CN217002282U - Noise elimination jar body, electric vacuum pump assembly and vehicle - Google Patents
Noise elimination jar body, electric vacuum pump assembly and vehicle Download PDFInfo
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- CN217002282U CN217002282U CN202220636734.9U CN202220636734U CN217002282U CN 217002282 U CN217002282 U CN 217002282U CN 202220636734 U CN202220636734 U CN 202220636734U CN 217002282 U CN217002282 U CN 217002282U
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Abstract
The utility model provides a noise elimination tank body, an electric vacuum pump assembly and a vehicle, and relates to the technical field of vehicles. The utility model relates to a silencing tank which is arranged at an exhaust port of an electric vacuum pump and comprises a shell and a partition plate assembly. The casing is including setting up air inlet and the gas outlet at two relative tip respectively, and the air inlet communicates with electric vacuum pump's gas vent. The baffle plate assembly divides the shell into at least two chambers, a through hole is formed in the position of the baffle plate assembly so that gas between different chambers can flow, and the gas inlet and the gas outlet are communicated with different chambers respectively so that gas exhausted from the gas outlet of the electric vacuum pump flows out of the gas outlet after passing through the through holes in different chambers and the baffle plate. The noise elimination jar body of this embodiment makes the gas that flows from electric vacuum pump pass through the separation, the friction and the speed reduction back of cavity and through-hole when the noise elimination jar body, has reduced gaseous vibration energy to noise reduction improves user's use and experiences.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a noise elimination tank body, an electric vacuum pump assembly and a vehicle.
Background
All be matchd with electric vacuum pump on the present electricelectric motor car, and electric vacuum pump is under the drive of motor, outside the air of vacuum system through exhaust passage discharge system, at this process, the air velocity of compression is big, and gas when exhaust passage discharges, can produce the high frequency noise, and this noise influences driver's use impression. In addition, the electric vacuum pump can suck moisture and air backwards in the process of stopping after being used, and further the use of the electric vacuum pump is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the first aspect of the present invention is to provide a sound-deadening tank body which solves the problem of high noise of the electric vacuum pump in the prior art.
Another object of the first aspect of the present invention is to solve the technical problem that the electric vacuum pump affects the use of the electric vacuum pump due to suck-back.
It is an object of a second aspect of the utility model to provide an electric vacuum pump comprising a sound-damping canister as described above.
It is an object of a third aspect of the utility model to provide a vehicle incorporating an electric vacuum pump as described above.
In particular, the present invention provides a sound-muffling tank body provided at an exhaust port of an electric vacuum pump, comprising:
the shell comprises an air inlet and an air outlet which are respectively arranged at two opposite end parts, and the air inlet is communicated with the exhaust port of the electric vacuum pump; and
the partition plate assembly divides the shell into at least two chambers, a through hole is formed in the partition plate assembly so that gas between different chambers can flow, the gas inlet and the gas outlet are communicated with different chambers respectively, and therefore gas exhausted from the gas outlet of the electric vacuum pump flows out of the gas outlet after passing through the through holes in different chambers and partition plates.
Optionally, the baffle subassembly includes at least two vertically extending risers, and is a plurality of the riser will the casing partition becomes a plurality of cavities, and each riser department all is provided with the through-hole, and different cavities pass through the through-hole intercommunication of riser department, the air inlet with the gas outlet communicates with different cavities respectively.
Optionally, the baffle subassembly still includes at least one longitudinal extension's diaphragm, the diaphragm is located inside the casing, with a lateral wall of casing leaves and predetermines the clearance, the diaphragm with two among them the riser reaches form between the lateral wall of casing with the first cavity of air inlet intercommunication and with the second cavity of gas outlet intercommunication.
Optionally, the quantity of riser is four, sets up side by side, the quantity of diaphragm is one, four the riser the diaphragm with the casing lateral wall will four cavities are formed to the casing, each the cavity is through setting up on the riser the through-hole intercommunication.
Optionally, the horizontal plate is parallel to the side wall of the housing, and each of the vertical plates is perpendicular to the horizontal plate.
Optionally, two risers that are located the middle with the diaphragm and the casing lateral wall form with the air inlet intercommunication first cavity, be located both sides the riser with the diaphragm, the middle riser and the casing form and are located two third cavities of first cavity both sides, other spaces are the second cavity, the third cavity with the gas outlet intercommunication, follow the air inlet get into the gas flow of first cavity is through behind the third cavity via the gas outlet of second cavity department flows out.
