A compensation regulator structure

Abstract

This invention discloses a compensated voltage regulator structure. The entire device is a single voltage regulator unit with a voltage input terminal, a power circuit, and a voltage output terminal. Internally, it integrates a detection module, a compensation module, a differential voltage calculation module, a control module, and multiple relays. The compensation module includes a reference voltage range and multiple multiple voltage ranges. After the voltage is input from the input terminal, the detection module first measures the voltage value, then the differential voltage calculation module calculates the difference between the input voltage and the reference voltage range. The control module then drives the corresponding relays based on this difference, allowing the reference voltage range and multiple voltage ranges to be connected to the power circuit in combination through the relays, enabling the compensation module to generate a matching compensation voltage. This invention uses only a small number of compensation modules to adapt to multiple input voltage ranges, effectively reducing the number of voltage regulators needed and lowering equipment costs. Furthermore, the use of relays as power switching elements significantly improves the electrical withstand capability and operational reliability of the equipment.

Description

Technical Field

[0001] This invention relates to the field of voltage regulator technology, and more specifically to a compensated voltage regulator structure. Background Technology

[0002] Voltage regulators, as core components in power systems and electronic equipment, are primarily used to stabilize fluctuating input voltages within a specified output voltage range, ensuring the normal operation of downstream equipment. Existing voltage regulators mostly employ a single-input-to-single-output design, configuring a fixed transformer or electronic voltage regulator module for a specific rated voltage. When the input voltage deviates from the rated value, voltage compensation is achieved through linear regulation, switching power supplies, or mechanical tap switching.

[0003] This traditional architecture suffers from several technical drawbacks: First, it has poor adaptability. If the application environment has multiple voltage conditions such as 110V, 220V, 380V, or even higher, different models of voltage regulators need to be configured separately, resulting in a large overall equipment size, high procurement costs, and significantly increased maintenance complexity. Second, the compensation accuracy is limited. Although some technologies use multiple sets of compensation coils or multiple voltage regulators in parallel and select the output through the control circuit, the compensation section of each voltage regulator is an independent and dedicated design, lacking composability. It is difficult to form multi-stage compensation with a small amount of hardware. When the input voltage is in the middle range, only the closest set of modules can be selected, resulting in a large compensation error. Third, the circuit design is complex. Traditional control methods often rely on table lookup or voltage range-driven relays. The switching mechanism can only open and close a single compensation segment, without considering the combined use of the reference segment and the multiple segment. To cover a wider input voltage range, a large number of relays and dedicated coils must be added, resulting in a complex switching logic that seriously affects power tolerance and equipment reliability. Fourth, the components have insufficient tolerance and transient protection. Although electronic voltage regulator modules can be continuously adjusted, they have low electrical tolerance and high cost under high current conditions. Although mechanical switching is more durable, it is mostly used only for tapped transformers and lacks a modular multiple structure. It is difficult to cope with multiple input voltages with only a few compensation units. Moreover, for the surges and energy generated during switching, traditional technologies mostly rely on external protection circuits, which are not integrated with the compensation architecture design. In actual operation, waveform sags or voltage instability are likely to occur.

[0004] In view of the shortcomings of the existing technologies, there is an urgent need to develop a voltage regulator structure that can adapt to multiple voltage inputs, achieve high-precision multi-stage compensation with a small amount of hardware, and has both high electrical tolerance and reliability, so as to solve the technical problems of existing voltage regulators such as large size, high cost, low compensation accuracy and complex circuit. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a compensated voltage regulator structure. By combining a single voltage regulator device with a small number of compensation modules, a flexible combination of the reference voltage range and the multiple voltage range can be achieved. This allows for adaptation to a variety of input voltage ranges with lower cost and smaller size, while improving voltage compensation accuracy, electrical withstand capability and equipment operational reliability. This solves the problems of existing voltage regulators, such as single-input dedicated, low compensation accuracy, complex circuits and insufficient withstand capability.

