CN219227449U

CN219227449U - Voltage stabilizing device of rectifier bridge and rectifier bridge

Info

Publication number: CN219227449U
Application number: CN202223261555.0U
Authority: CN
Inventors: 冯仁博
Original assignee: Chongqing Daqo Tailai Electric Co Ltd
Current assignee: Chongqing Daqo Tailai Electric Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-06-20
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a voltage stabilizing device of a rectifier bridge and the rectifier bridge, which relate to the field of resistor installation and comprise a circuit board, first conductors, second conductors, first resistors and discharge modules, wherein the first conductors, the second conductors, the first resistors and the discharge modules are welded on the circuit board, a plurality of input hole sites and output hole sites are arranged on the circuit board, the hole sites are in one-to-one correspondence with all screw hole sites on the rectifier bridge, the first conductors are arranged on all input hole sites, the second conductors are arranged on all output hole sites, the hole sites are arranged on the conductors, the hole sites are arranged on the same position as the hole sites on the circuit board, the first resistors are arranged between every two first conductors, and the discharge modules are arranged between every two second conductors. The resistor is welded on the circuit board, so that the resistor can be effectively fixed, and the resistor is prevented from shaking; the resistor is connected with the conductor and the conductor is contacted with the screw, so that the contact area between the resistor and the screw can be increased, and the risk of broken contact of the resistor is avoided.

Description

Voltage stabilizing device of rectifier bridge and rectifier bridge

Technical Field

The utility model relates to the field of resistor installation, in particular to a voltage stabilizing device of a rectifier bridge and the rectifier bridge.

Background

The rectifier bridge is a device widely applied to the field of power conversion, screw hole sites are arranged on the rectifier bridge and serve as voltage input ends or voltage output ends, the lower parts of the screw hole sites face the voltage input ends or the voltage output ends in the rectifier bridge, in practical application, other devices usually contact the screw hole sites on the rectifier bridge through conductors such as wires or copper bars, the conductors are fixed at the screw hole sites through screws, the conductors are contacted with nuts of the screws, studs of the screws are contacted with the voltage input ends or the voltage output ends in the rectifier bridge, and therefore the purpose that the rectifier bridge is connected with other devices is achieved.

Because the anti-interference capability and the anti-power grid fluctuation of different rectifier bridges are different, the condition that the direct current bus voltage or the output voltage of the rectifier bridge fluctuates may occur, and therefore, the direct current bus voltage and the output voltage of the rectifier bridge need to be stabilized. For the three-phase rectifier bridge, in the prior art, in order to stabilize the voltage of the rectifier bridge, a resistor is arranged outside the rectifier bridge, please refer to fig. 1, fig. 1 is a schematic structural diagram of a rectifier bridge voltage stabilizing device in the prior art, a resistor is arranged between two voltage input ends, two pins of the resistor respectively extend into the two voltage input ends of the rectifier bridge, when a screw is inserted, the pins of the resistor are contacted with the screw, and the screw is contacted with the voltage input end inside the rectifier bridge, so that the purpose of connecting the resistor between the two voltage input ends is achieved; in the same way, resistors are also provided at the two voltage outputs. But the mode that stretches into the voltage input with the resistance pin does not fix the resistance body, and the resistance body rocks easily in the course of the work for the resistance is not hard up easily, produces the risk of breaking touch.

Disclosure of Invention

The utility model aims to provide a voltage stabilizing device of a rectifier bridge and the rectifier bridge, which can effectively fix a resistor and avoid the problems of resistor shaking and pin breakage; the contact area between the resistor and the screw can be increased, and the risk of broken contact of the resistor is avoided.

In order to solve the above technical problems, the present utility model provides a voltage stabilizing device of a rectifier bridge, including:

the circuit board, a plurality of first conductors, a plurality of second conductors, a plurality of first resistors and a plurality of discharge modules which are welded on the circuit board;

the circuit board is provided with a plurality of input hole sites and output hole sites, and each hole site on the circuit board is in one-to-one correspondence with each screw hole site on the rectifier bridge;

the first conductors are arranged on the input hole sites of the circuit board, one hole site is arranged on each first conductor, and the hole sites on the first conductors and the input hole sites are located at the same position;

the second conductors are arranged on the output hole sites of the circuit board, one hole site is arranged on each second conductor, and the hole sites on the second conductors and the output hole sites are positioned at the same position;

the first resistor is arranged between every two first conductors;

the discharge modules are arranged between every two second conductors.

Preferably, the discharging module includes:

a second resistor and a third resistor;

the first end of the second resistor is connected with one second conductor, and the second end of the second resistor is respectively connected with the first end of the third resistor and the ground;

the second end of the third resistor is connected with the other second conductor.

Preferably, the hole site on the circuit board includes:

the size of each input hole site on the circuit board is the same as the size of the screw hole site on the corresponding position of the rectifier bridge;

the size of each output hole site on the circuit board is the same as the size of the screw hole site on the corresponding position of the rectifier bridge.

Preferably, the resistance values of all the first resistors are the same.

Preferably, the first conductor and the second conductor are both pads.

Preferably, the first resistor is a varistor.

Preferably, the circuit board further comprises a plurality of conductive areas arranged on the circuit board;

each conductive area is in one-to-one contact with each first conductor and each second conductor.

Preferably, the conductive area includes the conductive area body and a plurality of heat dissipation holes.

Preferably, the conductive region is copper-clad.

The utility model also provides a rectifier bridge, which comprises a rectifier bridge body and a voltage stabilizing device of the rectifier bridge;

the rectifier bridge body is connected with the voltage stabilizing device of the rectifier bridge.

The utility model provides a voltage stabilizing device of a rectifier bridge and the rectifier bridge. The resistor can be effectively fixed by welding the resistor on the circuit board, so that the problems of resistor shaking and pin breakage are avoided; the resistor is connected with the conductor, and the conductor is contacted with the screw, so that the contact area between the resistor and the screw can be increased, and the risk of broken contact of the resistor is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a rectifier bridge voltage stabilizer of the prior art;

fig. 2 is a schematic structural diagram of a voltage stabilizing device of a rectifier bridge provided by the present application;

FIG. 3 is a schematic diagram of a three-phase rectifier bridge;

FIG. 4 is a schematic circuit diagram of a three-phase rectifier bridge;

fig. 5 is a schematic structural diagram of a voltage stabilizing device of a three-phase rectifier bridge provided by the application.

Detailed Description

The utility model has the core that the voltage stabilizing device of the rectifier bridge and the rectifier bridge are provided, so that the resistor can be effectively fixed, and the problems of resistor shaking and pin breakage are avoided; the contact area between the resistor and the screw can be increased, and the risk of broken contact of the resistor is avoided.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In general, a rectifying bridge in the market is a device for packaging a circuit part of the rectifying bridge in a closed container, wherein a plurality of screw hole sites are arranged on the closed container and lead to the outside, and in the case of a three-phase rectifying bridge, the closed container is arranged right above five positions of two output ends and three input ends of the circuit part of the rectifying bridge, and the screw hole sites are all arranged on the closed container and lead to the outside. When external equipment is connected with the rectifier bridge, if three-phase power supply equipment is connected with the rectifier bridge, each phase of power supply output end of the power supply equipment is respectively led out of a circuit, each circuit is respectively fixed at a hole site of each corresponding input end, a screw is inserted into the hole site, the circuit is pressed and fixed at the hole site of the input end by the screw, at the moment, the circuit of the power supply equipment is contacted with the screw, and after the screw is inserted into the hole site, the bottom of a stud is contacted with the input end of a circuit part of the rectifier bridge, so that the purpose of connecting the power supply equipment with the three-phase rectifier bridge is realized. Similarly, when the resistor is added to stabilize the voltage, the pins of the resistor are also connected to the rectifier bridge through the above screw fixing manner, but unlike the above external device, the resistor body is smaller and lighter, and because the resistor body is not fixed, the resistor body is easy to shake in the working process, so that the problems of loosening, breaking contact, even breaking pins and the like of the resistor may be caused.

In order to solve the above technical problems, please refer to fig. 2, fig. 2 is a schematic structural diagram of a voltage stabilizing device of a rectifier bridge provided in the present application, including:

a circuit board 1, a plurality of first conductors 2 soldered on the circuit board 1, a plurality of second conductors 3, a plurality of first resistors R1, and a plurality of discharge modules 4;

the circuit board 1 is provided with a plurality of input hole sites 5 and output hole sites 6, and each hole site on the circuit board 1 is in one-to-one correspondence with each screw hole site on the rectifier bridge;

the input hole sites 5 of the circuit board 1 are provided with first conductors, the first conductors 2 are provided with a hole site, and the hole sites on the first conductors 2 and the input hole sites 5 are positioned at the same position;

the second conductors are arranged on the output hole sites 6 of the circuit board 1, one hole site is arranged on the second conductor 3, and the hole sites on the second conductor 3 and the output hole sites 6 are positioned at the same position;

a first resistor R1 is arranged between every two first conductors 2;

a discharge module 4 is arranged between every two second electrical conductors 3.

The application provides a circuit board 1, the circuit board 1 is provided with a plurality of hole sites, the positions of the hole sites are completely consistent with those of the hole sites on a rectifier bridge, taking a three-phase rectifier bridge as an example, please refer to fig. 3, fig. 3 is a schematic structural diagram of the three-phase rectifier bridge, the overall size of the three-phase rectifier bridge is 94 mm long and 54 mm wide, a circular hole with a diameter of 6.5 mm is arranged on the left side for fixing the three-phase rectifier bridge on other equipment, a recess with a diameter of 6.5 mm is also arranged on the right side for fixing, three circular areas above the three-phase rectifier bridge are respectively circular hole sites of a three-phase voltage input end of the three-phase rectifier bridge, and two circular areas below are circular hole sites of an anode voltage output end and a cathode voltage output end of the three-phase rectifier bridge; the dimensions of the voltage input hole site 5 and the voltage output hole site 6 are suitable for M6 type screws, the distance between each voltage input hole site 5 is 26 mm, the error is 5 mm, the distance between each voltage input hole site 5 is 25 mm, the error is 5 mm, and the circle center of the voltage input hole site 5 and the circle center of the voltage output hole site 6 are separated by 27 mm, and the error is 5 mm. Based on this, in designing the circuit board 1, the number of holes on the circuit board 1 is at least equal to the sum of the holes on the input end and the holes on the output end of the rectifier bridge, no matter the size and shape of the circuit board 1, and each hole on the rectifier bridge must have one hole on the circuit board 1 at the same position, that is, each hole on the rectifier bridge must be able to pass through the circuit board 1 to the outside, so the center point of the hole on the rectifier bridge is generally consistent with the center point of the hole on the circuit board 1, so that the subsequent screw can pass through the circuit board 1 and be reinserted into the rectifier bridge; taking the three-phase rectifier bridge as an example, at least 5 hole sites are required on the circuit board 1, the 5 hole sites correspond to 3 voltage

input hole sites

5 and 2 voltage output hole sites 6 on the three-phase rectifier bridge one by one, and the circle centers of the hole sites on the circuit board 1 and the circle centers of the hole sites on the three-phase rectifier bridge are at the same position. Referring to fig. 4, fig. 4 is a schematic circuit structure diagram of a three-phase rectifier bridge, three ends with "-" symbols above fig. 4 are three voltage input ends of the rectifier bridge, and ports with positive and negative signs on the left and right sides of fig. 4 are two voltage output ends of the rectifier bridge, so that the bottom of a screw stud needs to contact the ports to achieve the purpose of connecting a resistor or external equipment into the rectifier bridge.

In order to fix the resistance, the present application welds the resistance to the circuit board 1, and also welds the first electrical conductor 2, the second electrical conductor 3, and the discharge module 4 to the circuit board 1. Specifically, because the resistor needs to contact the screw to make the screw contact with the circuit in the rectifier bridge to realize the purpose of connecting the resistor into the rectifier bridge, the resistor needs to be ensured to contact with the screw, on the basis, because the pin of the resistor is usually only a metal wire, if the pin of the resistor directly contacts with the screw, the contact area is smaller, and therefore, conductors are welded at each hole site, holes are also formed on the conductors, and the holes on the conductors are aligned with the holes on the rectifier bridge, so that the screw can pass through the conductors and the circuit board 1 and then be inserted into the rectifier bridge. The volume of the conductor is larger than that of the resistor pin, so that the contact area between the conductor and the screw is larger, the conductor is connected with the conductor through the resistor pin, the conductor is also in screw contact, the screw is in contact with the internal circuit of the rectifier bridge, and the purpose of connecting the resistor into the rectifier bridge can be realized. Because the conductor and the screw are welded on the circuit board 1, the connection stability can be ensured by welding. Similarly, the discharging module 4 is also connected with the second electric conductor 3, and the purpose of connecting the discharging module 4 into the rectifier bridge is achieved through the second electric conductor 3.

