Capacitor Wiring Device

Abstract

The present application provides a capacitor wiring device. The above-mentioned capacitor wiring device includes a wire board assembly and a capacitor assembly; the wire board assembly includes two relatively arranged first circuit boards and a second circuit board, and each of the first circuit board and the second circuit board has a plurality of conductive lines; the capacitor assembly includes a first non-polar capacitor, a second non-polar capacitor, a third non-polar capacitor and a first bridge-shaped conductive member. The first end of the first non-polar capacitor is electrically connected to the first end of the second non-polar capacitor, and the second end of the second non-polar capacitor is electrically connected to the second end of the third non-polar capacitor; the first end of the first bridge-shaped conductive member is connected to the first end of the third non-polar capacitor, and the second end of the first bridge-shaped conductive member is connected to the second end of the first non-polar capacitor. Each non-polar capacitor is connected through the conductive lines on the circuit board, without the need for mutual interpenetration connection through wires.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular, to a capacitor wiring device. Background Art

[0002] Currently, in the industrial high-frequency rectifier power supply industry, since the input used is high-frequency alternating current, in order to provide stable direct current, it usually needs to go through a rectifier circuit and a filter circuit. Among them, the filter circuit usually uses a capacitor with a relatively large capacitance to meet the withstand voltage of the external high voltage, and the rectifier circuit usually uses a rectifier bridge circuit. For example, an insulated gate bipolar transistor (IGBT) or a metal-oxide-semiconductor field-effect transistor (MOSFET) is used to form a full-bridge rectifier circuit.

[0003] However, there are many connection points in the filter circuit and the full-bridge rectifier circuit itself and between the two circuits, and multiple wires need to be used for interlaced connection. The interlaced connection method of multiple wires has the following defects: First, due to the large number of connection points and connecting wires, the overall structure is messy and complex; second, due to the large number of wires and connection points, the workload of stripping wires, welding wire ears, shrinking tubes, and character tubes during connection is large, directly resulting in an increase in labor costs. Summary of the Invention

[0004] An object of the present invention is to overcome the deficiencies in the prior art and provide a capacitor wiring device with a simple structure and convenient disassembly and assembly.

[0005] The object of the present invention is achieved by the following technical solutions:

[0006] A capacitor wiring device, comprising: a wire board assembly and a capacitor assembly; the wire board assembly includes two relatively arranged first circuit boards and a second circuit board, and there are multiple conductive circuits in both the first circuit board and the second circuit board; the capacitor assembly includes a first non-polar capacitor, a second non-polar capacitor, a third non-polar capacitor, and a first bridge conductive member. The first non-polar capacitor, the second non-polar capacitor, and the third non-polar capacitor are located between the first circuit board and the second circuit board. The first non-polar capacitor, the second non-polar capacitor, and the third non-polar capacitor are respectively connected to the first circuit board and the second circuit board, so that the first end of the first non-polar capacitor is electrically connected to the first end of the second non-polar capacitor, the second end of the second non-polar capacitor is electrically connected to the second end of the third non-polar capacitor, and both ends of the first non-polar capacitor are respectively used for connecting to an external AC power supply; the first end of the first bridge conductive member is connected to the first end of the third non-polar capacitor, and the second end of the first bridge conductive member is connected to the second end of the first non-polar capacitor.

[0007] In one embodiment, the wire board assembly further includes a first voltage dividing resistor and a second voltage dividing resistor. The first voltage dividing resistor and the second voltage dividing resistor are both welded to the first circuit board, so that the first end of the first voltage dividing resistor is electrically connected to the first end of the third non-polar capacitor, the second end of the first voltage dividing resistor is connected to the first end of the second voltage dividing resistor, and the second end of the second voltage dividing resistor is electrically connected to the first end of the second non-polar capacitor.

[0008] In one embodiment, the capacitance value of the second non-polar capacitor is equal to the capacitance value of the third non-polar capacitor, the resistance value of the first voltage dividing resistor is equal to the resistance value of the second voltage dividing resistor, and the second end of the first voltage dividing resistor is used for outputting a midpoint voltage.

[0009] In one embodiment, the wire board assembly further includes a second bridge conductive member. The first end of the second bridge conductive member is electrically connected to the second end of the first voltage dividing resistor, and the second end of the second bridge conductive member is connected to the second circuit board. The second bridge conductive member is used for outputting a detection voltage.

[0010] In one embodiment, the first circuit board is provided with a first bridge through hole, and the second circuit board is provided with a second bridge through hole. The first end of the second bridge conductive member passes through the first bridge through hole, and the second end of the second bridge conductive member passes through the second bridge through hole.

[0011] In one embodiment, the first circuit board includes a first board body, a first conductive trace, a second conductive trace, and a third conductive trace. The first conductive trace, the second conductive trace, and the third conductive trace are all disposed on the first board body. The first board body has two first accommodation spaces and two second accommodation spaces. The first bridge through hole corresponds to the first conductive trace, the two first accommodation spaces correspond to the second conductive trace, and the two second accommodation spaces correspond to the third conductive trace. The first end of the second bridge conductive member passes through the first bridge through hole and is connected to the first conductive trace. The first end of the first non-polar capacitor and the first end of the second non-polar capacitor are respectively located in one of the first accommodation spaces and are connected to the second conductive trace. The first end of the third non-polar capacitor and the first end of the first bridge conductive member are respectively located in one of the second accommodation spaces and are connected to the third conductive trace. Wherein, the first conductive trace is further connected to the second end of the first voltage dividing resistor and the first end of the second voltage dividing resistor; the second circuit board includes a second board body, a fourth conductive trace, and a fifth conductive trace. The second board body has two third accommodation spaces and two fourth accommodation spaces. The two third accommodation spaces correspond to the fourth conductive trace, and the two fourth accommodation spaces correspond to the fifth conductive trace. The second end of the first bridge conductive member and the second end of the first non-polar capacitor are respectively located in one of the third accommodation spaces and are connected to the fourth conductive trace. The second end of the second non-polar capacitor and the second end of the third non-polar capacitor are respectively located in one of the fourth accommodation spaces and are connected to the fifth conductive trace.

[0012] In one embodiment, the wire board assembly further includes a plurality of solder leakage conductive members, and each solder leakage conductive member is connected to a conductive line.

[0013] In one embodiment, the capacitor wiring device further includes a base, a first mounting bracket, and a second mounting bracket. The first mounting bracket and the second mounting bracket are both connected to the base. The first mounting bracket is respectively connected to the first end of each non-polar capacitor and the first circuit board. The second mounting bracket is respectively connected to the second end of each non-polar capacitor and the second circuit board.

[0014] In one embodiment, the first mounting bracket is provided with a plurality of first mounting holes, and the second mounting bracket is provided with a plurality of second mounting holes. The first end of each non-polar capacitor passes through one of the first mounting holes, and the second end of each non-polar capacitor passes through one of the first mounting holes.

[0015] In one embodiment, the first mounting bracket is provided with oblong holes, and the capacitor wiring device further includes a positioning pin which is inserted into the oblong holes and connected to the base. The oblong holes are used to adjust the distance between the positioning pin and the first mounting bracket.

[0016] Compared with the prior art, the present invention has at least the following advantages:

[0017] The non-polar capacitors are connected to each other through the conductive circuits on the circuit board. The first circuit board and the second circuit board are electrically connected through the first bridge-shaped conductive member, making the electrical connection between the non-polar capacitors simple. There is no need to interpenetrate and connect with wires, so that the structure of the capacitor wiring device is simple. At the same time, when disassembling and assembling the circuit, only the circuit board needs to be replaced, improving the convenience of disassembly and assembly. Moreover, the use of the circuit board also facilitates the batch and mechanized production of the capacitor wiring device, improving the automation level of the production and manufacturing of the capacitor wiring device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic diagram of the capacitor wiring device in one embodiment;

[0020] Figure 2 For Figure 1 The circuit diagram corresponding to the capacitor wiring device shown;

[0021] Figure 3 For Figure 1 A schematic diagram of another perspective of the capacitor wiring device shown;

[0022] Figure 4 For Figure 1 A schematic diagram of the first circuit board of the capacitor wiring device shown;

[0023] Figure 5 For Figure 1 A schematic diagram of the second circuit board of the capacitor wiring device shown;

[0024] Figure 6 It is a schematic structural diagram of the capacitor wiring device in another embodiment;

[0025] Figure 7 For Figure 6 A three-dimensional cross-sectional view of the capacitor wiring device shown;

[0026] Figure 8 Explosion schematic diagram of the capacitor wiring device shown Figure 6 as shown

[0027] Figure 9 Explosion schematic diagram of a part of the capacitor wiring device shown Figure 8 as shown Detailed implementation manners

[0028] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention can be understood more thoroughly and comprehensively.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only embodiments.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0031] The present invention relates to a capacitor wiring device. In one embodiment, the capacitor wiring device includes a base, a circuit board assembly, and a capacitor assembly. The circuit board assembly includes two relatively arranged first circuit boards and second circuit boards. Each of the first circuit board and the second circuit board has a plurality of conductive lines therein. The capacitor assembly includes a first non-polar capacitor, a second non-polar capacitor, a third non-polar capacitor, and a first bridge-shaped conductive member. The first non-polar capacitor, the second non-polar capacitor, and the third non-polar capacitor are located between the first circuit board and the second circuit board. The first non-polar capacitor, the second non-polar capacitor, and the third non-polar capacitor are respectively connected to the first circuit board and the second circuit board, so that the first end of the first non-polar capacitor is electrically connected to the first end of the second non-polar capacitor, the second end of the second non-polar capacitor is electrically connected to the second end of the third non-polar capacitor, and both ends of the first non-polar capacitor are respectively used for connecting to an external AC power supply. The first end of the first bridge-shaped conductive member is connected to the first end of the third non-polar capacitor, and the second end of the first bridge-shaped conductive member is connected to the second end of the first non-polar capacitor. The non-polar capacitors are connected to each other through the conductive lines on the circuit board, and the first circuit board and the second circuit board are electrically connected through the first bridge-shaped conductive member, so that the electrical connection between the non-polar capacitors is simple, without the need for interpenetrating connection through wires. Thus, the structure of the capacitor wiring device is simple. At the same time, when disassembling and assembling the circuit, only the circuit board needs to be replaced, which improves the convenience of disassembly and assembly. Moreover, the use of the circuit board also facilitates the batch and mechanized production of the capacitor wiring device, improving the automation level of the production and manufacturing of the capacitor wiring device.

[0032] Please refer to Figure 1 , which is a schematic structural diagram of the capacitor wiring device according to an embodiment of the present invention.

[0033] The capacitor wiring device 26 according to an embodiment includes a base 100, a circuit board assembly 200, and a capacitor assembly 300. The circuit board assembly 200 includes two relatively arranged first circuit boards 210 and second circuit boards 220. The first circuit board 210 and the second circuit board 220 are both connected to the base 100. Among them, each of the first circuit board 210 and the second circuit board 220 has a plurality of conductive lines therein. Please refer to Figure 2, the capacitor assembly 300 includes a first non-polar capacitor 310, a second non-polar capacitor 320, a third non-polar capacitor 330, and a first bridge conductive member 340. The first non-polar capacitor 310, the second non-polar capacitor 320, and the third non-polar capacitor 330 are located between the first circuit board 210 and the second circuit board 220. The first non-polar capacitor 310, the second non-polar capacitor 320, and the third non-polar capacitor 330 are respectively connected to the first circuit board 210 and the second circuit board 220, so that the first end of the first non-polar capacitor 310 is electrically connected to the first end of the second non-polar capacitor 320, the second end of the second non-polar capacitor 320 is electrically connected to the second end of the third non-polar capacitor 330, and both ends of the first non-polar capacitor 310 are respectively used for connecting to an external AC power supply. The first end of the first bridge conductive member 340 is connected to the first end of the third non-polar capacitor 330, and the second end of the first bridge conductive member 340 is connected to the second end of the first non-polar capacitor 310.

[0034] In this embodiment, the first non-polar capacitor serves as a DC filter capacitor. The second non-polar capacitor and the third non-polar capacitor form a half-bridge circuit, replacing one half-bridge in the full-bridge rectifier circuit, that is, the second non-polar capacitor and the third non-polar capacitor replace two electronic switching tubes on one branch of the full-bridge circuit. For example, the electronic switching tubes are insulated gate bipolar transistors (IGBTs, Insulated Gate Bipolar Transistors) or metal-oxide-semiconductor field-effect transistors (MOSFETs, Metal-Oxide-Semiconductor Field-Effect Transistors). The non-polar capacitors are connected to each other through conductive lines on the circuit board. The first circuit board 210 and the second circuit board 220 are electrically connected through the first bridge conductive member 340, making the electrical connection between the non-polar capacitors simple without the need for wire interlacing. As a result, the structure of the capacitor wiring device is simple. Also, when disassembling and assembling the circuit, only the circuit board needs to be replaced, improving the disassembly and assembly convenience. Moreover, the use of the circuit board also facilitates the batch and mechanized production of the capacitor wiring device, improving the automation level of the production and manufacturing of the capacitor wiring device. Among them, the conductive lines are copper foil lines on the circuit board. The ends of the non-polar capacitors on the same circuit board are connected through the conductive lines on the circuit board. For example, there is a conductive line on the first circuit board 210 that connects the first end of the first non-polar capacitor 310 to the first end of the second non-polar capacitor 320, and there is a conductive line on the second circuit board 220 that connects the second end of the second non-polar capacitor 320 to the second end of the third non-polar capacitor 330.

[0035] In another embodiment, the first non-polar capacitor 310, the second non-polar capacitor 320, and the third non-polar capacitor 330 are non-polar capacitors with equal capacitance values, such that the first non-polar capacitor 310, the second non-polar capacitor 320, and the third non-polar capacitor 330 are connected in series. Regardless of which two ends of the non-polar capacitor are connected to the positive and negative poles of the external AC power supply, the other two will automatically form a half-bridge circuit. That is, when the two ends of one of the non-polar capacitors are respectively connected to the positive and negative poles of the external AC power supply, the other two non-polar capacitors are connected in series, and the non-polar capacitor connected to the external AC power supply is connected in parallel with the other two series-connected non-polar capacitors. The non-polar capacitor connected to the external AC power supply serves as a filter capacitor, and the two series-connected non-polar capacitors form a half-bridge module. For example, when the second non-polar capacitor 320 in the middle is connected to the external AC power supply, that is, the second non-polar capacitor 320 serves as a filter capacitor. Through the first bridge conductive member 340, the conductive lines on the first circuit board 210, and the conductive lines on the second circuit board 220, the first non-polar capacitor 310 and the third non-polar capacitor 330 on both sides of the second non-polar capacitor 320 are connected in series to form a half-bridge circuit. At this time, the first non-polar capacitor 310 and the third non-polar capacitor 330 are the half-bridge capacitors.

[0036] In one of the embodiments, please refer to Figure 3 , the wire board assembly 200 further includes a first voltage-dividing resistor 240 and a second voltage-dividing resistor 250. The first voltage-dividing resistor 240 and the second voltage-dividing resistor 250 are both soldered on the first circuit board 210, so that the first end of the first voltage-dividing resistor 240 is electrically connected to the first end of the third non-polar capacitor 330, the second end of the first voltage-dividing resistor 240 is connected to the first end of the second voltage-dividing resistor 250, and the second end of the second voltage-dividing resistor 250 is electrically connected to the first end of the second non-polar capacitor 320. In this embodiment, the first end of the first voltage-dividing resistor 240 is connected to the first end of the third non-polar capacitor 330 through the conductive lines on the first circuit board 210, the second end of the first voltage-dividing resistor 240 is also connected to the first end of the second voltage-dividing resistor 250 through the conductive lines on the first circuit board 210, and the second end of the second voltage-dividing resistor 250 is still connected to the first end of the second non-polar capacitor 320 through the conductive lines on the first circuit board 210, such that the first voltage-dividing resistor 240 and the second voltage-dividing resistor 250 are connected in series, and moreover, they are connected in series between the first end of the third non-polar capacitor 330 and the first end of the second non-polar capacitor 320. In this way, after power-on, the first non-polar capacitor 310 serves as a filter capacitor, and the voltages on the second non-polar capacitor 320 and the third non-polar capacitor 330 are applied to the first voltage-dividing resistor 240 and the second voltage-dividing resistor 250. At this time, the second end of the first voltage-dividing resistor 240 or the first end of the second voltage-dividing resistor 250 is used to output the divided voltage on the second non-polar capacitor 320 and the third non-polar capacitor 330 to obtain the corresponding divided voltage.

[0037] Further, the capacitance value of the second non-polar capacitor 320 is equal to that of the third non-polar capacitor 330, the resistance value of the first voltage-dividing resistor 240 is equal to that of the second voltage-dividing resistor 250, and the second end of the first voltage-dividing resistor 240 is used to output the midpoint voltage. In this embodiment, the capacitance value of the second non-polar capacitor 320 is equal to that of the third non-polar capacitor 330, which is convenient for evenly dividing the voltage output by the external AC power supply and serves to replace two switching tubes of a rectifier bridge arm. And the resistance value of the first voltage-dividing resistor 240 is equal to that of the second voltage-dividing resistor 250, making the voltage division on the first voltage-dividing resistor 240 and the second voltage-dividing resistor 250 more balanced, thereby improving the balance of the midpoint voltage output at the second end of the first voltage-dividing resistor 240 and facilitating the output of a midpoint voltage with balanced output voltage.

[0038] Still further, please refer to Figure 3 , the line board assembly 200 further includes a second bridge-shaped conductive member 260. The first end of the second bridge-shaped conductive member 260 is electrically connected to the second end of the first voltage-dividing resistor 240, and the second end of the second bridge-shaped conductive member 260 is connected to the second circuit board 220. The second bridge-shaped conductive member 260 is used to output a detection voltage. In this embodiment, the second bridge-shaped conductive member 260 is connected to the first voltage-dividing resistor 240. The second bridge-shaped conductive member 260 serves as a lead for the second end of the first voltage-dividing resistor 240, facilitating the extraction of the voltage division on the second non-polar capacitor 320 and the third non-polar capacitor 330, so that the clip of the detection device can be clamped. That is, the second bridge-shaped conductive member 260 provides a position for clamping the voltage division of the second end of the first voltage-dividing resistor 240.

[0039] Even further, please refer to Figure 1 and Figure 3, the first circuit board 210 is provided with a first bridge through hole 212, the second circuit board 220 is provided with a second bridge through hole 222, the first end of the second bridge conductive member 260 is inserted into the first bridge through hole 212, and the second end of the second bridge conductive member 260 is inserted into the second bridge through hole 222. In this embodiment, the first bridge through hole 212 corresponds to a connection point on the first circuit board 210, and the second bridge through hole 222 corresponds to a connection point on the second circuit board 220. For example, at the positions of the first bridge through hole 212 and the second bridge through hole 222, pads are provided to facilitate the electrical connection of the ends of each non-polar capacitor to the conductive lines on the circuit board. Moreover, the first bridge through hole 212 penetrates the first circuit board 210, and the second bridge through hole 222 penetrates the second circuit board 220, facilitating the installation and connection of the ends of each non-polar capacitor on the circuit board, realizing the detachable connection between each circuit board and each non-polar capacitor, and improving the convenience of disassembling and assembling the capacitor wiring device.

[0040] In one embodiment, please refer to Figure 1 and Figure 4 , the first circuit board 210 includes a first board body 214, a first conductive trace 216, a second conductive trace 218, and a third conductive trace 211. The first conductive trace 216, the second conductive trace 218, and the third conductive trace 211 are all disposed on the first board body 214. The first board body 214 has two first accommodation spaces 2142 and two second accommodation spaces 2144. The first bridge through hole 212 is correspondingly disposed with the first conductive trace 216. The two first accommodation spaces 2142 are correspondingly disposed with the second conductive trace 218. The two second accommodation spaces 2144 are correspondingly disposed with the third conductive trace 211. The first end of the second bridge conductive member 260 is inserted into the first bridge through hole 212 and connected to the first conductive trace 216. The first ends of the first non-polar capacitor 310 and the second non-polar capacitor 320 are respectively located in one of the first accommodation spaces 2142 and connected to the second conductive trace 218. The first ends of the third non-polar capacitor 330 and the first bridge conductive member 340 are respectively located in one of the second accommodation spaces 2144 and connected to the third conductive trace 211. Among them, the first conductive trace 216 is also connected to the second end of the first voltage dividing resistor 240 and the first end of the second voltage dividing resistor 250; please refer to Figure 5, the second circuit board 220 includes a second board body 224, a fourth conductive trace 226, and a fifth conductive trace 228. The second board body 224 has two third accommodation spaces 2242 and two fourth accommodation spaces 2244. The two third accommodation spaces 2242 correspond to the fourth conductive trace 226, and the two fourth accommodation spaces 2244 correspond to the fifth conductive trace 228. The second end of the first bridge-shaped conductive member 340 and the second end of the first non-polar capacitor 310 are respectively located in one of the third accommodation spaces 2242 and are connected to the fourth conductive trace 226. The second end of the second non-polar capacitor 320 and the second end of the third non-polar capacitor 330 are respectively located in one of the fourth accommodation spaces 2244 and are connected to the fifth conductive trace 228. In this embodiment, the first conductive trace 216, the second conductive trace 218, the third conductive trace 211, the fourth conductive trace 226, and the fifth conductive trace 228 are conductive circuits on the corresponding circuit boards. The first bridge-shaped through hole exposes a part of the copper foil of the first conductive trace 216 to facilitate electrical connection with the second bridge-shaped conductive member. Each accommodation space exposes a part of the copper foil of the corresponding conductive trace to facilitate the electrical connection between the end of each non-polar capacitor and the corresponding conductive trace, so as to facilitate the formation of a half-bridge filter circuit to replace one half-bridge in the traditional filter full-bridge rectifier circuit formed by IGBT tubes or MOS tubes, that is, to replace a branch in the filter full-bridge rectifier circuit. In another embodiment, each accommodation space is a through hole penetrating the corresponding circuit board to facilitate the penetration of the ends of the non-polar capacitors and the ends of each bridge-shaped conductive member.

[0041] In one embodiment, please refer to Figure 1 and Figure 2, the wire board assembly 200 further includes a plurality of solder leakage conductive members 230, and each solder leakage conductive member 230 is connected to a conductive line. In this embodiment, since each non-polar capacitor is an electrolytic capacitor with a large capacitance value, after power-on, the current on the conductive lines of each circuit board is relatively large. In order to enable the circuit board to withstand the large current, solder paste is attached to the conductive lines through the solder leakage process, so that in addition to the conductive lines, there are also solder leakage conductive members between the ends connecting the non-polar capacitors, that is, the solder leakage conductive members and the conductive lines are arranged in one-to-one correspondence. In this way, the conductive resistance between the non-polar capacitors on the same circuit board increases, facilitating the conductive lines on the circuit board to withstand a larger current, ensuring the normal operation of each circuit board, reducing the probability of circuit board damage, and extending the service life of the capacitor wiring device. In another embodiment, the solder leakage conductive member is metallic tin, and after being connected to the conductive line, it also has the function of dissipating the heat generated by the large current on the conductive line to improve the heat dissipation performance of the circuit board. Among them, each solder leakage conductive member 230 communicates with the accommodation grooves on the corresponding conductive traces, that is, on the same conductive trace, the solder leakage conductive member 230 and the copper foils exposed in the corresponding accommodation spaces are in contact, facilitating the increase in the resistance between the ends of the non-polar capacitors on the same conductive trace.

[0042] In one embodiment, please also refer to Figure 1 and Figure 3 , the capacitor wiring device 26 further includes a first mounting bracket 400 and a second mounting bracket 500 both connected to the base 100. The first mounting bracket 400 is respectively connected to the first ends of the non-polar capacitors and the first circuit board 210, and the second mounting bracket 500 is respectively connected to the second ends of the non-polar capacitors and the second circuit board 220. In this embodiment, the first mounting bracket 400 and the second mounting bracket 500 are arranged opposite to each other. The first mounting bracket 400 serves as the support seat of the first circuit board 210 on the base 100, and the second mounting bracket 500 serves as the support seat of the second circuit board 220 on the base 100, facilitating the support of the first circuit board 210 and the second circuit board 220, thereby facilitating the support of each non-polar capacitor and reducing the contact between each non-polar capacitor and the base 100.

[0043] Further, the first mounting bracket is provided with a plurality of first mounting holes, and the second mounting bracket is provided with a plurality of second mounting holes. The first end of each non-polar capacitor is inserted into one of the first mounting holes, and the second end of each non-polar capacitor is inserted into one of the first mounting holes. In this embodiment, the non-polar capacitors are located between the first circuit board and the second circuit board, and the first circuit board and the second circuit board clamp the non-polar capacitors. Each first mounting hole houses the first end of a non-polar capacitor, and each second mounting hole houses the second end of a non-polar capacitor, facilitating the clamping of the non-polar capacitors on the circuit board, realizing the detachable connection between the non-polar capacitors and the circuit board, thereby facilitating the disassembly and assembly of the circuit boards and the non-polar capacitors, and improving the maintenance convenience of the capacitor wiring device.

[0044] Still further, please refer to Figure 3 , the first mounting bracket 400 is provided with a waist-shaped hole 402. The capacitor wiring device further includes a positioning pin, and the positioning pin is inserted into the waist-shaped hole 402 and connected to the base 100. The waist-shaped hole 402 is used to adjust the distance between the positioning pin and the first mounting bracket 400. In this embodiment, the first mounting bracket 400 mounts the first circuit board 210 on the base 100. The positioning pin is inserted into the waist-shaped hole 402 and is also connected to the base 100, facilitating the mounting of the first mounting bracket 400 on the base 100. The waist-shaped hole 402 is a long through hole. When the positioning pin is inserted into it, by adjusting the position of the positioning pin in the waist-shaped hole 402, it is convenient to move the position of the first mounting bracket 400 on the base 100, that is, to adjust the distance between the first mounting bracket 400 and the second mounting, so as to be suitable for the installation of non-polar capacitors of different specifications, and improve the installation adaptability of the capacitor wiring device.

[0045] In one embodiment, please refer to Figure 6 and Figure 7 , the capacitor wiring device further includes a chassis 12 and a heat dissipation module 14. An accommodation cavity 12a, an air inlet hole 12b, and an air outlet hole 12c are formed in the chassis 12, and both the air inlet hole 12b and the air outlet hole 12c communicate with the accommodation cavity 12a. Further, the heat dissipation module 14 includes a mounting heat conduction shell 14a and a heat dissipation component 14b. The mounting heat conduction shell 14a is formed with an air inlet 142, a heat dissipation cavity 144, and an air outlet 146. The air inlet 142 communicates with the air outlet 146 through the heat dissipation cavity 144. The mounting heat conduction shell 14a is used to be disposed in the chassis 12, that is, the mounting heat conduction shell 14a is located in the accommodation cavity 12a and connected to the chassis 12.

[0046] As Figure 7 and Figure 8 shown, further, the air inlet 142 communicates with the outside of the chassis 12 through the air inlet hole 12b, and the air outlet 146 communicates with the outside of the chassis 12 through the air outlet hole 12c, so that the air flow outside the chassis 12 can flow into the air inlet 142 through the air inlet hole 12b. At the same time, the air flow in the heat dissipation cavity 144 can also flow out to the outside of the chassis 12 through the air outlet hole 12c. Further, the heat dissipation component 14b is arranged in the heat dissipation cavity and connected to the installation heat conduction shell cover 14a, and the heat dissipation component 14b is used to dissipate heat from the installation heat conduction shell cover 14a. In this embodiment, components that generate more heat during the operation of the industrial power supply 10 can be installed on the installation heat conduction shell cover 14a, so that the heat generated by the components installed on the installation heat conduction shell cover 14a can be quickly dissipated, improving the heat dissipation efficiency of the industrial power supply 10.

[0047] The above-mentioned heat dissipation module 14 is arranged in the chassis 12. Since the installation heat conduction shell cover 14a is formed with an air inlet 142, a heat dissipation cavity 144 and an air outlet 146, the air inlet 142 communicates with the air outlet 146 through the heat dissipation cavity 144. Also, since the air inlet 142 is used to communicate with the outside through the air inlet hole 12b of the chassis 12, and the air outlet 146 is used to communicate with the outside through the air outlet hole 12c of the chassis 12, the air flow outside the chassis 12 can flow into the heat dissipation cavity 144 through the air inlet hole 12b and the air inlet 142 and contact and interact with the inner wall of the heat dissipation cavity 144 for heat dissipation. And the air flow after the heat dissipation interaction then flows out of the chassis 12 through the air outlet 146 and the air outlet hole 12c. In this way, the heat dissipation cavity 144 can dissipate heat. And components with more heat generation in the industrial power supply 10, such as the positive conductive plate and the negative conductive plate, etc., can be installed on the installation heat conduction shell cover 14a, so that the installation heat conduction shell cover 14a dissipates the heat generated during the operation of the industrial power supply 10, improving the heat dissipation effect of the industrial power supply 10. Since the heat dissipation component 14b is arranged in the heat dissipation cavity and connected to the installation heat conduction shell cover 14a, the heat dissipation module 14 dissipates heat as a separate module. And the installation heat conduction shell cover 14a is arranged in the chassis 12. In this way, the heat dissipation module 14 has good compatibility and is also convenient for maintenance. Since the air inlet 142 of the chassis 12 flows out of the air outlet 146 through the heat dissipation cavity 144, and the air inlet 142 communicates with the outside through the air inlet hole 12b of the chassis 12, and the air outlet 146 communicates with the outside through the air outlet hole 12c of the chassis 12, that is, the air inlet 142, the heat dissipation cavity 144 and the air outlet 146 form the heat dissipation air duct of the installation heat conduction shell cover 14a, and the heat dissipation air duct is directly communicated with the air inlet 142 and the air outlet 146 respectively. In this way, the heat dissipation air duct is separated from the components of the industrial power supply 10, avoiding the components in the industrial power supply 10 from being polluted by chemical gases or dust in the use environment.

[0048] As Figure 6 and Figure 7 shown, in one embodiment, the industrial power supply 10 further includes a positive conductive plate 16 and a negative conductive plate 18, and both the positive conductive plate 16 and the negative conductive plate 18 are mounted on the mounting heat dissipation housing 14a. The chassis 12 is provided with a first avoidance hole 12d and a second avoidance hole 12e. The positive conductive plate 16 is externally connected to conduct electricity through the first avoidance hole 12d, and the negative conductive plate 18 is externally connected to conduct electricity through the second avoidance hole 12e, enabling the industrial power supply 10 to be reliably externally connected to conduct electricity. In this embodiment, both the positive conductive plate 16 and the negative conductive plate 18 are copper plates, so that the positive conductive plate 16 and the negative conductive plate 18 generate more heat when energized. Both the positive conductive plate 16 and the negative conductive plate 18 are mounted on the mounting heat dissipation housing 14a to reliably dissipate the heat on the positive conductive plate 16 and the negative conductive plate 18, improving the heat dissipation performance of the industrial power supply 10.

[0049] As Figure 7 and Figure 9 shown, in one embodiment, the industrial power supply 10 further includes a protective mounting plate 22, and the protective mounting plate 22 is located in the accommodation cavity 12a and is connected to the chassis 12. The protective mounting plate 22 is provided with a first through hole 22a and a second through hole 22b. The first through hole 22a is correspondingly communicated with the first avoidance hole 12d, and the second through hole 22b is correspondingly communicated with the second avoidance hole 12e, enabling both the positive conductive plate 16 and the negative conductive plate 18 to be reliably externally connected to conduct electricity, avoiding the problem of low mounting reliability of the positive conductive plate 16 and the negative conductive plate 18, and at the same time being able to better avoid the situation of electric leakage when the positive conductive plate 16 or the negative conductive plate 18 contacts the chassis 12. In this embodiment, the protective mounting plate 22 is an insulating plate, avoiding the situation of electric leakage of the positive conductive plate 16 and the negative conductive plate 18. To enable the protective mounting plate 22 to be better connected to the chassis 12, further, the protective mounting plate 22 protrudes with a first flange 221 and a second flange 222. The first through hole 22a is provided in the first flange 221, and the second through hole 22b is provided in the second flange 222. The first flange 221 is located in the first avoidance hole 12d and abuts against the chassis 12, and the second flange 222 is located in the second avoidance hole 12e and abuts against the chassis 12, enabling the protective mounting plate 22 to be better mounted and fixed on the chassis 12. Further still, the industrial power supply 10 further includes a fixing member. The protective mounting plate 22 is provided with a through hole, and the chassis 12 is provided with a threaded hole. The fixing member is respectively passed through the through hole and the threaded hole, enabling the protective mounting plate 22 to be better mounted and fixed on the chassis 12. In this embodiment, the fixing member can be a screw or a bolt.

[0050] As Figure 7 and Figure 9As shown, in one embodiment, the mounting heat-conducting shell 14a is used for detachably connecting to the chassis 12, so as to perform regular disassembly and maintenance on the heat dissipation module 14, improving the usability of the industrial power supply 10. In one embodiment, the mounting heat-conducting shell 14a is provided with a through hole 141, and the through hole is used for passing through a locking member, so that the mounting heat-conducting shell 14a is mounted on the chassis 12 through the locking member. In this embodiment, the locking member can be a screw or a bolt, and the mounting heat-conducting shell 14a is mounted on the inner wall of the accommodation cavity 12a through the locking member.

[0051] To reliably connect and conduct air between the air inlet 142 and the air inlet hole 12b, as Figure 7 and Figure 9 shown, further, the mounting heat-conducting shell 14a is in close contact with the inner wall of the accommodation cavity 12a, so that the mounting heat-conducting shell 14a is tightly and fixedly connected to the chassis 12. In one embodiment, the mounting heat-conducting shell 14a includes a shell body 143 and a tight-fitting edge 145. The shell body is provided with a first fitting surface and a second fitting surface. The air inlet 142 is formed on the first fitting surface, and the air outlet 146 is formed on the second fitting surface. Both the first fitting surface and the second fitting surface are used for closely contacting and abutting against the inner wall of the chassis 12. The tight-fitting edge protrudes from the edge of the shell body, and the tight-fitting edge is respectively adjacent to the first fitting surface and the second fitting surface, so that the mounting heat-conducting shell 14a is tightly and fixedly connected to the chassis 12. In this embodiment, the second fitting surface is fixedly connected to the chassis 12 through a protective mounting plate. The protective mounting plate is provided with air passing holes, and the air outlet is communicated with the air outlet hole through the air passing holes. Further, the industrial power supply 10 further includes a sealing strip, and the sealing strip is disposed between the tight-fitting edge and the inner wall of the accommodation cavity 12a, further improving the tightness of the connection between the mounting heat-conducting shell 14a and the chassis 12. Further, a positioning groove is formed in the chassis 12, the sealing strip is disposed in the positioning groove, and the sealing strip protrudes from the inner wall of the chassis 12, so that the sealing strip is better positioned on the chassis 12, thereby improving the reliability of the connection between the mounting heat-conducting shell 14a and the chassis 12.

[0052] As Figure 7As shown, in one embodiment, the heat dissipation component 14b includes a plurality of heat sinks. All of the plurality of heat dissipation plates are located within the heat dissipation cavity 144 and are connected to the mounting heat conduction shell 14a. The plurality of heat sinks are arranged at intervals, enabling the heat dissipation component 14b to dissipate the heat of the mounting heat conduction shell 14a. In one embodiment, each heat sink is disposed on one side of the heat dissipation plate facing the air inlet 142, enabling the heat dissipation component 14b to better dissipate the heat of the mounting heat conduction shell 14a and improving the heat dissipation effect of the heat dissipation component 14b. In one embodiment, the plurality of heat sinks are arranged adjacent to the air outlet 146, enabling the air flow to quickly flow out through the air outlet 146 after contacting the heat sinks, and improving the heat dissipation efficiency of the heat dissipation component 14b.

[0053] As Figure 7 shown, in one embodiment, the industrial power supply 10 further includes a blower fan 24. The blower fan is disposed on the chassis 12, and the air inlet end of the blower fan 24 corresponds to the position of the air inlet hole 12b. The air outlet end of the blower fan faces the heat dissipation cavity 144, enabling the air flow outside the chassis 12 to quickly flow into the chassis 12 through the blower fan and improving the heat dissipation effect of the industrial power supply 10. In this embodiment, the blower fan is located within the heat dissipation cavity 144 and is connected to the chassis 12, enabling the blower fan to be disposed on the chassis 12 and simultaneously enabling the heat dissipation cavity 144 to better ventilate and dissipate heat.

[0054] As Figure 7 shown, in one embodiment, the chassis 12 includes a box body 12f and a cover plate 12h. The box body 12f is provided with a mounting hole 121. The cover plate is located within the mounting hole and is connected to the box body. The blower fan is disposed on the cover plate to better protect the blower fan, thereby enabling the industrial power supply 10 to have better use safety. A receiving cavity 12a and an air outlet hole 12c are formed in the box body, and an air inlet hole 12b is formed in the cover plate, enabling a receiving cavity 12a, an air inlet hole 12b, and an air outlet hole 12c to be formed within the chassis 12. However, during regular maintenance and servicing during use, operations such as replacing the blower fan require the entire unit to be removed from the production line, the box body to be opened for maintenance, and then reinstalled for use. The entire maintenance process is relatively cumbersome, time-consuming, and labor-intensive, resulting in poor usability of the industrial power supply 10. To improve the usability of the industrial power supply 10 and simultaneously solve the problem of the relatively cumbersome, time-consuming, and labor-intensive entire maintenance process, further, the cover plate is detachably connected to the box body, and the cooling fan is detachably connected to the cover plate. When disassembling and assembling the blower fan, such as during maintenance, the cover plate can be first removed, and then the blower fan can be disassembled and assembled, which can be achieved without opening the box body, improving the usability of the industrial power supply 10 and the maintenance efficiency of the blower fan and solving the problem of the relatively cumbersome, time-consuming, and labor-intensive entire maintenance process. Also refer to Figure 4, in this embodiment, the chassis 12 further includes a first locking screw (not shown in the figure). The cover plate 12h is provided with an installation through hole 12h1, and the box body 12f is provided with a locking hole 12f1. The locking screw is respectively passed through the installation through hole and the locking hole, so that the cover plate is detachably connected to the box body. It can be understood that in other embodiments, the cover plate is not limited to being connected to the box body by a locking screw. For example, the cover plate is snap-connected to the box body. Further, the chassis 12 further includes a second locking screw (not shown in the figure). The blower fan 24 is provided with a connection hole 24a, and the cover plate is provided with a screw connection hole (not shown in the figure). The second locking screw is respectively passed through the connection hole and the screw connection hole, so that the cooling fan is detachably connected to the cover plate.

[0055] In one embodiment, the present application further provides a half-bridge filtering device, including the capacitor wiring device described in any of the above embodiments. In this embodiment, the capacitor wiring device includes a wire board assembly and a capacitor assembly. The wire board assembly includes two relatively arranged first circuit boards and a second circuit board. Both the first circuit board and the second circuit board have a plurality of conductive lines therein. The capacitor assembly includes a first non-polar capacitor, a second non-polar capacitor, a third non-polar capacitor, and a first bridge-shaped conductive member. The first non-polar capacitor, the second non-polar capacitor, and the third non-polar capacitor are located between the first circuit board and the second circuit board. The first non-polar capacitor, the second non-polar capacitor, and the third non-polar capacitor are respectively connected to the first circuit board and the second circuit board, so that the first end of the first non-polar capacitor is electrically connected to the first end of the second non-polar capacitor, the second end of the second non-polar capacitor is electrically connected to the second end of the third non-polar capacitor, and both ends of the first non-polar capacitor are respectively used for connecting to an external AC power supply. The first end of the first bridge-shaped conductive member is connected to the first end of the third non-polar capacitor, and the second end of the first bridge-shaped conductive member is connected to the second end of the first non-polar capacitor. The non-polar capacitors are connected to each other through the conductive lines on the circuit board, and the first circuit board and the second circuit board are electrically connected through the first bridge-shaped conductive member, so that the electrical connection between the non-polar capacitors is simple, without the need to interpenetrate and connect through wires. Thus, the structure of the capacitor wiring device is simple. At the same time, when disassembling and assembling the circuit, only the circuit board needs to be replaced, improving the disassembly and assembly convenience. Moreover, the use of the circuit board also facilitates the batch and mechanized production of the capacitor wiring device, improving the automation level of the production and manufacturing of the capacitor wiring device.

[0056] The above-described embodiments merely represent several implementation manners of the present invention. Their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A capacitor wiring device, characterized in that, Comprising: A wire board assembly, the wire board assembly includes two relatively arranged first circuit boards and a second circuit board, and there are multiple conductive circuits in both the first circuit board and the second circuit board; A capacitor assembly, the capacitor assembly includes a first non-polar capacitor, a second non-polar capacitor, a third non-polar capacitor and a first bridge conductive member. The first non-polar capacitor, the second non-polar capacitor and the third non-polar capacitor are located between the first circuit board and the second circuit board. The first non-polar capacitor, the second non-polar capacitor and the third non-polar capacitor are respectively connected to the first circuit board and the second circuit board, so that the first end of the first non-polar capacitor is electrically connected to the first end of the second non-polar capacitor, the second end of the second non-polar capacitor is electrically connected to the second end of the third non-polar capacitor, and both ends of the first non-polar capacitor are respectively used for connecting to an external AC power supply; the first end of the first bridge conductive member is connected to the first end of the third non-polar capacitor, and the second end of the first bridge conductive member is connected to the second end of the first non-polar capacitor; The wire board assembly further includes a first voltage-dividing resistor and a second voltage-dividing resistor, and the first voltage-dividing resistor and the second voltage-dividing resistor are both welded on the first circuit board, so that the first end of the first voltage-dividing resistor is electrically connected to the first end of the third non-polar capacitor, the second end of the first voltage-dividing resistor is connected to the first end of the second voltage-dividing resistor, and the second end of the second voltage-dividing resistor is electrically connected to the first end of the second non-polar capacitor; The wire board assembly further includes a plurality of solder leakage conductive members, and each solder leakage conductive member is connected to a conductive circuit.

2. The capacitor wiring device according to claim 1, characterized in that, The capacitance value of the second non-polar capacitor is equal to the capacitance value of the third non-polar capacitor, the resistance value of the first voltage-dividing resistor is equal to the resistance value of the second voltage-dividing resistor, and the second end of the first voltage-dividing resistor is used for outputting a midpoint voltage.

3. The capacitor wiring device according to claim 1, characterized in that, The wire board assembly further includes a second bridge conductive member, the first end of the second bridge conductive member is electrically connected to the second end of the first voltage-dividing resistor, the second end of the second bridge conductive member is connected to the second circuit board, and the second bridge conductive member is used for outputting a detection voltage.

4. The capacitor wiring device according to claim 3, characterized in that, The first circuit board is provided with a first bridge through hole, the second circuit board is provided with a second bridge through hole, the first end of the second bridge conductive member passes through the first bridge through hole, and the second end of the second bridge conductive member passes through the second bridge through hole.

5. The capacitor wiring device according to claim 4, characterized in that, The first circuit board includes a first board body, a first conductive trace, a second conductive trace, and a third conductive trace. The first conductive trace, the second conductive trace, and the third conductive trace are all disposed on the first board body. The first board body has two first accommodation spaces and two second accommodation spaces. The first bridge through-hole is correspondingly disposed with the first conductive trace. The two first accommodation spaces are correspondingly disposed with the second conductive trace. The two second accommodation spaces are correspondingly disposed with the third conductive trace. The first end of the second bridge conductive member passes through the first bridge through-hole and is connected to the first conductive trace. The first end of the first non-polar capacitor and the first end of the second non-polar capacitor are respectively located in one of the first accommodation spaces and are connected to the second conductive trace. The first end of the third non-polar capacitor and the first end of the first bridge conductive member are respectively located in one of the second accommodation spaces and are connected to the third conductive trace. Wherein, the first conductive trace is further connected to the second end of the first voltage-dividing resistor and the first end of the second voltage-dividing resistor; The second circuit board includes a second board body, a fourth conductive trace, and a fifth conductive trace. The second board body has two third accommodation spaces and two fourth accommodation spaces. The two third accommodation spaces correspond to the fourth conductive trace. The two fourth accommodation spaces correspond to the fifth conductive trace. The second end of the first bridge conductive member and the second end of the first non-polar capacitor are respectively located in one of the third accommodation spaces and are connected to the fourth conductive trace. The second end of the second non-polar capacitor and the second end of the third non-polar capacitor are respectively located in one of the fourth accommodation spaces and are connected to the fifth conductive trace.

6. The capacitor wiring device according to claim 1, characterized in that, The capacitor wiring device further includes a base, a first mounting bracket, and a second mounting bracket. The first mounting bracket and the second mounting bracket are both connected to the base. The first mounting bracket is respectively connected to the first end of each non-polar capacitor and the first circuit board. The second mounting bracket is respectively connected to the second end of each non-polar capacitor and the second circuit board.

7. The capacitor wiring device according to claim 6, characterized in that, The first mounting bracket is provided with a plurality of first mounting holes. The second mounting bracket is provided with a plurality of second mounting holes. The first end of each non-polar capacitor passes through one of the first mounting holes. The second end of each non-polar capacitor passes through one of the first mounting holes.

8. The capacitor wiring device according to claim 6, characterized in that, The first mounting bracket is provided with a waist-shaped hole. The capacitor wiring device further includes a positioning pin. The positioning pin passes through the waist-shaped hole and is connected to the base. The waist-shaped hole is used to adjust the distance between the positioning pin and the first mounting bracket.

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