CN206280313U - A kind of utilization image recognition technique detects the piston accumulator of piston displacement - Google Patents
A kind of utilization image recognition technique detects the piston accumulator of piston displacement Download PDFInfo
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- CN206280313U CN206280313U CN201621190328.5U CN201621190328U CN206280313U CN 206280313 U CN206280313 U CN 206280313U CN 201621190328 U CN201621190328 U CN 201621190328U CN 206280313 U CN206280313 U CN 206280313U
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- piston
- end cap
- image recognition
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- port end
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Abstract
The utility model is related to hydraulic pressure auxiliary element technical field, and more particularly to a kind of utilization image recognition technique detects the piston accumulator of piston displacement, including cylinder body, gas port end cap, piston, hydraulic fluid port end cap.The gas port end cap includes inflation valve module, image recognition component, end cap protective cover, pallet.The image recognition component includes image capturing processing assembly, optical lens group, flash of light mirror, communication cable.Labyrinth seal and O-ring seal A are provided between the optical lens group and the gas port end cap.The air cavity side end face coating black glue of the piston, forms donut, used as detection shooting object.The piston air cavity side end face lower section is formed around several oleophobic through holes.The utility model can in real time obtain the information such as displacement, instantaneous velocity and the instantaneous acceleration of internal piston；Sealing is not influenceed because installing measurement displacement component additional；The accuracy of information is can ensure that simultaneously, realizes piston accumulator on-line monitoring function.
Description
Technical field
The utility model is related to hydraulic pressure auxiliary element technical field, and more particularly to a kind of detection using image recognition technique is lived
Fill in the piston accumulator of displacement.
Background technology
With continuing to develop and scientific and technical continuous progress for the big production of modernization, plant equipment is just towards large-scale, height
Speed, it is accurate, continuously run and baroque direction is developed.It is to ensure it that on-line monitoring is carried out to accumulator and hydraulic test
Safe and stable, long period, at full capacity, the important measures of high-performance, high accuracy, low cost operation.
Existing piston accumulator internal piston displacement is invisible, can not be detected, therefore piston accumulator is in liquid
When being used in pressure system, working condition can not possibly realize on-line monitoring.Application No. " 201610201694.4 ", it is entitled " to be based on
The patent of invention technology of the piston accumulator piston real-time displacement measuring method of image recognition technology ", discloses and utilizes image
The method that identification technology measures piston accumulator piston displacement in real time.Party's law technology is novel, and logic is complete, actual operable
Property it is strong, opened one's minds well to realize that piston accumulator on-line monitoring is provided.But in patent document, emphasize to utilize more
Image recognition technology measures the Principle Method of displacement in real time, and the description to mechanical structure assembling is little.Piston accumulator is work
Make in high-pressure oil passage, sealing is very important problem, when measurement displacement component is installed in piston accumulator, how to protect
Card sealing problem is little or unreasonable described in above-mentioned patent document, and it is the difficulty that this technology is implemented to ensure sealing
Point, is also critical problem.
Piston in piston accumulator is moved in cylinder body, needs must have lubricating oil, piston on piston and cylinder body contact surface
On guide ring or sealing ring easily draw poly- lubricating oil, accumulate to the end face of piston air cavity side.According to retouching for above-mentioned patent document
State, the end face donut of detection shooting pair as if piston air cavity side, therefore accumulate in the lubricating oil of piston air cavity side end face and incite somebody to action
Influence detection shooting, causes detection signal error unfounded.
The content of the invention
The utility model is to solve the above-mentioned deficiency existing for prior art, there is provided one kind utilizes image recognition technique
Detection piston displacement, it is ensured that sealing, it is to avoid lubricating oil influences the piston accumulator of Detection results.
The utility model is realized to solve above-mentioned technical problem using following technical scheme：
A kind of utilization image recognition technique detects the piston accumulator of piston displacement, including cylinder body, gas port end cap, work
Plug, hydraulic fluid port end cap.The cylinder body, gas port end cap, piston form air cavity；The cylinder body, piston, hydraulic fluid port end cap form oil pocket.Institute
Stating gas port end cap includes inflation valve module, image recognition component, end cap protective cover, pallet.The image recognition component is located at institute
State gas port end cap radial direction center.The end cap protective cover passes through covered with inflation valve module and the image recognition component
Screw is fixed on the gas port end cap end face outside, to protect inflation valve module and the image recognition component.The support
Disk is installed on the gas port end cap air cavity side end face by screw, on the one hand strengthens the optical lens group steadiness, the opposing party
Face is easy to set seal, strengthens sealing.
The image recognition component includes image capturing processing assembly, optical lens group, flash of light mirror, communication cable.It is described
Optical lens group is neighbouring to be provided with several flash of light mirrors, and the flash of light mirror provides uniform illumination for air cavity shooting.The light
Learn lens group and be installed on the gas port end cap inner face, and slightly stretch out the tray center hole, in air cavity.The flash of light mirror is worn
The gas port end cap and the pallet are crossed, the pallet air cavity side end face is installed on, in air cavity.
