CN106050820B - A kind of silk-screen detecting system of solar cell - Google Patents
A kind of silk-screen detecting system of solar cell Download PDFInfo
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- CN106050820B CN106050820B CN201610676058.7A CN201610676058A CN106050820B CN 106050820 B CN106050820 B CN 106050820B CN 201610676058 A CN201610676058 A CN 201610676058A CN 106050820 B CN106050820 B CN 106050820B
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- cylinder barrel
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- cylinder
- pad
- hydraulic oil
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1485—Special measures for cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of silk-screen detecting systems of solar cell, including cylinder barrel, cylinder cap, cylinder barrel side is provided with the first oil pipe and the second oil pipe, piston is provided in cylinder barrel, guide sleeve, piston rod is fixed in piston, one end activity of piston rod towards cylinder cap runs through guide sleeve, cylinder cap, and export head has been bolted it, it is provided with resistance heating wire in barrel in the cylinder barrel, the insulating layer to match is cased on the outside of cylinder barrel, the piston both ends are both provided with annular piston pad, the outer diameter of annular piston pad is equal to the internal diameter of cylinder barrel, the internal diameter of the annular piston pad gradually increases along the both ends of piston to cylinder barrel.The present invention is by being arranged annular piston pad, in low temperature environment, cause the active force for acting on piston small even if the phenomenon that flow velocity is slow, partially solidified occurs in hydraulic oil, hydraulic oil pump can also allow that so that the present apparatus is worked normally under the premise of not increasing excessive power consumption, providing stronger output pressure.
Description
Technical field
The present invention relates to a kind of hydraulic cylinders, and in particular to a kind of silk-screen detecting system of solar cell.
Background technology
Solar energy refers to the infrared radiant energy of the sun, is a kind of renewable resource, have measure it is big, harmless, generally etc. many excellent
Point.The history of human use's solar energy can trace back to ancient times people using sunshine article, making food etc..And now people
Demand to solar energy has no longer been merely to utilize the thermal energy of the sun.1615, French engineer's Cox invented the world
The engine of upper First Driven by Solar Energy opens the utilization history of modern age solar energy.
Solar panel refers to turning solar radiant energy by the way that photoelectric effect or photochemical effect are direct or indirect
Change the device of electric energy into.Solar panel is primarily now applied to traffic, communication, oil drilling platform, street lamp, photovoltaic electric
The numerous areas such as stand, other than above-mentioned field, solar panel be also used in remote segment areas without electricity such as plateau,
The place such as pastoral area or frontier sentry is the household electricity that the army and the people provide.
When applied to outlying areas without electricity, due to the impermanence of some areas Changes in weather, it is susceptible to hail, in order to avoid
Hail causes to damage to solar cell plate surface, the executive component that people pass through hydraulic system --- and hydraulic cylinder controls solar energy
The deflection direction of solar panel falls the incidence angle on solar panel to change hail, mitigates hail to solar cell
The collision dynamics of plate.But in the case where ambient air temperature is low, hydraulic oil viscosity increases, or even the solidification of section hydraulic oil occurs
The phenomenon that, cause hydraulic cylinder charge oil pressure to reduce, the power consumption of hydraulic oil pump, which has to be larger than nominal situation several times, could maintain hydraulic pressure
Normal direction of rotation of the cylinder to solar panel, this is very big to the loss of hydraulic oil pump.
Invention content
The technical problem to be solved by the present invention is to the defect for conventional cylinder, and it is an object of the present invention to provide a kind of solar energy
The silk-screen detecting system of battery, solve conventional cylinder maintain normal fuel injection in low temperature environment and caused by power consumption it is big
Problem.
The present invention is achieved through the following technical solutions：A kind of silk-screen detecting system of solar cell, including one end open
Cylinder barrel and with the bolted cylinder cap in open end, the cylinder barrel side is provided with the first oil pipe and the second oil pipe, in cylinder barrel
It is provided with piston, guide sleeve, piston rod is fixed in the piston, one end activity of the piston rod towards cylinder cap, which runs through, to be oriented to
Set and has been bolted export head at cylinder cap, and resistance heating wire, the outside of the cylinder barrel are provided in the barrel in the cylinder barrel
It is cased with the insulating layer to match, the piston both ends are both provided with annular piston pad, and the outer diameter of the annular piston pad is equal to cylinder
The internal diameter of cylinder, the internal diameter of the annular piston pad gradually increase along the both ends of piston to cylinder barrel.
