CN215990538U - Novel high-voltage input rectifying device - Google Patents
Novel high-voltage input rectifying device Download PDFInfo
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- CN215990538U CN215990538U CN202120651179.2U CN202120651179U CN215990538U CN 215990538 U CN215990538 U CN 215990538U CN 202120651179 U CN202120651179 U CN 202120651179U CN 215990538 U CN215990538 U CN 215990538U
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Abstract
The utility model relates to a novel high-voltage input rectifying device, which comprises a mounting seat, positive and negative guide plates fixed below the mounting seat, a rectifying module fixed above the mounting seat and a grounding sheet, wherein the positive and negative guide plates are fixed above the mounting seat; the positive and negative guide plates comprise positive guide plates and negative guide plates, two ends of the positive and negative guide plates are of flat plate structures, the middle parts of the positive and negative guide plates are of vertical plate structures close to each other, and the vertical plates in the middle parts of the positive and negative guide plates are protruded towards two sides to form through holes; the mounting seat is sequentially provided with five mounting areas, wherein the first mounting area comprises two first mounting grooves which are respectively positioned on two sides of the positive and negative guide plates; the second mounting area comprises a second mounting groove and a third mounting groove, the middle of the second mounting groove is partitioned into two parts, and the third mounting groove is a cuboid space and is communicated with the second mounting groove; the third installation area comprises a fourth installation groove matched with the through hole in the middle of the positive and negative guide plates and two fifth installation grooves on two sides of the fourth installation groove. Compared with the prior art, the utility model has the advantages of high integration level, small installation volume, good rectification effect and the like.
Description
Technical Field
The utility model relates to the field of motor controllers, in particular to a novel high-voltage input rectifying device.
Background
Along with the increasing working frequency of a motor controller of an electric drive core component, the electromagnetic interference problem is more and more prominent, the EMC requirement of a whole end on the motor controller is higher and higher, the traditional electric vehicle needs one motor controller to control the motor to run, the electromagnetic disturbance is generated in the working process of the motor controller, although the shell of the motor controller is an aluminum alloy shell, the motor controller has good shielding and blocking effects, however, the current at the battery end enters the motor controller along with the conduction of the wire harness, the interference removal difficulty is very high, the traditional method is to simply add a magnetic ring to solve the problem, but because the corresponding rectification link is less, mount pad itself volume is also great, and the installation is more dispersedly, hardly relies on only mount pad itself to block external interference, consequently hardly satisfies whole car EMC test requirement.
Chinese patent publication No. CN210174639U, 24.3.2020, discloses an electromagnetic interference suppression device, an electric drive controller, and an electric vehicle, and relates to an anti-interference technology of the electric drive controller. The electromagnetic interference suppression device includes: one end of the first electromagnetic interference suppression device is connected with the power battery through the high-voltage connector, and the other end of the first electromagnetic interference suppression device is connected with the high-voltage power driving unit; and one end of the second electromagnetic interference suppression device is connected with the storage battery through the low-voltage connector, and the other end of the second electromagnetic interference suppression device is connected with the low-voltage control unit. The device is arranged in an electric drive controller, a metal shielding partition plate is additionally arranged between a power drive circuit and a control circuit, a magnetic ring is additionally arranged on a connecting wire harness of the power drive circuit, and the anti-electromagnetic interference capability of the motor controller is improved.
The device can only restrain common mode noise and differential mode noise, the anti-interference performance still has a large promotion space, and the device also has the defects of dispersed structure, complex connection, inconvenient installation and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a novel high-voltage input rectifying device with high integration level, small installation volume and good rectifying effect.
