Fixing device for integrated circuit maintenance
The design of the fixing device for integrated circuit maintenance solves the problem that existing technologies cannot automatically determine the tightness of the fixing. It realizes the pressure detection and alarm function of integrated circuit boards, ensures that the fixing pressure is within the normal range, prevents damage, and provides an alarm for abnormal pressure.
Patent Information
- Application Number
- CN202520073076.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing fixing devices for integrated circuit maintenance cannot automatically determine the tightness of the fixing, which may damage the integrated circuit board, and cannot provide alarms for abnormal pressure.
A fixing device for integrated circuit maintenance is designed, comprising a power supply module, a fixing pressure detection module, a pressure status display module, a pressure level detection module, a volume adjustment module, and an alarm module. The device detects the pressure between the fixing device and the integrated circuit board through a pressure sensor, sets a pressure threshold, and issues an alarm when the pressure is abnormal.
It enables real-time detection and alarm of the pressure between the fixing device and the integrated circuit board, ensuring that the fixing pressure is within the normal range to prevent damage, and the alarm volume can be adjusted through the volume adjustment module to facilitate personnel to understand the pressure status.
Smart Images
Figure CN223940979U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of integrated circuit fixing device technology, specifically a fixing device for integrated circuit maintenance. Background Technology
[0002] An integrated circuit (IC) is a circuit that integrates a certain number of commonly used electronic components, such as resistors, capacitors, and transistors, along with the interconnections between these components, using semiconductor technology to create a circuit with a specific function. During the production, assembly, inspection, maintenance, and testing of ICs, a fixing device is needed to secure the IC board. Current IC fixing devices are typically adjusted manually by personnel, making it impossible to perform pressure testing on the fixed IC board. Therefore, they cannot automatically determine whether the tightness of the fixing device is damaging the IC board, nor can they automatically trigger an alarm based on the pressure applied to the IC. This requires improvement. Utility Model Content
[0003] This utility model provides a fixing device for integrated circuit maintenance to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] A fixing device for integrated circuit maintenance includes: a power supply module, a fixing pressure detection module, a pressure status display module, a pressure level detection module, a volume adjustment module, and an alarm module;
[0006] The power module is used to receive AC power and perform step-down, rectification, filtering and voltage regulation of the AC power to output the first electrical energy;
[0007] A fixed pressure detection module is connected to the power module and is used to receive the first electrical energy and detect the pressure between the fixed device and the integrated circuit board, amplify and filter the detected pressure signal and output the first detection signal.
[0008] The pressure status display module is connected to the power supply module and the fixed pressure display module. It is used to set a first pressure threshold and a second pressure threshold, receive a first electrical energy, and perform normal fixed pressure display when the first detection signal is greater than the first pressure threshold and less than the second pressure threshold.
[0009] A pressure level detection module, connected to the fixed pressure detection module, is used to subtract the first detection signal and the second pressure threshold and output the first pressure difference signal.
[0010] The volume adjustment module is connected to the pressure level detection module, the alarm module and the power supply module. It is used to receive the first electrical energy and, when the first pressure difference signal is received, to perform voltage division adjustment on the first electrical energy, output the first adjustment signal and control the alarm volume of the alarm module.
[0011] An alarm module, connected to the power module, is used to receive a first adjustment signal and trigger a pressure abnormality alarm, and to adjust the alarm volume according to the voltage value of the first adjustment signal.
[0012] As a further embodiment of this utility model: the power module includes a power interface and a power processing device; the fixed pressure detection module includes a pressure sensor, a first resistor, a second resistor, a third potentiometer, a first capacitor, a third resistor, a fourth resistor, and a first operational amplifier;
[0013] Preferably, the first and second ends of the power interface are respectively connected to the first and second ends of the power processing device, the third end of the power processing device is connected to the power supply end of the pressure sensor, the first output end of the pressure sensor is connected to one end of the second resistor and the inverting input of the first operational amplifier through the first resistor, the second output end of the pressure sensor is connected to one end of the third potentiometer and is connected to the ground end of the pressure sensor, one end of the fourth resistor and the ground end through the first capacitor, the other end of the third potentiometer and the slider end are both connected to the other end of the fourth resistor and the non-inverting input of the first operational amplifier through the third resistor, and the output end of the first operational amplifier is connected to the other end of the second resistor, the pressure status display module and the pressure level detection module.
