CN114938595A - Integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and manufacturing method thereof - Google Patents
Integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and manufacturing method thereof Download PDFInfo
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- CN114938595A CN114938595A CN202210688405.3A CN202210688405A CN114938595A CN 114938595 A CN114938595 A CN 114938595A CN 202210688405 A CN202210688405 A CN 202210688405A CN 114938595 A CN114938595 A CN 114938595A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
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- Acoustics & Sound (AREA)
- General Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention discloses an integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and a manufacturing method thereof, which are characterized in that: the integrated electronic box comprises an integrated electronic box body and a multilayer thin-wall metal sandwich board attached to the inner wall surface of the integrated electronic box body, wherein the section of the multilayer thin-wall metal sandwich board is trapezoidal, the multilayer thin-wall metal sandwich board is arranged at intervals in sequence, an electrical component connecting board is fixedly arranged on one side, facing the center of the integrated electronic box body, of the multilayer thin-wall metal sandwich board, screw holes for locking and fixing electronic components are densely distributed in the electrical component connecting board, a buffer spring is arranged between the electrical component connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board, and buffer cavities are formed between the electrical component connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board and between the electrical component connecting board and the inner wall surface of the integrated electronic box body. The integrated shock-resistant vibration-damping vehicle-mounted electric cabinet is beneficial to improving the shock resistance of the electric cabinet and prolonging the service life of the electric cabinet.
Description
Technical Field
The invention relates to an integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and a manufacturing method thereof.
Background
With the development of science and technology and the progress of technology, in the field of automobile electric control, the integration level of an electric control system is higher and higher, the precision of electric elements is higher and higher, but a vehicle-mounted electric control system is often separated, and the integration space is insufficient; in addition, the service performance and the service life of electrical components directly influence the service performance and the service life of an automobile, and in the driving process of the automobile, the automobile inevitably passes through a relatively uneven road surface, so that the whole automobile can generate relatively large vibration, and in addition, the automobile can also be impacted to a certain degree when an accident happens, so that the impact resistance protection of the vehicle-mounted electric cabinet is particularly important.
Also there are some comparatively traditional on-vehicle electric cabinet buffer in the existing market, but traditional buffer compact structure nature is poor, and the radiating effect is poor to the damping effect is poor, and traditional integrated form shock resistance/damping on-vehicle electric cabinet energy-absorbing effect is poor in addition, serious on-vehicle circuit's life.
To sum up, the problem and the defect of current on-vehicle electric cabinet mainly have:
the existing vehicle-mounted electric cabinet is only provided with a simple circuit buffer device inside, so that the protection effect on an internal circuit is poor, when a vehicle runs to a bumpy road surface, the whole vehicle can generate large vibration, and in addition, the vehicle can also receive certain impact when an accident happens, so that the service life of the vehicle-mounted circuit is reduced.
The existing vehicle-mounted electric cabinet often adopts a separated type, the integrated space is not enough, the environmental adaptability is poor, and the metal original inside the electric cabinet is less, so that the heat dissipation capacity of the circuit inside the traditional vehicle-mounted electric cabinet is poor.
Disclosure of Invention
The invention aims to provide an integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and a manufacturing method thereof, and the integrated shock-resistant vibration-damping vehicle-mounted electric cabinet is beneficial to improving the shock resistance and prolonging the service life of the electric cabinet.
The invention discloses an integrated shock-resistant vibration-damping vehicle-mounted electric cabinet, which is characterized in that: the integrated electronic box comprises an integrated electronic box body and a multilayer thin-wall metal sandwich board attached to the inner wall surface of the integrated electronic box body, wherein the section of the multilayer thin-wall metal sandwich board is trapezoidal, the multilayer thin-wall metal sandwich board is arranged at intervals in sequence, an electrical component connecting board is fixedly arranged on one side, facing the center of the integrated electronic box body, of the multilayer thin-wall metal sandwich board, screw holes for locking and fixing electronic components are densely distributed in the electrical component connecting board, a buffer spring is arranged between the electrical component connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board, and buffer cavities are formed between the electrical component connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board and between the electrical component connecting board and the inner wall surface of the integrated electronic box body.
