CN208559260U - Energy-absorption box and vehicle - Google Patents
Energy-absorption box and vehicle Download PDFInfo
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- CN208559260U CN208559260U CN201820521831.7U CN201820521831U CN208559260U CN 208559260 U CN208559260 U CN 208559260U CN 201820521831 U CN201820521831 U CN 201820521831U CN 208559260 U CN208559260 U CN 208559260U
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- absorption box
- dimensional fabric
- fiber
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Abstract
This disclosure relates to a kind of energy-absorption box and vehicle, the energy-absorption box includes energy-absorbing box main body and is embedded in main intracorporal fiber-optic grating sensor.In the energy-absorption box of the disclosure, by burying fiber-optic grating sensor in energy-absorbing box main body, so that vehicle after a period of use, it is not necessary that energy-absorption box is disassembled from vehicle body, fiber grating static state (FBG) demodulator inline diagnosis energy-absorption box degree of impairment can be used directly, to greatly simplifie damage diagnostic operation step.When the structural damage of inline diagnosis energy-absorption box, increases mapping relations by the spectrum change rule and damage of fiber-optic grating sensor reflection and judge energy-absorption box degree of impairment, may make damage diagnostic result more accurate and reliable.
Description
Technical field
This disclosure relates to vehicle energy absorption box, in particular to a kind of carbon fiber for having online diagnosing structural damage function is compound
Material energy absorption box.
Background technique
Current energy-absorption box is mainly the production of the raw material such as steel and aluminium alloy, wherein steel material weight weight itself, however
With the development of modern science and technology, lightweight becomes the inevitable development trend of automobile industry, energy-absorption box made of steel material is aobvious
This demand is so had been unable to meet, aluminium alloy light weight effect is fine, but inhales made of its manufactured energy-absorption box and steel material
Energy box has same problem, and the internal injury that energy-absorption box is generated by fatigue is difficult to detect in the case where not dismantling, Wu Faji
When check energy-absorption box service condition, there are some potential safety problemss.Meanwhile energy-absorption box made of metal material is easy because of rainwater
Impregnate, the antirust coat reasons such as fall off cause to damage, service life is short, and economy is not high.
Utility model content
Purpose of this disclosure is to provide a kind of energy-absorption boxes for having online diagnosing structural damage function.
To achieve the goals above, present disclose provides a kind of energy-absorption box, including energy-absorbing box main body and it is embedded in the suction
Fiber-optic grating sensor in energy box main body.
Optionally, the energy-absorbing box main body includes integrally formed body part and flange part, and the body part is cylindrical in shape knot
Structure, the flange part are formed in the both ends of the body part, are formed with mounting hole on the flange part.
Optionally, the both ends open of the body part.
Optionally, the body part is in the square tubular structure with fillet, and the fiber-optic grating sensor is embedded in institute
It states at four fillets of body part.
Optionally, the fiber-optic grating sensor is U-shaped, and including middle part and two ends, the middle part is buried
If in the body part, and with the body part axis parallel, the end is embedded in the flange part.
Optionally, the energy-absorbing box main body is molded by carbon fibre composite.
Optionally, the energy-absorbing box main body includes the multilayer carbon fiber two-dimensional fabric being successively laid with along its thickness direction, institute
Fiber-optic grating sensor is stated between two layers most intermediate of carbon fiber two-dimensional fabric.
Optionally, the energy-absorbing box main body includes the six layers of carbon fiber two-dimensional fabric set gradually along its thickness direction,
In, first layer carbon fiber two-dimensional fabric is vertical with the laying direction of second layer carbon fiber two-dimensional fabric, third layer carbon fiber two dimension
Fabric is identical as the laying direction of first layer carbon fiber two-dimensional fabric, the 4th layer of carbon fiber two-dimensional fabric and third layer carbon fiber two
The laying direction for tieing up fabric is identical, and the laying direction of layer 5 carbon fiber two-dimensional fabric and the 4th layer of carbon fiber two-dimensional fabric is hung down
Directly, layer 6 carbon fiber two-dimensional fabric is identical as the laying direction of first layer carbon fiber two-dimensional fabric.
The disclosure additionally provides a kind of vehicle, which includes collision prevention girders, and the energy-absorption box is equipped in the collision prevention girders.
In the energy-absorption box of the disclosure, by burying fiber-optic grating sensor in energy-absorbing box main body, so that making in vehicle
After a period of time, fiber grating static state (FBG) demodulator on-line checking energy-absorption box degree of impairment can be used directly, be not necessarily to energy-absorption box
It is disassembled from vehicle body, to greatly simplifie damage check operating procedure.When inline diagnosis energy-absorption box structural damage, according to
Increase mapping relations by the spectrum change rule of fiber-optic grating sensor reflection and damage and judge energy-absorption box degree of impairment, may make
It is more accurate and reliable to damage diagnostic result.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the energy-absorption box schematic diagram according to an embodiment of the present disclosure；
Fig. 2 is the fiber-optic grating sensor schematic diagram in the energy-absorption box according to an embodiment of the present disclosure；
Fig. 3 is the energy-absorption box cross-sectional view according to an embodiment of the present disclosure；
Fig. 4 is the enlarged view of part A in Fig. 3；
Fig. 5 is the energy-absorption box scheme of installation according to an embodiment of the present disclosure.
Description of symbols
10 energy-absorption box, 20 energy-absorbing box main body
201 first layer carbon fiber two-dimensional fabric, 202 second layer carbon fiber two-dimensional fabric
203 the 4th layer of third layer carbon fiber two-dimensional fabric 204 carbon fiber two-dimensional fabric
205 layer 5 carbon fiber two-dimensional fabric, 206 layer 6 carbon fiber two-dimensional fabric
21 body part, 22 flange part
23 mounting hole, 30 fiber-optic grating sensor
31 middle part, 32 end
40 collision prevention girders
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Present disclose provides a kind of energy-absorption boxes, as shown in Figure 1, including energy-absorbing box main body 20 and being embedded in the energy-absorption box master
Intracorporal fiber-optic grating sensor 30.
In the energy-absorption box of the disclosure, by burying fiber-optic grating sensor 30 in energy-absorbing box main body 20, so that in vehicle
After a period of use, without disassembling energy-absorption box 10 from vehicle body, fiber grating static state (FBG) demodulator can be used directly
The degree of impairment of inline diagnosis energy-absorption box 10, to greatly simplifie the operating procedure of damage diagnosis.Inline diagnosis energy-absorption box
When 10 structural damage, the spectrum change rule and damage reflected by fiber-optic grating sensor 30 increases mapping relations judgement and inhales
The degree of impairment of energy box may make damage diagnostic result more accurate and reliable.
In the disclosure, energy-absorbing box main body 20 can have any suitable structure or shape, and the disclosure does not limit this
System.In one embodiment, as shown in Figure 1, energy-absorbing box main body 20 includes integrally formed body part 21 and flange part 22.This
Body portion 21 is cylindrical in shape structure, and flange part 22 is formed in the both ends of body part 21, and flange part 22 is equipped with mounting hole 23, passes through peace
Dress hole 23 connect energy-absorption box 10 with vehicle body (for example, collision prevention girders 40).
In one embodiment, 21 both ends open of body part, is molded with facilitating, while mitigating 10 weight of energy-absorption box
Amount reduces manufacturing cost, can preferable automobile lightweight.
As a preferred embodiment, as shown in Figure 1, the body part 21 of energy-absorbing box main body 20 is in fillet
Square tubular structure, fiber-optic grating sensor 30 is embedded at four fillets of body part 21, as shown in figure 3, relative to ontology
21 other positions of portion, stress is easier to concentrate at fillet, and the damage of generation is bigger, and fiber-optic grating sensor 30 is embedded in fillet
Place, can accurately reflect the faulted condition of energy-absorption box 10, in order to the energy-absorption box 10 more renewed in time, guarantee driving peace
Entirely.
In other embodiments, the body part 21 of energy-absorbing box main body 20 is also possible to rounded tubular structure.This
In the case of, fiber-optic grating sensor 30 can be uniformly arranged along the circumferencial direction of body part 21.For the sheet of energy-absorbing box main body 20
The shape in body portion 21 and the quantity of fiber-optic grating sensor 30, can change according to actual needs, not limit this disclosure
System.
In one embodiment, as depicted in figs. 1 and 2, fiber-optic grating sensor 30 is U-shaped, and including middle part
31 and two ends 32, middle part 31 be embedded in body part 21, and with 21 axis parallel of body part, end 32 is embedded in
In flange part 22, when 10 online diagnosing structural damage of energy-absorption box, the spectrum change rule that is reflected by fiber-optic grating sensor 30
Increase mapping relations with damage and judge 10 degree of impairment of energy-absorption box, which may make damage diagnostic result more accurately may be used
It leans on.
In one embodiment, energy-absorbing box main body 20 is molded by carbon fibre composite.Compared to by metal material
Expect manufactured energy-absorption box, not only weight is lighter for energy-absorption box made of carbon fibre composite, but also will not be because of originals such as rainwater immersions
It is damaged because caused by, long service life, economy is high.
In one embodiment, as shown in figure 3, energy-absorbing box main body 20 includes six layers set gradually along its thickness direction
Carbon fiber two-dimensional fabric, fiber-optic grating sensor 30 is between two layers most intermediate of carbon fiber two-dimensional fabric.By by optical fiber
Grating sensor 30 is arranged between two layers most intermediate of carbon fiber two-dimensional fabric, so that the carbon of 30 two sides of fiber-optic grating sensor
Fibrous material thickness is equal, so as to more objectively react its internal true degree of impairment, in order to safeguard in time or more
Change energy-absorption box 10.