[0006] To solve the above-mentioned technical problems, embodiments of the present invention provide the following technical solution: a compensated voltage regulator structure, the core of which is a single voltage regulator device. This device has a voltage input terminal, a power circuit, and a voltage output terminal, and internally integrates a detection module, a compensation module, a differential voltage calculation module, a control module, and multiple relays. The compensation module has a reference voltage segment and multiple multiple voltage segments. After the detection module measures the input voltage, the differential voltage calculation module calculates the difference between the input voltage and the reference voltage segment. The control module drives the corresponding relay according to the difference, so that the reference voltage segment and the multiple voltage segments are connected to the power circuit in combination through the relays. The compensation module generates a compensation voltage that matches the input voltage, thereby realizing the boost or buck compensation of the input voltage.

[0007] Furthermore, at least one voltage clamping part is provided on one side of the voltage output terminal to limit transient overvoltage within a safe range, prevent downstream equipment from being damaged by overvoltage, and reduce the probability of relay contacts being broken down by overvoltage.

[0008] Furthermore, the power circuit is equipped with at least one current protection unit, which is used to cut off the power circuit in time when abnormal current (such as large current generated by short circuit or overload) passes through, to prevent the compensation module from burning out due to overheating and to improve the safety of the overall equipment.

[0009] Furthermore, each of the relays is provided with and electrically connected to at least one energy protection unit on one side, which is used to absorb the surge energy generated during relay switching, reduce electric arc and electromagnetic interference, extend the service life of the relay, and improve the reliability of system operation.

[0010] Furthermore, an output monitoring module is also provided and electrically connected to one side of the voltage output terminal. The output monitoring module is electrically connected to the control module and is used to measure the compensated output voltage in real time. When the output voltage exceeds the preset allowable range value, the control module is driven to generate a control signal again, adjust the on / off configuration of the relay, and realize the voltage correction of the closed loop.

[0011] Furthermore, each of the multiple voltage segments is a voltage segment with a different multiple, and each multiple voltage segment can be selectively connected in series or in parallel with the reference voltage segment to make the compensation voltage present a stepped form, reduce the voltage level between each compensation voltage, and improve the resolution and accuracy of voltage compensation; each multiple voltage segment is electrically independent of each other and is coupled to the reference voltage segment only through a common terminal path to form a modular combined compensation architecture.

[0012] Furthermore, the control module can calculate the sign and magnitude of the voltage difference output by the differential pressure calculation module, and control each relay combination to form different power circuits, so that the compensation module can selectively generate a positive boost compensation voltage or a reverse buck compensation voltage, thereby achieving symmetrical compensation. This eliminates the need for separate boost and buck circuits, simplifying the hardware architecture.

[0013] Furthermore, the voltage regulator device is also equipped with an expansion structure that connects the compensation module and the relay. The expansion structure is used to increase or decrease the number of multiple voltage segments and the corresponding number of relays, so as to realize the linear expansion of the compensation voltage range and the refinement of the compensation stage. Moreover, when adding a multiple voltage segment, there is no need to change the original current path and protection mechanism, and it is highly compatible with the original structure.

[0014] Furthermore, the compensation module, relay, voltage clamping unit, current protection unit, and energy protection unit are all electronic components or IC chips, and are integrated into the power circuit disposed on the circuit board; the compensation module is a tap structure composed of induction coils, and the reference voltage segment and the multiple voltage segment are both composed of induction coil taps of corresponding multiples; the relay is an electromagnetic relay or a solid-state relay, which directly serves as a power switching element to bear the compensation current; the detection module, differential voltage calculation module, control module, and output monitoring module are IC chips integrated on the circuit board or IC chips with corresponding functional software installed, and the circuit board is a calculation circuit group attached to one side of the power circuit.

[0015] Furthermore, the voltage clamping part is a varistor, the current protection part is a fuse, and the energy protection part is a resistive element. Each protection element is integrated with the compensation architecture and switching architecture to form a comprehensive transient protection, overcurrent protection and surge energy absorption mechanism.

[0016] The operating method of the compensated voltage regulator structure of the present invention includes the following steps: Voltage Input and Detection: The external voltage to be processed is connected to the power circuit from the voltage input terminal of the voltage regulator device. The detection module measures the input voltage at the voltage input terminal in real time and transmits the measured voltage signal to the differential pressure calculation module. Differential pressure calculation: After receiving the input voltage signal, the differential pressure calculation module compares it with the reference voltage of the reference voltage segment in the compensation module, calculates the difference between the input voltage and the reference voltage (including the sign and magnitude of the difference), and transmits the difference signal to the control module. Relay configuration control: The control module determines the required boost / buck type and compensation voltage amplitude based on the difference signal, and generates the corresponding control signal according to the preset logic to drive the multiple relays on the power circuit to open and close accordingly, so that the reference voltage segment and the corresponding multiple voltage segment are connected to the power circuit in a series / parallel combination. Voltage compensation: The compensation module generates a compensation voltage that matches the input voltage by combining the reference voltage segment and the multiple voltage segment. It performs forward boost or reverse buck compensation on the input voltage in the power circuit, so that the voltage tends to the preset rated output voltage. Output monitoring and correction: The output monitoring module measures the compensated voltage at the output terminal in real time. If the output voltage exceeds the preset allowable range, the output monitoring module drives the control module to re-execute steps 1-4 to adjust the on / off configuration of the relay until the output voltage falls within the allowable range, thus realizing closed-loop voltage correction. Full-process protection: Throughout the above steps, the voltage clamping unit limits transient overvoltage, the current protection unit cuts off abnormal current, and the energy protection unit absorbs the surge energy of relay switching, achieving comprehensive protection for the voltage regulator and downstream equipment.

[0017] The beneficial effects of the above-described technical solution of the present invention are as follows: 1. This invention uses a single voltage regulator device as its core. Through the combined design of a reference voltage range and multiple multiple voltage ranges, only a small number of compensation modules are needed to correspond to multiple input voltage ranges such as 110V, 220V, and 380V. There is no need to configure multiple independent voltage regulators for different voltage ranges, which effectively reduces the number of voltage regulators used, reduces equipment procurement, installation and maintenance costs, and significantly reduces the overall size of the equipment, improving space utilization. 2. The voltage segments of this invention are voltage segments with different multiples, which can be flexibly combined with the reference voltage segment in series / parallel, so that the compensation voltage presents a stepped form, reducing the voltage stage distance between each compensation voltage, solving the problem of fixed compensation stage distance and large compensation error in the middle interval of traditional technology, improving the resolution and accuracy of voltage compensation, and meeting the needs of high-precision power supply. 3. The control module of the present invention can control relays to form different power circuits according to the differential pressure value, so that the same set of compensation modules can realize both positive voltage boosting compensation and reverse voltage bucking compensation. There is no need to set up separate voltage boosting circuits and voltage bucking circuits, which realizes symmetrical compensation, simplifies the hardware architecture, keeps maintenance spare parts consistent, and improves the versatility and maintenance convenience of the equipment. 4. This invention uses a relay as a power switching element to directly bear the compensation current. Compared with traditional electronic voltage regulator modules, it has higher electrical withstand capability and surge protection capability. Moreover, the relay is low in cost and easy to maintain, making it suitable for high-current industrial applications. At the same time, each multiple voltage segment is an electrically independent modular structure, coupled only to the reference voltage segment through a common terminal, which improves the stability and maintainability of the circuit. 5. This invention integrates the voltage clamping unit, current protection unit, energy protection unit, compensation architecture, and switching architecture into a single design, thereby achieving transient overvoltage limitation, abnormal current cut-off, and surge energy absorption, solving the problems of external protection circuits and waveform sag in traditional technologies. At the same time, the output monitoring module realizes closed-loop voltage correction, effectively avoiding voltage instability caused by load changes or switching delays, and significantly improving the stability and reliability of the voltage regulator device. 6. This invention can flexibly increase or decrease the number of multiple voltage segments and corresponding relays by expanding the structure, thereby expanding the compensation voltage range and refining the compensation stage. When adding a multiple voltage segment, there is no need to change the original current path, protection mechanism and calculation circuit. It is highly compatible with the original structure and can be flexibly configured according to market demand, reducing the complexity of circuit design and improving the manufacturing and maintenance flexibility of the equipment. Attached Figure Description

[0018] Figure 1 This is a perspective view of an embodiment of the present invention; Figure 2 This is a flowchart of the action blocks according to an embodiment of the present invention; Figure 3 This is a circuit diagram of an embodiment of the present invention; Figure 4 This is a schematic representation of the compensation voltage corresponding to the relay opening and closing in an embodiment of the present invention; Figure 5 This is a structural block diagram of an embodiment of the present invention; Figure 6 This is a circuit diagram of an embodiment of the present invention.

[0019] Explanation of reference numerals in the attached figures: 1-Voltage regulator; 11-Voltage input terminal; 12-Power circuit; 13-Voltage output terminal; 131-Voltage clamping unit; 14-Energy protection unit; 2-Detection module; 3-Compensation module; 31-Reference voltage range; 32-Multiple voltage range; 4-Differential voltage calculation module; 5-Control module; 6-Relay; 61-Current protection unit; 7-Output monitoring module; 8-Expansion structure. Detailed Implementation

[0020] To make the technical problems, technical solutions and advantages of the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0021] Please refer to the appendix. Figure 1 To be continued Figure 4 Upon inspection, the accompanying drawings show a perspective view of an embodiment of the present invention and a schematic diagram of the compensation voltage corresponding to the opening and closing of the relay. From the drawings, it can be clearly seen that the present invention comprises the following components: A voltage regulator device 1 includes a voltage input terminal 11, a power circuit 12 connected to the voltage input terminal 11, and a voltage output terminal 13 connected to the power circuit 12, and further comprises: A detection module 2 is electrically connected to the voltage input terminal 11 for detecting and acquiring the input voltage; A compensation module 3 is disposed on one side of the detection module 2, and has a reference voltage segment 31 and multiple multiple voltage segments 32 located on one side of the reference voltage segment 31. A differential pressure calculation module 4 is located on one side of the detection module 2 and electrically connected to the compensation module 3, and is used to calculate the difference between the input voltage and the reference voltage segment 31; A control module 5 is electrically connected to the differential pressure calculation module 4 and is used to generate a control signal based on the calculated difference. Multiple relays 6 are respectively installed on the power circuit 12. They perform corresponding opening and closing actions according to the control signal, so that the reference voltage segment 31 and the multiple voltage segment 32 are connected to the power circuit 12 in combination, thereby allowing the compensation module 3 to generate a compensation voltage that matches the input voltage.

[0022] At least one voltage clamping part 131 is provided on one side of the voltage output terminal 13 to limit transient overvoltages within a safe range.

[0023] The power circuit 12 is equipped with at least one current protection part 61, which can cut off the power circuit 12 when an abnormal current passes through it.

[0024] Each relay 6 has at least one energy protection part 14 on one side to absorb the surge energy generated during the switching of each relay 6.

[0025] On one side of the voltage output terminal 13, there is also an output monitoring module 7. When the output voltage exceeds the preset allowable range value, it will drive the control module 5 to generate a new control signal.

[0026] The compensation module 3, each relay 6, voltage clamping unit 131, current protection unit 61, and energy protection unit 14 are all electronic components or chip ICs, and are integrated on the power circuit 12 disposed on the circuit board. The compensation module 3 adopts a tap structure composed of induction coils. The reference voltage segment 31 and the multiple voltage segment 32 also adopt this structure, only the corresponding voltage values ​​are different. In this embodiment, the reference voltage segment 31 is 220V, and the multiple voltage segment 32 is 1.5 times 330V and 3 times 660V, respectively. Therefore, in this embodiment, there are two multiple voltage segments 32. Each relay 6 is an electromagnetic or solid-state relay 6. In addition, the detection module 2, differential voltage calculation module 4, control module 5, and output monitoring module 7 are chip ICs integrated on a circuit board, or chip ICs with corresponding functional software. The circuit board can be a calculation circuit group attached to one side of the power circuit 12. Of course, the specific types of the above-mentioned components are only examples of preferred embodiments. All component types with the same function are within the protection scope of this invention and are not limited to the above examples.

[0027] The above explanation clarifies the structure of this technology. Relying on the cooperation of this structure, a more flexible compensation voltage can be provided using only a single voltage regulator device 1 and a small number of compensation modules 3. This offers advantages such as lower cost and higher compensation accuracy. When assembled according to the above components, it is clearly seen from the diagram that after the external power supply is connected to the voltage input terminal 11, the detection module 2 first measures the real-time input voltage, then transmits the measured value of the input voltage to the differential voltage calculation module 4. This value is compared with the reference voltage (e.g., 220V) of the reference voltage segment 31 to calculate the difference. The control module 5 then determines the required voltage boost or deboost based on this difference, thereby driving the corresponding relay 6 to open and close, allowing the reference voltage segment 31 and the multiple voltage segment 32 to be connected to the circuit in combination, forming the corresponding compensation voltage.