Furthermore, the electric appliance element connecting plates comprise four side wall electric appliance element connecting plates positioned on the side surface of the box body and a middle electric appliance element connecting plate positioned on the bottom surface of the box body.
Furthermore, two sides of the concave bottom wall surface of the multilayer thin-wall metal sandwich board are provided with convex trapezoids, and the electric appliance element connecting plate is fixedly locked on the surfaces of the convex trapezoids through connecting bolts.
Furthermore, the surfaces of the electric appliance element connecting plate opposite to the concave bottom wall are respectively and fixedly provided with an upper spring clamping block and a lower spring clamping block, the buffer spring is a trapezoidal spring, and the upper end and the lower end of the buffer spring are respectively limited between the upper spring clamping block and the lower spring clamping block.
Furthermore, the multilayer thin-wall metal sandwich plate comprises a first thin plate, a first metal damping sandwich layer, a second thin plate, a second metal damping sandwich layer, a third thin plate, a third metal damping sandwich layer and a fourth thin plate which are sequentially stacked, wherein the first thin plate, the first metal damping sandwich layer, the second thin plate, the second metal damping sandwich layer, the third thin plate, the third metal damping sandwich layer and the fourth thin plate are fixed through welding.
Furthermore, each metal damping sandwich layer is a 40-mesh wire mesh, the thickness of each metal damping sandwich layer is 0.5 mm, and the metal damping sandwich layers are made of 304 stainless steel; each thin plate is a metal plate.
Further, a brazing filler metal coating is arranged between the metal damping sandwich layer and the thin plate, the brazing filler metal coating is BNi2, the brazing temperature is 1100 ℃ at 1000-.
The invention discloses a manufacturing method of an integrated shock-resistant vibration-damping vehicle-mounted electric cabinet, which is characterized by comprising the following steps of: the integrated shock-resistant vibration-damping vehicle-mounted electric cabinet comprises an integrated electric cabinet body and a plurality of layers of thin-wall metal sandwich plates attached to the inner wall surface of the integrated electric cabinet body, the sections of the plurality of layers of thin-wall metal sandwich plates are in a trapezoid shape arranged at intervals in sequence, an electric appliance element connecting plate is fixedly arranged on one side of each layer of thin-wall metal sandwich plate, which faces the center of the integrated electric cabinet body, densely distributed screw holes for locking electronic devices, a buffer spring is arranged between each electric appliance element connecting plate and the corresponding sunken bottom wall surface of each layer of thin-wall metal sandwich plate, and buffer cavities are formed between each electric appliance element connecting plate and the corresponding sunken bottom wall surface of each layer of thin-wall metal sandwich plate and between each electric appliance element connecting plate and the inner wall surface of the integrated electric cabinet body; when in manufacturing, the adhesive tape is coated with the adhesive,
step 1, firstly, prefabricating a multilayer thin-wall metal sandwich plate: stacking a plurality of thin plates and a metal wire mesh at intervals, coating a brazing filler metal coating between the thin plates and the metal wire mesh in advance, and brazing, welding and fixing the stacked thin plates and the metal wire mesh to form a flat-plate-shaped metal sandwich plate; stamping the flat-plate-shaped metal sandwich plate to form a multi-layer thin-wall metal sandwich plate with trapezoidal sections arranged at intervals in sequence;
Further, before the stacked sheets and the metal wire mesh are brazed and welded, an upper clamping plate and a lower clamping plate are used for clamping and fixing, wherein a groove for avoiding the sheets and the metal wire mesh is formed in the upper clamping plate.
Further, the step 1 is replaced by: stamping each thin plate and each metal wire mesh in advance to form trapezoids arranged at intervals in sequence, stacking the stamped thin plates and the metal wire meshes at intervals, coating a brazing filler metal coating between the thin plates and the metal wire meshes in advance, and brazing, welding and fixing the stacked thin plates and the metal wire meshes to form the multilayer thin-wall metal sandwich plate.
The integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and the manufacturing method thereof have the advantages that:
1) the invention installs the multilayer thin-wall metal sandwich board and the electrical component connecting board in the integrated electrical box, so that the initial separated vehicle-mounted electrical control box becomes the integrated type, and the problem of insufficient integrated space is solved;
2) the multi-layer thin-wall metal sandwich board is arranged between the side wall electrical component connecting board and the middle electrical component connecting board as well as between the side wall electrical component connecting board and the inner wall of the integrated electrical box, so that the protective effect on the vehicle-mounted circuit board can be well achieved, the impact resistance of the electrical box is improved, and the service durability of the vehicle-mounted circuit board is further improved;
3) the multi-layer thin-wall metal sandwich buffer device has the advantages that the multi-layer metal damping sandwich layer is used as an energy absorption material, so that the multi-layer thin-wall metal sandwich buffer device has the characteristics of high mechanical strength, high temperature resistance, high damping and the like, the metal damping sandwich layer in the buffer device is uniformly woven by metal wires, the elastic effect similar to a spring is kept, and the buffer device is not easy to deform as a whole and has long service life after being impacted;
4) the metal damping sandwich layer is used as a sound absorption material, the internal pores are uniformly and regularly arranged, and the internal porosity can be changed by changing the density of the metal damping sandwich layer so as to adapt to impacts of different degrees, so that the application range is wide; the metal damping sandwich layer as the energy absorption material is made of metal wires, can play a role in heat conduction, and converts energy generated by impact into heat to be dissipated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the front cross-sectional configuration of the present invention;
FIG. 3 is a schematic view of the construction of section A of FIG. 2;
FIG. 4 is a schematic perspective view of a multilayer thin-walled metal sandwich panel of the present invention;
FIG. 5 is a schematic view of the construction of the portion B of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a multi-layer thin-walled metal sandwich panel brazing process according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The integrated shock-resistant vibration-damping vehicle-mounted electric cabinet comprises an integrated electric cabinet body 1 and a multilayer thin-wall metal sandwich plate 2 attached to the inner wall surface of the integrated electric cabinet body, wherein the integrated electric cabinet body 1 is a metal rectangular body, the section of the multilayer thin-wall metal sandwich plate 2 is in a trapezoid shape or a wave shape which are arranged at intervals in sequence, an electrical appliance element connecting plate is fixedly arranged on one side of the multilayer thin-wall metal sandwich plate 2 facing the center of the box body of the integrated electrical box, the electrical component connecting plate comprises four side wall electrical component connecting plates 3 positioned on the side surface of a box body and an intermediate electrical component connecting plate 4 positioned on the bottom surface of the box body, wherein the side wall electrical component connecting plates 3 and the intermediate electrical component connecting plate 4 can both adopt metal plates or plastic plates, screw holes 5 for locking and fixing electronic devices are densely distributed on the electrical component connecting plates, and the screw holes 5 can be arranged in a matrix mode.
A buffer spring 8 is arranged between the electric appliance element connecting plate and the concave bottom wall surface of the multilayer thin-wall metal sandwich plate, the buffer spring 8 is a trapezoidal spring, an upper spring clamping block 6 and a lower spring clamping block 7 are fixedly arranged on the surfaces of the electric appliance element connecting plate and the concave bottom wall, and the upper end and the lower end of the buffer spring 8 are respectively limited between the upper spring clamping block 6 and the lower spring clamping block 7.
The two sides of the concave bottom wall surface of the multilayer thin-wall metal sandwich board are provided with convex trapezoids 13, the electric appliance element connecting plate is locked and fixed on the surfaces of the convex trapezoids through connecting bolts 11, and the electric appliance element connecting plate and the concave bottom wall surface form a buffer cavity.
Further, the multilayer thin-wall metal sandwich plate 2 comprises a first thin plate 201, a first metal damping sandwich layer 202, a second thin plate 203, a second metal damping sandwich layer 204, a third thin plate 205, a third metal damping sandwich layer 206 and a fourth thin plate 207 which are sequentially stacked, wherein the first thin plate, the first metal damping sandwich layer, the second thin plate, the second metal damping sandwich layer, the third thin plate, the third metal damping sandwich layer and the fourth thin plate are fixed through welding; wherein each metal damping sandwich layer can be a 40-mesh wire mesh, the thickness can be 0.5 mm, and the materials are all 304 stainless steel; each thin plate is a metal plate, and the thickness can also be 0.5 mm.
Further, in order to conveniently realize the welding and fixing of the metal damping sandwich layer and the thin plate, a brazing filler metal coating 208 is arranged between the metal damping sandwich layer and the thin plate, the brazing filler metal coating is BNi2, the brazing temperature is 1000-1100 ℃, the brazing filler metal coating can be melted to realize the welding and fixing of the metal damping sandwich layer and the thin plate, in order to conveniently realize the pre-fixing of the metal damping sandwich layer and the thin plate before the welding, an upper clamping plate 9 and a lower clamping plate 10 are used for clamping and fixing before the brazing and the welding and fixing of the laminated thin plates and the metal wire mesh, wherein the upper clamping plate is provided with a groove for avoiding the thin plates and the metal wire mesh.
The invention relates to a manufacturing method of an integrated shock-resistant vibration-damping vehicle-mounted electric cabinet, which comprises an integrated electric cabinet body and a plurality of layers of thin-wall metal sandwich plates attached to the inner wall surface of the integrated electric cabinet body, wherein the cross sections of the plurality of layers of thin-wall metal sandwich plates are trapezoids arranged at intervals in sequence, one side of each layer of thin-wall metal sandwich plate, which faces the center of the integrated electric cabinet body, is fixedly provided with an electric appliance element connecting plate, the electric appliance element connecting plate is densely provided with screw holes for locking electronic devices, a buffer spring is arranged between each electric appliance element connecting plate and the corresponding sunken bottom wall surface of each layer of thin-wall metal sandwich plate, and buffer cavities are formed between each electric appliance element connecting plate and the corresponding sunken bottom wall surface of each layer of thin-wall metal sandwich plate as well as between each electric appliance element connecting plate and the inner wall surface of the integrated electric cabinet body; when the composite material is manufactured, the composite material is prepared,
step 1, firstly, prefabricating a multilayer thin-wall metal sandwich panel: stacking a plurality of thin plates and a metal wire mesh at intervals, coating a brazing filler metal coating between the thin plates and the metal wire mesh in advance, and brazing, welding and fixing the stacked thin plates and the metal wire mesh to form a flat-plate-shaped metal sandwich plate; stamping the flat-plate-shaped metal sandwich plate to form a multi-layer thin-wall metal sandwich plate with trapezoidal sections arranged at intervals in sequence;
Further, the step 1 is replaced by: the method comprises the steps of stamping each thin plate and each metal wire mesh in advance to form trapezoids arranged at intervals in sequence, stacking the stamped thin plates and the metal wire meshes at intervals, coating a brazing filler metal coating between the thin plates and the metal wire meshes in advance, and brazing, welding and fixing the stacked thin plates and the metal wire meshes to form the multilayer thin-wall metal sandwich plate.
The integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and the manufacturing method thereof have the advantages that:
1) the invention installs the trapezoidal multilayer thin-wall metal sandwich board and the electrical component connecting board on the four walls inside the integrated electrical box, so that the original separated vehicle-mounted electrical cabinet is changed into an integrated form, and the problem of insufficient integration space is solved;
2) the multi-layer thin-wall metal sandwich board is arranged between the side wall electrical component connecting board and the middle electrical component connecting board as well as between the side wall electrical component connecting board and the inner wall of the integrated electrical box, so that the protective effect on the vehicle-mounted circuit board can be well achieved, the impact resistance of the electrical box is improved, and the service durability of the vehicle-mounted circuit board is further improved;
3) the multi-layer thin-wall metal sandwich buffer device has the advantages that the multi-layer metal damping sandwich layer is used as an energy absorption material, so that the multi-layer thin-wall metal sandwich buffer device has the characteristics of high mechanical strength, high temperature resistance, high damping and the like, the metal damping sandwich layer in the buffer device is uniformly woven by metal wires, the elastic effect similar to a spring is kept, and the buffer device is not easy to deform as a whole and has long service life after being impacted;
4) the metal damping sandwich layer is used as a sound absorption material, the internal pores are uniformly and regularly arranged, and the internal porosity can be changed by changing the density of the metal damping sandwich layer so as to adapt to impacts of different degrees and have wide application range; the metal damping sandwich layer used as the energy absorption material is made of metal wires, can play a role in heat conduction, and converts energy generated by impact into heat to be dissipated.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (10)
1. The utility model provides an on-vehicle electric cabinet of damping shocks resistance of integrated form which characterized in that: the integrated electronic box comprises an integrated electronic box body and a multilayer thin-wall metal sandwich board attached to the inner wall surface of the integrated electronic box body, wherein the section of the multilayer thin-wall metal sandwich board is trapezoidal, the multilayer thin-wall metal sandwich board is arranged at intervals in sequence, an electrical component connecting board is fixedly arranged on one side, facing the center of the integrated electronic box body, of the multilayer thin-wall metal sandwich board, screw holes for locking and fixing electronic components are densely distributed in the electrical component connecting board, a buffer spring is arranged between the electrical component connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board, and buffer cavities are formed between the electrical component connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board and between the electrical component connecting board and the inner wall surface of the integrated electronic box body.
2. The integrated shock-resistant vibration-damping vehicle-mounted electric cabinet according to claim 1, characterized in that: the electrical component connecting plate comprises four side wall electrical component connecting plates positioned on the side surface of the box body and a middle electrical component connecting plate positioned on the bottom surface of the box body.
3. The integrated impact-resistant vibration-damping vehicle-mounted electric cabinet according to claim 1 or 2, characterized in that: the two sides of the concave bottom wall surface of the multilayer thin-wall metal sandwich board are provided with convex trapezoids, and the electric appliance element connecting plate is locked and fixed on the surfaces of the convex trapezoids through connecting bolts.
4. The integrated impact-resistant vibration-damping vehicle-mounted electric cabinet according to claim 3, characterized in that: the opposite surfaces of the electric appliance element connecting plate and the sunken bottom wall are respectively fixedly provided with an upper spring clamping block and a lower spring clamping block, the buffer spring is a trapezoidal spring, and the upper end and the lower end of the buffer spring are respectively limited between the upper spring clamping block and the lower spring clamping block.
5. The integrated shock-resistant vibration-damping vehicle-mounted electric cabinet according to claim 4, characterized in that: the multilayer thin-wall metal sandwich plate comprises a first thin plate, a first metal damping sandwich layer, a second thin plate, a second metal damping sandwich layer, a third thin plate, a third metal damping sandwich layer and a fourth thin plate which are sequentially stacked, wherein the first thin plate, the first metal damping sandwich layer, the second thin plate, the second metal damping sandwich layer, the third thin plate, the third metal damping sandwich layer and the fourth thin plate are fixed through welding.
6. The integrated shock-resistant vibration-damping vehicle-mounted electric cabinet according to claim 5, characterized in that: each metal damping sandwich layer is a 40-mesh wire mesh, the thickness of each metal damping sandwich layer is 0.5 mm, and the materials of the metal damping sandwich layers are 304 stainless steel; each thin plate is a metal plate.
7. The integrated impact-resistant vibration-damping vehicle-mounted electric cabinet according to claim 6, characterized in that: and a brazing filler metal coating is arranged between the metal damping sandwich layer and the thin plate, the brazing filler metal coating is BNi2, the brazing temperature is 1000-1100 ℃, and the brazing filler metal coating is melted to realize the welding fixation of the metal damping sandwich layer and the thin plate.
8. A manufacturing method of an integrated shock-resistant vibration-damping vehicle-mounted electric cabinet is characterized by comprising the following steps: the integrated shock-resistant vibration-damping vehicle-mounted electric cabinet comprises an integrated electric cabinet body and a multilayer thin-wall metal sandwich board attached to the inner wall surface of the integrated electric cabinet body, the section of the multilayer thin-wall metal sandwich board is in a trapezoid shape arranged at intervals in sequence, an electric appliance element connecting board is fixedly arranged on one side of the multilayer thin-wall metal sandwich board, which faces the center of the integrated electric cabinet body, and is densely distributed with screw holes for locking electronic devices, buffer springs are arranged between the electric appliance element connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board, and buffer cavities are formed between the electric appliance element connecting board and the concave bottom wall surface of the multilayer thin-wall metal sandwich board and between the electric appliance element connecting board and the inner wall surface of the integrated electric cabinet body; when in manufacturing, the adhesive tape is coated with the adhesive,
step 1, firstly, prefabricating a multilayer thin-wall metal sandwich panel: stacking a plurality of thin plates and a metal wire mesh at intervals, coating a brazing filler metal coating between the thin plates and the metal wire mesh in advance, and brazing, welding and fixing the stacked thin plates and the metal wire mesh to form a flat-plate-shaped metal sandwich plate; stamping the flat-plate-shaped metal sandwich plate to form a multi-layer thin-wall metal sandwich plate with trapezoidal sections arranged at intervals in sequence;
step 2, cutting the multilayer thin-wall metal sandwich board according to the size requirement, fixedly connecting the multilayer thin-wall metal sandwich board with the inner wall surface of the integrated electrical box in a welding or bolt connection mode, and fixedly connecting a side wall electrical component connecting plate in the electrical component connecting plates with the multilayer thin-wall metal sandwich board through connecting bolts;
step 3, an intermediate electric element connecting plate in the electric element connecting plates is installed: before the middle electrical appliance element connecting plate is installed, firstly, a buffer spring needs to be installed, firstly, three lower spring clamping blocks are fixedly installed at the middle position of the bottom of the multilayer thin-wall metal sandwich plate in an equidistant mode through a welding mode, secondly, trapezoidal springs are installed on the three lower spring clamping blocks respectively, in addition, upper spring clamping blocks are fixedly installed at the corresponding positions of the middle electrical appliance element connecting plate, finally, the middle electrical element connecting plate is fixedly connected with the multilayer thin-wall metal sandwich plate through connecting bolts, and in addition, the buffer spring can be clamped by the upper spring clamping blocks and the lower spring clamping blocks.
9. The manufacturing method of the integrated shock-resistant vibration-damping vehicle-mounted electric cabinet according to claim 8, characterized in that: before the stacked sheets and the metal wire mesh are brazed and welded, the upper clamping plate and the lower clamping plate are used for clamping and fixing, wherein the upper clamping plate is provided with a groove for avoiding the sheets and the metal wire mesh.
10. The manufacturing method of the integrated impact-resistant vibration-damping vehicle-mounted electric cabinet according to claim 8, characterized by comprising the following steps of: the step 1 is replaced by the following steps: stamping each thin plate and each metal wire mesh in advance to form trapezoids arranged at intervals in sequence, stacking the stamped thin plates and the metal wire meshes at intervals, coating a brazing filler metal coating between the thin plates and the metal wire meshes in advance, and brazing, welding and fixing the stacked thin plates and the metal wire meshes to form the multilayer thin-wall metal sandwich plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210688405.3A CN114938595B (en) | 2022-06-17 | 2022-06-17 | Integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210688405.3A CN114938595B (en) | 2022-06-17 | 2022-06-17 | Integrated shock-resistant vibration-damping vehicle-mounted electric cabinet and manufacturing method thereof |
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| CN114938595A true CN114938595A (en) | 2022-08-23 |
| CN114938595B CN114938595B (en) | 2023-04-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203308017U (en) * | 2013-06-21 | 2013-11-27 | 魏科峰 | Metal cover shield for rain and sunlight with sound-insulation and thermal-insulation functions |
| CN204524806U (en) * | 2015-03-30 | 2015-08-05 | 滁州学院 | A kind of lathe supporting seat |
| CN112032232A (en) * | 2020-09-30 | 2020-12-04 | 福州大学 | Metal corrugated composite sandwich buffer component and installation method thereof |
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- 2022-06-17 CN CN202210688405.3A patent/CN114938595B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203308017U (en) * | 2013-06-21 | 2013-11-27 | 魏科峰 | Metal cover shield for rain and sunlight with sound-insulation and thermal-insulation functions |
| CN204524806U (en) * | 2015-03-30 | 2015-08-05 | 滁州学院 | A kind of lathe supporting seat |
| CN112032232A (en) * | 2020-09-30 | 2020-12-04 | 福州大学 | Metal corrugated composite sandwich buffer component and installation method thereof |
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| CN114938595B (en) | 2023-04-25 |
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