[0014] As a further embodiment of this utility model: the pressure status display module includes a fifth resistor, a first potentiometer, a sixth resistor, a seventh resistor, a second potentiometer, an eighth resistor, a first comparator, a second comparator, a first switching transistor, a first indicator light, and a ninth resistor;
[0015] Preferably, one end of the fifth resistor is connected to one end of the seventh resistor, one end of the ninth resistor, and the third terminal of the power processing device; the other end of the fifth resistor is connected to one end of the first potentiometer; the other end of the first potentiometer is grounded through the sixth resistor; the slider end of the first potentiometer is connected to the non-inverting input of the second comparator and the pressure level detection module; the other end of the seventh resistor is connected to one end of the second potentiometer; the other end of the second potentiometer is connected to the emitter of the first switching transistor and ground through the eighth resistor; the slider end of the second potentiometer is connected to the inverting input of the first comparator; the non-inverting input of the first comparator is connected to the inverting input of the second comparator and the output terminal of the first operational amplifier; the output terminals of the first and second comparators are respectively connected to the A and B terminals of the first logic chip; the Y terminal of the first logic chip is connected to the base of the first switching transistor; the collector of the first switching transistor is connected to the cathode of the first indicator light; and the anode of the first indicator light is connected to the other end of the ninth resistor.
[0016] As a further improvement of this utility model: the volume adjustment module includes a first power transistor and a tenth resistor;
[0017] Preferably, the source of the first power transistor is connected to the alarm module and grounded through the tenth resistor, the drain of the first power transistor is connected to the third terminal of the power processing device, and the gate of the first power transistor is connected to the pressure level detection module.
[0018] As a further improvement of this utility model: the pressure level detection module includes a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a second operational amplifier, and a sixteenth resistor;
[0019] Preferably, the inverting input of the second operational amplifier is connected to one end of the sixteenth resistor and then connected to the slider end of the first potentiometer through the thirteenth resistor; the non-inverting input of the second operational amplifier is connected to one end of the fifteenth resistor and then connected to the output terminal of the first operational amplifier through the fourteenth resistor; the other end of the fifteenth resistor is grounded; and the output terminal of the second operational amplifier is connected to the other end of the sixteenth resistor and the gate of the first power transistor.
[0020] As a further embodiment of this utility model: the alarm module includes a first amplifier, an eleventh resistor, a third capacitor, a second capacitor, a fourth capacitor, a twelfth resistor, and a first speaker;
[0021] Preferably, the third terminal of the first amplifier is connected to the source of the first power transistor, the sixth terminal of the first amplifier is connected to the third terminal of the power supply processing device, the first terminal of the first amplifier is connected to one end of the third capacitor through the eleventh resistor, the other end of the third capacitor is connected to the fifth terminal of the first amplifier and one end of the twelfth resistor and is connected to one end of the first speaker through the fourth capacitor, and the other end of the twelfth resistor is connected to the other end of the first speaker, the second terminal of the first amplifier, the fourth terminal of the first amplifier and the ground terminal through the second capacitor.
[0022] Compared with the prior art, the beneficial effects of this utility model are as follows: The fixing device for integrated circuit maintenance of this utility model can detect the pressure between the fixing device and the integrated circuit board by the fixing pressure detection module, and the pressure status display module provides illumination when the pressure between the fixing device and the integrated circuit board is in a normal state. During fixing or maintenance, if the pressure detection module detects that the pressure between the fixing device and the integrated circuit board is greater than the set maximum pressure value, i.e., the second pressure threshold, it will adjust the voltage input to the alarm module by the volume adjustment module according to the pressure difference, and then adjust the alarm volume according to the pressure difference, so that relevant personnel can understand the pressure between the fixing device and the integrated circuit board. Attached Figure Description
[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0024] Figure 1 This is a schematic block diagram of a fixing device for integrated circuit maintenance, provided as an example of this utility model.
[0025] Figure 2 A circuit diagram of a fixed device for integrated circuit maintenance provided as an example of this utility model.
[0026] Figure 3 The connection circuit diagram of the pressure level detection module provided for this utility model embodiment. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] In one embodiment, see Figure 1 A fixing device for integrated circuit maintenance includes: a power module 1, a fixing pressure detection module 2, a pressure status display module 3, a pressure level detection module 4, a volume adjustment module 5, and an alarm module 6.
[0029] Specifically, power module 1 is used to receive AC power and perform step-down, rectification, filtering and voltage regulation on the AC power to output the first power.
[0030] Fixed pressure detection module 2, connected to the power module 1, is used to receive the first electrical energy and detect the pressure between the fixed device and the integrated circuit board, amplify and filter the detected pressure signal and output the first detection signal;
[0031] The pressure status display module 3 is connected to the power supply module 1 and the fixed pressure display module. It is used to set the first pressure threshold and the second pressure threshold, receive the first electrical energy, and perform normal fixed pressure display when the first detection signal is greater than the first pressure threshold and less than the second pressure threshold.
[0032] Pressure level detection module 4 is connected to the fixed pressure detection module 2 and is used to perform subtraction processing on the first detection signal and the second pressure threshold and output the first pressure difference signal.
[0033] The volume adjustment module 5 is connected to the pressure level detection module 4, the alarm module 6 and the power module 1. It is used to receive the first electrical energy and, when the first pressure difference signal is received, to perform voltage division adjustment processing on the first electrical energy, output the first adjustment signal and control the alarm volume of the alarm module 6.
[0034] The alarm module 6 is connected to the power module 1 and is used to receive the first adjustment signal and perform a pressure abnormality alarm, and adjust the pressure abnormality alarm volume according to the voltage value of the first adjustment signal.
[0035] In a specific embodiment, the power module 1 can employ a power interface and a power processing device to connect to AC power and perform voltage reduction, rectification, filtering, and stabilization on the AC power; the fixed pressure detection module 2 can employ a fixed pressure detection circuit composed of a pressure sensor, operational amplifier, resistor, etc., to detect the pressure between the fixing device and the integrated circuit board and amplify and filter the detected signal; the pressure status display module 3 can employ a pressure status display circuit composed of resistors, comparators, logic chips, transistors, indicator lights, etc., and can set a first pressure threshold and a second pressure threshold. The first pressure threshold is the minimum pressure value required for the fixing device to clamp the integrated circuit board, and the second pressure threshold is the maximum pressure value required for the fixing device to clamp the integrated circuit board. The pressure value is calculated by comparing the pressure value of the signal output by the fixed pressure detection module 2 with the first and second pressure thresholds. When the pressure is within the normal range, the pressure is displayed normally. The pressure level detection module 4 can use a pressure level detection circuit composed of resistors and operational amplifiers. It can subtract the real-time detected pressure from the set second pressure threshold to obtain the pressure difference. The volume adjustment module 5 can use a volume adjustment circuit composed of field-effect transistors and resistors. It can control the power input to the alarm module 6 and adjust the alarm volume of the alarm module 6. The alarm module 6 can use an alarm circuit composed of an audio power amplifier, capacitor, speaker, etc. It can perform alarm operation and adjust the volume according to the voltage output by the volume adjustment module 5.
[0036] In another embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The power module 1 includes a power interface and a power processing device; the fixed pressure detection module 2 includes a pressure sensor, a first resistor R1, a second resistor R2, a third potentiometer RP3, a first capacitor C1, a third resistor R3, a fourth resistor R4, and a first operational amplifier OP1.
[0037] Specifically, the first and second ends of the power interface are connected to the first and second ends of the power processing device, respectively. The third end of the power processing device is connected to the power supply end of the pressure sensor. The first output end of the pressure sensor is connected to one end of the second resistor R2 and the inverting end of the first operational amplifier OP1 through the first resistor R1. The second output end of the pressure sensor is connected to one end of the third potentiometer RP3 and is connected to the ground end of the pressure sensor, one end of the fourth resistor R4 and the ground end through the first capacitor C1. The other end and the slider end of the third potentiometer RP3 are both connected to the other end of the fourth resistor R4 and the non-inverting end of the first operational amplifier OP1 through the third resistor R3. The output end of the first operational amplifier OP1 is connected to the other end of the second resistor R2, the pressure status display module 3 and the pressure level detection module 4.
[0038] In a specific embodiment, the power processing device may consist of a transformer, a rectifier, a voltage regulator, and a capacitor; the pressure sensor may be a piezoelectric pressure sensor; and the first operational amplifier OP1 may be an OP07 operational amplifier.
[0039] Furthermore, the pressure status display module 3 includes a fifth resistor R5, a first potentiometer RP1, a sixth resistor R6, a seventh resistor R7, a second potentiometer RP2, an eighth resistor R8, a first comparator A1, a second comparator A2, a first switching transistor V1, a first indicator LED1, and a ninth resistor R9.
[0040] Specifically, one end of the fifth resistor R5 is connected to one end of the seventh resistor R7, one end of the ninth resistor R9, and the third terminal of the power processing device. The other end of the fifth resistor R5 is connected to one end of the first potentiometer RP1. The other end of the first potentiometer RP1 is grounded through the sixth resistor R6. The slider end of the first potentiometer RP1 is connected to the non-inverting input of the second comparator A2 and the pressure level detection module 4. The other end of the seventh resistor R7 is connected to one end of the second potentiometer RP2. The other end of the second potentiometer RP2 is connected to the emitter of the first switching transistor V1 and the ground terminal through the eighth resistor R8. The slider end of the second potentiometer RP2 is connected to the inverting input of the first comparator A1. The non-inverting input of the first comparator A1 is connected to the inverting input of the second comparator A2 and the output terminal of the first operational amplifier OP1. The output terminals of the first comparator A1 and the second comparator A2 are respectively connected to the A terminal and the B terminal of the first logic chip. The Y terminal of the first logic chip is connected to the base of the first switching transistor V1. The collector of the first switching transistor V1 is connected to the cathode of the first indicator LED1. The anode of the first indicator LED1 is connected to the other end of the ninth resistor R9.
[0041] In a specific embodiment, the seventh resistor R7, the second potentiometer RP2, and the eighth resistor R8 set the first pressure threshold; the fifth resistor R5, the first potentiometer RP1, and the sixth resistor R6 set the second pressure threshold; the first comparator A1 and the second comparator A2 can both be LM358 comparators; the first logic chip can be an AND gate chip; and the first switching transistor V1 can be an NPN transistor.
[0042] Furthermore, the volume control module 5 includes a first power transistor Q1 and a tenth resistor R10;
[0043] Specifically, the source of the first power transistor Q1 is connected to the alarm module 6 and grounded through the tenth resistor R10, the drain of the first power transistor Q1 is connected to the third terminal of the power supply processing device, and the gate of the first power transistor Q1 is connected to the pressure level detection module 4.
[0044] In a specific embodiment, the first power transistor Q1 can be an N-channel field-effect transistor.
[0045] Furthermore, the pressure level detection module 4 includes a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a second operational amplifier OP2, and a sixteenth resistor R16;
[0046] Specifically, the inverting input of the second operational amplifier OP2 is connected to one end of the sixteenth resistor R16 and then to the slider end of the first potentiometer RP1 through the thirteenth resistor R13. The non-inverting input of the second operational amplifier OP2 is connected to one end of the fifteenth resistor R15 and then to the output terminal of the first operational amplifier OP1 through the fourteenth resistor R14. The other end of the fifteenth resistor R15 is grounded. The output terminal of the second operational amplifier OP2 is connected to the other end of the sixteenth resistor R16 and the gate of the first power transistor Q1.
[0047] In a specific embodiment, the second operational amplifier OP2 can be an OP07 operational amplifier, which, together with the thirteenth resistor R13, the fourteenth resistor R14, the fifteenth resistor R15 and the sixteenth resistor R16, performs subtraction processing.
[0048] Furthermore, the alarm module 6 includes a first amplifier IC1, an eleventh resistor R11, a third capacitor C3, a second capacitor C2, a fourth capacitor C4, a twelfth resistor R12, and a first speaker BL1;
[0049] Specifically, the third terminal of the first amplifier IC1 is connected to the source of the first power transistor Q1, the sixth terminal of the first amplifier IC1 is connected to the third terminal of the power supply processing device, the first terminal of the first amplifier IC1 is connected to one end of the third capacitor C3 through the eleventh resistor R11, the other end of the third capacitor C3 is connected to the fifth terminal of the first amplifier IC1 and one end of the twelfth resistor R12, and is connected to one end of the first speaker BL1 through the fourth capacitor C4, and the other end of the twelfth resistor R12 is connected to the other end of the first speaker BL1, the second terminal of the first amplifier IC1, the fourth terminal of the first amplifier IC1, and the ground terminal through the second capacitor C2.
[0050] In one embodiment, the first amplifier IC1 described above may be an LM386 audio power amplifier.
[0051] In this embodiment, a fixing device for integrated circuit maintenance is provided. AC power is connected via a power interface. A power processing device steps down, rectifies, filters, and regulates the AC power before outputting a first power source. A pressure sensor detects the pressure between the fixed state and the integrated circuit board and outputs a pressure signal. This pressure signal is amplified and filtered by a first resistor R1, a third potentiometer RP3, a first capacitor C1, a second resistor R2, a third resistor R3, a fourth resistor R4, and a first operational amplifier OP1, and then outputs a first detection signal. When the first detection signal is greater than a first voltage threshold set by a seventh resistor R7, a second potentiometer RP2, and an eighth resistor R8, and less than a second voltage threshold set by a fifth resistor R5, a sixth resistor R6, and a first potentiometer RP1, the first comparator A1 and the second comparator A2... All outputs are high level, controlling the Y terminal of the first logic chip to output a high level, controlling the first switching transistor V1 to conduct, the first indicator LED1 is powered on and displays the normal pressure. At the same time, the second operational amplifier OP2, together with the thirteenth resistor R13, the fourteenth resistor R14, the fifteenth resistor R15 and the sixteenth resistor R16, performs subtraction processing on the first detection signal and the second voltage threshold to obtain the first pressure difference signal. The first pressure difference signal drives the first power transistor Q1 to conduct, and then through the first amplifier IC1, together with the eleventh resistor R11, the twelfth resistor R12, the third capacitor C3, the second capacitor C2 and the fourth capacitor C4, triggers the first speaker BL1 to sound an alarm. The larger the voltage of the first pressure difference signal, the larger the conduction angle of the first power transistor Q1, which makes the volume of the first speaker BL1 louder.
[0052] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0053] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A fixing device for integrated circuit maintenance, characterized in that, The integrated circuit maintenance fixture includes: a power supply module, a fixed pressure detection module, a pressure status display module, a pressure level detection module, a volume adjustment module, and an alarm module; The power module is used to receive AC power and perform step-down, rectification, filtering and voltage regulation on the AC power to output the first power. The fixed pressure detection module is connected to the power module and is used to receive the first electrical energy and detect the pressure between the fixed device and the integrated circuit board, amplify and filter the detected pressure signal and output the first detection signal. The pressure status display module is connected to the power supply module and the fixed pressure display module. It is used to set a first pressure threshold and a second pressure threshold, receive a first electrical energy, and perform normal fixed pressure display when the first detection signal is greater than the first pressure threshold and less than the second pressure threshold. The pressure level detection module is connected to the fixed pressure detection module and is used to perform subtraction processing on the first detection signal and the second pressure threshold and output the first pressure difference signal. The volume adjustment module is connected to the pressure level detection module, the alarm module and the power supply module. It is used to receive the first electrical energy and, when the first pressure difference signal is received, to perform voltage division adjustment on the first electrical energy, output the first adjustment signal and control the alarm volume of the alarm module. The alarm module is connected to the power module and is used to receive a first adjustment signal and perform a pressure abnormality alarm, and adjust the pressure abnormality alarm volume according to the voltage value of the first adjustment signal.