The purpose of the utility model can be realized by the following technical scheme:
a novel high-voltage input rectifying device comprises a mounting seat, a positive guide plate and a negative guide plate which are fixed below the mounting seat, a rectifying module and a grounding piece which are fixed above the mounting seat;
the positive and negative guide plates comprise positive guide plates and negative guide plates, two ends of the positive and negative guide plates are of flat plate structures, the middle parts of the positive and negative guide plates are of vertical plate structures close to each other, and the vertical plates in the middle parts of the positive and negative guide plates protrude towards two sides to form through holes;
the mounting seat is sequentially provided with a first mounting area, a second mounting area, a third mounting area, a fourth mounting area and a fifth mounting area, and the first mounting area comprises two first mounting grooves which are respectively positioned on two sides of the positive and negative guide plates; the second installation area comprises a second installation groove and a third installation groove, the middle partition of the second installation groove is divided into two parts, the third installation groove is a cuboid space, and the bottom end of the second installation groove and the top end of the third installation groove penetrate through the second installation groove; the third installation area comprises a fourth installation groove and two fifth installation grooves, the fourth installation groove is matched with the through holes in the middle of the positive and negative guide plates, and the two fifth installation grooves are respectively positioned on two sides of the fourth installation groove; the fourth installation area comprises a sixth installation groove and a seventh installation groove, the middle of the sixth installation groove is partitioned into two parts, the seventh installation groove is a cuboid space, and the bottom end of the sixth installation groove and the top end of the seventh installation groove penetrate through the fourth installation area; the fifth installation area comprises two eighth installation grooves which are respectively positioned on two sides of the positive and negative guide plates.
Further, the rectification module comprises a first magnet device and a second magnet device, the first magnet device and the second magnet device both adopt an upper magnet structure and a lower magnet structure, the upper magnet structure comprises an upper magnet and a lower magnet, the upper magnet is of an arch structure, one side of the upper magnet is provided with a groove for accommodating the positive guide plate and the negative guide plate, the lower magnet is of a cuboid structure, and the lower magnet is matched with one side of the upper magnet provided with the groove and seals the groove;
the upper magnet of the first magnet device is arranged in the second mounting groove, the lower magnet is arranged in the third mounting groove, the upper magnet of the second magnet device is arranged in the sixth mounting groove, the lower magnet is arranged in the seventh mounting groove, and the first magnet device and the second magnet device are both surrounded on the outer sides of the positive and negative guide plates.
Furthermore, the novel high-voltage input rectifying device also comprises a first plate spring and a second plate spring, wherein the first plate spring and the second plate spring both adopt I-shaped plate spring structures, and two ends of each I-shaped plate spring structure are elastic parts and are bent towards the same side; the first plate spring is connected with the mounting seat through elastic crimping, and a main body of the first plate spring is positioned above the first magnet device; the second plate spring is connected to the mount by elastic crimping, and a main body of the second plate spring is located above the second magnet device.
Further, the main body portion of the i-shaped leaf spring structure is recessed with respect to both end portions.
Further, the rectifier module further comprises a first common-mode device, a second common-mode device and a third common-mode device, the first common-mode device, the second common-mode device and the third common-mode device respectively comprise two parallel-connected safety capacitors, the first common-mode device is installed in the two first installation grooves, the second common-mode device is installed in the two fifth installation grooves, and the third common-mode device is installed in the two eighth installation grooves;
the positive guide plate is respectively connected with positive pins of the first common mode device, the second common mode device and the third common mode device, the negative guide plate is respectively connected with negative pins of the first common mode device, the second common mode device and the third common mode device, and the grounding piece is respectively connected with grounding pins of the first common mode device, the second common mode device and the third common mode device.
Further, the rectifier module further comprises a first differential mode device, the first differential mode device comprises a high-frequency interference suppression capacitor, and the first differential mode device is installed in the fourth installation groove.
Further, the first common-mode device, the second common-mode device, the third common-mode device and the first differential-mode device are fixedly installed in the installation seat through potting.
Furthermore, the grounding piece comprises a flat plate part, a bending part and a vertical plate part which are connected in sequence, the flat plate part is connected with the mounting seat, and the vertical plate part is used for connecting a grounding pin.
Furthermore, positive negative guide plate and grounding piece all are equipped with a plurality of U-shaped bifurcation structures for connect the stitch.
Furthermore, the mounting seat and the positive and negative guide plates are of an integrated plastic-coated molding structure.
Compared with the prior art, the utility model has the following advantages:
(1) the utility model provides a novel high-voltage input rectifying device, wherein two ends of a positive guide plate and a negative guide plate in the device are of flat plate structures, the middle parts of the positive guide plate and the negative guide plate are of vertical plate structures close to each other, and the positive guide plate and the negative guide plate are fixed through a mounting seat.
(2) The common mode device is provided with three circuits which are composed of two parallel safety gauge Y2 capacitors, interference signals with different frequencies are filtered by setting different capacitance values, the grounding ends of the common mode device are connected with the grounding sheet and fixed on the bottom surface of a box body of the controller together with the mounting seat of the mounting seat, grounding is realized, and three-circuit rectification is completed; the magnetic device is provided with two channels, interference of signals with different frequencies can be further filtered by the magnet by selecting different signal filtering materials, and the differential mode device can select a small-capacitance capacitor to filter high-frequency signal interference; after the rectification in the flow link is completed, when the current flows into the motor controller, the current can be ensured to be pure and free of interference, and the electromagnetic compatibility requirement of the whole vehicle can be met.
Drawings
Fig. 1 is a schematic diagram of a first structure of a novel high-voltage input rectifying device provided in an embodiment of the present invention;
fig. 2 is a second structural schematic diagram of a novel high-voltage input rectifying device provided in the embodiment of the present invention;
fig. 3 is a third structural schematic diagram of a novel high-voltage input rectifying device provided in the embodiment of the utility model;
fig. 4 is a schematic structural diagram of a positive and negative baffle provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a ground strip provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a first magnet device and a first magnet device provided in an embodiment of the present invention (both adopt the same structure);
fig. 7 is a schematic structural diagram (the same structure is adopted for both) of a first leaf spring and a second leaf spring provided in the embodiment of the present invention;
in the figure, 1, a positive guide plate and a negative guide plate, 2, a first common mode device, 3, a first upper magnet, 4, a first lower magnet, 5, a first differential mode device, 6, a second common mode device, 7, a second upper magnet, 8, a second lower magnet, 9, a third common mode device, 10, a first plate spring, 11, a second plate spring, 12, a grounding sheet, 13, a mounting seat, 101, a first mounting groove, 102, a second mounting groove, 103, a third mounting groove, 104, a fourth mounting groove, 105, a fifth mounting groove, 106, a sixth mounting groove, 107, a seventh mounting groove, 108 and an eighth mounting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The devices of the embodiments of the utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Example 1
According to the utility model, more anti-interference devices and the mounting seat are designed in an integrated manner, and the mounting seat is assembled on the bottom surface of the motor controller box body, so that the current at the battery end of the finished automobile firstly passes through a plurality of rectifying and filtering links before entering the motor controller, and some interference can be eliminated quickly, thereby improving the shielding performance of the motor controller and meeting the higher-level test requirement of the finished automobile. Therefore, the embodiment provides a novel high-voltage input rectifying device to meet the EMC test requirements of the whole vehicle, and the device includes a mounting seat 13, positive and negative deflectors 1 fixed below the mounting seat 13, a rectifying module fixed above the mounting seat 13, and a grounding strip 12;
the positive and negative guide plates 1 comprise positive guide plates and negative guide plates, two ends of the positive and negative guide plates 1 are of flat plate structures, the middle parts of the positive and negative guide plates are of vertical plate structures which are close to each other, and the vertical plates in the middle parts of the positive and negative guide plates 1 protrude towards two sides to form through holes for accommodating the first differential mode devices 5;
the mounting seat 13 is sequentially provided with a first mounting area, a second mounting area, a third mounting area, a fourth mounting area and a fifth mounting area, wherein the first mounting area comprises two first mounting grooves 101 which are respectively positioned at two sides of the positive and negative guide plates 1; the second installation area comprises a second installation groove 102 and a third installation groove 103, the middle of the second installation groove 102 is partitioned into two parts, the third installation groove 103 is a cuboid space, and the bottom end of the second installation groove 102 is penetrated through the top end of the third installation groove 103; the third installation area comprises a fourth installation groove 104 and two fifth installation grooves 105, the fourth installation groove 104 is matched with the through holes in the middle parts of the positive and negative guide plates 1, and the two fifth installation grooves 105 are respectively positioned at two sides of the fourth installation groove 104; the fourth installation area comprises a sixth installation groove 106 and a seventh installation groove 107, the middle of the sixth installation groove 106 is partitioned into two parts, the seventh installation groove 107 is a cuboid space, and the bottom end of the sixth installation groove 106 is penetrated through the top end of the seventh installation groove 107; the fifth installation area includes two eighth installation grooves 108 respectively located at both sides of the positive and negative baffle 1.
The five mounting areas can be used for mounting different rectifying devices respectively, for example, the first mounting groove 101, the fifth mounting groove 101 and the eighth mounting groove 101 can be used for mounting a common-mode device, the second mounting groove 102, the third mounting groove 103, the sixth mounting groove 106 and the seventh mounting groove 107 can be used for mounting a magnet device, and the fourth mounting groove 104 can be used for mounting a differential-mode device;
based on the structure of above-mentioned positive and negative guide plate and the structure of mount pad, can set up six rectification links, can directly block the external interference of input outside controller box, have the advantage that the integrated level is high, the installation is small, the rectification is effectual.