[0028] With attachment Figure 3Taking the circuit diagram as an example, L1, L2, and L3 on the left side of power circuit 12 together form compensation module 3, with taps of 660V, 330V, and 220V respectively. Therefore, L1 and L2 are multiple voltage segments 32, and L3 is the reference voltage segment 31. K1~K6 are relays 6, with relay K1 set after the reference voltage segment 31 of L3 and relay K3 set after the multiple voltage segment 32 of L1, used to select whether to connect the corresponding compensation voltage. Relays K2 and K6 determine whether to perform a boost or buck operation based on the calculated difference, thereby changing the direction of current connection. Simply put, the 0 and 1 states corresponding to the opening and closing actions of relay 6 are changed to the contact selection position of relay 6, allowing the common terminal to connect to the first path or the second path, thereby determining the connection polarity and combination method of compensation module 3. It does not simply indicate the conduction or disconnection of the circuit, allowing the same set of compensation modules 3 to be used for both boost and buck operations.

[0029] Specifically, taking an input voltage of 200V as an example, after the detection module 2 measures 200V, the differential voltage calculation module 4 determines that it differs from the 220V of the reference voltage segment 31 by -20V. The control module 5 then drives the corresponding relay 6 according to the preset logic (for example, K1 and K3 relays 6 are connected to the lower circuit, and K2, K4~K6 are connected to the upper circuit), so that the +20V compensation segment in the multiple voltage segment 32 is connected to the power circuit 12, and the compensation module 3 generates a +20V compensation voltage. If the input voltage is 240V, then the control module connects K1, K3, and K5 relays 6 to the lower circuit and K2, K4, and K6 relays 6 to the upper circuit, so that the multiple voltage segment 32 is connected to the power circuit 12 of the -20V compensation segment, and the compensation module 3 generates a -20V compensation voltage. This correspondence is presented in the form of a mapping table, which is the correspondence table between the opening and closing configurations of K1 to K6 and the compensation values. It serves as a reference for control module 5. However, the mapping table is only a way to implement control parameters. Its function is to convert the difference into the relay 6 configuration. The core is still the combination architecture of the reference voltage segment 31 and the multiple voltage segment 32.

[0030] As attached Figure 3 As shown in the circuit diagram, the compensation module 3 of the voltage regulator device 1 consists of a reference voltage segment 31 and multiple multiple voltage segments 32. Each multiple segment corresponds to a different voltage amplitude and is connected to the power circuit 12 through the contacts of relays K1~K6. At the same time, each multiple voltage segment 32 is electrically independent and is only coupled to the reference voltage segment 31 through a common terminal path. The control module 5 is only responsible for determining which voltage segments are connected and does not participate in the generation method within each voltage segment. This makes each multiple voltage segment 32 a separable independent functional unit, which facilitates the realization of a modular combined compensation architecture.

[0031] Each voltage multiplier segment 32 represents a different multiplier. Each multiplier voltage segment 32 can be selectively connected in series or parallel with the reference voltage segment 31, allowing the compensation voltage to present a stepped form and reducing the voltage level gap between each compensation voltage. For example, the multiplier voltage segment 32 can be set to different multipliers such as 10V, 20V, and 30V, and can be connected in series or parallel with the reference segment. Compared to the traditional compensation method where one compensation segment corresponds to one compensation value, this structure can generate multiple sets of stepped voltages with a small number of compensation modules 3, improving compensation resolution and voltage coverage, and avoiding the need for independent voltage regulators for each voltage range, thus offering significant advantages in cost and size. Furthermore, this invention uses a relay 6 as a power switching element, directly bearing the compensation current. Compared to semiconductor voltage regulator modules, it has higher electrical withstand capability and surge protection, and is also lower in cost and easier to maintain, making it suitable for industrial and high-current applications. Meanwhile, the same set of multiple voltage segments 32 can achieve forward boost or reverse buck through different relay configurations 6, without the need for separate boost and buck circuits, thus achieving symmetrical compensation, as shown in the attached diagram. Figure 4 As shown, in addition to displaying the compensation voltage values ​​corresponding to different input voltage ranges, each compensation voltage value exhibits a stepped decrease and increase, with symmetrical positive and negative values ​​at the beginning and end. This design simplifies the hardware architecture, standardizes maintenance spare parts, and improves adaptability to multi-voltage input environments.

[0032] The output monitoring module 7 can measure the compensated voltage. If the voltage does not fall within the allowable range, the detection module 2, the differential voltage calculation module 4, and the control module 5 are restarted to complete voltage detection, differential value calculation, and adjust the relay 6 configuration to form a closed-loop correction. This mechanism can avoid waveform sag caused by load changes or switching delays, thus improving output stability. The voltage clamping unit 131 is a varistor or Zener diode, used to limit transient overvoltages within a safe range. When equipment switching or external surges cause transient overvoltages, it can limit the voltage to a safe range, protecting downstream equipment and reducing the probability of relay 6 contact damage. The current protection unit 61 is located in the main power path. The current protection unit 61 is a fuse or a resettable fuse, used to cut off the power circuit 12 when abnormal current passes through. When a short circuit or abnormal load occurs, it can cut off the circuit in time to prevent the compensation module 3 from overheating or burning out, thus improving overall safety. The energy protection unit 14 is a resistor or capacitor, located in the relay 6 switching path, used to absorb the induced energy of the relay 6 during switching, reduce arcing and electromagnetic interference, extend the service life of the relay 6, and improve system reliability.

[0033] In summary, this invention, through the combination structure of the reference voltage segment 31 and the multiple voltage segment 32, allows a single voltage regulator device 1 to adapt to multiple input voltages. The mapping table is only used as a means for the control module 5 to convert the difference into the relay 6 configuration. Combined with voltage clamping, current protection and energy absorption mechanisms, the relay 6 compensation can operate stably, while having the characteristics of low cost and high tolerance.

[0034] Please refer to the appendix. Figure 5 and appendix Figure 6 Upon review, the attached drawings show the structural block diagram and circuit diagram of an embodiment of the present invention. It can be clearly seen from the figures that this embodiment is largely the same as the aforementioned embodiments, except that an expansion structure 8 connecting the compensation module 3 and the relay 6 is added inside the voltage regulator device 1. This expansion structure is used to increase or decrease the voltage multiples 32 and the corresponding relays 6. (See attached drawings.) Figure 6 As shown, if it is necessary to increase the compensable range of the compensation voltage or refine the compensation stage, simply add a set of taps or auxiliary coils to the compensation module 3 to form a new multiple voltage segment 32, and configure one or a set of relays 6 as its access path (as shown in the attached diagram). Figure 6 The L4 multiple voltage segment 32 and K7 relay 6 are added to the control module 5. This voltage segment is then connected to the existing reference voltage segment 31 at a common terminal node. Therefore, apart from adding a corresponding relationship to the control parameters of the control module 5, no changes are needed to the existing calculation circuit or other hardware structure. Adding the multiple voltage segment 32 will not affect the original current path and protection mechanism, resulting in extremely high compatibility. Overall, simply adding the multiple voltage segment 32 and the corresponding relay 6 expands the voltage compensation range without replacing the entire voltage regulator device 1 or adding a separate module. It has excellent linear expansion capabilities and can be configured with multiple multiple voltage segments 32 according to market demand, all sharing the same reference voltage segment 31 and protection circuit. This reduces the complexity of circuit design and improves maintenance and manufacturing flexibility. Furthermore, the newly added multiple voltage segment 32 is still uniformly protected by the voltage clamping unit 131, the current protection unit 61, and the energy protection unit 14, without disrupting the existing surge and energy absorption paths, ensuring high compatibility of the protection structure.

[0035] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A compensation regulator structure, characterized by, Includes a single voltage regulator device (1), the voltage regulator device (1) having a voltage input terminal (11), a power circuit (12) and a voltage output terminal (13), the power circuit (12) connecting the voltage input terminal (11) and the voltage output terminal (13), the voltage regulator device (1) internally integrating: The detection module (2) is electrically connected to the voltage input terminal (11) and is used to detect and obtain the input voltage of the voltage input terminal (11); The compensation module (3) is located on one side of the detection module (2) and electrically connected to the power circuit (12). The compensation module (3) has a reference voltage segment (31) and multiple multiple voltage segments (32) located on one side of the reference voltage segment (31). The differential pressure calculation module (4) is located on one side of the detection module (2) and electrically connected to the detection module (2) and the compensation module (3) respectively. It is used to calculate the difference between the input voltage and the reference voltage of the reference voltage segment (31). The control module (5) is electrically connected to the differential pressure calculation module (4) and is used to generate a control signal based on the difference. Multiple relays (6) are separately installed on the power circuit (12) and electrically connected to the control module (5) and the compensation module (3) respectively. They are used to open and close according to the control signal, so that the reference voltage segment (31) and the multiple voltage segment (32) are connected to the power circuit (12) in a combined manner, and the compensation module (3) generates a compensation voltage corresponding to the input voltage.

2. The compensation regulator structure according to claim 1, wherein, At least one voltage clamping part (131) is provided on one side of the voltage output terminal (13). The voltage clamping part (131) is a varistor or a Zener diode, used to limit transient overvoltages within a safe range.

3. The compensation regulator structure of claim 1, wherein, At least one current protection part (61) is provided on the main power supply path of the power circuit (12). The current protection part (61) is a fuse or a self-resetting fuse, which is used to cut off the power circuit (12) when an abnormal current passes through.

4. The compensation regulator structure of claim 1, wherein, Each of the relays (6) is provided with and electrically connected to at least one energy protection part (14) on one side. The energy protection part (14) is a resistive element or a capacitive element, used to absorb the surge energy generated when the relay (6) switches.

5. The compensation regulator structure of claim 1, wherein, An output monitoring module (7) is provided and electrically connected to one side of the voltage output terminal (13). The output monitoring module (7) is electrically connected to the control module (5) and is used to measure the compensated output voltage in real time. When the output voltage exceeds the preset allowable range value, the control module (5) is driven to generate a control signal again.

6. The compensated voltage regulator structure according to claim 1, characterized in that, Each of the multiple voltage segments (32) is a voltage segment with a different multiple, and each multiple voltage segment (32) is electrically independent of each other. Each multiple voltage segment (32) is selectively connected in series or in parallel with the reference voltage segment (31) so that the compensation voltage presents a stepped form.

7. The compensated voltage regulator structure according to claim 1, characterized in that, The control module (5) stores a mapping table between the difference and the on / off configuration of the relays (6). The control module (5) controls each relay (6) to form different power circuits according to the sign and magnitude of the difference, so that the compensation module (3) selectively generates a positive boost compensation voltage or a reverse buck compensation voltage.

8. The compensated voltage regulator structure according to claim 1, characterized in that, The compensation module (3) is a tap structure composed of induction coils. The reference voltage segment (31) and the multiple voltage segment (32) are both composed of induction coil taps of corresponding multiples. The relay (6) is an electromagnetic relay or a solid-state relay, which directly bears the compensation current as a power switching element.

9. The compensated voltage regulator structure according to claim 1, characterized in that, The voltage regulator device (1) is equipped with an expansion structure (8), which connects the compensation module (3) and the relay (6) to increase or decrease the number of multiple voltage segments (32) and the corresponding number of relays (6). The newly added multiple voltage segments (32) are connected to the reference voltage segment (31) through a common terminal node, and there is no need to change the current path and protection mechanism of the original power circuit (12).

10. The compensated voltage regulator structure according to any one of claims 1 to 9, characterized in that, The compensation module (3), relay (6), voltage clamping unit (131), current protection unit (61) and energy protection unit (14) are all electronic components or chip ICs, and are integrated on the power circuit (12) set on the circuit board; the detection module (2), differential pressure calculation module (4), control module (5) and output monitoring module (7) are chip ICs integrated on the circuit board or chip ICs with corresponding functional software installed, and the circuit board is a calculation circuit group attached to one side of the power circuit (12).

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