2. The fixing device for integrated circuit maintenance according to claim 1, characterized in that, The power module includes a power interface and a power processing device; the fixed pressure detection module includes a pressure sensor, a first resistor, a second resistor, a third potentiometer, a first capacitor, a third resistor, a fourth resistor, and a first operational amplifier; The first and second ends of the power interface are respectively connected to the first and second ends of the power processing device. The third end of the power processing device is connected to the power supply end of the pressure sensor. The first output end of the pressure sensor is connected to one end of the second resistor and the inverting input of the first operational amplifier through the first resistor. The second output end of the pressure sensor is connected to one end of the third potentiometer and is connected to the ground end of the pressure sensor, one end of the fourth resistor and the ground end through the first capacitor. The other end and the slider end of the third potentiometer are both connected to the other end of the fourth resistor and the non-inverting input of the first operational amplifier through the third resistor. The output end of the first operational amplifier is connected to the other end of the second resistor, the pressure status display module and the pressure level detection module.
3. The fixing device for integrated circuit maintenance according to claim 2, characterized in that, The pressure status display module includes a fifth resistor, a first potentiometer, a sixth resistor, a seventh resistor, a second potentiometer, an eighth resistor, a first comparator, a second comparator, a first switching transistor, a first indicator light, and a ninth resistor; One end of the fifth resistor is connected to one end of the seventh resistor, one end of the ninth resistor, and the third terminal of the power processing device. The other end of the fifth resistor is connected to one end of the first potentiometer. The other end of the first potentiometer is grounded through the sixth resistor. The slider end of the first potentiometer is connected to the non-inverting input of the second comparator and the pressure detection module. The other end of the seventh resistor is connected to one end of the second potentiometer. The other end of the second potentiometer is connected to the emitter of the first switching transistor and the ground terminal through the eighth resistor. The slider end of the second potentiometer is connected to the inverting input of the first comparator. The non-inverting input of the first comparator is connected to the inverting input of the second comparator and the output terminal of the first operational amplifier. The output terminals of the first and second comparators are respectively connected to the A and B terminals of the first logic chip. The Y terminal of the first logic chip is connected to the base of the first switching transistor. The collector of the first switching transistor is connected to the cathode of the first indicator light. The anode of the first indicator light is connected to the other end of the ninth resistor.
4. The fixing device for integrated circuit maintenance according to claim 3, characterized in that, The volume control module includes a first power transistor and a tenth resistor; The source of the first power transistor is connected to the alarm module and grounded through the tenth resistor; the drain of the first power transistor is connected to the third terminal of the power processing device; and the gate of the first power transistor is connected to the pressure level detection module.
5. A fixing device for integrated circuit maintenance according to claim 4, characterized in that, The pressure level detection module includes a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a second operational amplifier, and a sixteenth resistor; The inverting input of the second operational amplifier is connected to one end of the sixteenth resistor and then to the slider end of the first potentiometer through the thirteenth resistor. The non-inverting input of the second operational amplifier is connected to one end of the fifteenth resistor and then to the output terminal of the first operational amplifier through the fourteenth resistor. The other end of the fifteenth resistor is grounded. The output terminal of the second operational amplifier is connected to the other end of the sixteenth resistor and the gate of the first power transistor.
6. The fixing device for integrated circuit maintenance according to claim 4, characterized in that, The alarm module includes a first amplifier, an eleventh resistor, a third capacitor, a second capacitor, a fourth capacitor, a twelfth resistor, and a first speaker; The third terminal of the first amplifier is connected to the source of the first power transistor, the sixth terminal of the first amplifier is connected to the third terminal of the power supply processing device, the first terminal of the first amplifier is connected to one end of the third capacitor through the eleventh resistor, the other end of the third capacitor is connected to the fifth terminal of the first amplifier and one end of the twelfth resistor and is connected to one end of the first speaker through the fourth capacitor, and the other end of the twelfth resistor is connected to the other end of the first speaker, the second terminal of the first amplifier, the fourth terminal of the first amplifier and the ground terminal through the second capacitor.