A kind of silk-screen detecting system of solar cell, including the cylinder barrel of one end open and be bolted with open end
Cylinder cap, the cylinder barrel side is provided with the first oil pipe and the second oil pipe, piston, guide sleeve, the piston is provided in cylinder barrel
In be fixed with piston rod, one end activity of the piston rod towards cylinder cap through guide sleeve, cylinder cap and has been bolted output
Head, the piston both ends are both provided with annular piston pad, and the outer diameter of the annular piston pad is equal to the internal diameter of cylinder barrel, the annular
The internal diameter of piston pad gradually increases along the both ends of piston to cylinder barrel.
In part cold district, low temperature causes the hydraulic oil viscosity in hydraulic oil pump to increase, and adding can in hydraulic oil
Can there can be water so that even can form solid in hydraulic oil, above-mentioned two situations all reduce the mobility of hydraulic oil so that
Hydraulic pressure oil flow rate is slow.When the pressure that hydraulic oil pump is exported under normal operating mode makes hydraulic oil to piston effect, hydraulic pressure
Oily slug flow speed, weak force are not enough to push piston proper motion, so that the output end operation irregularity of hydraulic cylinder, even
It can not work.
To solve the above-mentioned problems, double acting list of the hydraulic oil to piston effect power can be increased the present invention provides a kind of
Hydraulic piston rod cylinder.
The present apparatus has cylinder barrel, the first oil pipe, the second oil pipe, piston, piston rod, guide sleeve, cylinder cap and export head, these
Device is all that traditional two-action single-rod hydraulic cylinder has.Unlike traditional hydraulic cylinder, the present apparatus is in work
The both ends of plug are both provided with annular piston pad.The shape of annular piston pad is a cylinder for offering through-hole, and piston rod is slided
It is dynamic that by the through-hole, the outer diameter of cylinder is equal to the internal diameter of cylinder barrel, and the diameter of the internal diameter of cylinder, i.e. through-hole is variation,
Along from the one end being fixed on piston, to one end far from piston, the diameter of through-hole is gradually increased.Preferably, through-hole position
Diameter in that end on piston is equal to the diameter of piston rod, and the diameter of one end far from piston is equal to the internal diameter of cylinder barrel.It is above-mentioned
Through-hole diameter gradually to increase at least include two kinds of situations, the first situation is that through-hole is cone, from being parallel in cylinder barrel
It is seen on the section of axis, through-hole is isosceles trapezoid；In the second situation, from the section for being parallel to cylinder barrel central axes, through-hole
For hemisphere.
When hydraulic oil is close to piston, along piston to the direction at cylinder barrel both ends, hydraulic oil is divided into several sections.Wherein first
Section and piston contact push piston motion, and second segment is by the promotion of third section to push first segment, and first segment is by piston
Reaction force while also to second segment transmit a reaction force.Traditional hydraulic cylinder, only the piston with cylinder, round
The piston both ends of cylinder and the contact surface of hydraulic oil are plane.When first segment hydraulic oil acts perpendicularly to piston, it is subject to
Reaction force is vertically second segment hydraulic oil, correspondingly, second segment hydraulic oil vertically reacts on third section hydraulic oil,
And so on.Allow in this way third section hydraulic oil need provide bigger power can just overcome second segment hydraulic oil to reaction
Power.It can be obtained by foregoing description, for the piston that contact surface is plane, hydraulic oil pump is needed when providing output pressure
So that the reaction force that hydraulic oil overcomes piston vertical can push piston to be moved in cylinder barrel.Improved hydraulic cylinder is then in work
Annular piston pad is increased beyond the Great Wall, when first segment hydraulic oil acts perpendicularly on the side wall of the through-hole of annular piston pad, annular
Piston pad is no longer perpendicular to first segment hydraulic oil to the reaction force of first segment hydraulic oil, and is perpendicular to the method for side wall curved surface
Line, and this power edge is parallel to the axial component of cylinder barrel certainly less than resultant force, institute perpendicular to the direction of first segment hydraulic oil
The reaction force that piston sends first segment hydraulic oil to is significantly reduced with annular piston pad so that hydraulic oil pump is same
When output pressure, the reaction force that piston is given reduces, and piston is easier to move in cylinder barrel；Moreover, when annular piston pad
It acts on and is parallel to the component of cylinder barrel radial direction to longitudinal component of the reaction force of first segment hydraulic oil and makes first segment hydraulic oil
Squeezed to the central axes of through-hole, the effect generated in this way is, along annular piston pad through-hole wall surface to through-hole central axes direction,
Hydraulic oil acts on the power on annular piston pad and gradually increases from edge to intermediate, since contact area is gradually reduced, central axes
The hydraulic oil at place also increases the pressure of annular piston pad therewith so that movement of the piston in cylinder barrel is more prone to.