The grounding piece 12 comprises a flat plate part, a bending part and a vertical plate part which are connected in sequence, the flat plate part is connected with the mounting seat 13, and the vertical plate part is used for connecting a grounding pin.
The positive and negative guide plates 1 and the grounding piece 12 are respectively provided with a plurality of U-shaped branched structures which are used for connecting pins of a first common mode device 2, a first differential mode device 5, a second common mode device 6 and a third common mode device 9; the pins can be directly welded on the positive and negative guide plates 1 and the grounding plate 12 through the U-shaped branched structure, and complex wiring work is not needed.
The mounting seat 13 and the positive and negative guide plates 1 are preferably of an integrated plastic-coated molding structure.
The specific mounting details of the rectifier module may be preferred over the following mounting schemes.
1. Mounting of magnet devices
The rectifying module comprises a first magnet device and a second magnet device, the first magnet device and the second magnet device both adopt an upper magnet structure and a lower magnet structure, the upper magnet structure comprises an upper magnet and a lower magnet, the upper magnet is of an arch structure, one side of the upper magnet is provided with a groove for accommodating the positive guide plate and the negative guide plate 1, the lower magnet is of a cuboid structure, and the lower magnet is matched with one side of the upper magnet provided with the groove and seals the groove;
the upper magnet of the first magnet device is arranged in the second mounting groove 102, the lower magnet is arranged in the third mounting groove 103, the upper magnet of the second magnet device is arranged in the sixth mounting groove 106, the lower magnet is arranged in the seventh mounting groove 107, and the first magnet device and the second magnet device are both surrounded on the outer side of the positive and negative guide plates 1.
The novel high-voltage input rectifying device further comprises a first plate spring 10 and a second plate spring 11, wherein the first plate spring 10 and the second plate spring 11 both adopt I-shaped plate spring structures, and two ends of each I-shaped plate spring structure are elastic parts and are bent towards the same side; the first plate spring 10 is connected to the mounting seat 13 by elastic crimping, the main body of the first plate spring 10 being located above the first magnet device; the second plate spring 11 is connected to the mounting base 13 by elastic crimping, and the main body of the second plate spring 11 is located above the second magnet device.
Preferably, the main body part of the i-shaped plate spring structure is recessed relative to the two end parts, and when the two ends are clamped, the upper end of the i-shaped plate spring structure presses the first magnet device or the second magnet device, so that the device is more stable.
The first magnet device is made of an intermediate-frequency signal anti-interference material, and the second magnet device is made of a high-frequency signal anti-interference material.
2. Common mode device
The rectification module further comprises a first common-mode device 2, a second common-mode device 6 and a third common-mode device 9, the first common-mode device 2, the second common-mode device 6 and the third common-mode device 9 respectively comprise two parallel-connected safety capacitors, the first common-mode device 2 is installed in the two first installation grooves 101, the second common-mode device 6 is installed in the two fifth installation grooves 105, and the third common-mode device 9 is installed in the two eighth installation grooves 108;
the positive guide plate is respectively connected with the positive pins of the first common mode device 2, the second common mode device 6 and the third common mode device 9, the negative guide plate is respectively connected with the negative pins of the first common mode device 2, the second common mode device 6 and the third common mode device 9, and the grounding piece 12 is respectively connected with the grounding pins of the first common mode device 2, the second common mode device 6 and the third common mode device 9.
The capacitance value of the first common mode device 2 is within the range of 50 to 80nf, the capacitance value of the second common mode device 6 is within the range of 5 to 15nf, and the capacitance value of the third common mode device 9 is within the range of 200 to 240 nf.
3. Differential mode device
The rectifier module further comprises a first differential mode device 5, the first differential mode device 5 comprising a high frequency interference rejection capacitor, the first differential mode device 5 being mounted in the fourth mounting groove 104.
The capacitance value of the high-frequency interference suppression capacitor is within the range of 0.5-0.8 nf.
The new high-voltage input rectifying device of the present embodiment will be described in detail below
As shown in fig. 1 and fig. 2, the structure of the novel high-voltage input rectifying device of the present invention includes a mounting base 13, positive and negative guide plates 1 fixed on the mounting base 13, a first common mode device 2, a first upper magnet 3, a first lower magnet 4, a first differential mode device 5, a second common mode device 6, a second upper magnet 7, a second lower magnet 8, a third common mode device 9, a first plate spring 10, a second plate spring 11 and a grounding plate 12, wherein the mounting base 13 is integrally formed with the positive and negative guide plates 1 by plastic-coating, the positive and negative guide plates 1 penetrate the whole mounting base 13 from front to back, the grounding plate 12 is integrally formed with a fixing hole of the mounting base 13, the first common mode device 2 is mounted at the input foremost position of the mounting base 13, the positive and negative pins thereof are electrically connected with the positive and negative guide plates 1 respectively, the grounding pins thereof are electrically connected with the grounding plate 12 respectively, the first upper magnet 3 and the first lower magnet 4 are fixed on the mounting base 13, the first differential mode device 5 is positioned in the middle of the second common mode device 6 and fixed on the mounting seat 13, positive pins and negative pins of the first differential mode device are respectively electrically connected with the positive guide plate 1 and the negative guide plate 1, the second common mode device 6 is arranged on two sides of the first differential mode device 5 and fixed on the mounting seat 13, the positive pins and the negative pins of the first differential mode device are respectively electrically connected with the positive guide plate 1 and the negative guide plate 1, grounding pins of the second differential mode device are respectively electrically connected with a grounding sheet 12, the second upper magnet 7, the second lower magnet 8 and the third common mode device 9 are fixed on the mounting seat 13, the first differential mode device and the second differential mode device are respectively positioned above and below the positive guide plate 1 and fixed, and the first plate spring 10 and the second plate spring 11 are respectively buckled on the side wall of the mounting seat 13 and respectively press the upper magnet 3 and the upper magnet 7.
As shown in fig. 3, the mounting seat 13 is provided with a first mounting groove 101, a second mounting groove 102, a third mounting groove 103, a fourth mounting groove 104, a fifth mounting groove 105, a sixth mounting groove 106, a seventh mounting groove 107, and an eighth mounting groove 108 in addition to the positive and negative guide plates 1 which are integrally molded; the first mounting groove 101 is located at the forefront of the mounting seat 13 and at the two sides of the positive and negative guide plates 1 for fixing the first common mode device 2, the second mounting groove 102 is located at the rear side of the first mounting groove 101 and above the positive and negative guide plates 1 for assembling the first upper magnet 3, the third mounting groove 103 is located directly below the second mounting groove 102 and has an opening at the side of the mounting seat 13 for mounting the first lower magnet 4, the fourth mounting groove 104 is located directly behind the second mounting groove 102 and at the middle position of the positive and negative guide plates 1 for mounting the first differential mode device 5, the fifth mounting grooves 105 are distributed at the two sides of the fourth mounting groove 104 and at the two sides of the positive and negative guide plates 1 for placing the second common mode device 6, the sixth mounting groove 106 is located behind the fifth mounting groove 105 and directly above the positive and negative guide plates 1 for mounting the second upper magnet 7, the seventh mounting groove 107 is located right below the sixth mounting groove 106, and the opening is located on the side of the mounting seat 13 for mounting the second lower magnet 8, and the eighth mounting groove 108 is located right behind the seventh mounting groove 107 and located on both sides of the positive and negative baffle 1 for mounting the third common mode device 9. First mounting groove 101 is total two, and the opening is up, and the cross-section is the rectangle structure, has a rib to divide into two parts in the middle of second mounting groove 102, and third mounting groove 103 is a horizontally cuboid space, and runs through on the bottom surface of second mounting groove 102 and third mounting groove 103. The cross-section of the fourth mounting groove 104 is rectangular, the fifth mounting groove 105 and the eighth mounting groove 108 are both composed of two grooves, the cross-section of the fifth mounting groove 105 is rectangular, and the cross-section of the eighth mounting groove 108 is rectangular. A rib is arranged in the middle of the sixth mounting groove 106 and is divided into two parts, the seventh mounting groove 107 is a horizontal cuboid space, and the bottom surface of the sixth mounting groove 106 is penetrated through the upper surface of the seventh mounting groove 107.
As shown in fig. 4, the front end, the middle end and the rear end of the positive and negative guide plates 1 are respectively provided with a vertical branch, the tail ends of the front end and the rear end are both in a U-shaped structure, and the tail end of the middle end is in a W-shaped structure.
As shown in fig. 5, the number of the grounding strips 12 is six, and each grounding strip has a 90 ° bent structure, and the tail end of the bent structure is in a U-shaped branched structure.
As shown in fig. 6, the first upper magnet 3 and the second upper magnet 7 each have an "arch" shape, and the first lower magnet 4 and the second lower magnet 8 each have a rectangular parallelepiped shape.
As shown in fig. 7, the first plate spring 10 and the second plate spring 11 have an i-shaped cross section and rectangular through hole structures on both sides.
In this embodiment, the capacitance value of the first common-mode device is 68nf, the capacitance value of the second common-mode device is 10nf, the capacitance value of the third common-mode device is 220nf, and the grounding ends of the first common-mode device and the third common-mode device are connected with the grounding piece and fixed on the bottom surface of the box body of the controller together with the mounting seat of the mounting seat, so as to realize grounding, filter out low-frequency signal interference and form three rectifications; the first upper magnet and the first lower magnet are formed by firing MnZn materials and can filter medium-frequency signal interference, and the second upper magnet and the second lower magnet are formed by firing NiZn materials and can filter high-frequency signal interference; the first differential mode device is an X1 capacitor of 0.68uf, and can filter high-frequency signal interference; after the rectification in the flow link is completed, when the current flows into the motor controller, the current can be ensured to be pure and free of interference, and the electromagnetic compatibility requirement of the whole vehicle can be met.
The specific assembly process of the filter device integrated with the mounting seat is as follows:
1. firstly, the positive and negative guide plates 1 and the mounting seat 13 are integrally formed by injection molding.
2. Then, the first common-mode device 2 is fixed in the first mounting groove 101 through epoxy potting; then, the first upper magnet 3 is reversely placed in the second mounting groove 102, the first lower magnet 4 is pushed into the third mounting groove 103 and is positioned in the third mounting groove, and then the first upper magnet 3 is tightly pressed on the side wall of the mounting seat 13 by buckling the first plate spring 10; then, fixing the second differential mode device and the third differential mode device in the fifth mounting groove 105 and the eighth mounting groove 108 by epoxy potting; then, the first differential mode device 5 is fixed in the fourth mounting groove 104 by epoxy potting; the second upper magnet 7 is continuously placed in the sixth mounting groove 106 in an inverted manner, the second lower magnet 8 is pushed into the seventh mounting groove 107, and then the second upper magnet 7 is pressed against the side wall of the mounting seat 13 by the second plate spring 11.
3. And finally, fixedly connecting positive pins and negative pins of the first common mode device, the second common mode device and the third common mode device with the front-end, middle-end and rear-end branched structures of the positive guide plate and the negative guide plate 1 respectively through soldering, and fixedly connecting the positive pins and the negative pins of the first differential mode device 5 with the middle-end W-shaped branched structures of the positive guide plate and the negative guide plate through soldering, so that the whole rectifying device is assembled.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A novel high-voltage input rectifying device is characterized by comprising a mounting seat (13), positive and negative guide plates (1) fixed below the mounting seat (13), a rectifying module fixed above the mounting seat (13) and a grounding piece (12);
the positive and negative guide plates (1) comprise positive guide plates and negative guide plates, two ends of each positive and negative guide plate (1) are of flat plate structures, the middle parts of the positive and negative guide plates are of vertical plate structures which are close to each other, and the vertical plates in the middle parts of the positive and negative guide plates (1) are protruded towards two sides to form through holes;
the mounting seat (13) is sequentially provided with a first mounting area, a second mounting area, a third mounting area, a fourth mounting area and a fifth mounting area, and the first mounting area comprises two first mounting grooves (101) which are respectively positioned on two sides of the positive and negative guide plates (1); the second installation area comprises a second installation groove (102) and a third installation groove (103), the middle of the second installation groove (102) is partitioned into two parts, the third installation groove (103) is a cuboid space, and the bottom end of the second installation groove (102) and the top end of the third installation groove (103) penetrate through the second installation groove; the third installation area comprises a fourth installation groove (104) and two fifth installation grooves (105), the fourth installation groove (104) is matched with the through holes in the middle of the positive and negative guide plates (1), and the two fifth installation grooves (105) are respectively positioned on two sides of the fourth installation groove (104); the fourth installation area comprises a sixth installation groove (106) and a seventh installation groove (107), the middle of the sixth installation groove (106) is divided into two parts, the seventh installation groove (107) is a cuboid space, and the bottom end of the sixth installation groove (106) is penetrated through the top end of the seventh installation groove (107); the fifth installation area comprises two eighth installation grooves (108) which are respectively positioned on two sides of the positive and negative guide plates (1).
2. The novel high-voltage input rectifying device according to claim 1, wherein the rectifying module comprises a first magnet device and a second magnet device, the first magnet device and the second magnet device both adopt upper and lower magnet structures, the upper and lower magnet structures comprise an upper magnet and a lower magnet, the upper magnet is of an arch-shaped structure, one side of the upper magnet is provided with a groove for accommodating the positive guide plate and the negative guide plate (1), the lower magnet is of a cuboid structure, and the lower magnet is matched with one side of the upper magnet provided with the groove and closes the groove;
the upper magnet of the first magnet device is arranged in the second mounting groove (102), the lower magnet is arranged in the third mounting groove (103), the upper magnet of the second magnet device is arranged in the sixth mounting groove (106), the lower magnet is arranged in the seventh mounting groove (107), and the first magnet device and the second magnet device are both surrounded on the outer sides of the positive and negative guide plates (1).
3. The novel high-voltage input rectifying device according to claim 2, further comprising a first plate spring (10) and a second plate spring (11), wherein the first plate spring (10) and the second plate spring (11) both adopt an i-shaped plate spring structure, and both ends of the i-shaped plate spring structure are elastic parts and are bent towards the same side; the first plate spring (10) is connected with the mounting seat (13) through elastic crimping, and the main body of the first plate spring (10) is positioned above the first magnet device; the second plate spring (11) is connected to the mounting seat (13) by elastic crimping, and a main body of the second plate spring (11) is located above the second magnet device.
4. A novel high voltage input rectifying device according to claim 3, wherein said main portion of said i-shaped leaf spring structure is concave with respect to both end portions.
5. The novel high-voltage input rectifying device according to claim 2, wherein the rectifying module further comprises a first common-mode device (2), a second common-mode device (6) and a third common-mode device (9), the first common-mode device (2), the second common-mode device (6) and the third common-mode device (9) each comprise two parallel-connected safety capacitors, the first common-mode device (2) is installed in the two first installation grooves (101), the second common-mode device (6) is installed in the two fifth installation grooves (105), and the third common-mode device (9) is installed in the two eighth installation grooves (108);
the positive guide plate is respectively connected with positive pins of the first common-mode device (2), the second common-mode device (6) and the third common-mode device (9), the negative guide plate is respectively connected with negative pins of the first common-mode device (2), the second common-mode device (6) and the third common-mode device (9), and the grounding piece (12) is respectively connected with grounding pins of the first common-mode device (2), the second common-mode device (6) and the third common-mode device (9).
6. The new high voltage input rectifier device according to claim 5, wherein said rectifier module further comprises a first differential mode device (5), said first differential mode device (5) comprising a high frequency interference rejection capacitor, said first differential mode device (5) being mounted in said fourth mounting groove (104).
7. The novel high-voltage input rectifying device according to claim 6, wherein the first common-mode device (2), the second common-mode device (6), the third common-mode device (9) and the first differential-mode device (5) are fixedly installed in the installation seat (13) through potting.
8. The novel high-voltage input rectifying device according to claim 1, wherein the grounding plate (12) comprises a flat plate portion, a bent portion and a vertical plate portion which are connected in sequence, the flat plate portion is connected with the mounting seat (13), and the vertical plate portion is used for connecting a grounding pin.
9. The new high voltage input rectifying device according to claim 1, characterized in that the positive and negative deflectors (1) and the grounding plate (12) are provided with a plurality of U-shaped bifurcations for connecting pins.
10. The novel high-voltage input rectifying device according to claim 1, wherein the mounting seat (13) and the positive and negative flow deflectors (1) are of an integrated plastic-coated molding structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651179.2U CN215990538U (en) | 2021-03-31 | 2021-03-31 | Novel high-voltage input rectifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651179.2U CN215990538U (en) | 2021-03-31 | 2021-03-31 | Novel high-voltage input rectifying device |
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| Publication Number | Publication Date |
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| CN215990538U true CN215990538U (en) | 2022-03-08 |
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| CN202120651179.2U Active CN215990538U (en) | 2021-03-31 | 2021-03-31 | Novel high-voltage input rectifying device |
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| CN (1) | CN215990538U (en) |
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