In summary, through setting up circuit board 1 and welding a plurality of first electric conductors 2, a plurality of second electric conductor 3, a plurality of first resistance R1 and a plurality of module 4 that discharge on circuit board 1, be provided with a plurality of input hole sites 5 and output hole sites 6 on the circuit board 1, each hole site one-to-one on the circuit board 1 sets up in the coplanar with each screw hole site on the rectifier bridge, all be provided with first electric conductor on each input hole site 5 of circuit board 1, be provided with a hole site on first electric conductor 2, the hole site on first electric conductor 2 is in the coplanar with input hole site 5, all be provided with the second electric conductor on each output hole site 6 of circuit board 1, be provided with a hole site on the second electric conductor 3, the hole site on the second electric conductor 3 is in the coplanar with output hole site 6, all be provided with first resistance R1 between every two first electric conductors 2, all be provided with the module 4 that discharges between every two second electric conductors 3. The resistor can be effectively fixed by welding the resistor on the circuit board 1, so that the problems of resistor shaking and pin breakage are avoided; the resistor is connected with the conductor, and the conductor is contacted with the screw, so that the contact area between the resistor and the screw can be increased, and the risk of broken contact of the resistor is avoided.

Based on the above embodiments:

as a preferred embodiment, the discharge module 4 comprises:

a second resistor R2 and a third resistor R3;

the first end of the second resistor R2 is connected with a second conductor 3, and the second end of the second resistor R2 is respectively connected with the first end of the third resistor R3 and the ground;

the second end of the third resistor R3 is connected to a further second electrical conductor 3.

In order to guarantee the normal work of rectifier bridge, in this application, consider the rectifier bridge in order to stabilize direct current bus voltage, can add more electric capacity in the internal circuit structure of rectifier bridge generally, carry out the wave filtering to direct current bus voltage through electric capacity to realize the purpose of stable direct current bus voltage, because the principle of electric capacity wave filtering is in order to absorb the ripple to electric capacity charging, after the electric capacity outage on the direct current bus, need in time discharge in order to guarantee that electric capacity can normally work when the next time. Based on this, referring to fig. 5, fig. 5 is a schematic structural diagram of a voltage stabilizing device of a three-phase rectifier bridge provided in the present application, two resistors connected in series may be used as a discharging module 4, after the capacitor is powered off, the capacitor in the rectifier bridge discharges to the ground through the two output ends on the rectifier bridge via the resistor, and the voltage division of the two resistors may ensure that the discharge voltage is not too large. Based on this, through discharging the electric capacity, can guarantee the normal work of rectifier bridge.

As a preferred embodiment, the hole sites on the circuit board 1 include:

the size of each input hole site 5 on the circuit board 1 is the same as the size of the screw hole site on the corresponding position of the rectifier bridge;

the dimensions of the respective output hole sites 6 on the circuit board 1 are the same as the dimensions of the screw hole sites on the corresponding positions of the rectifier bridge.

In order to fix the circuit board 1 well, in this application, considering that the circuit board 1 is disposed between the screw and the rectifier bridge body, the resistor on the circuit board 1 needs to be contacted with the screw by using the electric conductor to achieve the purpose of contacting the rectifier bridge, so the circuit board 1 can be fixed on the rectifier bridge by means of extrusion of the screw. Based on the above, the hole site size on the circuit board 1 is designed to be the same as the screw hole site on the rectifier bridge, namely the same stud radius, when the screw is inserted into the rectifier bridge, the circuit board 1 can not be moved because the hole site is larger than the screw hole site on the rectifier bridge, and the situation that the original screw on the rectifier bridge is incompatible because the hole site on the circuit board 1 is smaller than the screw hole site on the rectifier bridge is avoided. Further, the inner side of the hole site of the circuit board 1 may be threaded, and the circuit board 1 may be further fixed by increasing the contact surface between the circuit board 1 and the stud. Based on this, by providing hole sites of the same size, the circuit board 1 can be fixed well.