Labyrinth seal and O-ring seal A, the high pressure in air cavity are provided between the optical lens group and the gas port end cap
Gas first depressurizes step by step through the labyrinth seal, then is sealed with the O-ring seal A, it is ensured that the optical lens group and described
Sealing between gas port end cap.
Soft rubber pad is provided between the optical lens group and the pallet, the optical lens group is both consolidated, again will not
The optical lens group stress crushing, plays cushioning effect.
O-ring seal B is provided between the flash of light mirror and the gas port end cap.Because the flash of light mirror small volume, small
Type element is sealed using O-ring seal, can ensure that its sealing.
The air cavity side end face coating black glue of the piston, forms donut, and the shooting as the optical lens group is right
As.
The piston air cavity side end face lower section is formed around several oleophobic through holes, for dredging stream lubricating oil.When the work
When plug is up moved, guide ring or sealing ring on the piston easily draw poly- lubricating oil, accumulate in the piston air cavity side
Face, influence detection shooting.The oleophobic through hole is exactly that the guide ring on the piston or sealing are irised wipe into poly- lubricating oil, also
It is less than during up to the piston air cavity side end face, is just dredged by the oleophobic through hole and flow to piston centre space.Lubricating oil in air cavity
Amount is few, will not typically influence miscellaneous part to work.
The course of work：With the movement of the piston, the donut image of the optical lens group intake occurs
Respective change.Through the image capturing processing modules process, by the piston movable signal through the communication cable transmission to electricity
The imaging terminals such as brain.
The utility model has an advantageous effect in that：Can obtain in real time piston accumulator internal piston displacement, immediately
The information such as speed and instantaneous acceleration；Sealing is not influenceed because installing measurement displacement component additional；The standard of information is can ensure that simultaneously
True property, realizes piston accumulator on-line monitoring function.
Brief description of the drawings
Fig. 1 is the utility model：A kind of piston accumulator assembling of utilization image recognition technique detection piston displacement is shown
It is intended to.
Fig. 2 is the utility model：A kind of utilization image recognition technique detects the piston accumulator gas port end of piston displacement
Lid assembling section enlarged diagram.
Fig. 3 is the utility model：A kind of piston accumulator piston A of utilization image recognition technique detection piston displacement to
View.
Description of symbols in figure：1st, cylinder body；2nd, gas port end cap；3rd, piston；4th, hydraulic fluid port end cap；21st, image recognition component；22、
End cap protective cover；23rd, valve module is inflated；24th, pallet；25th, O-ring seal B；31st, donut；32nd, oleophobic through hole；211st, shadow
As catching processing assembly；212nd, communication cable；213rd, glisten mirror；214th, optical lens group；241st, labyrinth seal；242nd, soft rubber
Pad；243rd, O-ring seal A.
Specific embodiment
In order that technological means, character of innovation, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Shown in reference picture 1, Fig. 2, Fig. 3, a kind of utilization image recognition technique detects the piston accumulator of piston displacement, bag
Include cylinder body (1), gas port end cap (2), piston (3), hydraulic fluid port end cap (4).The cylinder body (1), gas port end cap (2), piston (3) are formed
Air cavity；The cylinder body (1), piston (3), hydraulic fluid port end cap (4) form oil pocket.The gas port end cap (2) includes inflation valve module
(23), image recognition component (21), end cap protective cover (22), pallet (24).The image recognition component (21) is positioned at gas port end
Lid (2) radial center.The covered inflation valve module (23) of the end cap protective cover (22) and image recognition component (21), and by spiral shell
Nail is fixed on gas port end cap (2) end face outside, to protect inflation valve module (23) and image recognition component (21).The pallet
(24) gas port end cap (2) air cavity side end face is installed on by screw, on the one hand strengthens optical lens group (214) steadiness, it is another
Aspect is easy to set seal, strengthens sealing.
The image recognition component (21) includes image capturing processing assembly (211), optical lens group (214), flash of light mirror
(213), communication cable (212).The optical lens group (214) is neighbouring to be provided with several flashes of light mirror (213), flash of light mirror (213)
For air cavity shooting provides uniform illumination.The optical lens group (214) is installed on gas port end cap (2) inner face, and slightly
The pallet (24) centre bore is stretched out, in air cavity.Flash of light mirror (213) is installed through gas port end cap (2) and pallet (24)
In pallet (24) air cavity side end face, in air cavity.
Labyrinth seal (241) and O-ring seal A are provided between the optical lens group (214) and gas port end cap (2)
(243), the gases at high pressure in air cavity first depressurize step by step through labyrinth seal (241), then are sealed with O-ring seal A (243), it is ensured that
Sealing between optical lens group (214) and gas port end cap (2).
Soft rubber pad (242) is provided between the optical lens group (214) and pallet (24), optical lens group is both consolidated
(214), again will not the crushing of optical lens group (214) stress, a cushioning effect.
O-ring seal B (25) is provided between flash of light mirror (213) and gas port end cap (2).Because flash of light mirror (213) body
Product is smaller, and miniaturized component is sealed using O-ring seal, can ensure that its sealing.
The air cavity side end face coating black glue of the piston (3), forms donut (31), as optical lens group (214)
Shooting object.
Piston (3) the air cavity side end face lower section is formed around several oleophobic through holes (32), for dredging stream lubricating oil.When
When piston (3) is up moved, guide ring or sealing ring on piston (3) easily draw poly- lubricating oil, accumulate in piston (3) air cavity side
End face, influence detection shooting.Oleophobic through hole (32) is exactly that the guide ring on piston (3) or sealing are irised wipe into poly- lubricating oil,
When having not arrived piston (3) air cavity side end face, just dredged by oleophobic through hole (32) and flow to piston (3) central space.Profit in air cavity
Lubricating oil amount is few, will not typically influence miscellaneous part to work.
Specific implementation process is：With the movement of piston (3), donut (31) figure of optical lens group (214) intake
As there is respective change.Processed through image capturing processing assembly (211), piston (3) movable signal is passed through communication cable (212)
It is defeated to imaging terminals such as computers.
General principle of the present utility model and principal character, and advantage of the present utility model has been shown and described above.This
The technical staff of industry is retouched in above-described embodiment and specification it should be appreciated that the utility model is not restricted to the described embodiments
That states simply illustrates principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model
Various changes and modifications are also had, these changes and improvements are both fallen within the range of claimed the utility model.This practicality is new
The claimed scope of type is by appending claims and its equivalent thereof.
Claims (4)
1. a kind of utilization image recognition technique detects the piston accumulator of piston displacement, including cylinder body (1), gas port end cap (2),
Piston (3), hydraulic fluid port end cap (4), the cylinder body (1), gas port end cap (2), piston (3) form air cavity, the cylinder body (1), piston
(3), hydraulic fluid port end cap (4) forms oil pocket, it is characterised in that：The gas port end cap (2) includes inflation valve module (23), image recognition
Component (21), end cap protective cover (22), pallet (24), the image recognition component (21) is positioned at gas port end cap (2) radial center；
The end cap protective cover (22) is fixed on gas port end covered with inflation valve module (23) and image recognition component (21) by screw
Lid (2) end face outside；The pallet (24) is installed on gas port end cap (2) air cavity side end face by screw.
2. a kind of utilization image recognition technique according to claim 1 detects the piston accumulator of piston displacement, and it is special
Levy and be：The image recognition component (21) includes image capturing processing assembly (211), optical lens group (214), flash of light mirror
(213), communication cable (212), the optical lens group (214) is neighbouring to be provided with several flashes of light mirror (213)；The optical lens
Group (214) is installed on gas port end cap (2) inner face, and slightly stretches out the pallet (24) centre bore, in air cavity；The sudden strain of a muscle
Light microscopic (213) is installed on pallet (24) air cavity side end face, in air cavity through gas port end cap (2) and pallet (24).
3. a kind of utilization image recognition technique according to claim 2 detects the piston accumulator of piston displacement, and it is special
Levy and be：Labyrinth seal (241) and O-ring seal A are provided between the optical lens group (214) and gas port end cap (2)
(243)；Soft rubber pad (242) is provided between the optical lens group (214) and pallet (24)；Flash of light mirror (213) and gas
O-ring seal B (25) is provided between mouth end cap (2).
4. a kind of utilization image recognition technique according to claim 1 detects the piston accumulator of piston displacement, and it is special
Levy and be：The air cavity side end face coating black glue of the piston (3), forms donut (31)；Piston (3) the air cavity side end face
Lower section is formed around several oleophobic through holes (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621190328.5U CN206280313U (en) | 2016-11-01 | 2016-11-01 | A kind of utilization image recognition technique detects the piston accumulator of piston displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621190328.5U CN206280313U (en) | 2016-11-01 | 2016-11-01 | A kind of utilization image recognition technique detects the piston accumulator of piston displacement |
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| Publication Number | Publication Date |
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| CN206280313U true CN206280313U (en) | 2017-06-27 |
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|---|---|---|---|
| CN201621190328.5U Expired - Fee Related CN206280313U (en) | 2016-11-01 | 2016-11-01 | A kind of utilization image recognition technique detects the piston accumulator of piston displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194455A (en) * | 2017-12-29 | 2018-06-22 | 中北大学 | A kind of measuring device of accumulator working condition |
-
2016
- 2016-11-01 CN CN201621190328.5U patent/CN206280313U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194455A (en) * | 2017-12-29 | 2018-06-22 | 中北大学 | A kind of measuring device of accumulator working condition |
| CN108194455B (en) * | 2017-12-29 | 2019-10-29 | 中北大学 | A kind of measuring device of accumulator working condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: ZTE East Xikou town Fenghua District Zhejiang city of Ningbo province No. 6 315000 Patentee after: Ningbo Asahi Hydraulic Co., Ltd. Address before: ZTE road Xikou Fenghua 315502 Zhejiang Province, Ningbo City No. 6 Patentee before: Fenghua Chaori Hydraulic Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20181101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |