second terminal of inductor L1 is connected to the anode of diode D1 through capacitor C2;

[0057] The cathode of diode D1 is connected to the input terminal of reference voltage module 13 and the input terminal of voltage regulator module 14, respectively.

[0058] The second terminal of power supply U1 is grounded;

[0059] The control terminal of the switching transistor Q1 is connected to the output terminal of the boost control module 16, the first terminal of the switching transistor Q1 is connected to the anode of the diode D1, and the second terminal of the switching transistor Q1 is grounded.

[0060] In this embodiment, power supply U1 provides the initial voltage; capacitor C1 is used to filter the initial voltage; capacitor C2 is used to assist inductor L1 in storing and releasing energy; capacitor C3 is used to filter the boosted voltage to stabilize the power output; inductor L1 stores energy when switch Q1 is on and releases energy to boost the voltage when switch Q1 is off; diode D1 prevents reverse current flow; switch Q1 controls the charging and discharging process of the inductor. In this embodiment, the output voltage of boost module 12 can be adjusted by controlling the on and off states of switch Q1.

[0061] Specifically, the initial voltage output by power supply U1 is filtered by capacitor C1 and then applied to inductor L1; when switch Q1 is turned on, inductor L1 stores energy; when switch Q1 is turned off, inductor L1 releases energy and charges capacitor C2 through diode D1, thereby increasing the voltage; the on and off states of switch Q1 are controlled by boost control module 16.

[0062] This embodiment realizes the function of boosting the input voltage, which can raise the lower power supply voltage to a higher voltage suitable for the operation of the device and meet the device's power supply voltage requirements; through the cooperation of components such as inductors and capacitors, the boosting process is relatively stable, reducing the impact of voltage fluctuations on the device.

[0063] In one exemplary embodiment of this application, the reference voltage module 13 includes: resistor R1, resistor R2, and capacitor C4; wherein,

[0064] The first end of resistor R1 is connected to the output terminal of boost module 12, and the second end of resistor R1 is connected to the first input terminal of boost control module 16.

[0065] The second terminal of resistor R1 is grounded through resistor R2.

[0066] In this embodiment, the reference voltage module 13 is composed of a voltage divider circuit consisting of resistors R1 and R2; the output voltage of the boost module 12 is divided by resistors R1 and R2 to obtain a reference voltage, which is sent to the first input terminal of the boost control module 16 to provide a reference voltage for comparison and control.

[0067] In this embodiment, a voltage divider circuit composed of resistors R1 and R2 provides a stable reference voltage signal for the boost control module 16, enabling the boost control module 16 to accurately control the boost module 12 based on this signal, which helps to improve the voltage control accuracy of the entire power supply device.

[0068] In one exemplary embodiment of this application, the voltage regulator module 14 includes: a voltage regulator submodule and a buck submodule;

[0069] The voltage regulator submodule includes: voltage regulator chip U2, capacitor C5, capacitor C6, diode D2, resistor R3, resistor R4, and resistor R5.

[0070] The input terminal of the voltage regulator chip U2 is connected to the output terminal of the boost module 12; the input terminal of the voltage regulator chip U2 is grounded through capacitor C5.

[0071] The output terminal of the voltage regulator chip U2 is connected to the cathode of the diode D2, and the anode of the diode D2 is connected to the input terminal of the voltage regulator chip U2.

[0072] The output terminal of the voltage regulator chip U2 is connected to the first terminal of resistor R3, and the second terminal of resistor R3 is grounded through resistor R4.

[0073] The feedback terminal of the voltage regulator chip U2 is connected to the second terminal of the resistor R3;

[0074] The first terminal of resistor R3 is connected to the first terminal of capacitor C6, and the second terminal of capacitor C6 is grounded.

[0075] The first terminal of capacitor C6 is connected to the first terminal of resistor R5, and the second terminal of resistor R5 is grounded.

[0076] The first terminal of resistor R5 is connected to the input terminal of the step-down submodule.

[0077] In this embodiment, voltage regulator chip U2 is used to stabilize the output voltage; capacitor C5 is used to filter the voltage output by boost module 12 to reduce voltage fluctuations; capacitor C6 is used to filter the output voltage to improve the stability of the output voltage; diode D2 is used to prevent reverse voltage impact on the voltage regulator chip; resistors R3, R4, and R5 are used to set the output voltage and feedback parameters of the voltage regulator chip.

[0078] Specifically, voltage regulator chip U2 regulates the output voltage of boost module 12; capacitor C5 is used for filtering to reduce input voltage fluctuations. Diode D2 prevents damage to voltage regulator chip U2 when the output voltage is abnormal. Resistors R3 and R4 form a feedback circuit, feeding a portion of the output voltage back to the feedback terminal of voltage regulator chip U2. Based on the comparison between the feedback signal and the internal reference signal, voltage regulator chip U2 automatically adjusts the output voltage to maintain stability. Capacitor C6 and resistor R5 further filter and adjust the output voltage, making it more stable; the stable voltage output from the voltage regulator submodule is then input to the buck submodule for processing.

[0079] This embodiment can effectively stabilize the voltage output of the boost module 12, reduce voltage fluctuations, and provide a stable voltage input for subsequent circuits; the protection function of the diode improves the reliability of the circuit, and the feedback circuit realizes automatic adjustment of the output voltage, ensuring voltage stability.

[0080] In one exemplary embodiment of this application, the step-down submodule includes: a resistor R6 and a resistor R7; wherein,

[0081] The first end of resistor R6 is connected to the first end of resistor R5, and the second end of resistor R6 is grounded through resistor R7.

[0082] The second end of resistor R6 is connected to the input terminal of pulse module 15.

[0083] In this embodiment, resistors R6 and R7 form a voltage divider circuit to divide the stable voltage output by the voltage regulator submodule, reducing the voltage to a suitable value for the input of the pulse module 15. The voltage output from the second terminal of resistor R6 is the input voltage of the pulse module 15. By adjusting the resistance ratio of resistors R6 and R7, the output voltage can be precisely adjusted.

[0084] In this embodiment, the voltage output of the voltage regulator submodule is reduced to a suitable level to meet the input voltage requirements of the pulse module 15, thus providing a suitable signal input for the normal operation of the pulse module 15.

[0085] In one exemplary embodiment of this application, the pulse module 15 includes: a second operational amplifier LM2, a third operational amplifier LM3, a fourth operational amplifier LM4, resistors R8, R9, and R10, and capacitor C7; wherein,

[0086] The non-inverting input of the second operational amplifier LM2 is connected to the output of the voltage regulator module 14, and the output of the second operational amplifier LM2 is connected to the inverting input of the second operational amplifier LM2.

[0087] The inverting input of the third operational amplifier LM3 is connected to the output of the second operational amplifier LM2. The output of the third operational amplifier LM3 is connected to the non-inverting input of the third operational amplifier LM3 through resistor R8. The output of the third operational amplifier LM3 is connected to the inverting input of the fourth operational amplifier LM4 through resistor R10.

[0088] The non-inverting input of the fourth operational amplifier LM4 is connected to the output of the second operational amplifier LM2. The output of the fourth operational amplifier LM4 is connected to the inverting input of the fourth operational amplifier LM4 through capacitor C7. The output of the fourth operational amplifier LM4 is connected to the second input of the boost control module 16.

[0089] The first end of resistor R9 is connected to the non-inverting input of the third operational amplifier LM3, and the second end of resistor R9 is connected to the output of the fourth operational amplifier LM4.

[0090] In this embodiment, the second operational amplifier LM2 forms a voltage follower to buffer and isolate the output voltage of the voltage regulator module 14, thereby improving the signal driving capability. The third operational amplifier LM3 and resistor R8 form a comparator circuit, which compares the signal output by the second operational amplifier LM2 with its own set reference signal and outputs a corresponding comparison signal. The fourth operational amplifier LM4 and capacitor C7 form an oscillation circuit, which generates a pulse signal based on the output signal of the third operational amplifier LM3. This pulse signal is output to the second input terminal of the boost control module 16 to adjust the working state of the boost module 12. Resistor R9 acts as feedback, affecting the frequency and stability of the oscillation circuit.

[0091] In this embodiment, the voltage signal output by the voltage regulator module 14 is converted into a pulse signal, which provides the boost control module 16 with a control signal that can adjust the working state of the boost module 12. By using the pulse signal and the reference voltage, the output voltage of the boost module 12 can be adjusted, thereby improving the response speed of the power supply device to voltage regulation.

[0092] In one exemplary embodiment of this application, the boost control module 16 includes: a first operational amplifier LM1;

[0093] The non-inverting input of the first operational amplifier LM1 is connected to the output port of the pulse module 15;

[0094] The inverting input of the first operational amplifier LM1 is connected to the output port of the boost module 12;

[0095] The output of the first operational amplifier LM1 is connected to the control terminal of the boost module 12.

[0096] In this embodiment, the first operational amplifier LM1 forms a comparator circuit. Its non-inverting input receives the pulse signal output by the pulse module 15, and its inverting input receives the output signal of the reference voltage module 13. The first operational amplifier LM1 compares the two signals and outputs a corresponding control signal according to the comparison result. The control signal is transmitted to the control terminal of the boost module 12 to adjust the conduction and cutoff of the switching transistor Q1, thereby realizing the adjustment of the output voltage of the boost module 12.

[0097] This embodiment can adjust the operation of the boost module 12 in a timely manner based on the comparison result between the output voltage of the reference voltage module 13 and the output signal of the pulse module 15, thereby realizing closed-loop control of the power supply voltage and further improving the stability and accuracy of the output voltage of the seismic equipment voltage stabilization power supply device.

[0098] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A voltage stabilizing power supply device for earthquake equipment, characterized in that, include: The system includes a boost module, a reference voltage module, a voltage regulator module, a pulse module, and a boost control module; among which, The input terminal of the boost module is connected to the power supply; the input terminal of the reference voltage module is connected to the output terminal of the boost module, and the output terminal of the reference voltage module is connected to the first input terminal of the boost control module. The input terminal of the voltage regulator module is connected to the output terminal of the boost module, the output terminal of the voltage regulator module is connected to the input terminal of the pulse module, and the output terminal of the pulse module is connected to the second input terminal of the boost control module. The output terminal of the boost control module is connected to the control terminal of the boost module.

2. The voltage stabilizing power supply device for seismic equipment according to claim 1, wherein The boost module includes: capacitor C1, capacitor C2, capacitor C3, inductor L1, diode D1, and switching transistor Q1; wherein, The first terminal of the power supply U1 is connected to the first terminal of the inductor L1 through the capacitor C1. The second terminal of the inductor L1 is connected to the anode of the diode D1 through the capacitor C2; The cathode of the diode D1 is connected to the input terminal of the reference voltage module and the input terminal of the voltage regulator module, respectively. The second terminal of the power supply U1 is grounded; The control terminal of the switching transistor Q1 is connected to the output terminal of the boost control module, the first terminal of the switching transistor Q1 is connected to the anode of the diode D1, and the second terminal of the switching transistor Q1 is grounded.

3. The voltage stabilizing power supply device for seismic equipment according to claim 1, wherein The reference voltage module includes: resistor R1, resistor R2, and capacitor C4; wherein, The first end of the resistor R1 is connected to the output end of the boost module, and the second end of the resistor R1 is connected to the first input end of the boost control module. The second end of resistor R1 is grounded through resistor R2.

4. The apparatus for stabilizing power supply of seismic equipment according to claim 1, wherein The voltage regulator module includes: a voltage regulator submodule and a buck submodule; wherein, The voltage regulator submodule includes: a voltage regulator chip U2, capacitor C5, capacitor C6, diode D2, resistor R3, resistor R4, and resistor R5; wherein, The input terminal of the voltage regulator chip U2 is connected to the output terminal of the boost module; the input terminal of the voltage regulator chip U2 is grounded through the capacitor C5. The output terminal of the voltage regulator chip U2 is connected to the cathode of the diode D2, and the anode of the diode D2 is connected to the input terminal of the voltage regulator chip U2. The output terminal of the voltage regulator chip U2 is connected to the first terminal of the resistor R3, and the second terminal of the resistor R3 is grounded through the resistor R4; The feedback terminal of the voltage regulator chip U2 is connected to the second terminal of the resistor R3; The first end of the resistor R3 is connected to the first end of the capacitor C6, and the second end of the capacitor C6 is grounded. The first terminal of the capacitor C6 is connected to the first terminal of the resistor R5, and the second terminal of the resistor R5 is grounded. The first end of the resistor R5 is connected to the input end of the step-down submodule.

5. The apparatus for stabilizing power supply of seismic equipment according to claim 4, wherein The step-down submodule includes: resistor R6 and resistor R7; wherein... The first end of resistor R6 is connected to the first end of resistor R5, and the second end of resistor R6 is grounded through resistor R7; The second end of the resistor R6 is connected to the input end of the pulse module.

6. The apparatus for stabilizing power supply of seismic equipment according to claim 1, wherein The pulse module includes: a second operational amplifier LM2, a third operational amplifier LM3, a fourth operational amplifier LM4, resistors R8, R9, and R10, and capacitor C7; wherein, The non-inverting input of the second operational amplifier LM2 is connected to the output of the voltage regulator module, and the output of the second operational amplifier LM2 is connected to the inverting input of the second operational amplifier LM2. The inverting input terminal of the third operational amplifier LM3 is connected to the output terminal of the second operational amplifier LM2. The output terminal of the third operational amplifier LM3 is connected to the non-inverting input terminal of the third operational amplifier LM3 through resistor R8. The output terminal of the third operational amplifier LM3 is connected to the inverting input terminal of the fourth operational amplifier LM4 through resistor R10. The non-inverting input of the fourth operational amplifier LM4 is connected to the output of the second operational amplifier LM2. The output of the fourth operational amplifier LM4 is connected to the inverting input of the fourth operational amplifier LM4 through capacitor C7. The output of the fourth operational amplifier LM4 is connected to the second input of the boost control module. The first end of the resistor R9 is connected to the non-inverting input of the third operational amplifier LM3, and the second end of the resistor R9 is connected to the output of the fourth operational amplifier LM4.

7. The apparatus for stabilizing power supply of seismic equipment according to claim 1, wherein The boost control module includes: a first operational amplifier LM1; The non-inverting input of the first operational amplifier LM1 is connected to the output port of the pulse module; The inverting input terminal of the first operational amplifier LM1 is connected to the output port of the reference voltage module; The output terminal of the first operational amplifier LM1 is connected to the control terminal of the boost module.

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