In conclusion by annular piston pad, reaction force direction of the piston to hydraulic oil is changed, to reduce liquid
Pressure oil pump output terminal needs the reaction force from piston overcome so that movement of the piston in cylinder barrel is more smooth, effectively
Ground reduces the output power consumption of hydraulic oil pump.In low temperature environment, even if there is the phenomenon that flow velocity is slow, partially solidified and leads in hydraulic oil
It causes the active force for acting on piston small, hydraulic oil pump can also allow that not increase excessive power consumption, providing stronger output pressure
Under the premise of so that the present apparatus is worked normally.
The mobility of hydraulic oil in order to further increase so that hydraulic oil can in cylinder barrel proper flow, to not
Piston rod normal movement in cylinder barrel is driven under the premise of increasing hydraulic oil pump extra power consumption, electricity is provided in the barrel of cylinder barrel
Hinder heater strip.Resistance heating wire is the prior art, applies in the numerous areas such as such as automotive rear windshields, electric furnace, is powered
After will produce heat, for heating object.By being powered to resistance heating wire so that resistance heating wire generates heat, and heat is logical
The inner wall for crossing cylinder barrel passes to hydraulic oil in cylinder barrel, and after hydraulic fluid temperature increases, viscosity reduces, it is wherein included on a small quantity due to
Low temperature and the solid that condenses also correspondingly is fused into liquid, ensure that the mobility of hydraulic oil.Meanwhile it being arranged on the outside of cylinder barrel
There are insulating layer, the outside for being attached to cylinder barrel of insulating layer tightly.The effect of insulating layer is to completely cut off cylinder barrel and extraneous temperature, make by
The heat that resistance heating wire generates can heat cylinder barrel well, to transfer heat to the hydraulic oil in cylinder barrel.Insulating layer
Material phenolic foam can be used.Phenolic foam is referred to as the emerging thermal insulation material of the third generation, with good guarantor
Temp effect can reduce the heat loss of cylinder barrel, improve the heating effect of resistance heating wire.
Further, resistance heating wire extends to the open end of cylinder barrel, and resistance heating filament winding cylinder from the blind end of cylinder barrel
The central axes rotation of cylinder.It is found by practice, by the way that resistance heating filament winding cylinder barrel central axes are spiraled setting, while resistance heating
Silk extends to open end from the blind end of cylinder barrel so that under the premise of cylinder barrel can be sufficiently heated, the resistance heating wire used is more
It is few, because setting can more uniformly heat cylinder barrel in this way, it not will produce the phenomenon that amount of localized heat is high or amount of localized heat is low.
Further, the central axes of cylinder barrel, piston rod, piston and annular piston pad overlap.Setting can make in this way
Being more uniformly stressed for piston is obtained, while piston rod will not lead to fracture in output there is a situation where making power due to bias.
Further, the cushion pad positioned at cylinder barrel blind end is provided in inner wall of cylinder.Due in installation solar cell
When plate, the open end of cylinder barrel is directed towards top, thus the second oil pipe drawing liquid pressure oil walk and the first oil pipe when into hydraulic oil,
Due to gravity, piston is easier to slide to the blind end of cylinder barrel, is hit so as to cause piston, piston rod or annular piston pad
The blind end of cylinder barrel not only results in blind end and is damaged, while the solar panel backboard that can also cause export head to be connected
It is impaired to result even in the device connected in export head for shake when serious.After cylinder barrel blind end is provided with cushion pad, then it can keep away
Exempt from the above situation, it is preferred that the material of cushion pad uses nitrile rubber, and nitrile rubber has the characteristics that wear-resisting, heat-resisting, and has
Certain deformability, can be to generating bounce.Preferably, the one end of piston rod towards cylinder barrel blind end is through piston
Afterwards, extend one end distance to blind end so that the end face of piston rod is in contact with cushion pad.
Further, it is provided with pin hole in export head.It can be provided with pin hole in export head, sold by being inserted into pin hole
Export head is fixed together by axis with the device lifted is needed.
Further, it is provided with external screw thread in export head.External screw thread can be set in export head, by export head with need to rise
The device of drop is connected through a screw thread.
Compared with prior art, the present invention having the following advantages and advantages：
1, the present invention changes reaction force direction of the piston to hydraulic oil, to reduce liquid by annular piston pad
Pressure oil pump output terminal needs the reaction force from piston overcome so that movement of the piston in cylinder barrel is more smooth, effectively
Ground reduces the output power consumption of hydraulic oil pump；In low temperature environment, even if there is the phenomenon that flow velocity is slow, partially solidified and leads in hydraulic oil
It causes the active force for acting on piston small, hydraulic oil pump can also allow that not increase excessive power consumption, providing stronger output pressure
Under the premise of so that the present apparatus is worked normally；
2, the present invention is provided with resistance heating wire in the barrel of cylinder barrel, and insulating layer is equipped in cylinder barrel outer sheath.By right
Resistance heating wire is powered so that resistance heating wire generates heat, and heat is passed to by the inner wall of cylinder barrel in cylinder barrel
Hydraulic oil, after hydraulic fluid temperature increases, viscosity reduces, and the solid wherein included condensed on a small quantity due to low temperature is also correspondingly melted
Be melted into liquid, ensure that the mobility of hydraulic oil, meanwhile, the outside for being attached to cylinder barrel of insulating layer tightly, isolation cylinder barrel with it is outer
The temperature on boundary enables the heat generated by resistance heating wire to heat cylinder barrel well, and heat will not outwardly Cryogenic air
It transmits；
3, the present invention cushion pad positioned at cylinder barrel blind end is provided in inner wall of cylinder, avoid piston, piston rod or
Annular piston pad hits the blind end of cylinder barrel, the solar energy for being damaged to blind end, while export head also being caused to be connected
Solar panel backboard is shaken, and it is impaired that the device connected in export head is resulted even in when serious.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.
Label and corresponding parts title in attached drawing：
1- cylinder barrels, the first oil pipes of 2-, the second oil pipes of 3-, 4- piston rods, 5- pistons, 6- cushion pads, 7- guide sleeves, 8- outputs
Head, 9- cylinder caps, 10- annular piston pads, 11- resistance heating wires, 12- insulating layers.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figure 1, the present invention be a kind of solar cell silk-screen detecting system, including the cylinder barrel 1 of one end open, with
And with the bolted cylinder cap 9 in open end, 1 side of cylinder barrel is provided with the first oil pipe 2 and the second oil pipe 3, work is provided in cylinder barrel 1
Plug 5, guide sleeve 7, are fixed with piston rod 4 in piston 5, piston rod 4 towards cylinder cap 9 one end activity through guide sleeve 7, cylinder cap 9,
And it has been bolted export head 8, it is provided with resistance heating wire 11 in the barrel in cylinder barrel 1, the outside of cylinder barrel 1, which is cased with, to match
Insulating layer 12,5 both ends of piston are both provided with annular piston pad 10, and the outer diameter of annular piston pad 10 is equal to the internal diameter of cylinder barrel 1, annular
The internal diameter of piston pad 10 gradually increases along piston 5 to the both ends of cylinder barrel 1.Resistance heating wire 11 extends to from the blind end of cylinder barrel 1
The open end of cylinder barrel 1, and resistance heating wire 11 rotates around the central axes of cylinder barrel 1.Cylinder barrel 1, piston rod 4, piston 5 and annular piston
The central axes of pad 10 overlap.The cushion pad 6 positioned at 1 blind end of cylinder barrel is provided on 1 inner wall of cylinder barrel.It is arranged in export head 8
There is pin hole.
When using the present apparatus, the blind end of cylinder barrel 1 is fixed on the pedestal of solar panel, by export head 8
Pin hole and solar panel backboard on pin control connected by axis pin, opening resistor heater strip 11, open hydraulic oil pump
It controls hydraulic oil and passes in and out cylinder barrel 1.When needing the direction to solar panel to be adjusted, that is, need mobile piston 5 in cylinder barrel 1
When interior position, hydraulic oil enters from the first oil pipe 2 and the second oil pipe 3 in cylinder barrel 1.When needing to move the piston up 5, liquid
Pressure oil enters from the second oil pipe 3, while being flowed out from the first oil pipe 2；When needing to move down piston 5, hydraulic oil is from
Enter in one oil pipe 2, is flowed out from third oil pipe 3.Flowing in and out for hydraulic oil is controlled by hydraulic oil pump.
Embodiment 2
As shown in Fig. 2, on the basis of embodiment 1, external screw thread is provided in export head 8, be connected through a screw thread need by
The device of hydraulic power output, operating method and identical, the external screw thread setting permission sheet in export head 8 described in embodiment 1
The range that device can be applied is more extensive, more flexible in practical application.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (4)
1. a kind of silk-screen detecting system of solar cell, including the cylinder barrel (1) of one end open and it is bolted with open end
Cylinder cap (9), cylinder barrel (1) side is provided with the first oil pipe (2) and the second oil pipe (3), piston is provided in cylinder barrel (1)
(5), guide sleeve (7) are fixed with piston rod (4), one end activity of the piston rod (4) towards cylinder cap (9) in the piston (5)
Through guide sleeve (7), cylinder cap (9) and export head (8) has been bolted it, which is characterized in that in the barrel in the cylinder barrel (1)
It is provided with resistance heating wire (11), the insulating layer (12) to match, piston (5) both ends are cased on the outside of the cylinder barrel (1)
It is both provided with annular piston pad (10), the outer diameter of the annular piston pad (10) is equal to the internal diameter of cylinder barrel (1), the annular piston
The internal diameter of pad (10) gradually increases along the both ends of piston (5) to cylinder barrel (1), and the through-hole of annular piston pad (10) is hemisphere；Institute
The open end that resistance heating wire (11) extends to cylinder barrel (1) from the blind end of cylinder barrel (1) is stated, and resistance heating wire (11) is around cylinder barrel
(1) central axes rotation；The cushion pad (6) positioned at cylinder barrel (1) blind end is provided on cylinder barrel (1) inner wall.
2. a kind of silk-screen detecting system of solar cell according to claim 1, which is characterized in that the cylinder barrel (1),
The central axes of piston rod (4), piston (5) and annular piston pad (10) overlap.
3. a kind of silk-screen detecting system of solar cell according to claim 1, which is characterized in that the export head
(8) pin hole is provided on.
4. a kind of silk-screen detecting system of solar cell according to claim 1, which is characterized in that the export head
(8) external screw thread is provided on.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676058.7A CN106050820B (en) | 2016-08-17 | 2016-08-17 | A kind of silk-screen detecting system of solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676058.7A CN106050820B (en) | 2016-08-17 | 2016-08-17 | A kind of silk-screen detecting system of solar cell |
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| CN106050820A CN106050820A (en) | 2016-10-26 |
| CN106050820B true CN106050820B (en) | 2018-11-13 |
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| CN108331800B (en) * | 2018-04-13 | 2023-12-26 | 汉德森环保科技发展(天津)有限公司 | Full-sealing piston-free pressure cylinder and use method thereof |
| CN110285113B (en) * | 2019-07-31 | 2020-10-30 | 浙江荣力重工有限公司 | Hydraulic oil cylinder |
| CN110925264A (en) * | 2019-11-28 | 2020-03-27 | 江苏江永新材料科技有限公司 | Double-buffering low-noise air cylinder |
| CN116292533B (en) * | 2023-05-16 | 2023-08-04 | 泸州合成液压件有限公司 | Antifreezing hydraulic cylinder |
| CN117345729A (en) * | 2023-12-04 | 2024-01-05 | 四川力能超高压设备有限公司 | Cylinder body and warm isostatic pressing machine |
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| CN104235116A (en) * | 2013-06-08 | 2014-12-24 | 天津宇春液压机械科技有限公司 | Hydraulic cylinder with buffering function |
| CN203809411U (en) * | 2014-04-29 | 2014-09-03 | 哈尔滨通用液压机械制造有限公司 | Electric heating hydraulic oil cylinder used in low-temperature environment |
| CN204127015U (en) * | 2014-09-15 | 2015-01-28 | 常州力安液压设备有限公司 | From cooling oil cylinder |
| CN204155907U (en) * | 2014-11-06 | 2015-02-11 | 天威新能源控股有限公司 | A kind of solar battery sheet silk-screen checkout gear |
| CN105179377A (en) * | 2015-09-21 | 2015-12-23 | 济南大学 | Hydraulic cylinder piston sealing device with deformation preventing and leaked oil storing functions |
| CN205101313U (en) * | 2015-10-30 | 2016-03-23 | 南京汽车集团有限公司 | Cylinder operating temperature's protection device |
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| CN106050820A (en) | 2016-10-26 |
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Effective date of registration: 20210727 Address after: 239300 Jingliu road and Weisan Road, Tianchang Economic Development Zone, Chuzhou City, Anhui Province Patentee after: ANHUI YING FA RUINENG TECHNOLOGY Co.,Ltd. Address before: 610000 1 Print-Rite Road, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu, Sichuan Patentee before: SICHUAN YINGFA SOLAR ENERGY TECHNOLOGY Co.,Ltd. |