As a preferred embodiment, energy-absorbing box main body 20 includes the six layers of carbon fiber set gradually along its thickness direction
Two-dimensional fabric is tieed up, fiber-optic grating sensor 30 is between two layers most intermediate of carbon fiber two-dimensional fabric, as shown in Figure 4, wherein
First layer carbon fiber two-dimensional fabric 201 is vertical with the laying direction of second layer carbon fiber two-dimensional fabric 202, third layer carbon fiber two
It is identical as the laying direction of first layer carbon fiber two-dimensional fabric 201 to tie up fabric 203, the 4th layer of carbon fiber two-dimensional fabric 204 and the
The laying direction of three layers of carbon fiber two-dimensional fabric 203 is identical, layer 5 carbon fiber two-dimensional fabric 205 and the 4th layer of carbon fiber two dimension
The laying direction of fabric 204 is vertical, the laying of layer 6 carbon fiber two-dimensional fabric 206 and first layer carbon fiber two-dimensional fabric 201
Direction is identical.Further, in one embodiment, first layer carbon fiber two-dimensional fabric 201 can be along energy-absorbing box main body 20
Central axes direction be laid with, second layer carbon fiber two-dimensional fabric 202 can be laid with along the circumferencial direction of energy-absorbing box main body 20.
In other embodiments, energy-absorbing box main body 20 can have the carbon fiber two-dimensional fabric of other quantity, carbon fiber
The laying number of plies of two-dimensional fabric, the paving location for being laid with direction and fiber-optic grating sensor 30, should be with energy-absorption box 10 in reality
In subject to specific embodiment, with no restrictions to this disclosure.
In the disclosure, energy-absorption box 10 is installed in collision prevention girders 40, as shown in figure 5, being mounted with energy-absorbing in low speed collision
The collision prevention girders 40 of box do not occur or occur lesser structure and destroy, and maintenance cost is lower；In high speed collision, 10 energy of energy-absorption box
Biggish impact force is transmitted, can also be destroyed by the structure of energy-absorption box 10 itself and absorb part energy, be further ensured that car
The safety of personnel.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (7)
1. a kind of energy-absorption box, which is characterized in that including energy-absorbing box main body (20) and be embedded in the energy-absorbing box main body (20)
Fiber-optic grating sensor (30), the energy-absorbing box main body (20) are molded by carbon fibre composite, the energy-absorbing box main body
It (20) include the multilayer carbon fiber two-dimensional fabric being successively laid with along its thickness direction, the fiber-optic grating sensor (30) is located at most
Between two layers intermediate of carbon fiber two-dimensional fabric.
2. energy-absorption box according to claim 1, which is characterized in that the energy-absorbing box main body (20) includes integrally formed
Body portion (21) and flange part (22), the body part (21) are cylindrical in shape structure, and the flange part (22) is formed in the body part
(21) both ends are formed with mounting hole (23) on the flange part (22).
3. energy-absorption box according to claim 2, which is characterized in that the both ends open of the body part (21).
4. energy-absorption box according to claim 2, which is characterized in that the body part (21) is in the square tubular with fillet
Structure, the fiber-optic grating sensor (30) are embedded at four fillets of the body part (21).
5. energy-absorption box according to claim 2, which is characterized in that the fiber-optic grating sensor (30) is U-shaped and wraps
Include middle part (31) and two ends (32), the middle part (31) bury in the body part (21) and with the body part
(21) axis parallel, the end (32) are embedded in the flange part (22).
6. energy-absorption box according to claim 1, which is characterized in that the energy-absorbing box main body (20) includes along its thickness direction
The six layers of carbon fiber two-dimensional fabric set gradually, wherein first layer carbon fiber two-dimensional fabric (201) and second layer carbon fiber two dimension
The laying direction of fabric (202) is vertical, third layer carbon fiber two-dimensional fabric (203) and first layer carbon fiber two-dimensional fabric (201)
Laying direction it is identical, the laying direction of the 4th layer of carbon fiber two-dimensional fabric (204) and third layer carbon fiber two-dimensional fabric (203)
Identical, layer 5 carbon fiber two-dimensional fabric (205) is vertical with the laying direction of the 4th layer of carbon fiber two-dimensional fabric (204), and the 6th
Layer carbon fiber two-dimensional fabric (206) is identical as the laying direction of first layer carbon fiber two-dimensional fabric (201).
7. a kind of vehicle, including collision prevention girders (40), which is characterized in that be equipped on the collision prevention girders (40) according to claim 1-
Energy-absorption box described in any one of 6 (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521831.7U CN208559260U (en) | 2018-04-12 | 2018-04-12 | Energy-absorption box and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521831.7U CN208559260U (en) | 2018-04-12 | 2018-04-12 | Energy-absorption box and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208559260U true CN208559260U (en) | 2019-03-01 |
Family
ID=65480338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820521831.7U Active CN208559260U (en) | 2018-04-12 | 2018-04-12 | Energy-absorption box and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208559260U (en) |
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2018
- 2018-04-12 CN CN201820521831.7U patent/CN208559260U/en active Active
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