Optionally, the through holes on the two middle vertical plates are arranged at a position close to one end far away from the air inlet.
Optionally, the through holes on the two risers on the side are arranged at an end position opposite to the position of the through hole arranged on the riser in the middle.
Particularly, the utility model also provides an electric vacuum pump assembly which comprises an electric vacuum pump and the silencing tank.
In particular, the utility model also provides a vehicle comprising an electric vacuum pump assembly as described above.
The noise elimination jar body in this scheme includes casing and baffle subassembly, and the baffle subassembly becomes two at least cavities with the casing interval, and air inlet and gas outlet respectively with the cavity intercommunication of difference, and then make the separation, the friction and the speed reduction back through cavity and through-hole when the noise elimination jar body of following the gas that electric vacuum pump flows, reduced gaseous vibration energy to noise reduction improves user's use and experiences.
Further, because the noise elimination jar body can include the casing, the inside design of casing has a plurality of cavities, can make external steam, impurity etc. suck back to the noise elimination jar internal portion because of electric vacuum pump internal pressure differential in the twinkling of an eye of electric vacuum pump stop work, with steam, impurity etc. when electric vacuum pump continues to use discharging, avoid steam, impurity etc. directly get into electric vacuum pump in, reduced the probability that electric vacuum pump took place the problem.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of an electric vacuum pump in connection with a sound damping canister according to one embodiment of the present invention;
FIG. 2 is a schematic block diagram of another angle at which an electric vacuum pump is connected to a sound damping canister according to one embodiment of the present invention;
FIG. 3 is a schematic block diagram of the gas flow direction of an electric vacuum pump according to one embodiment of the present invention;
FIG. 4 is a schematic block diagram of a sound damping canister according to one embodiment of the present invention;
FIG. 5 is a schematic perspective view of a sound damping canister according to one embodiment of the present invention;
FIG. 6 is another angled schematic perspective view of a sound damping canister according to an embodiment of the present invention;
FIG. 7 is a schematic block diagram of the internal gas flow direction of a sound damping tank according to one embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a sound-damping canister with another angle of internal gas flow according to one embodiment of the utility model.
Detailed Description
As a specific embodiment of the present invention, as shown in fig. 1 to 8, the present embodiment provides a sound-muffling tank 100, the sound-muffling tank 100 being disposed at an exhaust port 201 (shown in fig. 1 to 3) of an electric vacuum pump 200. Specifically, as shown in fig. 4-8, the sound-damping canister 100 may include a housing 10 and a diaphragm assembly 20. Wherein, the housing 10 may include an air inlet 11 and an air outlet 12 respectively disposed at two opposite ends, the air inlet 11 being communicated with the exhaust port 201 of the electric vacuum pump 200. The partition plate assembly 20 partitions the housing 10 into at least two chambers, a through hole 40 is formed at the partition plate assembly 20 to allow gas to flow between different chambers, and the gas inlet 11 and the gas outlet 12 are respectively communicated with different chambers, so that gas exhausted from the exhaust port 201 of the electric vacuum pump 200 passes through the through holes 40 at different chambers and partition plates and then flows out from the gas outlet 12.
The sound-deadening tank 100 in this embodiment is disposed at the exhaust port 201 of the electric vacuum pump 200, so that the gas exiting from the electric vacuum pump 200 is exhausted after passing through the sound-deadening tank 100. The sound attenuation tank body 100 of the embodiment comprises a shell 10 and a partition plate assembly 20, the partition plate assembly 20 divides the shell 10 into at least two chambers, and the air inlet 11 and the air outlet 12 are respectively communicated with different chambers, so that after the gas flowing out of the electric vacuum pump 200 passes through the chambers and the through holes 40 and is blocked, rubbed and decelerated, the vibration energy of the gas is reduced, the noise is reduced, and the use experience of a user is improved.
In addition, because the sound attenuation tank 100 comprises the shell 10, and a plurality of chambers are designed in the shell 10, external water vapor, impurities and the like can be sucked back into the sound attenuation tank 100 due to the internal pressure difference of the electric vacuum pump 200 in the moment that the electric vacuum pump 200 stops working, and the water vapor, the impurities and the like can be discharged when the electric vacuum pump 200 is continuously used, so that the water vapor, the impurities and the like are prevented from directly entering the electric vacuum pump 200, and the probability of problems of the electric vacuum pump 200 is reduced.
As a specific embodiment of the present invention, the partition plate assembly 20 of the present embodiment may include at least two longitudinally extending risers 21, the plurality of risers 21 partition the casing 10 into a plurality of chambers, each riser 21 is provided with a through hole 40, different chambers are communicated through the through holes 40 at the risers 21, and the air inlet 11 and the air outlet 12 are respectively communicated with different chambers.
Specifically, in the embodiment, the air inlet 11 is designed at the top end of the casing 10, and the baffle plate assembly 20 includes the vertical plate 21 extending longitudinally, so that the air entering the casing 10 from the air outlet 201 can directly flow downwards, thereby avoiding large impact on the sound-absorbing tank 100 and reducing noise. The air inlet 11 and the air outlet 201 are arranged in different chambers, so that air entering the sound-deadening tank body 100 can be exhausted after being expanded, blocked and decelerated in different display modes, and noise is further eliminated.
As a specific embodiment of the present invention, the partition assembly 20 of the present embodiment may further include at least one longitudinally extending transverse plate 22, the transverse plate 22 is located inside the casing 10 and has a predetermined gap with one side wall of the casing 10, and a first chamber 31 communicating with the air inlet 11 and a second chamber 33 communicating with the air outlet 12 are formed between the transverse plate 22 and two of the vertical plates 21 and the side wall of the casing 10.
Of course, as another embodiment (not shown in the figures), the number of the transverse plates can also include two, and the two transverse plates and the plurality of vertical plates divide the sound attenuation tank into a plurality of chambers. Wherein, the first chamber is communicated with the air inlet, and the second chamber is communicated with the air outlet.
In either embodiment, after entering the first chamber, the gas will flow through the through holes 40 into the other chambers and will eventually flow to the second chamber, and out of the sound damping tank 100.
As a specific embodiment of the present invention, the number of the vertical plates 21 in the present embodiment is four, the vertical plates 21 are arranged side by side, the number of the horizontal plates 22 is one, and the four vertical plates 21, the horizontal plates 22 and the side walls of the housing 10 form four chambers in the housing 10, and each chamber is communicated with each other through the through holes 40 arranged on the vertical plates 21.
Specifically, the housing 10 is designed to have four chambers by using four vertical plates 21 and one horizontal plate 22, and the air enters the sound-deadening tank 100 from the air inlet 11, passes through the four chambers, and then flows out from the air outlet 12.
In a specific embodiment, the gas may flow to different chambers in sequence, or may flow from the middle to both sides and then converge to the last chamber and then flow out from the gas outlet 12.
As a specific embodiment of the present invention, the horizontal plate 22 of the present embodiment is parallel to the side wall of the housing 10, and each vertical plate 21 is perpendicular to the horizontal plate 22.
As a specific embodiment of the present invention, in the embodiment, the two middle vertical plates 211, the horizontal plate 22 and the side wall of the housing 10 form a first chamber 31 communicated with the air inlet 11, the two side vertical plates 212, the horizontal plate 22, the middle vertical plate 211 and the housing 10 form two third chambers 32 located at two sides of the first chamber 31, the other spaces are second chambers, the third chambers 32 are communicated with the air outlet 12, and the air entering the first chamber 31 from the air inlet 11 flows through the third chambers 32 and then flows out through the air outlet 12 at the second chambers 33.
Specifically, the air inlet 11 is disposed at the top end of the housing 10, the air inlet 11 is communicated with the first chamber 31 located in the middle, the air entering the first chamber 31 enters the third chambers 32 on the sides from the through holes 40 on the vertical plates 212 on both sides, and the air entering the third chambers 32 enters the second chambers 33 through the through holes 40 on the vertical plates 212 on both sides and flows out from the air outlets 12 communicated with the second chambers 33.
As a specific example of the present invention, the through holes 40 of the two intermediate risers 211 of the present embodiment are provided near an end position far from the air inlet 11.
In this embodiment, in particular, the through holes 40 on the two middle risers 211 are near the bottom of the casing 10.
As a specific example of the present invention, the through holes 40 on the two risers 212 on the lateral side of the present embodiment are provided at positions on one end opposite to the positions of the through holes 40 provided on the riser 211 in the middle.
Specifically, the through holes 40 of the risers 212 on both sides are located near the top of the casing 10.
