A low-voltage high-power synchronous rectification module for a generator
By using an eccentric cam clamping rod and hinge design, the problem of the generator rectifier module being difficult to disassemble quickly was solved, enabling rapid installation and disassembly, simplifying the maintenance process, and improving stability and heat dissipation.
Patent Information
- Application Number
- CN202422303001.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-09-20
AI Technical Summary
Existing generator rectifier modules are difficult to disassemble and replace quickly when damaged, resulting in inconvenience in maintenance.
The design employs an eccentric cam clamping rod and hinge, enabling rapid installation and removal of the rectifier module by rotating the eccentric cam around the camshaft. Combined with a gasket and pivot structure, it improves stability and provides heat dissipation through heat sinks.
It enables rapid installation and removal of the rectifier module, simplifies the maintenance process, extends the lifespan of the diodes, and improves installation stability and heat dissipation.
Smart Images
Figure CN223599685U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to rectifier technical field, especially is involved in a synchronous rectification module for low voltage and high power of generator. BACKGROUND
[0002] The generator rectification module is a device for converting alternating current into direct current. It is usually composed of multiple rectifiers, each of which contains a set of diodes or transistors for converting negative or positive half cycles in alternating current signals into direct current signals. The generator rectification module is usually used in the generator system to convert the alternating current generated by the generator into direct current to supply the direct current load or charge the battery.
[0003] When using the generator, the rectifier inside the generator is affected by overload, overheating, voltage fluctuation and other factors, and the rectification module may be damaged.
[0004] When the rectifier is damaged, the rear end cover of the entire generator needs to be disassembled, and then the bolts are loosened, making it extremely difficult to replace the parts. INVENTION CONTENTS
[0005] The utility model aims at providing a synchronous rectification module for low voltage and high power of generator, which can quickly install and disassemble the rectification module.
[0006] The synchronous rectification module for low voltage and high power of generator comprises two rectification modules vertically arranged in a semicircular ring structure, and diodes are installed on the rectification modules. The upper end of the rectification module is fixed with a first boss. The rectification modules are arranged left and right, and the first rectification module and the second rectification module are arranged from right to left. The inner concave surface of the first rectification module faces left, and the inner concave surface of the second rectification module faces right. A cylindrical combined space is formed in the middle of the first rectification module and the second rectification module. The lower end of the first rectification module and the lower end of the second rectification module are hinged together through a hinge piece.
[0007] A through hole is formed in the first boss, which is left and right connected. An eccentric cam clamping rod is arranged in the through hole. The left end of the eccentric cam clamping rod passes through the two first bosses from the right side of the through hole in sequence. A nut is threadedly connected to the clamping rod on the left side of the first boss. The nut is internally threaded. An external thread is arranged on the clamping rod, which is threadedly connected with the internal thread of the nut. An eccentric cam capable of rotating left and right is arranged on the clamping rod on the right side of the first boss. A cam shaft capable of rotating the eccentric cam left and right is arranged on the eccentric cam.
[0008] The clamping rod left end of the eccentric cam clamping rod is sequentially threaded through two first bosses from the right side of the through hole and connected through a nut, the eccentric cam is provided with a cam shaft capable of rotating left and right, the first boss is clamped by rotating left and right around the cam shaft, so that the first rectifier module and the second rectifier module can be quickly installed and dismounted from the rotating shaft of the generator, and the diodes and other components on the rectifier module are convenient to replace and maintain.
[0009] Further, the first gasket is installed on the clamping rod between the first boss and the eccentric cam.
[0010] The first gasket can not only adjust the clamping force, but also prevent the first boss from being damaged.
[0011] Further, the hinge is a pivot.
[0012] The pivot is convenient to hinge, not easy to fall off and flexible to rotate.
[0013] Further, the bottom of the first rectifier module is fixed with a second boss, the bottom of the second rectifier module is fixed with a third boss, the second boss and the third boss are staggered front and back, and the second boss and the third boss are provided with mounting holes for mounting the pivot and communicating front and back.
[0014] The pivot is hinged together with the lower ends of the first rectifier module and the second rectifier module through the mounting holes on the second boss and the third boss.
[0015] Further, the inner arc surface of the first rectifier module and the second rectifier module is fixed with a second gasket.
[0016] The second gasket increases the holding force when the first rectifier module and the second rectifier module are installed on the rotating shaft, so that the stability of the first rectifier module and the second rectifier module is good.
[0017] Further, the rectifier module where the diode is installed is provided with a heat sink.
[0018] The heat sink dissipates heat for the diode, and the service life of the diode can be prolonged.
[0019] Further, the heat sinks on the first rectifier module and the second rectifier module are two, respectively.
[0020] A pair of heat sinks are installed on the diode, and another pair of heat sinks are provided with diode through holes according to the position of the diode, so that the diode is convenient to wear and install, and the heat dissipation effect is good.
[0021] Compared with the prior art, the utility model has the following beneficial effects:
[0022] The first boss is clamped by eccentric cam rotating around the cam shaft, so that the first rectifying module and the second rectifying module can be quickly installed and dismounted from the rotating shaft of the generator, and the diodes and other components on the rectifying module are convenient to replace and maintain. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a structural schematic view of a synchronous rectifying module for a low-voltage high-power generator;
[0024] Figure 2 It is a top view of Figure 1
[0025] Figure 3 It is a right view of Figure 1
[0026] Figure 4 It is a three-dimensional structural schematic view of Figure 1
[0027] Figure 5 It is an exploded structural schematic view of Figure 4
[0028] Names of components in the figure: 1, first boss; 2, first gasket; 3, eccentric cam clamping rod; 4, first rectifying module; 5, second gasket; 6, second boss; 7, pivot; 8, second rectifying module; 9, nut; 10, heat sink; 11, diode; 12, third boss. DETAILED DESCRIPTION
[0029] The utility model will be further described below by specific embodiments in combination with the drawings, but it is not used to limit the utility model, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
[0030] EMBODIMENT
[0031] The embodiment adopts the following materials:
[0032] 1. Prepare the materials required for gasket processing, which are used to process the second gasket 5;
[0033] 2. Prepare the metal material with good heat dissipation, which is used to make the heat sink 10;
[0034] 3. Prepare an eccentric cam clamping rod 3 with a first gasket 2. The eccentric cam clamping rod 3 is prior art, mainly including a clamping rod, an eccentric cam and a cam shaft;
[0035] 4. Prepare one nut 9 and one pivot 7;
[0036] 5. Prepare the materials required for processing the first rectifying module 4 and the second rectifying module 8.
[0037] The material assembly is as follows:
[0038] First step: processing
[0039] Process the first boss 1, as shown in Figure 1 and Figure 5 , the first boss 1 is a rectangular block structure, as shown in Figure 5 , a circular and front-to-back through hole is processed on the first boss 1, and the size of the through hole is processed according to the size of the purchased eccentric cam clamping rod 3.
[0040] Process the second boss 6, as shown in Figure 1 and Figure 2 , the second boss 6 is a square block structure, as shown in Figure 1 , a front-to-back and circular mounting hole is processed at the center of the second boss 6.
[0041] Process the third boss 12, as shown in Figure 2 and Figure 5 , the structure of the third boss 12 is the same as that of the second boss 6.
[0042] Process the first rectifier module 4, as shown in Figure 1 , Figure 2 and Figure 4 , the first rectifier module 4 is a semicircular ring block structure, as shown in Figure 1 , a first boss 1 is welded on the top of the first rectifier module 4. As shown in Figure 1 , a second boss 6 is welded on the bottom of the first rectifier module 4.
[0043] Process the second rectifier module 8, as shown in Figure 1 , a first boss 1 is welded on the top of the second rectifier module 8, as shown in Figure 5 , a third boss 12 is welded on the bottom of the second rectifier module 8. As shown in Figure 2 , the second boss 6 and the third boss 12 are staggered front-to-back.
[0044] Process the second gasket 5, as shown in Figure 1 and Figure 5 , the structure of the second gasket 5 is similar to that of the first rectifier module 4, and the second gasket 5 is processed according to the size of the inner diameter of the first rectifier module 4.
[0045] Process the heat sink 10, as shown in Figure 2 , Figure 3 and Figure 4 , the structure of the heat sink 10 is similar to that of the first rectifier module 4 and the second rectifier module 8, and can be processed according to the size of the first rectifier module 4 and the second rectifier module 8, as shown in Figure 5As shown, a diode 11 is mounted on a pair of heat sinks 10, and a through hole for the diode 11 is opened on another pair of heat sinks 10 according to the position of the diode 11.
[0046] Step 2: Installation
[0047] like Figure 1 As shown, the first boss 1 of the first rectifier module 4 and the second rectifier module 8 are placed facing upwards, as shown. Figure 2 As shown, the second boss 6 of the first rectifier module 4 and the third boss 12 of the second rectifier module 8 are arranged in an alternating manner.
[0048] like Figure 1 As shown, the second gasket 5 is installed on the inner wall of the first rectifier module 4 and the inner wall of the second rectifier module 8, respectively.
[0049] like Figure 3 and Figure 4 As shown, the through holes on the first boss 1 of the first rectifier module 4 and the second rectifier module 8 are connected by an eccentric cam clamping rod 3. Specifically, the left end of the clamping rod of the eccentric cam clamping rod 3 passes through the first gasket 2 and the two first bosses 1 sequentially from the right side of the through hole. The clamping rod on the left side of the first boss 1 at the upper end of the second rectifier module 8 is threaded with a nut 9. The nut 9 has an internal thread, and the clamping rod has an external thread that mates with the internal thread of the nut 9. An eccentric cam that can rotate left and right is installed on the clamping rod on the right side of the first boss 1 at the upper end of the first rectifier module 4. The camshaft on the eccentric cam allows it to rotate left and right.
[0050] like Figure 2 and Figure 3 As shown, the heat sink 10 with diode 11 is installed on the first rectifier module 4 and the second rectifier module 8 respectively. The structure after installation is as follows. Figure 4 As shown.
[0051] Instructions for use are as follows:
[0052] If the generator rectifier module is damaged during use, the eccentric cam of the eccentric cam clamping rod 3 can be rotated and the nut 9 can be unscrewed. It can be disassembled and reassembled at any time as needed. The structural design of the components is simple, easy to clean and maintain. The first gasket 2 and the heat sink 10 extend the service life of the diode 11 and the rectifier module.
Claims
1. A synchronous rectification module for low-voltage high-power generator, comprising two rectification modules in half-circular ring structure and vertically arranged, and a diode (11) is installed on each rectification module, characterized in that: The upper end of the rectifier module is fixed with a first boss (1), the rectifier module is arranged left and right, and the first rectifier module (4) and the second rectifier module (8) are sequentially arranged from right to left, the inner concave surface of the first rectifier module (4) faces left, the inner concave surface of the second rectifier module (8) faces right, a cylindrical combined space is formed in the middle of the first rectifier module (4) and the second rectifier module (8), and the lower end of the first rectifier module (4) and the lower end of the second rectifier module (8) are hingedly connected through a hinge piece; A through hole that is left-right through is formed in the first boss (1), an eccentric cam clamping rod (3) is arranged in the through hole, the left end of the eccentric cam clamping rod (3) sequentially passes through the two first bosses (1) from the right side of the through hole, a nut (9) is threadedly connected to the clamping rod on the left side of the first boss (1), the nut (9) is internally threaded, an outer thread is arranged on the clamping rod and threadedly matched with the inner thread of the nut (9), and an eccentric cam capable of rotating left and right is mounted on the clamping rod on the right side of the first boss (1), and a cam shaft capable of rotating the eccentric cam left and right is arranged on the eccentric cam.
2. The low voltage high power synchronous rectification module for generator of claim 1, wherein: A first gasket (2) is mounted on the clamping rod between the first boss (1) and the eccentric cam.
3. The low voltage high power synchronous rectification module for generator as claimed in claim 2, wherein: The hinge piece is a pivot (7).
4. The low voltage high power synchronous rectification module for generator of claim 3, wherein: A second boss (6) is fixed to the bottom of the first rectifier module (4), a third boss (12) is fixed to the bottom of the second rectifier module (8), the second boss (6) and the third boss (12) are arranged in front of and behind each other, and mounting holes, in which the pivot (7) is mounted and through which the pivot (7) passes, are arranged on the second boss (6) and the third boss (12).
5. The low voltage high power synchronous rectification module for generator as claimed in claim 4, wherein: Second gaskets (5) are fixed to the inner arc surfaces of the first rectifier module (4) and the second rectifier module (8).
6. The low voltage high power synchronous rectification module for generator as claimed in claim 5 wherein: Heat dissipation fins (10) are mounted on the rectifier modules where the diodes (11) are mounted.
7. The low voltage high power synchronous rectification module for generator as claimed in claim 6 wherein: The heat dissipation fins (10) on the first rectifier module (4) and the second rectifier module (8) are two, respectively.