As a preferred embodiment, the resistance values of all the first resistors R1 are the same.

In order to reduce the complexity of the circuit, it is considered in this application that although the phase of the input voltage of each phase on the rectifier bridge is different, the amplitude of the input voltage of each phase is generally uniform, the voltage amplitude has an effect on the stability of the dc bus voltage, and the phase difference has substantially no effect on the stability. Therefore, the phase of the input voltage can be ignored, only the amplitude of the input voltage is considered, and as the amplitude of the input voltage of each phase is consistent, each actually selected first resistor R1 can be a resistor with consistent resistance value or even completely consistent resistance value, so that the complexity of a circuit is avoided, and the difficulty of selecting resistors with different resistance values to the daily maintenance of staff is avoided.

As a preferred embodiment, the first electrical conductor 2 and the second electrical conductor 3 are both pads.

The bonding pad is a structure responsible for electrical connection of components and parts, and is generally composed of a conductive body (such as copper foil) and a lead welded on the circuit board 1, when the pin of the first resistor R1 and the lead of the conductive body are mutually welded together, the purpose of connecting the first resistor R1 with the bonding pad is achieved, and the bonding pad is used as the first conductive body 2 to be in contact with a screw at the moment, so that the purpose of connecting the resistor into a rectifier bridge is achieved. Because the whole bonding pad is welded on the circuit board 1, and the resistor pins are connected with the bonding pad leads through welding, the connection stability between the resistor and the bonding pad can be ensured. For the bonding pad in actual use, a welding mode of a surface-mounted component or a welding mode of a pin-type component can be selected according to specific requirements of a user, the shape of a hole site on the bonding pad can be round or rectangular, and the bonding pad can be adopted according to the shape of a screw on a rectifier bridge. Furthermore, the bonding pad can be placed in the hole site of the circuit board 1, namely the hole site of the circuit board 1 is designed to be larger than the screw hole site of the rectifier bridge, then the bonding pad is placed in the hole site, the size of the hole site of the bonding pad is designed to be the same as the size of the screw hole site of the rectifier bridge, and finally the periphery of the bonding pad is welded with the inner side of the hole site of the circuit board 1, so that the bonding pad is fixed on the circuit board 1, and the protruding part of the circuit board 1 is reduced to ensure that the bottom of a stud of the screw can normally contact with an internal circuit of the rectifier bridge.

As a preferred embodiment, the first resistor R1 is a varistor.

In order to effectively stabilize the dc bus voltage, in the present application, considering that the amplitude of the dc bus voltage may change along with the change of the input load, the interference, and the charging state of the capacitor in the rectifier bridge during the practical application process of the rectifier bridge, if the dc bus voltage is stabilized by using the constant resistor, the situation that the excessively large dc bus voltage cannot be stabilized and the excessively small dc bus voltage is suppressed may occur, so that the resistance value of the resistor needs to change along with the magnitude of the dc bus voltage. The varistor is based on a resistor device with a non-linear volt-ampere characteristic, which corresponds to an infinite resistance when the voltage applied to the varistor is below its threshold value, and which corresponds to an infinitesimal resistance when the voltage applied to the varistor exceeds its threshold value. The amplitude of the input voltage can be maintained within a certain range by utilizing the characteristic that the resistance value of the piezoresistor is inversely related to the input voltage, so that the purpose of stabilizing the DC bus voltage is realized. Based on this, the dc bus voltage can be effectively stabilized.

As a preferred embodiment, it further comprises a plurality of conductive areas 7 provided on the circuit board 1;

the respective conductive areas 7 are in one-to-one contact with the respective first electrical conductors 2 and the respective second electrical conductors 3.

In order to ensure normal contact between the conductor and the screw, in the application, considering that the conductor and the screw are not permanently fixed in a welding manner, the contact area between the conductor and the screw is reduced only by the way of mutual contact due to uneven planes on the conductor and the screw, and when the contact area is too small, the temperature at the contact surface is increased, and the risk of disconnection is easily generated. Based on this, referring to fig. 5, fig. 5 is a schematic structural diagram of a voltage stabilizing device of a three-phase rectifier bridge provided in the present application, a conductive area 7 may be provided for each conductor, where the conductive area 7 is actually a thinner conductor covered on the circuit board 1, and the conductive area 7 may be laid around the conductor (as shown in fig. 5, for a circular conductor, a conductive area 7 with the same center as the conductor but a larger radius may be laid), so that the conductive area 7 serves as an extension area of the conductor, thereby increasing a contact area between the conductor and the screw. Based on this, normal contact between the conductor and the screw can be ensured.

As a preferred embodiment, the conductive area 7 comprises a conductive area 7 body and a plurality of heat dissipating holes.

In order to improve reliability, in this application, considering that the conductor can be made to generate heat when electric current passes through the conductor, because the input current of rectifier bridge is usually great, consequently can make the temperature of resistance and conductor department rise, because conductor and screw laminating for the contact area of conductor and external cold air reduces, and the heat that the screw heat dissipation brought is still received to the conductor in addition, makes the temperature of conductor department further rise. Based on this, in order to reduce the temperature of conductor department, can punch on the electrically conductive region 7 originally, through punching on electrically conductive region 7 for the heat of screw can be through these heat dissipation hole sites dissipation to the air, thereby reduce the influence of screw heat dissipation to conductor department temperature, guarantee that conductor and screw are in safe temperature environment, in order to improve the reliability of circuit board 1.

As a preferred embodiment, the conductive areas 7 are copper-clad.

Copper cladding is a method of filling a piece of empty space on a circuit board 1 with solid copper by taking the empty space as a reference plane, and the piece of space is called copper filling. Copper plating is also a feature of reducing ground impedance, improving anti-interference capability and reducing voltage drop on the premise of expanding the contact area between the conductor and the screw, so that the copper plating can be used as the conductive area 7 well.

The application also provides a rectifier bridge, which comprises a rectifier bridge body and the voltage stabilizing device of the rectifier bridge;

the rectifier bridge body is connected with a voltage stabilizing device of the rectifier bridge.

For a detailed description of a rectifier bridge provided in the present application, please refer to an embodiment of the voltage stabilizing device of the rectifier bridge, and the detailed description is omitted herein.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The rectifier bridge disclosed in the embodiment corresponds to the voltage stabilizing device of the rectifier bridge disclosed in the embodiment, so that the description is simpler, and the relevant points are only needed to be described by referring to the voltage stabilizing device part of the rectifier bridge.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, article or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A voltage regulator of a rectifier bridge, comprising:

the circuit board is provided with a plurality of input hole sites and output hole sites, and the positions of all the hole sites on the circuit board are in one-to-one correspondence with the positions of all the screw hole sites on the rectifier bridge;

the first resistor is arranged between every two first conductors;

the discharge modules are arranged between every two second conductors.

2. The rectifier bridge voltage regulator of claim 1, wherein said discharge module comprises:

a second resistor and a third resistor;

3. The rectifier bridge voltage regulator of claim 1, wherein said hole site on said circuit board comprises:

4. The rectifier bridge voltage regulator of claim 1, wherein all of said first resistors have the same resistance.

5. The rectifier bridge voltage regulator of claim 1, wherein said first electrical conductor and said second electrical conductor are pads.

6. The rectifier bridge voltage regulator of claim 1, wherein said first resistor is a varistor.

7. The rectifier bridge voltage regulator of any one of claims 1 to 6, further comprising a plurality of conductive areas disposed on said circuit board;

8. The rectifier bridge voltage regulator of claim 7, wherein said conductive region includes said conductive region body and a plurality of heat dissipating holes.

9. The rectifier bridge voltage regulator of claim 7, wherein said conductive areas are copper clad.

10. A rectifier bridge comprising a rectifier bridge body and a voltage regulator of the rectifier bridge according to any one of claims 1 to 9;