As a specific embodiment of the present invention, the present embodiment provides an electric vacuum pump assembly 300, and the electric vacuum pump assembly 300 may include an electric vacuum pump 200 and an upper sound-deadening tank 100. Specifically, the electric vacuum pump 200 of the present embodiment retains the exhaust port 201, and the exhaust port 201 extends downward. The sound attenuation tank 100 comprises an air inlet 11, the air inlet 11 is located at the top of the sound attenuation tank 100, the air inlet 11 is matched with an air outlet 201, the sound attenuation tank 100 is reversely buckled at the air outlet 201 of the electric vacuum pump 200 and is located on the side edge of the electric vacuum pump 200, and the electric vacuum pump 200 is prevented from moving and loosening.
As one specific example of the present invention, the present embodiment provides a vehicle that may include the electric vacuum pump assembly 300 described above.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The utility model provides a noise elimination jar body, sets up in electric vacuum pump's exhaust port department, its characterized in that includes:
the shell comprises an air inlet and an air outlet which are respectively arranged at two opposite end parts, and the air inlet is communicated with the exhaust port of the electric vacuum pump; and
the partition plate assembly divides the shell into at least two chambers, a through hole is formed in the partition plate assembly so that gas between different chambers can flow, the gas inlet and the gas outlet are communicated with different chambers respectively, and therefore gas exhausted from the gas outlet of the electric vacuum pump flows out of the gas outlet after passing through the through holes in different chambers and partition plates.
2. The sound-damping tank of claim 1,
the baffle subassembly includes two at least longitudinal extension's riser, and is a plurality of the riser will the casing interval becomes a plurality of cavities, and each riser department all is provided with the through-hole, different cavities pass through riser department the through-hole intercommunication, the air inlet with the gas outlet communicates with the cavity of difference respectively.
3. An acoustic canister as claimed in claim 2,
the baffle subassembly still includes at least one longitudinal extension's diaphragm, the diaphragm is located inside the casing, with a lateral wall of casing leaves and predetermines the clearance, the diaphragm with two of them the riser reaches form between the lateral wall of casing with the first cavity of air inlet intercommunication and with the second cavity of gas outlet intercommunication.
4. An acoustic canister as claimed in claim 3,
the quantity of riser is four, sets up side by side, the quantity of diaphragm is one, four the riser the diaphragm with the casing lateral wall will four cavities are formed to the casing, each the cavity is through setting up on the riser the through-hole intercommunication.
5. The muffling tank of claim 4,
the diaphragm with the casing lateral wall is parallel, each the riser all with the diaphragm sets up perpendicularly.
6. A sound-damping can body according to claim 4 or 5,
the vertical plates and the transverse plates in the middle and the side walls of the shell form a first cavity communicated with the air inlet, the vertical plates and the transverse plates in the two sides, the vertical plates in the middle and the shell form two third cavities in the two sides of the first cavity, the other spaces are the second cavities, the third cavities are communicated with the air outlet, and air entering the first cavity from the air inlet flows through the third cavities and then flows out from the air outlet at the second cavities.
7. A sound-damping can body according to claim 4 or 5,
the through holes in the middle are formed in the positions, close to one end far away from the air inlet, of the vertical plates.
8. The sound-muffling tank of claim 7,
the through holes on the two vertical plates on the side edges are arranged at the position of one end opposite to the position of the through hole arranged on the vertical plate in the middle.
9. An electric vacuum pump assembly comprising an electric vacuum pump and a sound-damping canister as claimed in any one of claims 1 to 8.
10. A vehicle comprising an electric vacuum pump assembly according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220636734.9U CN217002282U (en) | 2022-03-22 | 2022-03-22 | Noise elimination jar body, electric vacuum pump assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220636734.9U CN217002282U (en) | 2022-03-22 | 2022-03-22 | Noise elimination jar body, electric vacuum pump assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002282U true CN217002282U (en) | 2022-07-19 |
Family
ID=82370022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220636734.9U Active CN217002282U (en) | 2022-03-22 | 2022-03-22 | Noise elimination jar body, electric vacuum pump assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002282U (en) |
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2022
- 2022-03-22 CN CN202220636734.9U patent/CN217002282U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Chongqing Ruilan Automobile Research Institute Co.,Ltd. Address before: No. 3366, Weiwu Road, dajiangdong industrial agglomeration zone, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |